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<a href="rsa_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"> * The RSA public-key cryptosystem</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"> * RSA was designed by Ron Rivest, Adi Shamir and Len Adleman.</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://theory.lcs.mit.edu/~rivest/rsapaper.pdf</span></div>
<div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="comment"> * http://www.cacr.math.uwaterloo.ca/hac/about/chap8.pdf</span></div>
<div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00031"></a><span class="lineno"> 31</span> </div>
<div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="preprocessor">#if !defined(POLARSSL_CONFIG_FILE)</span></div>
<div class="line"><a name="l00033"></a><span class="lineno"> 33</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="l00034"></a><span class="lineno"> 34</span> <span class="preprocessor">#else</span></div>
<div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="preprocessor"></span><span class="preprocessor">#include POLARSSL_CONFIG_FILE</span></div>
<div class="line"><a name="l00036"></a><span class="lineno"> 36</span> <span class="preprocessor"></span><span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00037"></a><span class="lineno"> 37</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00038"></a><span class="lineno"> 38</span> <span class="preprocessor">#if defined(POLARSSL_RSA_C)</span></div>
<div class="line"><a name="l00039"></a><span class="lineno"> 39</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00040"></a><span class="lineno"> 40</span> <span class="preprocessor">#include "<a class="code" href="rsa_8h.html">polarssl/rsa.h</a>"</span></div>
<div class="line"><a name="l00041"></a><span class="lineno"> 41</span> <span class="preprocessor">#include "<a class="code" href="oid_8h.html">polarssl/oid.h</a>"</span></div>
<div class="line"><a name="l00042"></a><span class="lineno"> 42</span> </div>
<div class="line"><a name="l00043"></a><span class="lineno"> 43</span> <span class="preprocessor">#if defined(POLARSSL_PKCS1_V21)</span></div>
<div class="line"><a name="l00044"></a><span class="lineno"> 44</span> <span class="preprocessor"></span><span class="preprocessor">#include "<a class="code" href="md_8h.html">polarssl/md.h</a>"</span></div>
<div class="line"><a name="l00045"></a><span class="lineno"> 45</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00046"></a><span class="lineno"> 46</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00047"></a><span class="lineno"> 47</span> <span class="preprocessor">#include <stdlib.h></span></div>
<div class="line"><a name="l00048"></a><span class="lineno"> 48</span> <span class="preprocessor">#include <stdio.h></span></div>
<div class="line"><a name="l00049"></a><span class="lineno"> 49</span> </div>
<div class="line"><a name="l00050"></a><span class="lineno"> 50</span> <span class="preprocessor">#if defined(POLARSSL_PLATFORM_C)</span></div>
<div class="line"><a name="l00051"></a><span class="lineno"> 51</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="l00052"></a><span class="lineno"> 52</span> <span class="preprocessor">#else</span></div>
<div class="line"><a name="l00053"></a><span class="lineno"> 53</span> <span class="preprocessor"></span><span class="preprocessor">#define polarssl_printf printf</span></div>
<div class="line"><a name="l00054"></a><span class="lineno"> 54</span> <span class="preprocessor"></span><span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00055"></a><span class="lineno"> 55</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00056"></a><span class="lineno"> 56</span> <span class="comment">/*</span></div>
<div class="line"><a name="l00057"></a><span class="lineno"> 57</span> <span class="comment"> * Initialize an RSA context</span></div>
<div class="line"><a name="l00058"></a><span class="lineno"> 58</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00059"></a><span class="lineno"> 59</span> <span class="keywordtype">void</span> <a class="code" href="rsa_8h.html#a79875c9f9d5831aecf5ea095905a5b64">rsa_init</a>( <a class="code" href="structrsa__context.html">rsa_context</a> *ctx,</div>
<div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  <span class="keywordtype">int</span> padding,</div>
<div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  <span class="keywordtype">int</span> hash_id )</div>
<div class="line"><a name="l00062"></a><span class="lineno"> 62</span> {</div>
<div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  memset( ctx, 0, <span class="keyword">sizeof</span>( <a class="code" href="structrsa__context.html">rsa_context</a> ) );</div>
<div class="line"><a name="l00064"></a><span class="lineno"> 64</span> </div>
<div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  <a class="code" href="rsa_8h.html#a4938556c8f689303c9a24f0d6281098c">rsa_set_padding</a>( ctx, padding, hash_id );</div>
<div class="line"><a name="l00066"></a><span class="lineno"> 66</span> </div>
<div class="line"><a name="l00067"></a><span class="lineno"> 67</span> <span class="preprocessor">#if defined(POLARSSL_THREADING_C)</span></div>
<div class="line"><a name="l00068"></a><span class="lineno"> 68</span> <span class="preprocessor"></span> <a class="code" href="threading_8h.html#aa6c63dc2e1bfeab14346ded406410603">polarssl_mutex_init</a>( &ctx->mutex );</div>
<div class="line"><a name="l00069"></a><span class="lineno"> 69</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00070"></a><span class="lineno"> 70</span> <span class="preprocessor"></span>}</div>
<div class="line"><a name="l00071"></a><span class="lineno"> 71</span> </div>
<div class="line"><a name="l00072"></a><span class="lineno"> 72</span> <span class="comment">/*</span></div>
<div class="line"><a name="l00073"></a><span class="lineno"> 73</span> <span class="comment"> * Set padding for an existing RSA context</span></div>
<div class="line"><a name="l00074"></a><span class="lineno"> 74</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00075"></a><span class="lineno"> 75</span> <span class="keywordtype">void</span> <a class="code" href="rsa_8h.html#a4938556c8f689303c9a24f0d6281098c">rsa_set_padding</a>( <a class="code" href="structrsa__context.html">rsa_context</a> *ctx, <span class="keywordtype">int</span> padding, <span class="keywordtype">int</span> hash_id )</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>  ctx-><a class="code" href="structrsa__context.html#ac2599f716413534b2925670d5523c6bf">padding</a> = padding;</div>
<div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  ctx-><a class="code" href="structrsa__context.html#a735bfa601f5fe16e563da0cab79fdb7b">hash_id</a> = hash_id;</div>
<div class="line"><a name="l00079"></a><span class="lineno"> 79</span> }</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> <span class="preprocessor">#if defined(POLARSSL_GENPRIME)</span></div>
<div class="line"><a name="l00082"></a><span class="lineno"> 82</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00083"></a><span class="lineno"> 83</span> <span class="comment">/*</span></div>
<div class="line"><a name="l00084"></a><span class="lineno"> 84</span> <span class="comment"> * Generate an RSA keypair</span></div>
<div class="line"><a name="l00085"></a><span class="lineno"> 85</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00086"></a><span class="lineno"> 86</span> <span class="keywordtype">int</span> <a class="code" href="rsa_8h.html#acff8aaec6c8fff40f733641e570cb9af">rsa_gen_key</a>( <a class="code" href="structrsa__context.html">rsa_context</a> *ctx,</div>
<div class="line"><a name="l00087"></a><span class="lineno"> 87</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="l00088"></a><span class="lineno"> 88</span>  <span class="keywordtype">void</span> *p_rng,</div>
<div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> nbits, <span class="keywordtype">int</span> exponent )</div>
<div class="line"><a name="l00090"></a><span class="lineno"> 90</span> {</div>
<div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  <span class="keywordtype">int</span> ret;</div>
<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  <a class="code" href="structmpi.html">mpi</a> P1, Q1, H, G;</div>
<div class="line"><a name="l00093"></a><span class="lineno"> 93</span> </div>
<div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  <span class="keywordflow">if</span>( f_rng == NULL || nbits < 128 || exponent < 3 )</div>
<div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  <span class="keywordflow">return</span>( <a class="code" href="rsa_8h.html#aa30403951a6242045d0b47e2b51eccb0">POLARSSL_ERR_RSA_BAD_INPUT_DATA</a> );</div>
<div class="line"><a name="l00096"></a><span class="lineno"> 96</span> </div>
<div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  <a class="code" href="bignum_8h.html#a201666869f65225d6535bcc697f95c9b">mpi_init</a>( &P1 ); <a class="code" href="bignum_8h.html#a201666869f65225d6535bcc697f95c9b">mpi_init</a>( &Q1 ); <a class="code" href="bignum_8h.html#a201666869f65225d6535bcc697f95c9b">mpi_init</a>( &H ); <a class="code" href="bignum_8h.html#a201666869f65225d6535bcc697f95c9b">mpi_init</a>( &G );</div>
<div class="line"><a name="l00098"></a><span class="lineno"> 98</span> </div>
<div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  <span class="comment">/*</span></div>
<div class="line"><a name="l00100"></a><span class="lineno"> 100</span> <span class="comment"> * find primes P and Q with Q < P so that:</span></div>
<div class="line"><a name="l00101"></a><span class="lineno"> 101</span> <span class="comment"> * GCD( E, (P-1)*(Q-1) ) == 1</span></div>
<div class="line"><a name="l00102"></a><span class="lineno"> 102</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  <a class="code" href="bignum_8h.html#a024b186dd3608bcbcfc9dd36212a18ec">MPI_CHK</a>( <a class="code" href="bignum_8h.html#a007d6236aebb0ff4a3d92ce8f525a3ae">mpi_lset</a>( &ctx-><a class="code" href="structrsa__context.html#aa28db934350d34ac8537abb7ec8d519d">E</a>, exponent ) );</div>
<div class="line"><a name="l00104"></a><span class="lineno"> 104</span> </div>
<div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  <span class="keywordflow">do</span></div>
<div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  {</div>
<div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  <a class="code" href="bignum_8h.html#a024b186dd3608bcbcfc9dd36212a18ec">MPI_CHK</a>( <a class="code" href="bignum_8h.html#a39480daedc47c4eae7574a6d028f352c">mpi_gen_prime</a>( &ctx-><a class="code" href="structrsa__context.html#a352c64edb7488633ddbca88d1a9966c9">P</a>, ( nbits + 1 ) >> 1, 0,</div>
<div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  f_rng, p_rng ) );</div>
<div class="line"><a name="l00109"></a><span class="lineno"> 109</span> </div>
<div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  <a class="code" href="bignum_8h.html#a024b186dd3608bcbcfc9dd36212a18ec">MPI_CHK</a>( <a class="code" href="bignum_8h.html#a39480daedc47c4eae7574a6d028f352c">mpi_gen_prime</a>( &ctx-><a class="code" href="structrsa__context.html#a94bb2c66e84581a0d854f1fc7f6672d8">Q</a>, ( nbits + 1 ) >> 1, 0,</div>
<div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  f_rng, p_rng ) );</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>( <a class="code" href="bignum_8h.html#aec20dff9d78738e3c80b212df9875b83">mpi_cmp_mpi</a>( &ctx-><a class="code" href="structrsa__context.html#a352c64edb7488633ddbca88d1a9966c9">P</a>, &ctx-><a class="code" href="structrsa__context.html#a94bb2c66e84581a0d854f1fc7f6672d8">Q</a> ) < 0 )</div>
<div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  <a class="code" href="bignum_8h.html#a5456193a9ebcfe612b93cfb509995a75">mpi_swap</a>( &ctx-><a class="code" href="structrsa__context.html#a352c64edb7488633ddbca88d1a9966c9">P</a>, &ctx-><a class="code" href="structrsa__context.html#a94bb2c66e84581a0d854f1fc7f6672d8">Q</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>  <span class="keywordflow">if</span>( <a class="code" href="bignum_8h.html#aec20dff9d78738e3c80b212df9875b83">mpi_cmp_mpi</a>( &ctx-><a class="code" href="structrsa__context.html#a352c64edb7488633ddbca88d1a9966c9">P</a>, &ctx-><a class="code" href="structrsa__context.html#a94bb2c66e84581a0d854f1fc7f6672d8">Q</a> ) == 0 )</div>
<div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  <span class="keywordflow">continue</span>;</div>
<div class="line"><a name="l00118"></a><span class="lineno"> 118</span> </div>
<div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  <a class="code" href="bignum_8h.html#a024b186dd3608bcbcfc9dd36212a18ec">MPI_CHK</a>( <a class="code" href="bignum_8h.html#ab63bfb07b27db84268491cd7d68bddc0">mpi_mul_mpi</a>( &ctx-><a class="code" href="structrsa__context.html#a2f44f168531d8470e7831fd49aea9ae0">N</a>, &ctx-><a class="code" href="structrsa__context.html#a352c64edb7488633ddbca88d1a9966c9">P</a>, &ctx-><a class="code" href="structrsa__context.html#a94bb2c66e84581a0d854f1fc7f6672d8">Q</a> ) );</div>
<div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  <span class="keywordflow">if</span>( <a class="code" href="bignum_8h.html#a4d461a7bff5a31df34bbf93ec00ab886">mpi_msb</a>( &ctx-><a class="code" href="structrsa__context.html#a2f44f168531d8470e7831fd49aea9ae0">N</a> ) != nbits )</div>
<div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  <span class="keywordflow">continue</span>;</div>
<div class="line"><a name="l00122"></a><span class="lineno"> 122</span> </div>
<div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  <a class="code" href="bignum_8h.html#a024b186dd3608bcbcfc9dd36212a18ec">MPI_CHK</a>( <a class="code" href="bignum_8h.html#acfdf0f6effb7f976a2f90844c492e160">mpi_sub_int</a>( &P1, &ctx-><a class="code" href="structrsa__context.html#a352c64edb7488633ddbca88d1a9966c9">P</a>, 1 ) );</div>
<div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  <a class="code" href="bignum_8h.html#a024b186dd3608bcbcfc9dd36212a18ec">MPI_CHK</a>( <a class="code" href="bignum_8h.html#acfdf0f6effb7f976a2f90844c492e160">mpi_sub_int</a>( &Q1, &ctx-><a class="code" href="structrsa__context.html#a94bb2c66e84581a0d854f1fc7f6672d8">Q</a>, 1 ) );</div>
<div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  <a class="code" href="bignum_8h.html#a024b186dd3608bcbcfc9dd36212a18ec">MPI_CHK</a>( <a class="code" href="bignum_8h.html#ab63bfb07b27db84268491cd7d68bddc0">mpi_mul_mpi</a>( &H, &P1, &Q1 ) );</div>
<div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  <a class="code" href="bignum_8h.html#a024b186dd3608bcbcfc9dd36212a18ec">MPI_CHK</a>( <a class="code" href="bignum_8h.html#ab1448e8d36dbf542b2230131da8298aa">mpi_gcd</a>( &G, &ctx-><a class="code" href="structrsa__context.html#aa28db934350d34ac8537abb7ec8d519d">E</a>, &H ) );</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>  <span class="keywordflow">while</span>( <a class="code" href="bignum_8h.html#aee6dc030f0fa278c1576c457088b4910">mpi_cmp_int</a>( &G, 1 ) != 0 );</div>
<div class="line"><a name="l00129"></a><span class="lineno"> 129</span> </div>
<div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  <span class="comment">/*</span></div>
<div class="line"><a name="l00131"></a><span class="lineno"> 131</span> <span class="comment"> * D = E^-1 mod ((P-1)*(Q-1))</span></div>
<div class="line"><a name="l00132"></a><span class="lineno"> 132</span> <span class="comment"> * DP = D mod (P - 1)</span></div>
<div class="line"><a name="l00133"></a><span class="lineno"> 133</span> <span class="comment"> * DQ = D mod (Q - 1)</span></div>
<div class="line"><a name="l00134"></a><span class="lineno"> 134</span> <span class="comment"> * QP = Q^-1 mod P</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>  <a class="code" href="bignum_8h.html#a024b186dd3608bcbcfc9dd36212a18ec">MPI_CHK</a>( <a class="code" href="bignum_8h.html#a090616da16b87653c025874e1675da79">mpi_inv_mod</a>( &ctx-><a class="code" href="structrsa__context.html#af3078ae226d6b5aa335af77a6d46317e">D</a> , &ctx-><a class="code" href="structrsa__context.html#aa28db934350d34ac8537abb7ec8d519d">E</a>, &H ) );</div>
<div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  <a class="code" href="bignum_8h.html#a024b186dd3608bcbcfc9dd36212a18ec">MPI_CHK</a>( <a class="code" href="bignum_8h.html#a075d3cf21cb3733e5f0a872e72b0cd15">mpi_mod_mpi</a>( &ctx-><a class="code" href="structrsa__context.html#ad3a4b21e847d540a9bf1b680f0c05880">DP</a>, &ctx-><a class="code" href="structrsa__context.html#af3078ae226d6b5aa335af77a6d46317e">D</a>, &P1 ) );</div>
<div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  <a class="code" href="bignum_8h.html#a024b186dd3608bcbcfc9dd36212a18ec">MPI_CHK</a>( <a class="code" href="bignum_8h.html#a075d3cf21cb3733e5f0a872e72b0cd15">mpi_mod_mpi</a>( &ctx-><a class="code" href="structrsa__context.html#a42fb604a95bea6fc9640715babb8d415">DQ</a>, &ctx-><a class="code" href="structrsa__context.html#af3078ae226d6b5aa335af77a6d46317e">D</a>, &Q1 ) );</div>
<div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  <a class="code" href="bignum_8h.html#a024b186dd3608bcbcfc9dd36212a18ec">MPI_CHK</a>( <a class="code" href="bignum_8h.html#a090616da16b87653c025874e1675da79">mpi_inv_mod</a>( &ctx-><a class="code" href="structrsa__context.html#a364bfb0ef6d240c39053f603ee1cbeca">QP</a>, &ctx-><a class="code" href="structrsa__context.html#a94bb2c66e84581a0d854f1fc7f6672d8">Q</a>, &ctx-><a class="code" href="structrsa__context.html#a352c64edb7488633ddbca88d1a9966c9">P</a> ) );</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>  ctx-><a class="code" href="structrsa__context.html#a8b9aaee69b8d73b0567a2bca7c78b173">len</a> = ( <a class="code" href="bignum_8h.html#a4d461a7bff5a31df34bbf93ec00ab886">mpi_msb</a>( &ctx-><a class="code" href="structrsa__context.html#a2f44f168531d8470e7831fd49aea9ae0">N</a> ) + 7 ) >> 3;</div>
<div class="line"><a name="l00142"></a><span class="lineno"> 142</span> </div>
<div class="line"><a name="l00143"></a><span class="lineno"> 143</span> cleanup:</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>  <a class="code" href="bignum_8h.html#ae1f6507671587755e46bbf0afcae6a8c">mpi_free</a>( &P1 ); <a class="code" href="bignum_8h.html#ae1f6507671587755e46bbf0afcae6a8c">mpi_free</a>( &Q1 ); <a class="code" href="bignum_8h.html#ae1f6507671587755e46bbf0afcae6a8c">mpi_free</a>( &H ); <a class="code" href="bignum_8h.html#ae1f6507671587755e46bbf0afcae6a8c">mpi_free</a>( &G );</div>
<div class="line"><a name="l00146"></a><span class="lineno"> 146</span> </div>
<div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  <span class="keywordflow">if</span>( ret != 0 )</div>
<div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  {</div>
<div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  <a class="code" href="rsa_8h.html#abb5d26b09e183c8a885eaee270c38fc7">rsa_free</a>( ctx );</div>
<div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  <span class="keywordflow">return</span>( <a class="code" href="rsa_8h.html#a1cd4e872914a9c350dee5a7deda8b51f">POLARSSL_ERR_RSA_KEY_GEN_FAILED</a> + ret );</div>
<div class="line"><a name="l00151"></a><span class="lineno"> 151</span>  }</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">return</span>( 0 );</div>
<div class="line"><a name="l00154"></a><span class="lineno"> 154</span> }</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> <span class="preprocessor">#endif </span><span class="comment">/* POLARSSL_GENPRIME */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00157"></a><span class="lineno"> 157</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00158"></a><span class="lineno"> 158</span> <span class="comment">/*</span></div>
