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<a href="bignum_8c.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">/*</span></div>
<div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment"> * Multi-precision integer library</span></div>
<div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment"> * Copyright (C) 2006-2014, Brainspark B.V.</span></div>
<div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment"> * This file is part of PolarSSL (http://www.polarssl.org)</span></div>
<div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment"> * Lead Maintainer: Paul Bakker <polarssl_maintainer at polarssl.org></span></div>
<div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment"> * All rights reserved.</span></div>
<div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment"> * This program is free software; you can redistribute it and/or modify</span></div>
<div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment"> * it under the terms of the GNU General Public License as published by</span></div>
<div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment"> * the Free Software Foundation; either version 2 of the License, or</span></div>
<div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment"> * (at your option) any later version.</span></div>
<div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="comment"> * This program is distributed in the hope that it will be useful,</span></div>
<div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="comment"> * but WITHOUT ANY WARRANTY; without even the implied warranty of</span></div>
<div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="comment"> * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the</span></div>
<div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="comment"> * GNU General Public License for more details.</span></div>
<div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="comment"> * You should have received a copy of the GNU General Public License along</span></div>
<div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="comment"> * with this program; if not, write to the Free Software Foundation, Inc.,</span></div>
<div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="comment"> * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.</span></div>
<div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="comment">/*</span></div>
<div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="comment"> * This MPI implementation is based on:</span></div>
<div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="comment"> * http://www.cacr.math.uwaterloo.ca/hac/about/chap14.pdf</span></div>
<div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="comment"> * http://www.stillhq.com/extracted/gnupg-api/mpi/</span></div>
<div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="comment"> * http://math.libtomcrypt.com/files/tommath.pdf</span></div>
<div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00032"></a><span class="lineno"> 32</span> </div>
<div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="preprocessor">#if !defined(POLARSSL_CONFIG_FILE)</span></div>
<div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <span class="preprocessor"></span><span class="preprocessor">#include "<a class="code" href="config_8h.html">polarssl/config.h</a>"</span></div>
<div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="preprocessor">#else</span></div>
<div class="line"><a name="l00036"></a><span class="lineno"> 36</span> <span class="preprocessor"></span><span class="preprocessor">#include POLARSSL_CONFIG_FILE</span></div>
<div class="line"><a name="l00037"></a><span class="lineno"> 37</span> <span class="preprocessor"></span><span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00038"></a><span class="lineno"> 38</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00039"></a><span class="lineno"> 39</span> <span class="preprocessor">#if defined(POLARSSL_BIGNUM_C)</span></div>
<div class="line"><a name="l00040"></a><span class="lineno"> 40</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00041"></a><span class="lineno"> 41</span> <span class="preprocessor">#include "<a class="code" href="bignum_8h.html">polarssl/bignum.h</a>"</span></div>
<div class="line"><a name="l00042"></a><span class="lineno"> 42</span> <span class="preprocessor">#include "<a class="code" href="bn__mul_8h.html">polarssl/bn_mul.h</a>"</span></div>
<div class="line"><a name="l00043"></a><span class="lineno"> 43</span> </div>
<div class="line"><a name="l00044"></a><span class="lineno"> 44</span> <span class="preprocessor">#if defined(POLARSSL_PLATFORM_C)</span></div>
<div class="line"><a name="l00045"></a><span class="lineno"> 45</span> <span class="preprocessor"></span><span class="preprocessor">#include "<a class="code" href="platform_8h.html">polarssl/platform.h</a>"</span></div>
<div class="line"><a name="l00046"></a><span class="lineno"> 46</span> <span class="preprocessor">#else</span></div>
<div class="line"><a name="l00047"></a><span class="lineno"> 47</span> <span class="preprocessor"></span><span class="preprocessor">#define polarssl_printf printf</span></div>
<div class="line"><a name="l00048"></a><span class="lineno"> 48</span> <span class="preprocessor"></span><span class="preprocessor">#define polarssl_malloc malloc</span></div>
<div class="line"><a name="l00049"></a><span class="lineno"> 49</span> <span class="preprocessor"></span><span class="preprocessor">#define polarssl_free free</span></div>
<div class="line"><a name="l00050"></a><span class="lineno"> 50</span> <span class="preprocessor"></span><span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00051"></a><span class="lineno"> 51</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00052"></a><span class="lineno"> 52</span> <span class="preprocessor">#include <stdlib.h></span></div>
<div class="line"><a name="l00053"></a><span class="lineno"> 53</span> </div>
<div class="line"><a name="l00054"></a><span class="lineno"> 54</span> <span class="comment">/* Implementation that should never be optimized out by the compiler */</span></div>
<div class="line"><a name="l00055"></a><span class="lineno"> 55</span> <span class="keyword">static</span> <span class="keywordtype">void</span> polarssl_zeroize( <span class="keywordtype">void</span> *v, <span class="keywordtype">size_t</span> n ) {</div>
<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  <span class="keyword">volatile</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *p = v; <span class="keywordflow">while</span>( n-- ) *p++ = 0;</div>
<div class="line"><a name="l00057"></a><span class="lineno"> 57</span> }</div>
<div class="line"><a name="l00058"></a><span class="lineno"> 58</span> </div>
<div class="line"><a name="l00059"></a><span class="lineno"> 59</span> <span class="preprocessor">#define ciL (sizeof(t_uint)) </span><span class="comment">/* chars in limb */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00060"></a><span class="lineno"> 60</span> <span class="preprocessor"></span><span class="preprocessor">#define biL (ciL << 3) </span><span class="comment">/* bits in limb */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00061"></a><span class="lineno"> 61</span> <span class="preprocessor"></span><span class="preprocessor">#define biH (ciL << 2) </span><span class="comment">/* half limb size */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00062"></a><span class="lineno"> 62</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00063"></a><span class="lineno"> 63</span> <span class="comment">/*</span></div>
<div class="line"><a name="l00064"></a><span class="lineno"> 64</span> <span class="comment"> * Convert between bits/chars and number of limbs</span></div>
<div class="line"><a name="l00065"></a><span class="lineno"> 65</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00066"></a><span class="lineno"> 66</span> <span class="preprocessor">#define BITS_TO_LIMBS(i) (((i) + biL - 1) / biL)</span></div>
<div class="line"><a name="l00067"></a><span class="lineno"> 67</span> <span class="preprocessor"></span><span class="preprocessor">#define CHARS_TO_LIMBS(i) (((i) + ciL - 1) / ciL)</span></div>
<div class="line"><a name="l00068"></a><span class="lineno"> 68</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00069"></a><span class="lineno"> 69</span> <span class="comment">/*</span></div>
<div class="line"><a name="l00070"></a><span class="lineno"> 70</span> <span class="comment"> * Initialize one MPI</span></div>
<div class="line"><a name="l00071"></a><span class="lineno"> 71</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00072"></a><span class="lineno"> 72</span> <span class="keywordtype">void</span> <a class="code" href="bignum_8h.html#a201666869f65225d6535bcc697f95c9b">mpi_init</a>( <a class="code" href="structmpi.html">mpi</a> *X )</div>
<div class="line"><a name="l00073"></a><span class="lineno"> 73</span> {</div>
<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  <span class="keywordflow">if</span>( X == NULL )</div>
<div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  <span class="keywordflow">return</span>;</div>
<div class="line"><a name="l00076"></a><span class="lineno"> 76</span> </div>
<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  X-><a class="code" href="structmpi.html#ad44e921903bdc7fcc1cadad14784a59a">s</a> = 1;</div>
<div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  X-><a class="code" href="structmpi.html#acc8d6d92112b326fcac7c6eff002feb1">n</a> = 0;</div>
<div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  X-><a class="code" href="structmpi.html#aaeeabe339c1cc40d05bdb026666404f8">p</a> = NULL;</div>
<div class="line"><a name="l00080"></a><span class="lineno"> 80</span> }</div>
<div class="line"><a name="l00081"></a><span class="lineno"> 81</span> </div>
<div class="line"><a name="l00082"></a><span class="lineno"> 82</span> <span class="comment">/*</span></div>
<div class="line"><a name="l00083"></a><span class="lineno"> 83</span> <span class="comment"> * Unallocate one MPI</span></div>
<div class="line"><a name="l00084"></a><span class="lineno"> 84</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00085"></a><span class="lineno"> 85</span> <span class="keywordtype">void</span> <a class="code" href="bignum_8h.html#ae1f6507671587755e46bbf0afcae6a8c">mpi_free</a>( <a class="code" href="structmpi.html">mpi</a> *X )</div>
<div class="line"><a name="l00086"></a><span class="lineno"> 86</span> {</div>
<div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  <span class="keywordflow">if</span>( X == NULL )</div>
<div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  <span class="keywordflow">return</span>;</div>
<div class="line"><a name="l00089"></a><span class="lineno"> 89</span> </div>
<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  <span class="keywordflow">if</span>( X-><a class="code" href="structmpi.html#aaeeabe339c1cc40d05bdb026666404f8">p</a> != NULL )</div>
<div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  {</div>
<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  polarssl_zeroize( X-><a class="code" href="structmpi.html#aaeeabe339c1cc40d05bdb026666404f8">p</a>, X-><a class="code" href="structmpi.html#acc8d6d92112b326fcac7c6eff002feb1">n</a> * ciL );</div>
<div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  <a class="code" href="test__suite__aes_8cbc_8c.html#a3c8219c194813f302bf78fe73566cb2d">polarssl_free</a>( X-><a class="code" href="structmpi.html#aaeeabe339c1cc40d05bdb026666404f8">p</a> );</div>
<div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  }</div>
<div class="line"><a name="l00095"></a><span class="lineno"> 95</span> </div>
<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  X-><a class="code" href="structmpi.html#ad44e921903bdc7fcc1cadad14784a59a">s</a> = 1;</div>
<div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  X-><a class="code" href="structmpi.html#acc8d6d92112b326fcac7c6eff002feb1">n</a> = 0;</div>
<div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  X-><a class="code" href="structmpi.html#aaeeabe339c1cc40d05bdb026666404f8">p</a> = NULL;</div>
<div class="line"><a name="l00099"></a><span class="lineno"> 99</span> }</div>
<div class="line"><a name="l00100"></a><span class="lineno"> 100</span> </div>
<div class="line"><a name="l00101"></a><span class="lineno"> 101</span> <span class="comment">/*</span></div>
<div class="line"><a name="l00102"></a><span class="lineno"> 102</span> <span class="comment"> * Enlarge to the specified number of limbs</span></div>
<div class="line"><a name="l00103"></a><span class="lineno"> 103</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00104"></a><span class="lineno"> 104</span> <span class="keywordtype">int</span> <a class="code" href="bignum_8h.html#ac585f00fc9be270de074e8fbfb508d6a">mpi_grow</a>( <a class="code" href="structmpi.html">mpi</a> *X, <span class="keywordtype">size_t</span> nblimbs )</div>
<div class="line"><a name="l00105"></a><span class="lineno"> 105</span> {</div>
<div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  <a class="code" href="bignum_8h.html#ad5d1464f801a0e7d2ed32a8f8dc2ccc9">t_uint</a> *p;</div>
<div class="line"><a name="l00107"></a><span class="lineno"> 107</span> </div>
<div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  <span class="keywordflow">if</span>( nblimbs > <a class="code" href="bignum_8h.html#a8ee0afd7c8a22f13aaa70d3c812e81f7">POLARSSL_MPI_MAX_LIMBS</a> )</div>
<div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  <span class="keywordflow">return</span>( <a class="code" href="bignum_8h.html#ad288a13737d14f102748c3184ed5a494">POLARSSL_ERR_MPI_MALLOC_FAILED</a> );</div>
<div class="line"><a name="l00110"></a><span class="lineno"> 110</span> </div>
<div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  <span class="keywordflow">if</span>( X-><a class="code" href="structmpi.html#acc8d6d92112b326fcac7c6eff002feb1">n</a> < nblimbs )</div>
<div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  {</div>
<div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  <span class="keywordflow">if</span>( ( p = (<a class="code" href="bignum_8h.html#ad5d1464f801a0e7d2ed32a8f8dc2ccc9">t_uint</a> *) <a class="code" href="test__suite__aes_8cbc_8c.html#a2a0cfb9e59f28e2a1a5fd1880fb20d4b">polarssl_malloc</a>( nblimbs * ciL ) ) == NULL )</div>
<div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  <span class="keywordflow">return</span>( <a class="code" href="bignum_8h.html#ad288a13737d14f102748c3184ed5a494">POLARSSL_ERR_MPI_MALLOC_FAILED</a> );</div>
<div class="line"><a name="l00115"></a><span class="lineno"> 115</span> </div>
<div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  memset( p, 0, nblimbs * ciL );</div>
<div class="line"><a name="l00117"></a><span class="lineno"> 117</span> </div>
<div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  <span class="keywordflow">if</span>( X-><a class="code" href="structmpi.html#aaeeabe339c1cc40d05bdb026666404f8">p</a> != NULL )</div>
<div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  {</div>
<div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  memcpy( p, X-><a class="code" href="structmpi.html#aaeeabe339c1cc40d05bdb026666404f8">p</a>, X-><a class="code" href="structmpi.html#acc8d6d92112b326fcac7c6eff002feb1">n</a> * ciL );</div>
<div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  polarssl_zeroize( X-><a class="code" href="structmpi.html#aaeeabe339c1cc40d05bdb026666404f8">p</a>, X-><a class="code" href="structmpi.html#acc8d6d92112b326fcac7c6eff002feb1">n</a> * ciL );</div>
<div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  <a class="code" href="test__suite__aes_8cbc_8c.html#a3c8219c194813f302bf78fe73566cb2d">polarssl_free</a>( X-><a class="code" href="structmpi.html#aaeeabe339c1cc40d05bdb026666404f8">p</a> );</div>
<div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  }</div>
<div class="line"><a name="l00124"></a><span class="lineno"> 124</span> </div>
<div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  X-><a class="code" href="structmpi.html#acc8d6d92112b326fcac7c6eff002feb1">n</a> = nblimbs;</div>
<div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  X-><a class="code" href="structmpi.html#aaeeabe339c1cc40d05bdb026666404f8">p</a> = p;</div>
<div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  }</div>
<div class="line"><a name="l00128"></a><span class="lineno"> 128</span> </div>
<div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  <span class="keywordflow">return</span>( 0 );</div>
<div class="line"><a name="l00130"></a><span class="lineno"> 130</span> }</div>
<div class="line"><a name="l00131"></a><span class="lineno"> 131</span> </div>
<div class="line"><a name="l00132"></a><span class="lineno"> 132</span> <span class="comment">/*</span></div>
<div class="line"><a name="l00133"></a><span class="lineno"> 133</span> <span class="comment"> * Resize down as much as possible,</span></div>
<div class="line"><a name="l00134"></a><span class="lineno"> 134</span> <span class="comment"> * while keeping at least the specified number of limbs</span></div>
<div class="line"><a name="l00135"></a><span class="lineno"> 135</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00136"></a><span class="lineno"> 136</span> <span class="keywordtype">int</span> <a class="code" href="bignum_8h.html#adaa24d645b3940d17fb6ac1d6fd17408">mpi_shrink</a>( <a class="code" href="structmpi.html">mpi</a> *X, <span class="keywordtype">size_t</span> nblimbs )</div>
<div class="line"><a name="l00137"></a><span class="lineno"> 137</span> {</div>
<div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  <a class="code" href="bignum_8h.html#ad5d1464f801a0e7d2ed32a8f8dc2ccc9">t_uint</a> *p;</div>
<div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  <span class="keywordtype">size_t</span> i;</div>
<div class="line"><a name="l00140"></a><span class="lineno"> 140</span> </div>
<div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  <span class="comment">/* Actually resize up in this case */</span></div>
<div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  <span class="keywordflow">if</span>( X-><a class="code" href="structmpi.html#acc8d6d92112b326fcac7c6eff002feb1">n</a> <= nblimbs )</div>
<div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  <span class="keywordflow">return</span>( <a class="code" href="bignum_8h.html#ac585f00fc9be270de074e8fbfb508d6a">mpi_grow</a>( X, nblimbs ) );</div>
<div class="line"><a name="l00144"></a><span class="lineno"> 144</span> </div>
<div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  <span class="keywordflow">for</span>( i = X-><a class="code" href="structmpi.html#acc8d6d92112b326fcac7c6eff002feb1">n</a> - 1; i > 0; i-- )</div>
<div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  <span class="keywordflow">if</span>( X-><a class="code" href="structmpi.html#aaeeabe339c1cc40d05bdb026666404f8">p</a>[i] != 0 )</div>
<div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  i++;</div>
<div class="line"><a name="l00149"></a><span class="lineno"> 149</span> </div>
<div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  <span class="keywordflow">if</span>( i < nblimbs )</div>
<div class="line"><a name="l00151"></a><span class="lineno"> 151</span>  i = nblimbs;</div>
<div class="line"><a name="l00152"></a><span class="lineno"> 152</span> </div>
<div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  <span class="keywordflow">if</span>( ( p = (<a class="code" href="bignum_8h.html#ad5d1464f801a0e7d2ed32a8f8dc2ccc9">t_uint</a> *) <a class="code" href="test__suite__aes_8cbc_8c.html#a2a0cfb9e59f28e2a1a5fd1880fb20d4b">polarssl_malloc</a>( i * ciL ) ) == NULL )</div>
<div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  <span class="keywordflow">return</span>( <a class="code" href="bignum_8h.html#ad288a13737d14f102748c3184ed5a494">POLARSSL_ERR_MPI_MALLOC_FAILED</a> );</div>
<div class="line"><a name="l00155"></a><span class="lineno"> 155</span> </div>
<div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  memset( p, 0, i * ciL );</div>
<div class="line"><a name="l00157"></a><span class="lineno"> 157</span> </div>
<div class="line"><a name="l00158"></a><span class="lineno"> 158</span>  <span class="keywordflow">if</span>( X-><a class="code" href="structmpi.html#aaeeabe339c1cc40d05bdb026666404f8">p</a> != NULL )</div>
<div class="line"><a name="l00159"></a><span class="lineno"> 159</span>  {</div>
<div class="line"><a name="l00160"></a><span class="lineno"> 160</span>  memcpy( p, X-><a class="code" href="structmpi.html#aaeeabe339c1cc40d05bdb026666404f8">p</a>, i * ciL );</div>
<div class="line"><a name="l00161"></a><span class="lineno"> 161</span>  polarssl_zeroize( X-><a class="code" href="structmpi.html#aaeeabe339c1cc40d05bdb026666404f8">p</a>, X-><a class="code" href="structmpi.html#acc8d6d92112b326fcac7c6eff002feb1">n</a> * ciL );</div>
<div class="line"><a name="l00162"></a><span class="lineno"> 162</span>  <a class="code" href="test__suite__aes_8cbc_8c.html#a3c8219c194813f302bf78fe73566cb2d">polarssl_free</a>( X-><a class="code" href="structmpi.html#aaeeabe339c1cc40d05bdb026666404f8">p</a> );</div>
<div class="line"><a name="l00163"></a><span class="lineno"> 163</span>  }</div>
<div class="line"><a name="l00164"></a><span class="lineno"> 164</span> </div>
<div class="line"><a name="l00165"></a><span class="lineno"> 165</span>  X-><a class="code" href="structmpi.html#acc8d6d92112b326fcac7c6eff002feb1">n</a> = i;</div>
<div class="line"><a name="l00166"></a><span class="lineno"> 166</span>  X-><a class="code" href="structmpi.html#aaeeabe339c1cc40d05bdb026666404f8">p</a> = p;</div>
<div class="line"><a name="l00167"></a><span class="lineno"> 167</span> </div>
<div class="line"><a name="l00168"></a><span class="lineno"> 168</span>  <span class="keywordflow">return</span>( 0 );</div>
<div class="line"><a name="l00169"></a><span class="lineno"> 169</span> }</div>
<div class="line"><a name="l00170"></a><span class="lineno"> 170</span> </div>
<div class="line"><a name="l00171"></a><span class="lineno"> 171</span> <span class="comment">/*</span></div>
<div class="line"><a name="l00172"></a><span class="lineno"> 172</span> <span class="comment"> * Copy the contents of Y into X</span></div>
<div class="line"><a name="l00173"></a><span class="lineno"> 173</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00174"></a><span class="lineno"> 174</span> <span class="keywordtype">int</span> <a class="code" href="bignum_8h.html#a6fbcce39a9d92d9e2a560f8aa6a810f4">mpi_copy</a>( <a class="code" href="structmpi.html">mpi</a> *X, <span class="keyword">const</span> <a class="code" href="structmpi.html">mpi</a> *Y )</div>
<div class="line"><a name="l00175"></a><span class="lineno"> 175</span> {</div>
<div class="line"><a name="l00176"></a><span class="lineno"> 176</span>  <span class="keywordtype">int</span> ret;</div>
<div class="line"><a name="l00177"></a><span class="lineno"> 177</span>  <span class="keywordtype">size_t</span> i;</div>
<div class="line"><a name="l00178"></a><span class="lineno"> 178</span> </div>
<div class="line"><a name="l00179"></a><span class="lineno"> 179</span>  <span class="keywordflow">if</span>( X == Y )</div>
<div class="line"><a name="l00180"></a><span class="lineno"> 180</span>  <span class="keywordflow">return</span>( 0 );</div>
<div class="line"><a name="l00181"></a><span class="lineno"> 181</span> </div>
<div class="line"><a name="l00182"></a><span class="lineno"> 182</span>  <span class="keywordflow">if</span>( Y-><a class="code" href="structmpi.html#aaeeabe339c1cc40d05bdb026666404f8">p</a> == NULL )</div>
<div class="line"><a name="l00183"></a><span class="lineno"> 183</span>  {</div>
<div class="line"><a name="l00184"></a><span class="lineno"> 184</span>  <a class="code" href="bignum_8h.html#ae1f6507671587755e46bbf0afcae6a8c">mpi_free</a>( X );</div>
<div class="line"><a name="l00185"></a><span class="lineno"> 185</span>  <span class="keywordflow">return</span>( 0 );</div>
<div class="line"><a name="l00186"></a><span class="lineno"> 186</span>  }</div>
<div class="line"><a name="l00187"></a><span class="lineno"> 187</span> </div>
<div class="line"><a name="l00188"></a><span class="lineno"> 188</span>  <span class="keywordflow">for</span>( i = Y-><a class="code" href="structmpi.html#acc8d6d92112b326fcac7c6eff002feb1">n</a> - 1; i > 0; i-- )</div>
<div class="line"><a name="l00189"></a><span class="lineno"> 189</span>  <span class="keywordflow">if</span>( Y-><a class="code" href="structmpi.html#aaeeabe339c1cc40d05bdb026666404f8">p</a>[i] != 0 )</div>
<div class="line"><a name="l00190"></a><span class="lineno"> 190</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00191"></a><span class="lineno"> 191</span>  i++;</div>
<div class="line"><a name="l00192"></a><span class="lineno"> 192</span> </div>
<div class="line"><a name="l00193"></a><span class="lineno"> 193</span>  X-><a class="code" href="structmpi.html#ad44e921903bdc7fcc1cadad14784a59a">s</a> = Y-><a class="code" href="structmpi.html#ad44e921903bdc7fcc1cadad14784a59a">s</a>;</div>
<div class="line"><a name="l00194"></a><span class="lineno"> 194</span> </div>
<div class="line"><a name="l00195"></a><span class="lineno"> 195</span>  <a class="code" href="bignum_8h.html#a024b186dd3608bcbcfc9dd36212a18ec">MPI_CHK</a>( <a class="code" href="bignum_8h.html#ac585f00fc9be270de074e8fbfb508d6a">mpi_grow</a>( X, i ) );</div>
<div class="line"><a name="l00196"></a><span class="lineno"> 196</span> </div>
<div class="line"><a name="l00197"></a><span class="lineno"> 197</span>  memset( X-><a class="code" href="structmpi.html#aaeeabe339c1cc40d05bdb026666404f8">p</a>, 0, X-><a class="code" href="structmpi.html#acc8d6d92112b326fcac7c6eff002feb1">n</a> * ciL );</div>
<div class="line"><a name="l00198"></a><span class="lineno"> 198</span>  memcpy( X-><a class="code" href="structmpi.html#aaeeabe339c1cc40d05bdb026666404f8">p</a>, Y-><a class="code" href="structmpi.html#aaeeabe339c1cc40d05bdb026666404f8">p</a>, i * ciL );</div>
<div class="line"><a name="l00199"></a><span class="lineno"> 199</span> </div>
<div class="line"><a name="l00200"></a><span class="lineno"> 200</span> cleanup:</div>
<div class="line"><a name="l00201"></a><span class="lineno"> 201</span> </div>
<div class="line"><a name="l00202"></a><span class="lineno"> 202</span>  <span class="keywordflow">return</span>( ret );</div>
<div class="line"><a name="l00203"></a><span class="lineno"> 203</span> }</div>
<div class="line"><a name="l00204"></a><span class="lineno"> 204</span> </div>
<div class="line"><a name="l00205"></a><span class="lineno"> 205</span> <span class="comment">/*</span></div>
<div class="line"><a name="l00206"></a><span class="lineno"> 206</span> <span class="comment"> * Swap the contents of X and Y</span></div>
<div class="line"><a name="l00207"></a><span class="lineno"> 207</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00208"></a><span class="lineno"> 208</span> <span class="keywordtype">void</span> <a class="code" href="bignum_8h.html#a5456193a9ebcfe612b93cfb509995a75">mpi_swap</a>( <a class="code" href="structmpi.html">mpi</a> *X, <a class="code" href="structmpi.html">mpi</a> *Y )</div>
<div class="line"><a name="l00209"></a><span class="lineno"> 209</span> {</div>
<div class="line"><a name="l00210"></a><span class="lineno"> 210</span>  <a class="code" href="structmpi.html">mpi</a> T;</div>
<div class="line"><a name="l00211"></a><span class="lineno"> 211</span> </div>
<div class="line"><a name="l00212"></a><span class="lineno"> 212</span>  memcpy( &T, X, <span class="keyword">sizeof</span>( <a class="code" href="structmpi.html">mpi</a> ) );</div>
<div class="line"><a name="l00213"></a><span class="lineno"> 213</span>  memcpy( X, Y, <span class="keyword">sizeof</span>( <a class="code" href="structmpi.html">mpi</a> ) );</div>
<div class="line"><a name="l00214"></a><span class="lineno"> 214</span>  memcpy( Y, &T, <span class="keyword">sizeof</span>( <a class="code" href="structmpi.html">mpi</a> ) );</div>
<div class="line"><a name="l00215"></a><span class="lineno"> 215</span> }</div>
<div class="line"><a name="l00216"></a><span class="lineno"> 216</span> </div>
<div class="line"><a name="l00217"></a><span class="lineno"> 217</span> <span class="comment">/*</span></div>
<div class="line"><a name="l00218"></a><span class="lineno"> 218</span> <span class="comment"> * Conditionally assign X = Y, without leaking information</span></div>
<div class="line"><a name="l00219"></a><span class="lineno"> 219</span> <span class="comment"> * about whether the assignment was made or not.</span></div>
<div class="line"><a name="l00220"></a><span class="lineno"> 220</span> <span class="comment"> * (Leaking information about the respective sizes of X and Y is ok however.)</span></div>
<div class="line"><a name="l00221"></a><span class="lineno"> 221</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00222"></a><span class="lineno"> 222</span> <span class="keywordtype">int</span> <a class="code" href="bignum_8h.html#a4022aef0c79b5a7121ee294cc139ae12">mpi_safe_cond_assign</a>( <a class="code" href="structmpi.html">mpi</a> *X, <span class="keyword">const</span> <a class="code" href="structmpi.html">mpi</a> *Y, <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> assign )</div>
<div class="line"><a name="l00223"></a><span class="lineno"> 223</span> {</div>
<div class="line"><a name="l00224"></a><span class="lineno"> 224</span>  <span class="keywordtype">int</span> ret = 0;</div>
<div class="line"><a name="l00225"></a><span class="lineno"> 225</span>  <span class="keywordtype">size_t</span> i;</div>
<div class="line"><a name="l00226"></a><span class="lineno"> 226</span> </div>
<div class="line"><a name="l00227"></a><span class="lineno"> 227</span>  <span class="comment">/* make sure assign is 0 or 1 */</span></div>
<div class="line"><a name="l00228"></a><span class="lineno"> 228</span>  assign = ( assign != 0 );</div>
<div class="line"><a name="l00229"></a><span class="lineno"> 229</span> </div>
<div class="line"><a name="l00230"></a><span class="lineno"> 230</span>  <a class="code" href="bignum_8h.html#a024b186dd3608bcbcfc9dd36212a18ec">MPI_CHK</a>( <a class="code" href="bignum_8h.html#ac585f00fc9be270de074e8fbfb508d6a">mpi_grow</a>( X, Y-><a class="code" href="structmpi.html#acc8d6d92112b326fcac7c6eff002feb1">n</a> ) );</div>
<div class="line"><a name="l00231"></a><span class="lineno"> 231</span> </div>
<div class="line"><a name="l00232"></a><span class="lineno"> 232</span>  X-><a class="code" href="structmpi.html#ad44e921903bdc7fcc1cadad14784a59a">s</a> = X-><a class="code" href="structmpi.html#ad44e921903bdc7fcc1cadad14784a59a">s</a> * ( 1 - assign ) + Y-><a class="code" href="structmpi.html#ad44e921903bdc7fcc1cadad14784a59a">s</a> * assign;</div>
<div class="line"><a name="l00233"></a><span class="lineno"> 233</span> </div>
<div class="line"><a name="l00234"></a><span class="lineno"> 234</span>  <span class="keywordflow">for</span>( i = 0; i < Y->n; i++ )</div>
<div class="line"><a name="l00235"></a><span class="lineno"> 235</span>  X-><a class="code" href="structmpi.html#aaeeabe339c1cc40d05bdb026666404f8">p</a>[i] = X-><a class="code" href="structmpi.html#aaeeabe339c1cc40d05bdb026666404f8">p</a>[i] * ( 1 - assign ) + Y-><a class="code" href="structmpi.html#aaeeabe339c1cc40d05bdb026666404f8">p</a>[i] * assign;</div>
<div class="line"><a name="l00236"></a><span class="lineno"> 236</span> </div>
<div class="line"><a name="l00237"></a><span class="lineno"> 237</span>  <span class="keywordflow">for</span>( ; i < X->n; i++ )</div>
<div class="line"><a name="l00238"></a><span class="lineno"> 238</span>  X-><a class="code" href="structmpi.html#aaeeabe339c1cc40d05bdb026666404f8">p</a>[i] *= ( 1 - assign );</div>
<div class="line"><a name="l00239"></a><span class="lineno"> 239</span> </div>
<div class="line"><a name="l00240"></a><span class="lineno"> 240</span> cleanup:</div>
<div class="line"><a name="l00241"></a><span class="lineno"> 241</span>  <span class="keywordflow">return</span>( ret );</div>
<div class="line"><a name="l00242"></a><span class="lineno"> 242</span> }</div>
<div class="line"><a name="l00243"></a><span class="lineno"> 243</span> </div>
<div class="line"><a name="l00244"></a><span class="lineno"> 244</span> <span class="comment">/*</span></div>
<div class="line"><a name="l00245"></a><span class="lineno"> 245</span> <span class="comment"> * Conditionally swap X and Y, without leaking information</span></div>
<div class="line"><a name="l00246"></a><span class="lineno"> 246</span> <span class="comment"> * about whether the swap was made or not.</span></div>
<div class="line"><a name="l00247"></a><span class="lineno"> 247</span> <span class="comment"> * Here it is not ok to simply swap the pointers, which whould lead to</span></div>
<div class="line"><a name="l00248"></a><span class="lineno"> 248</span> <span class="comment"> * different memory access patterns when X and Y are used afterwards.</span></div>
<div class="line"><a name="l00249"></a><span class="lineno"> 249</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00250"></a><span class="lineno"> 250</span> <span class="keywordtype">int</span> <a class="code" href="bignum_8h.html#a9128b59005aad61e8d07bedd0c2973b7">mpi_safe_cond_swap</a>( <a class="code" href="structmpi.html">mpi</a> *X, <a class="code" href="structmpi.html">mpi</a> *Y, <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> swap )</div>
<div class="line"><a name="l00251"></a><span class="lineno"> 251</span> {</div>
<div class="line"><a name="l00252"></a><span class="lineno"> 252</span>  <span class="keywordtype">int</span> ret, s;</div>
<div class="line"><a name="l00253"></a><span class="lineno"> 253</span>  <span class="keywordtype">size_t</span> i;</div>
<div class="line"><a name="l00254"></a><span class="lineno"> 254</span>  <a class="code" href="bignum_8h.html#ad5d1464f801a0e7d2ed32a8f8dc2ccc9">t_uint</a> tmp;</div>
<div class="line"><a name="l00255"></a><span class="lineno"> 255</span> </div>
<div class="line"><a name="l00256"></a><span class="lineno"> 256</span>  <span class="keywordflow">if</span>( X == Y )</div>
<div class="line"><a name="l00257"></a><span class="lineno"> 257</span>  <span class="keywordflow">return</span>( 0 );</div>
<div class="line"><a name="l00258"></a><span class="lineno"> 258</span> </div>
<div class="line"><a name="l00259"></a><span class="lineno"> 259</span>  <span class="comment">/* make sure swap is 0 or 1 */</span></div>
<div class="line"><a name="l00260"></a><span class="lineno"> 260</span>  swap = ( swap != 0 );</div>
<div class="line"><a name="l00261"></a><span class="lineno"> 261</span> </div>
<div class="line"><a name="l00262"></a><span class="lineno"> 262</span>  <a class="code" href="bignum_8h.html#a024b186dd3608bcbcfc9dd36212a18ec">MPI_CHK</a>( <a class="code" href="bignum_8h.html#ac585f00fc9be270de074e8fbfb508d6a">mpi_grow</a>( X, Y-><a class="code" href="structmpi.html#acc8d6d92112b326fcac7c6eff002feb1">n</a> ) );</div>
<div class="line"><a name="l00263"></a><span class="lineno"> 263</span>  <a class="code" href="bignum_8h.html#a024b186dd3608bcbcfc9dd36212a18ec">MPI_CHK</a>( <a class="code" href="bignum_8h.html#ac585f00fc9be270de074e8fbfb508d6a">mpi_grow</a>( Y, X-><a class="code" href="structmpi.html#acc8d6d92112b326fcac7c6eff002feb1">n</a> ) );</div>
<div class="line"><a name="l00264"></a><span class="lineno"> 264</span> </div>
<div class="line"><a name="l00265"></a><span class="lineno"> 265</span>  s = X-><a class="code" href="structmpi.html#ad44e921903bdc7fcc1cadad14784a59a">s</a>;</div>
<div class="line"><a name="l00266"></a><span class="lineno"> 266</span>  X-><a class="code" href="structmpi.html#ad44e921903bdc7fcc1cadad14784a59a">s</a> = X-><a class="code" href="structmpi.html#ad44e921903bdc7fcc1cadad14784a59a">s</a> * ( 1 - swap ) + Y-><a class="code" href="structmpi.html#ad44e921903bdc7fcc1cadad14784a59a">s</a> * swap;</div>
<div class="line"><a name="l00267"></a><span class="lineno"> 267</span>  Y-><a class="code" href="structmpi.html#ad44e921903bdc7fcc1cadad14784a59a">s</a> = Y-><a class="code" href="structmpi.html#ad44e921903bdc7fcc1cadad14784a59a">s</a> * ( 1 - swap ) + s * swap;</div>
<div class="line"><a name="l00268"></a><span class="lineno"> 268</span> </div>
<div class="line"><a name="l00269"></a><span class="lineno"> 269</span> </div>
<div class="line"><a name="l00270"></a><span class="lineno"> 270</span>  <span class="keywordflow">for</span>( i = 0; i < X-><a class="code" href="structmpi.html#acc8d6d92112b326fcac7c6eff002feb1">n</a>; i++ )</div>
<div class="line"><a name="l00271"></a><span class="lineno"> 271</span>  {</div>
<div class="line"><a name="l00272"></a><span class="lineno"> 272</span>  tmp = X-><a class="code" href="structmpi.html#aaeeabe339c1cc40d05bdb026666404f8">p</a>[i];</div>
<div class="line"><a name="l00273"></a><span class="lineno"> 273</span>  X-><a class="code" href="structmpi.html#aaeeabe339c1cc40d05bdb026666404f8">p</a>[i] = X-><a class="code" href="structmpi.html#aaeeabe339c1cc40d05bdb026666404f8">p</a>[i] * ( 1 - swap ) + Y-><a class="code" href="structmpi.html#aaeeabe339c1cc40d05bdb026666404f8">p</a>[i] * swap;</div>
<div class="line"><a name="l00274"></a><span class="lineno"> 274</span>  Y-><a class="code" href="structmpi.html#aaeeabe339c1cc40d05bdb026666404f8">p</a>[i] = Y-><a class="code" href="structmpi.html#aaeeabe339c1cc40d05bdb026666404f8">p</a>[i] * ( 1 - swap ) + tmp * swap;</div>
<div class="line"><a name="l00275"></a><span class="lineno"> 275</span>  }</div>
<div class="line"><a name="l00276"></a><span class="lineno"> 276</span> </div>
<div class="line"><a name="l00277"></a><span class="lineno"> 277</span> cleanup:</div>
<div class="line"><a name="l00278"></a><span class="lineno"> 278</span>  <span class="keywordflow">return</span>( ret );</div>
<div class="line"><a name="l00279"></a><span class="lineno"> 279</span> }</div>
<div class="line"><a name="l00280"></a><span class="lineno"> 280</span> </div>
<div class="line"><a name="l00281"></a><span class="lineno"> 281</span> <span class="comment">/*</span></div>
<div class="line"><a name="l00282"></a><span class="lineno"> 282</span> <span class="comment"> * Set value from integer</span></div>
<div class="line"><a name="l00283"></a><span class="lineno"> 283</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00284"></a><span class="lineno"> 284</span> <span class="keywordtype">int</span> <a class="code" href="bignum_8h.html#a007d6236aebb0ff4a3d92ce8f525a3ae">mpi_lset</a>( <a class="code" href="structmpi.html">mpi</a> *X, <a class="code" href="bignum_8h.html#abbc933ccc2d1d02925e6886d9b4f5873">t_sint</a> z )</div>
<div class="line"><a name="l00285"></a><span class="lineno"> 285</span> {</div>
<div class="line"><a name="l00286"></a><span class="lineno"> 286</span>  <span class="keywordtype">int</span> ret;</div>
<div class="line"><a name="l00287"></a><span class="lineno"> 287</span> </div>
<div class="line"><a name="l00288"></a><span class="lineno"> 288</span>  <a class="code" href="bignum_8h.html#a024b186dd3608bcbcfc9dd36212a18ec">MPI_CHK</a>( <a class="code" href="bignum_8h.html#ac585f00fc9be270de074e8fbfb508d6a">mpi_grow</a>( X, 1 ) );</div>
<div class="line"><a name="l00289"></a><span class="lineno"> 289</span>  memset( X-><a class="code" href="structmpi.html#aaeeabe339c1cc40d05bdb026666404f8">p</a>, 0, X-><a class="code" href="structmpi.html#acc8d6d92112b326fcac7c6eff002feb1">n</a> * ciL );</div>
<div class="line"><a name="l00290"></a><span class="lineno"> 290</span> </div>
<div class="line"><a name="l00291"></a><span class="lineno"> 291</span>  X-><a class="code" href="structmpi.html#aaeeabe339c1cc40d05bdb026666404f8">p</a>[0] = ( z < 0 ) ? -z : z;</div>
<div class="line"><a name="l00292"></a><span class="lineno"> 292</span>  X-><a class="code" href="structmpi.html#ad44e921903bdc7fcc1cadad14784a59a">s</a> = ( z < 0 ) ? -1 : 1;</div>
<div class="line"><a name="l00293"></a><span class="lineno"> 293</span> </div>
<div class="line"><a name="l00294"></a><span class="lineno"> 294</span> cleanup:</div>
<div class="line"><a name="l00295"></a><span class="lineno"> 295</span> </div>
<div class="line"><a name="l00296"></a><span class="lineno"> 296</span>  <span class="keywordflow">return</span>( ret );</div>
<div class="line"><a name="l00297"></a><span class="lineno"> 297</span> }</div>
<div class="line"><a name="l00298"></a><span class="lineno"> 298</span> </div>
<div class="line"><a name="l00299"></a><span class="lineno"> 299</span> <span class="comment">/*</span></div>
<div class="line"><a name="l00300"></a><span class="lineno"> 300</span> <span class="comment"> * Get a specific bit</span></div>
<div class="line"><a name="l00301"></a><span class="lineno"> 301</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00302"></a><span class="lineno"> 302</span> <span class="keywordtype">int</span> <a class="code" href="bignum_8h.html#a920345ada5c75a913b32a00fed3bd36c">mpi_get_bit</a>( <span class="keyword">const</span> <a class="code" href="structmpi.html">mpi</a> *X, <span class="keywordtype">size_t</span> pos )</div>
<div class="line"><a name="l00303"></a><span class="lineno"> 303</span> {</div>
<div class="line"><a name="l00304"></a><span class="lineno"> 304</span>  <span class="keywordflow">if</span>( X-><a class="code" href="structmpi.html#acc8d6d92112b326fcac7c6eff002feb1">n</a> * biL <= pos )</div>
<div class="line"><a name="l00305"></a><span class="lineno"> 305</span>  <span class="keywordflow">return</span>( 0 );</div>
<div class="line"><a name="l00306"></a><span class="lineno"> 306</span> </div>
<div class="line"><a name="l00307"></a><span class="lineno"> 307</span>  <span class="keywordflow">return</span>( ( X-><a class="code" href="structmpi.html#aaeeabe339c1cc40d05bdb026666404f8">p</a>[pos / biL] >> ( pos % biL ) ) & 0x01 );</div>
<div class="line"><a name="l00308"></a><span class="lineno"> 308</span> }</div>
<div class="line"><a name="l00309"></a><span class="lineno"> 309</span> </div>
<div class="line"><a name="l00310"></a><span class="lineno"> 310</span> <span class="comment">/*</span></div>
<div class="line"><a name="l00311"></a><span class="lineno"> 311</span> <span class="comment"> * Set a bit to a specific value of 0 or 1</span></div>
<div class="line"><a name="l00312"></a><span class="lineno"> 312</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00313"></a><span class="lineno"> 313</span> <span class="keywordtype">int</span> <a class="code" href="bignum_8h.html#ac70dd057e989b021c4a535470d6afec9">mpi_set_bit</a>( <a class="code" href="structmpi.html">mpi</a> *X, <span class="keywordtype">size_t</span> pos, <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> <a class="code" href="struct__asn1__named__data.html#af1175e54f92e9aaa85fb7a6a27a5511e">val</a> )</div>
<div class="line"><a name="l00314"></a><span class="lineno"> 314</span> {</div>
<div class="line"><a name="l00315"></a><span class="lineno"> 315</span>  <span class="keywordtype">int</span> ret = 0;</div>
<div class="line"><a name="l00316"></a><span class="lineno"> 316</span>  <span class="keywordtype">size_t</span> off = pos / biL;</div>
<div class="line"><a name="l00317"></a><span class="lineno"> 317</span>  <span class="keywordtype">size_t</span> idx = pos % biL;</div>
<div class="line"><a name="l00318"></a><span class="lineno"> 318</span> </div>
<div class="line"><a name="l00319"></a><span class="lineno"> 319</span>  <span class="keywordflow">if</span>( val != 0 && val != 1 )</div>
<div class="line"><a name="l00320"></a><span class="lineno"> 320</span>  <span class="keywordflow">return</span>( <a class="code" href="bignum_8h.html#aad5959617396031440786cd8ff24712a">POLARSSL_ERR_MPI_BAD_INPUT_DATA</a> );</div>
<div class="line"><a name="l00321"></a><span class="lineno"> 321</span> </div>
<div class="line"><a name="l00322"></a><span class="lineno"> 322</span>  <span class="keywordflow">if</span>( X-><a class="code" href="structmpi.html#acc8d6d92112b326fcac7c6eff002feb1">n</a> * biL <= pos )</div>
<div class="line"><a name="l00323"></a><span class="lineno"> 323</span>  {</div>
<div class="line"><a name="l00324"></a><span class="lineno"> 324</span>  <span class="keywordflow">if</span>( val == 0 )</div>
<div class="line"><a name="l00325"></a><span class="lineno"> 325</span>  <span class="keywordflow">return</span>( 0 );</div>
<div class="line"><a name="l00326"></a><span class="lineno"> 326</span> </div>
<div class="line"><a name="l00327"></a><span class="lineno"> 327</span>  <a class="code" href="bignum_8h.html#a024b186dd3608bcbcfc9dd36212a18ec">MPI_CHK</a>( <a class="code" href="bignum_8h.html#ac585f00fc9be270de074e8fbfb508d6a">mpi_grow</a>( X, off + 1 ) );</div>
<div class="line"><a name="l00328"></a><span class="lineno"> 328</span>  }</div>
<div class="line"><a name="l00329"></a><span class="lineno"> 329</span> </div>
<div class="line"><a name="l00330"></a><span class="lineno"> 330</span>  X-><a class="code" href="structmpi.html#aaeeabe339c1cc40d05bdb026666404f8">p</a>[off] &= ~( (<a class="code" href="bignum_8h.html#ad5d1464f801a0e7d2ed32a8f8dc2ccc9">t_uint</a>) 0x01 << idx );</div>
<div class="line"><a name="l00331"></a><span class="lineno"> 331</span>  X-><a class="code" href="structmpi.html#aaeeabe339c1cc40d05bdb026666404f8">p</a>[off] |= (<a class="code" href="bignum_8h.html#ad5d1464f801a0e7d2ed32a8f8dc2ccc9">t_uint</a>) val << idx;</div>
<div class="line"><a name="l00332"></a><span class="lineno"> 332</span> </div>
<div class="line"><a name="l00333"></a><span class="lineno"> 333</span> cleanup:</div>
<div class="line"><a name="l00334"></a><span class="lineno"> 334</span> </div>
<div class="line"><a name="l00335"></a><span class="lineno"> 335</span>  <span class="keywordflow">return</span>( ret );</div>
<div class="line"><a name="l00336"></a><span class="lineno"> 336</span> }</div>
<div class="line"><a name="l00337"></a><span class="lineno"> 337</span> </div>
<div class="line"><a name="l00338"></a><span class="lineno"> 338</span> <span class="comment">/*</span></div>
<div class="line"><a name="l00339"></a><span class="lineno"> 339</span> <span class="comment"> * Return the number of least significant bits</span></div>
<div class="line"><a name="l00340"></a><span class="lineno"> 340</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00341"></a><span class="lineno"> 341</span> <span class="keywordtype">size_t</span> <a class="code" href="bignum_8h.html#a6d6079272ffa625501f58127172a4f53">mpi_lsb</a>( <span class="keyword">const</span> <a class="code" href="structmpi.html">mpi</a> *X )</div>
<div class="line"><a name="l00342"></a><span class="lineno"> 342</span> {</div>
<div class="line"><a name="l00343"></a><span class="lineno"> 343</span>  <span class="keywordtype">size_t</span> i, j, count = 0;</div>
<div class="line"><a name="l00344"></a><span class="lineno"> 344</span> </div>
<div class="line"><a name="l00345"></a><span class="lineno"> 345</span>  <span class="keywordflow">for</span>( i = 0; i < X-><a class="code" href="structmpi.html#acc8d6d92112b326fcac7c6eff002feb1">n</a>; i++ )</div>
<div class="line"><a name="l00346"></a><span class="lineno"> 346</span>  <span class="keywordflow">for</span>( j = 0; j < biL; j++, count++ )</div>
<div class="line"><a name="l00347"></a><span class="lineno"> 347</span>  <span class="keywordflow">if</span>( ( ( X-><a class="code" href="structmpi.html#aaeeabe339c1cc40d05bdb026666404f8">p</a>[i] >> j ) & 1 ) != 0 )</div>
<div class="line"><a name="l00348"></a><span class="lineno"> 348</span>  <span class="keywordflow">return</span>( count );</div>
<div class="line"><a name="l00349"></a><span class="lineno"> 349</span> </div>
<div class="line"><a name="l00350"></a><span class="lineno"> 350</span>  <span class="keywordflow">return</span>( 0 );</div>
<div class="line"><a name="l00351"></a><span class="lineno"> 351</span> }</div>
<div class="line"><a name="l00352"></a><span class="lineno"> 352</span> </div>
<div class="line"><a name="l00353"></a><span class="lineno"> 353</span> <span class="comment">/*</span></div>
<div class="line"><a name="l00354"></a><span class="lineno"> 354</span> <span class="comment"> * Return the number of most significant bits</span></div>
<div class="line"><a name="l00355"></a><span class="lineno"> 355</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00356"></a><span class="lineno"> 356</span> <span class="keywordtype">size_t</span> <a class="code" href="bignum_8h.html#a4d461a7bff5a31df34bbf93ec00ab886">mpi_msb</a>( <span class="keyword">const</span> <a class="code" href="structmpi.html">mpi</a> *X )</div>
<div class="line"><a name="l00357"></a><span class="lineno"> 357</span> {</div>
<div class="line"><a name="l00358"></a><span class="lineno"> 358</span>  <span class="keywordtype">size_t</span> i, j;</div>
<div class="line"><a name="l00359"></a><span class="lineno"> 359</span> </div>
<div class="line"><a name="l00360"></a><span class="lineno"> 360</span>  <span class="keywordflow">for</span>( i = X-><a class="code" href="structmpi.html#acc8d6d92112b326fcac7c6eff002feb1">n</a> - 1; i > 0; i-- )</div>
<div class="line"><a name="l00361"></a><span class="lineno"> 361</span>  <span class="keywordflow">if</span>( X-><a class="code" href="structmpi.html#aaeeabe339c1cc40d05bdb026666404f8">p</a>[i] != 0 )</div>
<div class="line"><a name="l00362"></a><span class="lineno"> 362</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00363"></a><span class="lineno"> 363</span> </div>
<div class="line"><a name="l00364"></a><span class="lineno"> 364</span>  <span class="keywordflow">for</span>( j = biL; j > 0; j-- )</div>
<div class="line"><a name="l00365"></a><span class="lineno"> 365</span>  <span class="keywordflow">if</span>( ( ( X-><a class="code" href="structmpi.html#aaeeabe339c1cc40d05bdb026666404f8">p</a>[i] >> ( j - 1 ) ) & 1 ) != 0 )</div>
<div class="line"><a name="l00366"></a><span class="lineno"> 366</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00367"></a><span class="lineno"> 367</span> </div>
<div class="line"><a name="l00368"></a><span class="lineno"> 368</span>  <span class="keywordflow">return</span>( ( i * biL ) + j );</div>
<div class="line"><a name="l00369"></a><span class="lineno"> 369</span> }</div>
<div class="line"><a name="l00370"></a><span class="lineno"> 370</span> </div>
<div class="line"><a name="l00371"></a><span class="lineno"> 371</span> <span class="comment">/*</span></div>
<div class="line"><a name="l00372"></a><span class="lineno"> 372</span> <span class="comment"> * Return the total size in bytes</span></div>
<div class="line"><a name="l00373"></a><span class="lineno"> 373</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00374"></a><span class="lineno"> 374</span> <span class="keywordtype">size_t</span> <a class="code" href="bignum_8h.html#a8aa3a3d3aac9e49879ea8cd308859d23">mpi_size</a>( <span class="keyword">const</span> <a class="code" href="structmpi.html">mpi</a> *X )</div>
<div class="line"><a name="l00375"></a><span class="lineno"> 375</span> {</div>
<div class="line"><a name="l00376"></a><span class="lineno"> 376</span>  <span class="keywordflow">return</span>( ( <a class="code" href="bignum_8h.html#a4d461a7bff5a31df34bbf93ec00ab886">mpi_msb</a>( X ) + 7 ) >> 3 );</div>
<div class="line"><a name="l00377"></a><span class="lineno"> 377</span> }</div>
<div class="line"><a name="l00378"></a><span class="lineno"> 378</span> </div>
<div class="line"><a name="l00379"></a><span class="lineno"> 379</span> <span class="comment">/*</span></div>
<div class="line"><a name="l00380"></a><span class="lineno"> 380</span> <span class="comment"> * Convert an ASCII character to digit value</span></div>
<div class="line"><a name="l00381"></a><span class="lineno"> 381</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00382"></a><span class="lineno"> 382</span> <span class="keyword">static</span> <span class="keywordtype">int</span> mpi_get_digit( <a class="code" href="bignum_8h.html#ad5d1464f801a0e7d2ed32a8f8dc2ccc9">t_uint</a> *d, <span class="keywordtype">int</span> radix, <span class="keywordtype">char</span> c )</div>
<div class="line"><a name="l00383"></a><span class="lineno"> 383</span> {</div>
<div class="line"><a name="l00384"></a><span class="lineno"> 384</span>  *d = 255;</div>
<div class="line"><a name="l00385"></a><span class="lineno"> 385</span> </div>
<div class="line"><a name="l00386"></a><span class="lineno"> 386</span>  <span class="keywordflow">if</span>( c >= 0x30 && c <= 0x39 ) *d = c - 0x30;</div>
<div class="line"><a name="l00387"></a><span class="lineno"> 387</span>  <span class="keywordflow">if</span>( c >= 0x41 && c <= 0x46 ) *d = c - 0x37;</div>
<div class="line"><a name="l00388"></a><span class="lineno"> 388</span>  <span class="keywordflow">if</span>( c >= 0x61 && c <= 0x66 ) *d = c - 0x57;</div>
<div class="line"><a name="l00389"></a><span class="lineno"> 389</span> </div>
<div class="line"><a name="l00390"></a><span class="lineno"> 390</span>  <span class="keywordflow">if</span>( *d >= (<a class="code" href="bignum_8h.html#ad5d1464f801a0e7d2ed32a8f8dc2ccc9">t_uint</a>) radix )</div>
<div class="line"><a name="l00391"></a><span class="lineno"> 391</span>  <span class="keywordflow">return</span>( <a class="code" href="bignum_8h.html#af2d758961ae9e4085d2a43588ecb782a">POLARSSL_ERR_MPI_INVALID_CHARACTER</a> );</div>
<div class="line"><a name="l00392"></a><span class="lineno"> 392</span> </div>
<div class="line"><a name="l00393"></a><span class="lineno"> 393</span>  <span class="keywordflow">return</span>( 0 );</div>
<div class="line"><a name="l00394"></a><span class="lineno"> 394</span> }</div>
<div class="line"><a name="l00395"></a><span class="lineno"> 395</span> </div>
<div class="line"><a name="l00396"></a><span class="lineno"> 396</span> <span class="comment">/*</span></div>
<div class="line"><a name="l00397"></a><span class="lineno"> 397</span> <span class="comment"> * Import from an ASCII string</span></div>
<div class="line"><a name="l00398"></a><span class="lineno"> 398</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00399"></a><span class="lineno"> 399</span> <span class="keywordtype">int</span> <a class="code" href="bignum_8h.html#a752d12c301f4e5df56f17e9bc8d78d74">mpi_read_string</a>( <a class="code" href="structmpi.html">mpi</a> *X, <span class="keywordtype">int</span> radix, <span class="keyword">const</span> <span class="keywordtype">char</span> *s )</div>
<div class="line"><a name="l00400"></a><span class="lineno"> 400</span> {</div>
<div class="line"><a name="l00401"></a><span class="lineno"> 401</span>  <span class="keywordtype">int</span> ret;</div>
<div class="line"><a name="l00402"></a><span class="lineno"> 402</span>  <span class="keywordtype">size_t</span> i, j, slen, n;</div>
<div class="line"><a name="l00403"></a><span class="lineno"> 403</span>  <a class="code" href="bignum_8h.html#ad5d1464f801a0e7d2ed32a8f8dc2ccc9">t_uint</a> d;</div>
<div class="line"><a name="l00404"></a><span class="lineno"> 404</span>  <a class="code" href="structmpi.html">mpi</a> T;</div>
<div class="line"><a name="l00405"></a><span class="lineno"> 405</span> </div>
<div class="line"><a name="l00406"></a><span class="lineno"> 406</span>  <span class="keywordflow">if</span>( radix < 2 || radix > 16 )</div>
<div class="line"><a name="l00407"></a><span class="lineno"> 407</span>  <span class="keywordflow">return</span>( <a class="code" href="bignum_8h.html#aad5959617396031440786cd8ff24712a">POLARSSL_ERR_MPI_BAD_INPUT_DATA</a> );</div>
<div class="line"><a name="l00408"></a><span class="lineno"> 408</span> </div>
<div class="line"><a name="l00409"></a><span class="lineno"> 409</span>  <a class="code" href="bignum_8h.html#a201666869f65225d6535bcc697f95c9b">mpi_init</a>( &T );</div>
<div class="line"><a name="l00410"></a><span class="lineno"> 410</span> </div>
<div class="line"><a name="l00411"></a><span class="lineno"> 411</span>  slen = strlen( s );</div>
<div class="line"><a name="l00412"></a><span class="lineno"> 412</span> </div>
<div class="line"><a name="l00413"></a><span class="lineno"> 413</span>  <span class="keywordflow">if</span>( radix == 16 )</div>
<div class="line"><a name="l00414"></a><span class="lineno"> 414</span>  {</div>
<div class="line"><a name="l00415"></a><span class="lineno"> 415</span>  n = BITS_TO_LIMBS( slen << 2 );</div>
<div class="line"><a name="l00416"></a><span class="lineno"> 416</span> </div>
<div class="line"><a name="l00417"></a><span class="lineno"> 417</span>  <a class="code" href="bignum_8h.html#a024b186dd3608bcbcfc9dd36212a18ec">MPI_CHK</a>( <a class="code" href="bignum_8h.html#ac585f00fc9be270de074e8fbfb508d6a">mpi_grow</a>( X, n ) );</div>
<div class="line"><a name="l00418"></a><span class="lineno"> 418</span>  <a class="code" href="bignum_8h.html#a024b186dd3608bcbcfc9dd36212a18ec">MPI_CHK</a>( <a class="code" href="bignum_8h.html#a007d6236aebb0ff4a3d92ce8f525a3ae">mpi_lset</a>( X, 0 ) );</div>
<div class="line"><a name="l00419"></a><span class="lineno"> 419</span> </div>
<div class="line"><a name="l00420"></a><span class="lineno"> 420</span>  <span class="keywordflow">for</span>( i = slen, j = 0; i > 0; i--, j++ )</div>
<div class="line"><a name="l00421"></a><span class="lineno"> 421</span>  {</div>
<div class="line"><a name="l00422"></a><span class="lineno"> 422</span>  <span class="keywordflow">if</span>( i == 1 && s[i - 1] == <span class="charliteral">'-'</span> )</div>
<div class="line"><a name="l00423"></a><span class="lineno"> 423</span>  {</div>
<div class="line"><a name="l00424"></a><span class="lineno"> 424</span>  X-><a class="code" href="structmpi.html#ad44e921903bdc7fcc1cadad14784a59a">s</a> = -1;</div>
<div class="line"><a name="l00425"></a><span class="lineno"> 425</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00426"></a><span class="lineno"> 426</span>  }</div>
<div class="line"><a name="l00427"></a><span class="lineno"> 427</span> </div>
<div class="line"><a name="l00428"></a><span class="lineno"> 428</span>  <a class="code" href="bignum_8h.html#a024b186dd3608bcbcfc9dd36212a18ec">MPI_CHK</a>( mpi_get_digit( &d, radix, s[i - 1] ) );</div>
<div class="line"><a name="l00429"></a><span class="lineno"> 429</span>  X-><a class="code" href="structmpi.html#aaeeabe339c1cc40d05bdb026666404f8">p</a>[j / ( 2 * ciL )] |= d << ( ( j % ( 2 * ciL ) ) << 2 );</div>
<div class="line"><a name="l00430"></a><span class="lineno"> 430</span>  }</div>
<div class="line"><a name="l00431"></a><span class="lineno"> 431</span>  }</div>
<div class="line"><a name="l00432"></a><span class="lineno"> 432</span>  <span class="keywordflow">else</span></div>
<div class="line"><a name="l00433"></a><span class="lineno"> 433</span>  {</div>
<div class="line"><a name="l00434"></a><span class="lineno"> 434</span>  <a class="code" href="bignum_8h.html#a024b186dd3608bcbcfc9dd36212a18ec">MPI_CHK</a>( <a class="code" href="bignum_8h.html#a007d6236aebb0ff4a3d92ce8f525a3ae">mpi_lset</a>( X, 0 ) );</div>
<div class="line"><a name="l00435"></a><span class="lineno"> 435</span> </div>
<div class="line"><a name="l00436"></a><span class="lineno"> 436</span>  <span class="keywordflow">for</span>( i = 0; i < slen; i++ )</div>
<div class="line"><a name="l00437"></a><span class="lineno"> 437</span>  {</div>
<div class="line"><a name="l00438"></a><span class="lineno"> 438</span>  <span class="keywordflow">if</span>( i == 0 && s[i] == <span class="charliteral">'-'</span> )</div>
<div class="line"><a name="l00439"></a><span class="lineno"> 439</span>  {</div>
<div class="line"><a name="l00440"></a><span class="lineno"> 440</span>  X-><a class="code" href="structmpi.html#ad44e921903bdc7fcc1cadad14784a59a">s</a> = -1;</div>
<div class="line"><a name="l00441"></a><span class="lineno"> 441</span>  <span class="keywordflow">continue</span>;</div>
<div class="line"><a name="l00442"></a><span class="lineno"> 442</span>  }</div>
<div class="line"><a name="l00443"></a><span class="lineno"> 443</span> </div>
<div class="line"><a name="l00444"></a><span class="lineno"> 444</span>  <a class="code" href="bignum_8h.html#a024b186dd3608bcbcfc9dd36212a18ec">MPI_CHK</a>( mpi_get_digit( &d, radix, s[i] ) );</div>
<div class="line"><a name="l00445"></a><span class="lineno"> 445</span>  <a class="code" href="bignum_8h.html#a024b186dd3608bcbcfc9dd36212a18ec">MPI_CHK</a>( <a class="code" href="bignum_8h.html#a79ee36f6e38e4de6d24047bd685747b4">mpi_mul_int</a>( &T, X, radix ) );</div>
<div class="line"><a name="l00446"></a><span class="lineno"> 446</span> </div>
<div class="line"><a name="l00447"></a><span class="lineno"> 447</span>  <span class="keywordflow">if</span>( X-><a class="code" href="structmpi.html#ad44e921903bdc7fcc1cadad14784a59a">s</a> == 1 )</div>
<div class="line"><a name="l00448"></a><span class="lineno"> 448</span>  {</div>
<div class="line"><a name="l00449"></a><span class="lineno"> 449</span>  <a class="code" href="bignum_8h.html#a024b186dd3608bcbcfc9dd36212a18ec">MPI_CHK</a>( <a class="code" href="bignum_8h.html#a3b88dbe31d038dfae7f27144984f9ae0">mpi_add_int</a>( X, &T, d ) );</div>
<div class="line"><a name="l00450"></a><span class="lineno"> 450</span>  }</div>
<div class="line"><a name="l00451"></a><span class="lineno"> 451</span>  <span class="keywordflow">else</span></div>
<div class="line"><a name="l00452"></a><span class="lineno"> 452</span>  {</div>
<div class="line"><a name="l00453"></a><span class="lineno"> 453</span>  <a class="code" href="bignum_8h.html#a024b186dd3608bcbcfc9dd36212a18ec">MPI_CHK</a>( <a class="code" href="bignum_8h.html#acfdf0f6effb7f976a2f90844c492e160">mpi_sub_int</a>( X, &T, d ) );</div>
<div class="line"><a name="l00454"></a><span class="lineno"> 454</span>  }</div>
<div class="line"><a name="l00455"></a><span class="lineno"> 455</span>  }</div>
<div class="line"><a name="l00456"></a><span class="lineno"> 456</span>  }</div>
<div class="line"><a name="l00457"></a><span class="lineno"> 457</span> </div>
<div class="line"><a name="l00458"></a><span class="lineno"> 458</span> cleanup:</div>
<div class="line"><a name="l00459"></a><span class="lineno"> 459</span> </div>
<div class="line"><a name="l00460"></a><span class="lineno"> 460</span>  <a class="code" href="bignum_8h.html#ae1f6507671587755e46bbf0afcae6a8c">mpi_free</a>( &T );</div>
<div class="line"><a name="l00461"></a><span class="lineno"> 461</span> </div>
<div class="line"><a name="l00462"></a><span class="lineno"> 462</span>  <span class="keywordflow">return</span>( ret );</div>
<div class="line"><a name="l00463"></a><span class="lineno"> 463</span> }</div>
<div class="line"><a name="l00464"></a><span class="lineno"> 464</span> </div>
<div class="line"><a name="l00465"></a><span class="lineno"> 465</span> <span class="comment">/*</span></div>
<div class="line"><a name="l00466"></a><span class="lineno"> 466</span> <span class="comment"> * Helper to write the digits high-order first</span></div>
<div class="line"><a name="l00467"></a><span class="lineno"> 467</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00468"></a><span class="lineno"> 468</span> <span class="keyword">static</span> <span class="keywordtype">int</span> mpi_write_hlp( <a class="code" href="structmpi.html">mpi</a> *X, <span class="keywordtype">int</span> radix, <span class="keywordtype">char</span> **p )</div>
<div class="line"><a name="l00469"></a><span class="lineno"> 469</span> {</div>
<div class="line"><a name="l00470"></a><span class="lineno"> 470</span>  <span class="keywordtype">int</span> ret;</div>
<div class="line"><a name="l00471"></a><span class="lineno"> 471</span>  <a class="code" href="bignum_8h.html#ad5d1464f801a0e7d2ed32a8f8dc2ccc9">t_uint</a> r;</div>
<div class="line"><a name="l00472"></a><span class="lineno"> 472</span> </div>
<div class="line"><a name="l00473"></a><span class="lineno"> 473</span>  <span class="keywordflow">if</span>( radix < 2 || radix > 16 )</div>
<div class="line"><a name="l00474"></a><span class="lineno"> 474</span>  <span class="keywordflow">return</span>( <a class="code" href="bignum_8h.html#aad5959617396031440786cd8ff24712a">POLARSSL_ERR_MPI_BAD_INPUT_DATA</a> );</div>
<div class="line"><a name="l00475"></a><span class="lineno"> 475</span> </div>
<div class="line"><a name="l00476"></a><span class="lineno"> 476</span>  <a class="code" href="bignum_8h.html#a024b186dd3608bcbcfc9dd36212a18ec">MPI_CHK</a>( <a class="code" href="bignum_8h.html#a8cf9128e5d55fd1e95696fe8cb405b92">mpi_mod_int</a>( &r, X, radix ) );</div>
<div class="line"><a name="l00477"></a><span class="lineno"> 477</span>  <a class="code" href="bignum_8h.html#a024b186dd3608bcbcfc9dd36212a18ec">MPI_CHK</a>( <a class="code" href="bignum_8h.html#a5a81c7b8a4c2a6f6268ac0596a9e7f31">mpi_div_int</a>( X, NULL, X, radix ) );</div>
<div class="line"><a name="l00478"></a><span class="lineno"> 478</span> </div>
<div class="line"><a name="l00479"></a><span class="lineno"> 479</span>  <span class="keywordflow">if</span>( <a class="code" href="bignum_8h.html#aee6dc030f0fa278c1576c457088b4910">mpi_cmp_int</a>( X, 0 ) != 0 )</div>
<div class="line"><a name="l00480"></a><span class="lineno"> 480</span>  <a class="code" href="bignum_8h.html#a024b186dd3608bcbcfc9dd36212a18ec">MPI_CHK</a>( mpi_write_hlp( X, radix, p ) );</div>
<div class="line"><a name="l00481"></a><span class="lineno"> 481</span> </div>
<div class="line"><a name="l00482"></a><span class="lineno"> 482</span>  <span class="keywordflow">if</span>( r < 10 )</div>
<div class="line"><a name="l00483"></a><span class="lineno"> 483</span>  *(*p)++ = (char)( r + 0x30 );</div>
<div class="line"><a name="l00484"></a><span class="lineno"> 484</span>  <span class="keywordflow">else</span></div>
<div class="line"><a name="l00485"></a><span class="lineno"> 485</span>  *(*p)++ = (char)( r + 0x37 );</div>
<div class="line"><a name="l00486"></a><span class="lineno"> 486</span> </div>
<div class="line"><a name="l00487"></a><span class="lineno"> 487</span> cleanup:</div>
<div class="line"><a name="l00488"></a><span class="lineno"> 488</span> </div>
<div class="line"><a name="l00489"></a><span class="lineno"> 489</span>  <span class="keywordflow">return</span>( ret );</div>
<div class="line"><a name="l00490"></a><span class="lineno"> 490</span> }</div>
<div class="line"><a name="l00491"></a><span class="lineno"> 491</span> </div>
<div class="line"><a name="l00492"></a><span class="lineno"> 492</span> <span class="comment">/*</span></div>
<div class="line"><a name="l00493"></a><span class="lineno"> 493</span> <span class="comment"> * Export into an ASCII string</span></div>
<div class="line"><a name="l00494"></a><span class="lineno"> 494</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00495"></a><span class="lineno"> 495</span> <span class="keywordtype">int</span> <a class="code" href="bignum_8h.html#aac4c8bb7bf5d700277d27b03aed0df7a">mpi_write_string</a>( <span class="keyword">const</span> <a class="code" href="structmpi.html">mpi</a> *X, <span class="keywordtype">int</span> radix, <span class="keywordtype">char</span> *s, <span class="keywordtype">size_t</span> *slen )</div>
<div class="line"><a name="l00496"></a><span class="lineno"> 496</span> {</div>
<div class="line"><a name="l00497"></a><span class="lineno"> 497</span>  <span class="keywordtype">int</span> ret = 0;</div>
<div class="line"><a name="l00498"></a><span class="lineno"> 498</span>  <span class="keywordtype">size_t</span> n;</div>
<div class="line"><a name="l00499"></a><span class="lineno"> 499</span>  <span class="keywordtype">char</span> *p;</div>
<div class="line"><a name="l00500"></a><span class="lineno"> 500</span>  <a class="code" href="structmpi.html">mpi</a> T;</div>
<div class="line"><a name="l00501"></a><span class="lineno"> 501</span> </div>
<div class="line"><a name="l00502"></a><span class="lineno"> 502</span>  <span class="keywordflow">if</span>( radix < 2 || radix > 16 )</div>
<div class="line"><a name="l00503"></a><span class="lineno"> 503</span>  <span class="keywordflow">return</span>( <a class="code" href="bignum_8h.html#aad5959617396031440786cd8ff24712a">POLARSSL_ERR_MPI_BAD_INPUT_DATA</a> );</div>
<div class="line"><a name="l00504"></a><span class="lineno"> 504</span> </div>
<div class="line"><a name="l00505"></a><span class="lineno"> 505</span>  n = <a class="code" href="bignum_8h.html#a4d461a7bff5a31df34bbf93ec00ab886">mpi_msb</a>( X );</div>
<div class="line"><a name="l00506"></a><span class="lineno"> 506</span>  <span class="keywordflow">if</span>( radix >= 4 ) n >>= 1;</div>
<div class="line"><a name="l00507"></a><span class="lineno"> 507</span>  <span class="keywordflow">if</span>( radix >= 16 ) n >>= 1;</div>
<div class="line"><a name="l00508"></a><span class="lineno"> 508</span>  n += 3;</div>
<div class="line"><a name="l00509"></a><span class="lineno"> 509</span> </div>
<div class="line"><a name="l00510"></a><span class="lineno"> 510</span>  <span class="keywordflow">if</span>( *slen < n )</div>
<div class="line"><a name="l00511"></a><span class="lineno"> 511</span>  {</div>
<div class="line"><a name="l00512"></a><span class="lineno"> 512</span>  *slen = n;</div>
<div class="line"><a name="l00513"></a><span class="lineno"> 513</span>  <span class="keywordflow">return</span>( <a class="code" href="bignum_8h.html#ab0139fd8e0536a4bd1da18c9ea5bcb84">POLARSSL_ERR_MPI_BUFFER_TOO_SMALL</a> );</div>
<div class="line"><a name="l00514"></a><span class="lineno"> 514</span>  }</div>
<div class="line"><a name="l00515"></a><span class="lineno"> 515</span> </div>
<div class="line"><a name="l00516"></a><span class="lineno"> 516</span>  p = s;</div>
<div class="line"><a name="l00517"></a><span class="lineno"> 517</span>  <a class="code" href="bignum_8h.html#a201666869f65225d6535bcc697f95c9b">mpi_init</a>( &T );</div>
<div class="line"><a name="l00518"></a><span class="lineno"> 518</span> </div>
<div class="line"><a name="l00519"></a><span class="lineno"> 519</span>  <span class="keywordflow">if</span>( X-><a class="code" href="structmpi.html#ad44e921903bdc7fcc1cadad14784a59a">s</a> == -1 )</div>
<div class="line"><a name="l00520"></a><span class="lineno"> 520</span>  *p++ = <span class="charliteral">'-'</span>;</div>
<div class="line"><a name="l00521"></a><span class="lineno"> 521</span> </div>
<div class="line"><a name="l00522"></a><span class="lineno"> 522</span>  <span class="keywordflow">if</span>( radix == 16 )</div>
<div class="line"><a name="l00523"></a><span class="lineno"> 523</span>  {</div>
<div class="line"><a name="l00524"></a><span class="lineno"> 524</span>  <span class="keywordtype">int</span> c;</div>
<div class="line"><a name="l00525"></a><span class="lineno"> 525</span>  <span class="keywordtype">size_t</span> i, j, k;</div>
<div class="line"><a name="l00526"></a><span class="lineno"> 526</span> </div>
<div class="line"><a name="l00527"></a><span class="lineno"> 527</span>  <span class="keywordflow">for</span>( i = X-><a class="code" href="structmpi.html#acc8d6d92112b326fcac7c6eff002feb1">n</a>, k = 0; i > 0; i-- )</div>
<div class="line"><a name="l00528"></a><span class="lineno"> 528</span>  {</div>
<div class="line"><a name="l00529"></a><span class="lineno"> 529</span>  <span class="keywordflow">for</span>( j = ciL; j > 0; j-- )</div>
<div class="line"><a name="l00530"></a><span class="lineno"> 530</span>  {</div>
<div class="line"><a name="l00531"></a><span class="lineno"> 531</span>  c = ( X-><a class="code" href="structmpi.html#aaeeabe339c1cc40d05bdb026666404f8">p</a>[i - 1] >> ( ( j - 1 ) << 3) ) & 0xFF;</div>
<div class="line"><a name="l00532"></a><span class="lineno"> 532</span> </div>
<div class="line"><a name="l00533"></a><span class="lineno"> 533</span>  <span class="keywordflow">if</span>( c == 0 && k == 0 && ( i + j ) != 2 )</div>
<div class="line"><a name="l00534"></a><span class="lineno"> 534</span>  <span class="keywordflow">continue</span>;</div>
<div class="line"><a name="l00535"></a><span class="lineno"> 535</span> </div>
<div class="line"><a name="l00536"></a><span class="lineno"> 536</span>  *(p++) = <span class="stringliteral">"0123456789ABCDEF"</span> [c / 16];</div>
<div class="line"><a name="l00537"></a><span class="lineno"> 537</span>  *(p++) = <span class="stringliteral">"0123456789ABCDEF"</span> [c % 16];</div>
<div class="line"><a name="l00538"></a><span class="lineno"> 538</span>  k = 1;</div>
<div class="line"><a name="l00539"></a><span class="lineno"> 539</span>  }</div>
<div class="line"><a name="l00540"></a><span class="lineno"> 540</span>  }</div>
<div class="line"><a name="l00541"></a><span class="lineno"> 541</span>  }</div>
<div class="line"><a name="l00542"></a><span class="lineno"> 542</span>  <span class="keywordflow">else</span></div>
<div class="line"><a name="l00543"></a><span class="lineno"> 543</span>  {</div>
<div class="line"><a name="l00544"></a><span class="lineno"> 544</span>  <a class="code" href="bignum_8h.html#a024b186dd3608bcbcfc9dd36212a18ec">MPI_CHK</a>( <a class="code" href="bignum_8h.html#a6fbcce39a9d92d9e2a560f8aa6a810f4">mpi_copy</a>( &T, X ) );</div>
<div class="line"><a name="l00545"></a><span class="lineno"> 545</span> </div>
<div class="line"><a name="l00546"></a><span class="lineno"> 546</span>  <span class="keywordflow">if</span>( T.<a class="code" href="structmpi.html#ad44e921903bdc7fcc1cadad14784a59a">s</a> == -1 )</div>
<div class="line"><a name="l00547"></a><span class="lineno"> 547</span>  T.<a class="code" href="structmpi.html#ad44e921903bdc7fcc1cadad14784a59a">s</a> = 1;</div>
<div class="line"><a name="l00548"></a><span class="lineno"> 548</span> </div>
<div class="line"><a name="l00549"></a><span class="lineno"> 549</span>  <a class="code" href="bignum_8h.html#a024b186dd3608bcbcfc9dd36212a18ec">MPI_CHK</a>( mpi_write_hlp( &T, radix, &p ) );</div>
<div class="line"><a name="l00550"></a><span class="lineno"> 550</span>  }</div>
<div class="line"><a name="l00551"></a><span class="lineno"> 551</span> </div>
<div class="line"><a name="l00552"></a><span class="lineno"> 552</span>  *p++ = <span class="charliteral">'\0'</span>;</div>
<div class="line"><a name="l00553"></a><span class="lineno"> 553</span>  *slen = p - s;</div>
<div class="line"><a name="l00554"></a><span class="lineno"> 554</span> </div>
<div class="line"><a name="l00555"></a><span class="lineno"> 555</span> cleanup:</div>
<div class="line"><a name="l00556"></a><span class="lineno"> 556</span> </div>
<div class="line"><a name="l00557"></a><span class="lineno"> 557</span>  <a class="code" href="bignum_8h.html#ae1f6507671587755e46bbf0afcae6a8c">mpi_free</a>( &T );</div>
<div class="line"><a name="l00558"></a><span class="lineno"> 558</span> </div>
<div class="line"><a name="l00559"></a><span class="lineno"> 559</span>  <span class="keywordflow">return</span>( ret );</div>
<div class="line"><a name="l00560"></a><span class="lineno"> 560</span> }</div>
<div class="line"><a name="l00561"></a><span class="lineno"> 561</span> </div>
<div class="line"><a name="l00562"></a><span class="lineno"> 562</span> <span class="preprocessor">#if defined(POLARSSL_FS_IO)</span></div>
<div class="line"><a name="l00563"></a><span class="lineno"> 563</span> <span class="preprocessor"></span><span class="comment">/*</span></div>
<div class="line"><a name="l00564"></a><span class="lineno"> 564</span> <span class="comment"> * Read X from an opened file</span></div>
<div class="line"><a name="l00565"></a><span class="lineno"> 565</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00566"></a><span class="lineno"> 566</span> <span class="keywordtype">int</span> <a class="code" href="bignum_8h.html#aa3305289daa8dcc9e70fade0eaa1dc99">mpi_read_file</a>( <a class="code" href="structmpi.html">mpi</a> *X, <span class="keywordtype">int</span> radix, FILE *fin )</div>
<div class="line"><a name="l00567"></a><span class="lineno"> 567</span> {</div>
<div class="line"><a name="l00568"></a><span class="lineno"> 568</span>  <a class="code" href="bignum_8h.html#ad5d1464f801a0e7d2ed32a8f8dc2ccc9">t_uint</a> d;</div>
<div class="line"><a name="l00569"></a><span class="lineno"> 569</span>  <span class="keywordtype">size_t</span> slen;</div>
<div class="line"><a name="l00570"></a><span class="lineno"> 570</span>  <span class="keywordtype">char</span> *p;</div>
<div class="line"><a name="l00571"></a><span class="lineno"> 571</span>  <span class="comment">/*</span></div>
<div class="line"><a name="l00572"></a><span class="lineno"> 572</span> <span class="comment"> * Buffer should have space for (short) label and decimal formatted MPI,</span></div>
<div class="line"><a name="l00573"></a><span class="lineno"> 573</span> <span class="comment"> * newline characters and '\0'</span></div>
<div class="line"><a name="l00574"></a><span class="lineno"> 574</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00575"></a><span class="lineno"> 575</span>  <span class="keywordtype">char</span> s[ <a class="code" href="bignum_8h.html#a728c03b4fdb0f4e9e84a5488adf1c5d0">POLARSSL_MPI_RW_BUFFER_SIZE</a> ];</div>
<div class="line"><a name="l00576"></a><span class="lineno"> 576</span> </div>
<div class="line"><a name="l00577"></a><span class="lineno"> 577</span>  memset( s, 0, <span class="keyword">sizeof</span>( s ) );</div>
<div class="line"><a name="l00578"></a><span class="lineno"> 578</span>  <span class="keywordflow">if</span>( fgets( s, <span class="keyword">sizeof</span>( s ) - 1, fin ) == NULL )</div>
<div class="line"><a name="l00579"></a><span class="lineno"> 579</span>  <span class="keywordflow">return</span>( <a class="code" href="bignum_8h.html#a4f10c6e250b7a06f2fc01ce48a823fc8">POLARSSL_ERR_MPI_FILE_IO_ERROR</a> );</div>
<div class="line"><a name="l00580"></a><span class="lineno"> 580</span> </div>
<div class="line"><a name="l00581"></a><span class="lineno"> 581</span>  slen = strlen( s );</div>
<div class="line"><a name="l00582"></a><span class="lineno"> 582</span>  <span class="keywordflow">if</span>( slen == <span class="keyword">sizeof</span>( s ) - 2 )</div>
<div class="line"><a name="l00583"></a><span class="lineno"> 583</span>  <span class="keywordflow">return</span>( <a class="code" href="bignum_8h.html#ab0139fd8e0536a4bd1da18c9ea5bcb84">POLARSSL_ERR_MPI_BUFFER_TOO_SMALL</a> );</div>
<div class="line"><a name="l00584"></a><span class="lineno"> 584</span> </div>
<div class="line"><a name="l00585"></a><span class="lineno"> 585</span>  <span class="keywordflow">if</span>( s[slen - 1] == <span class="charliteral">'\n'</span> ) { slen--; s[slen] = <span class="charliteral">'\0'</span>; }</div>
<div class="line"><a name="l00586"></a><span class="lineno"> 586</span>  <span class="keywordflow">if</span>( s[slen - 1] == <span class="charliteral">'\r'</span> ) { slen--; s[slen] = <span class="charliteral">'\0'</span>; }</div>
<div class="line"><a name="l00587"></a><span class="lineno"> 587</span> </div>
<div class="line"><a name="l00588"></a><span class="lineno"> 588</span>  p = s + slen;</div>
<div class="line"><a name="l00589"></a><span class="lineno"> 589</span>  <span class="keywordflow">while</span>( --p >= s )</div>
<div class="line"><a name="l00590"></a><span class="lineno"> 590</span>  <span class="keywordflow">if</span>( mpi_get_digit( &d, radix, *p ) != 0 )</div>
<div class="line"><a name="l00591"></a><span class="lineno"> 591</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00592"></a><span class="lineno"> 592</span> </div>
<div class="line"><a name="l00593"></a><span class="lineno"> 593</span>  <span class="keywordflow">return</span>( <a class="code" href="bignum_8h.html#a752d12c301f4e5df56f17e9bc8d78d74">mpi_read_string</a>( X, radix, p + 1 ) );</div>
<div class="line"><a name="l00594"></a><span class="lineno"> 594</span> }</div>
<div class="line"><a name="l00595"></a><span class="lineno"> 595</span> </div>
<div class="line"><a name="l00596"></a><span class="lineno"> 596</span> <span class="comment">/*</span></div>
<div class="line"><a name="l00597"></a><span class="lineno"> 597</span> <span class="comment"> * Write X into an opened file (or stdout if fout == NULL)</span></div>
<div class="line"><a name="l00598"></a><span class="lineno"> 598</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00599"></a><span class="lineno"> 599</span> <span class="keywordtype">int</span> <a class="code" href="bignum_8h.html#a6388b8b831a59ae43668857f43e1a907">mpi_write_file</a>( <span class="keyword">const</span> <span class="keywordtype">char</span> *p, <span class="keyword">const</span> <a class="code" href="structmpi.html">mpi</a> *X, <span class="keywordtype">int</span> radix, FILE *fout )</div>
<div class="line"><a name="l00600"></a><span class="lineno"> 600</span> {</div>
<div class="line"><a name="l00601"></a><span class="lineno"> 601</span>  <span class="keywordtype">int</span> ret;</div>
<div class="line"><a name="l00602"></a><span class="lineno"> 602</span>  <span class="keywordtype">size_t</span> n, slen, plen;</div>
<div class="line"><a name="l00603"></a><span class="lineno"> 603</span>  <span class="comment">/*</span></div>
<div class="line"><a name="l00604"></a><span class="lineno"> 604</span> <span class="comment"> * Buffer should have space for (short) label and decimal formatted MPI,</span></div>
<div class="line"><a name="l00605"></a><span class="lineno"> 605</span> <span class="comment"> * newline characters and '\0'</span></div>
<div class="line"><a name="l00606"></a><span class="lineno"> 606</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00607"></a><span class="lineno"> 607</span>  <span class="keywordtype">char</span> s[ <a class="code" href="bignum_8h.html#a728c03b4fdb0f4e9e84a5488adf1c5d0">POLARSSL_MPI_RW_BUFFER_SIZE</a> ];</div>
<div class="line"><a name="l00608"></a><span class="lineno"> 608</span> </div>
<div class="line"><a name="l00609"></a><span class="lineno"> 609</span>  n = <span class="keyword">sizeof</span>( s );</div>
<div class="line"><a name="l00610"></a><span class="lineno"> 610</span>  memset( s, 0, n );</div>
<div class="line"><a name="l00611"></a><span class="lineno"> 611</span>  n -= 2;</div>
<div class="line"><a name="l00612"></a><span class="lineno"> 612</span> </div>
<div class="line"><a name="l00613"></a><span class="lineno"> 613</span>  <a class="code" href="bignum_8h.html#a024b186dd3608bcbcfc9dd36212a18ec">MPI_CHK</a>( <a class="code" href="bignum_8h.html#aac4c8bb7bf5d700277d27b03aed0df7a">mpi_write_string</a>( X, radix, s, (<span class="keywordtype">size_t</span> *) &n ) );</div>
<div class="line"><a name="l00614"></a><span class="lineno"> 614</span> </div>
<div class="line"><a name="l00615"></a><span class="lineno"> 615</span>  <span class="keywordflow">if</span>( p == NULL ) p = <span class="stringliteral">""</span>;</div>
<div class="line"><a name="l00616"></a><span class="lineno"> 616</span> </div>
<div class="line"><a name="l00617"></a><span class="lineno"> 617</span>  plen = strlen( p );</div>
<div class="line"><a name="l00618"></a><span class="lineno"> 618</span>  slen = strlen( s );</div>
<div class="line"><a name="l00619"></a><span class="lineno"> 619</span>  s[slen++] = <span class="charliteral">'\r'</span>;</div>
<div class="line"><a name="l00620"></a><span class="lineno"> 620</span>  s[slen++] = <span class="charliteral">'\n'</span>;</div>
<div class="line"><a name="l00621"></a><span class="lineno"> 621</span> </div>
<div class="line"><a name="l00622"></a><span class="lineno"> 622</span>  <span class="keywordflow">if</span>( fout != NULL )</div>
<div class="line"><a name="l00623"></a><span class="lineno"> 623</span>  {</div>
<div class="line"><a name="l00624"></a><span class="lineno"> 624</span>  <span class="keywordflow">if</span>( fwrite( p, 1, plen, fout ) != plen ||</div>
<div class="line"><a name="l00625"></a><span class="lineno"> 625</span>  fwrite( s, 1, slen, fout ) != slen )</div>
<div class="line"><a name="l00626"></a><span class="lineno"> 626</span>  <span class="keywordflow">return</span>( <a class="code" href="bignum_8h.html#a4f10c6e250b7a06f2fc01ce48a823fc8">POLARSSL_ERR_MPI_FILE_IO_ERROR</a> );</div>
<div class="line"><a name="l00627"></a><span class="lineno"> 627</span>  }</div>
<div class="line"><a name="l00628"></a><span class="lineno"> 628</span>  <span class="keywordflow">else</span></div>
<div class="line"><a name="l00629"></a><span class="lineno"> 629</span>  <a class="code" href="test__suite__aes_8cbc_8c.html#afc6a7362c0f0c9cfa8fc76b3281e2b37">polarssl_printf</a>( <span class="stringliteral">"%s%s"</span>, p, s );</div>
<div class="line"><a name="l00630"></a><span class="lineno"> 630</span> </div>
<div class="line"><a name="l00631"></a><span class="lineno"> 631</span> cleanup:</div>
<div class="line"><a name="l00632"></a><span class="lineno"> 632</span> </div>
<div class="line"><a name="l00633"></a><span class="lineno"> 633</span>  <span class="keywordflow">return</span>( ret );</div>
<div class="line"><a name="l00634"></a><span class="lineno"> 634</span> }</div>
<div class="line"><a name="l00635"></a><span class="lineno"> 635</span> <span class="preprocessor">#endif </span><span class="comment">/* POLARSSL_FS_IO */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00636"></a><span class="lineno"> 636</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00637"></a><span class="lineno"> 637</span> <span class="comment">/*</span></div>
<div class="line"><a name="l00638"></a><span class="lineno"> 638</span> <span class="comment"> * Import X from unsigned binary data, big endian</span></div>
<div class="line"><a name="l00639"></a><span class="lineno"> 639</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00640"></a><span class="lineno"> 640</span> <span class="keywordtype">int</span> <a class="code" href="bignum_8h.html#a0235008cccbf00b8bc03699de8094819">mpi_read_binary</a>( <a class="code" href="structmpi.html">mpi</a> *X, <span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *buf, <span class="keywordtype">size_t</span> buflen )</div>
<div class="line"><a name="l00641"></a><span class="lineno"> 641</span> {</div>
<div class="line"><a name="l00642"></a><span class="lineno"> 642</span>  <span class="keywordtype">int</span> ret;</div>
<div class="line"><a name="l00643"></a><span class="lineno"> 643</span>  <span class="keywordtype">size_t</span> i, j, n;</div>
<div class="line"><a name="l00644"></a><span class="lineno"> 644</span> </div>
<div class="line"><a name="l00645"></a><span class="lineno"> 645</span>  <span class="keywordflow">for</span>( n = 0; n < buflen; n++ )</div>
<div class="line"><a name="l00646"></a><span class="lineno"> 646</span>  <span class="keywordflow">if</span>( buf[n] != 0 )</div>
<div class="line"><a name="l00647"></a><span class="lineno"> 647</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00648"></a><span class="lineno"> 648</span> </div>
<div class="line"><a name="l00649"></a><span class="lineno"> 649</span>  <a class="code" href="bignum_8h.html#a024b186dd3608bcbcfc9dd36212a18ec">MPI_CHK</a>( <a class="code" href="bignum_8h.html#ac585f00fc9be270de074e8fbfb508d6a">mpi_grow</a>( X, CHARS_TO_LIMBS( buflen - n ) ) );</div>
<div class="line"><a name="l00650"></a><span class="lineno"> 650</span>  <a class="code" href="bignum_8h.html#a024b186dd3608bcbcfc9dd36212a18ec">MPI_CHK</a>( <a class="code" href="bignum_8h.html#a007d6236aebb0ff4a3d92ce8f525a3ae">mpi_lset</a>( X, 0 ) );</div>
<div class="line"><a name="l00651"></a><span class="lineno"> 651</span> </div>
<div class="line"><a name="l00652"></a><span class="lineno"> 652</span>  <span class="keywordflow">for</span>( i = buflen, j = 0; i > n; i--, j++ )</div>
<div class="line"><a name="l00653"></a><span class="lineno"> 653</span>  X-><a class="code" href="structmpi.html#aaeeabe339c1cc40d05bdb026666404f8">p</a>[j / ciL] |= ((<a class="code" href="bignum_8h.html#ad5d1464f801a0e7d2ed32a8f8dc2ccc9">t_uint</a>) buf[i - 1]) << ((j % ciL) << 3);</div>
<div class="line"><a name="l00654"></a><span class="lineno"> 654</span> </div>
<div class="line"><a name="l00655"></a><span class="lineno"> 655</span> cleanup:</div>
<div class="line"><a name="l00656"></a><span class="lineno"> 656</span> </div>
<div class="line"><a name="l00657"></a><span class="lineno"> 657</span>  <span class="keywordflow">return</span>( ret );</div>
<div class="line"><a name="l00658"></a><span class="lineno"> 658</span> }</div>
<div class="line"><a name="l00659"></a><span class="lineno"> 659</span> </div>
<div class="line"><a name="l00660"></a><span class="lineno"> 660</span> <span class="comment">/*</span></div>
<div class="line"><a name="l00661"></a><span class="lineno"> 661</span> <span class="comment"> * Export X into unsigned binary data, big endian</span></div>
<div class="line"><a name="l00662"></a><span class="lineno"> 662</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00663"></a><span class="lineno"> 663</span> <span class="keywordtype">int</span> <a class="code" href="bignum_8h.html#a5d464b4312859ce4969d114eb5e02741">mpi_write_binary</a>( <span class="keyword">const</span> <a class="code" href="structmpi.html">mpi</a> *X, <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *buf, <span class="keywordtype">size_t</span> buflen )</div>
<div class="line"><a name="l00664"></a><span class="lineno"> 664</span> {</div>
<div class="line"><a name="l00665"></a><span class="lineno"> 665</span>  <span class="keywordtype">size_t</span> i, j, n;</div>
<div class="line"><a name="l00666"></a><span class="lineno"> 666</span> </div>
<div class="line"><a name="l00667"></a><span class="lineno"> 667</span>  n = <a class="code" href="bignum_8h.html#a8aa3a3d3aac9e49879ea8cd308859d23">mpi_size</a>( X );</div>