<div class="line"><a name="l00159"></a><span class="lineno"> 159</span> <span class="comment"> * Check a public RSA key</span></div>
<div class="line"><a name="l00160"></a><span class="lineno"> 160</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00161"></a><span class="lineno"> 161</span> <span class="keywordtype">int</span> <a class="code" href="rsa_8h.html#ae8208f2c3741564581ec745b27524c45">rsa_check_pubkey</a>( <span class="keyword">const</span> <a class="code" href="structrsa__context.html">rsa_context</a> *ctx )</div>
<div class="line"><a name="l00162"></a><span class="lineno"> 162</span> {</div>
<div class="line"><a name="l00163"></a><span class="lineno"> 163</span>  <span class="keywordflow">if</span>( !ctx-><a class="code" href="structrsa__context.html#a2f44f168531d8470e7831fd49aea9ae0">N</a>.<a class="code" href="structmpi.html#aaeeabe339c1cc40d05bdb026666404f8">p</a> || !ctx-><a class="code" href="structrsa__context.html#aa28db934350d34ac8537abb7ec8d519d">E</a>.<a class="code" href="structmpi.html#aaeeabe339c1cc40d05bdb026666404f8">p</a> )</div>
<div class="line"><a name="l00164"></a><span class="lineno"> 164</span>  <span class="keywordflow">return</span>( <a class="code" href="rsa_8h.html#a20c78c8fb43e505b891cf0ae19535316">POLARSSL_ERR_RSA_KEY_CHECK_FAILED</a> );</div>
<div class="line"><a name="l00165"></a><span class="lineno"> 165</span> </div>
<div class="line"><a name="l00166"></a><span class="lineno"> 166</span>  <span class="keywordflow">if</span>( ( ctx-><a class="code" href="structrsa__context.html#a2f44f168531d8470e7831fd49aea9ae0">N</a>.<a class="code" href="structmpi.html#aaeeabe339c1cc40d05bdb026666404f8">p</a>[0] & 1 ) == 0 ||</div>
<div class="line"><a name="l00167"></a><span class="lineno"> 167</span>  ( ctx-><a class="code" href="structrsa__context.html#aa28db934350d34ac8537abb7ec8d519d">E</a>.<a class="code" href="structmpi.html#aaeeabe339c1cc40d05bdb026666404f8">p</a>[0] & 1 ) == 0 )</div>
<div class="line"><a name="l00168"></a><span class="lineno"> 168</span>  <span class="keywordflow">return</span>( <a class="code" href="rsa_8h.html#a20c78c8fb43e505b891cf0ae19535316">POLARSSL_ERR_RSA_KEY_CHECK_FAILED</a> );</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>  <span class="keywordflow">if</span>( <a class="code" href="bignum_8h.html#a4d461a7bff5a31df34bbf93ec00ab886">mpi_msb</a>( &ctx-><a class="code" href="structrsa__context.html#a2f44f168531d8470e7831fd49aea9ae0">N</a> ) < 128 ||</div>
<div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  <a class="code" href="bignum_8h.html#a4d461a7bff5a31df34bbf93ec00ab886">mpi_msb</a>( &ctx-><a class="code" href="structrsa__context.html#a2f44f168531d8470e7831fd49aea9ae0">N</a> ) > <a class="code" href="bignum_8h.html#aca6ca30059eab25954ebb962a8b69c52">POLARSSL_MPI_MAX_BITS</a> )</div>
<div class="line"><a name="l00172"></a><span class="lineno"> 172</span>  <span class="keywordflow">return</span>( <a class="code" href="rsa_8h.html#a20c78c8fb43e505b891cf0ae19535316">POLARSSL_ERR_RSA_KEY_CHECK_FAILED</a> );</div>
<div class="line"><a name="l00173"></a><span class="lineno"> 173</span> </div>
<div class="line"><a name="l00174"></a><span class="lineno"> 174</span>  <span class="keywordflow">if</span>( <a class="code" href="bignum_8h.html#a4d461a7bff5a31df34bbf93ec00ab886">mpi_msb</a>( &ctx-><a class="code" href="structrsa__context.html#aa28db934350d34ac8537abb7ec8d519d">E</a> ) < 2 ||</div>
<div class="line"><a name="l00175"></a><span class="lineno"> 175</span>  <a class="code" href="bignum_8h.html#aec20dff9d78738e3c80b212df9875b83">mpi_cmp_mpi</a>( &ctx-><a class="code" href="structrsa__context.html#aa28db934350d34ac8537abb7ec8d519d">E</a>, &ctx-><a class="code" href="structrsa__context.html#a2f44f168531d8470e7831fd49aea9ae0">N</a> ) >= 0 )</div>
<div class="line"><a name="l00176"></a><span class="lineno"> 176</span>  <span class="keywordflow">return</span>( <a class="code" href="rsa_8h.html#a20c78c8fb43e505b891cf0ae19535316">POLARSSL_ERR_RSA_KEY_CHECK_FAILED</a> );</div>
<div class="line"><a name="l00177"></a><span class="lineno"> 177</span> </div>
<div class="line"><a name="l00178"></a><span class="lineno"> 178</span>  <span class="keywordflow">return</span>( 0 );</div>
<div class="line"><a name="l00179"></a><span class="lineno"> 179</span> }</div>
<div class="line"><a name="l00180"></a><span class="lineno"> 180</span> </div>
<div class="line"><a name="l00181"></a><span class="lineno"> 181</span> <span class="comment">/*</span></div>
<div class="line"><a name="l00182"></a><span class="lineno"> 182</span> <span class="comment"> * Check a private RSA key</span></div>
<div class="line"><a name="l00183"></a><span class="lineno"> 183</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00184"></a><span class="lineno"> 184</span> <span class="keywordtype">int</span> <a class="code" href="rsa_8h.html#a0fe904ec611cd6b53c72b7308f3ed3db">rsa_check_privkey</a>( <span class="keyword">const</span> <a class="code" href="structrsa__context.html">rsa_context</a> *ctx )</div>
<div class="line"><a name="l00185"></a><span class="lineno"> 185</span> {</div>
<div class="line"><a name="l00186"></a><span class="lineno"> 186</span>  <span class="keywordtype">int</span> ret;</div>
<div class="line"><a name="l00187"></a><span class="lineno"> 187</span>  <a class="code" href="structmpi.html">mpi</a> PQ, DE, P1, Q1, H, I, G, G2, L1, L2, DP, DQ, QP;</div>
<div class="line"><a name="l00188"></a><span class="lineno"> 188</span> </div>
<div class="line"><a name="l00189"></a><span class="lineno"> 189</span>  <span class="keywordflow">if</span>( ( ret = <a class="code" href="rsa_8h.html#ae8208f2c3741564581ec745b27524c45">rsa_check_pubkey</a>( ctx ) ) != 0 )</div>
<div class="line"><a name="l00190"></a><span class="lineno"> 190</span>  <span class="keywordflow">return</span>( ret );</div>
<div class="line"><a name="l00191"></a><span class="lineno"> 191</span> </div>
<div class="line"><a name="l00192"></a><span class="lineno"> 192</span>  <span class="keywordflow">if</span>( !ctx-><a class="code" href="structrsa__context.html#a352c64edb7488633ddbca88d1a9966c9">P</a>.<a class="code" href="structmpi.html#aaeeabe339c1cc40d05bdb026666404f8">p</a> || !ctx-><a class="code" href="structrsa__context.html#a94bb2c66e84581a0d854f1fc7f6672d8">Q</a>.<a class="code" href="structmpi.html#aaeeabe339c1cc40d05bdb026666404f8">p</a> || !ctx-><a class="code" href="structrsa__context.html#af3078ae226d6b5aa335af77a6d46317e">D</a>.<a class="code" href="structmpi.html#aaeeabe339c1cc40d05bdb026666404f8">p</a> )</div>
<div class="line"><a name="l00193"></a><span class="lineno"> 193</span>  <span class="keywordflow">return</span>( <a class="code" href="rsa_8h.html#a20c78c8fb43e505b891cf0ae19535316">POLARSSL_ERR_RSA_KEY_CHECK_FAILED</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#a201666869f65225d6535bcc697f95c9b">mpi_init</a>( &PQ ); <a class="code" href="bignum_8h.html#a201666869f65225d6535bcc697f95c9b">mpi_init</a>( &DE ); <a class="code" href="bignum_8h.html#a201666869f65225d6535bcc697f95c9b">mpi_init</a>( &P1 ); <a class="code" href="bignum_8h.html#a201666869f65225d6535bcc697f95c9b">mpi_init</a>( &Q1 );</div>
<div class="line"><a name="l00196"></a><span class="lineno"> 196</span>  <a class="code" href="bignum_8h.html#a201666869f65225d6535bcc697f95c9b">mpi_init</a>( &H ); <a class="code" href="bignum_8h.html#a201666869f65225d6535bcc697f95c9b">mpi_init</a>( &I ); <a class="code" href="bignum_8h.html#a201666869f65225d6535bcc697f95c9b">mpi_init</a>( &G ); <a class="code" href="bignum_8h.html#a201666869f65225d6535bcc697f95c9b">mpi_init</a>( &G2 );</div>
<div class="line"><a name="l00197"></a><span class="lineno"> 197</span>  <a class="code" href="bignum_8h.html#a201666869f65225d6535bcc697f95c9b">mpi_init</a>( &L1 ); <a class="code" href="bignum_8h.html#a201666869f65225d6535bcc697f95c9b">mpi_init</a>( &L2 ); <a class="code" href="bignum_8h.html#a201666869f65225d6535bcc697f95c9b">mpi_init</a>( &DP ); <a class="code" href="bignum_8h.html#a201666869f65225d6535bcc697f95c9b">mpi_init</a>( &DQ );</div>
<div class="line"><a name="l00198"></a><span class="lineno"> 198</span>  <a class="code" href="bignum_8h.html#a201666869f65225d6535bcc697f95c9b">mpi_init</a>( &QP );</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>  <a class="code" href="bignum_8h.html#a024b186dd3608bcbcfc9dd36212a18ec">MPI_CHK</a>( <a class="code" href="bignum_8h.html#ab63bfb07b27db84268491cd7d68bddc0">mpi_mul_mpi</a>( &PQ, &ctx-><a class="code" href="structrsa__context.html#a352c64edb7488633ddbca88d1a9966c9">P</a>, &ctx-><a class="code" href="structrsa__context.html#a94bb2c66e84581a0d854f1fc7f6672d8">Q</a> ) );</div>
<div class="line"><a name="l00201"></a><span class="lineno"> 201</span>  <a class="code" href="bignum_8h.html#a024b186dd3608bcbcfc9dd36212a18ec">MPI_CHK</a>( <a class="code" href="bignum_8h.html#ab63bfb07b27db84268491cd7d68bddc0">mpi_mul_mpi</a>( &DE, &ctx-><a class="code" href="structrsa__context.html#af3078ae226d6b5aa335af77a6d46317e">D</a>, &ctx-><a class="code" href="structrsa__context.html#aa28db934350d34ac8537abb7ec8d519d">E</a> ) );</div>
<div class="line"><a name="l00202"></a><span class="lineno"> 202</span>  <a class="code" href="bignum_8h.html#a024b186dd3608bcbcfc9dd36212a18ec">MPI_CHK</a>( <a class="code" href="bignum_8h.html#acfdf0f6effb7f976a2f90844c492e160">mpi_sub_int</a>( &P1, &ctx-><a class="code" href="structrsa__context.html#a352c64edb7488633ddbca88d1a9966c9">P</a>, 1 ) );</div>
<div class="line"><a name="l00203"></a><span class="lineno"> 203</span>  <a class="code" href="bignum_8h.html#a024b186dd3608bcbcfc9dd36212a18ec">MPI_CHK</a>( <a class="code" href="bignum_8h.html#acfdf0f6effb7f976a2f90844c492e160">mpi_sub_int</a>( &Q1, &ctx-><a class="code" href="structrsa__context.html#a94bb2c66e84581a0d854f1fc7f6672d8">Q</a>, 1 ) );</div>
<div class="line"><a name="l00204"></a><span class="lineno"> 204</span>  <a class="code" href="bignum_8h.html#a024b186dd3608bcbcfc9dd36212a18ec">MPI_CHK</a>( <a class="code" href="bignum_8h.html#ab63bfb07b27db84268491cd7d68bddc0">mpi_mul_mpi</a>( &H, &P1, &Q1 ) );</div>
<div class="line"><a name="l00205"></a><span class="lineno"> 205</span>  <a class="code" href="bignum_8h.html#a024b186dd3608bcbcfc9dd36212a18ec">MPI_CHK</a>( <a class="code" href="bignum_8h.html#ab1448e8d36dbf542b2230131da8298aa">mpi_gcd</a>( &G, &ctx-><a class="code" href="structrsa__context.html#aa28db934350d34ac8537abb7ec8d519d">E</a>, &H ) );</div>
<div class="line"><a name="l00206"></a><span class="lineno"> 206</span> </div>
<div class="line"><a name="l00207"></a><span class="lineno"> 207</span>  <a class="code" href="bignum_8h.html#a024b186dd3608bcbcfc9dd36212a18ec">MPI_CHK</a>( <a class="code" href="bignum_8h.html#ab1448e8d36dbf542b2230131da8298aa">mpi_gcd</a>( &G2, &P1, &Q1 ) );</div>
<div class="line"><a name="l00208"></a><span class="lineno"> 208</span>  <a class="code" href="bignum_8h.html#a024b186dd3608bcbcfc9dd36212a18ec">MPI_CHK</a>( <a class="code" href="bignum_8h.html#a0804ce20a4a1cba3e3dcd3ac520b1ffb">mpi_div_mpi</a>( &L1, &L2, &H, &G2 ) );</div>
<div class="line"><a name="l00209"></a><span class="lineno"> 209</span>  <a class="code" href="bignum_8h.html#a024b186dd3608bcbcfc9dd36212a18ec">MPI_CHK</a>( <a class="code" href="bignum_8h.html#a075d3cf21cb3733e5f0a872e72b0cd15">mpi_mod_mpi</a>( &I, &DE, &L1 ) );</div>
<div class="line"><a name="l00210"></a><span class="lineno"> 210</span> </div>
<div class="line"><a name="l00211"></a><span class="lineno"> 211</span>  <a class="code" href="bignum_8h.html#a024b186dd3608bcbcfc9dd36212a18ec">MPI_CHK</a>( <a class="code" href="bignum_8h.html#a075d3cf21cb3733e5f0a872e72b0cd15">mpi_mod_mpi</a>( &DP, &ctx-><a class="code" href="structrsa__context.html#af3078ae226d6b5aa335af77a6d46317e">D</a>, &P1 ) );</div>
<div class="line"><a name="l00212"></a><span class="lineno"> 212</span>  <a class="code" href="bignum_8h.html#a024b186dd3608bcbcfc9dd36212a18ec">MPI_CHK</a>( <a class="code" href="bignum_8h.html#a075d3cf21cb3733e5f0a872e72b0cd15">mpi_mod_mpi</a>( &DQ, &ctx-><a class="code" href="structrsa__context.html#af3078ae226d6b5aa335af77a6d46317e">D</a>, &Q1 ) );</div>
<div class="line"><a name="l00213"></a><span class="lineno"> 213</span>  <a class="code" href="bignum_8h.html#a024b186dd3608bcbcfc9dd36212a18ec">MPI_CHK</a>( <a class="code" href="bignum_8h.html#a090616da16b87653c025874e1675da79">mpi_inv_mod</a>( &QP, &ctx-><a class="code" href="structrsa__context.html#a94bb2c66e84581a0d854f1fc7f6672d8">Q</a>, &ctx-><a class="code" href="structrsa__context.html#a352c64edb7488633ddbca88d1a9966c9">P</a> ) );</div>
<div class="line"><a name="l00214"></a><span class="lineno"> 214</span>  <span class="comment">/*</span></div>
<div class="line"><a name="l00215"></a><span class="lineno"> 215</span> <span class="comment"> * Check for a valid PKCS1v2 private key</span></div>
<div class="line"><a name="l00216"></a><span class="lineno"> 216</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00217"></a><span class="lineno"> 217</span>  <span class="keywordflow">if</span>( <a class="code" href="bignum_8h.html#aec20dff9d78738e3c80b212df9875b83">mpi_cmp_mpi</a>( &PQ, &ctx-><a class="code" href="structrsa__context.html#a2f44f168531d8470e7831fd49aea9ae0">N</a> ) != 0 ||</div>
<div class="line"><a name="l00218"></a><span class="lineno"> 218</span>  <a class="code" href="bignum_8h.html#aec20dff9d78738e3c80b212df9875b83">mpi_cmp_mpi</a>( &DP, &ctx-><a class="code" href="structrsa__context.html#ad3a4b21e847d540a9bf1b680f0c05880">DP</a> ) != 0 ||</div>
<div class="line"><a name="l00219"></a><span class="lineno"> 219</span>  <a class="code" href="bignum_8h.html#aec20dff9d78738e3c80b212df9875b83">mpi_cmp_mpi</a>( &DQ, &ctx-><a class="code" href="structrsa__context.html#a42fb604a95bea6fc9640715babb8d415">DQ</a> ) != 0 ||</div>
<div class="line"><a name="l00220"></a><span class="lineno"> 220</span>  <a class="code" href="bignum_8h.html#aec20dff9d78738e3c80b212df9875b83">mpi_cmp_mpi</a>( &QP, &ctx-><a class="code" href="structrsa__context.html#a364bfb0ef6d240c39053f603ee1cbeca">QP</a> ) != 0 ||</div>
<div class="line"><a name="l00221"></a><span class="lineno"> 221</span>  <a class="code" href="bignum_8h.html#aee6dc030f0fa278c1576c457088b4910">mpi_cmp_int</a>( &L2, 0 ) != 0 ||</div>
<div class="line"><a name="l00222"></a><span class="lineno"> 222</span>  <a class="code" href="bignum_8h.html#aee6dc030f0fa278c1576c457088b4910">mpi_cmp_int</a>( &I, 1 ) != 0 ||</div>
<div class="line"><a name="l00223"></a><span class="lineno"> 223</span>  <a class="code" href="bignum_8h.html#aee6dc030f0fa278c1576c457088b4910">mpi_cmp_int</a>( &G, 1 ) != 0 )</div>
<div class="line"><a name="l00224"></a><span class="lineno"> 224</span>  {</div>
<div class="line"><a name="l00225"></a><span class="lineno"> 225</span>  ret = <a class="code" href="rsa_8h.html#a20c78c8fb43e505b891cf0ae19535316">POLARSSL_ERR_RSA_KEY_CHECK_FAILED</a>;</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> </div>
<div class="line"><a name="l00228"></a><span class="lineno"> 228</span> cleanup:</div>
<div class="line"><a name="l00229"></a><span class="lineno"> 229</span>  <a class="code" href="bignum_8h.html#ae1f6507671587755e46bbf0afcae6a8c">mpi_free</a>( &PQ ); <a class="code" href="bignum_8h.html#ae1f6507671587755e46bbf0afcae6a8c">mpi_free</a>( &DE ); <a class="code" href="bignum_8h.html#ae1f6507671587755e46bbf0afcae6a8c">mpi_free</a>( &P1 ); <a class="code" href="bignum_8h.html#ae1f6507671587755e46bbf0afcae6a8c">mpi_free</a>( &Q1 );</div>
<div class="line"><a name="l00230"></a><span class="lineno"> 230</span>  <a class="code" href="bignum_8h.html#ae1f6507671587755e46bbf0afcae6a8c">mpi_free</a>( &H ); <a class="code" href="bignum_8h.html#ae1f6507671587755e46bbf0afcae6a8c">mpi_free</a>( &I ); <a class="code" href="bignum_8h.html#ae1f6507671587755e46bbf0afcae6a8c">mpi_free</a>( &G ); <a class="code" href="bignum_8h.html#ae1f6507671587755e46bbf0afcae6a8c">mpi_free</a>( &G2 );</div>
<div class="line"><a name="l00231"></a><span class="lineno"> 231</span>  <a class="code" href="bignum_8h.html#ae1f6507671587755e46bbf0afcae6a8c">mpi_free</a>( &L1 ); <a class="code" href="bignum_8h.html#ae1f6507671587755e46bbf0afcae6a8c">mpi_free</a>( &L2 ); <a class="code" href="bignum_8h.html#ae1f6507671587755e46bbf0afcae6a8c">mpi_free</a>( &DP ); <a class="code" href="bignum_8h.html#ae1f6507671587755e46bbf0afcae6a8c">mpi_free</a>( &DQ );</div>
<div class="line"><a name="l00232"></a><span class="lineno"> 232</span>  <a class="code" href="bignum_8h.html#ae1f6507671587755e46bbf0afcae6a8c">mpi_free</a>( &QP );</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">if</span>( ret == <a class="code" href="rsa_8h.html#a20c78c8fb43e505b891cf0ae19535316">POLARSSL_ERR_RSA_KEY_CHECK_FAILED</a> )</div>
<div class="line"><a name="l00235"></a><span class="lineno"> 235</span>  <span class="keywordflow">return</span>( ret );</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">if</span>( ret != 0 )</div>
<div class="line"><a name="l00238"></a><span class="lineno"> 238</span>  <span class="keywordflow">return</span>( <a class="code" href="rsa_8h.html#a20c78c8fb43e505b891cf0ae19535316">POLARSSL_ERR_RSA_KEY_CHECK_FAILED</a> + ret );</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>  <span class="keywordflow">return</span>( 0 );</div>
<div class="line"><a name="l00241"></a><span class="lineno"> 241</span> }</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> <span class="comment">/*</span></div>
<div class="line"><a name="l00244"></a><span class="lineno"> 244</span> <span class="comment"> * Do an RSA public key operation</span></div>
<div class="line"><a name="l00245"></a><span class="lineno"> 245</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00246"></a><span class="lineno"> 246</span> <span class="keywordtype">int</span> <a class="code" href="rsa_8h.html#a29709d2f3d05d833b28081b743f9815f">rsa_public</a>( <a class="code" href="structrsa__context.html">rsa_context</a> *ctx,</div>
<div class="line"><a name="l00247"></a><span class="lineno"> 247</span>  <span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *input,</div>
<div class="line"><a name="l00248"></a><span class="lineno"> 248</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *output )</div>
<div class="line"><a name="l00249"></a><span class="lineno"> 249</span> {</div>
<div class="line"><a name="l00250"></a><span class="lineno"> 250</span>  <span class="keywordtype">int</span> ret;</div>
<div class="line"><a name="l00251"></a><span class="lineno"> 251</span>  <span class="keywordtype">size_t</span> olen;</div>
<div class="line"><a name="l00252"></a><span class="lineno"> 252</span>  <a class="code" href="structmpi.html">mpi</a> T;</div>
<div class="line"><a name="l00253"></a><span class="lineno"> 253</span> </div>
<div class="line"><a name="l00254"></a><span class="lineno"> 254</span>  <a class="code" href="bignum_8h.html#a201666869f65225d6535bcc697f95c9b">mpi_init</a>( &T );</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>  <a class="code" href="bignum_8h.html#a024b186dd3608bcbcfc9dd36212a18ec">MPI_CHK</a>( <a class="code" href="bignum_8h.html#a0235008cccbf00b8bc03699de8094819">mpi_read_binary</a>( &T, input, ctx-><a class="code" href="structrsa__context.html#a8b9aaee69b8d73b0567a2bca7c78b173">len</a> ) );</div>
<div class="line"><a name="l00257"></a><span class="lineno"> 257</span> </div>
<div class="line"><a name="l00258"></a><span class="lineno"> 258</span>  <span class="keywordflow">if</span>( <a class="code" href="bignum_8h.html#aec20dff9d78738e3c80b212df9875b83">mpi_cmp_mpi</a>( &T, &ctx-><a class="code" href="structrsa__context.html#a2f44f168531d8470e7831fd49aea9ae0">N</a> ) >= 0 )</div>
<div class="line"><a name="l00259"></a><span class="lineno"> 259</span>  {</div>
<div class="line"><a name="l00260"></a><span class="lineno"> 260</span>  <a class="code" href="bignum_8h.html#ae1f6507671587755e46bbf0afcae6a8c">mpi_free</a>( &T );</div>
<div class="line"><a name="l00261"></a><span class="lineno"> 261</span>  <span class="keywordflow">return</span>( <a class="code" href="rsa_8h.html#aa30403951a6242045d0b47e2b51eccb0">POLARSSL_ERR_RSA_BAD_INPUT_DATA</a> );</div>
<div class="line"><a name="l00262"></a><span class="lineno"> 262</span>  }</div>
<div class="line"><a name="l00263"></a><span class="lineno"> 263</span> </div>
<div class="line"><a name="l00264"></a><span class="lineno"> 264</span>  olen = ctx-><a class="code" href="structrsa__context.html#a8b9aaee69b8d73b0567a2bca7c78b173">len</a>;</div>
<div class="line"><a name="l00265"></a><span class="lineno"> 265</span>  <a class="code" href="bignum_8h.html#a024b186dd3608bcbcfc9dd36212a18ec">MPI_CHK</a>( <a class="code" href="bignum_8h.html#a84befed1943a584332e0599605b0d3fe">mpi_exp_mod</a>( &T, &T, &ctx-><a class="code" href="structrsa__context.html#aa28db934350d34ac8537abb7ec8d519d">E</a>, &ctx-><a class="code" href="structrsa__context.html#a2f44f168531d8470e7831fd49aea9ae0">N</a>, &ctx-><a class="code" href="structrsa__context.html#a9d76414e85030ddf011b24d8a8bc4f9f">RN</a> ) );</div>
<div class="line"><a name="l00266"></a><span class="lineno"> 266</span>  <a class="code" href="bignum_8h.html#a024b186dd3608bcbcfc9dd36212a18ec">MPI_CHK</a>( <a class="code" href="bignum_8h.html#a5d464b4312859ce4969d114eb5e02741">mpi_write_binary</a>( &T, output, olen ) );</div>
<div class="line"><a name="l00267"></a><span class="lineno"> 267</span> </div>
<div class="line"><a name="l00268"></a><span class="lineno"> 268</span> cleanup:</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>  <a class="code" href="bignum_8h.html#ae1f6507671587755e46bbf0afcae6a8c">mpi_free</a>( &T );</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>  <span class="keywordflow">if</span>( ret != 0 )</div>
<div class="line"><a name="l00273"></a><span class="lineno"> 273</span>  <span class="keywordflow">return</span>( <a class="code" href="rsa_8h.html#a6f6e6c330a1005f0846c4d033b49558c">POLARSSL_ERR_RSA_PUBLIC_FAILED</a> + ret );</div>
<div class="line"><a name="l00274"></a><span class="lineno"> 274</span> </div>
<div class="line"><a name="l00275"></a><span class="lineno"> 275</span>  <span class="keywordflow">return</span>( 0 );</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> </div>
<div class="line"><a name="l00278"></a><span class="lineno"> 278</span> <span class="preprocessor">#if !defined(POLARSSL_RSA_NO_CRT)</span></div>
<div class="line"><a name="l00279"></a><span class="lineno"> 279</span> <span class="preprocessor"></span><span class="comment">/*</span></div>
<div class="line"><a name="l00280"></a><span class="lineno"> 280</span> <span class="comment"> * Generate or update blinding values, see section 10 of:</span></div>
<div class="line"><a name="l00281"></a><span class="lineno"> 281</span> <span class="comment"> * KOCHER, Paul C. Timing attacks on implementations of Diffie-Hellman, RSA,</span></div>
<div class="line"><a name="l00282"></a><span class="lineno"> 282</span> <span class="comment"> * DSS, and other systems. In : Advances in Cryptology—CRYPTO’96. Springer</span></div>
<div class="line"><a name="l00283"></a><span class="lineno"> 283</span> <span class="comment"> * Berlin Heidelberg, 1996. p. 104-113.</span></div>
<div class="line"><a name="l00284"></a><span class="lineno"> 284</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00285"></a><span class="lineno"> 285</span> <span class="keyword">static</span> <span class="keywordtype">int</span> rsa_prepare_blinding( <a class="code" href="structrsa__context.html">rsa_context</a> *ctx, <a class="code" href="structmpi.html">mpi</a> *Vi, <a class="code" href="structmpi.html">mpi</a> *Vf,</div>
<div class="line"><a name="l00286"></a><span class="lineno"> 286</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>), <span class="keywordtype">void</span> *p_rng )</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>  <span class="keywordtype">int</span> ret, count = 0;</div>
<div class="line"><a name="l00289"></a><span class="lineno"> 289</span> </div>
<div class="line"><a name="l00290"></a><span class="lineno"> 290</span> <span class="preprocessor">#if defined(POLARSSL_THREADING_C)</span></div>
<div class="line"><a name="l00291"></a><span class="lineno"> 291</span> <span class="preprocessor"></span> <a class="code" href="threading_8h.html#a20d968ec5d48ea16cfab980204e3cb90">polarssl_mutex_lock</a>( &ctx->mutex );</div>
<div class="line"><a name="l00292"></a><span class="lineno"> 292</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00293"></a><span class="lineno"> 293</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00294"></a><span class="lineno"> 294</span>  <span class="keywordflow">if</span>( ctx-><a class="code" href="structrsa__context.html#a76c7d476300150b3968cb77622238fbe">Vf</a>.<a class="code" href="structmpi.html#aaeeabe339c1cc40d05bdb026666404f8">p</a> != NULL )</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="comment">/* We already have blinding values, just update them by squaring */</span></div>
<div class="line"><a name="l00297"></a><span class="lineno"> 297</span>  <a class="code" href="bignum_8h.html#a024b186dd3608bcbcfc9dd36212a18ec">MPI_CHK</a>( <a class="code" href="bignum_8h.html#ab63bfb07b27db84268491cd7d68bddc0">mpi_mul_mpi</a>( &ctx-><a class="code" href="structrsa__context.html#a83cca59d355689bc62db8ee505489d8c">Vi</a>, &ctx-><a class="code" href="structrsa__context.html#a83cca59d355689bc62db8ee505489d8c">Vi</a>, &ctx-><a class="code" href="structrsa__context.html#a83cca59d355689bc62db8ee505489d8c">Vi</a> ) );</div>
<div class="line"><a name="l00298"></a><span class="lineno"> 298</span>  <a class="code" href="bignum_8h.html#a024b186dd3608bcbcfc9dd36212a18ec">MPI_CHK</a>( <a class="code" href="bignum_8h.html#a075d3cf21cb3733e5f0a872e72b0cd15">mpi_mod_mpi</a>( &ctx-><a class="code" href="structrsa__context.html#a83cca59d355689bc62db8ee505489d8c">Vi</a>, &ctx-><a class="code" href="structrsa__context.html#a83cca59d355689bc62db8ee505489d8c">Vi</a>, &ctx-><a class="code" href="structrsa__context.html#a2f44f168531d8470e7831fd49aea9ae0">N</a> ) );</div>
<div class="line"><a name="l00299"></a><span class="lineno"> 299</span>  <a class="code" href="bignum_8h.html#a024b186dd3608bcbcfc9dd36212a18ec">MPI_CHK</a>( <a class="code" href="bignum_8h.html#ab63bfb07b27db84268491cd7d68bddc0">mpi_mul_mpi</a>( &ctx-><a class="code" href="structrsa__context.html#a76c7d476300150b3968cb77622238fbe">Vf</a>, &ctx-><a class="code" href="structrsa__context.html#a76c7d476300150b3968cb77622238fbe">Vf</a>, &ctx-><a class="code" href="structrsa__context.html#a76c7d476300150b3968cb77622238fbe">Vf</a> ) );</div>
<div class="line"><a name="l00300"></a><span class="lineno"> 300</span>  <a class="code" href="bignum_8h.html#a024b186dd3608bcbcfc9dd36212a18ec">MPI_CHK</a>( <a class="code" href="bignum_8h.html#a075d3cf21cb3733e5f0a872e72b0cd15">mpi_mod_mpi</a>( &ctx-><a class="code" href="structrsa__context.html#a76c7d476300150b3968cb77622238fbe">Vf</a>, &ctx-><a class="code" href="structrsa__context.html#a76c7d476300150b3968cb77622238fbe">Vf</a>, &ctx-><a class="code" href="structrsa__context.html#a2f44f168531d8470e7831fd49aea9ae0">N</a> ) );</div>
<div class="line"><a name="l00301"></a><span class="lineno"> 301</span> </div>
<div class="line"><a name="l00302"></a><span class="lineno"> 302</span>  <span class="keywordflow">goto</span> done;</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> </div>
<div class="line"><a name="l00305"></a><span class="lineno"> 305</span>  <span class="comment">/* Unblinding value: Vf = random number, invertible mod N */</span></div>
<div class="line"><a name="l00306"></a><span class="lineno"> 306</span>  <span class="keywordflow">do</span> {</div>
<div class="line"><a name="l00307"></a><span class="lineno"> 307</span>  <span class="keywordflow">if</span>( count++ > 10 )</div>
<div class="line"><a name="l00308"></a><span class="lineno"> 308</span>  <span class="keywordflow">return</span>( <a class="code" href="rsa_8h.html#a07f72608ba6249132c9a6cf497f0371d">POLARSSL_ERR_RSA_RNG_FAILED</a> );</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>  <a class="code" href="bignum_8h.html#a024b186dd3608bcbcfc9dd36212a18ec">MPI_CHK</a>( <a class="code" href="bignum_8h.html#a5ac8858041a8d5b49c11d38fd4069975">mpi_fill_random</a>( &ctx-><a class="code" href="structrsa__context.html#a76c7d476300150b3968cb77622238fbe">Vf</a>, ctx-><a class="code" href="structrsa__context.html#a8b9aaee69b8d73b0567a2bca7c78b173">len</a> - 1, f_rng, p_rng ) );</div>
<div class="line"><a name="l00311"></a><span class="lineno"> 311</span>  <a class="code" href="bignum_8h.html#a024b186dd3608bcbcfc9dd36212a18ec">MPI_CHK</a>( <a class="code" href="bignum_8h.html#ab1448e8d36dbf542b2230131da8298aa">mpi_gcd</a>( &ctx-><a class="code" href="structrsa__context.html#a83cca59d355689bc62db8ee505489d8c">Vi</a>, &ctx-><a class="code" href="structrsa__context.html#a76c7d476300150b3968cb77622238fbe">Vf</a>, &ctx-><a class="code" href="structrsa__context.html#a2f44f168531d8470e7831fd49aea9ae0">N</a> ) );</div>
<div class="line"><a name="l00312"></a><span class="lineno"> 312</span>  } <span class="keywordflow">while</span>( <a class="code" href="bignum_8h.html#aee6dc030f0fa278c1576c457088b4910">mpi_cmp_int</a>( &ctx-><a class="code" href="structrsa__context.html#a83cca59d355689bc62db8ee505489d8c">Vi</a>, 1 ) != 0 );</div>
<div class="line"><a name="l00313"></a><span class="lineno"> 313</span> </div>
<div class="line"><a name="l00314"></a><span class="lineno"> 314</span>  <span class="comment">/* Blinding value: Vi = Vf^(-e) mod N */</span></div>
<div class="line"><a name="l00315"></a><span class="lineno"> 315</span>  <a class="code" href="bignum_8h.html#a024b186dd3608bcbcfc9dd36212a18ec">MPI_CHK</a>( <a class="code" href="bignum_8h.html#a090616da16b87653c025874e1675da79">mpi_inv_mod</a>( &ctx-><a class="code" href="structrsa__context.html#a83cca59d355689bc62db8ee505489d8c">Vi</a>, &ctx-><a class="code" href="structrsa__context.html#a76c7d476300150b3968cb77622238fbe">Vf</a>, &ctx-><a class="code" href="structrsa__context.html#a2f44f168531d8470e7831fd49aea9ae0">N</a> ) );</div>
<div class="line"><a name="l00316"></a><span class="lineno"> 316</span>  <a class="code" href="bignum_8h.html#a024b186dd3608bcbcfc9dd36212a18ec">MPI_CHK</a>( <a class="code" href="bignum_8h.html#a84befed1943a584332e0599605b0d3fe">mpi_exp_mod</a>( &ctx-><a class="code" href="structrsa__context.html#a83cca59d355689bc62db8ee505489d8c">Vi</a>, &ctx-><a class="code" href="structrsa__context.html#a83cca59d355689bc62db8ee505489d8c">Vi</a>, &ctx-><a class="code" href="structrsa__context.html#aa28db934350d34ac8537abb7ec8d519d">E</a>, &ctx-><a class="code" href="structrsa__context.html#a2f44f168531d8470e7831fd49aea9ae0">N</a>, &ctx-><a class="code" href="structrsa__context.html#a9d76414e85030ddf011b24d8a8bc4f9f">RN</a> ) );</div>
<div class="line"><a name="l00317"></a><span class="lineno"> 317</span> </div>
<div class="line"><a name="l00318"></a><span class="lineno"> 318</span> done:</div>
<div class="line"><a name="l00319"></a><span class="lineno"> 319</span>  <span class="keywordflow">if</span>( Vi != &ctx-><a class="code" href="structrsa__context.html#a83cca59d355689bc62db8ee505489d8c">Vi</a> )</div>
<div class="line"><a name="l00320"></a><span class="lineno"> 320</span>  {</div>
<div class="line"><a name="l00321"></a><span class="lineno"> 321</span>  <a class="code" href="bignum_8h.html#a024b186dd3608bcbcfc9dd36212a18ec">MPI_CHK</a>( <a class="code" href="bignum_8h.html#a6fbcce39a9d92d9e2a560f8aa6a810f4">mpi_copy</a>( Vi, &ctx-><a class="code" href="structrsa__context.html#a83cca59d355689bc62db8ee505489d8c">Vi</a> ) );</div>
<div class="line"><a name="l00322"></a><span class="lineno"> 322</span>  <a class="code" href="bignum_8h.html#a024b186dd3608bcbcfc9dd36212a18ec">MPI_CHK</a>( <a class="code" href="bignum_8h.html#a6fbcce39a9d92d9e2a560f8aa6a810f4">mpi_copy</a>( Vf, &ctx-><a class="code" href="structrsa__context.html#a76c7d476300150b3968cb77622238fbe">Vf</a> ) );</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> </div>
<div class="line"><a name="l00325"></a><span class="lineno"> 325</span> cleanup:</div>
<div class="line"><a name="l00326"></a><span class="lineno"> 326</span> <span class="preprocessor">#if defined(POLARSSL_THREADING_C)</span></div>
<div class="line"><a name="l00327"></a><span class="lineno"> 327</span> <span class="preprocessor"></span> <a class="code" href="threading_8h.html#a3f71f2d457fdf4f03268eb731abf3a98">polarssl_mutex_unlock</a>( &ctx->mutex );</div>
<div class="line"><a name="l00328"></a><span class="lineno"> 328</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00329"></a><span class="lineno"> 329</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00330"></a><span class="lineno"> 330</span>  <span class="keywordflow">return</span>( ret );</div>
<div class="line"><a name="l00331"></a><span class="lineno"> 331</span> }</div>
<div class="line"><a name="l00332"></a><span class="lineno"> 332</span> <span class="preprocessor">#endif </span><span class="comment">/* !POLARSSL_RSA_NO_CRT */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00333"></a><span class="lineno"> 333</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00334"></a><span class="lineno"> 334</span> <span class="comment">/*</span></div>
<div class="line"><a name="l00335"></a><span class="lineno"> 335</span> <span class="comment"> * Do an RSA private key operation</span></div>
<div class="line"><a name="l00336"></a><span class="lineno"> 336</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00337"></a><span class="lineno"> 337</span> <span class="keywordtype">int</span> <a class="code" href="rsa_8h.html#a305bf558a7137a1037d3f0c536060f06">rsa_private</a>( <a class="code" href="structrsa__context.html">rsa_context</a> *ctx,</div>
<div class="line"><a name="l00338"></a><span class="lineno"> 338</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="l00339"></a><span class="lineno"> 339</span>  <span class="keywordtype">void</span> *p_rng,</div>
<div class="line"><a name="l00340"></a><span class="lineno"> 340</span>  <span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *input,</div>
<div class="line"><a name="l00341"></a><span class="lineno"> 341</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *output )</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">int</span> ret;</div>
<div class="line"><a name="l00344"></a><span class="lineno"> 344</span>  <span class="keywordtype">size_t</span> olen;</div>
<div class="line"><a name="l00345"></a><span class="lineno"> 345</span>  <a class="code" href="structmpi.html">mpi</a> T, T1, T2;</div>
<div class="line"><a name="l00346"></a><span class="lineno"> 346</span> <span class="preprocessor">#if !defined(POLARSSL_RSA_NO_CRT)</span></div>
<div class="line"><a name="l00347"></a><span class="lineno"> 347</span> <span class="preprocessor"></span> <a class="code" href="structmpi.html">mpi</a> *Vi, *Vf;</div>
<div class="line"><a name="l00348"></a><span class="lineno"> 348</span> </div>
<div class="line"><a name="l00349"></a><span class="lineno"> 349</span>  <span class="comment">/*</span></div>
<div class="line"><a name="l00350"></a><span class="lineno"> 350</span> <span class="comment"> * When using the Chinese Remainder Theorem, we use blinding values.</span></div>
<div class="line"><a name="l00351"></a><span class="lineno"> 351</span> <span class="comment"> * Without threading, we just read them directly from the context,</span></div>
<div class="line"><a name="l00352"></a><span class="lineno"> 352</span> <span class="comment"> * otherwise we make a local copy in order to reduce locking contention.</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="preprocessor">#if defined(POLARSSL_THREADING_C)</span></div>
<div class="line"><a name="l00355"></a><span class="lineno"> 355</span> <span class="preprocessor"></span> <a class="code" href="structmpi.html">mpi</a> Vi_copy, Vf_copy;</div>
<div class="line"><a name="l00356"></a><span class="lineno"> 356</span> </div>
<div class="line"><a name="l00357"></a><span class="lineno"> 357</span>  <a class="code" href="bignum_8h.html#a201666869f65225d6535bcc697f95c9b">mpi_init</a>( &Vi_copy ); <a class="code" href="bignum_8h.html#a201666869f65225d6535bcc697f95c9b">mpi_init</a>( &Vf_copy );</div>
<div class="line"><a name="l00358"></a><span class="lineno"> 358</span>  Vi = &Vi_copy;</div>
<div class="line"><a name="l00359"></a><span class="lineno"> 359</span>  Vf = &Vf_copy;</div>
<div class="line"><a name="l00360"></a><span class="lineno"> 360</span> <span class="preprocessor">#else</span></div>
<div class="line"><a name="l00361"></a><span class="lineno"> 361</span> <span class="preprocessor"></span> Vi = &ctx-><a class="code" href="structrsa__context.html#a83cca59d355689bc62db8ee505489d8c">Vi</a>;</div>
<div class="line"><a name="l00362"></a><span class="lineno"> 362</span>  Vf = &ctx-><a class="code" href="structrsa__context.html#a76c7d476300150b3968cb77622238fbe">Vf</a>;</div>
<div class="line"><a name="l00363"></a><span class="lineno"> 363</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00364"></a><span class="lineno"> 364</span> <span class="preprocessor"></span><span class="preprocessor">#endif </span><span class="comment">/* !POLARSSL_RSA_NO_CRT */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00365"></a><span class="lineno"> 365</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00366"></a><span class="lineno"> 366</span>  <a class="code" href="bignum_8h.html#a201666869f65225d6535bcc697f95c9b">mpi_init</a>( &T ); <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="l00367"></a><span class="lineno"> 367</span> </div>
<div class="line"><a name="l00368"></a><span class="lineno"> 368</span>  <a class="code" href="bignum_8h.html#a024b186dd3608bcbcfc9dd36212a18ec">MPI_CHK</a>( <a class="code" href="bignum_8h.html#a0235008cccbf00b8bc03699de8094819">mpi_read_binary</a>( &T, input, ctx-><a class="code" href="structrsa__context.html#a8b9aaee69b8d73b0567a2bca7c78b173">len</a> ) );</div>
<div class="line"><a name="l00369"></a><span class="lineno"> 369</span>  <span class="keywordflow">if</span>( <a class="code" href="bignum_8h.html#aec20dff9d78738e3c80b212df9875b83">mpi_cmp_mpi</a>( &T, &ctx-><a class="code" href="structrsa__context.html#a2f44f168531d8470e7831fd49aea9ae0">N</a> ) >= 0 )</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>  <a class="code" href="bignum_8h.html#ae1f6507671587755e46bbf0afcae6a8c">mpi_free</a>( &T );</div>
<div class="line"><a name="l00372"></a><span class="lineno"> 372</span>  <span class="keywordflow">return</span>( <a class="code" href="rsa_8h.html#aa30403951a6242045d0b47e2b51eccb0">POLARSSL_ERR_RSA_BAD_INPUT_DATA</a> );</div>
<div class="line"><a name="l00373"></a><span class="lineno"> 373</span>  }</div>
<div class="line"><a name="l00374"></a><span class="lineno"> 374</span> </div>
<div class="line"><a name="l00375"></a><span class="lineno"> 375</span> <span class="preprocessor">#if defined(POLARSSL_RSA_NO_CRT)</span></div>
<div class="line"><a name="l00376"></a><span class="lineno"> 376</span> <span class="preprocessor"></span> ((void) f_rng);</div>
<div class="line"><a name="l00377"></a><span class="lineno"> 377</span>  ((void) p_rng);</div>