<div class="line"><a name="l00668"></a><span class="lineno"> 668</span> </div>
<div class="line"><a name="l00669"></a><span class="lineno"> 669</span>  <span class="keywordflow">if</span>( buflen < n )</div>
<div class="line"><a name="l00670"></a><span class="lineno"> 670</span>  <span class="keywordflow">return</span>( <a class="code" href="bignum_8h.html#ab0139fd8e0536a4bd1da18c9ea5bcb84">POLARSSL_ERR_MPI_BUFFER_TOO_SMALL</a> );</div>
<div class="line"><a name="l00671"></a><span class="lineno"> 671</span> </div>
<div class="line"><a name="l00672"></a><span class="lineno"> 672</span>  memset( buf, 0, buflen );</div>
<div class="line"><a name="l00673"></a><span class="lineno"> 673</span> </div>
<div class="line"><a name="l00674"></a><span class="lineno"> 674</span>  <span class="keywordflow">for</span>( i = buflen - 1, j = 0; n > 0; i--, j++, n-- )</div>
<div class="line"><a name="l00675"></a><span class="lineno"> 675</span>  buf[i] = (<span class="keywordtype">unsigned</span> <span class="keywordtype">char</span>)( X-><a class="code" href="structmpi.html#aaeeabe339c1cc40d05bdb026666404f8">p</a>[j / ciL] >> ((j % ciL) << 3) );</div>
<div class="line"><a name="l00676"></a><span class="lineno"> 676</span> </div>
<div class="line"><a name="l00677"></a><span class="lineno"> 677</span>  <span class="keywordflow">return</span>( 0 );</div>
<div class="line"><a name="l00678"></a><span class="lineno"> 678</span> }</div>
<div class="line"><a name="l00679"></a><span class="lineno"> 679</span> </div>
<div class="line"><a name="l00680"></a><span class="lineno"> 680</span> <span class="comment">/*</span></div>
<div class="line"><a name="l00681"></a><span class="lineno"> 681</span> <span class="comment"> * Left-shift: X <<= count</span></div>
<div class="line"><a name="l00682"></a><span class="lineno"> 682</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00683"></a><span class="lineno"> 683</span> <span class="keywordtype">int</span> <a class="code" href="bignum_8h.html#a17537330dbe685ca867e52479a8ef7c3">mpi_shift_l</a>( <a class="code" href="structmpi.html">mpi</a> *X, <span class="keywordtype">size_t</span> count )</div>
<div class="line"><a name="l00684"></a><span class="lineno"> 684</span> {</div>
<div class="line"><a name="l00685"></a><span class="lineno"> 685</span>  <span class="keywordtype">int</span> ret;</div>
<div class="line"><a name="l00686"></a><span class="lineno"> 686</span>  <span class="keywordtype">size_t</span> i, v0, t1;</div>
<div class="line"><a name="l00687"></a><span class="lineno"> 687</span>  <a class="code" href="bignum_8h.html#ad5d1464f801a0e7d2ed32a8f8dc2ccc9">t_uint</a> r0 = 0, r1;</div>
<div class="line"><a name="l00688"></a><span class="lineno"> 688</span> </div>
<div class="line"><a name="l00689"></a><span class="lineno"> 689</span>  v0 = count / (biL );</div>
<div class="line"><a name="l00690"></a><span class="lineno"> 690</span>  t1 = count & (biL - 1);</div>
<div class="line"><a name="l00691"></a><span class="lineno"> 691</span> </div>
<div class="line"><a name="l00692"></a><span class="lineno"> 692</span>  i = <a class="code" href="bignum_8h.html#a4d461a7bff5a31df34bbf93ec00ab886">mpi_msb</a>( X ) + count;</div>
<div class="line"><a name="l00693"></a><span class="lineno"> 693</span> </div>
<div class="line"><a name="l00694"></a><span class="lineno"> 694</span>  <span class="keywordflow">if</span>( X-><a class="code" href="structmpi.html#acc8d6d92112b326fcac7c6eff002feb1">n</a> * biL < i )</div>
<div class="line"><a name="l00695"></a><span class="lineno"> 695</span>  <a class="code" href="bignum_8h.html#a024b186dd3608bcbcfc9dd36212a18ec">MPI_CHK</a>( <a class="code" href="bignum_8h.html#ac585f00fc9be270de074e8fbfb508d6a">mpi_grow</a>( X, BITS_TO_LIMBS( i ) ) );</div>
<div class="line"><a name="l00696"></a><span class="lineno"> 696</span> </div>
<div class="line"><a name="l00697"></a><span class="lineno"> 697</span>  ret = 0;</div>
<div class="line"><a name="l00698"></a><span class="lineno"> 698</span> </div>
<div class="line"><a name="l00699"></a><span class="lineno"> 699</span>  <span class="comment">/*</span></div>
<div class="line"><a name="l00700"></a><span class="lineno"> 700</span> <span class="comment"> * shift by count / limb_size</span></div>
<div class="line"><a name="l00701"></a><span class="lineno"> 701</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00702"></a><span class="lineno"> 702</span>  <span class="keywordflow">if</span>( v0 > 0 )</div>
<div class="line"><a name="l00703"></a><span class="lineno"> 703</span>  {</div>
<div class="line"><a name="l00704"></a><span class="lineno"> 704</span>  <span class="keywordflow">for</span>( i = X-><a class="code" href="structmpi.html#acc8d6d92112b326fcac7c6eff002feb1">n</a>; i > v0; i-- )</div>
<div class="line"><a name="l00705"></a><span class="lineno"> 705</span>  X-><a class="code" href="structmpi.html#aaeeabe339c1cc40d05bdb026666404f8">p</a>[i - 1] = X-><a class="code" href="structmpi.html#aaeeabe339c1cc40d05bdb026666404f8">p</a>[i - v0 - 1];</div>
<div class="line"><a name="l00706"></a><span class="lineno"> 706</span> </div>
<div class="line"><a name="l00707"></a><span class="lineno"> 707</span>  <span class="keywordflow">for</span>( ; i > 0; i-- )</div>
<div class="line"><a name="l00708"></a><span class="lineno"> 708</span>  X-><a class="code" href="structmpi.html#aaeeabe339c1cc40d05bdb026666404f8">p</a>[i - 1] = 0;</div>
<div class="line"><a name="l00709"></a><span class="lineno"> 709</span>  }</div>
<div class="line"><a name="l00710"></a><span class="lineno"> 710</span> </div>
<div class="line"><a name="l00711"></a><span class="lineno"> 711</span>  <span class="comment">/*</span></div>
<div class="line"><a name="l00712"></a><span class="lineno"> 712</span> <span class="comment"> * shift by count % limb_size</span></div>
<div class="line"><a name="l00713"></a><span class="lineno"> 713</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00714"></a><span class="lineno"> 714</span>  <span class="keywordflow">if</span>( t1 > 0 )</div>
<div class="line"><a name="l00715"></a><span class="lineno"> 715</span>  {</div>
<div class="line"><a name="l00716"></a><span class="lineno"> 716</span>  <span class="keywordflow">for</span>( i = v0; i < X-><a class="code" href="structmpi.html#acc8d6d92112b326fcac7c6eff002feb1">n</a>; i++ )</div>
<div class="line"><a name="l00717"></a><span class="lineno"> 717</span>  {</div>
<div class="line"><a name="l00718"></a><span class="lineno"> 718</span>  r1 = X-><a class="code" href="structmpi.html#aaeeabe339c1cc40d05bdb026666404f8">p</a>[i] >> (biL - t1);</div>
<div class="line"><a name="l00719"></a><span class="lineno"> 719</span>  X-><a class="code" href="structmpi.html#aaeeabe339c1cc40d05bdb026666404f8">p</a>[i] <<= t1;</div>
<div class="line"><a name="l00720"></a><span class="lineno"> 720</span>  X-><a class="code" href="structmpi.html#aaeeabe339c1cc40d05bdb026666404f8">p</a>[i] |= r0;</div>
<div class="line"><a name="l00721"></a><span class="lineno"> 721</span>  r0 = r1;</div>
<div class="line"><a name="l00722"></a><span class="lineno"> 722</span>  }</div>
<div class="line"><a name="l00723"></a><span class="lineno"> 723</span>  }</div>
<div class="line"><a name="l00724"></a><span class="lineno"> 724</span> </div>
<div class="line"><a name="l00725"></a><span class="lineno"> 725</span> cleanup:</div>
<div class="line"><a name="l00726"></a><span class="lineno"> 726</span> </div>
<div class="line"><a name="l00727"></a><span class="lineno"> 727</span>  <span class="keywordflow">return</span>( ret );</div>
<div class="line"><a name="l00728"></a><span class="lineno"> 728</span> }</div>
<div class="line"><a name="l00729"></a><span class="lineno"> 729</span> </div>
<div class="line"><a name="l00730"></a><span class="lineno"> 730</span> <span class="comment">/*</span></div>
<div class="line"><a name="l00731"></a><span class="lineno"> 731</span> <span class="comment"> * Right-shift: X >>= count</span></div>
<div class="line"><a name="l00732"></a><span class="lineno"> 732</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00733"></a><span class="lineno"> 733</span> <span class="keywordtype">int</span> <a class="code" href="bignum_8h.html#a01de1543da79d0ad0f58916d608f6ff8">mpi_shift_r</a>( <a class="code" href="structmpi.html">mpi</a> *X, <span class="keywordtype">size_t</span> count )</div>
<div class="line"><a name="l00734"></a><span class="lineno"> 734</span> {</div>
<div class="line"><a name="l00735"></a><span class="lineno"> 735</span>  <span class="keywordtype">size_t</span> i, v0, v1;</div>
<div class="line"><a name="l00736"></a><span class="lineno"> 736</span>  <a class="code" href="bignum_8h.html#ad5d1464f801a0e7d2ed32a8f8dc2ccc9">t_uint</a> r0 = 0, r1;</div>
<div class="line"><a name="l00737"></a><span class="lineno"> 737</span> </div>
<div class="line"><a name="l00738"></a><span class="lineno"> 738</span>  v0 = count / biL;</div>
<div class="line"><a name="l00739"></a><span class="lineno"> 739</span>  v1 = count & (biL - 1);</div>
<div class="line"><a name="l00740"></a><span class="lineno"> 740</span> </div>
<div class="line"><a name="l00741"></a><span class="lineno"> 741</span>  <span class="keywordflow">if</span>( v0 > X-><a class="code" href="structmpi.html#acc8d6d92112b326fcac7c6eff002feb1">n</a> || ( v0 == X-><a class="code" href="structmpi.html#acc8d6d92112b326fcac7c6eff002feb1">n</a> && v1 > 0 ) )</div>
<div class="line"><a name="l00742"></a><span class="lineno"> 742</span>  <span class="keywordflow">return</span> <a class="code" href="bignum_8h.html#a007d6236aebb0ff4a3d92ce8f525a3ae">mpi_lset</a>( X, 0 );</div>
<div class="line"><a name="l00743"></a><span class="lineno"> 743</span> </div>
<div class="line"><a name="l00744"></a><span class="lineno"> 744</span>  <span class="comment">/*</span></div>
<div class="line"><a name="l00745"></a><span class="lineno"> 745</span> <span class="comment"> * shift by count / limb_size</span></div>
<div class="line"><a name="l00746"></a><span class="lineno"> 746</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00747"></a><span class="lineno"> 747</span>  <span class="keywordflow">if</span>( v0 > 0 )</div>
<div class="line"><a name="l00748"></a><span class="lineno"> 748</span>  {</div>
<div class="line"><a name="l00749"></a><span class="lineno"> 749</span>  <span class="keywordflow">for</span>( i = 0; i < X-><a class="code" href="structmpi.html#acc8d6d92112b326fcac7c6eff002feb1">n</a> - v0; i++ )</div>
<div class="line"><a name="l00750"></a><span class="lineno"> 750</span>  X-><a class="code" href="structmpi.html#aaeeabe339c1cc40d05bdb026666404f8">p</a>[i] = X-><a class="code" href="structmpi.html#aaeeabe339c1cc40d05bdb026666404f8">p</a>[i + v0];</div>
<div class="line"><a name="l00751"></a><span class="lineno"> 751</span> </div>
<div class="line"><a name="l00752"></a><span class="lineno"> 752</span>  <span class="keywordflow">for</span>( ; i < X->n; i++ )</div>
<div class="line"><a name="l00753"></a><span class="lineno"> 753</span>  X-><a class="code" href="structmpi.html#aaeeabe339c1cc40d05bdb026666404f8">p</a>[i] = 0;</div>
<div class="line"><a name="l00754"></a><span class="lineno"> 754</span>  }</div>
<div class="line"><a name="l00755"></a><span class="lineno"> 755</span> </div>
<div class="line"><a name="l00756"></a><span class="lineno"> 756</span>  <span class="comment">/*</span></div>
<div class="line"><a name="l00757"></a><span class="lineno"> 757</span> <span class="comment"> * shift by count % limb_size</span></div>
<div class="line"><a name="l00758"></a><span class="lineno"> 758</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00759"></a><span class="lineno"> 759</span>  <span class="keywordflow">if</span>( v1 > 0 )</div>
<div class="line"><a name="l00760"></a><span class="lineno"> 760</span>  {</div>
<div class="line"><a name="l00761"></a><span class="lineno"> 761</span>  <span class="keywordflow">for</span>( i = X-><a class="code" href="structmpi.html#acc8d6d92112b326fcac7c6eff002feb1">n</a>; i > 0; i-- )</div>
<div class="line"><a name="l00762"></a><span class="lineno"> 762</span>  {</div>
<div class="line"><a name="l00763"></a><span class="lineno"> 763</span>  r1 = X-><a class="code" href="structmpi.html#aaeeabe339c1cc40d05bdb026666404f8">p</a>[i - 1] << (biL - v1);</div>
<div class="line"><a name="l00764"></a><span class="lineno"> 764</span>  X-><a class="code" href="structmpi.html#aaeeabe339c1cc40d05bdb026666404f8">p</a>[i - 1] >>= v1;</div>
<div class="line"><a name="l00765"></a><span class="lineno"> 765</span>  X-><a class="code" href="structmpi.html#aaeeabe339c1cc40d05bdb026666404f8">p</a>[i - 1] |= r0;</div>
<div class="line"><a name="l00766"></a><span class="lineno"> 766</span>  r0 = r1;</div>
<div class="line"><a name="l00767"></a><span class="lineno"> 767</span>  }</div>
<div class="line"><a name="l00768"></a><span class="lineno"> 768</span>  }</div>
<div class="line"><a name="l00769"></a><span class="lineno"> 769</span> </div>
<div class="line"><a name="l00770"></a><span class="lineno"> 770</span>  <span class="keywordflow">return</span>( 0 );</div>
<div class="line"><a name="l00771"></a><span class="lineno"> 771</span> }</div>
<div class="line"><a name="l00772"></a><span class="lineno"> 772</span> </div>
<div class="line"><a name="l00773"></a><span class="lineno"> 773</span> <span class="comment">/*</span></div>
<div class="line"><a name="l00774"></a><span class="lineno"> 774</span> <span class="comment"> * Compare unsigned values</span></div>
<div class="line"><a name="l00775"></a><span class="lineno"> 775</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00776"></a><span class="lineno"> 776</span> <span class="keywordtype">int</span> <a class="code" href="bignum_8h.html#a6a692b3d8cd05ae753ab5a39b5634c0a">mpi_cmp_abs</a>( <span class="keyword">const</span> <a class="code" href="structmpi.html">mpi</a> *X, <span class="keyword">const</span> <a class="code" href="structmpi.html">mpi</a> *Y )</div>
<div class="line"><a name="l00777"></a><span class="lineno"> 777</span> {</div>
<div class="line"><a name="l00778"></a><span class="lineno"> 778</span>  <span class="keywordtype">size_t</span> i, j;</div>
<div class="line"><a name="l00779"></a><span class="lineno"> 779</span> </div>
<div class="line"><a name="l00780"></a><span class="lineno"> 780</span>  <span class="keywordflow">for</span>( i = X-><a class="code" href="structmpi.html#acc8d6d92112b326fcac7c6eff002feb1">n</a>; i > 0; i-- )</div>
<div class="line"><a name="l00781"></a><span class="lineno"> 781</span>  <span class="keywordflow">if</span>( X-><a class="code" href="structmpi.html#aaeeabe339c1cc40d05bdb026666404f8">p</a>[i - 1] != 0 )</div>
<div class="line"><a name="l00782"></a><span class="lineno"> 782</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00783"></a><span class="lineno"> 783</span> </div>
<div class="line"><a name="l00784"></a><span class="lineno"> 784</span>  <span class="keywordflow">for</span>( j = Y-><a class="code" href="structmpi.html#acc8d6d92112b326fcac7c6eff002feb1">n</a>; j > 0; j-- )</div>
<div class="line"><a name="l00785"></a><span class="lineno"> 785</span>  <span class="keywordflow">if</span>( Y-><a class="code" href="structmpi.html#aaeeabe339c1cc40d05bdb026666404f8">p</a>[j - 1] != 0 )</div>
<div class="line"><a name="l00786"></a><span class="lineno"> 786</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00787"></a><span class="lineno"> 787</span> </div>
<div class="line"><a name="l00788"></a><span class="lineno"> 788</span>  <span class="keywordflow">if</span>( i == 0 && j == 0 )</div>
<div class="line"><a name="l00789"></a><span class="lineno"> 789</span>  <span class="keywordflow">return</span>( 0 );</div>
<div class="line"><a name="l00790"></a><span class="lineno"> 790</span> </div>
<div class="line"><a name="l00791"></a><span class="lineno"> 791</span>  <span class="keywordflow">if</span>( i > j ) <span class="keywordflow">return</span>( 1 );</div>
<div class="line"><a name="l00792"></a><span class="lineno"> 792</span>  <span class="keywordflow">if</span>( j > i ) <span class="keywordflow">return</span>( -1 );</div>
<div class="line"><a name="l00793"></a><span class="lineno"> 793</span> </div>
<div class="line"><a name="l00794"></a><span class="lineno"> 794</span>  <span class="keywordflow">for</span>( ; i > 0; i-- )</div>
<div class="line"><a name="l00795"></a><span class="lineno"> 795</span>  {</div>
<div class="line"><a name="l00796"></a><span class="lineno"> 796</span>  <span class="keywordflow">if</span>( X-><a class="code" href="structmpi.html#aaeeabe339c1cc40d05bdb026666404f8">p</a>[i - 1] > Y-><a class="code" href="structmpi.html#aaeeabe339c1cc40d05bdb026666404f8">p</a>[i - 1] ) <span class="keywordflow">return</span>( 1 );</div>
<div class="line"><a name="l00797"></a><span class="lineno"> 797</span>  <span class="keywordflow">if</span>( X-><a class="code" href="structmpi.html#aaeeabe339c1cc40d05bdb026666404f8">p</a>[i - 1] < Y-><a class="code" href="structmpi.html#aaeeabe339c1cc40d05bdb026666404f8">p</a>[i - 1] ) <span class="keywordflow">return</span>( -1 );</div>
<div class="line"><a name="l00798"></a><span class="lineno"> 798</span>  }</div>
<div class="line"><a name="l00799"></a><span class="lineno"> 799</span> </div>
<div class="line"><a name="l00800"></a><span class="lineno"> 800</span>  <span class="keywordflow">return</span>( 0 );</div>
<div class="line"><a name="l00801"></a><span class="lineno"> 801</span> }</div>
<div class="line"><a name="l00802"></a><span class="lineno"> 802</span> </div>
<div class="line"><a name="l00803"></a><span class="lineno"> 803</span> <span class="comment">/*</span></div>
<div class="line"><a name="l00804"></a><span class="lineno"> 804</span> <span class="comment"> * Compare signed values</span></div>
<div class="line"><a name="l00805"></a><span class="lineno"> 805</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00806"></a><span class="lineno"> 806</span> <span class="keywordtype">int</span> <a class="code" href="bignum_8h.html#aec20dff9d78738e3c80b212df9875b83">mpi_cmp_mpi</a>( <span class="keyword">const</span> <a class="code" href="structmpi.html">mpi</a> *X, <span class="keyword">const</span> <a class="code" href="structmpi.html">mpi</a> *Y )</div>
<div class="line"><a name="l00807"></a><span class="lineno"> 807</span> {</div>
<div class="line"><a name="l00808"></a><span class="lineno"> 808</span>  <span class="keywordtype">size_t</span> i, j;</div>
<div class="line"><a name="l00809"></a><span class="lineno"> 809</span> </div>
<div class="line"><a name="l00810"></a><span class="lineno"> 810</span>  <span class="keywordflow">for</span>( i = X-><a class="code" href="structmpi.html#acc8d6d92112b326fcac7c6eff002feb1">n</a>; i > 0; i-- )</div>
<div class="line"><a name="l00811"></a><span class="lineno"> 811</span>  <span class="keywordflow">if</span>( X-><a class="code" href="structmpi.html#aaeeabe339c1cc40d05bdb026666404f8">p</a>[i - 1] != 0 )</div>
<div class="line"><a name="l00812"></a><span class="lineno"> 812</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00813"></a><span class="lineno"> 813</span> </div>
<div class="line"><a name="l00814"></a><span class="lineno"> 814</span>  <span class="keywordflow">for</span>( j = Y-><a class="code" href="structmpi.html#acc8d6d92112b326fcac7c6eff002feb1">n</a>; j > 0; j-- )</div>
<div class="line"><a name="l00815"></a><span class="lineno"> 815</span>  <span class="keywordflow">if</span>( Y-><a class="code" href="structmpi.html#aaeeabe339c1cc40d05bdb026666404f8">p</a>[j - 1] != 0 )</div>
<div class="line"><a name="l00816"></a><span class="lineno"> 816</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00817"></a><span class="lineno"> 817</span> </div>
<div class="line"><a name="l00818"></a><span class="lineno"> 818</span>  <span class="keywordflow">if</span>( i == 0 && j == 0 )</div>
<div class="line"><a name="l00819"></a><span class="lineno"> 819</span>  <span class="keywordflow">return</span>( 0 );</div>
<div class="line"><a name="l00820"></a><span class="lineno"> 820</span> </div>
<div class="line"><a name="l00821"></a><span class="lineno"> 821</span>  <span class="keywordflow">if</span>( i > j ) <span class="keywordflow">return</span>( X-><a class="code" href="structmpi.html#ad44e921903bdc7fcc1cadad14784a59a">s</a> );</div>
<div class="line"><a name="l00822"></a><span class="lineno"> 822</span>  <span class="keywordflow">if</span>( j > i ) <span class="keywordflow">return</span>( -Y-><a class="code" href="structmpi.html#ad44e921903bdc7fcc1cadad14784a59a">s</a> );</div>
<div class="line"><a name="l00823"></a><span class="lineno"> 823</span> </div>
<div class="line"><a name="l00824"></a><span class="lineno"> 824</span>  <span class="keywordflow">if</span>( X-><a class="code" href="structmpi.html#ad44e921903bdc7fcc1cadad14784a59a">s</a> > 0 && Y-><a class="code" href="structmpi.html#ad44e921903bdc7fcc1cadad14784a59a">s</a> < 0 ) <span class="keywordflow">return</span>( 1 );</div>
<div class="line"><a name="l00825"></a><span class="lineno"> 825</span>  <span class="keywordflow">if</span>( Y-><a class="code" href="structmpi.html#ad44e921903bdc7fcc1cadad14784a59a">s</a> > 0 && X-><a class="code" href="structmpi.html#ad44e921903bdc7fcc1cadad14784a59a">s</a> < 0 ) <span class="keywordflow">return</span>( -1 );</div>
<div class="line"><a name="l00826"></a><span class="lineno"> 826</span> </div>
<div class="line"><a name="l00827"></a><span class="lineno"> 827</span>  <span class="keywordflow">for</span>( ; i > 0; i-- )</div>
<div class="line"><a name="l00828"></a><span class="lineno"> 828</span>  {</div>
<div class="line"><a name="l00829"></a><span class="lineno"> 829</span>  <span class="keywordflow">if</span>( X-><a class="code" href="structmpi.html#aaeeabe339c1cc40d05bdb026666404f8">p</a>[i - 1] > Y-><a class="code" href="structmpi.html#aaeeabe339c1cc40d05bdb026666404f8">p</a>[i - 1] ) <span class="keywordflow">return</span>( X-><a class="code" href="structmpi.html#ad44e921903bdc7fcc1cadad14784a59a">s</a> );</div>
<div class="line"><a name="l00830"></a><span class="lineno"> 830</span>  <span class="keywordflow">if</span>( X-><a class="code" href="structmpi.html#aaeeabe339c1cc40d05bdb026666404f8">p</a>[i - 1] < Y-><a class="code" href="structmpi.html#aaeeabe339c1cc40d05bdb026666404f8">p</a>[i - 1] ) <span class="keywordflow">return</span>( -X-><a class="code" href="structmpi.html#ad44e921903bdc7fcc1cadad14784a59a">s</a> );</div>
<div class="line"><a name="l00831"></a><span class="lineno"> 831</span>  }</div>
<div class="line"><a name="l00832"></a><span class="lineno"> 832</span> </div>
<div class="line"><a name="l00833"></a><span class="lineno"> 833</span>  <span class="keywordflow">return</span>( 0 );</div>
<div class="line"><a name="l00834"></a><span class="lineno"> 834</span> }</div>
<div class="line"><a name="l00835"></a><span class="lineno"> 835</span> </div>
<div class="line"><a name="l00836"></a><span class="lineno"> 836</span> <span class="comment">/*</span></div>
<div class="line"><a name="l00837"></a><span class="lineno"> 837</span> <span class="comment"> * Compare signed values</span></div>
<div class="line"><a name="l00838"></a><span class="lineno"> 838</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00839"></a><span class="lineno"> 839</span> <span class="keywordtype">int</span> <a class="code" href="bignum_8h.html#aee6dc030f0fa278c1576c457088b4910">mpi_cmp_int</a>( <span class="keyword">const</span> <a class="code" href="structmpi.html">mpi</a> *X, <a class="code" href="bignum_8h.html#abbc933ccc2d1d02925e6886d9b4f5873">t_sint</a> z )</div>
<div class="line"><a name="l00840"></a><span class="lineno"> 840</span> {</div>
<div class="line"><a name="l00841"></a><span class="lineno"> 841</span>  <a class="code" href="structmpi.html">mpi</a> Y;</div>
<div class="line"><a name="l00842"></a><span class="lineno"> 842</span>  <a class="code" href="bignum_8h.html#ad5d1464f801a0e7d2ed32a8f8dc2ccc9">t_uint</a> p[1];</div>
<div class="line"><a name="l00843"></a><span class="lineno"> 843</span> </div>
<div class="line"><a name="l00844"></a><span class="lineno"> 844</span>  *p = ( z < 0 ) ? -z : z;</div>
<div class="line"><a name="l00845"></a><span class="lineno"> 845</span>  Y.<a class="code" href="structmpi.html#ad44e921903bdc7fcc1cadad14784a59a">s</a> = ( z < 0 ) ? -1 : 1;</div>
<div class="line"><a name="l00846"></a><span class="lineno"> 846</span>  Y.<a class="code" href="structmpi.html#acc8d6d92112b326fcac7c6eff002feb1">n</a> = 1;</div>
<div class="line"><a name="l00847"></a><span class="lineno"> 847</span>  Y.<a class="code" href="structmpi.html#aaeeabe339c1cc40d05bdb026666404f8">p</a> = p;</div>
<div class="line"><a name="l00848"></a><span class="lineno"> 848</span> </div>
<div class="line"><a name="l00849"></a><span class="lineno"> 849</span>  <span class="keywordflow">return</span>( <a class="code" href="bignum_8h.html#aec20dff9d78738e3c80b212df9875b83">mpi_cmp_mpi</a>( X, &Y ) );</div>
<div class="line"><a name="l00850"></a><span class="lineno"> 850</span> }</div>
<div class="line"><a name="l00851"></a><span class="lineno"> 851</span> </div>
<div class="line"><a name="l00852"></a><span class="lineno"> 852</span> <span class="comment">/*</span></div>
<div class="line"><a name="l00853"></a><span class="lineno"> 853</span> <span class="comment"> * Unsigned addition: X = |A| + |B| (HAC 14.7)</span></div>
<div class="line"><a name="l00854"></a><span class="lineno"> 854</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00855"></a><span class="lineno"> 855</span> <span class="keywordtype">int</span> <a class="code" href="bignum_8h.html#a5d1cf13ed3c825b61e0b04085ec30f40">mpi_add_abs</a>( <a class="code" href="structmpi.html">mpi</a> *X, <span class="keyword">const</span> <a class="code" href="structmpi.html">mpi</a> *A, <span class="keyword">const</span> <a class="code" href="structmpi.html">mpi</a> *B )</div>
<div class="line"><a name="l00856"></a><span class="lineno"> 856</span> {</div>
<div class="line"><a name="l00857"></a><span class="lineno"> 857</span>  <span class="keywordtype">int</span> ret;</div>
<div class="line"><a name="l00858"></a><span class="lineno"> 858</span>  <span class="keywordtype">size_t</span> i, j;</div>
<div class="line"><a name="l00859"></a><span class="lineno"> 859</span>  <a class="code" href="bignum_8h.html#ad5d1464f801a0e7d2ed32a8f8dc2ccc9">t_uint</a> *o, *p, c;</div>
<div class="line"><a name="l00860"></a><span class="lineno"> 860</span> </div>
<div class="line"><a name="l00861"></a><span class="lineno"> 861</span>  <span class="keywordflow">if</span>( X == B )</div>
<div class="line"><a name="l00862"></a><span class="lineno"> 862</span>  {</div>
<div class="line"><a name="l00863"></a><span class="lineno"> 863</span>  <span class="keyword">const</span> <a class="code" href="structmpi.html">mpi</a> *T = A; A = X; B = T;</div>
<div class="line"><a name="l00864"></a><span class="lineno"> 864</span>  }</div>
<div class="line"><a name="l00865"></a><span class="lineno"> 865</span> </div>
<div class="line"><a name="l00866"></a><span class="lineno"> 866</span>  <span class="keywordflow">if</span>( X != A )</div>
<div class="line"><a name="l00867"></a><span class="lineno"> 867</span>  <a class="code" href="bignum_8h.html#a024b186dd3608bcbcfc9dd36212a18ec">MPI_CHK</a>( <a class="code" href="bignum_8h.html#a6fbcce39a9d92d9e2a560f8aa6a810f4">mpi_copy</a>( X, A ) );</div>
<div class="line"><a name="l00868"></a><span class="lineno"> 868</span> </div>
<div class="line"><a name="l00869"></a><span class="lineno"> 869</span>  <span class="comment">/*</span></div>
<div class="line"><a name="l00870"></a><span class="lineno"> 870</span> <span class="comment"> * X should always be positive as a result of unsigned additions.</span></div>
<div class="line"><a name="l00871"></a><span class="lineno"> 871</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00872"></a><span class="lineno"> 872</span>  X-><a class="code" href="structmpi.html#ad44e921903bdc7fcc1cadad14784a59a">s</a> = 1;</div>
<div class="line"><a name="l00873"></a><span class="lineno"> 873</span> </div>
<div class="line"><a name="l00874"></a><span class="lineno"> 874</span>  <span class="keywordflow">for</span>( j = B-><a class="code" href="structmpi.html#acc8d6d92112b326fcac7c6eff002feb1">n</a>; j > 0; j-- )</div>
<div class="line"><a name="l00875"></a><span class="lineno"> 875</span>  <span class="keywordflow">if</span>( B-><a class="code" href="structmpi.html#aaeeabe339c1cc40d05bdb026666404f8">p</a>[j - 1] != 0 )</div>
<div class="line"><a name="l00876"></a><span class="lineno"> 876</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00877"></a><span class="lineno"> 877</span> </div>
<div class="line"><a name="l00878"></a><span class="lineno"> 878</span>  <a class="code" href="bignum_8h.html#a024b186dd3608bcbcfc9dd36212a18ec">MPI_CHK</a>( <a class="code" href="bignum_8h.html#ac585f00fc9be270de074e8fbfb508d6a">mpi_grow</a>( X, j ) );</div>
<div class="line"><a name="l00879"></a><span class="lineno"> 879</span> </div>
<div class="line"><a name="l00880"></a><span class="lineno"> 880</span>  o = B-><a class="code" href="structmpi.html#aaeeabe339c1cc40d05bdb026666404f8">p</a>; p = X-><a class="code" href="structmpi.html#aaeeabe339c1cc40d05bdb026666404f8">p</a>; c = 0;</div>
<div class="line"><a name="l00881"></a><span class="lineno"> 881</span> </div>
<div class="line"><a name="l00882"></a><span class="lineno"> 882</span>  <span class="keywordflow">for</span>( i = 0; i < j; i++, o++, p++ )</div>
<div class="line"><a name="l00883"></a><span class="lineno"> 883</span>  {</div>
<div class="line"><a name="l00884"></a><span class="lineno"> 884</span>  *p += c; c = ( *p < c );</div>
<div class="line"><a name="l00885"></a><span class="lineno"> 885</span>  *p += *o; c += ( *p < *o );</div>
<div class="line"><a name="l00886"></a><span class="lineno"> 886</span>  }</div>
<div class="line"><a name="l00887"></a><span class="lineno"> 887</span> </div>
<div class="line"><a name="l00888"></a><span class="lineno"> 888</span>  <span class="keywordflow">while</span>( c != 0 )</div>
<div class="line"><a name="l00889"></a><span class="lineno"> 889</span>  {</div>
<div class="line"><a name="l00890"></a><span class="lineno"> 890</span>  <span class="keywordflow">if</span>( i >= X-><a class="code" href="structmpi.html#acc8d6d92112b326fcac7c6eff002feb1">n</a> )</div>
<div class="line"><a name="l00891"></a><span class="lineno"> 891</span>  {</div>
<div class="line"><a name="l00892"></a><span class="lineno"> 892</span>  <a class="code" href="bignum_8h.html#a024b186dd3608bcbcfc9dd36212a18ec">MPI_CHK</a>( <a class="code" href="bignum_8h.html#ac585f00fc9be270de074e8fbfb508d6a">mpi_grow</a>( X, i + 1 ) );</div>
<div class="line"><a name="l00893"></a><span class="lineno"> 893</span>  p = X-><a class="code" href="structmpi.html#aaeeabe339c1cc40d05bdb026666404f8">p</a> + i;</div>
<div class="line"><a name="l00894"></a><span class="lineno"> 894</span>  }</div>
<div class="line"><a name="l00895"></a><span class="lineno"> 895</span> </div>
<div class="line"><a name="l00896"></a><span class="lineno"> 896</span>  *p += c; c = ( *p < c ); i++; p++;</div>
<div class="line"><a name="l00897"></a><span class="lineno"> 897</span>  }</div>
<div class="line"><a name="l00898"></a><span class="lineno"> 898</span> </div>
<div class="line"><a name="l00899"></a><span class="lineno"> 899</span> cleanup:</div>
<div class="line"><a name="l00900"></a><span class="lineno"> 900</span> </div>
<div class="line"><a name="l00901"></a><span class="lineno"> 901</span>  <span class="keywordflow">return</span>( ret );</div>
<div class="line"><a name="l00902"></a><span class="lineno"> 902</span> }</div>
<div class="line"><a name="l00903"></a><span class="lineno"> 903</span> </div>
<div class="line"><a name="l00904"></a><span class="lineno"> 904</span> <span class="comment">/*</span></div>
<div class="line"><a name="l00905"></a><span class="lineno"> 905</span> <span class="comment"> * Helper for mpi subtraction</span></div>
<div class="line"><a name="l00906"></a><span class="lineno"> 906</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00907"></a><span class="lineno"> 907</span> <span class="keyword">static</span> <span class="keywordtype">void</span> mpi_sub_hlp( <span class="keywordtype">size_t</span> n, <a class="code" href="bignum_8h.html#ad5d1464f801a0e7d2ed32a8f8dc2ccc9">t_uint</a> *s, <a class="code" href="bignum_8h.html#ad5d1464f801a0e7d2ed32a8f8dc2ccc9">t_uint</a> *d )</div>
<div class="line"><a name="l00908"></a><span class="lineno"> 908</span> {</div>
<div class="line"><a name="l00909"></a><span class="lineno"> 909</span>  <span class="keywordtype">size_t</span> i;</div>
<div class="line"><a name="l00910"></a><span class="lineno"> 910</span>  <a class="code" href="bignum_8h.html#ad5d1464f801a0e7d2ed32a8f8dc2ccc9">t_uint</a> c, z;</div>
<div class="line"><a name="l00911"></a><span class="lineno"> 911</span> </div>
<div class="line"><a name="l00912"></a><span class="lineno"> 912</span>  <span class="keywordflow">for</span>( i = c = 0; i < n; i++, s++, d++ )</div>
<div class="line"><a name="l00913"></a><span class="lineno"> 913</span>  {</div>
<div class="line"><a name="l00914"></a><span class="lineno"> 914</span>  z = ( *d < c ); *d -= c;</div>
<div class="line"><a name="l00915"></a><span class="lineno"> 915</span>  c = ( *d < *s ) + z; *d -= *s;</div>
<div class="line"><a name="l00916"></a><span class="lineno"> 916</span>  }</div>
<div class="line"><a name="l00917"></a><span class="lineno"> 917</span> </div>
<div class="line"><a name="l00918"></a><span class="lineno"> 918</span>  <span class="keywordflow">while</span>( c != 0 )</div>
<div class="line"><a name="l00919"></a><span class="lineno"> 919</span>  {</div>
<div class="line"><a name="l00920"></a><span class="lineno"> 920</span>  z = ( *d < c ); *d -= c;</div>
<div class="line"><a name="l00921"></a><span class="lineno"> 921</span>  c = z; i++; d++;</div>
<div class="line"><a name="l00922"></a><span class="lineno"> 922</span>  }</div>
<div class="line"><a name="l00923"></a><span class="lineno"> 923</span> }</div>
<div class="line"><a name="l00924"></a><span class="lineno"> 924</span> </div>
<div class="line"><a name="l00925"></a><span class="lineno"> 925</span> <span class="comment">/*</span></div>
<div class="line"><a name="l00926"></a><span class="lineno"> 926</span> <span class="comment"> * Unsigned subtraction: X = |A| - |B| (HAC 14.9)</span></div>
<div class="line"><a name="l00927"></a><span class="lineno"> 927</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00928"></a><span class="lineno"> 928</span> <span class="keywordtype">int</span> <a class="code" href="bignum_8h.html#a19d09ef62c09539feb7f9b3045cfb1fe">mpi_sub_abs</a>( <a class="code" href="structmpi.html">mpi</a> *X, <span class="keyword">const</span> <a class="code" href="structmpi.html">mpi</a> *A, <span class="keyword">const</span> <a class="code" href="structmpi.html">mpi</a> *B )</div>
<div class="line"><a name="l00929"></a><span class="lineno"> 929</span> {</div>
<div class="line"><a name="l00930"></a><span class="lineno"> 930</span>  <a class="code" href="structmpi.html">mpi</a> TB;</div>
<div class="line"><a name="l00931"></a><span class="lineno"> 931</span>  <span class="keywordtype">int</span> ret;</div>
<div class="line"><a name="l00932"></a><span class="lineno"> 932</span>  <span class="keywordtype">size_t</span> n;</div>
<div class="line"><a name="l00933"></a><span class="lineno"> 933</span> </div>
<div class="line"><a name="l00934"></a><span class="lineno"> 934</span>  <span class="keywordflow">if</span>( <a class="code" href="bignum_8h.html#a6a692b3d8cd05ae753ab5a39b5634c0a">mpi_cmp_abs</a>( A, B ) < 0 )</div>
<div class="line"><a name="l00935"></a><span class="lineno"> 935</span>  <span class="keywordflow">return</span>( <a class="code" href="bignum_8h.html#afbbffbd20b56d2b8f3db8edf76cdbdb4">POLARSSL_ERR_MPI_NEGATIVE_VALUE</a> );</div>
<div class="line"><a name="l00936"></a><span class="lineno"> 936</span> </div>
<div class="line"><a name="l00937"></a><span class="lineno"> 937</span>  <a class="code" href="bignum_8h.html#a201666869f65225d6535bcc697f95c9b">mpi_init</a>( &TB );</div>
<div class="line"><a name="l00938"></a><span class="lineno"> 938</span> </div>
<div class="line"><a name="l00939"></a><span class="lineno"> 939</span>  <span class="keywordflow">if</span>( X == B )</div>
<div class="line"><a name="l00940"></a><span class="lineno"> 940</span>  {</div>
<div class="line"><a name="l00941"></a><span class="lineno"> 941</span>  <a class="code" href="bignum_8h.html#a024b186dd3608bcbcfc9dd36212a18ec">MPI_CHK</a>( <a class="code" href="bignum_8h.html#a6fbcce39a9d92d9e2a560f8aa6a810f4">mpi_copy</a>( &TB, B ) );</div>
<div class="line"><a name="l00942"></a><span class="lineno"> 942</span>  B = &TB;</div>
<div class="line"><a name="l00943"></a><span class="lineno"> 943</span>  }</div>
<div class="line"><a name="l00944"></a><span class="lineno"> 944</span> </div>
<div class="line"><a name="l00945"></a><span class="lineno"> 945</span>  <span class="keywordflow">if</span>( X != A )</div>
<div class="line"><a name="l00946"></a><span class="lineno"> 946</span>  <a class="code" href="bignum_8h.html#a024b186dd3608bcbcfc9dd36212a18ec">MPI_CHK</a>( <a class="code" href="bignum_8h.html#a6fbcce39a9d92d9e2a560f8aa6a810f4">mpi_copy</a>( X, A ) );</div>
<div class="line"><a name="l00947"></a><span class="lineno"> 947</span> </div>
<div class="line"><a name="l00948"></a><span class="lineno"> 948</span>  <span class="comment">/*</span></div>
<div class="line"><a name="l00949"></a><span class="lineno"> 949</span> <span class="comment"> * X should always be positive as a result of unsigned subtractions.</span></div>
<div class="line"><a name="l00950"></a><span class="lineno"> 950</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00951"></a><span class="lineno"> 951</span>  X-><a class="code" href="structmpi.html#ad44e921903bdc7fcc1cadad14784a59a">s</a> = 1;</div>
<div class="line"><a name="l00952"></a><span class="lineno"> 952</span> </div>
<div class="line"><a name="l00953"></a><span class="lineno"> 953</span>  ret = 0;</div>
<div class="line"><a name="l00954"></a><span class="lineno"> 954</span> </div>
<div class="line"><a name="l00955"></a><span class="lineno"> 955</span>  <span class="keywordflow">for</span>( n = B-><a class="code" href="structmpi.html#acc8d6d92112b326fcac7c6eff002feb1">n</a>; n > 0; n-- )</div>
<div class="line"><a name="l00956"></a><span class="lineno"> 956</span>  <span class="keywordflow">if</span>( B-><a class="code" href="structmpi.html#aaeeabe339c1cc40d05bdb026666404f8">p</a>[n - 1] != 0 )</div>
<div class="line"><a name="l00957"></a><span class="lineno"> 957</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00958"></a><span class="lineno"> 958</span> </div>
<div class="line"><a name="l00959"></a><span class="lineno"> 959</span>  mpi_sub_hlp( n, B-><a class="code" href="structmpi.html#aaeeabe339c1cc40d05bdb026666404f8">p</a>, X-><a class="code" href="structmpi.html#aaeeabe339c1cc40d05bdb026666404f8">p</a> );</div>
<div class="line"><a name="l00960"></a><span class="lineno"> 960</span> </div>
<div class="line"><a name="l00961"></a><span class="lineno"> 961</span> cleanup:</div>
<div class="line"><a name="l00962"></a><span class="lineno"> 962</span> </div>
<div class="line"><a name="l00963"></a><span class="lineno"> 963</span>  <a class="code" href="bignum_8h.html#ae1f6507671587755e46bbf0afcae6a8c">mpi_free</a>( &TB );</div>
<div class="line"><a name="l00964"></a><span class="lineno"> 964</span> </div>
<div class="line"><a name="l00965"></a><span class="lineno"> 965</span>  <span class="keywordflow">return</span>( ret );</div>
<div class="line"><a name="l00966"></a><span class="lineno"> 966</span> }</div>
<div class="line"><a name="l00967"></a><span class="lineno"> 967</span> </div>
<div class="line"><a name="l00968"></a><span class="lineno"> 968</span> <span class="comment">/*</span></div>
<div class="line"><a name="l00969"></a><span class="lineno"> 969</span> <span class="comment"> * Signed addition: X = A + B</span></div>
<div class="line"><a name="l00970"></a><span class="lineno"> 970</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00971"></a><span class="lineno"> 971</span> <span class="keywordtype">int</span> <a class="code" href="bignum_8h.html#adf5b20e8d8c0a660e4f59f859a0bee18">mpi_add_mpi</a>( <a class="code" href="structmpi.html">mpi</a> *X, <span class="keyword">const</span> <a class="code" href="structmpi.html">mpi</a> *A, <span class="keyword">const</span> <a class="code" href="structmpi.html">mpi</a> *B )</div>
<div class="line"><a name="l00972"></a><span class="lineno"> 972</span> {</div>
<div class="line"><a name="l00973"></a><span class="lineno"> 973</span>  <span class="keywordtype">int</span> ret, s = A-><a class="code" href="structmpi.html#ad44e921903bdc7fcc1cadad14784a59a">s</a>;</div>
<div class="line"><a name="l00974"></a><span class="lineno"> 974</span> </div>
<div class="line"><a name="l00975"></a><span class="lineno"> 975</span>  <span class="keywordflow">if</span>( A-><a class="code" href="structmpi.html#ad44e921903bdc7fcc1cadad14784a59a">s</a> * B-><a class="code" href="structmpi.html#ad44e921903bdc7fcc1cadad14784a59a">s</a> < 0 )</div>
<div class="line"><a name="l00976"></a><span class="lineno"> 976</span>  {</div>
<div class="line"><a name="l00977"></a><span class="lineno"> 977</span>  <span class="keywordflow">if</span>( <a class="code" href="bignum_8h.html#a6a692b3d8cd05ae753ab5a39b5634c0a">mpi_cmp_abs</a>( A, B ) >= 0 )</div>
<div class="line"><a name="l00978"></a><span class="lineno"> 978</span>  {</div>
<div class="line"><a name="l00979"></a><span class="lineno"> 979</span>  <a class="code" href="bignum_8h.html#a024b186dd3608bcbcfc9dd36212a18ec">MPI_CHK</a>( <a class="code" href="bignum_8h.html#a19d09ef62c09539feb7f9b3045cfb1fe">mpi_sub_abs</a>( X, A, B ) );</div>
<div class="line"><a name="l00980"></a><span class="lineno"> 980</span>  X-><a class="code" href="structmpi.html#ad44e921903bdc7fcc1cadad14784a59a">s</a> = s;</div>
<div class="line"><a name="l00981"></a><span class="lineno"> 981</span>  }</div>
<div class="line"><a name="l00982"></a><span class="lineno"> 982</span>  <span class="keywordflow">else</span></div>
<div class="line"><a name="l00983"></a><span class="lineno"> 983</span>  {</div>
<div class="line"><a name="l00984"></a><span class="lineno"> 984</span>  <a class="code" href="bignum_8h.html#a024b186dd3608bcbcfc9dd36212a18ec">MPI_CHK</a>( <a class="code" href="bignum_8h.html#a19d09ef62c09539feb7f9b3045cfb1fe">mpi_sub_abs</a>( X, B, A ) );</div>
<div class="line"><a name="l00985"></a><span class="lineno"> 985</span>  X-><a class="code" href="structmpi.html#ad44e921903bdc7fcc1cadad14784a59a">s</a> = -s;</div>
<div class="line"><a name="l00986"></a><span class="lineno"> 986</span>  }</div>
<div class="line"><a name="l00987"></a><span class="lineno"> 987</span>  }</div>
<div class="line"><a name="l00988"></a><span class="lineno"> 988</span>  <span class="keywordflow">else</span></div>
<div class="line"><a name="l00989"></a><span class="lineno"> 989</span>  {</div>
<div class="line"><a name="l00990"></a><span class="lineno"> 990</span>  <a class="code" href="bignum_8h.html#a024b186dd3608bcbcfc9dd36212a18ec">MPI_CHK</a>( <a class="code" href="bignum_8h.html#a5d1cf13ed3c825b61e0b04085ec30f40">mpi_add_abs</a>( X, A, B ) );</div>
<div class="line"><a name="l00991"></a><span class="lineno"> 991</span>  X-><a class="code" href="structmpi.html#ad44e921903bdc7fcc1cadad14784a59a">s</a> = s;</div>
<div class="line"><a name="l00992"></a><span class="lineno"> 992</span>  }</div>
<div class="line"><a name="l00993"></a><span class="lineno"> 993</span> </div>
<div class="line"><a name="l00994"></a><span class="lineno"> 994</span> cleanup:</div>
<div class="line"><a name="l00995"></a><span class="lineno"> 995</span> </div>
<div class="line"><a name="l00996"></a><span class="lineno"> 996</span>  <span class="keywordflow">return</span>( ret );</div>
<div class="line"><a name="l00997"></a><span class="lineno"> 997</span> }</div>
<div class="line"><a name="l00998"></a><span class="lineno"> 998</span> </div>
<div class="line"><a name="l00999"></a><span class="lineno"> 999</span> <span class="comment">/*</span></div>
<div class="line"><a name="l01000"></a><span class="lineno"> 1000</span> <span class="comment"> * Signed subtraction: X = A - B</span></div>
<div class="line"><a name="l01001"></a><span class="lineno"> 1001</span> <span class="comment"> */</span></div>
<div class="line"><a name="l01002"></a><span class="lineno"> 1002</span> <span class="keywordtype">int</span> <a class="code" href="bignum_8h.html#a149a13ed93fddb432fb5edd3126b1186">mpi_sub_mpi</a>( <a class="code" href="structmpi.html">mpi</a> *X, <span class="keyword">const</span> <a class="code" href="structmpi.html">mpi</a> *A, <span class="keyword">const</span> <a class="code" href="structmpi.html">mpi</a> *B )</div>
<div class="line"><a name="l01003"></a><span class="lineno"> 1003</span> {</div>
<div class="line"><a name="l01004"></a><span class="lineno"> 1004</span>  <span class="keywordtype">int</span> ret, s = A-><a class="code" href="structmpi.html#ad44e921903bdc7fcc1cadad14784a59a">s</a>;</div>
<div class="line"><a name="l01005"></a><span class="lineno"> 1005</span> </div>
<div class="line"><a name="l01006"></a><span class="lineno"> 1006</span>  <span class="keywordflow">if</span>( A-><a class="code" href="structmpi.html#ad44e921903bdc7fcc1cadad14784a59a">s</a> * B-><a class="code" href="structmpi.html#ad44e921903bdc7fcc1cadad14784a59a">s</a> > 0 )</div>
<div class="line"><a name="l01007"></a><span class="lineno"> 1007</span>  {</div>
<div class="line"><a name="l01008"></a><span class="lineno"> 1008</span>  <span class="keywordflow">if</span>( <a class="code" href="bignum_8h.html#a6a692b3d8cd05ae753ab5a39b5634c0a">mpi_cmp_abs</a>( A, B ) >= 0 )</div>
<div class="line"><a name="l01009"></a><span class="lineno"> 1009</span>  {</div>
<div class="line"><a name="l01010"></a><span class="lineno"> 1010</span>  <a class="code" href="bignum_8h.html#a024b186dd3608bcbcfc9dd36212a18ec">MPI_CHK</a>( <a class="code" href="bignum_8h.html#a19d09ef62c09539feb7f9b3045cfb1fe">mpi_sub_abs</a>( X, A, B ) );</div>
<div class="line"><a name="l01011"></a><span class="lineno"> 1011</span>  X-><a class="code" href="structmpi.html#ad44e921903bdc7fcc1cadad14784a59a">s</a> = s;</div>
<div class="line"><a name="l01012"></a><span class="lineno"> 1012</span>  }</div>
<div class="line"><a name="l01013"></a><span class="lineno"> 1013</span>  <span class="keywordflow">else</span></div>
<div class="line"><a name="l01014"></a><span class="lineno"> 1014</span>  {</div>
<div class="line"><a name="l01015"></a><span class="lineno"> 1015</span>  <a class="code" href="bignum_8h.html#a024b186dd3608bcbcfc9dd36212a18ec">MPI_CHK</a>( <a class="code" href="bignum_8h.html#a19d09ef62c09539feb7f9b3045cfb1fe">mpi_sub_abs</a>( X, B, A ) );</div>
<div class="line"><a name="l01016"></a><span class="lineno"> 1016</span>  X-><a class="code" href="structmpi.html#ad44e921903bdc7fcc1cadad14784a59a">s</a> = -s;</div>
<div class="line"><a name="l01017"></a><span class="lineno"> 1017</span>  }</div>
<div class="line"><a name="l01018"></a><span class="lineno"> 1018</span>  }</div>
<div class="line"><a name="l01019"></a><span class="lineno"> 1019</span>  <span class="keywordflow">else</span></div>
<div class="line"><a name="l01020"></a><span class="lineno"> 1020</span>  {</div>
<div class="line"><a name="l01021"></a><span class="lineno"> 1021</span>  <a class="code" href="bignum_8h.html#a024b186dd3608bcbcfc9dd36212a18ec">MPI_CHK</a>( <a class="code" href="bignum_8h.html#a5d1cf13ed3c825b61e0b04085ec30f40">mpi_add_abs</a>( X, A, B ) );</div>
<div class="line"><a name="l01022"></a><span class="lineno"> 1022</span>  X-><a class="code" href="structmpi.html#ad44e921903bdc7fcc1cadad14784a59a">s</a> = s;</div>
<div class="line"><a name="l01023"></a><span class="lineno"> 1023</span>  }</div>
<div class="line"><a name="l01024"></a><span class="lineno"> 1024</span> </div>
<div class="line"><a name="l01025"></a><span class="lineno"> 1025</span> cleanup:</div>
<div class="line"><a name="l01026"></a><span class="lineno"> 1026</span> </div>
<div class="line"><a name="l01027"></a><span class="lineno"> 1027</span>  <span class="keywordflow">return</span>( ret );</div>
<div class="line"><a name="l01028"></a><span class="lineno"> 1028</span> }</div>
<div class="line"><a name="l01029"></a><span class="lineno"> 1029</span> </div>
<div class="line"><a name="l01030"></a><span class="lineno"> 1030</span> <span class="comment">/*</span></div>
<div class="line"><a name="l01031"></a><span class="lineno"> 1031</span> <span class="comment"> * Signed addition: X = A + b</span></div>
<div class="line"><a name="l01032"></a><span class="lineno"> 1032</span> <span class="comment"> */</span></div>
<div class="line"><a name="l01033"></a><span class="lineno"> 1033</span> <span class="keywordtype">int</span> <a class="code" href="bignum_8h.html#a3b88dbe31d038dfae7f27144984f9ae0">mpi_add_int</a>( <a class="code" href="structmpi.html">mpi</a> *X, <span class="keyword">const</span> <a class="code" href="structmpi.html">mpi</a> *A, <a class="code" href="bignum_8h.html#abbc933ccc2d1d02925e6886d9b4f5873">t_sint</a> b )</div>
<div class="line"><a name="l01034"></a><span class="lineno"> 1034</span> {</div>
<div class="line"><a name="l01035"></a><span class="lineno"> 1035</span>  <a class="code" href="structmpi.html">mpi</a> _B;</div>
<div class="line"><a name="l01036"></a><span class="lineno"> 1036</span>  <a class="code" href="bignum_8h.html#ad5d1464f801a0e7d2ed32a8f8dc2ccc9">t_uint</a> p[1];</div>
<div class="line"><a name="l01037"></a><span class="lineno"> 1037</span> </div>
<div class="line"><a name="l01038"></a><span class="lineno"> 1038</span>  p[0] = ( b < 0 ) ? -b : b;</div>
<div class="line"><a name="l01039"></a><span class="lineno"> 1039</span>  _B.<a class="code" href="structmpi.html#ad44e921903bdc7fcc1cadad14784a59a">s</a> = ( b < 0 ) ? -1 : 1;</div>
<div class="line"><a name="l01040"></a><span class="lineno"> 1040</span>  _B.<a class="code" href="structmpi.html#acc8d6d92112b326fcac7c6eff002feb1">n</a> = 1;</div>
<div class="line"><a name="l01041"></a><span class="lineno"> 1041</span>  _B.<a class="code" href="structmpi.html#aaeeabe339c1cc40d05bdb026666404f8">p</a> = p;</div>
<div class="line"><a name="l01042"></a><span class="lineno"> 1042</span> </div>
<div class="line"><a name="l01043"></a><span class="lineno"> 1043</span>  <span class="keywordflow">return</span>( <a class="code" href="bignum_8h.html#adf5b20e8d8c0a660e4f59f859a0bee18">mpi_add_mpi</a>( X, A, &_B ) );</div>
<div class="line"><a name="l01044"></a><span class="lineno"> 1044</span> }</div>
<div class="line"><a name="l01045"></a><span class="lineno"> 1045</span> </div>
<div class="line"><a name="l01046"></a><span class="lineno"> 1046</span> <span class="comment">/*</span></div>
<div class="line"><a name="l01047"></a><span class="lineno"> 1047</span> <span class="comment"> * Signed subtraction: X = A - b</span></div>
<div class="line"><a name="l01048"></a><span class="lineno"> 1048</span> <span class="comment"> */</span></div>
<div class="line"><a name="l01049"></a><span class="lineno"> 1049</span> <span class="keywordtype">int</span> <a class="code" href="bignum_8h.html#acfdf0f6effb7f976a2f90844c492e160">mpi_sub_int</a>( <a class="code" href="structmpi.html">mpi</a> *X, <span class="keyword">const</span> <a class="code" href="structmpi.html">mpi</a> *A, <a class="code" href="bignum_8h.html#abbc933ccc2d1d02925e6886d9b4f5873">t_sint</a> b )</div>
<div class="line"><a name="l01050"></a><span class="lineno"> 1050</span> {</div>
<div class="line"><a name="l01051"></a><span class="lineno"> 1051</span>  <a class="code" href="structmpi.html">mpi</a> _B;</div>
<div class="line"><a name="l01052"></a><span class="lineno"> 1052</span>  <a class="code" href="bignum_8h.html#ad5d1464f801a0e7d2ed32a8f8dc2ccc9">t_uint</a> p[1];</div>
<div class="line"><a name="l01053"></a><span class="lineno"> 1053</span> </div>
<div class="line"><a name="l01054"></a><span class="lineno"> 1054</span>  p[0] = ( b < 0 ) ? -b : b;</div>
<div class="line"><a name="l01055"></a><span class="lineno"> 1055</span>  _B.<a class="code" href="structmpi.html#ad44e921903bdc7fcc1cadad14784a59a">s</a> = ( b < 0 ) ? -1 : 1;</div>
<div class="line"><a name="l01056"></a><span class="lineno"> 1056</span>  _B.<a class="code" href="structmpi.html#acc8d6d92112b326fcac7c6eff002feb1">n</a> = 1;</div>
<div class="line"><a name="l01057"></a><span class="lineno"> 1057</span>  _B.<a class="code" href="structmpi.html#aaeeabe339c1cc40d05bdb026666404f8">p</a> = p;</div>
<div class="line"><a name="l01058"></a><span class="lineno"> 1058</span> </div>
<div class="line"><a name="l01059"></a><span class="lineno"> 1059</span>  <span class="keywordflow">return</span>( <a class="code" href="bignum_8h.html#a149a13ed93fddb432fb5edd3126b1186">mpi_sub_mpi</a>( X, A, &_B ) );</div>
<div class="line"><a name="l01060"></a><span class="lineno"> 1060</span> }</div>
<div class="line"><a name="l01061"></a><span class="lineno"> 1061</span> </div>
<div class="line"><a name="l01062"></a><span class="lineno"> 1062</span> <span class="comment">/*</span></div>
<div class="line"><a name="l01063"></a><span class="lineno"> 1063</span> <span class="comment"> * Helper for mpi multiplication</span></div>
<div class="line"><a name="l01064"></a><span class="lineno"> 1064</span> <span class="comment"> */</span></div>
<div class="line"><a name="l01065"></a><span class="lineno"> 1065</span> <span class="keyword">static</span></div>
<div class="line"><a name="l01066"></a><span class="lineno"> 1066</span> <span class="preprocessor">#if defined(__APPLE__) && defined(__arm__)</span></div>
<div class="line"><a name="l01067"></a><span class="lineno"> 1067</span> <span class="preprocessor"></span><span class="comment">/*</span></div>
<div class="line"><a name="l01068"></a><span class="lineno"> 1068</span> <span class="comment"> * Apple LLVM version 4.2 (clang-425.0.24) (based on LLVM 3.2svn)</span></div>
<div class="line"><a name="l01069"></a><span class="lineno"> 1069</span> <span class="comment"> * appears to need this to prevent bad ARM code generation at -O3.</span></div>
<div class="line"><a name="l01070"></a><span class="lineno"> 1070</span> <span class="comment"> */</span></div>
<div class="line"><a name="l01071"></a><span class="lineno"> 1071</span> __attribute__ ((noinline))</div>
<div class="line"><a name="l01072"></a><span class="lineno"> 1072</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l01073"></a><span class="lineno"> 1073</span> <span class="preprocessor"></span><span class="keywordtype">void</span> mpi_mul_hlp( <span class="keywordtype">size_t</span> i, <a class="code" href="bignum_8h.html#ad5d1464f801a0e7d2ed32a8f8dc2ccc9">t_uint</a> *s, <a class="code" href="bignum_8h.html#ad5d1464f801a0e7d2ed32a8f8dc2ccc9">t_uint</a> *d, <a class="code" href="bignum_8h.html#ad5d1464f801a0e7d2ed32a8f8dc2ccc9">t_uint</a> b )</div>
<div class="line"><a name="l01074"></a><span class="lineno"> 1074</span> {</div>
<div class="line"><a name="l01075"></a><span class="lineno"> 1075</span>  <a class="code" href="bignum_8h.html#ad5d1464f801a0e7d2ed32a8f8dc2ccc9">t_uint</a> c = 0, t = 0;</div>
<div class="line"><a name="l01076"></a><span class="lineno"> 1076</span> </div>
<div class="line"><a name="l01077"></a><span class="lineno"> 1077</span> <span class="preprocessor">#if defined(MULADDC_HUIT)</span></div>
<div class="line"><a name="l01078"></a><span class="lineno"> 1078</span> <span class="preprocessor"></span> <span class="keywordflow">for</span>( ; i >= 8; i -= 8 )</div>
<div class="line"><a name="l01079"></a><span class="lineno"> 1079</span>  {</div>
<div class="line"><a name="l01080"></a><span class="lineno"> 1080</span>  <a class="code" href="bn__mul_8h.html#a3c34f8aa787b08f646c7537e9b2911c6">MULADDC_INIT</a></div>
<div class="line"><a name="l01081"></a><span class="lineno"> 1081</span>  MULADDC_HUIT</div>
<div class="line"><a name="l01082"></a><span class="lineno"> 1082</span>  <a class="code" href="bn__mul_8h.html#aca47b090c97546b17261fdd712e910f9">MULADDC_STOP</a></div>
<div class="line"><a name="l01083"></a><span class="lineno"> 1083</span>  }</div>
<div class="line"><a name="l01084"></a><span class="lineno"> 1084</span> </div>
<div class="line"><a name="l01085"></a><span class="lineno"> 1085</span>  <span class="keywordflow">for</span>( ; i > 0; i-- )</div>
<div class="line"><a name="l01086"></a><span class="lineno"> 1086</span>  {</div>
<div class="line"><a name="l01087"></a><span class="lineno"> 1087</span>  <a class="code" href="bn__mul_8h.html#a3c34f8aa787b08f646c7537e9b2911c6">MULADDC_INIT</a></div>
<div class="line"><a name="l01088"></a><span class="lineno"> 1088</span>  <a class="code" href="bn__mul_8h.html#a3b3b2d66bb9377769084b8f69e6a0d3c">MULADDC_CORE</a></div>
<div class="line"><a name="l01089"></a><span class="lineno"> 1089</span>  <a class="code" href="bn__mul_8h.html#aca47b090c97546b17261fdd712e910f9">MULADDC_STOP</a></div>
<div class="line"><a name="l01090"></a><span class="lineno"> 1090</span>  }</div>
<div class="line"><a name="l01091"></a><span class="lineno"> 1091</span> <span class="preprocessor">#else </span><span class="comment">/* MULADDC_HUIT */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l01092"></a><span class="lineno"> 1092</span> <span class="preprocessor"></span> <span class="keywordflow">for</span>( ; i >= 16; i -= 16 )</div>
<div class="line"><a name="l01093"></a><span class="lineno"> 1093</span>  {</div>
<div class="line"><a name="l01094"></a><span class="lineno"> 1094</span>  <a class="code" href="bn__mul_8h.html#a3c34f8aa787b08f646c7537e9b2911c6">MULADDC_INIT</a></div>
<div class="line"><a name="l01095"></a><span class="lineno"> 1095</span>  <a class="code" href="bn__mul_8h.html#a3b3b2d66bb9377769084b8f69e6a0d3c">MULADDC_CORE</a> <a class="code" href="bn__mul_8h.html#a3b3b2d66bb9377769084b8f69e6a0d3c">MULADDC_CORE</a></div>
<div class="line"><a name="l01096"></a><span class="lineno"> 1096</span>  <a class="code" href="bn__mul_8h.html#a3b3b2d66bb9377769084b8f69e6a0d3c">MULADDC_CORE</a> <a class="code" href="bn__mul_8h.html#a3b3b2d66bb9377769084b8f69e6a0d3c">MULADDC_CORE</a></div>
<div class="line"><a name="l01097"></a><span class="lineno"> 1097</span>  <a class="code" href="bn__mul_8h.html#a3b3b2d66bb9377769084b8f69e6a0d3c">MULADDC_CORE</a> <a class="code" href="bn__mul_8h.html#a3b3b2d66bb9377769084b8f69e6a0d3c">MULADDC_CORE</a></div>
<div class="line"><a name="l01098"></a><span class="lineno"> 1098</span>  <a class="code" href="bn__mul_8h.html#a3b3b2d66bb9377769084b8f69e6a0d3c">MULADDC_CORE</a> <a class="code" href="bn__mul_8h.html#a3b3b2d66bb9377769084b8f69e6a0d3c">MULADDC_CORE</a></div>
<div class="line"><a name="l01099"></a><span class="lineno"> 1099</span> </div>
<div class="line"><a name="l01100"></a><span class="lineno"> 1100</span>  <a class="code" href="bn__mul_8h.html#a3b3b2d66bb9377769084b8f69e6a0d3c">MULADDC_CORE</a> <a class="code" href="bn__mul_8h.html#a3b3b2d66bb9377769084b8f69e6a0d3c">MULADDC_CORE</a></div>
<div class="line"><a name="l01101"></a><span class="lineno"> 1101</span>  <a class="code" href="bn__mul_8h.html#a3b3b2d66bb9377769084b8f69e6a0d3c">MULADDC_CORE</a> <a class="code" href="bn__mul_8h.html#a3b3b2d66bb9377769084b8f69e6a0d3c">MULADDC_CORE</a></div>
<div class="line"><a name="l01102"></a><span class="lineno"> 1102</span>  <a class="code" href="bn__mul_8h.html#a3b3b2d66bb9377769084b8f69e6a0d3c">MULADDC_CORE</a> <a class="code" href="bn__mul_8h.html#a3b3b2d66bb9377769084b8f69e6a0d3c">MULADDC_CORE</a></div>
<div class="line"><a name="l01103"></a><span class="lineno"> 1103</span>  <a class="code" href="bn__mul_8h.html#a3b3b2d66bb9377769084b8f69e6a0d3c">MULADDC_CORE</a> <a class="code" href="bn__mul_8h.html#a3b3b2d66bb9377769084b8f69e6a0d3c">MULADDC_CORE</a></div>
<div class="line"><a name="l01104"></a><span class="lineno"> 1104</span>  <a class="code" href="bn__mul_8h.html#aca47b090c97546b17261fdd712e910f9">MULADDC_STOP</a></div>
<div class="line"><a name="l01105"></a><span class="lineno"> 1105</span>  }</div>
<div class="line"><a name="l01106"></a><span class="lineno"> 1106</span> </div>
<div class="line"><a name="l01107"></a><span class="lineno"> 1107</span>  <span class="keywordflow">for</span>( ; i >= 8; i -= 8 )</div>
<div class="line"><a name="l01108"></a><span class="lineno"> 1108</span>  {</div>
<div class="line"><a name="l01109"></a><span class="lineno"> 1109</span>  <a class="code" href="bn__mul_8h.html#a3c34f8aa787b08f646c7537e9b2911c6">MULADDC_INIT</a></div>
<div class="line"><a name="l01110"></a><span class="lineno"> 1110</span>  <a class="code" href="bn__mul_8h.html#a3b3b2d66bb9377769084b8f69e6a0d3c">MULADDC_CORE</a> <a class="code" href="bn__mul_8h.html#a3b3b2d66bb9377769084b8f69e6a0d3c">MULADDC_CORE</a></div>
<div class="line"><a name="l01111"></a><span class="lineno"> 1111</span>  <a class="code" href="bn__mul_8h.html#a3b3b2d66bb9377769084b8f69e6a0d3c">MULADDC_CORE</a> <a class="code" href="bn__mul_8h.html#a3b3b2d66bb9377769084b8f69e6a0d3c">MULADDC_CORE</a></div>
<div class="line"><a name="l01112"></a><span class="lineno"> 1112</span> </div>
<div class="line"><a name="l01113"></a><span class="lineno"> 1113</span>  <a class="code" href="bn__mul_8h.html#a3b3b2d66bb9377769084b8f69e6a0d3c">MULADDC_CORE</a> <a class="code" href="bn__mul_8h.html#a3b3b2d66bb9377769084b8f69e6a0d3c">MULADDC_CORE</a></div>
<div class="line"><a name="l01114"></a><span class="lineno"> 1114</span>  <a class="code" href="bn__mul_8h.html#a3b3b2d66bb9377769084b8f69e6a0d3c">MULADDC_CORE</a> <a class="code" href="bn__mul_8h.html#a3b3b2d66bb9377769084b8f69e6a0d3c">MULADDC_CORE</a></div>
<div class="line"><a name="l01115"></a><span class="lineno"> 1115</span>  <a class="code" href="bn__mul_8h.html#aca47b090c97546b17261fdd712e910f9">MULADDC_STOP</a></div>
<div class="line"><a name="l01116"></a><span class="lineno"> 1116</span>  }</div>
<div class="line"><a name="l01117"></a><span class="lineno"> 1117</span> </div>
<div class="line"><a name="l01118"></a><span class="lineno"> 1118</span>  <span class="keywordflow">for</span>( ; i > 0; i-- )</div>
<div class="line"><a name="l01119"></a><span class="lineno"> 1119</span>  {</div>
<div class="line"><a name="l01120"></a><span class="lineno"> 1120</span>  <a class="code" href="bn__mul_8h.html#a3c34f8aa787b08f646c7537e9b2911c6">MULADDC_INIT</a></div>
<div class="line"><a name="l01121"></a><span class="lineno"> 1121</span>  <a class="code" href="bn__mul_8h.html#a3b3b2d66bb9377769084b8f69e6a0d3c">MULADDC_CORE</a></div>
<div class="line"><a name="l01122"></a><span class="lineno"> 1122</span>  <a class="code" href="bn__mul_8h.html#aca47b090c97546b17261fdd712e910f9">MULADDC_STOP</a></div>
<div class="line"><a name="l01123"></a><span class="lineno"> 1123</span>  }</div>
<div class="line"><a name="l01124"></a><span class="lineno"> 1124</span> <span class="preprocessor">#endif </span><span class="comment">/* MULADDC_HUIT */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l01125"></a><span class="lineno"> 1125</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l01126"></a><span class="lineno"> 1126</span>  t++;</div>
<div class="line"><a name="l01127"></a><span class="lineno"> 1127</span> </div>
<div class="line"><a name="l01128"></a><span class="lineno"> 1128</span>  <span class="keywordflow">do</span> {</div>
<div class="line"><a name="l01129"></a><span class="lineno"> 1129</span>  *d += c; c = ( *d < c ); d++;</div>
<div class="line"><a name="l01130"></a><span class="lineno"> 1130</span>  }</div>
<div class="line"><a name="l01131"></a><span class="lineno"> 1131</span>  <span class="keywordflow">while</span>( c != 0 );</div>
<div class="line"><a name="l01132"></a><span class="lineno"> 1132</span> }</div>
<div class="line"><a name="l01133"></a><span class="lineno"> 1133</span> </div>
<div class="line"><a name="l01134"></a><span class="lineno"> 1134</span> <span class="comment">/*</span></div>
<div class="line"><a name="l01135"></a><span class="lineno"> 1135</span> <span class="comment"> * Baseline multiplication: X = A * B (HAC 14.12)</span></div>
<div class="line"><a name="l01136"></a><span class="lineno"> 1136</span> <span class="comment"> */</span></div>
<div class="line"><a name="l01137"></a><span class="lineno"> 1137</span> <span class="keywordtype">int</span> <a class="code" href="bignum_8h.html#ab63bfb07b27db84268491cd7d68bddc0">mpi_mul_mpi</a>( <a class="code" href="structmpi.html">mpi</a> *X, <span class="keyword">const</span> <a class="code" href="structmpi.html">mpi</a> *A, <span class="keyword">const</span> <a class="code" href="structmpi.html">mpi</a> *B )</div>
<div class="line"><a name="l01138"></a><span class="lineno"> 1138</span> {</div>
<div class="line"><a name="l01139"></a><span class="lineno"> 1139</span>  <span class="keywordtype">int</span> ret;</div>
<div class="line"><a name="l01140"></a><span class="lineno"> 1140</span>  <span class="keywordtype">size_t</span> i, j;</div>
<div class="line"><a name="l01141"></a><span class="lineno"> 1141</span>  <a class="code" href="structmpi.html">mpi</a> TA, TB;</div>
<div class="line"><a name="l01142"></a><span class="lineno"> 1142</span> </div>
<div class="line"><a name="l01143"></a><span class="lineno"> 1143</span>  <a class="code" href="bignum_8h.html#a201666869f65225d6535bcc697f95c9b">mpi_init</a>( &TA ); <a class="code" href="bignum_8h.html#a201666869f65225d6535bcc697f95c9b">mpi_init</a>( &TB );</div>
<div class="line"><a name="l01144"></a><span class="lineno"> 1144</span> </div>
<div class="line"><a name="l01145"></a><span class="lineno"> 1145</span>  <span class="keywordflow">if</span>( X == A ) { <a class="code" href="bignum_8h.html#a024b186dd3608bcbcfc9dd36212a18ec">MPI_CHK</a>( <a class="code" href="bignum_8h.html#a6fbcce39a9d92d9e2a560f8aa6a810f4">mpi_copy</a>( &TA, A ) ); A = &TA; }</div>
<div class="line"><a name="l01146"></a><span class="lineno"> 1146</span>  <span class="keywordflow">if</span>( X == B ) { <a class="code" href="bignum_8h.html#a024b186dd3608bcbcfc9dd36212a18ec">MPI_CHK</a>( <a class="code" href="bignum_8h.html#a6fbcce39a9d92d9e2a560f8aa6a810f4">mpi_copy</a>( &TB, B ) ); B = &TB; }</div>
<div class="line"><a name="l01147"></a><span class="lineno"> 1147</span> </div>
<div class="line"><a name="l01148"></a><span class="lineno"> 1148</span>  <span class="keywordflow">for</span>( i = A-><a class="code" href="structmpi.html#acc8d6d92112b326fcac7c6eff002feb1">n</a>; i > 0; i-- )</div>
<div class="line"><a name="l01149"></a><span class="lineno"> 1149</span>  <span class="keywordflow">if</span>( A-><a class="code" href="structmpi.html#aaeeabe339c1cc40d05bdb026666404f8">p</a>[i - 1] != 0 )</div>
<div class="line"><a name="l01150"></a><span class="lineno"> 1150</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l01151"></a><span class="lineno"> 1151</span> </div>
<div class="line"><a name="l01152"></a><span class="lineno"> 1152</span>  <span class="keywordflow">for</span>( j = B-><a class="code" href="structmpi.html#acc8d6d92112b326fcac7c6eff002feb1">n</a>; j > 0; j-- )</div>
<div class="line"><a name="l01153"></a><span class="lineno"> 1153</span>  <span class="keywordflow">if</span>( B-><a class="code" href="structmpi.html#aaeeabe339c1cc40d05bdb026666404f8">p</a>[j - 1] != 0 )</div>
<div class="line"><a name="l01154"></a><span class="lineno"> 1154</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l01155"></a><span class="lineno"> 1155</span> </div>
<div class="line"><a name="l01156"></a><span class="lineno"> 1156</span>  <a class="code" href="bignum_8h.html#a024b186dd3608bcbcfc9dd36212a18ec">MPI_CHK</a>( <a class="code" href="bignum_8h.html#ac585f00fc9be270de074e8fbfb508d6a">mpi_grow</a>( X, i + j ) );</div>
<div class="line"><a name="l01157"></a><span class="lineno"> 1157</span>  <a class="code" href="bignum_8h.html#a024b186dd3608bcbcfc9dd36212a18ec">MPI_CHK</a>( <a class="code" href="bignum_8h.html#a007d6236aebb0ff4a3d92ce8f525a3ae">mpi_lset</a>( X, 0 ) );</div>
<div class="line"><a name="l01158"></a><span class="lineno"> 1158</span> </div>
<div class="line"><a name="l01159"></a><span class="lineno"> 1159</span>  <span class="keywordflow">for</span>( i++; j > 0; j-- )</div>
<div class="line"><a name="l01160"></a><span class="lineno"> 1160</span>  mpi_mul_hlp( i - 1, A-><a class="code" href="structmpi.html#aaeeabe339c1cc40d05bdb026666404f8">p</a>, X-><a class="code" href="structmpi.html#aaeeabe339c1cc40d05bdb026666404f8">p</a> + j - 1, B-><a class="code" href="structmpi.html#aaeeabe339c1cc40d05bdb026666404f8">p</a>[j - 1] );</div>
<div class="line"><a name="l01161"></a><span class="lineno"> 1161</span> </div>
<div class="line"><a name="l01162"></a><span class="lineno"> 1162</span>  X-><a class="code" href="structmpi.html#ad44e921903bdc7fcc1cadad14784a59a">s</a> = A-><a class="code" href="structmpi.html#ad44e921903bdc7fcc1cadad14784a59a">s</a> * B-><a class="code" href="structmpi.html#ad44e921903bdc7fcc1cadad14784a59a">s</a>;</div>
<div class="line"><a name="l01163"></a><span class="lineno"> 1163</span> </div>
<div class="line"><a name="l01164"></a><span class="lineno"> 1164</span> cleanup:</div>
<div class="line"><a name="l01165"></a><span class="lineno"> 1165</span> </div>
<div class="line"><a name="l01166"></a><span class="lineno"> 1166</span>  <a class="code" href="bignum_8h.html#ae1f6507671587755e46bbf0afcae6a8c">mpi_free</a>( &TB ); <a class="code" href="bignum_8h.html#ae1f6507671587755e46bbf0afcae6a8c">mpi_free</a>( &TA );</div>
<div class="line"><a name="l01167"></a><span class="lineno"> 1167</span> </div>
<div class="line"><a name="l01168"></a><span class="lineno"> 1168</span>  <span class="keywordflow">return</span>( ret );</div>
<div class="line"><a name="l01169"></a><span class="lineno"> 1169</span> }</div>
<div class="line"><a name="l01170"></a><span class="lineno"> 1170</span> </div>
<div class="line"><a name="l01171"></a><span class="lineno"> 1171</span> <span class="comment">/*</span></div>
<div class="line"><a name="l01172"></a><span class="lineno"> 1172</span> <span class="comment"> * Baseline multiplication: X = A * b</span></div>
<div class="line"><a name="l01173"></a><span class="lineno"> 1173</span> <span class="comment"> */</span></div>
<div class="line"><a name="l01174"></a><span class="lineno"> 1174</span> <span class="keywordtype">int</span> <a class="code" href="bignum_8h.html#a79ee36f6e38e4de6d24047bd685747b4">mpi_mul_int</a>( <a class="code" href="structmpi.html">mpi</a> *X, <span class="keyword">const</span> <a class="code" href="structmpi.html">mpi</a> *A, <a class="code" href="bignum_8h.html#abbc933ccc2d1d02925e6886d9b4f5873">t_sint</a> b )</div>
<div class="line"><a name="l01175"></a><span class="lineno"> 1175</span> {</div>
<div class="line"><a name="l01176"></a><span class="lineno"> 1176</span>  <a class="code" href="structmpi.html">mpi</a> _B;</div>
<div class="line"><a name="l01177"></a><span class="lineno"> 1177</span>  <a class="code" href="bignum_8h.html#ad5d1464f801a0e7d2ed32a8f8dc2ccc9">t_uint</a> p[1];</div>
<div class="line"><a name="l01178"></a><span class="lineno"> 1178</span> </div>
<div class="line"><a name="l01179"></a><span class="lineno"> 1179</span>  _B.<a class="code" href="structmpi.html#ad44e921903bdc7fcc1cadad14784a59a">s</a> = 1;</div>
<div class="line"><a name="l01180"></a><span class="lineno"> 1180</span>  _B.<a class="code" href="structmpi.html#acc8d6d92112b326fcac7c6eff002feb1">n</a> = 1;</div>
<div class="line"><a name="l01181"></a><span class="lineno"> 1181</span>  _B.<a class="code" href="structmpi.html#aaeeabe339c1cc40d05bdb026666404f8">p</a> = p;</div>
<div class="line"><a name="l01182"></a><span class="lineno"> 1182</span>  p[0] = b;</div>
<div class="line"><a name="l01183"></a><span class="lineno"> 1183</span> </div>
<div class="line"><a name="l01184"></a><span class="lineno"> 1184</span>  <span class="keywordflow">return</span>( <a class="code" href="bignum_8h.html#ab63bfb07b27db84268491cd7d68bddc0">mpi_mul_mpi</a>( X, A, &_B ) );</div>
<div class="line"><a name="l01185"></a><span class="lineno"> 1185</span> }</div>
<div class="line"><a name="l01186"></a><span class="lineno"> 1186</span> </div>
<div class="line"><a name="l01187"></a><span class="lineno"> 1187</span> <span class="comment">/*</span></div>
<div class="line"><a name="l01188"></a><span class="lineno"> 1188</span> <span class="comment"> * Division by mpi: A = Q * B + R (HAC 14.20)</span></div>
<div class="line"><a name="l01189"></a><span class="lineno"> 1189</span> <span class="comment"> */</span></div>
<div class="line"><a name="l01190"></a><span class="lineno"> 1190</span> <span class="keywordtype">int</span> <a class="code" href="bignum_8h.html#a0804ce20a4a1cba3e3dcd3ac520b1ffb">mpi_div_mpi</a>( <a class="code" href="structmpi.html">mpi</a> *Q, <a class="code" href="structmpi.html">mpi</a> *R, <span class="keyword">const</span> <a class="code" href="structmpi.html">mpi</a> *A, <span class="keyword">const</span> <a class="code" href="structmpi.html">mpi</a> *B )</div>
<div class="line"><a name="l01191"></a><span class="lineno"> 1191</span> {</div>
<div class="line"><a name="l01192"></a><span class="lineno"> 1192</span>  <span class="keywordtype">int</span> ret;</div>
<div class="line"><a name="l01193"></a><span class="lineno"> 1193</span>  <span class="keywordtype">size_t</span> i, n, t, k;</div>
<div class="line"><a name="l01194"></a><span class="lineno"> 1194</span>  <a class="code" href="structmpi.html">mpi</a> X, Y, Z, T1, T2;</div>
<div class="line"><a name="l01195"></a><span class="lineno"> 1195</span> </div>
<div class="line"><a name="l01196"></a><span class="lineno"> 1196</span>  <span class="keywordflow">if</span>( <a class="code" href="bignum_8h.html#aee6dc030f0fa278c1576c457088b4910">mpi_cmp_int</a>( B, 0 ) == 0 )</div>
<div class="line"><a name="l01197"></a><span class="lineno"> 1197</span>  <span class="keywordflow">return</span>( <a class="code" href="bignum_8h.html#a96380f09df1ad46baba97af000b05466">POLARSSL_ERR_MPI_DIVISION_BY_ZERO</a> );</div>
<div class="line"><a name="l01198"></a><span class="lineno"> 1198</span> </div>
<div class="line"><a name="l01199"></a><span class="lineno"> 1199</span>  <a class="code" href="bignum_8h.html#a201666869f65225d6535bcc697f95c9b">mpi_init</a>( &X ); <a class="code" href="bignum_8h.html#a201666869f65225d6535bcc697f95c9b">mpi_init</a>( &Y ); <a class="code" href="bignum_8h.html#a201666869f65225d6535bcc697f95c9b">mpi_init</a>( &Z );</div>
<div class="line"><a name="l01200"></a><span class="lineno"> 1200</span>  <a class="code" href="bignum_8h.html#a201666869f65225d6535bcc697f95c9b">mpi_init</a>( &T1 ); <a class="code" href="bignum_8h.html#a201666869f65225d6535bcc697f95c9b">mpi_init</a>( &T2 );</div>
<div class="line"><a name="l01201"></a><span class="lineno"> 1201</span> </div>
<div class="line"><a name="l01202"></a><span class="lineno"> 1202</span>  <span class="keywordflow">if</span>( <a class="code" href="bignum_8h.html#a6a692b3d8cd05ae753ab5a39b5634c0a">mpi_cmp_abs</a>( A, B ) < 0 )</div>
<div class="line"><a name="l01203"></a><span class="lineno"> 1203</span>  {</div>
<div class="line"><a name="l01204"></a><span class="lineno"> 1204</span>  <span class="keywordflow">if</span>( Q != NULL ) <a class="code" href="bignum_8h.html#a024b186dd3608bcbcfc9dd36212a18ec">MPI_CHK</a>( <a class="code" href="bignum_8h.html#a007d6236aebb0ff4a3d92ce8f525a3ae">mpi_lset</a>( Q, 0 ) );</div>
<div class="line"><a name="l01205"></a><span class="lineno"> 1205</span>  <span class="keywordflow">if</span>( R != NULL ) <a class="code" href="bignum_8h.html#a024b186dd3608bcbcfc9dd36212a18ec">MPI_CHK</a>( <a class="code" href="bignum_8h.html#a6fbcce39a9d92d9e2a560f8aa6a810f4">mpi_copy</a>( R, A ) );</div>
<div class="line"><a name="l01206"></a><span class="lineno"> 1206</span>  <span class="keywordflow">return</span>( 0 );</div>
<div class="line"><a name="l01207"></a><span class="lineno"> 1207</span>  }</div>
<div class="line"><a name="l01208"></a><span class="lineno"> 1208</span> </div>
<div class="line"><a name="l01209"></a><span class="lineno"> 1209</span>  <a class="code" href="bignum_8h.html#a024b186dd3608bcbcfc9dd36212a18ec">MPI_CHK</a>( <a class="code" href="bignum_8h.html#a6fbcce39a9d92d9e2a560f8aa6a810f4">mpi_copy</a>( &X, A ) );</div>
<div class="line"><a name="l01210"></a><span class="lineno"> 1210</span>  <a class="code" href="bignum_8h.html#a024b186dd3608bcbcfc9dd36212a18ec">MPI_CHK</a>( <a class="code" href="bignum_8h.html#a6fbcce39a9d92d9e2a560f8aa6a810f4">mpi_copy</a>( &Y, B ) );</div>
<div class="line"><a name="l01211"></a><span class="lineno"> 1211</span>  X.<a class="code" href="structmpi.html#ad44e921903bdc7fcc1cadad14784a59a">s</a> = Y.<a class="code" href="structmpi.html#ad44e921903bdc7fcc1cadad14784a59a">s</a> = 1;</div>
<div class="line"><a name="l01212"></a><span class="lineno"> 1212</span> </div>
<div class="line"><a name="l01213"></a><span class="lineno"> 1213</span>  <a class="code" href="bignum_8h.html#a024b186dd3608bcbcfc9dd36212a18ec">MPI_CHK</a>( <a class="code" href="bignum_8h.html#ac585f00fc9be270de074e8fbfb508d6a">mpi_grow</a>( &Z, A-><a class="code" href="structmpi.html#acc8d6d92112b326fcac7c6eff002feb1">n</a> + 2 ) );</div>
<div class="line"><a name="l01214"></a><span class="lineno"> 1214</span>  <a class="code" href="bignum_8h.html#a024b186dd3608bcbcfc9dd36212a18ec">MPI_CHK</a>( <a class="code" href="bignum_8h.html#a007d6236aebb0ff4a3d92ce8f525a3ae">mpi_lset</a>( &Z, 0 ) );</div>
<div class="line"><a name="l01215"></a><span class="lineno"> 1215</span>  <a class="code" href="bignum_8h.html#a024b186dd3608bcbcfc9dd36212a18ec">MPI_CHK</a>( <a class="code" href="bignum_8h.html#ac585f00fc9be270de074e8fbfb508d6a">mpi_grow</a>( &T1, 2 ) );</div>
<div class="line"><a name="l01216"></a><span class="lineno"> 1216</span>  <a class="code" href="bignum_8h.html#a024b186dd3608bcbcfc9dd36212a18ec">MPI_CHK</a>( <a class="code" href="bignum_8h.html#ac585f00fc9be270de074e8fbfb508d6a">mpi_grow</a>( &T2, 3 ) );</div>
<div class="line"><a name="l01217"></a><span class="lineno"> 1217</span> </div>
<div class="line"><a name="l01218"></a><span class="lineno"> 1218</span>  k = <a class="code" href="bignum_8h.html#a4d461a7bff5a31df34bbf93ec00ab886">mpi_msb</a>( &Y ) % biL;</div>
<div class="line"><a name="l01219"></a><span class="lineno"> 1219</span>  <span class="keywordflow">if</span>( k < biL - 1 )</div>
<div class="line"><a name="l01220"></a><span class="lineno"> 1220</span>  {</div>
<div class="line"><a name="l01221"></a><span class="lineno"> 1221</span>  k = biL - 1 - k;</div>
<div class="line"><a name="l01222"></a><span class="lineno"> 1222</span>  <a class="code" href="bignum_8h.html#a024b186dd3608bcbcfc9dd36212a18ec">MPI_CHK</a>( <a class="code" href="bignum_8h.html#a17537330dbe685ca867e52479a8ef7c3">mpi_shift_l</a>( &X, k ) );</div>
<div class="line"><a name="l01223"></a><span class="lineno"> 1223</span>  <a class="code" href="bignum_8h.html#a024b186dd3608bcbcfc9dd36212a18ec">MPI_CHK</a>( <a class="code" href="bignum_8h.html#a17537330dbe685ca867e52479a8ef7c3">mpi_shift_l</a>( &Y, k ) );</div>
<div class="line"><a name="l01224"></a><span class="lineno"> 1224</span>  }</div>
<div class="line"><a name="l01225"></a><span class="lineno"> 1225</span>  <span class="keywordflow">else</span> k = 0;</div>
<div class="line"><a name="l01226"></a><span class="lineno"> 1226</span> </div>
<div class="line"><a name="l01227"></a><span class="lineno"> 1227</span>  n = X.<a class="code" href="structmpi.html#acc8d6d92112b326fcac7c6eff002feb1">n</a> - 1;</div>
<div class="line"><a name="l01228"></a><span class="lineno"> 1228</span>  t = Y.<a class="code" href="structmpi.html#acc8d6d92112b326fcac7c6eff002feb1">n</a> - 1;</div>
<div class="line"><a name="l01229"></a><span class="lineno"> 1229</span>  <a class="code" href="bignum_8h.html#a024b186dd3608bcbcfc9dd36212a18ec">MPI_CHK</a>( <a class="code" href="bignum_8h.html#a17537330dbe685ca867e52479a8ef7c3">mpi_shift_l</a>( &Y, biL * ( n - t ) ) );</div>
<div class="line"><a name="l01230"></a><span class="lineno"> 1230</span> </div>
<div class="line"><a name="l01231"></a><span class="lineno"> 1231</span>  <span class="keywordflow">while</span>( <a class="code" href="bignum_8h.html#aec20dff9d78738e3c80b212df9875b83">mpi_cmp_mpi</a>( &X, &Y ) >= 0 )</div>
<div class="line"><a name="l01232"></a><span class="lineno"> 1232</span>  {</div>
<div class="line"><a name="l01233"></a><span class="lineno"> 1233</span>  Z.<a class="code" href="structmpi.html#aaeeabe339c1cc40d05bdb026666404f8">p</a>[n - t]++;</div>
<div class="line"><a name="l01234"></a><span class="lineno"> 1234</span>  <a class="code" href="bignum_8h.html#a024b186dd3608bcbcfc9dd36212a18ec">MPI_CHK</a>( <a class="code" href="bignum_8h.html#a149a13ed93fddb432fb5edd3126b1186">mpi_sub_mpi</a>( &X, &X, &Y ) );</div>
<div class="line"><a name="l01235"></a><span class="lineno"> 1235</span>  }</div>
<div class="line"><a name="l01236"></a><span class="lineno"> 1236</span>  <a class="code" href="bignum_8h.html#a024b186dd3608bcbcfc9dd36212a18ec">MPI_CHK</a>( <a class="code" href="bignum_8h.html#a01de1543da79d0ad0f58916d608f6ff8">mpi_shift_r</a>( &Y, biL * ( n - t ) ) );</div>
<div class="line"><a name="l01237"></a><span class="lineno"> 1237</span> </div>
<div class="line"><a name="l01238"></a><span class="lineno"> 1238</span>  <span class="keywordflow">for</span>( i = n; i > t ; i-- )</div>
<div class="line"><a name="l01239"></a><span class="lineno"> 1239</span>  {</div>
<div class="line"><a name="l01240"></a><span class="lineno"> 1240</span>  <span class="keywordflow">if</span>( X.<a class="code" href="structmpi.html#aaeeabe339c1cc40d05bdb026666404f8">p</a>[i] >= Y.<a class="code" href="structmpi.html#aaeeabe339c1cc40d05bdb026666404f8">p</a>[t] )</div>
<div class="line"><a name="l01241"></a><span class="lineno"> 1241</span>  Z.<a class="code" href="structmpi.html#aaeeabe339c1cc40d05bdb026666404f8">p</a>[i - t - 1] = ~0;</div>
<div class="line"><a name="l01242"></a><span class="lineno"> 1242</span>  <span class="keywordflow">else</span></div>
<div class="line"><a name="l01243"></a><span class="lineno"> 1243</span>  {</div>
<div class="line"><a name="l01244"></a><span class="lineno"> 1244</span>  <span class="comment">/*</span></div>
<div class="line"><a name="l01245"></a><span class="lineno"> 1245</span> <span class="comment"> * The version of Clang shipped by Apple with Mavericks around</span></div>
<div class="line"><a name="l01246"></a><span class="lineno"> 1246</span> <span class="comment"> * 2014-03 can't handle 128-bit division properly. Disable</span></div>
<div class="line"><a name="l01247"></a><span class="lineno"> 1247</span> <span class="comment"> * 128-bits division for this version. Let's be optimistic and</span></div>
<div class="line"><a name="l01248"></a><span class="lineno"> 1248</span> <span class="comment"> * assume it'll be fixed in the next minor version (next</span></div>
<div class="line"><a name="l01249"></a><span class="lineno"> 1249</span> <span class="comment"> * patchlevel is probably a bit too optimistic).</span></div>
<div class="line"><a name="l01250"></a><span class="lineno"> 1250</span> <span class="comment"> */</span></div>
<div class="line"><a name="l01251"></a><span class="lineno"> 1251</span> <span class="preprocessor">#if defined(POLARSSL_HAVE_UDBL) && \</span></div>
<div class="line"><a name="l01252"></a><span class="lineno"> 1252</span> <span class="preprocessor"> ! ( defined(__x86_64__) && defined(__APPLE__) && \</span></div>
<div class="line"><a name="l01253"></a><span class="lineno"> 1253</span> <span class="preprocessor"> defined(__clang_major__) && __clang_major__ == 5 && \</span></div>
<div class="line"><a name="l01254"></a><span class="lineno"> 1254</span> <span class="preprocessor"> defined(__clang_minor__) && __clang_minor__ == 0 )</span></div>
<div class="line"><a name="l01255"></a><span class="lineno"> 1255</span> <span class="preprocessor"></span> <a class="code" href="bignum_8h.html#a15c9839c39da2a8dc13255a226d05d87">t_udbl</a> r;</div>
<div class="line"><a name="l01256"></a><span class="lineno"> 1256</span> </div>
<div class="line"><a name="l01257"></a><span class="lineno"> 1257</span>  r = (<a class="code" href="bignum_8h.html#a15c9839c39da2a8dc13255a226d05d87">t_udbl</a>) X.<a class="code" href="structmpi.html#aaeeabe339c1cc40d05bdb026666404f8">p</a>[i] << biL;</div>
<div class="line"><a name="l01258"></a><span class="lineno"> 1258</span>  r |= (<a class="code" href="bignum_8h.html#a15c9839c39da2a8dc13255a226d05d87">t_udbl</a>) X.<a class="code" href="structmpi.html#aaeeabe339c1cc40d05bdb026666404f8">p</a>[i - 1];</div>
<div class="line"><a name="l01259"></a><span class="lineno"> 1259</span>  r /= Y.<a class="code" href="structmpi.html#aaeeabe339c1cc40d05bdb026666404f8">p</a>[t];</div>
<div class="line"><a name="l01260"></a><span class="lineno"> 1260</span>  <span class="keywordflow">if</span>( r > ( (<a class="code" href="bignum_8h.html#a15c9839c39da2a8dc13255a226d05d87">t_udbl</a>) 1 << biL ) - 1 )</div>
<div class="line"><a name="l01261"></a><span class="lineno"> 1261</span>  r = ( (<a class="code" href="bignum_8h.html#a15c9839c39da2a8dc13255a226d05d87">t_udbl</a>) 1 << biL ) - 1;</div>
<div class="line"><a name="l01262"></a><span class="lineno"> 1262</span> </div>
<div class="line"><a name="l01263"></a><span class="lineno"> 1263</span>  Z.<a class="code" href="structmpi.html#aaeeabe339c1cc40d05bdb026666404f8">p</a>[i - t - 1] = (<a class="code" href="bignum_8h.html#ad5d1464f801a0e7d2ed32a8f8dc2ccc9">t_uint</a>) r;</div>
<div class="line"><a name="l01264"></a><span class="lineno"> 1264</span> <span class="preprocessor">#else</span></div>
<div class="line"><a name="l01265"></a><span class="lineno"> 1265</span> <span class="preprocessor"></span> <span class="comment">/*</span></div>
<div class="line"><a name="l01266"></a><span class="lineno"> 1266</span> <span class="comment"> * __udiv_qrnnd_c, from gmp/longlong.h</span></div>
<div class="line"><a name="l01267"></a><span class="lineno"> 1267</span> <span class="comment"> */</span></div>
<div class="line"><a name="l01268"></a><span class="lineno"> 1268</span>  <a class="code" href="bignum_8h.html#ad5d1464f801a0e7d2ed32a8f8dc2ccc9">t_uint</a> q0, q1, r0, r1;</div>
<div class="line"><a name="l01269"></a><span class="lineno"> 1269</span>  <a class="code" href="bignum_8h.html#ad5d1464f801a0e7d2ed32a8f8dc2ccc9">t_uint</a> d0, d1, d, m;</div>
<div class="line"><a name="l01270"></a><span class="lineno"> 1270</span> </div>
<div class="line"><a name="l01271"></a><span class="lineno"> 1271</span>  d = Y.<a class="code" href="structmpi.html#aaeeabe339c1cc40d05bdb026666404f8">p</a>[t];</div>
<div class="line"><a name="l01272"></a><span class="lineno"> 1272</span>  d0 = ( d << biH ) >> biH;</div>
<div class="line"><a name="l01273"></a><span class="lineno"> 1273</span>  d1 = ( d >> biH );</div>
<div class="line"><a name="l01274"></a><span class="lineno"> 1274</span> </div>
<div class="line"><a name="l01275"></a><span class="lineno"> 1275</span>  q1 = X.<a class="code" href="structmpi.html#aaeeabe339c1cc40d05bdb026666404f8">p</a>[i] / d1;</div>
<div class="line"><a name="l01276"></a><span class="lineno"> 1276</span>  r1 = X.<a class="code" href="structmpi.html#aaeeabe339c1cc40d05bdb026666404f8">p</a>[i] - d1 * q1;</div>
<div class="line"><a name="l01277"></a><span class="lineno"> 1277</span>  r1 <<= biH;</div>
<div class="line"><a name="l01278"></a><span class="lineno"> 1278</span>  r1 |= ( X.<a class="code" href="structmpi.html#aaeeabe339c1cc40d05bdb026666404f8">p</a>[i - 1] >> biH );</div>
<div class="line"><a name="l01279"></a><span class="lineno"> 1279</span> </div>
<div class="line"><a name="l01280"></a><span class="lineno"> 1280</span>  m = q1 * d0;</div>
<div class="line"><a name="l01281"></a><span class="lineno"> 1281</span>  <span class="keywordflow">if</span>( r1 < m )</div>
<div class="line"><a name="l01282"></a><span class="lineno"> 1282</span>  {</div>
<div class="line"><a name="l01283"></a><span class="lineno"> 1283</span>  q1--, r1 += d;</div>
<div class="line"><a name="l01284"></a><span class="lineno"> 1284</span>  <span class="keywordflow">while</span>( r1 >= d && r1 < m )</div>
<div class="line"><a name="l01285"></a><span class="lineno"> 1285</span>  q1--, r1 += d;</div>
<div class="line"><a name="l01286"></a><span class="lineno"> 1286</span>  }</div>
<div class="line"><a name="l01287"></a><span class="lineno"> 1287</span>  r1 -= m;</div>
<div class="line"><a name="l01288"></a><span class="lineno"> 1288</span> </div>
<div class="line"><a name="l01289"></a><span class="lineno"> 1289</span>  q0 = r1 / d1;</div>
<div class="line"><a name="l01290"></a><span class="lineno"> 1290</span>  r0 = r1 - d1 * q0;</div>
<div class="line"><a name="l01291"></a><span class="lineno"> 1291</span>  r0 <<= biH;</div>
<div class="line"><a name="l01292"></a><span class="lineno"> 1292</span>  r0 |= ( X.<a class="code" href="structmpi.html#aaeeabe339c1cc40d05bdb026666404f8">p</a>[i - 1] << biH ) >> biH;</div>
<div class="line"><a name="l01293"></a><span class="lineno"> 1293</span> </div>
<div class="line"><a name="l01294"></a><span class="lineno"> 1294</span>  m = q0 * d0;</div>
<div class="line"><a name="l01295"></a><span class="lineno"> 1295</span>  <span class="keywordflow">if</span>( r0 < m )</div>