<div class="line"><a name="l00378"></a><span class="lineno"> 378</span>  <a class="code" href="bignum_8h.html#a024b186dd3608bcbcfc9dd36212a18ec">MPI_CHK</a>( <a class="code" href="bignum_8h.html#a84befed1943a584332e0599605b0d3fe">mpi_exp_mod</a>( &T, &T, &ctx-><a class="code" href="structrsa__context.html#af3078ae226d6b5aa335af77a6d46317e">D</a>, &ctx-><a class="code" href="structrsa__context.html#a2f44f168531d8470e7831fd49aea9ae0">N</a>, &ctx-><a class="code" href="structrsa__context.html#a9d76414e85030ddf011b24d8a8bc4f9f">RN</a> ) );</div>
<div class="line"><a name="l00379"></a><span class="lineno"> 379</span> <span class="preprocessor">#else</span></div>
<div class="line"><a name="l00380"></a><span class="lineno"> 380</span> <span class="preprocessor"></span> <span class="keywordflow">if</span>( f_rng != NULL )</div>
<div class="line"><a name="l00381"></a><span class="lineno"> 381</span>  {</div>
<div class="line"><a name="l00382"></a><span class="lineno"> 382</span>  <span class="comment">/*</span></div>
<div class="line"><a name="l00383"></a><span class="lineno"> 383</span> <span class="comment"> * Blinding</span></div>
<div class="line"><a name="l00384"></a><span class="lineno"> 384</span> <span class="comment"> * T = T * Vi mod N</span></div>
<div class="line"><a name="l00385"></a><span class="lineno"> 385</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00386"></a><span class="lineno"> 386</span>  <a class="code" href="bignum_8h.html#a024b186dd3608bcbcfc9dd36212a18ec">MPI_CHK</a>( rsa_prepare_blinding( ctx, Vi, Vf, f_rng, p_rng ) );</div>
<div class="line"><a name="l00387"></a><span class="lineno"> 387</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, &T, Vi ) );</div>
<div class="line"><a name="l00388"></a><span class="lineno"> 388</span>  <a class="code" href="bignum_8h.html#a024b186dd3608bcbcfc9dd36212a18ec">MPI_CHK</a>( <a class="code" href="bignum_8h.html#a075d3cf21cb3733e5f0a872e72b0cd15">mpi_mod_mpi</a>( &T, &T, &ctx-><a class="code" href="structrsa__context.html#a2f44f168531d8470e7831fd49aea9ae0">N</a> ) );</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> </div>
<div class="line"><a name="l00391"></a><span class="lineno"> 391</span>  <span class="comment">/*</span></div>
<div class="line"><a name="l00392"></a><span class="lineno"> 392</span> <span class="comment"> * faster decryption using the CRT</span></div>
<div class="line"><a name="l00393"></a><span class="lineno"> 393</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00394"></a><span class="lineno"> 394</span> <span class="comment"> * T1 = input ^ dP mod P</span></div>
<div class="line"><a name="l00395"></a><span class="lineno"> 395</span> <span class="comment"> * T2 = input ^ dQ mod Q</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>  <a class="code" href="bignum_8h.html#a024b186dd3608bcbcfc9dd36212a18ec">MPI_CHK</a>( <a class="code" href="bignum_8h.html#a84befed1943a584332e0599605b0d3fe">mpi_exp_mod</a>( &T1, &T, &ctx-><a class="code" href="structrsa__context.html#ad3a4b21e847d540a9bf1b680f0c05880">DP</a>, &ctx-><a class="code" href="structrsa__context.html#a352c64edb7488633ddbca88d1a9966c9">P</a>, &ctx-><a class="code" href="structrsa__context.html#ad00a9b5de055f5cf9d109dd4382b3105">RP</a> ) );</div>
<div class="line"><a name="l00398"></a><span class="lineno"> 398</span>  <a class="code" href="bignum_8h.html#a024b186dd3608bcbcfc9dd36212a18ec">MPI_CHK</a>( <a class="code" href="bignum_8h.html#a84befed1943a584332e0599605b0d3fe">mpi_exp_mod</a>( &T2, &T, &ctx-><a class="code" href="structrsa__context.html#a42fb604a95bea6fc9640715babb8d415">DQ</a>, &ctx-><a class="code" href="structrsa__context.html#a94bb2c66e84581a0d854f1fc7f6672d8">Q</a>, &ctx-><a class="code" href="structrsa__context.html#a286dcd56958215be3d8e6195456952a2">RQ</a> ) );</div>
<div class="line"><a name="l00399"></a><span class="lineno"> 399</span> </div>
<div class="line"><a name="l00400"></a><span class="lineno"> 400</span>  <span class="comment">/*</span></div>
<div class="line"><a name="l00401"></a><span class="lineno"> 401</span> <span class="comment"> * T = (T1 - T2) * (Q^-1 mod P) mod P</span></div>
<div class="line"><a name="l00402"></a><span class="lineno"> 402</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00403"></a><span class="lineno"> 403</span>  <a class="code" href="bignum_8h.html#a024b186dd3608bcbcfc9dd36212a18ec">MPI_CHK</a>( <a class="code" href="bignum_8h.html#a149a13ed93fddb432fb5edd3126b1186">mpi_sub_mpi</a>( &T, &T1, &T2 ) );</div>
<div class="line"><a name="l00404"></a><span class="lineno"> 404</span>  <a class="code" href="bignum_8h.html#a024b186dd3608bcbcfc9dd36212a18ec">MPI_CHK</a>( <a class="code" href="bignum_8h.html#ab63bfb07b27db84268491cd7d68bddc0">mpi_mul_mpi</a>( &T1, &T, &ctx-><a class="code" href="structrsa__context.html#a364bfb0ef6d240c39053f603ee1cbeca">QP</a> ) );</div>
<div class="line"><a name="l00405"></a><span class="lineno"> 405</span>  <a class="code" href="bignum_8h.html#a024b186dd3608bcbcfc9dd36212a18ec">MPI_CHK</a>( <a class="code" href="bignum_8h.html#a075d3cf21cb3733e5f0a872e72b0cd15">mpi_mod_mpi</a>( &T, &T1, &ctx-><a class="code" href="structrsa__context.html#a352c64edb7488633ddbca88d1a9966c9">P</a> ) );</div>
<div class="line"><a name="l00406"></a><span class="lineno"> 406</span> </div>
<div class="line"><a name="l00407"></a><span class="lineno"> 407</span>  <span class="comment">/*</span></div>
<div class="line"><a name="l00408"></a><span class="lineno"> 408</span> <span class="comment"> * T = T2 + T * Q</span></div>
<div class="line"><a name="l00409"></a><span class="lineno"> 409</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00410"></a><span class="lineno"> 410</span>  <a class="code" href="bignum_8h.html#a024b186dd3608bcbcfc9dd36212a18ec">MPI_CHK</a>( <a class="code" href="bignum_8h.html#ab63bfb07b27db84268491cd7d68bddc0">mpi_mul_mpi</a>( &T1, &T, &ctx-><a class="code" href="structrsa__context.html#a94bb2c66e84581a0d854f1fc7f6672d8">Q</a> ) );</div>
<div class="line"><a name="l00411"></a><span class="lineno"> 411</span>  <a class="code" href="bignum_8h.html#a024b186dd3608bcbcfc9dd36212a18ec">MPI_CHK</a>( <a class="code" href="bignum_8h.html#adf5b20e8d8c0a660e4f59f859a0bee18">mpi_add_mpi</a>( &T, &T2, &T1 ) );</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>( f_rng != NULL )</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>  <span class="comment">/*</span></div>
<div class="line"><a name="l00416"></a><span class="lineno"> 416</span> <span class="comment"> * Unblind</span></div>
<div class="line"><a name="l00417"></a><span class="lineno"> 417</span> <span class="comment"> * T = T * Vf mod N</span></div>
<div class="line"><a name="l00418"></a><span class="lineno"> 418</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00419"></a><span class="lineno"> 419</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, &T, Vf ) );</div>
<div class="line"><a name="l00420"></a><span class="lineno"> 420</span>  <a class="code" href="bignum_8h.html#a024b186dd3608bcbcfc9dd36212a18ec">MPI_CHK</a>( <a class="code" href="bignum_8h.html#a075d3cf21cb3733e5f0a872e72b0cd15">mpi_mod_mpi</a>( &T, &T, &ctx-><a class="code" href="structrsa__context.html#a2f44f168531d8470e7831fd49aea9ae0">N</a> ) );</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="preprocessor">#endif </span><span class="comment">/* POLARSSL_RSA_NO_CRT */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00423"></a><span class="lineno"> 423</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00424"></a><span class="lineno"> 424</span>  olen = ctx-><a class="code" href="structrsa__context.html#a8b9aaee69b8d73b0567a2bca7c78b173">len</a>;</div>
<div class="line"><a name="l00425"></a><span class="lineno"> 425</span>  <a class="code" href="bignum_8h.html#a024b186dd3608bcbcfc9dd36212a18ec">MPI_CHK</a>( <a class="code" href="bignum_8h.html#a5d464b4312859ce4969d114eb5e02741">mpi_write_binary</a>( &T, output, olen ) );</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> cleanup:</div>
<div class="line"><a name="l00428"></a><span class="lineno"> 428</span>  <a class="code" href="bignum_8h.html#ae1f6507671587755e46bbf0afcae6a8c">mpi_free</a>( &T ); <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="l00429"></a><span class="lineno"> 429</span> <span class="preprocessor">#if !defined(POLARSSL_RSA_NO_CRT) && defined(POLARSSL_THREADING_C)</span></div>
<div class="line"><a name="l00430"></a><span class="lineno"> 430</span> <span class="preprocessor"></span> <a class="code" href="bignum_8h.html#ae1f6507671587755e46bbf0afcae6a8c">mpi_free</a>( &Vi_copy ); <a class="code" href="bignum_8h.html#ae1f6507671587755e46bbf0afcae6a8c">mpi_free</a>( &Vf_copy );</div>
<div class="line"><a name="l00431"></a><span class="lineno"> 431</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00432"></a><span class="lineno"> 432</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00433"></a><span class="lineno"> 433</span>  <span class="keywordflow">if</span>( ret != 0 )</div>
<div class="line"><a name="l00434"></a><span class="lineno"> 434</span>  <span class="keywordflow">return</span>( <a class="code" href="rsa_8h.html#a44f5543dce7fc29b240a516e68acd019">POLARSSL_ERR_RSA_PRIVATE_FAILED</a> + ret );</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">return</span>( 0 );</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> </div>
<div class="line"><a name="l00439"></a><span class="lineno"> 439</span> <span class="preprocessor">#if defined(POLARSSL_PKCS1_V21)</span></div>
<div class="line"><a name="l00440"></a><span class="lineno"> 440</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00449"></a><span class="lineno"> 449</span> <span class="keyword">static</span> <span class="keywordtype">void</span> mgf_mask( <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *dst, <span class="keywordtype">size_t</span> dlen, <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *src,</div>
<div class="line"><a name="l00450"></a><span class="lineno"> 450</span>  <span class="keywordtype">size_t</span> slen, <a class="code" href="structmd__context__t.html">md_context_t</a> *md_ctx )</div>
<div class="line"><a name="l00451"></a><span class="lineno"> 451</span> {</div>
<div class="line"><a name="l00452"></a><span class="lineno"> 452</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> mask[<a class="code" href="md_8h.html#a38c76a15d6a3874f898f3dc60750dde1">POLARSSL_MD_MAX_SIZE</a>];</div>
<div class="line"><a name="l00453"></a><span class="lineno"> 453</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> counter[4];</div>
<div class="line"><a name="l00454"></a><span class="lineno"> 454</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *p;</div>
<div class="line"><a name="l00455"></a><span class="lineno"> 455</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> hlen;</div>
<div class="line"><a name="l00456"></a><span class="lineno"> 456</span>  <span class="keywordtype">size_t</span> i, use_len;</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>  memset( mask, 0, <a class="code" href="md_8h.html#a38c76a15d6a3874f898f3dc60750dde1">POLARSSL_MD_MAX_SIZE</a> );</div>
<div class="line"><a name="l00459"></a><span class="lineno"> 459</span>  memset( counter, 0, 4 );</div>
<div class="line"><a name="l00460"></a><span class="lineno"> 460</span> </div>
<div class="line"><a name="l00461"></a><span class="lineno"> 461</span>  hlen = md_ctx-><a class="code" href="structmd__context__t.html#aa6e406b09866de4f065071fd0ae5b3f2">md_info</a>-><a class="code" href="structmd__info__t.html#aedb1e12797791c9b7f5545bda6e3172d">size</a>;</div>
<div class="line"><a name="l00462"></a><span class="lineno"> 462</span> </div>
<div class="line"><a name="l00463"></a><span class="lineno"> 463</span>  <span class="comment">// Generate and apply dbMask</span></div>
<div class="line"><a name="l00464"></a><span class="lineno"> 464</span>  <span class="comment">//</span></div>
<div class="line"><a name="l00465"></a><span class="lineno"> 465</span>  p = dst;</div>
<div class="line"><a name="l00466"></a><span class="lineno"> 466</span> </div>
<div class="line"><a name="l00467"></a><span class="lineno"> 467</span>  <span class="keywordflow">while</span>( dlen > 0 )</div>
<div class="line"><a name="l00468"></a><span class="lineno"> 468</span>  {</div>
<div class="line"><a name="l00469"></a><span class="lineno"> 469</span>  use_len = hlen;</div>
<div class="line"><a name="l00470"></a><span class="lineno"> 470</span>  <span class="keywordflow">if</span>( dlen < hlen )</div>
<div class="line"><a name="l00471"></a><span class="lineno"> 471</span>  use_len = dlen;</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>  <a class="code" href="md_8h.html#a4362ff554b0e3b934a1e3c3b6496fa42">md_starts</a>( md_ctx );</div>
<div class="line"><a name="l00474"></a><span class="lineno"> 474</span>  <a class="code" href="md_8h.html#aeee048646a981f3aa4810609e3bf8787">md_update</a>( md_ctx, src, slen );</div>
<div class="line"><a name="l00475"></a><span class="lineno"> 475</span>  <a class="code" href="md_8h.html#aeee048646a981f3aa4810609e3bf8787">md_update</a>( md_ctx, counter, 4 );</div>
<div class="line"><a name="l00476"></a><span class="lineno"> 476</span>  <a class="code" href="md_8h.html#ac8d5acb64d8b392ab9e957e1368644ed">md_finish</a>( md_ctx, mask );</div>
<div class="line"><a name="l00477"></a><span class="lineno"> 477</span> </div>
<div class="line"><a name="l00478"></a><span class="lineno"> 478</span>  <span class="keywordflow">for</span>( i = 0; i < use_len; ++i )</div>
<div class="line"><a name="l00479"></a><span class="lineno"> 479</span>  *p++ ^= mask[i];</div>
<div class="line"><a name="l00480"></a><span class="lineno"> 480</span> </div>
<div class="line"><a name="l00481"></a><span class="lineno"> 481</span>  counter[3]++;</div>
<div class="line"><a name="l00482"></a><span class="lineno"> 482</span> </div>
<div class="line"><a name="l00483"></a><span class="lineno"> 483</span>  dlen -= use_len;</div>
<div class="line"><a name="l00484"></a><span class="lineno"> 484</span>  }</div>
<div class="line"><a name="l00485"></a><span class="lineno"> 485</span> }</div>
<div class="line"><a name="l00486"></a><span class="lineno"> 486</span> <span class="preprocessor">#endif </span><span class="comment">/* POLARSSL_PKCS1_V21 */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00487"></a><span class="lineno"> 487</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00488"></a><span class="lineno"> 488</span> <span class="preprocessor">#if defined(POLARSSL_PKCS1_V21)</span></div>
<div class="line"><a name="l00489"></a><span class="lineno"> 489</span> <span class="preprocessor"></span><span class="comment">/*</span></div>
<div class="line"><a name="l00490"></a><span class="lineno"> 490</span> <span class="comment"> * Implementation of the PKCS#1 v2.1 RSAES-OAEP-ENCRYPT function</span></div>
<div class="line"><a name="l00491"></a><span class="lineno"> 491</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00492"></a><span class="lineno"> 492</span> <span class="keywordtype">int</span> <a class="code" href="rsa_8h.html#a7aa223539fe35b57b8a221fc9921b116">rsa_rsaes_oaep_encrypt</a>( <a class="code" href="structrsa__context.html">rsa_context</a> *ctx,</div>
<div class="line"><a name="l00493"></a><span class="lineno"> 493</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="l00494"></a><span class="lineno"> 494</span>  <span class="keywordtype">void</span> *p_rng,</div>
<div class="line"><a name="l00495"></a><span class="lineno"> 495</span>  <span class="keywordtype">int</span> mode,</div>
<div class="line"><a name="l00496"></a><span class="lineno"> 496</span>  <span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *label, <span class="keywordtype">size_t</span> label_len,</div>
<div class="line"><a name="l00497"></a><span class="lineno"> 497</span>  <span class="keywordtype">size_t</span> ilen,</div>
<div class="line"><a name="l00498"></a><span class="lineno"> 498</span>  <span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *input,</div>
<div class="line"><a name="l00499"></a><span class="lineno"> 499</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *output )</div>
<div class="line"><a name="l00500"></a><span class="lineno"> 500</span> {</div>
<div class="line"><a name="l00501"></a><span class="lineno"> 501</span>  <span class="keywordtype">size_t</span> olen;</div>
<div class="line"><a name="l00502"></a><span class="lineno"> 502</span>  <span class="keywordtype">int</span> ret;</div>
<div class="line"><a name="l00503"></a><span class="lineno"> 503</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *p = output;</div>
<div class="line"><a name="l00504"></a><span class="lineno"> 504</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> hlen;</div>
<div class="line"><a name="l00505"></a><span class="lineno"> 505</span>  <span class="keyword">const</span> <a class="code" href="structmd__info__t.html">md_info_t</a> *md_info;</div>
<div class="line"><a name="l00506"></a><span class="lineno"> 506</span>  <a class="code" href="structmd__context__t.html">md_context_t</a> md_ctx;</div>
<div class="line"><a name="l00507"></a><span class="lineno"> 507</span> </div>
<div class="line"><a name="l00508"></a><span class="lineno"> 508</span>  <span class="keywordflow">if</span>( mode == <a class="code" href="rsa_8h.html#aeaabdd3bae85e564beb1ae9843169eb9">RSA_PRIVATE</a> && ctx-><a class="code" href="structrsa__context.html#ac2599f716413534b2925670d5523c6bf">padding</a> != <a class="code" href="rsa_8h.html#ade2521c3c28b0f5b222fdef75f9f87e9">RSA_PKCS_V21</a> )</div>
<div class="line"><a name="l00509"></a><span class="lineno"> 509</span>  <span class="keywordflow">return</span>( <a class="code" href="rsa_8h.html#aa30403951a6242045d0b47e2b51eccb0">POLARSSL_ERR_RSA_BAD_INPUT_DATA</a> );</div>
<div class="line"><a name="l00510"></a><span class="lineno"> 510</span> </div>
<div class="line"><a name="l00511"></a><span class="lineno"> 511</span>  <span class="keywordflow">if</span>( f_rng == NULL )</div>
<div class="line"><a name="l00512"></a><span class="lineno"> 512</span>  <span class="keywordflow">return</span>( <a class="code" href="rsa_8h.html#aa30403951a6242045d0b47e2b51eccb0">POLARSSL_ERR_RSA_BAD_INPUT_DATA</a> );</div>
<div class="line"><a name="l00513"></a><span class="lineno"> 513</span> </div>
<div class="line"><a name="l00514"></a><span class="lineno"> 514</span>  md_info = <a class="code" href="md_8h.html#a622c94870533dc68f54b8df520d2c6d9">md_info_from_type</a>( ctx-><a class="code" href="structrsa__context.html#a735bfa601f5fe16e563da0cab79fdb7b">hash_id</a> );</div>
<div class="line"><a name="l00515"></a><span class="lineno"> 515</span>  <span class="keywordflow">if</span>( md_info == NULL )</div>
<div class="line"><a name="l00516"></a><span class="lineno"> 516</span>  <span class="keywordflow">return</span>( <a class="code" href="rsa_8h.html#aa30403951a6242045d0b47e2b51eccb0">POLARSSL_ERR_RSA_BAD_INPUT_DATA</a> );</div>
<div class="line"><a name="l00517"></a><span class="lineno"> 517</span> </div>
<div class="line"><a name="l00518"></a><span class="lineno"> 518</span>  olen = ctx-><a class="code" href="structrsa__context.html#a8b9aaee69b8d73b0567a2bca7c78b173">len</a>;</div>
<div class="line"><a name="l00519"></a><span class="lineno"> 519</span>  hlen = <a class="code" href="md_8h.html#a3e688fee63e53a616d031d6319c07372">md_get_size</a>( md_info );</div>
<div class="line"><a name="l00520"></a><span class="lineno"> 520</span> </div>
<div class="line"><a name="l00521"></a><span class="lineno"> 521</span>  <span class="keywordflow">if</span>( olen < ilen + 2 * hlen + 2 )</div>
<div class="line"><a name="l00522"></a><span class="lineno"> 522</span>  <span class="keywordflow">return</span>( <a class="code" href="rsa_8h.html#aa30403951a6242045d0b47e2b51eccb0">POLARSSL_ERR_RSA_BAD_INPUT_DATA</a> );</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>  memset( output, 0, olen );</div>
<div class="line"><a name="l00525"></a><span class="lineno"> 525</span> </div>
<div class="line"><a name="l00526"></a><span class="lineno"> 526</span>  *p++ = 0;</div>
<div class="line"><a name="l00527"></a><span class="lineno"> 527</span> </div>
<div class="line"><a name="l00528"></a><span class="lineno"> 528</span>  <span class="comment">// Generate a random octet string seed</span></div>
<div class="line"><a name="l00529"></a><span class="lineno"> 529</span>  <span class="comment">//</span></div>
<div class="line"><a name="l00530"></a><span class="lineno"> 530</span>  <span class="keywordflow">if</span>( ( ret = f_rng( p_rng, p, hlen ) ) != 0 )</div>
<div class="line"><a name="l00531"></a><span class="lineno"> 531</span>  <span class="keywordflow">return</span>( <a class="code" href="rsa_8h.html#a07f72608ba6249132c9a6cf497f0371d">POLARSSL_ERR_RSA_RNG_FAILED</a> + ret );</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>  p += hlen;</div>
<div class="line"><a name="l00534"></a><span class="lineno"> 534</span> </div>
<div class="line"><a name="l00535"></a><span class="lineno"> 535</span>  <span class="comment">// Construct DB</span></div>
<div class="line"><a name="l00536"></a><span class="lineno"> 536</span>  <span class="comment">//</span></div>
<div class="line"><a name="l00537"></a><span class="lineno"> 537</span>  <a class="code" href="md_8h.html#aae13853f5988bdef5c27ee475ba1295f">md</a>( md_info, label, label_len, p );</div>
<div class="line"><a name="l00538"></a><span class="lineno"> 538</span>  p += hlen;</div>
<div class="line"><a name="l00539"></a><span class="lineno"> 539</span>  p += olen - 2 * hlen - 2 - ilen;</div>
<div class="line"><a name="l00540"></a><span class="lineno"> 540</span>  *p++ = 1;</div>
<div class="line"><a name="l00541"></a><span class="lineno"> 541</span>  memcpy( p, input, ilen );</div>
<div class="line"><a name="l00542"></a><span class="lineno"> 542</span> </div>
<div class="line"><a name="l00543"></a><span class="lineno"> 543</span>  <a class="code" href="md_8h.html#ae75802b88b5126acc245530be7d9607b">md_init</a>( &md_ctx );</div>
<div class="line"><a name="l00544"></a><span class="lineno"> 544</span>  <a class="code" href="md_8h.html#a7c956b5c92531111312324c91b6d83f9">md_init_ctx</a>( &md_ctx, md_info );</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="comment">// maskedDB: Apply dbMask to DB</span></div>
<div class="line"><a name="l00547"></a><span class="lineno"> 547</span>  <span class="comment">//</span></div>
<div class="line"><a name="l00548"></a><span class="lineno"> 548</span>  mgf_mask( output + hlen + 1, olen - hlen - 1, output + 1, hlen,</div>
<div class="line"><a name="l00549"></a><span class="lineno"> 549</span>  &md_ctx );</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>  <span class="comment">// maskedSeed: Apply seedMask to seed</span></div>
<div class="line"><a name="l00552"></a><span class="lineno"> 552</span>  <span class="comment">//</span></div>
<div class="line"><a name="l00553"></a><span class="lineno"> 553</span>  mgf_mask( output + 1, hlen, output + hlen + 1, olen - hlen - 1,</div>
<div class="line"><a name="l00554"></a><span class="lineno"> 554</span>  &md_ctx );</div>
<div class="line"><a name="l00555"></a><span class="lineno"> 555</span> </div>
<div class="line"><a name="l00556"></a><span class="lineno"> 556</span>  <a class="code" href="md_8h.html#ac4b9dc3bf86a40ac6829eba973b8579e">md_free</a>( &md_ctx );</div>
<div class="line"><a name="l00557"></a><span class="lineno"> 557</span> </div>
<div class="line"><a name="l00558"></a><span class="lineno"> 558</span>  <span class="keywordflow">return</span>( ( mode == <a class="code" href="rsa_8h.html#a1f00bab389d3db27a115db74e32be727">RSA_PUBLIC</a> )</div>
<div class="line"><a name="l00559"></a><span class="lineno"> 559</span>  ? <a class="code" href="rsa_8h.html#a29709d2f3d05d833b28081b743f9815f">rsa_public</a>( ctx, output, output )</div>
<div class="line"><a name="l00560"></a><span class="lineno"> 560</span>  : <a class="code" href="rsa_8h.html#a305bf558a7137a1037d3f0c536060f06">rsa_private</a>( ctx, f_rng, p_rng, output, output ) );</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">#endif </span><span class="comment">/* POLARSSL_PKCS1_V21 */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00563"></a><span class="lineno"> 563</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00564"></a><span class="lineno"> 564</span> <span class="preprocessor">#if defined(POLARSSL_PKCS1_V15)</span></div>
<div class="line"><a name="l00565"></a><span class="lineno"> 565</span> <span class="preprocessor"></span><span class="comment">/*</span></div>
<div class="line"><a name="l00566"></a><span class="lineno"> 566</span> <span class="comment"> * Implementation of the PKCS#1 v2.1 RSAES-PKCS1-V1_5-ENCRYPT function</span></div>
<div class="line"><a name="l00567"></a><span class="lineno"> 567</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00568"></a><span class="lineno"> 568</span> <span class="keywordtype">int</span> <a class="code" href="rsa_8h.html#a63c6784b611700b05a8e613a9e33f7cc">rsa_rsaes_pkcs1_v15_encrypt</a>( <a class="code" href="structrsa__context.html">rsa_context</a> *ctx,</div>
<div class="line"><a name="l00569"></a><span class="lineno"> 569</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="l00570"></a><span class="lineno"> 570</span>  <span class="keywordtype">void</span> *p_rng,</div>
<div class="line"><a name="l00571"></a><span class="lineno"> 571</span>  <span class="keywordtype">int</span> mode, <span class="keywordtype">size_t</span> ilen,</div>
<div class="line"><a name="l00572"></a><span class="lineno"> 572</span>  <span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *input,</div>
<div class="line"><a name="l00573"></a><span class="lineno"> 573</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *output )</div>
<div class="line"><a name="l00574"></a><span class="lineno"> 574</span> {</div>
<div class="line"><a name="l00575"></a><span class="lineno"> 575</span>  <span class="keywordtype">size_t</span> nb_pad, olen;</div>
<div class="line"><a name="l00576"></a><span class="lineno"> 576</span>  <span class="keywordtype">int</span> ret;</div>
<div class="line"><a name="l00577"></a><span class="lineno"> 577</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *p = output;</div>
<div class="line"><a name="l00578"></a><span class="lineno"> 578</span> </div>
<div class="line"><a name="l00579"></a><span class="lineno"> 579</span>  <span class="keywordflow">if</span>( mode == <a class="code" href="rsa_8h.html#aeaabdd3bae85e564beb1ae9843169eb9">RSA_PRIVATE</a> && ctx-><a class="code" href="structrsa__context.html#ac2599f716413534b2925670d5523c6bf">padding</a> != <a class="code" href="rsa_8h.html#acc924b6d08c92a2252fbab6c6ca5860e">RSA_PKCS_V15</a> )</div>
<div class="line"><a name="l00580"></a><span class="lineno"> 580</span>  <span class="keywordflow">return</span>( <a class="code" href="rsa_8h.html#aa30403951a6242045d0b47e2b51eccb0">POLARSSL_ERR_RSA_BAD_INPUT_DATA</a> );</div>
<div class="line"><a name="l00581"></a><span class="lineno"> 581</span> </div>
<div class="line"><a name="l00582"></a><span class="lineno"> 582</span>  <span class="keywordflow">if</span>( f_rng == NULL )</div>
<div class="line"><a name="l00583"></a><span class="lineno"> 583</span>  <span class="keywordflow">return</span>( <a class="code" href="rsa_8h.html#aa30403951a6242045d0b47e2b51eccb0">POLARSSL_ERR_RSA_BAD_INPUT_DATA</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>  olen = ctx-><a class="code" href="structrsa__context.html#a8b9aaee69b8d73b0567a2bca7c78b173">len</a>;</div>
<div class="line"><a name="l00586"></a><span class="lineno"> 586</span> </div>
<div class="line"><a name="l00587"></a><span class="lineno"> 587</span>  <span class="keywordflow">if</span>( olen < ilen + 11 )</div>
<div class="line"><a name="l00588"></a><span class="lineno"> 588</span>  <span class="keywordflow">return</span>( <a class="code" href="rsa_8h.html#aa30403951a6242045d0b47e2b51eccb0">POLARSSL_ERR_RSA_BAD_INPUT_DATA</a> );</div>
<div class="line"><a name="l00589"></a><span class="lineno"> 589</span> </div>
<div class="line"><a name="l00590"></a><span class="lineno"> 590</span>  nb_pad = olen - 3 - ilen;</div>
<div class="line"><a name="l00591"></a><span class="lineno"> 591</span> </div>
<div class="line"><a name="l00592"></a><span class="lineno"> 592</span>  *p++ = 0;</div>
<div class="line"><a name="l00593"></a><span class="lineno"> 593</span>  <span class="keywordflow">if</span>( mode == <a class="code" href="rsa_8h.html#a1f00bab389d3db27a115db74e32be727">RSA_PUBLIC</a> )</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>  *p++ = <a class="code" href="rsa_8h.html#afdeb08b89f455b4c80a8283a1559b97d">RSA_CRYPT</a>;</div>
<div class="line"><a name="l00596"></a><span class="lineno"> 596</span> </div>
<div class="line"><a name="l00597"></a><span class="lineno"> 597</span>  <span class="keywordflow">while</span>( nb_pad-- > 0 )</div>
<div class="line"><a name="l00598"></a><span class="lineno"> 598</span>  {</div>
<div class="line"><a name="l00599"></a><span class="lineno"> 599</span>  <span class="keywordtype">int</span> rng_dl = 100;</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="keywordflow">do</span> {</div>
<div class="line"><a name="l00602"></a><span class="lineno"> 602</span>  ret = f_rng( p_rng, p, 1 );</div>
<div class="line"><a name="l00603"></a><span class="lineno"> 603</span>  } <span class="keywordflow">while</span>( *p == 0 && --rng_dl && ret == 0 );</div>
<div class="line"><a name="l00604"></a><span class="lineno"> 604</span> </div>
<div class="line"><a name="l00605"></a><span class="lineno"> 605</span>  <span class="comment">// Check if RNG failed to generate data</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="keywordflow">if</span>( rng_dl == 0 || ret != 0 )</div>
<div class="line"><a name="l00608"></a><span class="lineno"> 608</span>  <span class="keywordflow">return</span>( <a class="code" href="rsa_8h.html#a07f72608ba6249132c9a6cf497f0371d">POLARSSL_ERR_RSA_RNG_FAILED</a> + ret );</div>
<div class="line"><a name="l00609"></a><span class="lineno"> 609</span> </div>
<div class="line"><a name="l00610"></a><span class="lineno"> 610</span>  p++;</div>
<div class="line"><a name="l00611"></a><span class="lineno"> 611</span>  }</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>  <span class="keywordflow">else</span></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>  *p++ = <a class="code" href="rsa_8h.html#ae1bbc14f00a5c873d7770b44c412df1d">RSA_SIGN</a>;</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>  <span class="keywordflow">while</span>( nb_pad-- > 0 )</div>
<div class="line"><a name="l00618"></a><span class="lineno"> 618</span>  *p++ = 0xFF;</div>
<div class="line"><a name="l00619"></a><span class="lineno"> 619</span>  }</div>
<div class="line"><a name="l00620"></a><span class="lineno"> 620</span> </div>
<div class="line"><a name="l00621"></a><span class="lineno"> 621</span>  *p++ = 0;</div>
<div class="line"><a name="l00622"></a><span class="lineno"> 622</span>  memcpy( p, input, ilen );</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">return</span>( ( mode == <a class="code" href="rsa_8h.html#a1f00bab389d3db27a115db74e32be727">RSA_PUBLIC</a> )</div>
<div class="line"><a name="l00625"></a><span class="lineno"> 625</span>  ? <a class="code" href="rsa_8h.html#a29709d2f3d05d833b28081b743f9815f">rsa_public</a>( ctx, output, output )</div>
<div class="line"><a name="l00626"></a><span class="lineno"> 626</span>  : <a class="code" href="rsa_8h.html#a305bf558a7137a1037d3f0c536060f06">rsa_private</a>( ctx, f_rng, p_rng, output, output ) );</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="preprocessor">#endif </span><span class="comment">/* POLARSSL_PKCS1_V15 */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00629"></a><span class="lineno"> 629</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00630"></a><span class="lineno"> 630</span> <span class="comment">/*</span></div>
<div class="line"><a name="l00631"></a><span class="lineno"> 631</span> <span class="comment"> * Add the message padding, then do an RSA operation</span></div>
<div class="line"><a name="l00632"></a><span class="lineno"> 632</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00633"></a><span class="lineno"> 633</span> <span class="keywordtype">int</span> <a class="code" href="rsa_8h.html#a16791653e4d448e25944e3579f727b50">rsa_pkcs1_encrypt</a>( <a class="code" href="structrsa__context.html">rsa_context</a> *ctx,</div>
<div class="line"><a name="l00634"></a><span class="lineno"> 634</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="l00635"></a><span class="lineno"> 635</span>  <span class="keywordtype">void</span> *p_rng,</div>
<div class="line"><a name="l00636"></a><span class="lineno"> 636</span>  <span class="keywordtype">int</span> mode, <span class="keywordtype">size_t</span> ilen,</div>
<div class="line"><a name="l00637"></a><span class="lineno"> 637</span>  <span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *input,</div>
<div class="line"><a name="l00638"></a><span class="lineno"> 638</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *output )</div>
<div class="line"><a name="l00639"></a><span class="lineno"> 639</span> {</div>
<div class="line"><a name="l00640"></a><span class="lineno"> 640</span>  <span class="keywordflow">switch</span>( ctx-><a class="code" href="structrsa__context.html#ac2599f716413534b2925670d5523c6bf">padding</a> )</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="preprocessor">#if defined(POLARSSL_PKCS1_V15)</span></div>
<div class="line"><a name="l00643"></a><span class="lineno"> 643</span> <span class="preprocessor"></span> <span class="keywordflow">case</span> <a class="code" href="rsa_8h.html#acc924b6d08c92a2252fbab6c6ca5860e">RSA_PKCS_V15</a>:</div>
<div class="line"><a name="l00644"></a><span class="lineno"> 644</span>  <span class="keywordflow">return</span> <a class="code" href="rsa_8h.html#a63c6784b611700b05a8e613a9e33f7cc">rsa_rsaes_pkcs1_v15_encrypt</a>( ctx, f_rng, p_rng, mode, ilen,</div>
<div class="line"><a name="l00645"></a><span class="lineno"> 645</span>  input, output );</div>
<div class="line"><a name="l00646"></a><span class="lineno"> 646</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00647"></a><span class="lineno"> 647</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00648"></a><span class="lineno"> 648</span> <span class="preprocessor">#if defined(POLARSSL_PKCS1_V21)</span></div>
<div class="line"><a name="l00649"></a><span class="lineno"> 649</span> <span class="preprocessor"></span> <span class="keywordflow">case</span> <a class="code" href="rsa_8h.html#ade2521c3c28b0f5b222fdef75f9f87e9">RSA_PKCS_V21</a>:</div>
<div class="line"><a name="l00650"></a><span class="lineno"> 650</span>  <span class="keywordflow">return</span> <a class="code" href="rsa_8h.html#a7aa223539fe35b57b8a221fc9921b116">rsa_rsaes_oaep_encrypt</a>( ctx, f_rng, p_rng, mode, NULL, 0,</div>
<div class="line"><a name="l00651"></a><span class="lineno"> 651</span>  ilen, input, output );</div>
<div class="line"><a name="l00652"></a><span class="lineno"> 652</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00653"></a><span class="lineno"> 653</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00654"></a><span class="lineno"> 654</span>  <span class="keywordflow">default</span>:</div>
<div class="line"><a name="l00655"></a><span class="lineno"> 655</span>  <span class="keywordflow">return</span>( <a class="code" href="rsa_8h.html#a2cab7b3c4ddc3bc02ffc59db19d0400f">POLARSSL_ERR_RSA_INVALID_PADDING</a> );</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> }</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> <span class="preprocessor">#if defined(POLARSSL_PKCS1_V21)</span></div>
<div class="line"><a name="l00660"></a><span class="lineno"> 660</span> <span class="preprocessor"></span><span class="comment">/*</span></div>
<div class="line"><a name="l00661"></a><span class="lineno"> 661</span> <span class="comment"> * Implementation of the PKCS#1 v2.1 RSAES-OAEP-DECRYPT function</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="rsa_8h.html#ae89cbd38c2c40f9227326f3842d5b5da">rsa_rsaes_oaep_decrypt</a>( <a class="code" href="structrsa__context.html">rsa_context</a> *ctx,</div>
<div class="line"><a name="l00664"></a><span class="lineno"> 664</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="l00665"></a><span class="lineno"> 665</span>  <span class="keywordtype">void</span> *p_rng,</div>
<div class="line"><a name="l00666"></a><span class="lineno"> 666</span>  <span class="keywordtype">int</span> mode,</div>
<div class="line"><a name="l00667"></a><span class="lineno"> 667</span>  <span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *label, <span class="keywordtype">size_t</span> label_len,</div>
<div class="line"><a name="l00668"></a><span class="lineno"> 668</span>  <span class="keywordtype">size_t</span> *olen,</div>
<div class="line"><a name="l00669"></a><span class="lineno"> 669</span>  <span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *input,</div>
<div class="line"><a name="l00670"></a><span class="lineno"> 670</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *output,</div>
<div class="line"><a name="l00671"></a><span class="lineno"> 671</span>  <span class="keywordtype">size_t</span> output_max_len )</div>
<div class="line"><a name="l00672"></a><span class="lineno"> 672</span> {</div>
<div class="line"><a name="l00673"></a><span class="lineno"> 673</span>  <span class="keywordtype">int</span> ret;</div>
<div class="line"><a name="l00674"></a><span class="lineno"> 674</span>  <span class="keywordtype">size_t</span> ilen, i, pad_len;</div>
<div class="line"><a name="l00675"></a><span class="lineno"> 675</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *p, bad, pad_done;</div>
<div class="line"><a name="l00676"></a><span class="lineno"> 676</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="l00677"></a><span class="lineno"> 677</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> lhash[<a class="code" href="md_8h.html#a38c76a15d6a3874f898f3dc60750dde1">POLARSSL_MD_MAX_SIZE</a>];</div>
<div class="line"><a name="l00678"></a><span class="lineno"> 678</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> hlen;</div>
<div class="line"><a name="l00679"></a><span class="lineno"> 679</span>  <span class="keyword">const</span> <a class="code" href="structmd__info__t.html">md_info_t</a> *md_info;</div>
<div class="line"><a name="l00680"></a><span class="lineno"> 680</span>  <a class="code" href="structmd__context__t.html">md_context_t</a> md_ctx;</div>
<div class="line"><a name="l00681"></a><span class="lineno"> 681</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="comment"> * Parameters sanity checks</span></div>
<div class="line"><a name="l00684"></a><span class="lineno"> 684</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00685"></a><span class="lineno"> 685</span>  <span class="keywordflow">if</span>( mode == <a class="code" href="rsa_8h.html#aeaabdd3bae85e564beb1ae9843169eb9">RSA_PRIVATE</a> && ctx-><a class="code" href="structrsa__context.html#ac2599f716413534b2925670d5523c6bf">padding</a> != <a class="code" href="rsa_8h.html#ade2521c3c28b0f5b222fdef75f9f87e9">RSA_PKCS_V21</a> )</div>