<div class="line"><a name="l01296"></a><span class="lineno"> 1296</span>  {</div>
<div class="line"><a name="l01297"></a><span class="lineno"> 1297</span>  q0--, r0 += d;</div>
<div class="line"><a name="l01298"></a><span class="lineno"> 1298</span>  <span class="keywordflow">while</span>( r0 >= d && r0 < m )</div>
<div class="line"><a name="l01299"></a><span class="lineno"> 1299</span>  q0--, r0 += d;</div>
<div class="line"><a name="l01300"></a><span class="lineno"> 1300</span>  }</div>
<div class="line"><a name="l01301"></a><span class="lineno"> 1301</span>  r0 -= m;</div>
<div class="line"><a name="l01302"></a><span class="lineno"> 1302</span> </div>
<div class="line"><a name="l01303"></a><span class="lineno"> 1303</span>  Z.<a class="code" href="structmpi.html#aaeeabe339c1cc40d05bdb026666404f8">p</a>[i - t - 1] = ( q1 << biH ) | q0;</div>
<div class="line"><a name="l01304"></a><span class="lineno"> 1304</span> <span class="preprocessor">#endif </span><span class="comment">/* POLARSSL_HAVE_UDBL && !64-bit Apple with Clang 5.0 */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l01305"></a><span class="lineno"> 1305</span> <span class="preprocessor"></span> }</div>
<div class="line"><a name="l01306"></a><span class="lineno"> 1306</span> </div>
<div class="line"><a name="l01307"></a><span class="lineno"> 1307</span>  Z.<a class="code" href="structmpi.html#aaeeabe339c1cc40d05bdb026666404f8">p</a>[i - t - 1]++;</div>
<div class="line"><a name="l01308"></a><span class="lineno"> 1308</span>  <span class="keywordflow">do</span></div>
<div class="line"><a name="l01309"></a><span class="lineno"> 1309</span>  {</div>
<div class="line"><a name="l01310"></a><span class="lineno"> 1310</span>  Z.<a class="code" href="structmpi.html#aaeeabe339c1cc40d05bdb026666404f8">p</a>[i - t - 1]--;</div>
<div class="line"><a name="l01311"></a><span class="lineno"> 1311</span> </div>
<div class="line"><a name="l01312"></a><span class="lineno"> 1312</span>  <a class="code" href="bignum_8h.html#a024b186dd3608bcbcfc9dd36212a18ec">MPI_CHK</a>( <a class="code" href="bignum_8h.html#a007d6236aebb0ff4a3d92ce8f525a3ae">mpi_lset</a>( &T1, 0 ) );</div>
<div class="line"><a name="l01313"></a><span class="lineno"> 1313</span>  T1.<a class="code" href="structmpi.html#aaeeabe339c1cc40d05bdb026666404f8">p</a>[0] = ( t < 1 ) ? 0 : Y.<a class="code" href="structmpi.html#aaeeabe339c1cc40d05bdb026666404f8">p</a>[t - 1];</div>
<div class="line"><a name="l01314"></a><span class="lineno"> 1314</span>  T1.<a class="code" href="structmpi.html#aaeeabe339c1cc40d05bdb026666404f8">p</a>[1] = Y.<a class="code" href="structmpi.html#aaeeabe339c1cc40d05bdb026666404f8">p</a>[t];</div>
<div class="line"><a name="l01315"></a><span class="lineno"> 1315</span>  <a class="code" href="bignum_8h.html#a024b186dd3608bcbcfc9dd36212a18ec">MPI_CHK</a>( <a class="code" href="bignum_8h.html#a79ee36f6e38e4de6d24047bd685747b4">mpi_mul_int</a>( &T1, &T1, Z.<a class="code" href="structmpi.html#aaeeabe339c1cc40d05bdb026666404f8">p</a>[i - t - 1] ) );</div>
<div class="line"><a name="l01316"></a><span class="lineno"> 1316</span> </div>
<div class="line"><a name="l01317"></a><span class="lineno"> 1317</span>  <a class="code" href="bignum_8h.html#a024b186dd3608bcbcfc9dd36212a18ec">MPI_CHK</a>( <a class="code" href="bignum_8h.html#a007d6236aebb0ff4a3d92ce8f525a3ae">mpi_lset</a>( &T2, 0 ) );</div>
<div class="line"><a name="l01318"></a><span class="lineno"> 1318</span>  T2.<a class="code" href="structmpi.html#aaeeabe339c1cc40d05bdb026666404f8">p</a>[0] = ( i < 2 ) ? 0 : X.<a class="code" href="structmpi.html#aaeeabe339c1cc40d05bdb026666404f8">p</a>[i - 2];</div>
<div class="line"><a name="l01319"></a><span class="lineno"> 1319</span>  T2.<a class="code" href="structmpi.html#aaeeabe339c1cc40d05bdb026666404f8">p</a>[1] = ( i < 1 ) ? 0 : X.<a class="code" href="structmpi.html#aaeeabe339c1cc40d05bdb026666404f8">p</a>[i - 1];</div>
<div class="line"><a name="l01320"></a><span class="lineno"> 1320</span>  T2.<a class="code" href="structmpi.html#aaeeabe339c1cc40d05bdb026666404f8">p</a>[2] = X.<a class="code" href="structmpi.html#aaeeabe339c1cc40d05bdb026666404f8">p</a>[i];</div>
<div class="line"><a name="l01321"></a><span class="lineno"> 1321</span>  }</div>
<div class="line"><a name="l01322"></a><span class="lineno"> 1322</span>  <span class="keywordflow">while</span>( <a class="code" href="bignum_8h.html#aec20dff9d78738e3c80b212df9875b83">mpi_cmp_mpi</a>( &T1, &T2 ) > 0 );</div>
<div class="line"><a name="l01323"></a><span class="lineno"> 1323</span> </div>
<div class="line"><a name="l01324"></a><span class="lineno"> 1324</span>  <a class="code" href="bignum_8h.html#a024b186dd3608bcbcfc9dd36212a18ec">MPI_CHK</a>( <a class="code" href="bignum_8h.html#a79ee36f6e38e4de6d24047bd685747b4">mpi_mul_int</a>( &T1, &Y, Z.<a class="code" href="structmpi.html#aaeeabe339c1cc40d05bdb026666404f8">p</a>[i - t - 1] ) );</div>
<div class="line"><a name="l01325"></a><span class="lineno"> 1325</span>  <a class="code" href="bignum_8h.html#a024b186dd3608bcbcfc9dd36212a18ec">MPI_CHK</a>( <a class="code" href="bignum_8h.html#a17537330dbe685ca867e52479a8ef7c3">mpi_shift_l</a>( &T1, biL * ( i - t - 1 ) ) );</div>
<div class="line"><a name="l01326"></a><span class="lineno"> 1326</span>  <a class="code" href="bignum_8h.html#a024b186dd3608bcbcfc9dd36212a18ec">MPI_CHK</a>( <a class="code" href="bignum_8h.html#a149a13ed93fddb432fb5edd3126b1186">mpi_sub_mpi</a>( &X, &X, &T1 ) );</div>
<div class="line"><a name="l01327"></a><span class="lineno"> 1327</span> </div>
<div class="line"><a name="l01328"></a><span class="lineno"> 1328</span>  <span class="keywordflow">if</span>( <a class="code" href="bignum_8h.html#aee6dc030f0fa278c1576c457088b4910">mpi_cmp_int</a>( &X, 0 ) < 0 )</div>
<div class="line"><a name="l01329"></a><span class="lineno"> 1329</span>  {</div>
<div class="line"><a name="l01330"></a><span class="lineno"> 1330</span>  <a class="code" href="bignum_8h.html#a024b186dd3608bcbcfc9dd36212a18ec">MPI_CHK</a>( <a class="code" href="bignum_8h.html#a6fbcce39a9d92d9e2a560f8aa6a810f4">mpi_copy</a>( &T1, &Y ) );</div>
<div class="line"><a name="l01331"></a><span class="lineno"> 1331</span>  <a class="code" href="bignum_8h.html#a024b186dd3608bcbcfc9dd36212a18ec">MPI_CHK</a>( <a class="code" href="bignum_8h.html#a17537330dbe685ca867e52479a8ef7c3">mpi_shift_l</a>( &T1, biL * ( i - t - 1 ) ) );</div>
<div class="line"><a name="l01332"></a><span class="lineno"> 1332</span>  <a class="code" href="bignum_8h.html#a024b186dd3608bcbcfc9dd36212a18ec">MPI_CHK</a>( <a class="code" href="bignum_8h.html#adf5b20e8d8c0a660e4f59f859a0bee18">mpi_add_mpi</a>( &X, &X, &T1 ) );</div>
<div class="line"><a name="l01333"></a><span class="lineno"> 1333</span>  Z.<a class="code" href="structmpi.html#aaeeabe339c1cc40d05bdb026666404f8">p</a>[i - t - 1]--;</div>
<div class="line"><a name="l01334"></a><span class="lineno"> 1334</span>  }</div>
<div class="line"><a name="l01335"></a><span class="lineno"> 1335</span>  }</div>
<div class="line"><a name="l01336"></a><span class="lineno"> 1336</span> </div>
<div class="line"><a name="l01337"></a><span class="lineno"> 1337</span>  <span class="keywordflow">if</span>( Q != NULL )</div>
<div class="line"><a name="l01338"></a><span class="lineno"> 1338</span>  {</div>
<div class="line"><a name="l01339"></a><span class="lineno"> 1339</span>  <a class="code" href="bignum_8h.html#a024b186dd3608bcbcfc9dd36212a18ec">MPI_CHK</a>( <a class="code" href="bignum_8h.html#a6fbcce39a9d92d9e2a560f8aa6a810f4">mpi_copy</a>( Q, &Z ) );</div>
<div class="line"><a name="l01340"></a><span class="lineno"> 1340</span>  Q-><a class="code" href="structmpi.html#ad44e921903bdc7fcc1cadad14784a59a">s</a> = A-><a class="code" href="structmpi.html#ad44e921903bdc7fcc1cadad14784a59a">s</a> * B-><a class="code" href="structmpi.html#ad44e921903bdc7fcc1cadad14784a59a">s</a>;</div>
<div class="line"><a name="l01341"></a><span class="lineno"> 1341</span>  }</div>
<div class="line"><a name="l01342"></a><span class="lineno"> 1342</span> </div>
<div class="line"><a name="l01343"></a><span class="lineno"> 1343</span>  <span class="keywordflow">if</span>( R != NULL )</div>
<div class="line"><a name="l01344"></a><span class="lineno"> 1344</span>  {</div>
<div class="line"><a name="l01345"></a><span class="lineno"> 1345</span>  <a class="code" href="bignum_8h.html#a024b186dd3608bcbcfc9dd36212a18ec">MPI_CHK</a>( <a class="code" href="bignum_8h.html#a01de1543da79d0ad0f58916d608f6ff8">mpi_shift_r</a>( &X, k ) );</div>
<div class="line"><a name="l01346"></a><span class="lineno"> 1346</span>  X.<a class="code" href="structmpi.html#ad44e921903bdc7fcc1cadad14784a59a">s</a> = A-><a class="code" href="structmpi.html#ad44e921903bdc7fcc1cadad14784a59a">s</a>;</div>
<div class="line"><a name="l01347"></a><span class="lineno"> 1347</span>  <a class="code" href="bignum_8h.html#a024b186dd3608bcbcfc9dd36212a18ec">MPI_CHK</a>( <a class="code" href="bignum_8h.html#a6fbcce39a9d92d9e2a560f8aa6a810f4">mpi_copy</a>( R, &X ) );</div>
<div class="line"><a name="l01348"></a><span class="lineno"> 1348</span> </div>
<div class="line"><a name="l01349"></a><span class="lineno"> 1349</span>  <span class="keywordflow">if</span>( <a class="code" href="bignum_8h.html#aee6dc030f0fa278c1576c457088b4910">mpi_cmp_int</a>( R, 0 ) == 0 )</div>
<div class="line"><a name="l01350"></a><span class="lineno"> 1350</span>  R-><a class="code" href="structmpi.html#ad44e921903bdc7fcc1cadad14784a59a">s</a> = 1;</div>
<div class="line"><a name="l01351"></a><span class="lineno"> 1351</span>  }</div>
<div class="line"><a name="l01352"></a><span class="lineno"> 1352</span> </div>
<div class="line"><a name="l01353"></a><span class="lineno"> 1353</span> cleanup:</div>
<div class="line"><a name="l01354"></a><span class="lineno"> 1354</span> </div>
<div class="line"><a name="l01355"></a><span class="lineno"> 1355</span>  <a class="code" href="bignum_8h.html#ae1f6507671587755e46bbf0afcae6a8c">mpi_free</a>( &X ); <a class="code" href="bignum_8h.html#ae1f6507671587755e46bbf0afcae6a8c">mpi_free</a>( &Y ); <a class="code" href="bignum_8h.html#ae1f6507671587755e46bbf0afcae6a8c">mpi_free</a>( &Z );</div>
<div class="line"><a name="l01356"></a><span class="lineno"> 1356</span>  <a class="code" href="bignum_8h.html#ae1f6507671587755e46bbf0afcae6a8c">mpi_free</a>( &T1 ); <a class="code" href="bignum_8h.html#ae1f6507671587755e46bbf0afcae6a8c">mpi_free</a>( &T2 );</div>
<div class="line"><a name="l01357"></a><span class="lineno"> 1357</span> </div>
<div class="line"><a name="l01358"></a><span class="lineno"> 1358</span>  <span class="keywordflow">return</span>( ret );</div>
<div class="line"><a name="l01359"></a><span class="lineno"> 1359</span> }</div>
<div class="line"><a name="l01360"></a><span class="lineno"> 1360</span> </div>
<div class="line"><a name="l01361"></a><span class="lineno"> 1361</span> <span class="comment">/*</span></div>
<div class="line"><a name="l01362"></a><span class="lineno"> 1362</span> <span class="comment"> * Division by int: A = Q * b + R</span></div>
<div class="line"><a name="l01363"></a><span class="lineno"> 1363</span> <span class="comment"> */</span></div>
<div class="line"><a name="l01364"></a><span class="lineno"> 1364</span> <span class="keywordtype">int</span> <a class="code" href="bignum_8h.html#a5a81c7b8a4c2a6f6268ac0596a9e7f31">mpi_div_int</a>( <a class="code" href="structmpi.html">mpi</a> *Q, <a class="code" href="structmpi.html">mpi</a> *R, <span class="keyword">const</span> <a class="code" href="structmpi.html">mpi</a> *A, <a class="code" href="bignum_8h.html#abbc933ccc2d1d02925e6886d9b4f5873">t_sint</a> b )</div>
<div class="line"><a name="l01365"></a><span class="lineno"> 1365</span> {</div>
<div class="line"><a name="l01366"></a><span class="lineno"> 1366</span>  <a class="code" href="structmpi.html">mpi</a> _B;</div>
<div class="line"><a name="l01367"></a><span class="lineno"> 1367</span>  <a class="code" href="bignum_8h.html#ad5d1464f801a0e7d2ed32a8f8dc2ccc9">t_uint</a> p[1];</div>
<div class="line"><a name="l01368"></a><span class="lineno"> 1368</span> </div>
<div class="line"><a name="l01369"></a><span class="lineno"> 1369</span>  p[0] = ( b < 0 ) ? -b : b;</div>
<div class="line"><a name="l01370"></a><span class="lineno"> 1370</span>  _B.<a class="code" href="structmpi.html#ad44e921903bdc7fcc1cadad14784a59a">s</a> = ( b < 0 ) ? -1 : 1;</div>
<div class="line"><a name="l01371"></a><span class="lineno"> 1371</span>  _B.<a class="code" href="structmpi.html#acc8d6d92112b326fcac7c6eff002feb1">n</a> = 1;</div>
<div class="line"><a name="l01372"></a><span class="lineno"> 1372</span>  _B.<a class="code" href="structmpi.html#aaeeabe339c1cc40d05bdb026666404f8">p</a> = p;</div>
<div class="line"><a name="l01373"></a><span class="lineno"> 1373</span> </div>
<div class="line"><a name="l01374"></a><span class="lineno"> 1374</span>  <span class="keywordflow">return</span>( <a class="code" href="bignum_8h.html#a0804ce20a4a1cba3e3dcd3ac520b1ffb">mpi_div_mpi</a>( Q, R, A, &_B ) );</div>
<div class="line"><a name="l01375"></a><span class="lineno"> 1375</span> }</div>
<div class="line"><a name="l01376"></a><span class="lineno"> 1376</span> </div>
<div class="line"><a name="l01377"></a><span class="lineno"> 1377</span> <span class="comment">/*</span></div>
<div class="line"><a name="l01378"></a><span class="lineno"> 1378</span> <span class="comment"> * Modulo: R = A mod B</span></div>
<div class="line"><a name="l01379"></a><span class="lineno"> 1379</span> <span class="comment"> */</span></div>
<div class="line"><a name="l01380"></a><span class="lineno"> 1380</span> <span class="keywordtype">int</span> <a class="code" href="bignum_8h.html#a075d3cf21cb3733e5f0a872e72b0cd15">mpi_mod_mpi</a>( <a class="code" href="structmpi.html">mpi</a> *R, <span class="keyword">const</span> <a class="code" href="structmpi.html">mpi</a> *A, <span class="keyword">const</span> <a class="code" href="structmpi.html">mpi</a> *B )</div>
<div class="line"><a name="l01381"></a><span class="lineno"> 1381</span> {</div>
<div class="line"><a name="l01382"></a><span class="lineno"> 1382</span>  <span class="keywordtype">int</span> ret;</div>
<div class="line"><a name="l01383"></a><span class="lineno"> 1383</span> </div>
<div class="line"><a name="l01384"></a><span class="lineno"> 1384</span>  <span class="keywordflow">if</span>( <a class="code" href="bignum_8h.html#aee6dc030f0fa278c1576c457088b4910">mpi_cmp_int</a>( B, 0 ) < 0 )</div>
<div class="line"><a name="l01385"></a><span class="lineno"> 1385</span>  <span class="keywordflow">return</span>( <a class="code" href="bignum_8h.html#afbbffbd20b56d2b8f3db8edf76cdbdb4">POLARSSL_ERR_MPI_NEGATIVE_VALUE</a> );</div>
<div class="line"><a name="l01386"></a><span class="lineno"> 1386</span> </div>
<div class="line"><a name="l01387"></a><span class="lineno"> 1387</span>  <a class="code" href="bignum_8h.html#a024b186dd3608bcbcfc9dd36212a18ec">MPI_CHK</a>( <a class="code" href="bignum_8h.html#a0804ce20a4a1cba3e3dcd3ac520b1ffb">mpi_div_mpi</a>( NULL, R, A, B ) );</div>
<div class="line"><a name="l01388"></a><span class="lineno"> 1388</span> </div>
<div class="line"><a name="l01389"></a><span class="lineno"> 1389</span>  <span class="keywordflow">while</span>( <a class="code" href="bignum_8h.html#aee6dc030f0fa278c1576c457088b4910">mpi_cmp_int</a>( R, 0 ) < 0 )</div>
<div class="line"><a name="l01390"></a><span class="lineno"> 1390</span>  <a class="code" href="bignum_8h.html#a024b186dd3608bcbcfc9dd36212a18ec">MPI_CHK</a>( <a class="code" href="bignum_8h.html#adf5b20e8d8c0a660e4f59f859a0bee18">mpi_add_mpi</a>( R, R, B ) );</div>
<div class="line"><a name="l01391"></a><span class="lineno"> 1391</span> </div>
<div class="line"><a name="l01392"></a><span class="lineno"> 1392</span>  <span class="keywordflow">while</span>( <a class="code" href="bignum_8h.html#aec20dff9d78738e3c80b212df9875b83">mpi_cmp_mpi</a>( R, B ) >= 0 )</div>
<div class="line"><a name="l01393"></a><span class="lineno"> 1393</span>  <a class="code" href="bignum_8h.html#a024b186dd3608bcbcfc9dd36212a18ec">MPI_CHK</a>( <a class="code" href="bignum_8h.html#a149a13ed93fddb432fb5edd3126b1186">mpi_sub_mpi</a>( R, R, B ) );</div>
<div class="line"><a name="l01394"></a><span class="lineno"> 1394</span> </div>
<div class="line"><a name="l01395"></a><span class="lineno"> 1395</span> cleanup:</div>
<div class="line"><a name="l01396"></a><span class="lineno"> 1396</span> </div>
<div class="line"><a name="l01397"></a><span class="lineno"> 1397</span>  <span class="keywordflow">return</span>( ret );</div>
<div class="line"><a name="l01398"></a><span class="lineno"> 1398</span> }</div>
<div class="line"><a name="l01399"></a><span class="lineno"> 1399</span> </div>
<div class="line"><a name="l01400"></a><span class="lineno"> 1400</span> <span class="comment">/*</span></div>
<div class="line"><a name="l01401"></a><span class="lineno"> 1401</span> <span class="comment"> * Modulo: r = A mod b</span></div>
<div class="line"><a name="l01402"></a><span class="lineno"> 1402</span> <span class="comment"> */</span></div>
<div class="line"><a name="l01403"></a><span class="lineno"> 1403</span> <span class="keywordtype">int</span> <a class="code" href="bignum_8h.html#a8cf9128e5d55fd1e95696fe8cb405b92">mpi_mod_int</a>( <a class="code" href="bignum_8h.html#ad5d1464f801a0e7d2ed32a8f8dc2ccc9">t_uint</a> *r, <span class="keyword">const</span> <a class="code" href="structmpi.html">mpi</a> *A, <a class="code" href="bignum_8h.html#abbc933ccc2d1d02925e6886d9b4f5873">t_sint</a> b )</div>
<div class="line"><a name="l01404"></a><span class="lineno"> 1404</span> {</div>
<div class="line"><a name="l01405"></a><span class="lineno"> 1405</span>  <span class="keywordtype">size_t</span> i;</div>
<div class="line"><a name="l01406"></a><span class="lineno"> 1406</span>  <a class="code" href="bignum_8h.html#ad5d1464f801a0e7d2ed32a8f8dc2ccc9">t_uint</a> x, y, z;</div>
<div class="line"><a name="l01407"></a><span class="lineno"> 1407</span> </div>
<div class="line"><a name="l01408"></a><span class="lineno"> 1408</span>  <span class="keywordflow">if</span>( b == 0 )</div>
<div class="line"><a name="l01409"></a><span class="lineno"> 1409</span>  <span class="keywordflow">return</span>( <a class="code" href="bignum_8h.html#a96380f09df1ad46baba97af000b05466">POLARSSL_ERR_MPI_DIVISION_BY_ZERO</a> );</div>
<div class="line"><a name="l01410"></a><span class="lineno"> 1410</span> </div>
<div class="line"><a name="l01411"></a><span class="lineno"> 1411</span>  <span class="keywordflow">if</span>( b < 0 )</div>
<div class="line"><a name="l01412"></a><span class="lineno"> 1412</span>  <span class="keywordflow">return</span>( <a class="code" href="bignum_8h.html#afbbffbd20b56d2b8f3db8edf76cdbdb4">POLARSSL_ERR_MPI_NEGATIVE_VALUE</a> );</div>
<div class="line"><a name="l01413"></a><span class="lineno"> 1413</span> </div>
<div class="line"><a name="l01414"></a><span class="lineno"> 1414</span>  <span class="comment">/*</span></div>
<div class="line"><a name="l01415"></a><span class="lineno"> 1415</span> <span class="comment"> * handle trivial cases</span></div>
<div class="line"><a name="l01416"></a><span class="lineno"> 1416</span> <span class="comment"> */</span></div>
<div class="line"><a name="l01417"></a><span class="lineno"> 1417</span>  <span class="keywordflow">if</span>( b == 1 )</div>
<div class="line"><a name="l01418"></a><span class="lineno"> 1418</span>  {</div>
<div class="line"><a name="l01419"></a><span class="lineno"> 1419</span>  *r = 0;</div>
<div class="line"><a name="l01420"></a><span class="lineno"> 1420</span>  <span class="keywordflow">return</span>( 0 );</div>
<div class="line"><a name="l01421"></a><span class="lineno"> 1421</span>  }</div>
<div class="line"><a name="l01422"></a><span class="lineno"> 1422</span> </div>
<div class="line"><a name="l01423"></a><span class="lineno"> 1423</span>  <span class="keywordflow">if</span>( b == 2 )</div>
<div class="line"><a name="l01424"></a><span class="lineno"> 1424</span>  {</div>
<div class="line"><a name="l01425"></a><span class="lineno"> 1425</span>  *r = A-><a class="code" href="structmpi.html#aaeeabe339c1cc40d05bdb026666404f8">p</a>[0] & 1;</div>
<div class="line"><a name="l01426"></a><span class="lineno"> 1426</span>  <span class="keywordflow">return</span>( 0 );</div>
<div class="line"><a name="l01427"></a><span class="lineno"> 1427</span>  }</div>
<div class="line"><a name="l01428"></a><span class="lineno"> 1428</span> </div>
<div class="line"><a name="l01429"></a><span class="lineno"> 1429</span>  <span class="comment">/*</span></div>
<div class="line"><a name="l01430"></a><span class="lineno"> 1430</span> <span class="comment"> * general case</span></div>
<div class="line"><a name="l01431"></a><span class="lineno"> 1431</span> <span class="comment"> */</span></div>
<div class="line"><a name="l01432"></a><span class="lineno"> 1432</span>  <span class="keywordflow">for</span>( i = A-><a class="code" href="structmpi.html#acc8d6d92112b326fcac7c6eff002feb1">n</a>, y = 0; i > 0; i-- )</div>
<div class="line"><a name="l01433"></a><span class="lineno"> 1433</span>  {</div>
<div class="line"><a name="l01434"></a><span class="lineno"> 1434</span>  x = A-><a class="code" href="structmpi.html#aaeeabe339c1cc40d05bdb026666404f8">p</a>[i - 1];</div>
<div class="line"><a name="l01435"></a><span class="lineno"> 1435</span>  y = ( y << biH ) | ( x >> biH );</div>
<div class="line"><a name="l01436"></a><span class="lineno"> 1436</span>  z = y / b;</div>
<div class="line"><a name="l01437"></a><span class="lineno"> 1437</span>  y -= z * b;</div>
<div class="line"><a name="l01438"></a><span class="lineno"> 1438</span> </div>
<div class="line"><a name="l01439"></a><span class="lineno"> 1439</span>  x <<= biH;</div>
<div class="line"><a name="l01440"></a><span class="lineno"> 1440</span>  y = ( y << biH ) | ( x >> biH );</div>
<div class="line"><a name="l01441"></a><span class="lineno"> 1441</span>  z = y / b;</div>
<div class="line"><a name="l01442"></a><span class="lineno"> 1442</span>  y -= z * b;</div>
<div class="line"><a name="l01443"></a><span class="lineno"> 1443</span>  }</div>
<div class="line"><a name="l01444"></a><span class="lineno"> 1444</span> </div>
<div class="line"><a name="l01445"></a><span class="lineno"> 1445</span>  <span class="comment">/*</span></div>
<div class="line"><a name="l01446"></a><span class="lineno"> 1446</span> <span class="comment"> * If A is negative, then the current y represents a negative value.</span></div>
<div class="line"><a name="l01447"></a><span class="lineno"> 1447</span> <span class="comment"> * Flipping it to the positive side.</span></div>
<div class="line"><a name="l01448"></a><span class="lineno"> 1448</span> <span class="comment"> */</span></div>
<div class="line"><a name="l01449"></a><span class="lineno"> 1449</span>  <span class="keywordflow">if</span>( A-><a class="code" href="structmpi.html#ad44e921903bdc7fcc1cadad14784a59a">s</a> < 0 && y != 0 )</div>
<div class="line"><a name="l01450"></a><span class="lineno"> 1450</span>  y = b - y;</div>
<div class="line"><a name="l01451"></a><span class="lineno"> 1451</span> </div>
<div class="line"><a name="l01452"></a><span class="lineno"> 1452</span>  *r = y;</div>
<div class="line"><a name="l01453"></a><span class="lineno"> 1453</span> </div>
<div class="line"><a name="l01454"></a><span class="lineno"> 1454</span>  <span class="keywordflow">return</span>( 0 );</div>
<div class="line"><a name="l01455"></a><span class="lineno"> 1455</span> }</div>
<div class="line"><a name="l01456"></a><span class="lineno"> 1456</span> </div>
<div class="line"><a name="l01457"></a><span class="lineno"> 1457</span> <span class="comment">/*</span></div>
<div class="line"><a name="l01458"></a><span class="lineno"> 1458</span> <span class="comment"> * Fast Montgomery initialization (thanks to Tom St Denis)</span></div>
<div class="line"><a name="l01459"></a><span class="lineno"> 1459</span> <span class="comment"> */</span></div>
<div class="line"><a name="l01460"></a><span class="lineno"> 1460</span> <span class="keyword">static</span> <span class="keywordtype">void</span> mpi_montg_init( <a class="code" href="bignum_8h.html#ad5d1464f801a0e7d2ed32a8f8dc2ccc9">t_uint</a> *mm, <span class="keyword">const</span> <a class="code" href="structmpi.html">mpi</a> *N )</div>
<div class="line"><a name="l01461"></a><span class="lineno"> 1461</span> {</div>
<div class="line"><a name="l01462"></a><span class="lineno"> 1462</span>  <a class="code" href="bignum_8h.html#ad5d1464f801a0e7d2ed32a8f8dc2ccc9">t_uint</a> x, m0 = N-><a class="code" href="structmpi.html#aaeeabe339c1cc40d05bdb026666404f8">p</a>[0];</div>
<div class="line"><a name="l01463"></a><span class="lineno"> 1463</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> i;</div>
<div class="line"><a name="l01464"></a><span class="lineno"> 1464</span> </div>
<div class="line"><a name="l01465"></a><span class="lineno"> 1465</span>  x = m0;</div>
<div class="line"><a name="l01466"></a><span class="lineno"> 1466</span>  x += ( ( m0 + 2 ) & 4 ) << 1;</div>
<div class="line"><a name="l01467"></a><span class="lineno"> 1467</span> </div>
<div class="line"><a name="l01468"></a><span class="lineno"> 1468</span>  <span class="keywordflow">for</span>( i = biL; i >= 8; i /= 2 )</div>
<div class="line"><a name="l01469"></a><span class="lineno"> 1469</span>  x *= ( 2 - ( m0 * x ) );</div>
<div class="line"><a name="l01470"></a><span class="lineno"> 1470</span> </div>
<div class="line"><a name="l01471"></a><span class="lineno"> 1471</span>  *mm = ~x + 1;</div>
<div class="line"><a name="l01472"></a><span class="lineno"> 1472</span> }</div>
<div class="line"><a name="l01473"></a><span class="lineno"> 1473</span> </div>
<div class="line"><a name="l01474"></a><span class="lineno"> 1474</span> <span class="comment">/*</span></div>
<div class="line"><a name="l01475"></a><span class="lineno"> 1475</span> <span class="comment"> * Montgomery multiplication: A = A * B * R^-1 mod N (HAC 14.36)</span></div>
<div class="line"><a name="l01476"></a><span class="lineno"> 1476</span> <span class="comment"> */</span></div>
<div class="line"><a name="l01477"></a><span class="lineno"> 1477</span> <span class="keyword">static</span> <span class="keywordtype">void</span> mpi_montmul( <a class="code" href="structmpi.html">mpi</a> *A, <span class="keyword">const</span> <a class="code" href="structmpi.html">mpi</a> *B, <span class="keyword">const</span> <a class="code" href="structmpi.html">mpi</a> *N, <a class="code" href="bignum_8h.html#ad5d1464f801a0e7d2ed32a8f8dc2ccc9">t_uint</a> mm,</div>
<div class="line"><a name="l01478"></a><span class="lineno"> 1478</span>  <span class="keyword">const</span> <a class="code" href="structmpi.html">mpi</a> *T )</div>
<div class="line"><a name="l01479"></a><span class="lineno"> 1479</span> {</div>
<div class="line"><a name="l01480"></a><span class="lineno"> 1480</span>  <span class="keywordtype">size_t</span> i, n, m;</div>
<div class="line"><a name="l01481"></a><span class="lineno"> 1481</span>  <a class="code" href="bignum_8h.html#ad5d1464f801a0e7d2ed32a8f8dc2ccc9">t_uint</a> u0, u1, *d;</div>
<div class="line"><a name="l01482"></a><span class="lineno"> 1482</span> </div>
<div class="line"><a name="l01483"></a><span class="lineno"> 1483</span>  memset( T-><a class="code" href="structmpi.html#aaeeabe339c1cc40d05bdb026666404f8">p</a>, 0, T-><a class="code" href="structmpi.html#acc8d6d92112b326fcac7c6eff002feb1">n</a> * ciL );</div>
<div class="line"><a name="l01484"></a><span class="lineno"> 1484</span> </div>
<div class="line"><a name="l01485"></a><span class="lineno"> 1485</span>  d = T-><a class="code" href="structmpi.html#aaeeabe339c1cc40d05bdb026666404f8">p</a>;</div>
<div class="line"><a name="l01486"></a><span class="lineno"> 1486</span>  n = N-><a class="code" href="structmpi.html#acc8d6d92112b326fcac7c6eff002feb1">n</a>;</div>
<div class="line"><a name="l01487"></a><span class="lineno"> 1487</span>  m = ( B-><a class="code" href="structmpi.html#acc8d6d92112b326fcac7c6eff002feb1">n</a> < n ) ? B-><a class="code" href="structmpi.html#acc8d6d92112b326fcac7c6eff002feb1">n</a> : n;</div>
<div class="line"><a name="l01488"></a><span class="lineno"> 1488</span> </div>
<div class="line"><a name="l01489"></a><span class="lineno"> 1489</span>  <span class="keywordflow">for</span>( i = 0; i < n; i++ )</div>
<div class="line"><a name="l01490"></a><span class="lineno"> 1490</span>  {</div>
<div class="line"><a name="l01491"></a><span class="lineno"> 1491</span>  <span class="comment">/*</span></div>
<div class="line"><a name="l01492"></a><span class="lineno"> 1492</span> <span class="comment"> * T = (T + u0*B + u1*N) / 2^biL</span></div>
<div class="line"><a name="l01493"></a><span class="lineno"> 1493</span> <span class="comment"> */</span></div>
<div class="line"><a name="l01494"></a><span class="lineno"> 1494</span>  u0 = A-><a class="code" href="structmpi.html#aaeeabe339c1cc40d05bdb026666404f8">p</a>[i];</div>
<div class="line"><a name="l01495"></a><span class="lineno"> 1495</span>  u1 = ( d[0] + u0 * B-><a class="code" href="structmpi.html#aaeeabe339c1cc40d05bdb026666404f8">p</a>[0] ) * mm;</div>
<div class="line"><a name="l01496"></a><span class="lineno"> 1496</span> </div>
<div class="line"><a name="l01497"></a><span class="lineno"> 1497</span>  mpi_mul_hlp( m, B-><a class="code" href="structmpi.html#aaeeabe339c1cc40d05bdb026666404f8">p</a>, d, u0 );</div>
<div class="line"><a name="l01498"></a><span class="lineno"> 1498</span>  mpi_mul_hlp( n, N-><a class="code" href="structmpi.html#aaeeabe339c1cc40d05bdb026666404f8">p</a>, d, u1 );</div>
<div class="line"><a name="l01499"></a><span class="lineno"> 1499</span> </div>
<div class="line"><a name="l01500"></a><span class="lineno"> 1500</span>  *d++ = u0; d[n + 1] = 0;</div>
<div class="line"><a name="l01501"></a><span class="lineno"> 1501</span>  }</div>
<div class="line"><a name="l01502"></a><span class="lineno"> 1502</span> </div>
<div class="line"><a name="l01503"></a><span class="lineno"> 1503</span>  memcpy( A-><a class="code" href="structmpi.html#aaeeabe339c1cc40d05bdb026666404f8">p</a>, d, ( n + 1 ) * ciL );</div>
<div class="line"><a name="l01504"></a><span class="lineno"> 1504</span> </div>
<div class="line"><a name="l01505"></a><span class="lineno"> 1505</span>  <span class="keywordflow">if</span>( <a class="code" href="bignum_8h.html#a6a692b3d8cd05ae753ab5a39b5634c0a">mpi_cmp_abs</a>( A, N ) >= 0 )</div>
<div class="line"><a name="l01506"></a><span class="lineno"> 1506</span>  mpi_sub_hlp( n, N-><a class="code" href="structmpi.html#aaeeabe339c1cc40d05bdb026666404f8">p</a>, A-><a class="code" href="structmpi.html#aaeeabe339c1cc40d05bdb026666404f8">p</a> );</div>
<div class="line"><a name="l01507"></a><span class="lineno"> 1507</span>  <span class="keywordflow">else</span></div>
<div class="line"><a name="l01508"></a><span class="lineno"> 1508</span>  <span class="comment">/* prevent timing attacks */</span></div>
<div class="line"><a name="l01509"></a><span class="lineno"> 1509</span>  mpi_sub_hlp( n, A-><a class="code" href="structmpi.html#aaeeabe339c1cc40d05bdb026666404f8">p</a>, T-><a class="code" href="structmpi.html#aaeeabe339c1cc40d05bdb026666404f8">p</a> );</div>
<div class="line"><a name="l01510"></a><span class="lineno"> 1510</span> }</div>
<div class="line"><a name="l01511"></a><span class="lineno"> 1511</span> </div>
<div class="line"><a name="l01512"></a><span class="lineno"> 1512</span> <span class="comment">/*</span></div>
<div class="line"><a name="l01513"></a><span class="lineno"> 1513</span> <span class="comment"> * Montgomery reduction: A = A * R^-1 mod N</span></div>
<div class="line"><a name="l01514"></a><span class="lineno"> 1514</span> <span class="comment"> */</span></div>
<div class="line"><a name="l01515"></a><span class="lineno"> 1515</span> <span class="keyword">static</span> <span class="keywordtype">void</span> mpi_montred( <a class="code" href="structmpi.html">mpi</a> *A, <span class="keyword">const</span> <a class="code" href="structmpi.html">mpi</a> *N, <a class="code" href="bignum_8h.html#ad5d1464f801a0e7d2ed32a8f8dc2ccc9">t_uint</a> mm, <span class="keyword">const</span> <a class="code" href="structmpi.html">mpi</a> *T )</div>
<div class="line"><a name="l01516"></a><span class="lineno"> 1516</span> {</div>
<div class="line"><a name="l01517"></a><span class="lineno"> 1517</span>  <a class="code" href="bignum_8h.html#ad5d1464f801a0e7d2ed32a8f8dc2ccc9">t_uint</a> z = 1;</div>
<div class="line"><a name="l01518"></a><span class="lineno"> 1518</span>  <a class="code" href="structmpi.html">mpi</a> U;</div>
<div class="line"><a name="l01519"></a><span class="lineno"> 1519</span> </div>
<div class="line"><a name="l01520"></a><span class="lineno"> 1520</span>  U.<a class="code" href="structmpi.html#acc8d6d92112b326fcac7c6eff002feb1">n</a> = U.<a class="code" href="structmpi.html#ad44e921903bdc7fcc1cadad14784a59a">s</a> = (int) z;</div>
<div class="line"><a name="l01521"></a><span class="lineno"> 1521</span>  U.<a class="code" href="structmpi.html#aaeeabe339c1cc40d05bdb026666404f8">p</a> = &z;</div>
<div class="line"><a name="l01522"></a><span class="lineno"> 1522</span> </div>
<div class="line"><a name="l01523"></a><span class="lineno"> 1523</span>  mpi_montmul( A, &U, N, mm, T );</div>
<div class="line"><a name="l01524"></a><span class="lineno"> 1524</span> }</div>
<div class="line"><a name="l01525"></a><span class="lineno"> 1525</span> </div>
<div class="line"><a name="l01526"></a><span class="lineno"> 1526</span> <span class="comment">/*</span></div>
<div class="line"><a name="l01527"></a><span class="lineno"> 1527</span> <span class="comment"> * Sliding-window exponentiation: X = A^E mod N (HAC 14.85)</span></div>
<div class="line"><a name="l01528"></a><span class="lineno"> 1528</span> <span class="comment"> */</span></div>
<div class="line"><a name="l01529"></a><span class="lineno"> 1529</span> <span class="keywordtype">int</span> <a class="code" href="bignum_8h.html#a84befed1943a584332e0599605b0d3fe">mpi_exp_mod</a>( <a class="code" href="structmpi.html">mpi</a> *X, <span class="keyword">const</span> <a class="code" href="structmpi.html">mpi</a> *A, <span class="keyword">const</span> <a class="code" href="structmpi.html">mpi</a> *E, <span class="keyword">const</span> <a class="code" href="structmpi.html">mpi</a> *N, <a class="code" href="structmpi.html">mpi</a> *_RR )</div>
<div class="line"><a name="l01530"></a><span class="lineno"> 1530</span> {</div>
<div class="line"><a name="l01531"></a><span class="lineno"> 1531</span>  <span class="keywordtype">int</span> ret;</div>
<div class="line"><a name="l01532"></a><span class="lineno"> 1532</span>  <span class="keywordtype">size_t</span> wbits, wsize, one = 1;</div>
<div class="line"><a name="l01533"></a><span class="lineno"> 1533</span>  <span class="keywordtype">size_t</span> i, j, nblimbs;</div>
<div class="line"><a name="l01534"></a><span class="lineno"> 1534</span>  <span class="keywordtype">size_t</span> bufsize, nbits;</div>
<div class="line"><a name="l01535"></a><span class="lineno"> 1535</span>  <a class="code" href="bignum_8h.html#ad5d1464f801a0e7d2ed32a8f8dc2ccc9">t_uint</a> ei, mm, state;</div>
<div class="line"><a name="l01536"></a><span class="lineno"> 1536</span>  <a class="code" href="structmpi.html">mpi</a> RR, T, W[ 2 << <a class="code" href="bignum_8h.html#a5eb26ce753f5110fd69713ea976fd63e">POLARSSL_MPI_WINDOW_SIZE</a> ], Apos;</div>
<div class="line"><a name="l01537"></a><span class="lineno"> 1537</span>  <span class="keywordtype">int</span> neg;</div>
<div class="line"><a name="l01538"></a><span class="lineno"> 1538</span> </div>
<div class="line"><a name="l01539"></a><span class="lineno"> 1539</span>  <span class="keywordflow">if</span>( <a class="code" href="bignum_8h.html#aee6dc030f0fa278c1576c457088b4910">mpi_cmp_int</a>( N, 0 ) < 0 || ( N-><a class="code" href="structmpi.html#aaeeabe339c1cc40d05bdb026666404f8">p</a>[0] & 1 ) == 0 )</div>
<div class="line"><a name="l01540"></a><span class="lineno"> 1540</span>  <span class="keywordflow">return</span>( <a class="code" href="bignum_8h.html#aad5959617396031440786cd8ff24712a">POLARSSL_ERR_MPI_BAD_INPUT_DATA</a> );</div>
<div class="line"><a name="l01541"></a><span class="lineno"> 1541</span> </div>
<div class="line"><a name="l01542"></a><span class="lineno"> 1542</span>  <span class="keywordflow">if</span>( <a class="code" href="bignum_8h.html#aee6dc030f0fa278c1576c457088b4910">mpi_cmp_int</a>( E, 0 ) < 0 )</div>
<div class="line"><a name="l01543"></a><span class="lineno"> 1543</span>  <span class="keywordflow">return</span>( <a class="code" href="bignum_8h.html#aad5959617396031440786cd8ff24712a">POLARSSL_ERR_MPI_BAD_INPUT_DATA</a> );</div>
<div class="line"><a name="l01544"></a><span class="lineno"> 1544</span> </div>
<div class="line"><a name="l01545"></a><span class="lineno"> 1545</span>  <span class="comment">/*</span></div>
<div class="line"><a name="l01546"></a><span class="lineno"> 1546</span> <span class="comment"> * Init temps and window size</span></div>
<div class="line"><a name="l01547"></a><span class="lineno"> 1547</span> <span class="comment"> */</span></div>
<div class="line"><a name="l01548"></a><span class="lineno"> 1548</span>  mpi_montg_init( &mm, N );</div>
<div class="line"><a name="l01549"></a><span class="lineno"> 1549</span>  <a class="code" href="bignum_8h.html#a201666869f65225d6535bcc697f95c9b">mpi_init</a>( &RR ); <a class="code" href="bignum_8h.html#a201666869f65225d6535bcc697f95c9b">mpi_init</a>( &T );</div>
<div class="line"><a name="l01550"></a><span class="lineno"> 1550</span>  <a class="code" href="bignum_8h.html#a201666869f65225d6535bcc697f95c9b">mpi_init</a>( &Apos );</div>
<div class="line"><a name="l01551"></a><span class="lineno"> 1551</span>  memset( W, 0, <span class="keyword">sizeof</span>( W ) );</div>
<div class="line"><a name="l01552"></a><span class="lineno"> 1552</span> </div>
<div class="line"><a name="l01553"></a><span class="lineno"> 1553</span>  i = <a class="code" href="bignum_8h.html#a4d461a7bff5a31df34bbf93ec00ab886">mpi_msb</a>( E );</div>
<div class="line"><a name="l01554"></a><span class="lineno"> 1554</span> </div>
<div class="line"><a name="l01555"></a><span class="lineno"> 1555</span>  wsize = ( i > 671 ) ? 6 : ( i > 239 ) ? 5 :</div>
<div class="line"><a name="l01556"></a><span class="lineno"> 1556</span>  ( i > 79 ) ? 4 : ( i > 23 ) ? 3 : 1;</div>
<div class="line"><a name="l01557"></a><span class="lineno"> 1557</span> </div>
<div class="line"><a name="l01558"></a><span class="lineno"> 1558</span>  <span class="keywordflow">if</span>( wsize > <a class="code" href="bignum_8h.html#a5eb26ce753f5110fd69713ea976fd63e">POLARSSL_MPI_WINDOW_SIZE</a> )</div>
<div class="line"><a name="l01559"></a><span class="lineno"> 1559</span>  wsize = <a class="code" href="bignum_8h.html#a5eb26ce753f5110fd69713ea976fd63e">POLARSSL_MPI_WINDOW_SIZE</a>;</div>
<div class="line"><a name="l01560"></a><span class="lineno"> 1560</span> </div>
<div class="line"><a name="l01561"></a><span class="lineno"> 1561</span>  j = N-><a class="code" href="structmpi.html#acc8d6d92112b326fcac7c6eff002feb1">n</a> + 1;</div>
<div class="line"><a name="l01562"></a><span class="lineno"> 1562</span>  <a class="code" href="bignum_8h.html#a024b186dd3608bcbcfc9dd36212a18ec">MPI_CHK</a>( <a class="code" href="bignum_8h.html#ac585f00fc9be270de074e8fbfb508d6a">mpi_grow</a>( X, j ) );</div>
<div class="line"><a name="l01563"></a><span class="lineno"> 1563</span>  <a class="code" href="bignum_8h.html#a024b186dd3608bcbcfc9dd36212a18ec">MPI_CHK</a>( <a class="code" href="bignum_8h.html#ac585f00fc9be270de074e8fbfb508d6a">mpi_grow</a>( &W[1], j ) );</div>
<div class="line"><a name="l01564"></a><span class="lineno"> 1564</span>  <a class="code" href="bignum_8h.html#a024b186dd3608bcbcfc9dd36212a18ec">MPI_CHK</a>( <a class="code" href="bignum_8h.html#ac585f00fc9be270de074e8fbfb508d6a">mpi_grow</a>( &T, j * 2 ) );</div>
<div class="line"><a name="l01565"></a><span class="lineno"> 1565</span> </div>
<div class="line"><a name="l01566"></a><span class="lineno"> 1566</span>  <span class="comment">/*</span></div>
<div class="line"><a name="l01567"></a><span class="lineno"> 1567</span> <span class="comment"> * Compensate for negative A (and correct at the end)</span></div>
<div class="line"><a name="l01568"></a><span class="lineno"> 1568</span> <span class="comment"> */</span></div>
<div class="line"><a name="l01569"></a><span class="lineno"> 1569</span>  neg = ( A-><a class="code" href="structmpi.html#ad44e921903bdc7fcc1cadad14784a59a">s</a> == -1 );</div>
<div class="line"><a name="l01570"></a><span class="lineno"> 1570</span>  <span class="keywordflow">if</span>( neg )</div>
<div class="line"><a name="l01571"></a><span class="lineno"> 1571</span>  {</div>
<div class="line"><a name="l01572"></a><span class="lineno"> 1572</span>  <a class="code" href="bignum_8h.html#a024b186dd3608bcbcfc9dd36212a18ec">MPI_CHK</a>( <a class="code" href="bignum_8h.html#a6fbcce39a9d92d9e2a560f8aa6a810f4">mpi_copy</a>( &Apos, A ) );</div>
<div class="line"><a name="l01573"></a><span class="lineno"> 1573</span>  Apos.<a class="code" href="structmpi.html#ad44e921903bdc7fcc1cadad14784a59a">s</a> = 1;</div>
<div class="line"><a name="l01574"></a><span class="lineno"> 1574</span>  A = &Apos;</div>
<div class="line"><a name="l01575"></a><span class="lineno"> 1575</span>  }</div>
<div class="line"><a name="l01576"></a><span class="lineno"> 1576</span> </div>
<div class="line"><a name="l01577"></a><span class="lineno"> 1577</span>  <span class="comment">/*</span></div>
<div class="line"><a name="l01578"></a><span class="lineno"> 1578</span> <span class="comment"> * If 1st call, pre-compute R^2 mod N</span></div>
<div class="line"><a name="l01579"></a><span class="lineno"> 1579</span> <span class="comment"> */</span></div>
<div class="line"><a name="l01580"></a><span class="lineno"> 1580</span>  <span class="keywordflow">if</span>( _RR == NULL || _RR-><a class="code" href="structmpi.html#aaeeabe339c1cc40d05bdb026666404f8">p</a> == NULL )</div>
<div class="line"><a name="l01581"></a><span class="lineno"> 1581</span>  {</div>
<div class="line"><a name="l01582"></a><span class="lineno"> 1582</span>  <a class="code" href="bignum_8h.html#a024b186dd3608bcbcfc9dd36212a18ec">MPI_CHK</a>( <a class="code" href="bignum_8h.html#a007d6236aebb0ff4a3d92ce8f525a3ae">mpi_lset</a>( &RR, 1 ) );</div>
<div class="line"><a name="l01583"></a><span class="lineno"> 1583</span>  <a class="code" href="bignum_8h.html#a024b186dd3608bcbcfc9dd36212a18ec">MPI_CHK</a>( <a class="code" href="bignum_8h.html#a17537330dbe685ca867e52479a8ef7c3">mpi_shift_l</a>( &RR, N-><a class="code" href="structmpi.html#acc8d6d92112b326fcac7c6eff002feb1">n</a> * 2 * biL ) );</div>
<div class="line"><a name="l01584"></a><span class="lineno"> 1584</span>  <a class="code" href="bignum_8h.html#a024b186dd3608bcbcfc9dd36212a18ec">MPI_CHK</a>( <a class="code" href="bignum_8h.html#a075d3cf21cb3733e5f0a872e72b0cd15">mpi_mod_mpi</a>( &RR, &RR, N ) );</div>
<div class="line"><a name="l01585"></a><span class="lineno"> 1585</span> </div>
<div class="line"><a name="l01586"></a><span class="lineno"> 1586</span>  <span class="keywordflow">if</span>( _RR != NULL )</div>
<div class="line"><a name="l01587"></a><span class="lineno"> 1587</span>  memcpy( _RR, &RR, <span class="keyword">sizeof</span>( <a class="code" href="structmpi.html">mpi</a> ) );</div>
<div class="line"><a name="l01588"></a><span class="lineno"> 1588</span>  }</div>
<div class="line"><a name="l01589"></a><span class="lineno"> 1589</span>  <span class="keywordflow">else</span></div>
<div class="line"><a name="l01590"></a><span class="lineno"> 1590</span>  memcpy( &RR, _RR, <span class="keyword">sizeof</span>( <a class="code" href="structmpi.html">mpi</a> ) );</div>
<div class="line"><a name="l01591"></a><span class="lineno"> 1591</span> </div>
<div class="line"><a name="l01592"></a><span class="lineno"> 1592</span>  <span class="comment">/*</span></div>
<div class="line"><a name="l01593"></a><span class="lineno"> 1593</span> <span class="comment"> * W[1] = A * R^2 * R^-1 mod N = A * R mod N</span></div>
<div class="line"><a name="l01594"></a><span class="lineno"> 1594</span> <span class="comment"> */</span></div>
<div class="line"><a name="l01595"></a><span class="lineno"> 1595</span>  <span class="keywordflow">if</span>( <a class="code" href="bignum_8h.html#aec20dff9d78738e3c80b212df9875b83">mpi_cmp_mpi</a>( A, N ) >= 0 )</div>
<div class="line"><a name="l01596"></a><span class="lineno"> 1596</span>  <a class="code" href="bignum_8h.html#a024b186dd3608bcbcfc9dd36212a18ec">MPI_CHK</a>( <a class="code" href="bignum_8h.html#a075d3cf21cb3733e5f0a872e72b0cd15">mpi_mod_mpi</a>( &W[1], A, N ) );</div>