<div class="line"><a name="l00686"></a><span class="lineno"> 686</span>  <span class="keywordflow">return</span>( <a class="code" href="rsa_8h.html#aa30403951a6242045d0b47e2b51eccb0">POLARSSL_ERR_RSA_BAD_INPUT_DATA</a> );</div>
<div class="line"><a name="l00687"></a><span class="lineno"> 687</span> </div>
<div class="line"><a name="l00688"></a><span class="lineno"> 688</span>  ilen = ctx-><a class="code" href="structrsa__context.html#a8b9aaee69b8d73b0567a2bca7c78b173">len</a>;</div>
<div class="line"><a name="l00689"></a><span class="lineno"> 689</span> </div>
<div class="line"><a name="l00690"></a><span class="lineno"> 690</span>  <span class="keywordflow">if</span>( ilen < 16 || ilen > <span class="keyword">sizeof</span>( buf ) )</div>
<div class="line"><a name="l00691"></a><span class="lineno"> 691</span>  <span class="keywordflow">return</span>( <a class="code" href="rsa_8h.html#aa30403951a6242045d0b47e2b51eccb0">POLARSSL_ERR_RSA_BAD_INPUT_DATA</a> );</div>
<div class="line"><a name="l00692"></a><span class="lineno"> 692</span> </div>
<div class="line"><a name="l00693"></a><span class="lineno"> 693</span>  md_info = <a class="code" href="md_8h.html#a622c94870533dc68f54b8df520d2c6d9">md_info_from_type</a>( ctx-><a class="code" href="structrsa__context.html#a735bfa601f5fe16e563da0cab79fdb7b">hash_id</a> );</div>
<div class="line"><a name="l00694"></a><span class="lineno"> 694</span>  <span class="keywordflow">if</span>( md_info == NULL )</div>
<div class="line"><a name="l00695"></a><span class="lineno"> 695</span>  <span class="keywordflow">return</span>( <a class="code" href="rsa_8h.html#aa30403951a6242045d0b47e2b51eccb0">POLARSSL_ERR_RSA_BAD_INPUT_DATA</a> );</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>  <span class="comment">/*</span></div>
<div class="line"><a name="l00698"></a><span class="lineno"> 698</span> <span class="comment"> * RSA operation</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>  ret = ( mode == <a class="code" href="rsa_8h.html#a1f00bab389d3db27a115db74e32be727">RSA_PUBLIC</a> )</div>
<div class="line"><a name="l00701"></a><span class="lineno"> 701</span>  ? <a class="code" href="rsa_8h.html#a29709d2f3d05d833b28081b743f9815f">rsa_public</a>( ctx, input, buf )</div>
<div class="line"><a name="l00702"></a><span class="lineno"> 702</span>  : <a class="code" href="rsa_8h.html#a305bf558a7137a1037d3f0c536060f06">rsa_private</a>( ctx, f_rng, p_rng, input, buf );</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">if</span>( ret != 0 )</div>
<div class="line"><a name="l00705"></a><span class="lineno"> 705</span>  <span class="keywordflow">return</span>( ret );</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="comment">/*</span></div>
<div class="line"><a name="l00708"></a><span class="lineno"> 708</span> <span class="comment"> * Unmask data and generate lHash</span></div>
<div class="line"><a name="l00709"></a><span class="lineno"> 709</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00710"></a><span class="lineno"> 710</span>  hlen = <a class="code" href="md_8h.html#a3e688fee63e53a616d031d6319c07372">md_get_size</a>( md_info );</div>
<div class="line"><a name="l00711"></a><span class="lineno"> 711</span> </div>
<div class="line"><a name="l00712"></a><span class="lineno"> 712</span>  <a class="code" href="md_8h.html#ae75802b88b5126acc245530be7d9607b">md_init</a>( &md_ctx );</div>
<div class="line"><a name="l00713"></a><span class="lineno"> 713</span>  <a class="code" href="md_8h.html#a7c956b5c92531111312324c91b6d83f9">md_init_ctx</a>( &md_ctx, md_info );</div>
<div class="line"><a name="l00714"></a><span class="lineno"> 714</span> </div>
<div class="line"><a name="l00715"></a><span class="lineno"> 715</span>  <span class="comment">/* Generate lHash */</span></div>
<div class="line"><a name="l00716"></a><span class="lineno"> 716</span>  <a class="code" href="md_8h.html#aae13853f5988bdef5c27ee475ba1295f">md</a>( md_info, label, label_len, lhash );</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>  <span class="comment">/* seed: Apply seedMask to maskedSeed */</span></div>
<div class="line"><a name="l00719"></a><span class="lineno"> 719</span>  mgf_mask( buf + 1, hlen, buf + hlen + 1, ilen - hlen - 1,</div>
<div class="line"><a name="l00720"></a><span class="lineno"> 720</span>  &md_ctx );</div>
<div class="line"><a name="l00721"></a><span class="lineno"> 721</span> </div>
<div class="line"><a name="l00722"></a><span class="lineno"> 722</span>  <span class="comment">/* DB: Apply dbMask to maskedDB */</span></div>
<div class="line"><a name="l00723"></a><span class="lineno"> 723</span>  mgf_mask( buf + hlen + 1, ilen - hlen - 1, buf + 1, hlen,</div>
<div class="line"><a name="l00724"></a><span class="lineno"> 724</span>  &md_ctx );</div>
<div class="line"><a name="l00725"></a><span class="lineno"> 725</span> </div>
<div class="line"><a name="l00726"></a><span class="lineno"> 726</span>  <a class="code" href="md_8h.html#ac4b9dc3bf86a40ac6829eba973b8579e">md_free</a>( &md_ctx );</div>
<div class="line"><a name="l00727"></a><span class="lineno"> 727</span> </div>
<div class="line"><a name="l00728"></a><span class="lineno"> 728</span>  <span class="comment">/*</span></div>
<div class="line"><a name="l00729"></a><span class="lineno"> 729</span> <span class="comment"> * Check contents, in "constant-time"</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>  p = buf;</div>
<div class="line"><a name="l00732"></a><span class="lineno"> 732</span>  bad = 0;</div>
<div class="line"><a name="l00733"></a><span class="lineno"> 733</span> </div>
<div class="line"><a name="l00734"></a><span class="lineno"> 734</span>  bad |= *p++; <span class="comment">/* First byte must be 0 */</span></div>
<div class="line"><a name="l00735"></a><span class="lineno"> 735</span> </div>
<div class="line"><a name="l00736"></a><span class="lineno"> 736</span>  p += hlen; <span class="comment">/* Skip seed */</span></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>  <span class="comment">/* Check lHash */</span></div>
<div class="line"><a name="l00739"></a><span class="lineno"> 739</span>  <span class="keywordflow">for</span>( i = 0; i < hlen; i++ )</div>
<div class="line"><a name="l00740"></a><span class="lineno"> 740</span>  bad |= lhash[i] ^ *p++;</div>
<div class="line"><a name="l00741"></a><span class="lineno"> 741</span> </div>
<div class="line"><a name="l00742"></a><span class="lineno"> 742</span>  <span class="comment">/* Get zero-padding len, but always read till end of buffer</span></div>
<div class="line"><a name="l00743"></a><span class="lineno"> 743</span> <span class="comment"> * (minus one, for the 01 byte) */</span></div>
<div class="line"><a name="l00744"></a><span class="lineno"> 744</span>  pad_len = 0;</div>
<div class="line"><a name="l00745"></a><span class="lineno"> 745</span>  pad_done = 0;</div>
<div class="line"><a name="l00746"></a><span class="lineno"> 746</span>  <span class="keywordflow">for</span>( i = 0; i < ilen - 2 * hlen - 2; i++ )</div>
<div class="line"><a name="l00747"></a><span class="lineno"> 747</span>  {</div>
<div class="line"><a name="l00748"></a><span class="lineno"> 748</span>  pad_done |= p[i];</div>
<div class="line"><a name="l00749"></a><span class="lineno"> 749</span>  pad_len += ( pad_done == 0 );</div>
<div class="line"><a name="l00750"></a><span class="lineno"> 750</span>  }</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>  p += pad_len;</div>
<div class="line"><a name="l00753"></a><span class="lineno"> 753</span>  bad |= *p++ ^ 0x01;</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>  <span class="comment">/*</span></div>
<div class="line"><a name="l00756"></a><span class="lineno"> 756</span> <span class="comment"> * The only information "leaked" is whether the padding was correct or not</span></div>
<div class="line"><a name="l00757"></a><span class="lineno"> 757</span> <span class="comment"> * (eg, no data is copied if it was not correct). This meets the</span></div>
<div class="line"><a name="l00758"></a><span class="lineno"> 758</span> <span class="comment"> * recommendations in PKCS#1 v2.2: an opponent cannot distinguish between</span></div>
<div class="line"><a name="l00759"></a><span class="lineno"> 759</span> <span class="comment"> * the different error conditions.</span></div>
<div class="line"><a name="l00760"></a><span class="lineno"> 760</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00761"></a><span class="lineno"> 761</span>  <span class="keywordflow">if</span>( bad != 0 )</div>
<div class="line"><a name="l00762"></a><span class="lineno"> 762</span>  <span class="keywordflow">return</span>( <a class="code" href="rsa_8h.html#a2cab7b3c4ddc3bc02ffc59db19d0400f">POLARSSL_ERR_RSA_INVALID_PADDING</a> );</div>
<div class="line"><a name="l00763"></a><span class="lineno"> 763</span> </div>
<div class="line"><a name="l00764"></a><span class="lineno"> 764</span>  <span class="keywordflow">if</span>( ilen - ( p - buf ) > output_max_len )</div>
<div class="line"><a name="l00765"></a><span class="lineno"> 765</span>  <span class="keywordflow">return</span>( <a class="code" href="rsa_8h.html#a1eb1e554a1fbed5abf93c566bc7751be">POLARSSL_ERR_RSA_OUTPUT_TOO_LARGE</a> );</div>
<div class="line"><a name="l00766"></a><span class="lineno"> 766</span> </div>
<div class="line"><a name="l00767"></a><span class="lineno"> 767</span>  *olen = ilen - (p - buf);</div>
<div class="line"><a name="l00768"></a><span class="lineno"> 768</span>  memcpy( output, p, *olen );</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> <span class="preprocessor">#endif </span><span class="comment">/* POLARSSL_PKCS1_V21 */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00773"></a><span class="lineno"> 773</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00774"></a><span class="lineno"> 774</span> <span class="preprocessor">#if defined(POLARSSL_PKCS1_V15)</span></div>
<div class="line"><a name="l00775"></a><span class="lineno"> 775</span> <span class="preprocessor"></span><span class="comment">/*</span></div>
<div class="line"><a name="l00776"></a><span class="lineno"> 776</span> <span class="comment"> * Implementation of the PKCS#1 v2.1 RSAES-PKCS1-V1_5-DECRYPT function</span></div>
<div class="line"><a name="l00777"></a><span class="lineno"> 777</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00778"></a><span class="lineno"> 778</span> <span class="keywordtype">int</span> <a class="code" href="rsa_8h.html#a09a2f3c16c6dd7a933763b1a91181fbb">rsa_rsaes_pkcs1_v15_decrypt</a>( <a class="code" href="structrsa__context.html">rsa_context</a> *ctx,</div>
<div class="line"><a name="l00779"></a><span class="lineno"> 779</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="l00780"></a><span class="lineno"> 780</span>  <span class="keywordtype">void</span> *p_rng,</div>
<div class="line"><a name="l00781"></a><span class="lineno"> 781</span>  <span class="keywordtype">int</span> mode, <span class="keywordtype">size_t</span> *olen,</div>
<div class="line"><a name="l00782"></a><span class="lineno"> 782</span>  <span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *input,</div>
<div class="line"><a name="l00783"></a><span class="lineno"> 783</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *output,</div>
<div class="line"><a name="l00784"></a><span class="lineno"> 784</span>  <span class="keywordtype">size_t</span> output_max_len)</div>
<div class="line"><a name="l00785"></a><span class="lineno"> 785</span> {</div>
<div class="line"><a name="l00786"></a><span class="lineno"> 786</span>  <span class="keywordtype">int</span> ret;</div>
<div class="line"><a name="l00787"></a><span class="lineno"> 787</span>  <span class="keywordtype">size_t</span> ilen, pad_count = 0, i;</div>
<div class="line"><a name="l00788"></a><span class="lineno"> 788</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *p, bad, pad_done = 0;</div>
<div class="line"><a name="l00789"></a><span class="lineno"> 789</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="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>( mode == <a class="code" href="rsa_8h.html#aeaabdd3bae85e564beb1ae9843169eb9">RSA_PRIVATE</a> && ctx-><a class="code" href="structrsa__context.html#ac2599f716413534b2925670d5523c6bf">padding</a> != <a class="code" href="rsa_8h.html#acc924b6d08c92a2252fbab6c6ca5860e">RSA_PKCS_V15</a> )</div>
<div class="line"><a name="l00792"></a><span class="lineno"> 792</span>  <span class="keywordflow">return</span>( <a class="code" href="rsa_8h.html#aa30403951a6242045d0b47e2b51eccb0">POLARSSL_ERR_RSA_BAD_INPUT_DATA</a> );</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>  ilen = ctx-><a class="code" href="structrsa__context.html#a8b9aaee69b8d73b0567a2bca7c78b173">len</a>;</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>( ilen < 16 || ilen > <span class="keyword">sizeof</span>( buf ) )</div>
<div class="line"><a name="l00797"></a><span class="lineno"> 797</span>  <span class="keywordflow">return</span>( <a class="code" href="rsa_8h.html#aa30403951a6242045d0b47e2b51eccb0">POLARSSL_ERR_RSA_BAD_INPUT_DATA</a> );</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>  ret = ( mode == <a class="code" href="rsa_8h.html#a1f00bab389d3db27a115db74e32be727">RSA_PUBLIC</a> )</div>
<div class="line"><a name="l00800"></a><span class="lineno"> 800</span>  ? <a class="code" href="rsa_8h.html#a29709d2f3d05d833b28081b743f9815f">rsa_public</a>( ctx, input, buf )</div>
<div class="line"><a name="l00801"></a><span class="lineno"> 801</span>  : <a class="code" href="rsa_8h.html#a305bf558a7137a1037d3f0c536060f06">rsa_private</a>( ctx, f_rng, p_rng, input, buf );</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="keywordflow">if</span>( ret != 0 )</div>
<div class="line"><a name="l00804"></a><span class="lineno"> 804</span>  <span class="keywordflow">return</span>( ret );</div>
<div class="line"><a name="l00805"></a><span class="lineno"> 805</span> </div>
<div class="line"><a name="l00806"></a><span class="lineno"> 806</span>  p = buf;</div>
<div class="line"><a name="l00807"></a><span class="lineno"> 807</span>  bad = 0;</div>
<div class="line"><a name="l00808"></a><span class="lineno"> 808</span> </div>
<div class="line"><a name="l00809"></a><span class="lineno"> 809</span>  <span class="comment">/*</span></div>
<div class="line"><a name="l00810"></a><span class="lineno"> 810</span> <span class="comment"> * Check and get padding len in "constant-time"</span></div>
<div class="line"><a name="l00811"></a><span class="lineno"> 811</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00812"></a><span class="lineno"> 812</span>  bad |= *p++; <span class="comment">/* First byte must be 0 */</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="comment">/* This test does not depend on secret data */</span></div>
<div class="line"><a name="l00815"></a><span class="lineno"> 815</span>  <span class="keywordflow">if</span>( mode == <a class="code" href="rsa_8h.html#aeaabdd3bae85e564beb1ae9843169eb9">RSA_PRIVATE</a> )</div>
<div class="line"><a name="l00816"></a><span class="lineno"> 816</span>  {</div>
<div class="line"><a name="l00817"></a><span class="lineno"> 817</span>  bad |= *p++ ^ <a class="code" href="rsa_8h.html#afdeb08b89f455b4c80a8283a1559b97d">RSA_CRYPT</a>;</div>
<div class="line"><a name="l00818"></a><span class="lineno"> 818</span> </div>
<div class="line"><a name="l00819"></a><span class="lineno"> 819</span>  <span class="comment">/* Get padding len, but always read till end of buffer</span></div>
<div class="line"><a name="l00820"></a><span class="lineno"> 820</span> <span class="comment"> * (minus one, for the 00 byte) */</span></div>
<div class="line"><a name="l00821"></a><span class="lineno"> 821</span>  <span class="keywordflow">for</span>( i = 0; i < ilen - 3; i++ )</div>
<div class="line"><a name="l00822"></a><span class="lineno"> 822</span>  {</div>
<div class="line"><a name="l00823"></a><span class="lineno"> 823</span>  pad_done |= ( p[i] == 0 );</div>
<div class="line"><a name="l00824"></a><span class="lineno"> 824</span>  pad_count += ( pad_done == 0 );</div>
<div class="line"><a name="l00825"></a><span class="lineno"> 825</span>  }</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>  p += pad_count;</div>
<div class="line"><a name="l00828"></a><span class="lineno"> 828</span>  bad |= *p++; <span class="comment">/* Must be zero */</span></div>
<div class="line"><a name="l00829"></a><span class="lineno"> 829</span>  }</div>
<div class="line"><a name="l00830"></a><span class="lineno"> 830</span>  <span class="keywordflow">else</span></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>  bad |= *p++ ^ <a class="code" href="rsa_8h.html#ae1bbc14f00a5c873d7770b44c412df1d">RSA_SIGN</a>;</div>
<div class="line"><a name="l00833"></a><span class="lineno"> 833</span> </div>
<div class="line"><a name="l00834"></a><span class="lineno"> 834</span>  <span class="comment">/* Get padding len, but always read till end of buffer</span></div>
<div class="line"><a name="l00835"></a><span class="lineno"> 835</span> <span class="comment"> * (minus one, for the 00 byte) */</span></div>
<div class="line"><a name="l00836"></a><span class="lineno"> 836</span>  <span class="keywordflow">for</span>( i = 0; i < ilen - 3; i++ )</div>
<div class="line"><a name="l00837"></a><span class="lineno"> 837</span>  {</div>
<div class="line"><a name="l00838"></a><span class="lineno"> 838</span>  pad_done |= ( p[i] != 0xFF );</div>
<div class="line"><a name="l00839"></a><span class="lineno"> 839</span>  pad_count += ( pad_done == 0 );</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> </div>
<div class="line"><a name="l00842"></a><span class="lineno"> 842</span>  p += pad_count;</div>
<div class="line"><a name="l00843"></a><span class="lineno"> 843</span>  bad |= *p++; <span class="comment">/* Must be zero */</span></div>
<div class="line"><a name="l00844"></a><span class="lineno"> 844</span>  }</div>
<div class="line"><a name="l00845"></a><span class="lineno"> 845</span> </div>
<div class="line"><a name="l00846"></a><span class="lineno"> 846</span>  <span class="keywordflow">if</span>( bad )</div>
<div class="line"><a name="l00847"></a><span class="lineno"> 847</span>  <span class="keywordflow">return</span>( <a class="code" href="rsa_8h.html#a2cab7b3c4ddc3bc02ffc59db19d0400f">POLARSSL_ERR_RSA_INVALID_PADDING</a> );</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">if</span>( ilen - ( p - buf ) > output_max_len )</div>
<div class="line"><a name="l00850"></a><span class="lineno"> 850</span>  <span class="keywordflow">return</span>( <a class="code" href="rsa_8h.html#a1eb1e554a1fbed5abf93c566bc7751be">POLARSSL_ERR_RSA_OUTPUT_TOO_LARGE</a> );</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>  *olen = ilen - (p - buf);</div>
<div class="line"><a name="l00853"></a><span class="lineno"> 853</span>  memcpy( output, p, *olen );</div>
<div class="line"><a name="l00854"></a><span class="lineno"> 854</span> </div>
<div class="line"><a name="l00855"></a><span class="lineno"> 855</span>  <span class="keywordflow">return</span>( 0 );</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="preprocessor">#endif </span><span class="comment">/* POLARSSL_PKCS1_V15 */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00858"></a><span class="lineno"> 858</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00859"></a><span class="lineno"> 859</span> <span class="comment">/*</span></div>
<div class="line"><a name="l00860"></a><span class="lineno"> 860</span> <span class="comment"> * Do an RSA operation, then remove the message padding</span></div>
<div class="line"><a name="l00861"></a><span class="lineno"> 861</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00862"></a><span class="lineno"> 862</span> <span class="keywordtype">int</span> <a class="code" href="rsa_8h.html#a01f8396add05e6e621f8e97d58f75e3a">rsa_pkcs1_decrypt</a>( <a class="code" href="structrsa__context.html">rsa_context</a> *ctx,</div>
<div class="line"><a name="l00863"></a><span class="lineno"> 863</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="l00864"></a><span class="lineno"> 864</span>  <span class="keywordtype">void</span> *p_rng,</div>
<div class="line"><a name="l00865"></a><span class="lineno"> 865</span>  <span class="keywordtype">int</span> mode, <span class="keywordtype">size_t</span> *olen,</div>
<div class="line"><a name="l00866"></a><span class="lineno"> 866</span>  <span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *input,</div>
<div class="line"><a name="l00867"></a><span class="lineno"> 867</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *output,</div>
<div class="line"><a name="l00868"></a><span class="lineno"> 868</span>  <span class="keywordtype">size_t</span> output_max_len)</div>
<div class="line"><a name="l00869"></a><span class="lineno"> 869</span> {</div>
<div class="line"><a name="l00870"></a><span class="lineno"> 870</span>  <span class="keywordflow">switch</span>( ctx-><a class="code" href="structrsa__context.html#ac2599f716413534b2925670d5523c6bf">padding</a> )</div>
<div class="line"><a name="l00871"></a><span class="lineno"> 871</span>  {</div>
<div class="line"><a name="l00872"></a><span class="lineno"> 872</span> <span class="preprocessor">#if defined(POLARSSL_PKCS1_V15)</span></div>
<div class="line"><a name="l00873"></a><span class="lineno"> 873</span> <span class="preprocessor"></span> <span class="keywordflow">case</span> <a class="code" href="rsa_8h.html#acc924b6d08c92a2252fbab6c6ca5860e">RSA_PKCS_V15</a>:</div>
<div class="line"><a name="l00874"></a><span class="lineno"> 874</span>  <span class="keywordflow">return</span> <a class="code" href="rsa_8h.html#a09a2f3c16c6dd7a933763b1a91181fbb">rsa_rsaes_pkcs1_v15_decrypt</a>( ctx, f_rng, p_rng, mode, olen,</div>
<div class="line"><a name="l00875"></a><span class="lineno"> 875</span>  input, output, output_max_len );</div>
<div class="line"><a name="l00876"></a><span class="lineno"> 876</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00877"></a><span class="lineno"> 877</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00878"></a><span class="lineno"> 878</span> <span class="preprocessor">#if defined(POLARSSL_PKCS1_V21)</span></div>
<div class="line"><a name="l00879"></a><span class="lineno"> 879</span> <span class="preprocessor"></span> <span class="keywordflow">case</span> <a class="code" href="rsa_8h.html#ade2521c3c28b0f5b222fdef75f9f87e9">RSA_PKCS_V21</a>:</div>
<div class="line"><a name="l00880"></a><span class="lineno"> 880</span>  <span class="keywordflow">return</span> <a class="code" href="rsa_8h.html#ae89cbd38c2c40f9227326f3842d5b5da">rsa_rsaes_oaep_decrypt</a>( ctx, f_rng, p_rng, mode, NULL, 0,</div>
<div class="line"><a name="l00881"></a><span class="lineno"> 881</span>  olen, input, output,</div>
<div class="line"><a name="l00882"></a><span class="lineno"> 882</span>  output_max_len );</div>
<div class="line"><a name="l00883"></a><span class="lineno"> 883</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00884"></a><span class="lineno"> 884</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00885"></a><span class="lineno"> 885</span>  <span class="keywordflow">default</span>:</div>
<div class="line"><a name="l00886"></a><span class="lineno"> 886</span>  <span class="keywordflow">return</span>( <a class="code" href="rsa_8h.html#a2cab7b3c4ddc3bc02ffc59db19d0400f">POLARSSL_ERR_RSA_INVALID_PADDING</a> );</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> }</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="preprocessor">#if defined(POLARSSL_PKCS1_V21)</span></div>
<div class="line"><a name="l00891"></a><span class="lineno"> 891</span> <span class="preprocessor"></span><span class="comment">/*</span></div>
<div class="line"><a name="l00892"></a><span class="lineno"> 892</span> <span class="comment"> * Implementation of the PKCS#1 v2.1 RSASSA-PSS-SIGN function</span></div>
<div class="line"><a name="l00893"></a><span class="lineno"> 893</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00894"></a><span class="lineno"> 894</span> <span class="keywordtype">int</span> <a class="code" href="rsa_8h.html#ad362c2f0ab336f9dd778e26528d260fa">rsa_rsassa_pss_sign</a>( <a class="code" href="structrsa__context.html">rsa_context</a> *ctx,</div>
<div class="line"><a name="l00895"></a><span class="lineno"> 895</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="l00896"></a><span class="lineno"> 896</span>  <span class="keywordtype">void</span> *p_rng,</div>
<div class="line"><a name="l00897"></a><span class="lineno"> 897</span>  <span class="keywordtype">int</span> mode,</div>
<div class="line"><a name="l00898"></a><span class="lineno"> 898</span>  <a class="code" href="md_8h.html#af1fbbb67afa0daee4090cde8864e0b68">md_type_t</a> md_alg,</div>
<div class="line"><a name="l00899"></a><span class="lineno"> 899</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> hashlen,</div>
<div class="line"><a name="l00900"></a><span class="lineno"> 900</span>  <span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *hash,</div>
<div class="line"><a name="l00901"></a><span class="lineno"> 901</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *sig )</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>  <span class="keywordtype">size_t</span> olen;</div>
<div class="line"><a name="l00904"></a><span class="lineno"> 904</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *p = sig;</div>
<div class="line"><a name="l00905"></a><span class="lineno"> 905</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> salt[<a class="code" href="md_8h.html#a38c76a15d6a3874f898f3dc60750dde1">POLARSSL_MD_MAX_SIZE</a>];</div>
<div class="line"><a name="l00906"></a><span class="lineno"> 906</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> slen, hlen, offset = 0;</div>
<div class="line"><a name="l00907"></a><span class="lineno"> 907</span>  <span class="keywordtype">int</span> ret;</div>
<div class="line"><a name="l00908"></a><span class="lineno"> 908</span>  <span class="keywordtype">size_t</span> msb;</div>
<div class="line"><a name="l00909"></a><span class="lineno"> 909</span>  <span class="keyword">const</span> <a class="code" href="structmd__info__t.html">md_info_t</a> *md_info;</div>
<div class="line"><a name="l00910"></a><span class="lineno"> 910</span>  <a class="code" href="structmd__context__t.html">md_context_t</a> md_ctx;</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">if</span>( mode == <a class="code" href="rsa_8h.html#aeaabdd3bae85e564beb1ae9843169eb9">RSA_PRIVATE</a> && ctx-><a class="code" href="structrsa__context.html#ac2599f716413534b2925670d5523c6bf">padding</a> != <a class="code" href="rsa_8h.html#ade2521c3c28b0f5b222fdef75f9f87e9">RSA_PKCS_V21</a> )</div>
<div class="line"><a name="l00913"></a><span class="lineno"> 913</span>  <span class="keywordflow">return</span>( <a class="code" href="rsa_8h.html#aa30403951a6242045d0b47e2b51eccb0">POLARSSL_ERR_RSA_BAD_INPUT_DATA</a> );</div>
<div class="line"><a name="l00914"></a><span class="lineno"> 914</span> </div>
<div class="line"><a name="l00915"></a><span class="lineno"> 915</span>  <span class="keywordflow">if</span>( f_rng == NULL )</div>
<div class="line"><a name="l00916"></a><span class="lineno"> 916</span>  <span class="keywordflow">return</span>( <a class="code" href="rsa_8h.html#aa30403951a6242045d0b47e2b51eccb0">POLARSSL_ERR_RSA_BAD_INPUT_DATA</a> );</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>  olen = ctx-><a class="code" href="structrsa__context.html#a8b9aaee69b8d73b0567a2bca7c78b173">len</a>;</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>  <span class="keywordflow">if</span>( md_alg != <a class="code" href="md_8h.html#af1fbbb67afa0daee4090cde8864e0b68a1058b903a7b49716f1b75cca6e80c4e8">POLARSSL_MD_NONE</a> )</div>
<div class="line"><a name="l00921"></a><span class="lineno"> 921</span>  {</div>
<div class="line"><a name="l00922"></a><span class="lineno"> 922</span>  <span class="comment">// Gather length of hash to sign</span></div>
<div class="line"><a name="l00923"></a><span class="lineno"> 923</span>  <span class="comment">//</span></div>
<div class="line"><a name="l00924"></a><span class="lineno"> 924</span>  md_info = <a class="code" href="md_8h.html#a622c94870533dc68f54b8df520d2c6d9">md_info_from_type</a>( md_alg );</div>
<div class="line"><a name="l00925"></a><span class="lineno"> 925</span>  <span class="keywordflow">if</span>( md_info == NULL )</div>
<div class="line"><a name="l00926"></a><span class="lineno"> 926</span>  <span class="keywordflow">return</span>( <a class="code" href="rsa_8h.html#aa30403951a6242045d0b47e2b51eccb0">POLARSSL_ERR_RSA_BAD_INPUT_DATA</a> );</div>
<div class="line"><a name="l00927"></a><span class="lineno"> 927</span> </div>
<div class="line"><a name="l00928"></a><span class="lineno"> 928</span>  hashlen = <a class="code" href="md_8h.html#a3e688fee63e53a616d031d6319c07372">md_get_size</a>( md_info );</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> </div>
<div class="line"><a name="l00931"></a><span class="lineno"> 931</span>  md_info = <a class="code" href="md_8h.html#a622c94870533dc68f54b8df520d2c6d9">md_info_from_type</a>( ctx-><a class="code" href="structrsa__context.html#a735bfa601f5fe16e563da0cab79fdb7b">hash_id</a> );</div>
<div class="line"><a name="l00932"></a><span class="lineno"> 932</span>  <span class="keywordflow">if</span>( md_info == NULL )</div>
<div class="line"><a name="l00933"></a><span class="lineno"> 933</span>  <span class="keywordflow">return</span>( <a class="code" href="rsa_8h.html#aa30403951a6242045d0b47e2b51eccb0">POLARSSL_ERR_RSA_BAD_INPUT_DATA</a> );</div>
<div class="line"><a name="l00934"></a><span class="lineno"> 934</span> </div>
<div class="line"><a name="l00935"></a><span class="lineno"> 935</span>  hlen = <a class="code" href="md_8h.html#a3e688fee63e53a616d031d6319c07372">md_get_size</a>( md_info );</div>
<div class="line"><a name="l00936"></a><span class="lineno"> 936</span>  slen = hlen;</div>
<div class="line"><a name="l00937"></a><span class="lineno"> 937</span> </div>
<div class="line"><a name="l00938"></a><span class="lineno"> 938</span>  <span class="keywordflow">if</span>( olen < hlen + slen + 2 )</div>
<div class="line"><a name="l00939"></a><span class="lineno"> 939</span>  <span class="keywordflow">return</span>( <a class="code" href="rsa_8h.html#aa30403951a6242045d0b47e2b51eccb0">POLARSSL_ERR_RSA_BAD_INPUT_DATA</a> );</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>  memset( sig, 0, olen );</div>
<div class="line"><a name="l00942"></a><span class="lineno"> 942</span> </div>
<div class="line"><a name="l00943"></a><span class="lineno"> 943</span>  <span class="comment">// Generate salt of length slen</span></div>
<div class="line"><a name="l00944"></a><span class="lineno"> 944</span>  <span class="comment">//</span></div>
<div class="line"><a name="l00945"></a><span class="lineno"> 945</span>  <span class="keywordflow">if</span>( ( ret = f_rng( p_rng, salt, slen ) ) != 0 )</div>
<div class="line"><a name="l00946"></a><span class="lineno"> 946</span>  <span class="keywordflow">return</span>( <a class="code" href="rsa_8h.html#a07f72608ba6249132c9a6cf497f0371d">POLARSSL_ERR_RSA_RNG_FAILED</a> + ret );</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">// Note: EMSA-PSS encoding is over the length of N - 1 bits</span></div>
<div class="line"><a name="l00949"></a><span class="lineno"> 949</span>  <span class="comment">//</span></div>
<div class="line"><a name="l00950"></a><span class="lineno"> 950</span>  msb = <a class="code" href="bignum_8h.html#a4d461a7bff5a31df34bbf93ec00ab886">mpi_msb</a>( &ctx-><a class="code" href="structrsa__context.html#a2f44f168531d8470e7831fd49aea9ae0">N</a> ) - 1;</div>
<div class="line"><a name="l00951"></a><span class="lineno"> 951</span>  p += olen - hlen * 2 - 2;</div>
<div class="line"><a name="l00952"></a><span class="lineno"> 952</span>  *p++ = 0x01;</div>
<div class="line"><a name="l00953"></a><span class="lineno"> 953</span>  memcpy( p, salt, slen );</div>
<div class="line"><a name="l00954"></a><span class="lineno"> 954</span>  p += slen;</div>
<div class="line"><a name="l00955"></a><span class="lineno"> 955</span> </div>
<div class="line"><a name="l00956"></a><span class="lineno"> 956</span>  <a class="code" href="md_8h.html#ae75802b88b5126acc245530be7d9607b">md_init</a>( &md_ctx );</div>
<div class="line"><a name="l00957"></a><span class="lineno"> 957</span>  <a class="code" href="md_8h.html#a7c956b5c92531111312324c91b6d83f9">md_init_ctx</a>( &md_ctx, md_info );</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>  <span class="comment">// Generate H = Hash( M' )</span></div>
<div class="line"><a name="l00960"></a><span class="lineno"> 960</span>  <span class="comment">//</span></div>
<div class="line"><a name="l00961"></a><span class="lineno"> 961</span>  <a class="code" href="md_8h.html#a4362ff554b0e3b934a1e3c3b6496fa42">md_starts</a>( &md_ctx );</div>
<div class="line"><a name="l00962"></a><span class="lineno"> 962</span>  <a class="code" href="md_8h.html#aeee048646a981f3aa4810609e3bf8787">md_update</a>( &md_ctx, p, 8 );</div>
<div class="line"><a name="l00963"></a><span class="lineno"> 963</span>  <a class="code" href="md_8h.html#aeee048646a981f3aa4810609e3bf8787">md_update</a>( &md_ctx, hash, hashlen );</div>
<div class="line"><a name="l00964"></a><span class="lineno"> 964</span>  <a class="code" href="md_8h.html#aeee048646a981f3aa4810609e3bf8787">md_update</a>( &md_ctx, salt, slen );</div>
<div class="line"><a name="l00965"></a><span class="lineno"> 965</span>  <a class="code" href="md_8h.html#ac8d5acb64d8b392ab9e957e1368644ed">md_finish</a>( &md_ctx, p );</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>  <span class="comment">// Compensate for boundary condition when applying mask</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="keywordflow">if</span>( msb % 8 == 0 )</div>
<div class="line"><a name="l00970"></a><span class="lineno"> 970</span>  offset = 1;</div>
<div class="line"><a name="l00971"></a><span class="lineno"> 971</span> </div>
<div class="line"><a name="l00972"></a><span class="lineno"> 972</span>  <span class="comment">// maskedDB: Apply dbMask to DB</span></div>
<div class="line"><a name="l00973"></a><span class="lineno"> 973</span>  <span class="comment">//</span></div>
<div class="line"><a name="l00974"></a><span class="lineno"> 974</span>  mgf_mask( sig + offset, olen - hlen - 1 - offset, p, hlen, &md_ctx );</div>
<div class="line"><a name="l00975"></a><span class="lineno"> 975</span> </div>
<div class="line"><a name="l00976"></a><span class="lineno"> 976</span>  <a class="code" href="md_8h.html#ac4b9dc3bf86a40ac6829eba973b8579e">md_free</a>( &md_ctx );</div>
<div class="line"><a name="l00977"></a><span class="lineno"> 977</span> </div>
<div class="line"><a name="l00978"></a><span class="lineno"> 978</span>  msb = <a class="code" href="bignum_8h.html#a4d461a7bff5a31df34bbf93ec00ab886">mpi_msb</a>( &ctx-><a class="code" href="structrsa__context.html#a2f44f168531d8470e7831fd49aea9ae0">N</a> ) - 1;</div>
<div class="line"><a name="l00979"></a><span class="lineno"> 979</span>  sig[0] &= 0xFF >> ( olen * 8 - msb );</div>
<div class="line"><a name="l00980"></a><span class="lineno"> 980</span> </div>
<div class="line"><a name="l00981"></a><span class="lineno"> 981</span>  p += hlen;</div>
<div class="line"><a name="l00982"></a><span class="lineno"> 982</span>  *p++ = 0xBC;</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>  <span class="keywordflow">return</span>( ( mode == <a class="code" href="rsa_8h.html#a1f00bab389d3db27a115db74e32be727">RSA_PUBLIC</a> )</div>
<div class="line"><a name="l00985"></a><span class="lineno"> 985</span>  ? <a class="code" href="rsa_8h.html#a29709d2f3d05d833b28081b743f9815f">rsa_public</a>( ctx, sig, sig )</div>
<div class="line"><a name="l00986"></a><span class="lineno"> 986</span>  : <a class="code" href="rsa_8h.html#a305bf558a7137a1037d3f0c536060f06">rsa_private</a>( ctx, f_rng, p_rng, sig, sig ) );</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="preprocessor">#endif </span><span class="comment">/* POLARSSL_PKCS1_V21 */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00989"></a><span class="lineno"> 989</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00990"></a><span class="lineno"> 990</span> <span class="preprocessor">#if defined(POLARSSL_PKCS1_V15)</span></div>
<div class="line"><a name="l00991"></a><span class="lineno"> 991</span> <span class="preprocessor"></span><span class="comment">/*</span></div>
<div class="line"><a name="l00992"></a><span class="lineno"> 992</span> <span class="comment"> * Implementation of the PKCS#1 v2.1 RSASSA-PKCS1-V1_5-SIGN function</span></div>
<div class="line"><a name="l00993"></a><span class="lineno"> 993</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00994"></a><span class="lineno"> 994</span> <span class="comment">/*</span></div>
<div class="line"><a name="l00995"></a><span class="lineno"> 995</span> <span class="comment"> * Do an RSA operation to sign the message digest</span></div>
<div class="line"><a name="l00996"></a><span class="lineno"> 996</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00997"></a><span class="lineno"> 997</span> <span class="keywordtype">int</span> <a class="code" href="rsa_8h.html#a93379a69bfb2b40ca0bdcf4f992942d5">rsa_rsassa_pkcs1_v15_sign</a>( <a class="code" href="structrsa__context.html">rsa_context</a> *ctx,</div>
<div class="line"><a name="l00998"></a><span class="lineno"> 998</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="l00999"></a><span class="lineno"> 999</span>  <span class="keywordtype">void</span> *p_rng,</div>
<div class="line"><a name="l01000"></a><span class="lineno"> 1000</span>  <span class="keywordtype">int</span> mode,</div>
<div class="line"><a name="l01001"></a><span class="lineno"> 1001</span>  <a class="code" href="md_8h.html#af1fbbb67afa0daee4090cde8864e0b68">md_type_t</a> md_alg,</div>
<div class="line"><a name="l01002"></a><span class="lineno"> 1002</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> hashlen,</div>
<div class="line"><a name="l01003"></a><span class="lineno"> 1003</span>  <span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *hash,</div>
<div class="line"><a name="l01004"></a><span class="lineno"> 1004</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *sig )</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="keywordtype">size_t</span> nb_pad, olen, oid_size = 0;</div>
<div class="line"><a name="l01007"></a><span class="lineno"> 1007</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *p = sig;</div>
<div class="line"><a name="l01008"></a><span class="lineno"> 1008</span>  <span class="keyword">const</span> <span class="keywordtype">char</span> *oid;</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>  <span class="keywordflow">if</span>( mode == <a class="code" href="rsa_8h.html#aeaabdd3bae85e564beb1ae9843169eb9">RSA_PRIVATE</a> && ctx-><a class="code" href="structrsa__context.html#ac2599f716413534b2925670d5523c6bf">padding</a> != <a class="code" href="rsa_8h.html#acc924b6d08c92a2252fbab6c6ca5860e">RSA_PKCS_V15</a> )</div>