<div class="line"><a name="l01597"></a><span class="lineno"> 1597</span>  <span class="keywordflow">else</span></div>
<div class="line"><a name="l01598"></a><span class="lineno"> 1598</span>  <a class="code" href="bignum_8h.html#a024b186dd3608bcbcfc9dd36212a18ec">MPI_CHK</a>( <a class="code" href="bignum_8h.html#a6fbcce39a9d92d9e2a560f8aa6a810f4">mpi_copy</a>( &W[1], A ) );</div>
<div class="line"><a name="l01599"></a><span class="lineno"> 1599</span> </div>
<div class="line"><a name="l01600"></a><span class="lineno"> 1600</span>  mpi_montmul( &W[1], &RR, N, mm, &T );</div>
<div class="line"><a name="l01601"></a><span class="lineno"> 1601</span> </div>
<div class="line"><a name="l01602"></a><span class="lineno"> 1602</span>  <span class="comment">/*</span></div>
<div class="line"><a name="l01603"></a><span class="lineno"> 1603</span> <span class="comment"> * X = R^2 * R^-1 mod N = R mod N</span></div>
<div class="line"><a name="l01604"></a><span class="lineno"> 1604</span> <span class="comment"> */</span></div>
<div class="line"><a name="l01605"></a><span class="lineno"> 1605</span>  <a class="code" href="bignum_8h.html#a024b186dd3608bcbcfc9dd36212a18ec">MPI_CHK</a>( <a class="code" href="bignum_8h.html#a6fbcce39a9d92d9e2a560f8aa6a810f4">mpi_copy</a>( X, &RR ) );</div>
<div class="line"><a name="l01606"></a><span class="lineno"> 1606</span>  mpi_montred( X, N, mm, &T );</div>
<div class="line"><a name="l01607"></a><span class="lineno"> 1607</span> </div>
<div class="line"><a name="l01608"></a><span class="lineno"> 1608</span>  <span class="keywordflow">if</span>( wsize > 1 )</div>
<div class="line"><a name="l01609"></a><span class="lineno"> 1609</span>  {</div>
<div class="line"><a name="l01610"></a><span class="lineno"> 1610</span>  <span class="comment">/*</span></div>
<div class="line"><a name="l01611"></a><span class="lineno"> 1611</span> <span class="comment"> * W[1 << (wsize - 1)] = W[1] ^ (wsize - 1)</span></div>
<div class="line"><a name="l01612"></a><span class="lineno"> 1612</span> <span class="comment"> */</span></div>
<div class="line"><a name="l01613"></a><span class="lineno"> 1613</span>  j = one << ( wsize - 1 );</div>
<div class="line"><a name="l01614"></a><span class="lineno"> 1614</span> </div>
<div class="line"><a name="l01615"></a><span class="lineno"> 1615</span>  <a class="code" href="bignum_8h.html#a024b186dd3608bcbcfc9dd36212a18ec">MPI_CHK</a>( <a class="code" href="bignum_8h.html#ac585f00fc9be270de074e8fbfb508d6a">mpi_grow</a>( &W[j], N-><a class="code" href="structmpi.html#acc8d6d92112b326fcac7c6eff002feb1">n</a> + 1 ) );</div>
<div class="line"><a name="l01616"></a><span class="lineno"> 1616</span>  <a class="code" href="bignum_8h.html#a024b186dd3608bcbcfc9dd36212a18ec">MPI_CHK</a>( <a class="code" href="bignum_8h.html#a6fbcce39a9d92d9e2a560f8aa6a810f4">mpi_copy</a>( &W[j], &W[1] ) );</div>
<div class="line"><a name="l01617"></a><span class="lineno"> 1617</span> </div>
<div class="line"><a name="l01618"></a><span class="lineno"> 1618</span>  <span class="keywordflow">for</span>( i = 0; i < wsize - 1; i++ )</div>
<div class="line"><a name="l01619"></a><span class="lineno"> 1619</span>  mpi_montmul( &W[j], &W[j], N, mm, &T );</div>
<div class="line"><a name="l01620"></a><span class="lineno"> 1620</span> </div>
<div class="line"><a name="l01621"></a><span class="lineno"> 1621</span>  <span class="comment">/*</span></div>
<div class="line"><a name="l01622"></a><span class="lineno"> 1622</span> <span class="comment"> * W[i] = W[i - 1] * W[1]</span></div>
<div class="line"><a name="l01623"></a><span class="lineno"> 1623</span> <span class="comment"> */</span></div>
<div class="line"><a name="l01624"></a><span class="lineno"> 1624</span>  <span class="keywordflow">for</span>( i = j + 1; i < ( one << wsize ); i++ )</div>
<div class="line"><a name="l01625"></a><span class="lineno"> 1625</span>  {</div>
<div class="line"><a name="l01626"></a><span class="lineno"> 1626</span>  <a class="code" href="bignum_8h.html#a024b186dd3608bcbcfc9dd36212a18ec">MPI_CHK</a>( <a class="code" href="bignum_8h.html#ac585f00fc9be270de074e8fbfb508d6a">mpi_grow</a>( &W[i], N-><a class="code" href="structmpi.html#acc8d6d92112b326fcac7c6eff002feb1">n</a> + 1 ) );</div>
<div class="line"><a name="l01627"></a><span class="lineno"> 1627</span>  <a class="code" href="bignum_8h.html#a024b186dd3608bcbcfc9dd36212a18ec">MPI_CHK</a>( <a class="code" href="bignum_8h.html#a6fbcce39a9d92d9e2a560f8aa6a810f4">mpi_copy</a>( &W[i], &W[i - 1] ) );</div>
<div class="line"><a name="l01628"></a><span class="lineno"> 1628</span> </div>
<div class="line"><a name="l01629"></a><span class="lineno"> 1629</span>  mpi_montmul( &W[i], &W[1], N, mm, &T );</div>
<div class="line"><a name="l01630"></a><span class="lineno"> 1630</span>  }</div>
<div class="line"><a name="l01631"></a><span class="lineno"> 1631</span>  }</div>
<div class="line"><a name="l01632"></a><span class="lineno"> 1632</span> </div>
<div class="line"><a name="l01633"></a><span class="lineno"> 1633</span>  nblimbs = E-><a class="code" href="structmpi.html#acc8d6d92112b326fcac7c6eff002feb1">n</a>;</div>
<div class="line"><a name="l01634"></a><span class="lineno"> 1634</span>  bufsize = 0;</div>
<div class="line"><a name="l01635"></a><span class="lineno"> 1635</span>  nbits = 0;</div>
<div class="line"><a name="l01636"></a><span class="lineno"> 1636</span>  wbits = 0;</div>
<div class="line"><a name="l01637"></a><span class="lineno"> 1637</span>  state = 0;</div>
<div class="line"><a name="l01638"></a><span class="lineno"> 1638</span> </div>
<div class="line"><a name="l01639"></a><span class="lineno"> 1639</span>  <span class="keywordflow">while</span>( 1 )</div>
<div class="line"><a name="l01640"></a><span class="lineno"> 1640</span>  {</div>
<div class="line"><a name="l01641"></a><span class="lineno"> 1641</span>  <span class="keywordflow">if</span>( bufsize == 0 )</div>
<div class="line"><a name="l01642"></a><span class="lineno"> 1642</span>  {</div>
<div class="line"><a name="l01643"></a><span class="lineno"> 1643</span>  <span class="keywordflow">if</span>( nblimbs == 0 )</div>
<div class="line"><a name="l01644"></a><span class="lineno"> 1644</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l01645"></a><span class="lineno"> 1645</span> </div>
<div class="line"><a name="l01646"></a><span class="lineno"> 1646</span>  nblimbs--;</div>
<div class="line"><a name="l01647"></a><span class="lineno"> 1647</span> </div>
<div class="line"><a name="l01648"></a><span class="lineno"> 1648</span>  bufsize = <span class="keyword">sizeof</span>( <a class="code" href="bignum_8h.html#ad5d1464f801a0e7d2ed32a8f8dc2ccc9">t_uint</a> ) << 3;</div>
<div class="line"><a name="l01649"></a><span class="lineno"> 1649</span>  }</div>
<div class="line"><a name="l01650"></a><span class="lineno"> 1650</span> </div>
<div class="line"><a name="l01651"></a><span class="lineno"> 1651</span>  bufsize--;</div>
<div class="line"><a name="l01652"></a><span class="lineno"> 1652</span> </div>
<div class="line"><a name="l01653"></a><span class="lineno"> 1653</span>  ei = (E-><a class="code" href="structmpi.html#aaeeabe339c1cc40d05bdb026666404f8">p</a>[nblimbs] >> bufsize) & 1;</div>
<div class="line"><a name="l01654"></a><span class="lineno"> 1654</span> </div>
<div class="line"><a name="l01655"></a><span class="lineno"> 1655</span>  <span class="comment">/*</span></div>
<div class="line"><a name="l01656"></a><span class="lineno"> 1656</span> <span class="comment"> * skip leading 0s</span></div>
<div class="line"><a name="l01657"></a><span class="lineno"> 1657</span> <span class="comment"> */</span></div>
<div class="line"><a name="l01658"></a><span class="lineno"> 1658</span>  <span class="keywordflow">if</span>( ei == 0 && state == 0 )</div>
<div class="line"><a name="l01659"></a><span class="lineno"> 1659</span>  <span class="keywordflow">continue</span>;</div>
<div class="line"><a name="l01660"></a><span class="lineno"> 1660</span> </div>
<div class="line"><a name="l01661"></a><span class="lineno"> 1661</span>  <span class="keywordflow">if</span>( ei == 0 && state == 1 )</div>
<div class="line"><a name="l01662"></a><span class="lineno"> 1662</span>  {</div>
<div class="line"><a name="l01663"></a><span class="lineno"> 1663</span>  <span class="comment">/*</span></div>
<div class="line"><a name="l01664"></a><span class="lineno"> 1664</span> <span class="comment"> * out of window, square X</span></div>
<div class="line"><a name="l01665"></a><span class="lineno"> 1665</span> <span class="comment"> */</span></div>
<div class="line"><a name="l01666"></a><span class="lineno"> 1666</span>  mpi_montmul( X, X, N, mm, &T );</div>
<div class="line"><a name="l01667"></a><span class="lineno"> 1667</span>  <span class="keywordflow">continue</span>;</div>
<div class="line"><a name="l01668"></a><span class="lineno"> 1668</span>  }</div>
<div class="line"><a name="l01669"></a><span class="lineno"> 1669</span> </div>
<div class="line"><a name="l01670"></a><span class="lineno"> 1670</span>  <span class="comment">/*</span></div>
<div class="line"><a name="l01671"></a><span class="lineno"> 1671</span> <span class="comment"> * add ei to current window</span></div>
<div class="line"><a name="l01672"></a><span class="lineno"> 1672</span> <span class="comment"> */</span></div>
<div class="line"><a name="l01673"></a><span class="lineno"> 1673</span>  state = 2;</div>
<div class="line"><a name="l01674"></a><span class="lineno"> 1674</span> </div>
<div class="line"><a name="l01675"></a><span class="lineno"> 1675</span>  nbits++;</div>
<div class="line"><a name="l01676"></a><span class="lineno"> 1676</span>  wbits |= ( ei << ( wsize - nbits ) );</div>
<div class="line"><a name="l01677"></a><span class="lineno"> 1677</span> </div>
<div class="line"><a name="l01678"></a><span class="lineno"> 1678</span>  <span class="keywordflow">if</span>( nbits == wsize )</div>
<div class="line"><a name="l01679"></a><span class="lineno"> 1679</span>  {</div>
<div class="line"><a name="l01680"></a><span class="lineno"> 1680</span>  <span class="comment">/*</span></div>
<div class="line"><a name="l01681"></a><span class="lineno"> 1681</span> <span class="comment"> * X = X^wsize R^-1 mod N</span></div>
<div class="line"><a name="l01682"></a><span class="lineno"> 1682</span> <span class="comment"> */</span></div>
<div class="line"><a name="l01683"></a><span class="lineno"> 1683</span>  <span class="keywordflow">for</span>( i = 0; i < wsize; i++ )</div>
<div class="line"><a name="l01684"></a><span class="lineno"> 1684</span>  mpi_montmul( X, X, N, mm, &T );</div>
<div class="line"><a name="l01685"></a><span class="lineno"> 1685</span> </div>
<div class="line"><a name="l01686"></a><span class="lineno"> 1686</span>  <span class="comment">/*</span></div>
<div class="line"><a name="l01687"></a><span class="lineno"> 1687</span> <span class="comment"> * X = X * W[wbits] R^-1 mod N</span></div>
<div class="line"><a name="l01688"></a><span class="lineno"> 1688</span> <span class="comment"> */</span></div>
<div class="line"><a name="l01689"></a><span class="lineno"> 1689</span>  mpi_montmul( X, &W[wbits], N, mm, &T );</div>
<div class="line"><a name="l01690"></a><span class="lineno"> 1690</span> </div>
<div class="line"><a name="l01691"></a><span class="lineno"> 1691</span>  state--;</div>
<div class="line"><a name="l01692"></a><span class="lineno"> 1692</span>  nbits = 0;</div>
<div class="line"><a name="l01693"></a><span class="lineno"> 1693</span>  wbits = 0;</div>
<div class="line"><a name="l01694"></a><span class="lineno"> 1694</span>  }</div>
<div class="line"><a name="l01695"></a><span class="lineno"> 1695</span>  }</div>
<div class="line"><a name="l01696"></a><span class="lineno"> 1696</span> </div>
<div class="line"><a name="l01697"></a><span class="lineno"> 1697</span>  <span class="comment">/*</span></div>
<div class="line"><a name="l01698"></a><span class="lineno"> 1698</span> <span class="comment"> * process the remaining bits</span></div>
<div class="line"><a name="l01699"></a><span class="lineno"> 1699</span> <span class="comment"> */</span></div>
<div class="line"><a name="l01700"></a><span class="lineno"> 1700</span>  <span class="keywordflow">for</span>( i = 0; i < nbits; i++ )</div>
<div class="line"><a name="l01701"></a><span class="lineno"> 1701</span>  {</div>
<div class="line"><a name="l01702"></a><span class="lineno"> 1702</span>  mpi_montmul( X, X, N, mm, &T );</div>
<div class="line"><a name="l01703"></a><span class="lineno"> 1703</span> </div>
<div class="line"><a name="l01704"></a><span class="lineno"> 1704</span>  wbits <<= 1;</div>
<div class="line"><a name="l01705"></a><span class="lineno"> 1705</span> </div>
<div class="line"><a name="l01706"></a><span class="lineno"> 1706</span>  <span class="keywordflow">if</span>( ( wbits & ( one << wsize ) ) != 0 )</div>
<div class="line"><a name="l01707"></a><span class="lineno"> 1707</span>  mpi_montmul( X, &W[1], N, mm, &T );</div>
<div class="line"><a name="l01708"></a><span class="lineno"> 1708</span>  }</div>
<div class="line"><a name="l01709"></a><span class="lineno"> 1709</span> </div>
<div class="line"><a name="l01710"></a><span class="lineno"> 1710</span>  <span class="comment">/*</span></div>
<div class="line"><a name="l01711"></a><span class="lineno"> 1711</span> <span class="comment"> * X = A^E * R * R^-1 mod N = A^E mod N</span></div>
<div class="line"><a name="l01712"></a><span class="lineno"> 1712</span> <span class="comment"> */</span></div>
<div class="line"><a name="l01713"></a><span class="lineno"> 1713</span>  mpi_montred( X, N, mm, &T );</div>
<div class="line"><a name="l01714"></a><span class="lineno"> 1714</span> </div>
<div class="line"><a name="l01715"></a><span class="lineno"> 1715</span>  <span class="keywordflow">if</span>( neg )</div>
<div class="line"><a name="l01716"></a><span class="lineno"> 1716</span>  {</div>
<div class="line"><a name="l01717"></a><span class="lineno"> 1717</span>  X-><a class="code" href="structmpi.html#ad44e921903bdc7fcc1cadad14784a59a">s</a> = -1;</div>
<div class="line"><a name="l01718"></a><span class="lineno"> 1718</span>  <a class="code" href="bignum_8h.html#a024b186dd3608bcbcfc9dd36212a18ec">MPI_CHK</a>( <a class="code" href="bignum_8h.html#adf5b20e8d8c0a660e4f59f859a0bee18">mpi_add_mpi</a>( X, N, X ) );</div>
<div class="line"><a name="l01719"></a><span class="lineno"> 1719</span>  }</div>
<div class="line"><a name="l01720"></a><span class="lineno"> 1720</span> </div>
<div class="line"><a name="l01721"></a><span class="lineno"> 1721</span> cleanup:</div>
<div class="line"><a name="l01722"></a><span class="lineno"> 1722</span> </div>
<div class="line"><a name="l01723"></a><span class="lineno"> 1723</span>  <span class="keywordflow">for</span>( i = ( one << ( wsize - 1 ) ); i < ( one << wsize ); i++ )</div>
<div class="line"><a name="l01724"></a><span class="lineno"> 1724</span>  <a class="code" href="bignum_8h.html#ae1f6507671587755e46bbf0afcae6a8c">mpi_free</a>( &W[i] );</div>
<div class="line"><a name="l01725"></a><span class="lineno"> 1725</span> </div>
<div class="line"><a name="l01726"></a><span class="lineno"> 1726</span>  <a class="code" href="bignum_8h.html#ae1f6507671587755e46bbf0afcae6a8c">mpi_free</a>( &W[1] ); <a class="code" href="bignum_8h.html#ae1f6507671587755e46bbf0afcae6a8c">mpi_free</a>( &T ); <a class="code" href="bignum_8h.html#ae1f6507671587755e46bbf0afcae6a8c">mpi_free</a>( &Apos );</div>
<div class="line"><a name="l01727"></a><span class="lineno"> 1727</span> </div>
<div class="line"><a name="l01728"></a><span class="lineno"> 1728</span>  <span class="keywordflow">if</span>( _RR == NULL || _RR-><a class="code" href="structmpi.html#aaeeabe339c1cc40d05bdb026666404f8">p</a> == NULL )</div>
<div class="line"><a name="l01729"></a><span class="lineno"> 1729</span>  <a class="code" href="bignum_8h.html#ae1f6507671587755e46bbf0afcae6a8c">mpi_free</a>( &RR );</div>
<div class="line"><a name="l01730"></a><span class="lineno"> 1730</span> </div>
<div class="line"><a name="l01731"></a><span class="lineno"> 1731</span>  <span class="keywordflow">return</span>( ret );</div>
<div class="line"><a name="l01732"></a><span class="lineno"> 1732</span> }</div>
<div class="line"><a name="l01733"></a><span class="lineno"> 1733</span> </div>
<div class="line"><a name="l01734"></a><span class="lineno"> 1734</span> <span class="comment">/*</span></div>
<div class="line"><a name="l01735"></a><span class="lineno"> 1735</span> <span class="comment"> * Greatest common divisor: G = gcd(A, B) (HAC 14.54)</span></div>
<div class="line"><a name="l01736"></a><span class="lineno"> 1736</span> <span class="comment"> */</span></div>
<div class="line"><a name="l01737"></a><span class="lineno"> 1737</span> <span class="keywordtype">int</span> <a class="code" href="bignum_8h.html#ab1448e8d36dbf542b2230131da8298aa">mpi_gcd</a>( <a class="code" href="structmpi.html">mpi</a> *G, <span class="keyword">const</span> <a class="code" href="structmpi.html">mpi</a> *A, <span class="keyword">const</span> <a class="code" href="structmpi.html">mpi</a> *B )</div>
<div class="line"><a name="l01738"></a><span class="lineno"> 1738</span> {</div>
<div class="line"><a name="l01739"></a><span class="lineno"> 1739</span>  <span class="keywordtype">int</span> ret;</div>
<div class="line"><a name="l01740"></a><span class="lineno"> 1740</span>  <span class="keywordtype">size_t</span> lz, lzt;</div>
<div class="line"><a name="l01741"></a><span class="lineno"> 1741</span>  <a class="code" href="structmpi.html">mpi</a> TG, TA, TB;</div>
<div class="line"><a name="l01742"></a><span class="lineno"> 1742</span> </div>
<div class="line"><a name="l01743"></a><span class="lineno"> 1743</span>  <a class="code" href="bignum_8h.html#a201666869f65225d6535bcc697f95c9b">mpi_init</a>( &TG ); <a class="code" href="bignum_8h.html#a201666869f65225d6535bcc697f95c9b">mpi_init</a>( &TA ); <a class="code" href="bignum_8h.html#a201666869f65225d6535bcc697f95c9b">mpi_init</a>( &TB );</div>
<div class="line"><a name="l01744"></a><span class="lineno"> 1744</span> </div>
<div class="line"><a name="l01745"></a><span class="lineno"> 1745</span>  <a class="code" href="bignum_8h.html#a024b186dd3608bcbcfc9dd36212a18ec">MPI_CHK</a>( <a class="code" href="bignum_8h.html#a6fbcce39a9d92d9e2a560f8aa6a810f4">mpi_copy</a>( &TA, A ) );</div>
<div class="line"><a name="l01746"></a><span class="lineno"> 1746</span>  <a class="code" href="bignum_8h.html#a024b186dd3608bcbcfc9dd36212a18ec">MPI_CHK</a>( <a class="code" href="bignum_8h.html#a6fbcce39a9d92d9e2a560f8aa6a810f4">mpi_copy</a>( &TB, B ) );</div>
<div class="line"><a name="l01747"></a><span class="lineno"> 1747</span> </div>
<div class="line"><a name="l01748"></a><span class="lineno"> 1748</span>  lz = <a class="code" href="bignum_8h.html#a6d6079272ffa625501f58127172a4f53">mpi_lsb</a>( &TA );</div>
<div class="line"><a name="l01749"></a><span class="lineno"> 1749</span>  lzt = <a class="code" href="bignum_8h.html#a6d6079272ffa625501f58127172a4f53">mpi_lsb</a>( &TB );</div>
<div class="line"><a name="l01750"></a><span class="lineno"> 1750</span> </div>
<div class="line"><a name="l01751"></a><span class="lineno"> 1751</span>  <span class="keywordflow">if</span>( lzt < lz )</div>
<div class="line"><a name="l01752"></a><span class="lineno"> 1752</span>  lz = lzt;</div>
<div class="line"><a name="l01753"></a><span class="lineno"> 1753</span> </div>
<div class="line"><a name="l01754"></a><span class="lineno"> 1754</span>  <a class="code" href="bignum_8h.html#a024b186dd3608bcbcfc9dd36212a18ec">MPI_CHK</a>( <a class="code" href="bignum_8h.html#a01de1543da79d0ad0f58916d608f6ff8">mpi_shift_r</a>( &TA, lz ) );</div>
<div class="line"><a name="l01755"></a><span class="lineno"> 1755</span>  <a class="code" href="bignum_8h.html#a024b186dd3608bcbcfc9dd36212a18ec">MPI_CHK</a>( <a class="code" href="bignum_8h.html#a01de1543da79d0ad0f58916d608f6ff8">mpi_shift_r</a>( &TB, lz ) );</div>
<div class="line"><a name="l01756"></a><span class="lineno"> 1756</span> </div>
<div class="line"><a name="l01757"></a><span class="lineno"> 1757</span>  TA.<a class="code" href="structmpi.html#ad44e921903bdc7fcc1cadad14784a59a">s</a> = TB.<a class="code" href="structmpi.html#ad44e921903bdc7fcc1cadad14784a59a">s</a> = 1;</div>
<div class="line"><a name="l01758"></a><span class="lineno"> 1758</span> </div>
<div class="line"><a name="l01759"></a><span class="lineno"> 1759</span>  <span class="keywordflow">while</span>( <a class="code" href="bignum_8h.html#aee6dc030f0fa278c1576c457088b4910">mpi_cmp_int</a>( &TA, 0 ) != 0 )</div>
<div class="line"><a name="l01760"></a><span class="lineno"> 1760</span>  {</div>
<div class="line"><a name="l01761"></a><span class="lineno"> 1761</span>  <a class="code" href="bignum_8h.html#a024b186dd3608bcbcfc9dd36212a18ec">MPI_CHK</a>( <a class="code" href="bignum_8h.html#a01de1543da79d0ad0f58916d608f6ff8">mpi_shift_r</a>( &TA, <a class="code" href="bignum_8h.html#a6d6079272ffa625501f58127172a4f53">mpi_lsb</a>( &TA ) ) );</div>
<div class="line"><a name="l01762"></a><span class="lineno"> 1762</span>  <a class="code" href="bignum_8h.html#a024b186dd3608bcbcfc9dd36212a18ec">MPI_CHK</a>( <a class="code" href="bignum_8h.html#a01de1543da79d0ad0f58916d608f6ff8">mpi_shift_r</a>( &TB, <a class="code" href="bignum_8h.html#a6d6079272ffa625501f58127172a4f53">mpi_lsb</a>( &TB ) ) );</div>
<div class="line"><a name="l01763"></a><span class="lineno"> 1763</span> </div>
<div class="line"><a name="l01764"></a><span class="lineno"> 1764</span>  <span class="keywordflow">if</span>( <a class="code" href="bignum_8h.html#aec20dff9d78738e3c80b212df9875b83">mpi_cmp_mpi</a>( &TA, &TB ) >= 0 )</div>
<div class="line"><a name="l01765"></a><span class="lineno"> 1765</span>  {</div>
<div class="line"><a name="l01766"></a><span class="lineno"> 1766</span>  <a class="code" href="bignum_8h.html#a024b186dd3608bcbcfc9dd36212a18ec">MPI_CHK</a>( <a class="code" href="bignum_8h.html#a19d09ef62c09539feb7f9b3045cfb1fe">mpi_sub_abs</a>( &TA, &TA, &TB ) );</div>
<div class="line"><a name="l01767"></a><span class="lineno"> 1767</span>  <a class="code" href="bignum_8h.html#a024b186dd3608bcbcfc9dd36212a18ec">MPI_CHK</a>( <a class="code" href="bignum_8h.html#a01de1543da79d0ad0f58916d608f6ff8">mpi_shift_r</a>( &TA, 1 ) );</div>
<div class="line"><a name="l01768"></a><span class="lineno"> 1768</span>  }</div>
<div class="line"><a name="l01769"></a><span class="lineno"> 1769</span>  <span class="keywordflow">else</span></div>
<div class="line"><a name="l01770"></a><span class="lineno"> 1770</span>  {</div>
<div class="line"><a name="l01771"></a><span class="lineno"> 1771</span>  <a class="code" href="bignum_8h.html#a024b186dd3608bcbcfc9dd36212a18ec">MPI_CHK</a>( <a class="code" href="bignum_8h.html#a19d09ef62c09539feb7f9b3045cfb1fe">mpi_sub_abs</a>( &TB, &TB, &TA ) );</div>
<div class="line"><a name="l01772"></a><span class="lineno"> 1772</span>  <a class="code" href="bignum_8h.html#a024b186dd3608bcbcfc9dd36212a18ec">MPI_CHK</a>( <a class="code" href="bignum_8h.html#a01de1543da79d0ad0f58916d608f6ff8">mpi_shift_r</a>( &TB, 1 ) );</div>
<div class="line"><a name="l01773"></a><span class="lineno"> 1773</span>  }</div>
<div class="line"><a name="l01774"></a><span class="lineno"> 1774</span>  }</div>
<div class="line"><a name="l01775"></a><span class="lineno"> 1775</span> </div>
<div class="line"><a name="l01776"></a><span class="lineno"> 1776</span>  <a class="code" href="bignum_8h.html#a024b186dd3608bcbcfc9dd36212a18ec">MPI_CHK</a>( <a class="code" href="bignum_8h.html#a17537330dbe685ca867e52479a8ef7c3">mpi_shift_l</a>( &TB, lz ) );</div>
<div class="line"><a name="l01777"></a><span class="lineno"> 1777</span>  <a class="code" href="bignum_8h.html#a024b186dd3608bcbcfc9dd36212a18ec">MPI_CHK</a>( <a class="code" href="bignum_8h.html#a6fbcce39a9d92d9e2a560f8aa6a810f4">mpi_copy</a>( G, &TB ) );</div>
<div class="line"><a name="l01778"></a><span class="lineno"> 1778</span> </div>
<div class="line"><a name="l01779"></a><span class="lineno"> 1779</span> cleanup:</div>
<div class="line"><a name="l01780"></a><span class="lineno"> 1780</span> </div>
<div class="line"><a name="l01781"></a><span class="lineno"> 1781</span>  <a class="code" href="bignum_8h.html#ae1f6507671587755e46bbf0afcae6a8c">mpi_free</a>( &TG ); <a class="code" href="bignum_8h.html#ae1f6507671587755e46bbf0afcae6a8c">mpi_free</a>( &TA ); <a class="code" href="bignum_8h.html#ae1f6507671587755e46bbf0afcae6a8c">mpi_free</a>( &TB );</div>
<div class="line"><a name="l01782"></a><span class="lineno"> 1782</span> </div>
<div class="line"><a name="l01783"></a><span class="lineno"> 1783</span>  <span class="keywordflow">return</span>( ret );</div>
<div class="line"><a name="l01784"></a><span class="lineno"> 1784</span> }</div>
<div class="line"><a name="l01785"></a><span class="lineno"> 1785</span> </div>
<div class="line"><a name="l01786"></a><span class="lineno"> 1786</span> <span class="comment">/*</span></div>
<div class="line"><a name="l01787"></a><span class="lineno"> 1787</span> <span class="comment"> * Fill X with size bytes of random.</span></div>
<div class="line"><a name="l01788"></a><span class="lineno"> 1788</span> <span class="comment"> *</span></div>
<div class="line"><a name="l01789"></a><span class="lineno"> 1789</span> <span class="comment"> * Use a temporary bytes representation to make sure the result is the same</span></div>
<div class="line"><a name="l01790"></a><span class="lineno"> 1790</span> <span class="comment"> * regardless of the platform endianness (useful when f_rng is actually</span></div>
<div class="line"><a name="l01791"></a><span class="lineno"> 1791</span> <span class="comment"> * deterministic, eg for tests).</span></div>
<div class="line"><a name="l01792"></a><span class="lineno"> 1792</span> <span class="comment"> */</span></div>
<div class="line"><a name="l01793"></a><span class="lineno"> 1793</span> <span class="keywordtype">int</span> <a class="code" href="bignum_8h.html#a5ac8858041a8d5b49c11d38fd4069975">mpi_fill_random</a>( <a class="code" href="structmpi.html">mpi</a> *X, <span class="keywordtype">size_t</span> size,</div>
<div class="line"><a name="l01794"></a><span class="lineno"> 1794</span>  <span class="keywordtype">int</span> (*f_rng)(<span class="keywordtype">void</span> *, <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *, <span class="keywordtype">size_t</span>),</div>
<div class="line"><a name="l01795"></a><span class="lineno"> 1795</span>  <span class="keywordtype">void</span> *p_rng )</div>
<div class="line"><a name="l01796"></a><span class="lineno"> 1796</span> {</div>
<div class="line"><a name="l01797"></a><span class="lineno"> 1797</span>  <span class="keywordtype">int</span> ret;</div>
<div class="line"><a name="l01798"></a><span class="lineno"> 1798</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> buf[<a class="code" href="config-suite-b_8h.html#aae43600df723c0b882201f556c028b1f">POLARSSL_MPI_MAX_SIZE</a>];</div>
<div class="line"><a name="l01799"></a><span class="lineno"> 1799</span> </div>
<div class="line"><a name="l01800"></a><span class="lineno"> 1800</span>  <span class="keywordflow">if</span>( size > <a class="code" href="config-suite-b_8h.html#aae43600df723c0b882201f556c028b1f">POLARSSL_MPI_MAX_SIZE</a> )</div>
<div class="line"><a name="l01801"></a><span class="lineno"> 1801</span>  <span class="keywordflow">return</span>( <a class="code" href="bignum_8h.html#aad5959617396031440786cd8ff24712a">POLARSSL_ERR_MPI_BAD_INPUT_DATA</a> );</div>
<div class="line"><a name="l01802"></a><span class="lineno"> 1802</span> </div>
<div class="line"><a name="l01803"></a><span class="lineno"> 1803</span>  <a class="code" href="bignum_8h.html#a024b186dd3608bcbcfc9dd36212a18ec">MPI_CHK</a>( f_rng( p_rng, buf, size ) );</div>
<div class="line"><a name="l01804"></a><span class="lineno"> 1804</span>  <a class="code" href="bignum_8h.html#a024b186dd3608bcbcfc9dd36212a18ec">MPI_CHK</a>( <a class="code" href="bignum_8h.html#a0235008cccbf00b8bc03699de8094819">mpi_read_binary</a>( X, buf, size ) );</div>
<div class="line"><a name="l01805"></a><span class="lineno"> 1805</span> </div>
<div class="line"><a name="l01806"></a><span class="lineno"> 1806</span> cleanup:</div>
<div class="line"><a name="l01807"></a><span class="lineno"> 1807</span>  <span class="keywordflow">return</span>( ret );</div>
<div class="line"><a name="l01808"></a><span class="lineno"> 1808</span> }</div>
<div class="line"><a name="l01809"></a><span class="lineno"> 1809</span> </div>
<div class="line"><a name="l01810"></a><span class="lineno"> 1810</span> <span class="comment">/*</span></div>
<div class="line"><a name="l01811"></a><span class="lineno"> 1811</span> <span class="comment"> * Modular inverse: X = A^-1 mod N (HAC 14.61 / 14.64)</span></div>
<div class="line"><a name="l01812"></a><span class="lineno"> 1812</span> <span class="comment"> */</span></div>
<div class="line"><a name="l01813"></a><span class="lineno"> 1813</span> <span class="keywordtype">int</span> <a class="code" href="bignum_8h.html#a090616da16b87653c025874e1675da79">mpi_inv_mod</a>( <a class="code" href="structmpi.html">mpi</a> *X, <span class="keyword">const</span> <a class="code" href="structmpi.html">mpi</a> *A, <span class="keyword">const</span> <a class="code" href="structmpi.html">mpi</a> *N )</div>
<div class="line"><a name="l01814"></a><span class="lineno"> 1814</span> {</div>
<div class="line"><a name="l01815"></a><span class="lineno"> 1815</span>  <span class="keywordtype">int</span> ret;</div>
<div class="line"><a name="l01816"></a><span class="lineno"> 1816</span>  <a class="code" href="structmpi.html">mpi</a> G, TA, TU, U1, U2, TB, TV, V1, V2;</div>
<div class="line"><a name="l01817"></a><span class="lineno"> 1817</span> </div>
<div class="line"><a name="l01818"></a><span class="lineno"> 1818</span>  <span class="keywordflow">if</span>( <a class="code" href="bignum_8h.html#aee6dc030f0fa278c1576c457088b4910">mpi_cmp_int</a>( N, 0 ) <= 0 )</div>
<div class="line"><a name="l01819"></a><span class="lineno"> 1819</span>  <span class="keywordflow">return</span>( <a class="code" href="bignum_8h.html#aad5959617396031440786cd8ff24712a">POLARSSL_ERR_MPI_BAD_INPUT_DATA</a> );</div>
<div class="line"><a name="l01820"></a><span class="lineno"> 1820</span> </div>
<div class="line"><a name="l01821"></a><span class="lineno"> 1821</span>  <a class="code" href="bignum_8h.html#a201666869f65225d6535bcc697f95c9b">mpi_init</a>( &TA ); <a class="code" href="bignum_8h.html#a201666869f65225d6535bcc697f95c9b">mpi_init</a>( &TU ); <a class="code" href="bignum_8h.html#a201666869f65225d6535bcc697f95c9b">mpi_init</a>( &U1 ); <a class="code" href="bignum_8h.html#a201666869f65225d6535bcc697f95c9b">mpi_init</a>( &U2 );</div>
<div class="line"><a name="l01822"></a><span class="lineno"> 1822</span>  <a class="code" href="bignum_8h.html#a201666869f65225d6535bcc697f95c9b">mpi_init</a>( &G ); <a class="code" href="bignum_8h.html#a201666869f65225d6535bcc697f95c9b">mpi_init</a>( &TB ); <a class="code" href="bignum_8h.html#a201666869f65225d6535bcc697f95c9b">mpi_init</a>( &TV );</div>
<div class="line"><a name="l01823"></a><span class="lineno"> 1823</span>  <a class="code" href="bignum_8h.html#a201666869f65225d6535bcc697f95c9b">mpi_init</a>( &V1 ); <a class="code" href="bignum_8h.html#a201666869f65225d6535bcc697f95c9b">mpi_init</a>( &V2 );</div>
<div class="line"><a name="l01824"></a><span class="lineno"> 1824</span> </div>
<div class="line"><a name="l01825"></a><span class="lineno"> 1825</span>  <a class="code" href="bignum_8h.html#a024b186dd3608bcbcfc9dd36212a18ec">MPI_CHK</a>( <a class="code" href="bignum_8h.html#ab1448e8d36dbf542b2230131da8298aa">mpi_gcd</a>( &G, A, N ) );</div>
<div class="line"><a name="l01826"></a><span class="lineno"> 1826</span> </div>
<div class="line"><a name="l01827"></a><span class="lineno"> 1827</span>  <span class="keywordflow">if</span>( <a class="code" href="bignum_8h.html#aee6dc030f0fa278c1576c457088b4910">mpi_cmp_int</a>( &G, 1 ) != 0 )</div>
<div class="line"><a name="l01828"></a><span class="lineno"> 1828</span>  {</div>
<div class="line"><a name="l01829"></a><span class="lineno"> 1829</span>  ret = <a class="code" href="bignum_8h.html#ac42cb2c2b13df48182ee833de2e4adbf">POLARSSL_ERR_MPI_NOT_ACCEPTABLE</a>;</div>
<div class="line"><a name="l01830"></a><span class="lineno"> 1830</span>  <span class="keywordflow">goto</span> cleanup;</div>
<div class="line"><a name="l01831"></a><span class="lineno"> 1831</span>  }</div>
<div class="line"><a name="l01832"></a><span class="lineno"> 1832</span> </div>
<div class="line"><a name="l01833"></a><span class="lineno"> 1833</span>  <a class="code" href="bignum_8h.html#a024b186dd3608bcbcfc9dd36212a18ec">MPI_CHK</a>( <a class="code" href="bignum_8h.html#a075d3cf21cb3733e5f0a872e72b0cd15">mpi_mod_mpi</a>( &TA, A, N ) );</div>
<div class="line"><a name="l01834"></a><span class="lineno"> 1834</span>  <a class="code" href="bignum_8h.html#a024b186dd3608bcbcfc9dd36212a18ec">MPI_CHK</a>( <a class="code" href="bignum_8h.html#a6fbcce39a9d92d9e2a560f8aa6a810f4">mpi_copy</a>( &TU, &TA ) );</div>
<div class="line"><a name="l01835"></a><span class="lineno"> 1835</span>  <a class="code" href="bignum_8h.html#a024b186dd3608bcbcfc9dd36212a18ec">MPI_CHK</a>( <a class="code" href="bignum_8h.html#a6fbcce39a9d92d9e2a560f8aa6a810f4">mpi_copy</a>( &TB, N ) );</div>
<div class="line"><a name="l01836"></a><span class="lineno"> 1836</span>  <a class="code" href="bignum_8h.html#a024b186dd3608bcbcfc9dd36212a18ec">MPI_CHK</a>( <a class="code" href="bignum_8h.html#a6fbcce39a9d92d9e2a560f8aa6a810f4">mpi_copy</a>( &TV, N ) );</div>
<div class="line"><a name="l01837"></a><span class="lineno"> 1837</span> </div>
<div class="line"><a name="l01838"></a><span class="lineno"> 1838</span>  <a class="code" href="bignum_8h.html#a024b186dd3608bcbcfc9dd36212a18ec">MPI_CHK</a>( <a class="code" href="bignum_8h.html#a007d6236aebb0ff4a3d92ce8f525a3ae">mpi_lset</a>( &U1, 1 ) );</div>
<div class="line"><a name="l01839"></a><span class="lineno"> 1839</span>  <a class="code" href="bignum_8h.html#a024b186dd3608bcbcfc9dd36212a18ec">MPI_CHK</a>( <a class="code" href="bignum_8h.html#a007d6236aebb0ff4a3d92ce8f525a3ae">mpi_lset</a>( &U2, 0 ) );</div>
<div class="line"><a name="l01840"></a><span class="lineno"> 1840</span>  <a class="code" href="bignum_8h.html#a024b186dd3608bcbcfc9dd36212a18ec">MPI_CHK</a>( <a class="code" href="bignum_8h.html#a007d6236aebb0ff4a3d92ce8f525a3ae">mpi_lset</a>( &V1, 0 ) );</div>
<div class="line"><a name="l01841"></a><span class="lineno"> 1841</span>  <a class="code" href="bignum_8h.html#a024b186dd3608bcbcfc9dd36212a18ec">MPI_CHK</a>( <a class="code" href="bignum_8h.html#a007d6236aebb0ff4a3d92ce8f525a3ae">mpi_lset</a>( &V2, 1 ) );</div>
<div class="line"><a name="l01842"></a><span class="lineno"> 1842</span> </div>
<div class="line"><a name="l01843"></a><span class="lineno"> 1843</span>  <span class="keywordflow">do</span></div>
<div class="line"><a name="l01844"></a><span class="lineno"> 1844</span>  {</div>
<div class="line"><a name="l01845"></a><span class="lineno"> 1845</span>  <span class="keywordflow">while</span>( ( TU.<a class="code" href="structmpi.html#aaeeabe339c1cc40d05bdb026666404f8">p</a>[0] & 1 ) == 0 )</div>
<div class="line"><a name="l01846"></a><span class="lineno"> 1846</span>  {</div>
<div class="line"><a name="l01847"></a><span class="lineno"> 1847</span>  <a class="code" href="bignum_8h.html#a024b186dd3608bcbcfc9dd36212a18ec">MPI_CHK</a>( <a class="code" href="bignum_8h.html#a01de1543da79d0ad0f58916d608f6ff8">mpi_shift_r</a>( &TU, 1 ) );</div>
<div class="line"><a name="l01848"></a><span class="lineno"> 1848</span> </div>
<div class="line"><a name="l01849"></a><span class="lineno"> 1849</span>  <span class="keywordflow">if</span>( ( U1.<a class="code" href="structmpi.html#aaeeabe339c1cc40d05bdb026666404f8">p</a>[0] & 1 ) != 0 || ( U2.<a class="code" href="structmpi.html#aaeeabe339c1cc40d05bdb026666404f8">p</a>[0] & 1 ) != 0 )</div>
<div class="line"><a name="l01850"></a><span class="lineno"> 1850</span>  {</div>
<div class="line"><a name="l01851"></a><span class="lineno"> 1851</span>  <a class="code" href="bignum_8h.html#a024b186dd3608bcbcfc9dd36212a18ec">MPI_CHK</a>( <a class="code" href="bignum_8h.html#adf5b20e8d8c0a660e4f59f859a0bee18">mpi_add_mpi</a>( &U1, &U1, &TB ) );</div>
<div class="line"><a name="l01852"></a><span class="lineno"> 1852</span>  <a class="code" href="bignum_8h.html#a024b186dd3608bcbcfc9dd36212a18ec">MPI_CHK</a>( <a class="code" href="bignum_8h.html#a149a13ed93fddb432fb5edd3126b1186">mpi_sub_mpi</a>( &U2, &U2, &TA ) );</div>
<div class="line"><a name="l01853"></a><span class="lineno"> 1853</span>  }</div>
<div class="line"><a name="l01854"></a><span class="lineno"> 1854</span> </div>
<div class="line"><a name="l01855"></a><span class="lineno"> 1855</span>  <a class="code" href="bignum_8h.html#a024b186dd3608bcbcfc9dd36212a18ec">MPI_CHK</a>( <a class="code" href="bignum_8h.html#a01de1543da79d0ad0f58916d608f6ff8">mpi_shift_r</a>( &U1, 1 ) );</div>
<div class="line"><a name="l01856"></a><span class="lineno"> 1856</span>  <a class="code" href="bignum_8h.html#a024b186dd3608bcbcfc9dd36212a18ec">MPI_CHK</a>( <a class="code" href="bignum_8h.html#a01de1543da79d0ad0f58916d608f6ff8">mpi_shift_r</a>( &U2, 1 ) );</div>
<div class="line"><a name="l01857"></a><span class="lineno"> 1857</span>  }</div>
<div class="line"><a name="l01858"></a><span class="lineno"> 1858</span> </div>
<div class="line"><a name="l01859"></a><span class="lineno"> 1859</span>  <span class="keywordflow">while</span>( ( TV.<a class="code" href="structmpi.html#aaeeabe339c1cc40d05bdb026666404f8">p</a>[0] & 1 ) == 0 )</div>
<div class="line"><a name="l01860"></a><span class="lineno"> 1860</span>  {</div>
<div class="line"><a name="l01861"></a><span class="lineno"> 1861</span>  <a class="code" href="bignum_8h.html#a024b186dd3608bcbcfc9dd36212a18ec">MPI_CHK</a>( <a class="code" href="bignum_8h.html#a01de1543da79d0ad0f58916d608f6ff8">mpi_shift_r</a>( &TV, 1 ) );</div>
<div class="line"><a name="l01862"></a><span class="lineno"> 1862</span> </div>
<div class="line"><a name="l01863"></a><span class="lineno"> 1863</span>  <span class="keywordflow">if</span>( ( V1.<a class="code" href="structmpi.html#aaeeabe339c1cc40d05bdb026666404f8">p</a>[0] & 1 ) != 0 || ( V2.<a class="code" href="structmpi.html#aaeeabe339c1cc40d05bdb026666404f8">p</a>[0] & 1 ) != 0 )</div>
<div class="line"><a name="l01864"></a><span class="lineno"> 1864</span>  {</div>
<div class="line"><a name="l01865"></a><span class="lineno"> 1865</span>  <a class="code" href="bignum_8h.html#a024b186dd3608bcbcfc9dd36212a18ec">MPI_CHK</a>( <a class="code" href="bignum_8h.html#adf5b20e8d8c0a660e4f59f859a0bee18">mpi_add_mpi</a>( &V1, &V1, &TB ) );</div>
<div class="line"><a name="l01866"></a><span class="lineno"> 1866</span>  <a class="code" href="bignum_8h.html#a024b186dd3608bcbcfc9dd36212a18ec">MPI_CHK</a>( <a class="code" href="bignum_8h.html#a149a13ed93fddb432fb5edd3126b1186">mpi_sub_mpi</a>( &V2, &V2, &TA ) );</div>
<div class="line"><a name="l01867"></a><span class="lineno"> 1867</span>  }</div>
<div class="line"><a name="l01868"></a><span class="lineno"> 1868</span> </div>
<div class="line"><a name="l01869"></a><span class="lineno"> 1869</span>  <a class="code" href="bignum_8h.html#a024b186dd3608bcbcfc9dd36212a18ec">MPI_CHK</a>( <a class="code" href="bignum_8h.html#a01de1543da79d0ad0f58916d608f6ff8">mpi_shift_r</a>( &V1, 1 ) );</div>
<div class="line"><a name="l01870"></a><span class="lineno"> 1870</span>  <a class="code" href="bignum_8h.html#a024b186dd3608bcbcfc9dd36212a18ec">MPI_CHK</a>( <a class="code" href="bignum_8h.html#a01de1543da79d0ad0f58916d608f6ff8">mpi_shift_r</a>( &V2, 1 ) );</div>
<div class="line"><a name="l01871"></a><span class="lineno"> 1871</span>  }</div>
<div class="line"><a name="l01872"></a><span class="lineno"> 1872</span> </div>
<div class="line"><a name="l01873"></a><span class="lineno"> 1873</span>  <span class="keywordflow">if</span>( <a class="code" href="bignum_8h.html#aec20dff9d78738e3c80b212df9875b83">mpi_cmp_mpi</a>( &TU, &TV ) >= 0 )</div>
<div class="line"><a name="l01874"></a><span class="lineno"> 1874</span>  {</div>
<div class="line"><a name="l01875"></a><span class="lineno"> 1875</span>  <a class="code" href="bignum_8h.html#a024b186dd3608bcbcfc9dd36212a18ec">MPI_CHK</a>( <a class="code" href="bignum_8h.html#a149a13ed93fddb432fb5edd3126b1186">mpi_sub_mpi</a>( &TU, &TU, &TV ) );</div>
<div class="line"><a name="l01876"></a><span class="lineno"> 1876</span>  <a class="code" href="bignum_8h.html#a024b186dd3608bcbcfc9dd36212a18ec">MPI_CHK</a>( <a class="code" href="bignum_8h.html#a149a13ed93fddb432fb5edd3126b1186">mpi_sub_mpi</a>( &U1, &U1, &V1 ) );</div>
<div class="line"><a name="l01877"></a><span class="lineno"> 1877</span>  <a class="code" href="bignum_8h.html#a024b186dd3608bcbcfc9dd36212a18ec">MPI_CHK</a>( <a class="code" href="bignum_8h.html#a149a13ed93fddb432fb5edd3126b1186">mpi_sub_mpi</a>( &U2, &U2, &V2 ) );</div>
<div class="line"><a name="l01878"></a><span class="lineno"> 1878</span>  }</div>
<div class="line"><a name="l01879"></a><span class="lineno"> 1879</span>  <span class="keywordflow">else</span></div>
<div class="line"><a name="l01880"></a><span class="lineno"> 1880</span>  {</div>
<div class="line"><a name="l01881"></a><span class="lineno"> 1881</span>  <a class="code" href="bignum_8h.html#a024b186dd3608bcbcfc9dd36212a18ec">MPI_CHK</a>( <a class="code" href="bignum_8h.html#a149a13ed93fddb432fb5edd3126b1186">mpi_sub_mpi</a>( &TV, &TV, &TU ) );</div>
<div class="line"><a name="l01882"></a><span class="lineno"> 1882</span>  <a class="code" href="bignum_8h.html#a024b186dd3608bcbcfc9dd36212a18ec">MPI_CHK</a>( <a class="code" href="bignum_8h.html#a149a13ed93fddb432fb5edd3126b1186">mpi_sub_mpi</a>( &V1, &V1, &U1 ) );</div>
<div class="line"><a name="l01883"></a><span class="lineno"> 1883</span>  <a class="code" href="bignum_8h.html#a024b186dd3608bcbcfc9dd36212a18ec">MPI_CHK</a>( <a class="code" href="bignum_8h.html#a149a13ed93fddb432fb5edd3126b1186">mpi_sub_mpi</a>( &V2, &V2, &U2 ) );</div>
<div class="line"><a name="l01884"></a><span class="lineno"> 1884</span>  }</div>
<div class="line"><a name="l01885"></a><span class="lineno"> 1885</span>  }</div>
<div class="line"><a name="l01886"></a><span class="lineno"> 1886</span>  <span class="keywordflow">while</span>( <a class="code" href="bignum_8h.html#aee6dc030f0fa278c1576c457088b4910">mpi_cmp_int</a>( &TU, 0 ) != 0 );</div>
<div class="line"><a name="l01887"></a><span class="lineno"> 1887</span> </div>
<div class="line"><a name="l01888"></a><span class="lineno"> 1888</span>  <span class="keywordflow">while</span>( <a class="code" href="bignum_8h.html#aee6dc030f0fa278c1576c457088b4910">mpi_cmp_int</a>( &V1, 0 ) < 0 )</div>
<div class="line"><a name="l01889"></a><span class="lineno"> 1889</span>  <a class="code" href="bignum_8h.html#a024b186dd3608bcbcfc9dd36212a18ec">MPI_CHK</a>( <a class="code" href="bignum_8h.html#adf5b20e8d8c0a660e4f59f859a0bee18">mpi_add_mpi</a>( &V1, &V1, N ) );</div>
<div class="line"><a name="l01890"></a><span class="lineno"> 1890</span> </div>
<div class="line"><a name="l01891"></a><span class="lineno"> 1891</span>  <span class="keywordflow">while</span>( <a class="code" href="bignum_8h.html#aec20dff9d78738e3c80b212df9875b83">mpi_cmp_mpi</a>( &V1, N ) >= 0 )</div>
<div class="line"><a name="l01892"></a><span class="lineno"> 1892</span>  <a class="code" href="bignum_8h.html#a024b186dd3608bcbcfc9dd36212a18ec">MPI_CHK</a>( <a class="code" href="bignum_8h.html#a149a13ed93fddb432fb5edd3126b1186">mpi_sub_mpi</a>( &V1, &V1, N ) );</div>
<div class="line"><a name="l01893"></a><span class="lineno"> 1893</span> </div>
<div class="line"><a name="l01894"></a><span class="lineno"> 1894</span>  <a class="code" href="bignum_8h.html#a024b186dd3608bcbcfc9dd36212a18ec">MPI_CHK</a>( <a class="code" href="bignum_8h.html#a6fbcce39a9d92d9e2a560f8aa6a810f4">mpi_copy</a>( X, &V1 ) );</div>
<div class="line"><a name="l01895"></a><span class="lineno"> 1895</span> </div>
<div class="line"><a name="l01896"></a><span class="lineno"> 1896</span> cleanup:</div>
<div class="line"><a name="l01897"></a><span class="lineno"> 1897</span> </div>
<div class="line"><a name="l01898"></a><span class="lineno"> 1898</span>  <a class="code" href="bignum_8h.html#ae1f6507671587755e46bbf0afcae6a8c">mpi_free</a>( &TA ); <a class="code" href="bignum_8h.html#ae1f6507671587755e46bbf0afcae6a8c">mpi_free</a>( &TU ); <a class="code" href="bignum_8h.html#ae1f6507671587755e46bbf0afcae6a8c">mpi_free</a>( &U1 ); <a class="code" href="bignum_8h.html#ae1f6507671587755e46bbf0afcae6a8c">mpi_free</a>( &U2 );</div>
<div class="line"><a name="l01899"></a><span class="lineno"> 1899</span>  <a class="code" href="bignum_8h.html#ae1f6507671587755e46bbf0afcae6a8c">mpi_free</a>( &G ); <a class="code" href="bignum_8h.html#ae1f6507671587755e46bbf0afcae6a8c">mpi_free</a>( &TB ); <a class="code" href="bignum_8h.html#ae1f6507671587755e46bbf0afcae6a8c">mpi_free</a>( &TV );</div>
<div class="line"><a name="l01900"></a><span class="lineno"> 1900</span>  <a class="code" href="bignum_8h.html#ae1f6507671587755e46bbf0afcae6a8c">mpi_free</a>( &V1 ); <a class="code" href="bignum_8h.html#ae1f6507671587755e46bbf0afcae6a8c">mpi_free</a>( &V2 );</div>
<div class="line"><a name="l01901"></a><span class="lineno"> 1901</span> </div>
<div class="line"><a name="l01902"></a><span class="lineno"> 1902</span>  <span class="keywordflow">return</span>( ret );</div>
<div class="line"><a name="l01903"></a><span class="lineno"> 1903</span> }</div>
<div class="line"><a name="l01904"></a><span class="lineno"> 1904</span> </div>
<div class="line"><a name="l01905"></a><span class="lineno"> 1905</span> <span class="preprocessor">#if defined(POLARSSL_GENPRIME)</span></div>
<div class="line"><a name="l01906"></a><span class="lineno"> 1906</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l01907"></a><span class="lineno"> 1907</span> <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">int</span> small_prime[] =</div>
<div class="line"><a name="l01908"></a><span class="lineno"> 1908</span> {</div>
<div class="line"><a name="l01909"></a><span class="lineno"> 1909</span>  3, 5, 7, 11, 13, 17, 19, 23,</div>
<div class="line"><a name="l01910"></a><span class="lineno"> 1910</span>  29, 31, 37, 41, 43, 47, 53, 59,</div>
<div class="line"><a name="l01911"></a><span class="lineno"> 1911</span>  61, 67, 71, 73, 79, 83, 89, 97,</div>
<div class="line"><a name="l01912"></a><span class="lineno"> 1912</span>  101, 103, 107, 109, 113, 127, 131, 137,</div>
<div class="line"><a name="l01913"></a><span class="lineno"> 1913</span>  139, 149, 151, 157, 163, 167, 173, 179,</div>
<div class="line"><a name="l01914"></a><span class="lineno"> 1914</span>  181, 191, 193, 197, 199, 211, 223, 227,</div>
<div class="line"><a name="l01915"></a><span class="lineno"> 1915</span>  229, 233, 239, 241, 251, 257, 263, 269,</div>
<div class="line"><a name="l01916"></a><span class="lineno"> 1916</span>  271, 277, 281, 283, 293, 307, 311, 313,</div>
<div class="line"><a name="l01917"></a><span class="lineno"> 1917</span>  317, 331, 337, 347, 349, 353, 359, 367,</div>
<div class="line"><a name="l01918"></a><span class="lineno"> 1918</span>  373, 379, 383, 389, 397, 401, 409, 419,</div>
<div class="line"><a name="l01919"></a><span class="lineno"> 1919</span>  421, 431, 433, 439, 443, 449, 457, 461,</div>
<div class="line"><a name="l01920"></a><span class="lineno"> 1920</span>  463, 467, 479, 487, 491, 499, 503, 509,</div>
<div class="line"><a name="l01921"></a><span class="lineno"> 1921</span>  521, 523, 541, 547, 557, 563, 569, 571,</div>
<div class="line"><a name="l01922"></a><span class="lineno"> 1922</span>  577, 587, 593, 599, 601, 607, 613, 617,</div>
<div class="line"><a name="l01923"></a><span class="lineno"> 1923</span>  619, 631, 641, 643, 647, 653, 659, 661,</div>
<div class="line"><a name="l01924"></a><span class="lineno"> 1924</span>  673, 677, 683, 691, 701, 709, 719, 727,</div>
<div class="line"><a name="l01925"></a><span class="lineno"> 1925</span>  733, 739, 743, 751, 757, 761, 769, 773,</div>
<div class="line"><a name="l01926"></a><span class="lineno"> 1926</span>  787, 797, 809, 811, 821, 823, 827, 829,</div>
<div class="line"><a name="l01927"></a><span class="lineno"> 1927</span>  839, 853, 857, 859, 863, 877, 881, 883,</div>
<div class="line"><a name="l01928"></a><span class="lineno"> 1928</span>  887, 907, 911, 919, 929, 937, 941, 947,</div>
<div class="line"><a name="l01929"></a><span class="lineno"> 1929</span>  953, 967, 971, 977, 983, 991, 997, -103</div>
<div class="line"><a name="l01930"></a><span class="lineno"> 1930</span> };</div>
<div class="line"><a name="l01931"></a><span class="lineno"> 1931</span> </div>
<div class="line"><a name="l01932"></a><span class="lineno"> 1932</span> <span class="comment">/*</span></div>
<div class="line"><a name="l01933"></a><span class="lineno"> 1933</span> <span class="comment"> * Small divisors test (X must be positive)</span></div>
<div class="line"><a name="l01934"></a><span class="lineno"> 1934</span> <span class="comment"> *</span></div>
<div class="line"><a name="l01935"></a><span class="lineno"> 1935</span> <span class="comment"> * Return values:</span></div>
<div class="line"><a name="l01936"></a><span class="lineno"> 1936</span> <span class="comment"> * 0: no small factor (possible prime, more tests needed)</span></div>
<div class="line"><a name="l01937"></a><span class="lineno"> 1937</span> <span class="comment"> * 1: certain prime</span></div>
<div class="line"><a name="l01938"></a><span class="lineno"> 1938</span> <span class="comment"> * POLARSSL_ERR_MPI_NOT_ACCEPTABLE: certain non-prime</span></div>
<div class="line"><a name="l01939"></a><span class="lineno"> 1939</span> <span class="comment"> * other negative: error</span></div>
<div class="line"><a name="l01940"></a><span class="lineno"> 1940</span> <span class="comment"> */</span></div>
<div class="line"><a name="l01941"></a><span class="lineno"> 1941</span> <span class="keyword">static</span> <span class="keywordtype">int</span> mpi_check_small_factors( <span class="keyword">const</span> <a class="code" href="structmpi.html">mpi</a> *X )</div>
<div class="line"><a name="l01942"></a><span class="lineno"> 1942</span> {</div>
<div class="line"><a name="l01943"></a><span class="lineno"> 1943</span>  <span class="keywordtype">int</span> ret = 0;</div>
<div class="line"><a name="l01944"></a><span class="lineno"> 1944</span>  <span class="keywordtype">size_t</span> i;</div>
<div class="line"><a name="l01945"></a><span class="lineno"> 1945</span>  <a class="code" href="bignum_8h.html#ad5d1464f801a0e7d2ed32a8f8dc2ccc9">t_uint</a> r;</div>
<div class="line"><a name="l01946"></a><span class="lineno"> 1946</span> </div>
<div class="line"><a name="l01947"></a><span class="lineno"> 1947</span>  <span class="keywordflow">if</span>( ( X-><a class="code" href="structmpi.html#aaeeabe339c1cc40d05bdb026666404f8">p</a>[0] & 1 ) == 0 )</div>
<div class="line"><a name="l01948"></a><span class="lineno"> 1948</span>  <span class="keywordflow">return</span>( <a class="code" href="bignum_8h.html#ac42cb2c2b13df48182ee833de2e4adbf">POLARSSL_ERR_MPI_NOT_ACCEPTABLE</a> );</div>
<div class="line"><a name="l01949"></a><span class="lineno"> 1949</span> </div>
<div class="line"><a name="l01950"></a><span class="lineno"> 1950</span>  <span class="keywordflow">for</span>( i = 0; small_prime[i] > 0; i++ )</div>
<div class="line"><a name="l01951"></a><span class="lineno"> 1951</span>  {</div>
<div class="line"><a name="l01952"></a><span class="lineno"> 1952</span>  <span class="keywordflow">if</span>( <a class="code" href="bignum_8h.html#aee6dc030f0fa278c1576c457088b4910">mpi_cmp_int</a>( X, small_prime[i] ) <= 0 )</div>
<div class="line"><a name="l01953"></a><span class="lineno"> 1953</span>  <span class="keywordflow">return</span>( 1 );</div>
<div class="line"><a name="l01954"></a><span class="lineno"> 1954</span> </div>
<div class="line"><a name="l01955"></a><span class="lineno"> 1955</span>  <a class="code" href="bignum_8h.html#a024b186dd3608bcbcfc9dd36212a18ec">MPI_CHK</a>( <a class="code" href="bignum_8h.html#a8cf9128e5d55fd1e95696fe8cb405b92">mpi_mod_int</a>( &r, X, small_prime[i] ) );</div>
<div class="line"><a name="l01956"></a><span class="lineno"> 1956</span> </div>
<div class="line"><a name="l01957"></a><span class="lineno"> 1957</span>  <span class="keywordflow">if</span>( r == 0 )</div>
<div class="line"><a name="l01958"></a><span class="lineno"> 1958</span>  <span class="keywordflow">return</span>( <a class="code" href="bignum_8h.html#ac42cb2c2b13df48182ee833de2e4adbf">POLARSSL_ERR_MPI_NOT_ACCEPTABLE</a> );</div>
<div class="line"><a name="l01959"></a><span class="lineno"> 1959</span>  }</div>
<div class="line"><a name="l01960"></a><span class="lineno"> 1960</span> </div>
<div class="line"><a name="l01961"></a><span class="lineno"> 1961</span> cleanup:</div>
<div class="line"><a name="l01962"></a><span class="lineno"> 1962</span>  <span class="keywordflow">return</span>( ret );</div>
<div class="line"><a name="l01963"></a><span class="lineno"> 1963</span> }</div>
<div class="line"><a name="l01964"></a><span class="lineno"> 1964</span> </div>
<div class="line"><a name="l01965"></a><span class="lineno"> 1965</span> <span class="comment">/*</span></div>
<div class="line"><a name="l01966"></a><span class="lineno"> 1966</span> <span class="comment"> * Miller-Rabin pseudo-primality test (HAC 4.24)</span></div>
<div class="line"><a name="l01967"></a><span class="lineno"> 1967</span> <span class="comment"> */</span></div>
<div class="line"><a name="l01968"></a><span class="lineno"> 1968</span> <span class="keyword">static</span> <span class="keywordtype">int</span> mpi_miller_rabin( <span class="keyword">const</span> <a class="code" href="structmpi.html">mpi</a> *X,</div>
<div class="line"><a name="l01969"></a><span class="lineno"> 1969</span>  <span class="keywordtype">int</span> (*f_rng)(<span class="keywordtype">void</span> *, <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *, <span class="keywordtype">size_t</span>),</div>
<div class="line"><a name="l01970"></a><span class="lineno"> 1970</span>  <span class="keywordtype">void</span> *p_rng )</div>
<div class="line"><a name="l01971"></a><span class="lineno"> 1971</span> {</div>
<div class="line"><a name="l01972"></a><span class="lineno"> 1972</span>  <span class="keywordtype">int</span> ret;</div>
<div class="line"><a name="l01973"></a><span class="lineno"> 1973</span>  <span class="keywordtype">size_t</span> i, j, n, s;</div>
<div class="line"><a name="l01974"></a><span class="lineno"> 1974</span>  <a class="code" href="structmpi.html">mpi</a> W, R, T, A, RR;</div>
<div class="line"><a name="l01975"></a><span class="lineno"> 1975</span> </div>
<div class="line"><a name="l01976"></a><span class="lineno"> 1976</span>  <a class="code" href="bignum_8h.html#a201666869f65225d6535bcc697f95c9b">mpi_init</a>( &W ); <a class="code" href="bignum_8h.html#a201666869f65225d6535bcc697f95c9b">mpi_init</a>( &R ); <a class="code" href="bignum_8h.html#a201666869f65225d6535bcc697f95c9b">mpi_init</a>( &T ); <a class="code" href="bignum_8h.html#a201666869f65225d6535bcc697f95c9b">mpi_init</a>( &A );</div>
<div class="line"><a name="l01977"></a><span class="lineno"> 1977</span>  <a class="code" href="bignum_8h.html#a201666869f65225d6535bcc697f95c9b">mpi_init</a>( &RR );</div>
<div class="line"><a name="l01978"></a><span class="lineno"> 1978</span> </div>
<div class="line"><a name="l01979"></a><span class="lineno"> 1979</span>  <span class="comment">/*</span></div>
<div class="line"><a name="l01980"></a><span class="lineno"> 1980</span> <span class="comment"> * W = |X| - 1</span></div>
<div class="line"><a name="l01981"></a><span class="lineno"> 1981</span> <span class="comment"> * R = W >> lsb( W )</span></div>
<div class="line"><a name="l01982"></a><span class="lineno"> 1982</span> <span class="comment"> */</span></div>
<div class="line"><a name="l01983"></a><span class="lineno"> 1983</span>  <a class="code" href="bignum_8h.html#a024b186dd3608bcbcfc9dd36212a18ec">MPI_CHK</a>( <a class="code" href="bignum_8h.html#acfdf0f6effb7f976a2f90844c492e160">mpi_sub_int</a>( &W, X, 1 ) );</div>
<div class="line"><a name="l01984"></a><span class="lineno"> 1984</span>  s = <a class="code" href="bignum_8h.html#a6d6079272ffa625501f58127172a4f53">mpi_lsb</a>( &W );</div>
<div class="line"><a name="l01985"></a><span class="lineno"> 1985</span>  <a class="code" href="bignum_8h.html#a024b186dd3608bcbcfc9dd36212a18ec">MPI_CHK</a>( <a class="code" href="bignum_8h.html#a6fbcce39a9d92d9e2a560f8aa6a810f4">mpi_copy</a>( &R, &W ) );</div>
<div class="line"><a name="l01986"></a><span class="lineno"> 1986</span>  <a class="code" href="bignum_8h.html#a024b186dd3608bcbcfc9dd36212a18ec">MPI_CHK</a>( <a class="code" href="bignum_8h.html#a01de1543da79d0ad0f58916d608f6ff8">mpi_shift_r</a>( &R, s ) );</div>
<div class="line"><a name="l01987"></a><span class="lineno"> 1987</span> </div>
<div class="line"><a name="l01988"></a><span class="lineno"> 1988</span>  i = <a class="code" href="bignum_8h.html#a4d461a7bff5a31df34bbf93ec00ab886">mpi_msb</a>( X );</div>
<div class="line"><a name="l01989"></a><span class="lineno"> 1989</span>  <span class="comment">/*</span></div>
<div class="line"><a name="l01990"></a><span class="lineno"> 1990</span> <span class="comment"> * HAC, table 4.4</span></div>
<div class="line"><a name="l01991"></a><span class="lineno"> 1991</span> <span class="comment"> */</span></div>
<div class="line"><a name="l01992"></a><span class="lineno"> 1992</span>  n = ( ( i >= 1300 ) ? 2 : ( i >= 850 ) ? 3 :</div>
<div class="line"><a name="l01993"></a><span class="lineno"> 1993</span>  ( i >= 650 ) ? 4 : ( i >= 350 ) ? 8 :</div>
<div class="line"><a name="l01994"></a><span class="lineno"> 1994</span>  ( i >= 250 ) ? 12 : ( i >= 150 ) ? 18 : 27 );</div>
<div class="line"><a name="l01995"></a><span class="lineno"> 1995</span> </div>
<div class="line"><a name="l01996"></a><span class="lineno"> 1996</span>  <span class="keywordflow">for</span>( i = 0; i < n; i++ )</div>
<div class="line"><a name="l01997"></a><span class="lineno"> 1997</span>  {</div>
<div class="line"><a name="l01998"></a><span class="lineno"> 1998</span>  <span class="comment">/*</span></div>
<div class="line"><a name="l01999"></a><span class="lineno"> 1999</span> <span class="comment"> * pick a random A, 1 < A < |X| - 1</span></div>
<div class="line"><a name="l02000"></a><span class="lineno"> 2000</span> <span class="comment"> */</span></div>
<div class="line"><a name="l02001"></a><span class="lineno"> 2001</span>  <a class="code" href="bignum_8h.html#a024b186dd3608bcbcfc9dd36212a18ec">MPI_CHK</a>( <a class="code" href="bignum_8h.html#a5ac8858041a8d5b49c11d38fd4069975">mpi_fill_random</a>( &A, X-><a class="code" href="structmpi.html#acc8d6d92112b326fcac7c6eff002feb1">n</a> * ciL, f_rng, p_rng ) );</div>
<div class="line"><a name="l02002"></a><span class="lineno"> 2002</span> </div>
<div class="line"><a name="l02003"></a><span class="lineno"> 2003</span>  <span class="keywordflow">if</span>( <a class="code" href="bignum_8h.html#aec20dff9d78738e3c80b212df9875b83">mpi_cmp_mpi</a>( &A, &W ) >= 0 )</div>
<div class="line"><a name="l02004"></a><span class="lineno"> 2004</span>  {</div>
<div class="line"><a name="l02005"></a><span class="lineno"> 2005</span>  j = <a class="code" href="bignum_8h.html#a4d461a7bff5a31df34bbf93ec00ab886">mpi_msb</a>( &A ) - <a class="code" href="bignum_8h.html#a4d461a7bff5a31df34bbf93ec00ab886">mpi_msb</a>( &W );</div>
<div class="line"><a name="l02006"></a><span class="lineno"> 2006</span>  <a class="code" href="bignum_8h.html#a024b186dd3608bcbcfc9dd36212a18ec">MPI_CHK</a>( <a class="code" href="bignum_8h.html#a01de1543da79d0ad0f58916d608f6ff8">mpi_shift_r</a>( &A, j + 1 ) );</div>
<div class="line"><a name="l02007"></a><span class="lineno"> 2007</span>  }</div>
<div class="line"><a name="l02008"></a><span class="lineno"> 2008</span>  A.<a class="code" href="structmpi.html#aaeeabe339c1cc40d05bdb026666404f8">p</a>[0] |= 3;</div>
<div class="line"><a name="l02009"></a><span class="lineno"> 2009</span> </div>
<div class="line"><a name="l02010"></a><span class="lineno"> 2010</span>  <span class="comment">/*</span></div>
<div class="line"><a name="l02011"></a><span class="lineno"> 2011</span> <span class="comment"> * A = A^R mod |X|</span></div>
<div class="line"><a name="l02012"></a><span class="lineno"> 2012</span> <span class="comment"> */</span></div>
<div class="line"><a name="l02013"></a><span class="lineno"> 2013</span>  <a class="code" href="bignum_8h.html#a024b186dd3608bcbcfc9dd36212a18ec">MPI_CHK</a>( <a class="code" href="bignum_8h.html#a84befed1943a584332e0599605b0d3fe">mpi_exp_mod</a>( &A, &A, &R, X, &RR ) );</div>
<div class="line"><a name="l02014"></a><span class="lineno"> 2014</span> </div>
<div class="line"><a name="l02015"></a><span class="lineno"> 2015</span>  <span class="keywordflow">if</span>( <a class="code" href="bignum_8h.html#aec20dff9d78738e3c80b212df9875b83">mpi_cmp_mpi</a>( &A, &W ) == 0 ||</div>
<div class="line"><a name="l02016"></a><span class="lineno"> 2016</span>  <a class="code" href="bignum_8h.html#aee6dc030f0fa278c1576c457088b4910">mpi_cmp_int</a>( &A, 1 ) == 0 )</div>
<div class="line"><a name="l02017"></a><span class="lineno"> 2017</span>  <span class="keywordflow">continue</span>;</div>
<div class="line"><a name="l02018"></a><span class="lineno"> 2018</span> </div>
<div class="line"><a name="l02019"></a><span class="lineno"> 2019</span>  j = 1;</div>
<div class="line"><a name="l02020"></a><span class="lineno"> 2020</span>  <span class="keywordflow">while</span>( j < s && <a class="code" href="bignum_8h.html#aec20dff9d78738e3c80b212df9875b83">mpi_cmp_mpi</a>( &A, &W ) != 0 )</div>
<div class="line"><a name="l02021"></a><span class="lineno"> 2021</span>  {</div>
<div class="line"><a name="l02022"></a><span class="lineno"> 2022</span>  <span class="comment">/*</span></div>
<div class="line"><a name="l02023"></a><span class="lineno"> 2023</span> <span class="comment"> * A = A * A mod |X|</span></div>
<div class="line"><a name="l02024"></a><span class="lineno"> 2024</span> <span class="comment"> */</span></div>
<div class="line"><a name="l02025"></a><span class="lineno"> 2025</span>  <a class="code" href="bignum_8h.html#a024b186dd3608bcbcfc9dd36212a18ec">MPI_CHK</a>( <a class="code" href="bignum_8h.html#ab63bfb07b27db84268491cd7d68bddc0">mpi_mul_mpi</a>( &T, &A, &A ) );</div>
<div class="line"><a name="l02026"></a><span class="lineno"> 2026</span>  <a class="code" href="bignum_8h.html#a024b186dd3608bcbcfc9dd36212a18ec">MPI_CHK</a>( <a class="code" href="bignum_8h.html#a075d3cf21cb3733e5f0a872e72b0cd15">mpi_mod_mpi</a>( &A, &T, X ) );</div>
<div class="line"><a name="l02027"></a><span class="lineno"> 2027</span> </div>
<div class="line"><a name="l02028"></a><span class="lineno"> 2028</span>  <span class="keywordflow">if</span>( <a class="code" href="bignum_8h.html#aee6dc030f0fa278c1576c457088b4910">mpi_cmp_int</a>( &A, 1 ) == 0 )</div>
<div class="line"><a name="l02029"></a><span class="lineno"> 2029</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l02030"></a><span class="lineno"> 2030</span> </div>
<div class="line"><a name="l02031"></a><span class="lineno"> 2031</span>  j++;</div>
<div class="line"><a name="l02032"></a><span class="lineno"> 2032</span>  }</div>
<div class="line"><a name="l02033"></a><span class="lineno"> 2033</span> </div>
<div class="line"><a name="l02034"></a><span class="lineno"> 2034</span>  <span class="comment">/*</span></div>
<div class="line"><a name="l02035"></a><span class="lineno"> 2035</span> <span class="comment"> * not prime if A != |X| - 1 or A == 1</span></div>
<div class="line"><a name="l02036"></a><span class="lineno"> 2036</span> <span class="comment"> */</span></div>
<div class="line"><a name="l02037"></a><span class="lineno"> 2037</span>  <span class="keywordflow">if</span>( <a class="code" href="bignum_8h.html#aec20dff9d78738e3c80b212df9875b83">mpi_cmp_mpi</a>( &A, &W ) != 0 ||</div>
<div class="line"><a name="l02038"></a><span class="lineno"> 2038</span>  <a class="code" href="bignum_8h.html#aee6dc030f0fa278c1576c457088b4910">mpi_cmp_int</a>( &A, 1 ) == 0 )</div>
<div class="line"><a name="l02039"></a><span class="lineno"> 2039</span>  {</div>
<div class="line"><a name="l02040"></a><span class="lineno"> 2040</span>  ret = <a class="code" href="bignum_8h.html#ac42cb2c2b13df48182ee833de2e4adbf">POLARSSL_ERR_MPI_NOT_ACCEPTABLE</a>;</div>
<div class="line"><a name="l02041"></a><span class="lineno"> 2041</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l02042"></a><span class="lineno"> 2042</span>  }</div>
<div class="line"><a name="l02043"></a><span class="lineno"> 2043</span>  }</div>
<div class="line"><a name="l02044"></a><span class="lineno"> 2044</span> </div>
<div class="line"><a name="l02045"></a><span class="lineno"> 2045</span> cleanup:</div>
<div class="line"><a name="l02046"></a><span class="lineno"> 2046</span>  <a class="code" href="bignum_8h.html#ae1f6507671587755e46bbf0afcae6a8c">mpi_free</a>( &W ); <a class="code" href="bignum_8h.html#ae1f6507671587755e46bbf0afcae6a8c">mpi_free</a>( &R ); <a class="code" href="bignum_8h.html#ae1f6507671587755e46bbf0afcae6a8c">mpi_free</a>( &T ); <a class="code" href="bignum_8h.html#ae1f6507671587755e46bbf0afcae6a8c">mpi_free</a>( &A );</div>
<div class="line"><a name="l02047"></a><span class="lineno"> 2047</span>  <a class="code" href="bignum_8h.html#ae1f6507671587755e46bbf0afcae6a8c">mpi_free</a>( &RR );</div>
<div class="line"><a name="l02048"></a><span class="lineno"> 2048</span> </div>
<div class="line"><a name="l02049"></a><span class="lineno"> 2049</span>  <span class="keywordflow">return</span>( ret );</div>
<div class="line"><a name="l02050"></a><span class="lineno"> 2050</span> }</div>
<div class="line"><a name="l02051"></a><span class="lineno"> 2051</span> </div>
<div class="line"><a name="l02052"></a><span class="lineno"> 2052</span> <span class="comment">/*</span></div>
<div class="line"><a name="l02053"></a><span class="lineno"> 2053</span> <span class="comment"> * Pseudo-primality test: small factors, then Miller-Rabin</span></div>
<div class="line"><a name="l02054"></a><span class="lineno"> 2054</span> <span class="comment"> */</span></div>
<div class="line"><a name="l02055"></a><span class="lineno"> 2055</span> <span class="keywordtype">int</span> <a class="code" href="bignum_8h.html#adf23b7959312c2fcf222d7ce6ac32320">mpi_is_prime</a>( <a class="code" href="structmpi.html">mpi</a> *X,</div>
<div class="line"><a name="l02056"></a><span class="lineno"> 2056</span>  <span class="keywordtype">int</span> (*f_rng)(<span class="keywordtype">void</span> *, <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *, <span class="keywordtype">size_t</span>),</div>
<div class="line"><a name="l02057"></a><span class="lineno"> 2057</span>  <span class="keywordtype">void</span> *p_rng )</div>
<div class="line"><a name="l02058"></a><span class="lineno"> 2058</span> {</div>
<div class="line"><a name="l02059"></a><span class="lineno"> 2059</span>  <span class="keywordtype">int</span> ret;</div>
<div class="line"><a name="l02060"></a><span class="lineno"> 2060</span>  <span class="keyword">const</span> <a class="code" href="structmpi.html">mpi</a> XX = { 1, X-><a class="code" href="structmpi.html#acc8d6d92112b326fcac7c6eff002feb1">n</a>, X-><a class="code" href="structmpi.html#aaeeabe339c1cc40d05bdb026666404f8">p</a> }; <span class="comment">/* Abs(X) */</span></div>
<div class="line"><a name="l02061"></a><span class="lineno"> 2061</span> </div>
<div class="line"><a name="l02062"></a><span class="lineno"> 2062</span>  <span class="keywordflow">if</span>( <a class="code" href="bignum_8h.html#aee6dc030f0fa278c1576c457088b4910">mpi_cmp_int</a>( &XX, 0 ) == 0 ||</div>
<div class="line"><a name="l02063"></a><span class="lineno"> 2063</span>  <a class="code" href="bignum_8h.html#aee6dc030f0fa278c1576c457088b4910">mpi_cmp_int</a>( &XX, 1 ) == 0 )</div>
<div class="line"><a name="l02064"></a><span class="lineno"> 2064</span>  <span class="keywordflow">return</span>( <a class="code" href="bignum_8h.html#ac42cb2c2b13df48182ee833de2e4adbf">POLARSSL_ERR_MPI_NOT_ACCEPTABLE</a> );</div>
<div class="line"><a name="l02065"></a><span class="lineno"> 2065</span> </div>
<div class="line"><a name="l02066"></a><span class="lineno"> 2066</span>  <span class="keywordflow">if</span>( <a class="code" href="bignum_8h.html#aee6dc030f0fa278c1576c457088b4910">mpi_cmp_int</a>( &XX, 2 ) == 0 )</div>
<div class="line"><a name="l02067"></a><span class="lineno"> 2067</span>  <span class="keywordflow">return</span>( 0 );</div>
<div class="line"><a name="l02068"></a><span class="lineno"> 2068</span> </div>
<div class="line"><a name="l02069"></a><span class="lineno"> 2069</span>  <span class="keywordflow">if</span>( ( ret = mpi_check_small_factors( &XX ) ) != 0 )</div>
<div class="line"><a name="l02070"></a><span class="lineno"> 2070</span>  {</div>
<div class="line"><a name="l02071"></a><span class="lineno"> 2071</span>  <span class="keywordflow">if</span>( ret == 1 )</div>
<div class="line"><a name="l02072"></a><span class="lineno"> 2072</span>  <span class="keywordflow">return</span>( 0 );</div>
<div class="line"><a name="l02073"></a><span class="lineno"> 2073</span> </div>
<div class="line"><a name="l02074"></a><span class="lineno"> 2074</span>  <span class="keywordflow">return</span>( ret );</div>
<div class="line"><a name="l02075"></a><span class="lineno"> 2075</span>  }</div>
<div class="line"><a name="l02076"></a><span class="lineno"> 2076</span> </div>
<div class="line"><a name="l02077"></a><span class="lineno"> 2077</span>  <span class="keywordflow">return</span>( mpi_miller_rabin( &XX, f_rng, p_rng ) );</div>
<div class="line"><a name="l02078"></a><span class="lineno"> 2078</span> }</div>
<div class="line"><a name="l02079"></a><span class="lineno"> 2079</span> </div>
<div class="line"><a name="l02080"></a><span class="lineno"> 2080</span> <span class="comment">/*</span></div>
<div class="line"><a name="l02081"></a><span class="lineno"> 2081</span> <span class="comment"> * Prime number generation</span></div>
<div class="line"><a name="l02082"></a><span class="lineno"> 2082</span> <span class="comment"> */</span></div>
<div class="line"><a name="l02083"></a><span class="lineno"> 2083</span> <span class="keywordtype">int</span> <a class="code" href="bignum_8h.html#a39480daedc47c4eae7574a6d028f352c">mpi_gen_prime</a>( <a class="code" href="structmpi.html">mpi</a> *X, <span class="keywordtype">size_t</span> nbits, <span class="keywordtype">int</span> dh_flag,</div>
<div class="line"><a name="l02084"></a><span class="lineno"> 2084</span>  <span class="keywordtype">int</span> (*f_rng)(<span class="keywordtype">void</span> *, <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *, <span class="keywordtype">size_t</span>),</div>
<div class="line"><a name="l02085"></a><span class="lineno"> 2085</span>  <span class="keywordtype">void</span> *p_rng )</div>
<div class="line"><a name="l02086"></a><span class="lineno"> 2086</span> {</div>
<div class="line"><a name="l02087"></a><span class="lineno"> 2087</span>  <span class="keywordtype">int</span> ret;</div>
<div class="line"><a name="l02088"></a><span class="lineno"> 2088</span>  <span class="keywordtype">size_t</span> k, n;</div>
<div class="line"><a name="l02089"></a><span class="lineno"> 2089</span>  <a class="code" href="bignum_8h.html#ad5d1464f801a0e7d2ed32a8f8dc2ccc9">t_uint</a> r;</div>
<div class="line"><a name="l02090"></a><span class="lineno"> 2090</span>  <a class="code" href="structmpi.html">mpi</a> Y;</div>
<div class="line"><a name="l02091"></a><span class="lineno"> 2091</span> </div>
<div class="line"><a name="l02092"></a><span class="lineno"> 2092</span>  <span class="keywordflow">if</span>( nbits < 3 || nbits > <a class="code" href="bignum_8h.html#aca6ca30059eab25954ebb962a8b69c52">POLARSSL_MPI_MAX_BITS</a> )</div>
<div class="line"><a name="l02093"></a><span class="lineno"> 2093</span>  <span class="keywordflow">return</span>( <a class="code" href="bignum_8h.html#aad5959617396031440786cd8ff24712a">POLARSSL_ERR_MPI_BAD_INPUT_DATA</a> );</div>
<div class="line"><a name="l02094"></a><span class="lineno"> 2094</span> </div>
<div class="line"><a name="l02095"></a><span class="lineno"> 2095</span>  <a class="code" href="bignum_8h.html#a201666869f65225d6535bcc697f95c9b">mpi_init</a>( &Y );</div>
<div class="line"><a name="l02096"></a><span class="lineno"> 2096</span> </div>
<div class="line"><a name="l02097"></a><span class="lineno"> 2097</span>  n = BITS_TO_LIMBS( nbits );</div>
<div class="line"><a name="l02098"></a><span class="lineno"> 2098</span> </div>
<div class="line"><a name="l02099"></a><span class="lineno"> 2099</span>  <a class="code" href="bignum_8h.html#a024b186dd3608bcbcfc9dd36212a18ec">MPI_CHK</a>( <a class="code" href="bignum_8h.html#a5ac8858041a8d5b49c11d38fd4069975">mpi_fill_random</a>( X, n * ciL, f_rng, p_rng ) );</div>
<div class="line"><a name="l02100"></a><span class="lineno"> 2100</span> </div>
<div class="line"><a name="l02101"></a><span class="lineno"> 2101</span>  k = <a class="code" href="bignum_8h.html#a4d461a7bff5a31df34bbf93ec00ab886">mpi_msb</a>( X );</div>
<div class="line"><a name="l02102"></a><span class="lineno"> 2102</span>  <span class="keywordflow">if</span>( k < nbits ) <a class="code" href="bignum_8h.html#a024b186dd3608bcbcfc9dd36212a18ec">MPI_CHK</a>( <a class="code" href="bignum_8h.html#a17537330dbe685ca867e52479a8ef7c3">mpi_shift_l</a>( X, nbits - k ) );</div>
<div class="line"><a name="l02103"></a><span class="lineno"> 2103</span>  <span class="keywordflow">if</span>( k > nbits ) <a class="code" href="bignum_8h.html#a024b186dd3608bcbcfc9dd36212a18ec">MPI_CHK</a>( <a class="code" href="bignum_8h.html#a01de1543da79d0ad0f58916d608f6ff8">mpi_shift_r</a>( X, k - nbits ) );</div>
<div class="line"><a name="l02104"></a><span class="lineno"> 2104</span> </div>
<div class="line"><a name="l02105"></a><span class="lineno"> 2105</span>  X-><a class="code" href="structmpi.html#aaeeabe339c1cc40d05bdb026666404f8">p</a>[0] |= 3;</div>
<div class="line"><a name="l02106"></a><span class="lineno"> 2106</span> </div>
<div class="line"><a name="l02107"></a><span class="lineno"> 2107</span>  <span class="keywordflow">if</span>( dh_flag == 0 )</div>
<div class="line"><a name="l02108"></a><span class="lineno"> 2108</span>  {</div>
<div class="line"><a name="l02109"></a><span class="lineno"> 2109</span>  <span class="keywordflow">while</span>( ( ret = <a class="code" href="bignum_8h.html#adf23b7959312c2fcf222d7ce6ac32320">mpi_is_prime</a>( X, f_rng, p_rng ) ) != 0 )</div>
<div class="line"><a name="l02110"></a><span class="lineno"> 2110</span>  {</div>
<div class="line"><a name="l02111"></a><span class="lineno"> 2111</span>  <span class="keywordflow">if</span>( ret != <a class="code" href="bignum_8h.html#ac42cb2c2b13df48182ee833de2e4adbf">POLARSSL_ERR_MPI_NOT_ACCEPTABLE</a> )</div>
<div class="line"><a name="l02112"></a><span class="lineno"> 2112</span>  <span class="keywordflow">goto</span> cleanup;</div>
<div class="line"><a name="l02113"></a><span class="lineno"> 2113</span> </div>
<div class="line"><a name="l02114"></a><span class="lineno"> 2114</span>  <a class="code" href="bignum_8h.html#a024b186dd3608bcbcfc9dd36212a18ec">MPI_CHK</a>( <a class="code" href="bignum_8h.html#a3b88dbe31d038dfae7f27144984f9ae0">mpi_add_int</a>( X, X, 2 ) );</div>
<div class="line"><a name="l02115"></a><span class="lineno"> 2115</span>  }</div>
<div class="line"><a name="l02116"></a><span class="lineno"> 2116</span>  }</div>
<div class="line"><a name="l02117"></a><span class="lineno"> 2117</span>  <span class="keywordflow">else</span></div>
<div class="line"><a name="l02118"></a><span class="lineno"> 2118</span>  {</div>
<div class="line"><a name="l02119"></a><span class="lineno"> 2119</span>  <span class="comment">/*</span></div>
<div class="line"><a name="l02120"></a><span class="lineno"> 2120</span> <span class="comment"> * An necessary condition for Y and X = 2Y + 1 to be prime</span></div>
<div class="line"><a name="l02121"></a><span class="lineno"> 2121</span> <span class="comment"> * is X = 2 mod 3 (which is equivalent to Y = 2 mod 3).</span></div>
<div class="line"><a name="l02122"></a><span class="lineno"> 2122</span> <span class="comment"> * Make sure it is satisfied, while keeping X = 3 mod 4</span></div>
<div class="line"><a name="l02123"></a><span class="lineno"> 2123</span> <span class="comment"> */</span></div>
<div class="line"><a name="l02124"></a><span class="lineno"> 2124</span>  <a class="code" href="bignum_8h.html#a024b186dd3608bcbcfc9dd36212a18ec">MPI_CHK</a>( <a class="code" href="bignum_8h.html#a8cf9128e5d55fd1e95696fe8cb405b92">mpi_mod_int</a>( &r, X, 3 ) );</div>
<div class="line"><a name="l02125"></a><span class="lineno"> 2125</span>  <span class="keywordflow">if</span>( r == 0 )</div>
<div class="line"><a name="l02126"></a><span class="lineno"> 2126</span>  <a class="code" href="bignum_8h.html#a024b186dd3608bcbcfc9dd36212a18ec">MPI_CHK</a>( <a class="code" href="bignum_8h.html#a3b88dbe31d038dfae7f27144984f9ae0">mpi_add_int</a>( X, X, 8 ) );</div>
<div class="line"><a name="l02127"></a><span class="lineno"> 2127</span>  <span class="keywordflow">else</span> <span class="keywordflow">if</span>( r == 1 )</div>
<div class="line"><a name="l02128"></a><span class="lineno"> 2128</span>  <a class="code" href="bignum_8h.html#a024b186dd3608bcbcfc9dd36212a18ec">MPI_CHK</a>( <a class="code" href="bignum_8h.html#a3b88dbe31d038dfae7f27144984f9ae0">mpi_add_int</a>( X, X, 4 ) );</div>
<div class="line"><a name="l02129"></a><span class="lineno"> 2129</span> </div>
<div class="line"><a name="l02130"></a><span class="lineno"> 2130</span>  <span class="comment">/* Set Y = (X-1) / 2, which is X / 2 because X is odd */</span></div>
<div class="line"><a name="l02131"></a><span class="lineno"> 2131</span>  <a class="code" href="bignum_8h.html#a024b186dd3608bcbcfc9dd36212a18ec">MPI_CHK</a>( <a class="code" href="bignum_8h.html#a6fbcce39a9d92d9e2a560f8aa6a810f4">mpi_copy</a>( &Y, X ) );</div>
<div class="line"><a name="l02132"></a><span class="lineno"> 2132</span>  <a class="code" href="bignum_8h.html#a024b186dd3608bcbcfc9dd36212a18ec">MPI_CHK</a>( <a class="code" href="bignum_8h.html#a01de1543da79d0ad0f58916d608f6ff8">mpi_shift_r</a>( &Y, 1 ) );</div>
<div class="line"><a name="l02133"></a><span class="lineno"> 2133</span> </div>
<div class="line"><a name="l02134"></a><span class="lineno"> 2134</span>  <span class="keywordflow">while</span>( 1 )</div>
<div class="line"><a name="l02135"></a><span class="lineno"> 2135</span>  {</div>
<div class="line"><a name="l02136"></a><span class="lineno"> 2136</span>  <span class="comment">/*</span></div>
<div class="line"><a name="l02137"></a><span class="lineno"> 2137</span> <span class="comment"> * First, check small factors for X and Y</span></div>
<div class="line"><a name="l02138"></a><span class="lineno"> 2138</span> <span class="comment"> * before doing Miller-Rabin on any of them</span></div>
<div class="line"><a name="l02139"></a><span class="lineno"> 2139</span> <span class="comment"> */</span></div>
<div class="line"><a name="l02140"></a><span class="lineno"> 2140</span>  <span class="keywordflow">if</span>( ( ret = mpi_check_small_factors( X ) ) == 0 &&</div>
<div class="line"><a name="l02141"></a><span class="lineno"> 2141</span>  ( ret = mpi_check_small_factors( &Y ) ) == 0 &&</div>
<div class="line"><a name="l02142"></a><span class="lineno"> 2142</span>  ( ret = mpi_miller_rabin( X, f_rng, p_rng ) ) == 0 &&</div>
<div class="line"><a name="l02143"></a><span class="lineno"> 2143</span>  ( ret = mpi_miller_rabin( &Y, f_rng, p_rng ) ) == 0 )</div>
<div class="line"><a name="l02144"></a><span class="lineno"> 2144</span>  {</div>
<div class="line"><a name="l02145"></a><span class="lineno"> 2145</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l02146"></a><span class="lineno"> 2146</span>  }</div>
<div class="line"><a name="l02147"></a><span class="lineno"> 2147</span> </div>
<div class="line"><a name="l02148"></a><span class="lineno"> 2148</span>  <span class="keywordflow">if</span>( ret != <a class="code" href="bignum_8h.html#ac42cb2c2b13df48182ee833de2e4adbf">POLARSSL_ERR_MPI_NOT_ACCEPTABLE</a> )</div>
<div class="line"><a name="l02149"></a><span class="lineno"> 2149</span>  <span class="keywordflow">goto</span> cleanup;</div>
<div class="line"><a name="l02150"></a><span class="lineno"> 2150</span> </div>
<div class="line"><a name="l02151"></a><span class="lineno"> 2151</span>  <span class="comment">/*</span></div>
<div class="line"><a name="l02152"></a><span class="lineno"> 2152</span> <span class="comment"> * Next candidates. We want to preserve Y = (X-1) / 2 and</span></div>
<div class="line"><a name="l02153"></a><span class="lineno"> 2153</span> <span class="comment"> * Y = 1 mod 2 and Y = 2 mod 3 (eq X = 3 mod 4 and X = 2 mod 3)</span></div>
<div class="line"><a name="l02154"></a><span class="lineno"> 2154</span> <span class="comment"> * so up Y by 6 and X by 12.</span></div>
<div class="line"><a name="l02155"></a><span class="lineno"> 2155</span> <span class="comment"> */</span></div>
<div class="line"><a name="l02156"></a><span class="lineno"> 2156</span>  <a class="code" href="bignum_8h.html#a024b186dd3608bcbcfc9dd36212a18ec">MPI_CHK</a>( <a class="code" href="bignum_8h.html#a3b88dbe31d038dfae7f27144984f9ae0">mpi_add_int</a>( X, X, 12 ) );</div>
<div class="line"><a name="l02157"></a><span class="lineno"> 2157</span>  <a class="code" href="bignum_8h.html#a024b186dd3608bcbcfc9dd36212a18ec">MPI_CHK</a>( <a class="code" href="bignum_8h.html#a3b88dbe31d038dfae7f27144984f9ae0">mpi_add_int</a>( &Y, &Y, 6 ) );</div>
<div class="line"><a name="l02158"></a><span class="lineno"> 2158</span>  }</div>
<div class="line"><a name="l02159"></a><span class="lineno"> 2159</span>  }</div>
<div class="line"><a name="l02160"></a><span class="lineno"> 2160</span> </div>
<div class="line"><a name="l02161"></a><span class="lineno"> 2161</span> cleanup:</div>
<div class="line"><a name="l02162"></a><span class="lineno"> 2162</span> </div>
<div class="line"><a name="l02163"></a><span class="lineno"> 2163</span>  <a class="code" href="bignum_8h.html#ae1f6507671587755e46bbf0afcae6a8c">mpi_free</a>( &Y );</div>
<div class="line"><a name="l02164"></a><span class="lineno"> 2164</span> </div>
<div class="line"><a name="l02165"></a><span class="lineno"> 2165</span>  <span class="keywordflow">return</span>( ret );</div>
<div class="line"><a name="l02166"></a><span class="lineno"> 2166</span> }</div>
<div class="line"><a name="l02167"></a><span class="lineno"> 2167</span> </div>
<div class="line"><a name="l02168"></a><span class="lineno"> 2168</span> <span class="preprocessor">#endif </span><span class="comment">/* POLARSSL_GENPRIME */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l02169"></a><span class="lineno"> 2169</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l02170"></a><span class="lineno"> 2170</span> <span class="preprocessor">#if defined(POLARSSL_SELF_TEST)</span></div>
<div class="line"><a name="l02171"></a><span class="lineno"> 2171</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l02172"></a><span class="lineno"> 2172</span> <span class="preprocessor">#define GCD_PAIR_COUNT 3</span></div>
<div class="line"><a name="l02173"></a><span class="lineno"> 2173</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l02174"></a><span class="lineno"> 2174</span> <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">int</span> gcd_pairs[GCD_PAIR_COUNT][3] =</div>
<div class="line"><a name="l02175"></a><span class="lineno"> 2175</span> {</div>
<div class="line"><a name="l02176"></a><span class="lineno"> 2176</span>  { 693, 609, 21 },</div>
<div class="line"><a name="l02177"></a><span class="lineno"> 2177</span>  { 1764, 868, 28 },</div>
<div class="line"><a name="l02178"></a><span class="lineno"> 2178</span>  { 768454923, 542167814, 1 }</div>
<div class="line"><a name="l02179"></a><span class="lineno"> 2179</span> };</div>
<div class="line"><a name="l02180"></a><span class="lineno"> 2180</span> </div>
<div class="line"><a name="l02181"></a><span class="lineno"> 2181</span> <span class="comment">/*</span></div>
<div class="line"><a name="l02182"></a><span class="lineno"> 2182</span> <span class="comment"> * Checkup routine</span></div>
<div class="line"><a name="l02183"></a><span class="lineno"> 2183</span> <span class="comment"> */</span></div>
<div class="line"><a name="l02184"></a><span class="lineno"> 2184</span> <span class="keywordtype">int</span> <a class="code" href="bignum_8h.html#ab21c92239348bc2c84513968a3e391b2">mpi_self_test</a>( <span class="keywordtype">int</span> verbose )</div>
<div class="line"><a name="l02185"></a><span class="lineno"> 2185</span> {</div>
<div class="line"><a name="l02186"></a><span class="lineno"> 2186</span>  <span class="keywordtype">int</span> ret, i;</div>
<div class="line"><a name="l02187"></a><span class="lineno"> 2187</span>  <a class="code" href="structmpi.html">mpi</a> A, E, N, X, Y, U, V;</div>
<div class="line"><a name="l02188"></a><span class="lineno"> 2188</span> </div>
<div class="line"><a name="l02189"></a><span class="lineno"> 2189</span>  <a class="code" href="bignum_8h.html#a201666869f65225d6535bcc697f95c9b">mpi_init</a>( &A ); <a class="code" href="bignum_8h.html#a201666869f65225d6535bcc697f95c9b">mpi_init</a>( &E ); <a class="code" href="bignum_8h.html#a201666869f65225d6535bcc697f95c9b">mpi_init</a>( &N ); <a class="code" href="bignum_8h.html#a201666869f65225d6535bcc697f95c9b">mpi_init</a>( &X );</div>
<div class="line"><a name="l02190"></a><span class="lineno"> 2190</span>  <a class="code" href="bignum_8h.html#a201666869f65225d6535bcc697f95c9b">mpi_init</a>( &Y ); <a class="code" href="bignum_8h.html#a201666869f65225d6535bcc697f95c9b">mpi_init</a>( &U ); <a class="code" href="bignum_8h.html#a201666869f65225d6535bcc697f95c9b">mpi_init</a>( &V );</div>
<div class="line"><a name="l02191"></a><span class="lineno"> 2191</span> </div>
<div class="line"><a name="l02192"></a><span class="lineno"> 2192</span>  <a class="code" href="bignum_8h.html#a024b186dd3608bcbcfc9dd36212a18ec">MPI_CHK</a>( <a class="code" href="bignum_8h.html#a752d12c301f4e5df56f17e9bc8d78d74">mpi_read_string</a>( &A, 16,</div>
<div class="line"><a name="l02193"></a><span class="lineno"> 2193</span>  <span class="stringliteral">"EFE021C2645FD1DC586E69184AF4A31E"</span> \</div>
<div class="line"><a name="l02194"></a><span class="lineno"> 2194</span>  <span class="stringliteral">"D5F53E93B5F123FA41680867BA110131"</span> \</div>
<div class="line"><a name="l02195"></a><span class="lineno"> 2195</span>  <span class="stringliteral">"944FE7952E2517337780CB0DB80E61AA"</span> \</div>
<div class="line"><a name="l02196"></a><span class="lineno"> 2196</span>  <span class="stringliteral">"E7C8DDC6C5C6AADEB34EB38A2F40D5E6"</span> ) );</div>
<div class="line"><a name="l02197"></a><span class="lineno"> 2197</span> </div>
<div class="line"><a name="l02198"></a><span class="lineno"> 2198</span>  <a class="code" href="bignum_8h.html#a024b186dd3608bcbcfc9dd36212a18ec">MPI_CHK</a>( <a class="code" href="bignum_8h.html#a752d12c301f4e5df56f17e9bc8d78d74">mpi_read_string</a>( &E, 16,</div>
<div class="line"><a name="l02199"></a><span class="lineno"> 2199</span>  <span class="stringliteral">"B2E7EFD37075B9F03FF989C7C5051C20"</span> \</div>
<div class="line"><a name="l02200"></a><span class="lineno"> 2200</span>  <span class="stringliteral">"34D2A323810251127E7BF8625A4F49A5"</span> \</div>
<div class="line"><a name="l02201"></a><span class="lineno"> 2201</span>  <span class="stringliteral">"F3E27F4DA8BD59C47D6DAABA4C8127BD"</span> \</div>
<div class="line"><a name="l02202"></a><span class="lineno"> 2202</span>  <span class="stringliteral">"5B5C25763222FEFCCFC38B832366C29E"</span> ) );</div>
<div class="line"><a name="l02203"></a><span class="lineno"> 2203</span> </div>
<div class="line"><a name="l02204"></a><span class="lineno"> 2204</span>  <a class="code" href="bignum_8h.html#a024b186dd3608bcbcfc9dd36212a18ec">MPI_CHK</a>( <a class="code" href="bignum_8h.html#a752d12c301f4e5df56f17e9bc8d78d74">mpi_read_string</a>( &N, 16,</div>
<div class="line"><a name="l02205"></a><span class="lineno"> 2205</span>  <span class="stringliteral">"0066A198186C18C10B2F5ED9B522752A"</span> \</div>
<div class="line"><a name="l02206"></a><span class="lineno"> 2206</span>  <span class="stringliteral">"9830B69916E535C8F047518A889A43A5"</span> \</div>
<div class="line"><a name="l02207"></a><span class="lineno"> 2207</span>  <span class="stringliteral">"94B6BED27A168D31D4A52F88925AA8F5"</span> ) );</div>
<div class="line"><a name="l02208"></a><span class="lineno"> 2208</span> </div>
<div class="line"><a name="l02209"></a><span class="lineno"> 2209</span>  <a class="code" href="bignum_8h.html#a024b186dd3608bcbcfc9dd36212a18ec">MPI_CHK</a>( <a class="code" href="bignum_8h.html#ab63bfb07b27db84268491cd7d68bddc0">mpi_mul_mpi</a>( &X, &A, &N ) );</div>
<div class="line"><a name="l02210"></a><span class="lineno"> 2210</span> </div>
<div class="line"><a name="l02211"></a><span class="lineno"> 2211</span>  <a class="code" href="bignum_8h.html#a024b186dd3608bcbcfc9dd36212a18ec">MPI_CHK</a>( <a class="code" href="bignum_8h.html#a752d12c301f4e5df56f17e9bc8d78d74">mpi_read_string</a>( &U, 16,</div>
<div class="line"><a name="l02212"></a><span class="lineno"> 2212</span>  <span class="stringliteral">"602AB7ECA597A3D6B56FF9829A5E8B85"</span> \</div>
<div class="line"><a name="l02213"></a><span class="lineno"> 2213</span>  <span class="stringliteral">"9E857EA95A03512E2BAE7391688D264A"</span> \</div>
<div class="line"><a name="l02214"></a><span class="lineno"> 2214</span>  <span class="stringliteral">"A5663B0341DB9CCFD2C4C5F421FEC814"</span> \</div>
<div class="line"><a name="l02215"></a><span class="lineno"> 2215</span>  <span class="stringliteral">"8001B72E848A38CAE1C65F78E56ABDEF"</span> \</div>
<div class="line"><a name="l02216"></a><span class="lineno"> 2216</span>  <span class="stringliteral">"E12D3C039B8A02D6BE593F0BBBDA56F1"</span> \</div>
<div class="line"><a name="l02217"></a><span class="lineno"> 2217</span>  <span class="stringliteral">"ECF677152EF804370C1A305CAF3B5BF1"</span> \</div>
<div class="line"><a name="l02218"></a><span class="lineno"> 2218</span>  <span class="stringliteral">"30879B56C61DE584A0F53A2447A51E"</span> ) );</div>
<div class="line"><a name="l02219"></a><span class="lineno"> 2219</span> </div>
<div class="line"><a name="l02220"></a><span class="lineno"> 2220</span>  <span class="keywordflow">if</span>( verbose != 0 )</div>
<div class="line"><a name="l02221"></a><span class="lineno"> 2221</span>  <a class="code" href="test__suite__aes_8cbc_8c.html#afc6a7362c0f0c9cfa8fc76b3281e2b37">polarssl_printf</a>( <span class="stringliteral">" MPI test #1 (mul_mpi): "</span> );</div>
<div class="line"><a name="l02222"></a><span class="lineno"> 2222</span> </div>
<div class="line"><a name="l02223"></a><span class="lineno"> 2223</span>  <span class="keywordflow">if</span>( <a class="code" href="bignum_8h.html#aec20dff9d78738e3c80b212df9875b83">mpi_cmp_mpi</a>( &X, &U ) != 0 )</div>
<div class="line"><a name="l02224"></a><span class="lineno"> 2224</span>  {</div>
<div class="line"><a name="l02225"></a><span class="lineno"> 2225</span>  <span class="keywordflow">if</span>( verbose != 0 )</div>
<div class="line"><a name="l02226"></a><span class="lineno"> 2226</span>  <a class="code" href="test__suite__aes_8cbc_8c.html#afc6a7362c0f0c9cfa8fc76b3281e2b37">polarssl_printf</a>( <span class="stringliteral">"failed\n"</span> );</div>
<div class="line"><a name="l02227"></a><span class="lineno"> 2227</span> </div>
<div class="line"><a name="l02228"></a><span class="lineno"> 2228</span>  ret = 1;</div>
<div class="line"><a name="l02229"></a><span class="lineno"> 2229</span>  <span class="keywordflow">goto</span> cleanup;</div>
<div class="line"><a name="l02230"></a><span class="lineno"> 2230</span>  }</div>
<div class="line"><a name="l02231"></a><span class="lineno"> 2231</span> </div>
<div class="line"><a name="l02232"></a><span class="lineno"> 2232</span>  <span class="keywordflow">if</span>( verbose != 0 )</div>
<div class="line"><a name="l02233"></a><span class="lineno"> 2233</span>  <a class="code" href="test__suite__aes_8cbc_8c.html#afc6a7362c0f0c9cfa8fc76b3281e2b37">polarssl_printf</a>( <span class="stringliteral">"passed\n"</span> );</div>
<div class="line"><a name="l02234"></a><span class="lineno"> 2234</span> </div>
<div class="line"><a name="l02235"></a><span class="lineno"> 2235</span>  <a class="code" href="bignum_8h.html#a024b186dd3608bcbcfc9dd36212a18ec">MPI_CHK</a>( <a class="code" href="bignum_8h.html#a0804ce20a4a1cba3e3dcd3ac520b1ffb">mpi_div_mpi</a>( &X, &Y, &A, &N ) );</div>
<div class="line"><a name="l02236"></a><span class="lineno"> 2236</span> </div>
<div class="line"><a name="l02237"></a><span class="lineno"> 2237</span>  <a class="code" href="bignum_8h.html#a024b186dd3608bcbcfc9dd36212a18ec">MPI_CHK</a>( <a class="code" href="bignum_8h.html#a752d12c301f4e5df56f17e9bc8d78d74">mpi_read_string</a>( &U, 16,</div>
<div class="line"><a name="l02238"></a><span class="lineno"> 2238</span>  <span class="stringliteral">"256567336059E52CAE22925474705F39A94"</span> ) );</div>
<div class="line"><a name="l02239"></a><span class="lineno"> 2239</span> </div>
<div class="line"><a name="l02240"></a><span class="lineno"> 2240</span>  <a class="code" href="bignum_8h.html#a024b186dd3608bcbcfc9dd36212a18ec">MPI_CHK</a>( <a class="code" href="bignum_8h.html#a752d12c301f4e5df56f17e9bc8d78d74">mpi_read_string</a>( &V, 16,</div>
<div class="line"><a name="l02241"></a><span class="lineno"> 2241</span>  <span class="stringliteral">"6613F26162223DF488E9CD48CC132C7A"</span> \</div>
<div class="line"><a name="l02242"></a><span class="lineno"> 2242</span>  <span class="stringliteral">"0AC93C701B001B092E4E5B9F73BCD27B"</span> \</div>
<div class="line"><a name="l02243"></a><span class="lineno"> 2243</span>  <span class="stringliteral">"9EE50D0657C77F374E903CDFA4C642"</span> ) );</div>
<div class="line"><a name="l02244"></a><span class="lineno"> 2244</span> </div>
<div class="line"><a name="l02245"></a><span class="lineno"> 2245</span>  <span class="keywordflow">if</span>( verbose != 0 )</div>
<div class="line"><a name="l02246"></a><span class="lineno"> 2246</span>  <a class="code" href="test__suite__aes_8cbc_8c.html#afc6a7362c0f0c9cfa8fc76b3281e2b37">polarssl_printf</a>( <span class="stringliteral">" MPI test #2 (div_mpi): "</span> );</div>
<div class="line"><a name="l02247"></a><span class="lineno"> 2247</span> </div>
<div class="line"><a name="l02248"></a><span class="lineno"> 2248</span>  <span class="keywordflow">if</span>( <a class="code" href="bignum_8h.html#aec20dff9d78738e3c80b212df9875b83">mpi_cmp_mpi</a>( &X, &U ) != 0 ||</div>
<div class="line"><a name="l02249"></a><span class="lineno"> 2249</span>  <a class="code" href="bignum_8h.html#aec20dff9d78738e3c80b212df9875b83">mpi_cmp_mpi</a>( &Y, &V ) != 0 )</div>
<div class="line"><a name="l02250"></a><span class="lineno"> 2250</span>  {</div>
<div class="line"><a name="l02251"></a><span class="lineno"> 2251</span>  <span class="keywordflow">if</span>( verbose != 0 )</div>
<div class="line"><a name="l02252"></a><span class="lineno"> 2252</span>  <a class="code" href="test__suite__aes_8cbc_8c.html#afc6a7362c0f0c9cfa8fc76b3281e2b37">polarssl_printf</a>( <span class="stringliteral">"failed\n"</span> );</div>
<div class="line"><a name="l02253"></a><span class="lineno"> 2253</span> </div>
<div class="line"><a name="l02254"></a><span class="lineno"> 2254</span>  ret = 1;</div>
<div class="line"><a name="l02255"></a><span class="lineno"> 2255</span>  <span class="keywordflow">goto</span> cleanup;</div>
<div class="line"><a name="l02256"></a><span class="lineno"> 2256</span>  }</div>
<div class="line"><a name="l02257"></a><span class="lineno"> 2257</span> </div>
<div class="line"><a name="l02258"></a><span class="lineno"> 2258</span>  <span class="keywordflow">if</span>( verbose != 0 )</div>
<div class="line"><a name="l02259"></a><span class="lineno"> 2259</span>  <a class="code" href="test__suite__aes_8cbc_8c.html#afc6a7362c0f0c9cfa8fc76b3281e2b37">polarssl_printf</a>( <span class="stringliteral">"passed\n"</span> );</div>
<div class="line"><a name="l02260"></a><span class="lineno"> 2260</span> </div>
<div class="line"><a name="l02261"></a><span class="lineno"> 2261</span>  <a class="code" href="bignum_8h.html#a024b186dd3608bcbcfc9dd36212a18ec">MPI_CHK</a>( <a class="code" href="bignum_8h.html#a84befed1943a584332e0599605b0d3fe">mpi_exp_mod</a>( &X, &A, &E, &N, NULL ) );</div>
<div class="line"><a name="l02262"></a><span class="lineno"> 2262</span> </div>
<div class="line"><a name="l02263"></a><span class="lineno"> 2263</span>  <a class="code" href="bignum_8h.html#a024b186dd3608bcbcfc9dd36212a18ec">MPI_CHK</a>( <a class="code" href="bignum_8h.html#a752d12c301f4e5df56f17e9bc8d78d74">mpi_read_string</a>( &U, 16,</div>
<div class="line"><a name="l02264"></a><span class="lineno"> 2264</span>  <span class="stringliteral">"36E139AEA55215609D2816998ED020BB"</span> \</div>
<div class="line"><a name="l02265"></a><span class="lineno"> 2265</span>  <span class="stringliteral">"BD96C37890F65171D948E9BC7CBAA4D9"</span> \</div>
<div class="line"><a name="l02266"></a><span class="lineno"> 2266</span>  <span class="stringliteral">"325D24D6A3C12710F10A09FA08AB87"</span> ) );</div>
<div class="line"><a name="l02267"></a><span class="lineno"> 2267</span> </div>
<div class="line"><a name="l02268"></a><span class="lineno"> 2268</span>  <span class="keywordflow">if</span>( verbose != 0 )</div>
<div class="line"><a name="l02269"></a><span class="lineno"> 2269</span>  <a class="code" href="test__suite__aes_8cbc_8c.html#afc6a7362c0f0c9cfa8fc76b3281e2b37">polarssl_printf</a>( <span class="stringliteral">" MPI test #3 (exp_mod): "</span> );</div>
<div class="line"><a name="l02270"></a><span class="lineno"> 2270</span> </div>
<div class="line"><a name="l02271"></a><span class="lineno"> 2271</span>  <span class="keywordflow">if</span>( <a class="code" href="bignum_8h.html#aec20dff9d78738e3c80b212df9875b83">mpi_cmp_mpi</a>( &X, &U ) != 0 )</div>
<div class="line"><a name="l02272"></a><span class="lineno"> 2272</span>  {</div>
<div class="line"><a name="l02273"></a><span class="lineno"> 2273</span>  <span class="keywordflow">if</span>( verbose != 0 )</div>
<div class="line"><a name="l02274"></a><span class="lineno"> 2274</span>  <a class="code" href="test__suite__aes_8cbc_8c.html#afc6a7362c0f0c9cfa8fc76b3281e2b37">polarssl_printf</a>( <span class="stringliteral">"failed\n"</span> );</div>
<div class="line"><a name="l02275"></a><span class="lineno"> 2275</span> </div>
<div class="line"><a name="l02276"></a><span class="lineno"> 2276</span>  ret = 1;</div>
<div class="line"><a name="l02277"></a><span class="lineno"> 2277</span>  <span class="keywordflow">goto</span> cleanup;</div>
<div class="line"><a name="l02278"></a><span class="lineno"> 2278</span>  }</div>
<div class="line"><a name="l02279"></a><span class="lineno"> 2279</span> </div>
<div class="line"><a name="l02280"></a><span class="lineno"> 2280</span>  <span class="keywordflow">if</span>( verbose != 0 )</div>
<div class="line"><a name="l02281"></a><span class="lineno"> 2281</span>  <a class="code" href="test__suite__aes_8cbc_8c.html#afc6a7362c0f0c9cfa8fc76b3281e2b37">polarssl_printf</a>( <span class="stringliteral">"passed\n"</span> );</div>
<div class="line"><a name="l02282"></a><span class="lineno"> 2282</span> </div>
<div class="line"><a name="l02283"></a><span class="lineno"> 2283</span>  <a class="code" href="bignum_8h.html#a024b186dd3608bcbcfc9dd36212a18ec">MPI_CHK</a>( <a class="code" href="bignum_8h.html#a090616da16b87653c025874e1675da79">mpi_inv_mod</a>( &X, &A, &N ) );</div>
<div class="line"><a name="l02284"></a><span class="lineno"> 2284</span> </div>
<div class="line"><a name="l02285"></a><span class="lineno"> 2285</span>  <a class="code" href="bignum_8h.html#a024b186dd3608bcbcfc9dd36212a18ec">MPI_CHK</a>( <a class="code" href="bignum_8h.html#a752d12c301f4e5df56f17e9bc8d78d74">mpi_read_string</a>( &U, 16,</div>
<div class="line"><a name="l02286"></a><span class="lineno"> 2286</span>  <span class="stringliteral">"003A0AAEDD7E784FC07D8F9EC6E3BFD5"</span> \</div>
<div class="line"><a name="l02287"></a><span class="lineno"> 2287</span>  <span class="stringliteral">"C3DBA76456363A10869622EAC2DD84EC"</span> \</div>
<div class="line"><a name="l02288"></a><span class="lineno"> 2288</span>  <span class="stringliteral">"C5B8A74DAC4D09E03B5E0BE779F2DF61"</span> ) );</div>
<div class="line"><a name="l02289"></a><span class="lineno"> 2289</span> </div>
<div class="line"><a name="l02290"></a><span class="lineno"> 2290</span>  <span class="keywordflow">if</span>( verbose != 0 )</div>
<div class="line"><a name="l02291"></a><span class="lineno"> 2291</span>  <a class="code" href="test__suite__aes_8cbc_8c.html#afc6a7362c0f0c9cfa8fc76b3281e2b37">polarssl_printf</a>( <span class="stringliteral">" MPI test #4 (inv_mod): "</span> );</div>
<div class="line"><a name="l02292"></a><span class="lineno"> 2292</span> </div>
<div class="line"><a name="l02293"></a><span class="lineno"> 2293</span>  <span class="keywordflow">if</span>( <a class="code" href="bignum_8h.html#aec20dff9d78738e3c80b212df9875b83">mpi_cmp_mpi</a>( &X, &U ) != 0 )</div>
<div class="line"><a name="l02294"></a><span class="lineno"> 2294</span>  {</div>
<div class="line"><a name="l02295"></a><span class="lineno"> 2295</span>  <span class="keywordflow">if</span>( verbose != 0 )</div>
<div class="line"><a name="l02296"></a><span class="lineno"> 2296</span>  <a class="code" href="test__suite__aes_8cbc_8c.html#afc6a7362c0f0c9cfa8fc76b3281e2b37">polarssl_printf</a>( <span class="stringliteral">"failed\n"</span> );</div>
<div class="line"><a name="l02297"></a><span class="lineno"> 2297</span> </div>
<div class="line"><a name="l02298"></a><span class="lineno"> 2298</span>  ret = 1;</div>
<div class="line"><a name="l02299"></a><span class="lineno"> 2299</span>  <span class="keywordflow">goto</span> cleanup;</div>
<div class="line"><a name="l02300"></a><span class="lineno"> 2300</span>  }</div>
<div class="line"><a name="l02301"></a><span class="lineno"> 2301</span> </div>
<div class="line"><a name="l02302"></a><span class="lineno"> 2302</span>  <span class="keywordflow">if</span>( verbose != 0 )</div>
<div class="line"><a name="l02303"></a><span class="lineno"> 2303</span>  <a class="code" href="test__suite__aes_8cbc_8c.html#afc6a7362c0f0c9cfa8fc76b3281e2b37">polarssl_printf</a>( <span class="stringliteral">"passed\n"</span> );</div>
<div class="line"><a name="l02304"></a><span class="lineno"> 2304</span> </div>
<div class="line"><a name="l02305"></a><span class="lineno"> 2305</span>  <span class="keywordflow">if</span>( verbose != 0 )</div>
<div class="line"><a name="l02306"></a><span class="lineno"> 2306</span>  <a class="code" href="test__suite__aes_8cbc_8c.html#afc6a7362c0f0c9cfa8fc76b3281e2b37">polarssl_printf</a>( <span class="stringliteral">" MPI test #5 (simple gcd): "</span> );</div>
<div class="line"><a name="l02307"></a><span class="lineno"> 2307</span> </div>
<div class="line"><a name="l02308"></a><span class="lineno"> 2308</span>  <span class="keywordflow">for</span>( i = 0; i < GCD_PAIR_COUNT; i++ )</div>
<div class="line"><a name="l02309"></a><span class="lineno"> 2309</span>  {</div>
<div class="line"><a name="l02310"></a><span class="lineno"> 2310</span>  <a class="code" href="bignum_8h.html#a024b186dd3608bcbcfc9dd36212a18ec">MPI_CHK</a>( <a class="code" href="bignum_8h.html#a007d6236aebb0ff4a3d92ce8f525a3ae">mpi_lset</a>( &X, gcd_pairs[i][0] ) );</div>
<div class="line"><a name="l02311"></a><span class="lineno"> 2311</span>  <a class="code" href="bignum_8h.html#a024b186dd3608bcbcfc9dd36212a18ec">MPI_CHK</a>( <a class="code" href="bignum_8h.html#a007d6236aebb0ff4a3d92ce8f525a3ae">mpi_lset</a>( &Y, gcd_pairs[i][1] ) );</div>
<div class="line"><a name="l02312"></a><span class="lineno"> 2312</span> </div>
<div class="line"><a name="l02313"></a><span class="lineno"> 2313</span>  <a class="code" href="bignum_8h.html#a024b186dd3608bcbcfc9dd36212a18ec">MPI_CHK</a>( <a class="code" href="bignum_8h.html#ab1448e8d36dbf542b2230131da8298aa">mpi_gcd</a>( &A, &X, &Y ) );</div>
<div class="line"><a name="l02314"></a><span class="lineno"> 2314</span> </div>
<div class="line"><a name="l02315"></a><span class="lineno"> 2315</span>  <span class="keywordflow">if</span>( <a class="code" href="bignum_8h.html#aee6dc030f0fa278c1576c457088b4910">mpi_cmp_int</a>( &A, gcd_pairs[i][2] ) != 0 )</div>
<div class="line"><a name="l02316"></a><span class="lineno"> 2316</span>  {</div>
<div class="line"><a name="l02317"></a><span class="lineno"> 2317</span>  <span class="keywordflow">if</span>( verbose != 0 )</div>
<div class="line"><a name="l02318"></a><span class="lineno"> 2318</span>  <a class="code" href="test__suite__aes_8cbc_8c.html#afc6a7362c0f0c9cfa8fc76b3281e2b37">polarssl_printf</a>( <span class="stringliteral">"failed at %d\n"</span>, i );</div>
<div class="line"><a name="l02319"></a><span class="lineno"> 2319</span> </div>
<div class="line"><a name="l02320"></a><span class="lineno"> 2320</span>  ret = 1;</div>
<div class="line"><a name="l02321"></a><span class="lineno"> 2321</span>  <span class="keywordflow">goto</span> cleanup;</div>
<div class="line"><a name="l02322"></a><span class="lineno"> 2322</span>  }</div>
<div class="line"><a name="l02323"></a><span class="lineno"> 2323</span>  }</div>
<div class="line"><a name="l02324"></a><span class="lineno"> 2324</span> </div>
<div class="line"><a name="l02325"></a><span class="lineno"> 2325</span>  <span class="keywordflow">if</span>( verbose != 0 )</div>
<div class="line"><a name="l02326"></a><span class="lineno"> 2326</span>  <a class="code" href="test__suite__aes_8cbc_8c.html#afc6a7362c0f0c9cfa8fc76b3281e2b37">polarssl_printf</a>( <span class="stringliteral">"passed\n"</span> );</div>
<div class="line"><a name="l02327"></a><span class="lineno"> 2327</span> </div>
<div class="line"><a name="l02328"></a><span class="lineno"> 2328</span> cleanup:</div>
<div class="line"><a name="l02329"></a><span class="lineno"> 2329</span> </div>
<div class="line"><a name="l02330"></a><span class="lineno"> 2330</span>  <span class="keywordflow">if</span>( ret != 0 && verbose != 0 )</div>
<div class="line"><a name="l02331"></a><span class="lineno"> 2331</span>  <a class="code" href="test__suite__aes_8cbc_8c.html#afc6a7362c0f0c9cfa8fc76b3281e2b37">polarssl_printf</a>( <span class="stringliteral">"Unexpected error, return code = %08X\n"</span>, ret );</div>
<div class="line"><a name="l02332"></a><span class="lineno"> 2332</span> </div>
<div class="line"><a name="l02333"></a><span class="lineno"> 2333</span>  <a class="code" href="bignum_8h.html#ae1f6507671587755e46bbf0afcae6a8c">mpi_free</a>( &A ); <a class="code" href="bignum_8h.html#ae1f6507671587755e46bbf0afcae6a8c">mpi_free</a>( &E ); <a class="code" href="bignum_8h.html#ae1f6507671587755e46bbf0afcae6a8c">mpi_free</a>( &N ); <a class="code" href="bignum_8h.html#ae1f6507671587755e46bbf0afcae6a8c">mpi_free</a>( &X );</div>
<div class="line"><a name="l02334"></a><span class="lineno"> 2334</span>  <a class="code" href="bignum_8h.html#ae1f6507671587755e46bbf0afcae6a8c">mpi_free</a>( &Y ); <a class="code" href="bignum_8h.html#ae1f6507671587755e46bbf0afcae6a8c">mpi_free</a>( &U ); <a class="code" href="bignum_8h.html#ae1f6507671587755e46bbf0afcae6a8c">mpi_free</a>( &V );</div>
<div class="line"><a name="l02335"></a><span class="lineno"> 2335</span> </div>
<div class="line"><a name="l02336"></a><span class="lineno"> 2336</span>  <span class="keywordflow">if</span>( verbose != 0 )</div>
<div class="line"><a name="l02337"></a><span class="lineno"> 2337</span>  <a class="code" href="test__suite__aes_8cbc_8c.html#afc6a7362c0f0c9cfa8fc76b3281e2b37">polarssl_printf</a>( <span class="stringliteral">"\n"</span> );</div>
<div class="line"><a name="l02338"></a><span class="lineno"> 2338</span> </div>
<div class="line"><a name="l02339"></a><span class="lineno"> 2339</span>  <span class="keywordflow">return</span>( ret );</div>
<div class="line"><a name="l02340"></a><span class="lineno"> 2340</span> }</div>
<div class="line"><a name="l02341"></a><span class="lineno"> 2341</span> </div>
<div class="line"><a name="l02342"></a><span class="lineno"> 2342</span> <span class="preprocessor">#endif </span><span class="comment">/* POLARSSL_SELF_TEST */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l02343"></a><span class="lineno"> 2343</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l02344"></a><span class="lineno"> 2344</span> <span class="preprocessor">#endif </span><span class="comment">/* POLARSSL_BIGNUM_C */</span><span class="preprocessor"></span></div>
<div class="ttc" id="bignum_8h_html_aee6dc030f0fa278c1576c457088b4910"><div class="ttname"><a href="bignum_8h.html#aee6dc030f0fa278c1576c457088b4910">mpi_cmp_int</a></div><div class="ttdeci">int mpi_cmp_int(const mpi *X, t_sint z)</div><div class="ttdoc">Compare signed values. </div></div>
<div class="ttc" id="bignum_8h_html_af2d758961ae9e4085d2a43588ecb782a"><div class="ttname"><a href="bignum_8h.html#af2d758961ae9e4085d2a43588ecb782a">POLARSSL_ERR_MPI_INVALID_CHARACTER</a></div><div class="ttdeci">#define POLARSSL_ERR_MPI_INVALID_CHARACTER</div><div class="ttdoc">There is an invalid character in the digit string. </div><div class="ttdef"><b>Definition:</b> <a href="bignum_8h_source.html#l00058">bignum.h:58</a></div></div>
<div class="ttc" id="bignum_8h_html_a5456193a9ebcfe612b93cfb509995a75"><div class="ttname"><a href="bignum_8h.html#a5456193a9ebcfe612b93cfb509995a75">mpi_swap</a></div><div class="ttdeci">void mpi_swap(mpi *X, mpi *Y)</div><div class="ttdoc">Swap the contents of X and Y. </div></div>
<div class="ttc" id="bignum_8h_html_adaa24d645b3940d17fb6ac1d6fd17408"><div class="ttname"><a href="bignum_8h.html#adaa24d645b3940d17fb6ac1d6fd17408">mpi_shrink</a></div><div class="ttdeci">int mpi_shrink(mpi *X, size_t nblimbs)</div><div class="ttdoc">Resize down, keeping at least the specified number of limbs. </div></div>
<div class="ttc" id="bignum_8h_html_a4022aef0c79b5a7121ee294cc139ae12"><div class="ttname"><a href="bignum_8h.html#a4022aef0c79b5a7121ee294cc139ae12">mpi_safe_cond_assign</a></div><div class="ttdeci">int mpi_safe_cond_assign(mpi *X, const mpi *Y, unsigned char assign)</div><div class="ttdoc">Safe conditional assignement X = Y if assign is 1. </div></div>
<div class="ttc" id="test__suite__aes_8cbc_8c_html_afc6a7362c0f0c9cfa8fc76b3281e2b37"><div class="ttname"><a href="test__suite__aes_8cbc_8c.html#afc6a7362c0f0c9cfa8fc76b3281e2b37">polarssl_printf</a></div><div class="ttdeci">#define polarssl_printf</div><div class="ttdef"><b>Definition:</b> <a href="test__suite__aes_8cbc_8c_source.html#l00309">test_suite_aes.cbc.c:309</a></div></div>
<div class="ttc" id="bn__mul_8h_html_aca47b090c97546b17261fdd712e910f9"><div class="ttname"><a href="bn__mul_8h.html#aca47b090c97546b17261fdd712e910f9">MULADDC_STOP</a></div><div class="ttdeci">#define MULADDC_STOP</div><div class="ttdef"><b>Definition:</b> <a href="bn__mul_8h_source.html#l00842">bn_mul.h:842</a></div></div>
<div class="ttc" id="bignum_8h_html_ad5d1464f801a0e7d2ed32a8f8dc2ccc9"><div class="ttname"><a href="bignum_8h.html#ad5d1464f801a0e7d2ed32a8f8dc2ccc9">t_uint</a></div><div class="ttdeci">uint32_t t_uint</div><div class="ttdef"><b>Definition:</b> <a href="bignum_8h_source.html#l00160">bignum.h:160</a></div></div>
<div class="ttc" id="bignum_8h_html_a5a81c7b8a4c2a6f6268ac0596a9e7f31"><div class="ttname"><a href="bignum_8h.html#a5a81c7b8a4c2a6f6268ac0596a9e7f31">mpi_div_int</a></div><div class="ttdeci">int mpi_div_int(mpi *Q, mpi *R, const mpi *A, t_sint b)</div><div class="ttdoc">Division by int: A = Q * b + R. </div></div>
<div class="ttc" id="bignum_8h_html_afbbffbd20b56d2b8f3db8edf76cdbdb4"><div class="ttname"><a href="bignum_8h.html#afbbffbd20b56d2b8f3db8edf76cdbdb4">POLARSSL_ERR_MPI_NEGATIVE_VALUE</a></div><div class="ttdeci">#define POLARSSL_ERR_MPI_NEGATIVE_VALUE</div><div class="ttdoc">The input arguments are negative or result in illegal output. </div><div class="ttdef"><b>Definition:</b> <a href="bignum_8h_source.html#l00060">bignum.h:60</a></div></div>
<div class="ttc" id="bignum_8h_html_ab1448e8d36dbf542b2230131da8298aa"><div class="ttname"><a href="bignum_8h.html#ab1448e8d36dbf542b2230131da8298aa">mpi_gcd</a></div><div class="ttdeci">int mpi_gcd(mpi *G, const mpi *A, const mpi *B)</div><div class="ttdoc">Greatest common divisor: G = gcd(A, B) </div></div>
<div class="ttc" id="test__suite__aes_8cbc_8c_html_a2a0cfb9e59f28e2a1a5fd1880fb20d4b"><div class="ttname"><a href="test__suite__aes_8cbc_8c.html#a2a0cfb9e59f28e2a1a5fd1880fb20d4b">polarssl_malloc</a></div><div class="ttdeci">#define polarssl_malloc</div><div class="ttdef"><b>Definition:</b> <a href="test__suite__aes_8cbc_8c_source.html#l00310">test_suite_aes.cbc.c:310</a></div></div>
<div class="ttc" id="structmpi_html_ad44e921903bdc7fcc1cadad14784a59a"><div class="ttname"><a href="structmpi.html#ad44e921903bdc7fcc1cadad14784a59a">mpi::s</a></div><div class="ttdeci">int s</div><div class="ttdef"><b>Definition:</b> <a href="bignum_8h_source.html#l00184">bignum.h:184</a></div></div>
<div class="ttc" id="bignum_8h_html_a5ac8858041a8d5b49c11d38fd4069975"><div class="ttname"><a href="bignum_8h.html#a5ac8858041a8d5b49c11d38fd4069975">mpi_fill_random</a></div><div class="ttdeci">int mpi_fill_random(mpi *X, size_t size, int(*f_rng)(void *, unsigned char *, size_t), void *p_rng)</div><div class="ttdoc">Fill an MPI X with size bytes of random. </div></div>
<div class="ttc" id="test__suite__aes_8cbc_8c_html_a3c8219c194813f302bf78fe73566cb2d"><div class="ttname"><a href="test__suite__aes_8cbc_8c.html#a3c8219c194813f302bf78fe73566cb2d">polarssl_free</a></div><div class="ttdeci">#define polarssl_free</div><div class="ttdef"><b>Definition:</b> <a href="test__suite__aes_8cbc_8c_source.html#l00311">test_suite_aes.cbc.c:311</a></div></div>
<div class="ttc" id="bignum_8h_html_a19d09ef62c09539feb7f9b3045cfb1fe"><div class="ttname"><a href="bignum_8h.html#a19d09ef62c09539feb7f9b3045cfb1fe">mpi_sub_abs</a></div><div class="ttdeci">int mpi_sub_abs(mpi *X, const mpi *A, const mpi *B)</div><div class="ttdoc">Unsigned subtraction: X = |A| - |B|. </div></div>
<div class="ttc" id="bignum_8h_html_a5eb26ce753f5110fd69713ea976fd63e"><div class="ttname"><a href="bignum_8h.html#a5eb26ce753f5110fd69713ea976fd63e">POLARSSL_MPI_WINDOW_SIZE</a></div><div class="ttdeci">#define POLARSSL_MPI_WINDOW_SIZE</div><div class="ttdoc">Maximum windows size used. </div><div class="ttdef"><b>Definition:</b> <a href="bignum_8h_source.html#l00082">bignum.h:82</a></div></div>
<div class="ttc" id="bignum_8h_html_a6a692b3d8cd05ae753ab5a39b5634c0a"><div class="ttname"><a href="bignum_8h.html#a6a692b3d8cd05ae753ab5a39b5634c0a">mpi_cmp_abs</a></div><div class="ttdeci">int mpi_cmp_abs(const mpi *X, const mpi *Y)</div><div class="ttdoc">Compare unsigned values. </div></div>
<div class="ttc" id="config_8h_html"><div class="ttname"><a href="config_8h.html">config.h</a></div><div class="ttdoc">Configuration options (set of defines) </div></div>
<div class="ttc" id="bn__mul_8h_html_a3b3b2d66bb9377769084b8f69e6a0d3c"><div class="ttname"><a href="bn__mul_8h.html#a3b3b2d66bb9377769084b8f69e6a0d3c">MULADDC_CORE</a></div><div class="ttdeci">#define MULADDC_CORE</div><div class="ttdef"><b>Definition:</b> <a href="bn__mul_8h_source.html#l00834">bn_mul.h:834</a></div></div>
<div class="ttc" id="bignum_8h_html_a3b88dbe31d038dfae7f27144984f9ae0"><div class="ttname"><a href="bignum_8h.html#a3b88dbe31d038dfae7f27144984f9ae0">mpi_add_int</a></div><div class="ttdeci">int mpi_add_int(mpi *X, const mpi *A, t_sint b)</div><div class="ttdoc">Signed addition: X = A + b. </div></div>
<div class="ttc" id="bignum_8h_html_aa3305289daa8dcc9e70fade0eaa1dc99"><div class="ttname"><a href="bignum_8h.html#aa3305289daa8dcc9e70fade0eaa1dc99">mpi_read_file</a></div><div class="ttdeci">int mpi_read_file(mpi *X, int radix, FILE *fin)</div><div class="ttdoc">Read X from an opened file. </div></div>
<div class="ttc" id="bignum_8h_html_a0804ce20a4a1cba3e3dcd3ac520b1ffb"><div class="ttname"><a href="bignum_8h.html#a0804ce20a4a1cba3e3dcd3ac520b1ffb">mpi_div_mpi</a></div><div class="ttdeci">int mpi_div_mpi(mpi *Q, mpi *R, const mpi *A, const mpi *B)</div><div class="ttdoc">Division by mpi: A = Q * B + R. </div></div>
<div class="ttc" id="bignum_8h_html_a007d6236aebb0ff4a3d92ce8f525a3ae"><div class="ttname"><a href="bignum_8h.html#a007d6236aebb0ff4a3d92ce8f525a3ae">mpi_lset</a></div><div class="ttdeci">int mpi_lset(mpi *X, t_sint z)</div><div class="ttdoc">Set value from integer. </div></div>
<div class="ttc" id="bignum_8h_html_adf23b7959312c2fcf222d7ce6ac32320"><div class="ttname"><a href="bignum_8h.html#adf23b7959312c2fcf222d7ce6ac32320">mpi_is_prime</a></div><div class="ttdeci">int mpi_is_prime(mpi *X, int(*f_rng)(void *, unsigned char *, size_t), void *p_rng)</div><div class="ttdoc">Miller-Rabin primality test. </div></div>
<div class="ttc" id="structmpi_html"><div class="ttname"><a href="structmpi.html">mpi</a></div><div class="ttdoc">MPI structure. </div><div class="ttdef"><b>Definition:</b> <a href="bignum_8h_source.html#l00182">bignum.h:182</a></div></div>
<div class="ttc" id="platform_8h_html"><div class="ttname"><a href="platform_8h.html">platform.h</a></div><div class="ttdoc">PolarSSL Platform abstraction layer. </div></div>
<div class="ttc" id="bignum_8h_html_aad5959617396031440786cd8ff24712a"><div class="ttname"><a href="bignum_8h.html#aad5959617396031440786cd8ff24712a">POLARSSL_ERR_MPI_BAD_INPUT_DATA</a></div><div class="ttdeci">#define POLARSSL_ERR_MPI_BAD_INPUT_DATA</div><div class="ttdoc">Bad input parameters to function. </div><div class="ttdef"><b>Definition:</b> <a href="bignum_8h_source.html#l00057">bignum.h:57</a></div></div>
<div class="ttc" id="bignum_8h_html_a6388b8b831a59ae43668857f43e1a907"><div class="ttname"><a href="bignum_8h.html#a6388b8b831a59ae43668857f43e1a907">mpi_write_file</a></div><div class="ttdeci">int mpi_write_file(const char *p, const mpi *X, int radix, FILE *fout)</div><div class="ttdoc">Write X into an opened file, or stdout if fout is NULL. </div></div>
<div class="ttc" id="bignum_8h_html_a201666869f65225d6535bcc697f95c9b"><div class="ttname"><a href="bignum_8h.html#a201666869f65225d6535bcc697f95c9b">mpi_init</a></div><div class="ttdeci">void mpi_init(mpi *X)</div><div class="ttdoc">Initialize one MPI. </div></div>
<div class="ttc" id="bn__mul_8h_html_a3c34f8aa787b08f646c7537e9b2911c6"><div class="ttname"><a href="bn__mul_8h.html#a3c34f8aa787b08f646c7537e9b2911c6">MULADDC_INIT</a></div><div class="ttdeci">#define MULADDC_INIT</div><div class="ttdef"><b>Definition:</b> <a href="bn__mul_8h_source.html#l00829">bn_mul.h:829</a></div></div>
<div class="ttc" id="bignum_8h_html_aec20dff9d78738e3c80b212df9875b83"><div class="ttname"><a href="bignum_8h.html#aec20dff9d78738e3c80b212df9875b83">mpi_cmp_mpi</a></div><div class="ttdeci">int mpi_cmp_mpi(const mpi *X, const mpi *Y)</div><div class="ttdoc">Compare signed values. </div></div>
<div class="ttc" id="bignum_8h_html_a15c9839c39da2a8dc13255a226d05d87"><div class="ttname"><a href="bignum_8h.html#a15c9839c39da2a8dc13255a226d05d87">t_udbl</a></div><div class="ttdeci">unsigned long long t_udbl</div><div class="ttdef"><b>Definition:</b> <a href="bignum_8h_source.html#l00166">bignum.h:166</a></div></div>
<div class="ttc" id="bignum_8h_html"><div class="ttname"><a href="bignum_8h.html">bignum.h</a></div><div class="ttdoc">Multi-precision integer library. </div></div>
<div class="ttc" id="bignum_8h_html_a01de1543da79d0ad0f58916d608f6ff8"><div class="ttname"><a href="bignum_8h.html#a01de1543da79d0ad0f58916d608f6ff8">mpi_shift_r</a></div><div class="ttdeci">int mpi_shift_r(mpi *X, size_t count)</div><div class="ttdoc">Right-shift: X &gt;&gt;= count. </div></div>
<div class="ttc" id="bignum_8h_html_adf5b20e8d8c0a660e4f59f859a0bee18"><div class="ttname"><a href="bignum_8h.html#adf5b20e8d8c0a660e4f59f859a0bee18">mpi_add_mpi</a></div><div class="ttdeci">int mpi_add_mpi(mpi *X, const mpi *A, const mpi *B)</div><div class="ttdoc">Signed addition: X = A + B. </div></div>
<div class="ttc" id="config-suite-b_8h_html_aae43600df723c0b882201f556c028b1f"><div class="ttname"><a href="config-suite-b_8h.html#aae43600df723c0b882201f556c028b1f">POLARSSL_MPI_MAX_SIZE</a></div><div class="ttdeci">#define POLARSSL_MPI_MAX_SIZE</div><div class="ttdef"><b>Definition:</b> <a href="config-suite-b_8h_source.html#l00064">config-suite-b.h:64</a></div></div>
<div class="ttc" id="struct__asn1__named__data_html_af1175e54f92e9aaa85fb7a6a27a5511e"><div class="ttname"><a href="struct__asn1__named__data.html#af1175e54f92e9aaa85fb7a6a27a5511e">_asn1_named_data::val</a></div><div class="ttdeci">asn1_buf val</div><div class="ttdoc">The named value. </div><div class="ttdef"><b>Definition:</b> <a href="asn1_8h_source.html#l00159">asn1.h:159</a></div></div>
<div class="ttc" id="bignum_8h_html_a96380f09df1ad46baba97af000b05466"><div class="ttname"><a href="bignum_8h.html#a96380f09df1ad46baba97af000b05466">POLARSSL_ERR_MPI_DIVISION_BY_ZERO</a></div><div class="ttdeci">#define POLARSSL_ERR_MPI_DIVISION_BY_ZERO</div><div class="ttdoc">The input argument for division is zero, which is not allowed. </div><div class="ttdef"><b>Definition:</b> <a href="bignum_8h_source.html#l00061">bignum.h:61</a></div></div>
<div class="ttc" id="bignum_8h_html_aac4c8bb7bf5d700277d27b03aed0df7a"><div class="ttname"><a href="bignum_8h.html#aac4c8bb7bf5d700277d27b03aed0df7a">mpi_write_string</a></div><div class="ttdeci">int mpi_write_string(const mpi *X, int radix, char *s, size_t *slen)</div><div class="ttdoc">Export into an ASCII string. </div></div>
<div class="ttc" id="bignum_8h_html_abbc933ccc2d1d02925e6886d9b4f5873"><div class="ttname"><a href="bignum_8h.html#abbc933ccc2d1d02925e6886d9b4f5873">t_sint</a></div><div class="ttdeci">int32_t t_sint</div><div class="ttdef"><b>Definition:</b> <a href="bignum_8h_source.html#l00159">bignum.h:159</a></div></div>
<div class="ttc" id="bignum_8h_html_a6d6079272ffa625501f58127172a4f53"><div class="ttname"><a href="bignum_8h.html#a6d6079272ffa625501f58127172a4f53">mpi_lsb</a></div><div class="ttdeci">size_t mpi_lsb(const mpi *X)</div><div class="ttdoc">Return the number of zero-bits before the least significant &#39;1&#39; bit. </div></div>
<div class="ttc" id="bignum_8h_html_ab0139fd8e0536a4bd1da18c9ea5bcb84"><div class="ttname"><a href="bignum_8h.html#ab0139fd8e0536a4bd1da18c9ea5bcb84">POLARSSL_ERR_MPI_BUFFER_TOO_SMALL</a></div><div class="ttdeci">#define POLARSSL_ERR_MPI_BUFFER_TOO_SMALL</div><div class="ttdoc">The buffer is too small to write to. </div><div class="ttdef"><b>Definition:</b> <a href="bignum_8h_source.html#l00059">bignum.h:59</a></div></div>
<div class="ttc" id="bignum_8h_html_a090616da16b87653c025874e1675da79"><div class="ttname"><a href="bignum_8h.html#a090616da16b87653c025874e1675da79">mpi_inv_mod</a></div><div class="ttdeci">int mpi_inv_mod(mpi *X, const mpi *A, const mpi *N)</div><div class="ttdoc">Modular inverse: X = A^-1 mod N. </div></div>
<div class="ttc" id="bn__mul_8h_html"><div class="ttname"><a href="bn__mul_8h.html">bn_mul.h</a></div><div class="ttdoc">Multi-precision integer library. </div></div>
<div class="ttc" id="bignum_8h_html_ae1f6507671587755e46bbf0afcae6a8c"><div class="ttname"><a href="bignum_8h.html#ae1f6507671587755e46bbf0afcae6a8c">mpi_free</a></div><div class="ttdeci">void mpi_free(mpi *X)</div><div class="ttdoc">Unallocate one MPI. </div></div>
<div class="ttc" id="bignum_8h_html_a79ee36f6e38e4de6d24047bd685747b4"><div class="ttname"><a href="bignum_8h.html#a79ee36f6e38e4de6d24047bd685747b4">mpi_mul_int</a></div><div class="ttdeci">int mpi_mul_int(mpi *X, const mpi *A, t_sint b)</div><div class="ttdoc">Baseline multiplication: X = A * b Note: despite the functon signature, b is treated as a t_uint...</div></div>
<div class="ttc" id="bignum_8h_html_ac585f00fc9be270de074e8fbfb508d6a"><div class="ttname"><a href="bignum_8h.html#ac585f00fc9be270de074e8fbfb508d6a">mpi_grow</a></div><div class="ttdeci">int mpi_grow(mpi *X, size_t nblimbs)</div><div class="ttdoc">Enlarge to the specified number of limbs. </div></div>
<div class="ttc" id="bignum_8h_html_a8cf9128e5d55fd1e95696fe8cb405b92"><div class="ttname"><a href="bignum_8h.html#a8cf9128e5d55fd1e95696fe8cb405b92">mpi_mod_int</a></div><div class="ttdeci">int mpi_mod_int(t_uint *r, const mpi *A, t_sint b)</div><div class="ttdoc">Modulo: r = A mod b. </div></div>
<div class="ttc" id="bignum_8h_html_a84befed1943a584332e0599605b0d3fe"><div class="ttname"><a href="bignum_8h.html#a84befed1943a584332e0599605b0d3fe">mpi_exp_mod</a></div><div class="ttdeci">int mpi_exp_mod(mpi *X, const mpi *A, const mpi *E, const mpi *N, mpi *_RR)</div><div class="ttdoc">Sliding-window exponentiation: X = A^E mod N. </div></div>
<div class="ttc" id="bignum_8h_html_a39480daedc47c4eae7574a6d028f352c"><div class="ttname"><a href="bignum_8h.html#a39480daedc47c4eae7574a6d028f352c">mpi_gen_prime</a></div><div class="ttdeci">int mpi_gen_prime(mpi *X, size_t nbits, int dh_flag, int(*f_rng)(void *, unsigned char *, size_t), void *p_rng)</div><div class="ttdoc">Prime number generation. </div></div>
<div class="ttc" id="bignum_8h_html_a4d461a7bff5a31df34bbf93ec00ab886"><div class="ttname"><a href="bignum_8h.html#a4d461a7bff5a31df34bbf93ec00ab886">mpi_msb</a></div><div class="ttdeci">size_t mpi_msb(const mpi *X)</div><div class="ttdoc">Return the number of bits up to and including the most significant &#39;1&#39; bit&#39;. </div></div>
<div class="ttc" id="bignum_8h_html_aca6ca30059eab25954ebb962a8b69c52"><div class="ttname"><a href="bignum_8h.html#aca6ca30059eab25954ebb962a8b69c52">POLARSSL_MPI_MAX_BITS</a></div><div class="ttdeci">#define POLARSSL_MPI_MAX_BITS</div><div class="ttdoc">Maximum number of bits for usable MPIs. </div><div class="ttdef"><b>Definition:</b> <a href="bignum_8h_source.html#l00096">bignum.h:96</a></div></div>
<div class="ttc" id="bignum_8h_html_a5d1cf13ed3c825b61e0b04085ec30f40"><div class="ttname"><a href="bignum_8h.html#a5d1cf13ed3c825b61e0b04085ec30f40">mpi_add_abs</a></div><div class="ttdeci">int mpi_add_abs(mpi *X, const mpi *A, const mpi *B)</div><div class="ttdoc">Unsigned addition: X = |A| + |B|. </div></div>
<div class="ttc" id="bignum_8h_html_a752d12c301f4e5df56f17e9bc8d78d74"><div class="ttname"><a href="bignum_8h.html#a752d12c301f4e5df56f17e9bc8d78d74">mpi_read_string</a></div><div class="ttdeci">int mpi_read_string(mpi *X, int radix, const char *s)</div><div class="ttdoc">Import from an ASCII string. </div></div>
<div class="ttc" id="structmpi_html_aaeeabe339c1cc40d05bdb026666404f8"><div class="ttname"><a href="structmpi.html#aaeeabe339c1cc40d05bdb026666404f8">mpi::p</a></div><div class="ttdeci">t_uint * p</div><div class="ttdef"><b>Definition:</b> <a href="bignum_8h_source.html#l00186">bignum.h:186</a></div></div>
<div class="ttc" id="bignum_8h_html_a0235008cccbf00b8bc03699de8094819"><div class="ttname"><a href="bignum_8h.html#a0235008cccbf00b8bc03699de8094819">mpi_read_binary</a></div><div class="ttdeci">int mpi_read_binary(mpi *X, const unsigned char *buf, size_t buflen)</div><div class="ttdoc">Import X from unsigned binary data, big endian. </div></div>
<div class="ttc" id="bignum_8h_html_ab21c92239348bc2c84513968a3e391b2"><div class="ttname"><a href="bignum_8h.html#ab21c92239348bc2c84513968a3e391b2">mpi_self_test</a></div><div class="ttdeci">int mpi_self_test(int verbose)</div><div class="ttdoc">Checkup routine. </div></div>
<div class="ttc" id="bignum_8h_html_ad288a13737d14f102748c3184ed5a494"><div class="ttname"><a href="bignum_8h.html#ad288a13737d14f102748c3184ed5a494">POLARSSL_ERR_MPI_MALLOC_FAILED</a></div><div class="ttdeci">#define POLARSSL_ERR_MPI_MALLOC_FAILED</div><div class="ttdoc">Memory allocation failed. </div><div class="ttdef"><b>Definition:</b> <a href="bignum_8h_source.html#l00063">bignum.h:63</a></div></div>
<div class="ttc" id="bignum_8h_html_a8aa3a3d3aac9e49879ea8cd308859d23"><div class="ttname"><a href="bignum_8h.html#a8aa3a3d3aac9e49879ea8cd308859d23">mpi_size</a></div><div class="ttdeci">size_t mpi_size(const mpi *X)</div><div class="ttdoc">Return the total size in bytes. </div></div>
<div class="ttc" id="bignum_8h_html_a6fbcce39a9d92d9e2a560f8aa6a810f4"><div class="ttname"><a href="bignum_8h.html#a6fbcce39a9d92d9e2a560f8aa6a810f4">mpi_copy</a></div><div class="ttdeci">int mpi_copy(mpi *X, const mpi *Y)</div><div class="ttdoc">Copy the contents of Y into X. </div></div>
<div class="ttc" id="structmpi_html_acc8d6d92112b326fcac7c6eff002feb1"><div class="ttname"><a href="structmpi.html#acc8d6d92112b326fcac7c6eff002feb1">mpi::n</a></div><div class="ttdeci">size_t n</div><div class="ttdef"><b>Definition:</b> <a href="bignum_8h_source.html#l00185">bignum.h:185</a></div></div>
<div class="ttc" id="bignum_8h_html_a075d3cf21cb3733e5f0a872e72b0cd15"><div class="ttname"><a href="bignum_8h.html#a075d3cf21cb3733e5f0a872e72b0cd15">mpi_mod_mpi</a></div><div class="ttdeci">int mpi_mod_mpi(mpi *R, const mpi *A, const mpi *B)</div><div class="ttdoc">Modulo: R = A mod B. </div></div>
<div class="ttc" id="bignum_8h_html_a920345ada5c75a913b32a00fed3bd36c"><div class="ttname"><a href="bignum_8h.html#a920345ada5c75a913b32a00fed3bd36c">mpi_get_bit</a></div><div class="ttdeci">int mpi_get_bit(const mpi *X, size_t pos)</div><div class="ttdoc">Get a specific bit from X. </div></div>
<div class="ttc" id="bignum_8h_html_a5d464b4312859ce4969d114eb5e02741"><div class="ttname"><a href="bignum_8h.html#a5d464b4312859ce4969d114eb5e02741">mpi_write_binary</a></div><div class="ttdeci">int mpi_write_binary(const mpi *X, unsigned char *buf, size_t buflen)</div><div class="ttdoc">Export X into unsigned binary data, big endian. </div></div>
<div class="ttc" id="bignum_8h_html_a4f10c6e250b7a06f2fc01ce48a823fc8"><div class="ttname"><a href="bignum_8h.html#a4f10c6e250b7a06f2fc01ce48a823fc8">POLARSSL_ERR_MPI_FILE_IO_ERROR</a></div><div class="ttdeci">#define POLARSSL_ERR_MPI_FILE_IO_ERROR</div><div class="ttdoc">An error occurred while reading from or writing to a file. </div><div class="ttdef"><b>Definition:</b> <a href="bignum_8h_source.html#l00056">bignum.h:56</a></div></div>
<div class="ttc" id="bignum_8h_html_a17537330dbe685ca867e52479a8ef7c3"><div class="ttname"><a href="bignum_8h.html#a17537330dbe685ca867e52479a8ef7c3">mpi_shift_l</a></div><div class="ttdeci">int mpi_shift_l(mpi *X, size_t count)</div><div class="ttdoc">Left-shift: X &lt;&lt;= count. </div></div>
<div class="ttc" id="bignum_8h_html_a9128b59005aad61e8d07bedd0c2973b7"><div class="ttname"><a href="bignum_8h.html#a9128b59005aad61e8d07bedd0c2973b7">mpi_safe_cond_swap</a></div><div class="ttdeci">int mpi_safe_cond_swap(mpi *X, mpi *Y, unsigned char assign)</div><div class="ttdoc">Safe conditional swap X &lt;-&gt; Y if swap is 1. </div></div>
<div class="ttc" id="bignum_8h_html_a728c03b4fdb0f4e9e84a5488adf1c5d0"><div class="ttname"><a href="bignum_8h.html#a728c03b4fdb0f4e9e84a5488adf1c5d0">POLARSSL_MPI_RW_BUFFER_SIZE</a></div><div class="ttdeci">#define POLARSSL_MPI_RW_BUFFER_SIZE</div><div class="ttdef"><b>Definition:</b> <a href="bignum_8h_source.html#l00118">bignum.h:118</a></div></div>
<div class="ttc" id="bignum_8h_html_ab63bfb07b27db84268491cd7d68bddc0"><div class="ttname"><a href="bignum_8h.html#ab63bfb07b27db84268491cd7d68bddc0">mpi_mul_mpi</a></div><div class="ttdeci">int mpi_mul_mpi(mpi *X, const mpi *A, const mpi *B)</div><div class="ttdoc">Baseline multiplication: X = A * B. </div></div>
<div class="ttc" id="bignum_8h_html_a149a13ed93fddb432fb5edd3126b1186"><div class="ttname"><a href="bignum_8h.html#a149a13ed93fddb432fb5edd3126b1186">mpi_sub_mpi</a></div><div class="ttdeci">int mpi_sub_mpi(mpi *X, const mpi *A, const mpi *B)</div><div class="ttdoc">Signed subtraction: X = A - B. </div></div>
<div class="ttc" id="bignum_8h_html_ac70dd057e989b021c4a535470d6afec9"><div class="ttname"><a href="bignum_8h.html#ac70dd057e989b021c4a535470d6afec9">mpi_set_bit</a></div><div class="ttdeci">int mpi_set_bit(mpi *X, size_t pos, unsigned char val)</div><div class="ttdoc">Set a bit of X to a specific value of 0 or 1. </div></div>
<div class="ttc" id="bignum_8h_html_a8ee0afd7c8a22f13aaa70d3c812e81f7"><div class="ttname"><a href="bignum_8h.html#a8ee0afd7c8a22f13aaa70d3c812e81f7">POLARSSL_MPI_MAX_LIMBS</a></div><div class="ttdeci">#define POLARSSL_MPI_MAX_LIMBS</div><div class="ttdef"><b>Definition:</b> <a href="bignum_8h_source.html#l00070">bignum.h:70</a></div></div>
<div class="ttc" id="bignum_8h_html_acfdf0f6effb7f976a2f90844c492e160"><div class="ttname"><a href="bignum_8h.html#acfdf0f6effb7f976a2f90844c492e160">mpi_sub_int</a></div><div class="ttdeci">int mpi_sub_int(mpi *X, const mpi *A, t_sint b)</div><div class="ttdoc">Signed subtraction: X = A - b. </div></div>
<div class="ttc" id="bignum_8h_html_ac42cb2c2b13df48182ee833de2e4adbf"><div class="ttname"><a href="bignum_8h.html#ac42cb2c2b13df48182ee833de2e4adbf">POLARSSL_ERR_MPI_NOT_ACCEPTABLE</a></div><div class="ttdeci">#define POLARSSL_ERR_MPI_NOT_ACCEPTABLE</div><div class="ttdoc">The input arguments are not acceptable. </div><div class="ttdef"><b>Definition:</b> <a href="bignum_8h_source.html#l00062">bignum.h:62</a></div></div>
<div class="ttc" id="bignum_8h_html_a024b186dd3608bcbcfc9dd36212a18ec"><div class="ttname"><a href="bignum_8h.html#a024b186dd3608bcbcfc9dd36212a18ec">MPI_CHK</a></div><div class="ttdeci">#define MPI_CHK(f)</div><div class="ttdef"><b>Definition:</b> <a href="bignum_8h_source.html#l00065">bignum.h:65</a></div></div>
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