<div class="line"><a name="l01011"></a><span class="lineno"> 1011</span>  <span class="keywordflow">return</span>( <a class="code" href="rsa_8h.html#aa30403951a6242045d0b47e2b51eccb0">POLARSSL_ERR_RSA_BAD_INPUT_DATA</a> );</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>  olen = ctx-><a class="code" href="structrsa__context.html#a8b9aaee69b8d73b0567a2bca7c78b173">len</a>;</div>
<div class="line"><a name="l01014"></a><span class="lineno"> 1014</span>  nb_pad = olen - 3;</div>
<div class="line"><a name="l01015"></a><span class="lineno"> 1015</span> </div>
<div class="line"><a name="l01016"></a><span class="lineno"> 1016</span>  <span class="keywordflow">if</span>( md_alg != <a class="code" href="md_8h.html#af1fbbb67afa0daee4090cde8864e0b68a1058b903a7b49716f1b75cca6e80c4e8">POLARSSL_MD_NONE</a> )</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>  <span class="keyword">const</span> <a class="code" href="structmd__info__t.html">md_info_t</a> *md_info = <a class="code" href="md_8h.html#a622c94870533dc68f54b8df520d2c6d9">md_info_from_type</a>( md_alg );</div>
<div class="line"><a name="l01019"></a><span class="lineno"> 1019</span>  <span class="keywordflow">if</span>( md_info == NULL )</div>
<div class="line"><a name="l01020"></a><span class="lineno"> 1020</span>  <span class="keywordflow">return</span>( <a class="code" href="rsa_8h.html#aa30403951a6242045d0b47e2b51eccb0">POLARSSL_ERR_RSA_BAD_INPUT_DATA</a> );</div>
<div class="line"><a name="l01021"></a><span class="lineno"> 1021</span> </div>
<div class="line"><a name="l01022"></a><span class="lineno"> 1022</span>  <span class="keywordflow">if</span>( <a class="code" href="oid_8h.html#a0f2b07e33a143c060b219a4c21166bc7">oid_get_oid_by_md</a>( md_alg, &oid, &oid_size ) != 0 )</div>
<div class="line"><a name="l01023"></a><span class="lineno"> 1023</span>  <span class="keywordflow">return</span>( <a class="code" href="rsa_8h.html#aa30403951a6242045d0b47e2b51eccb0">POLARSSL_ERR_RSA_BAD_INPUT_DATA</a> );</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>  nb_pad -= 10 + oid_size;</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>  hashlen = <a class="code" href="md_8h.html#a3e688fee63e53a616d031d6319c07372">md_get_size</a>( md_info );</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>  nb_pad -= hashlen;</div>
<div class="line"><a name="l01031"></a><span class="lineno"> 1031</span> </div>
<div class="line"><a name="l01032"></a><span class="lineno"> 1032</span>  <span class="keywordflow">if</span>( ( nb_pad < 8 ) || ( nb_pad > olen ) )</div>
<div class="line"><a name="l01033"></a><span class="lineno"> 1033</span>  <span class="keywordflow">return</span>( <a class="code" href="rsa_8h.html#aa30403951a6242045d0b47e2b51eccb0">POLARSSL_ERR_RSA_BAD_INPUT_DATA</a> );</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>  *p++ = 0;</div>
<div class="line"><a name="l01036"></a><span class="lineno"> 1036</span>  *p++ = <a class="code" href="rsa_8h.html#ae1bbc14f00a5c873d7770b44c412df1d">RSA_SIGN</a>;</div>
<div class="line"><a name="l01037"></a><span class="lineno"> 1037</span>  memset( p, 0xFF, nb_pad );</div>
<div class="line"><a name="l01038"></a><span class="lineno"> 1038</span>  p += nb_pad;</div>
<div class="line"><a name="l01039"></a><span class="lineno"> 1039</span>  *p++ = 0;</div>
<div class="line"><a name="l01040"></a><span class="lineno"> 1040</span> </div>
<div class="line"><a name="l01041"></a><span class="lineno"> 1041</span>  <span class="keywordflow">if</span>( md_alg == <a class="code" href="md_8h.html#af1fbbb67afa0daee4090cde8864e0b68a1058b903a7b49716f1b75cca6e80c4e8">POLARSSL_MD_NONE</a> )</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>  memcpy( p, hash, hashlen );</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>  <span class="keywordflow">else</span></div>
<div class="line"><a name="l01046"></a><span class="lineno"> 1046</span>  {</div>
<div class="line"><a name="l01047"></a><span class="lineno"> 1047</span>  <span class="comment">/*</span></div>
<div class="line"><a name="l01048"></a><span class="lineno"> 1048</span> <span class="comment"> * DigestInfo ::= SEQUENCE {</span></div>
<div class="line"><a name="l01049"></a><span class="lineno"> 1049</span> <span class="comment"> * digestAlgorithm DigestAlgorithmIdentifier,</span></div>
<div class="line"><a name="l01050"></a><span class="lineno"> 1050</span> <span class="comment"> * digest Digest }</span></div>
<div class="line"><a name="l01051"></a><span class="lineno"> 1051</span> <span class="comment"> *</span></div>
<div class="line"><a name="l01052"></a><span class="lineno"> 1052</span> <span class="comment"> * DigestAlgorithmIdentifier ::= AlgorithmIdentifier</span></div>
<div class="line"><a name="l01053"></a><span class="lineno"> 1053</span> <span class="comment"> *</span></div>
<div class="line"><a name="l01054"></a><span class="lineno"> 1054</span> <span class="comment"> * Digest ::= OCTET STRING</span></div>
<div class="line"><a name="l01055"></a><span class="lineno"> 1055</span> <span class="comment"> */</span></div>
<div class="line"><a name="l01056"></a><span class="lineno"> 1056</span>  *p++ = <a class="code" href="group__asn1__module.html#ga9321fc9f2a5ef4103008fbe5c4b230df">ASN1_SEQUENCE</a> | <a class="code" href="group__asn1__module.html#ga799d7b17a9532e1dadc8355f04477e27">ASN1_CONSTRUCTED</a>;</div>
<div class="line"><a name="l01057"></a><span class="lineno"> 1057</span>  *p++ = (<span class="keywordtype">unsigned</span> char) ( 0x08 + oid_size + hashlen );</div>
<div class="line"><a name="l01058"></a><span class="lineno"> 1058</span>  *p++ = <a class="code" href="group__asn1__module.html#ga9321fc9f2a5ef4103008fbe5c4b230df">ASN1_SEQUENCE</a> | <a class="code" href="group__asn1__module.html#ga799d7b17a9532e1dadc8355f04477e27">ASN1_CONSTRUCTED</a>;</div>
<div class="line"><a name="l01059"></a><span class="lineno"> 1059</span>  *p++ = (<span class="keywordtype">unsigned</span> char) ( 0x04 + oid_size );</div>
<div class="line"><a name="l01060"></a><span class="lineno"> 1060</span>  *p++ = <a class="code" href="group__asn1__module.html#ga3fef844d0ea67080b66b3a4d5f0a9ec8">ASN1_OID</a>;</div>
<div class="line"><a name="l01061"></a><span class="lineno"> 1061</span>  *p++ = oid_size & 0xFF;</div>
<div class="line"><a name="l01062"></a><span class="lineno"> 1062</span>  memcpy( p, oid, oid_size );</div>
<div class="line"><a name="l01063"></a><span class="lineno"> 1063</span>  p += oid_size;</div>
<div class="line"><a name="l01064"></a><span class="lineno"> 1064</span>  *p++ = <a class="code" href="group__asn1__module.html#ga381db5db1873cb0b03744322cd9bc19c">ASN1_NULL</a>;</div>
<div class="line"><a name="l01065"></a><span class="lineno"> 1065</span>  *p++ = 0x00;</div>
<div class="line"><a name="l01066"></a><span class="lineno"> 1066</span>  *p++ = <a class="code" href="group__asn1__module.html#gae251e2c2d40228a89468f3f939a18585">ASN1_OCTET_STRING</a>;</div>
<div class="line"><a name="l01067"></a><span class="lineno"> 1067</span>  *p++ = hashlen;</div>
<div class="line"><a name="l01068"></a><span class="lineno"> 1068</span>  memcpy( p, hash, hashlen );</div>
<div class="line"><a name="l01069"></a><span class="lineno"> 1069</span>  }</div>
<div class="line"><a name="l01070"></a><span class="lineno"> 1070</span> </div>
<div class="line"><a name="l01071"></a><span class="lineno"> 1071</span>  <span class="keywordflow">return</span>( ( mode == <a class="code" href="rsa_8h.html#a1f00bab389d3db27a115db74e32be727">RSA_PUBLIC</a> )</div>
<div class="line"><a name="l01072"></a><span class="lineno"> 1072</span>  ? <a class="code" href="rsa_8h.html#a29709d2f3d05d833b28081b743f9815f">rsa_public</a>( ctx, sig, sig )</div>
<div class="line"><a name="l01073"></a><span class="lineno"> 1073</span>  : <a class="code" href="rsa_8h.html#a305bf558a7137a1037d3f0c536060f06">rsa_private</a>( ctx, f_rng, p_rng, sig, sig ) );</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> <span class="preprocessor">#endif </span><span class="comment">/* POLARSSL_PKCS1_V15 */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l01076"></a><span class="lineno"> 1076</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l01077"></a><span class="lineno"> 1077</span> <span class="comment">/*</span></div>
<div class="line"><a name="l01078"></a><span class="lineno"> 1078</span> <span class="comment"> * Do an RSA operation to sign the message digest</span></div>
<div class="line"><a name="l01079"></a><span class="lineno"> 1079</span> <span class="comment"> */</span></div>
<div class="line"><a name="l01080"></a><span class="lineno"> 1080</span> <span class="keywordtype">int</span> <a class="code" href="rsa_8h.html#a1dd6fe83383d20d338a7434e80bc0554">rsa_pkcs1_sign</a>( <a class="code" href="structrsa__context.html">rsa_context</a> *ctx,</div>
<div class="line"><a name="l01081"></a><span class="lineno"> 1081</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="l01082"></a><span class="lineno"> 1082</span>  <span class="keywordtype">void</span> *p_rng,</div>
<div class="line"><a name="l01083"></a><span class="lineno"> 1083</span>  <span class="keywordtype">int</span> mode,</div>
<div class="line"><a name="l01084"></a><span class="lineno"> 1084</span>  <a class="code" href="md_8h.html#af1fbbb67afa0daee4090cde8864e0b68">md_type_t</a> md_alg,</div>
<div class="line"><a name="l01085"></a><span class="lineno"> 1085</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> hashlen,</div>
<div class="line"><a name="l01086"></a><span class="lineno"> 1086</span>  <span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *hash,</div>
<div class="line"><a name="l01087"></a><span class="lineno"> 1087</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *sig )</div>
<div class="line"><a name="l01088"></a><span class="lineno"> 1088</span> {</div>
<div class="line"><a name="l01089"></a><span class="lineno"> 1089</span>  <span class="keywordflow">switch</span>( ctx-><a class="code" href="structrsa__context.html#ac2599f716413534b2925670d5523c6bf">padding</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">#if defined(POLARSSL_PKCS1_V15)</span></div>
<div class="line"><a name="l01092"></a><span class="lineno"> 1092</span> <span class="preprocessor"></span> <span class="keywordflow">case</span> <a class="code" href="rsa_8h.html#acc924b6d08c92a2252fbab6c6ca5860e">RSA_PKCS_V15</a>:</div>
<div class="line"><a name="l01093"></a><span class="lineno"> 1093</span>  <span class="keywordflow">return</span> <a class="code" href="rsa_8h.html#a93379a69bfb2b40ca0bdcf4f992942d5">rsa_rsassa_pkcs1_v15_sign</a>( ctx, f_rng, p_rng, mode, md_alg,</div>
<div class="line"><a name="l01094"></a><span class="lineno"> 1094</span>  hashlen, hash, sig );</div>
<div class="line"><a name="l01095"></a><span class="lineno"> 1095</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l01096"></a><span class="lineno"> 1096</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l01097"></a><span class="lineno"> 1097</span> <span class="preprocessor">#if defined(POLARSSL_PKCS1_V21)</span></div>
<div class="line"><a name="l01098"></a><span class="lineno"> 1098</span> <span class="preprocessor"></span> <span class="keywordflow">case</span> <a class="code" href="rsa_8h.html#ade2521c3c28b0f5b222fdef75f9f87e9">RSA_PKCS_V21</a>:</div>
<div class="line"><a name="l01099"></a><span class="lineno"> 1099</span>  <span class="keywordflow">return</span> <a class="code" href="rsa_8h.html#ad362c2f0ab336f9dd778e26528d260fa">rsa_rsassa_pss_sign</a>( ctx, f_rng, p_rng, mode, md_alg,</div>
<div class="line"><a name="l01100"></a><span class="lineno"> 1100</span>  hashlen, hash, sig );</div>
<div class="line"><a name="l01101"></a><span class="lineno"> 1101</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l01102"></a><span class="lineno"> 1102</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l01103"></a><span class="lineno"> 1103</span>  <span class="keywordflow">default</span>:</div>
<div class="line"><a name="l01104"></a><span class="lineno"> 1104</span>  <span class="keywordflow">return</span>( <a class="code" href="rsa_8h.html#a2cab7b3c4ddc3bc02ffc59db19d0400f">POLARSSL_ERR_RSA_INVALID_PADDING</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> </div>
<div class="line"><a name="l01108"></a><span class="lineno"> 1108</span> <span class="preprocessor">#if defined(POLARSSL_PKCS1_V21)</span></div>
<div class="line"><a name="l01109"></a><span class="lineno"> 1109</span> <span class="preprocessor"></span><span class="comment">/*</span></div>
<div class="line"><a name="l01110"></a><span class="lineno"> 1110</span> <span class="comment"> * Implementation of the PKCS#1 v2.1 RSASSA-PSS-VERIFY function</span></div>
<div class="line"><a name="l01111"></a><span class="lineno"> 1111</span> <span class="comment"> */</span></div>
<div class="line"><a name="l01112"></a><span class="lineno"> 1112</span> <span class="keywordtype">int</span> <a class="code" href="rsa_8h.html#a36ffdd0c13ed675bd027fc688c034f39">rsa_rsassa_pss_verify_ext</a>( <a class="code" href="structrsa__context.html">rsa_context</a> *ctx,</div>
<div class="line"><a name="l01113"></a><span class="lineno"> 1113</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="l01114"></a><span class="lineno"> 1114</span>  <span class="keywordtype">void</span> *p_rng,</div>
<div class="line"><a name="l01115"></a><span class="lineno"> 1115</span>  <span class="keywordtype">int</span> mode,</div>
<div class="line"><a name="l01116"></a><span class="lineno"> 1116</span>  <a class="code" href="md_8h.html#af1fbbb67afa0daee4090cde8864e0b68">md_type_t</a> md_alg,</div>
<div class="line"><a name="l01117"></a><span class="lineno"> 1117</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> hashlen,</div>
<div class="line"><a name="l01118"></a><span class="lineno"> 1118</span>  <span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *hash,</div>
<div class="line"><a name="l01119"></a><span class="lineno"> 1119</span>  <a class="code" href="md_8h.html#af1fbbb67afa0daee4090cde8864e0b68">md_type_t</a> mgf1_hash_id,</div>
<div class="line"><a name="l01120"></a><span class="lineno"> 1120</span>  <span class="keywordtype">int</span> expected_salt_len,</div>
<div class="line"><a name="l01121"></a><span class="lineno"> 1121</span>  <span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *sig )</div>
<div class="line"><a name="l01122"></a><span class="lineno"> 1122</span> {</div>
<div class="line"><a name="l01123"></a><span class="lineno"> 1123</span>  <span class="keywordtype">int</span> ret;</div>
<div class="line"><a name="l01124"></a><span class="lineno"> 1124</span>  <span class="keywordtype">size_t</span> siglen;</div>
<div class="line"><a name="l01125"></a><span class="lineno"> 1125</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *p;</div>
<div class="line"><a name="l01126"></a><span class="lineno"> 1126</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="l01127"></a><span class="lineno"> 1127</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> result[<a class="code" href="md_8h.html#a38c76a15d6a3874f898f3dc60750dde1">POLARSSL_MD_MAX_SIZE</a>];</div>
<div class="line"><a name="l01128"></a><span class="lineno"> 1128</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> zeros[8];</div>
<div class="line"><a name="l01129"></a><span class="lineno"> 1129</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> hlen;</div>
<div class="line"><a name="l01130"></a><span class="lineno"> 1130</span>  <span class="keywordtype">size_t</span> slen, msb;</div>
<div class="line"><a name="l01131"></a><span class="lineno"> 1131</span>  <span class="keyword">const</span> <a class="code" href="structmd__info__t.html">md_info_t</a> *md_info;</div>
<div class="line"><a name="l01132"></a><span class="lineno"> 1132</span>  <a class="code" href="structmd__context__t.html">md_context_t</a> md_ctx;</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="keywordflow">if</span>( mode == <a class="code" href="rsa_8h.html#aeaabdd3bae85e564beb1ae9843169eb9">RSA_PRIVATE</a> && ctx-><a class="code" href="structrsa__context.html#ac2599f716413534b2925670d5523c6bf">padding</a> != <a class="code" href="rsa_8h.html#ade2521c3c28b0f5b222fdef75f9f87e9">RSA_PKCS_V21</a> )</div>
<div class="line"><a name="l01135"></a><span class="lineno"> 1135</span>  <span class="keywordflow">return</span>( <a class="code" href="rsa_8h.html#aa30403951a6242045d0b47e2b51eccb0">POLARSSL_ERR_RSA_BAD_INPUT_DATA</a> );</div>
<div class="line"><a name="l01136"></a><span class="lineno"> 1136</span> </div>
<div class="line"><a name="l01137"></a><span class="lineno"> 1137</span>  siglen = ctx-><a class="code" href="structrsa__context.html#a8b9aaee69b8d73b0567a2bca7c78b173">len</a>;</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="keywordflow">if</span>( siglen < 16 || siglen > <span class="keyword">sizeof</span>( buf ) )</div>
<div class="line"><a name="l01140"></a><span class="lineno"> 1140</span>  <span class="keywordflow">return</span>( <a class="code" href="rsa_8h.html#aa30403951a6242045d0b47e2b51eccb0">POLARSSL_ERR_RSA_BAD_INPUT_DATA</a> );</div>
<div class="line"><a name="l01141"></a><span class="lineno"> 1141</span> </div>
<div class="line"><a name="l01142"></a><span class="lineno"> 1142</span>  ret = ( mode == <a class="code" href="rsa_8h.html#a1f00bab389d3db27a115db74e32be727">RSA_PUBLIC</a> )</div>
<div class="line"><a name="l01143"></a><span class="lineno"> 1143</span>  ? <a class="code" href="rsa_8h.html#a29709d2f3d05d833b28081b743f9815f">rsa_public</a>( ctx, sig, buf )</div>
<div class="line"><a name="l01144"></a><span class="lineno"> 1144</span>  : <a class="code" href="rsa_8h.html#a305bf558a7137a1037d3f0c536060f06">rsa_private</a>( ctx, f_rng, p_rng, sig, buf );</div>
<div class="line"><a name="l01145"></a><span class="lineno"> 1145</span> </div>
<div class="line"><a name="l01146"></a><span class="lineno"> 1146</span>  <span class="keywordflow">if</span>( ret != 0 )</div>
<div class="line"><a name="l01147"></a><span class="lineno"> 1147</span>  <span class="keywordflow">return</span>( ret );</div>
<div class="line"><a name="l01148"></a><span class="lineno"> 1148</span> </div>
<div class="line"><a name="l01149"></a><span class="lineno"> 1149</span>  p = buf;</div>
<div class="line"><a name="l01150"></a><span class="lineno"> 1150</span> </div>
<div class="line"><a name="l01151"></a><span class="lineno"> 1151</span>  <span class="keywordflow">if</span>( buf[siglen - 1] != 0xBC )</div>
<div class="line"><a name="l01152"></a><span class="lineno"> 1152</span>  <span class="keywordflow">return</span>( <a class="code" href="rsa_8h.html#a2cab7b3c4ddc3bc02ffc59db19d0400f">POLARSSL_ERR_RSA_INVALID_PADDING</a> );</div>
<div class="line"><a name="l01153"></a><span class="lineno"> 1153</span> </div>
<div class="line"><a name="l01154"></a><span class="lineno"> 1154</span>  <span class="keywordflow">if</span>( md_alg != <a class="code" href="md_8h.html#af1fbbb67afa0daee4090cde8864e0b68a1058b903a7b49716f1b75cca6e80c4e8">POLARSSL_MD_NONE</a> )</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>  <span class="comment">// Gather length of hash to sign</span></div>
<div class="line"><a name="l01157"></a><span class="lineno"> 1157</span>  <span class="comment">//</span></div>
<div class="line"><a name="l01158"></a><span class="lineno"> 1158</span>  md_info = <a class="code" href="md_8h.html#a622c94870533dc68f54b8df520d2c6d9">md_info_from_type</a>( md_alg );</div>
<div class="line"><a name="l01159"></a><span class="lineno"> 1159</span>  <span class="keywordflow">if</span>( md_info == NULL )</div>
<div class="line"><a name="l01160"></a><span class="lineno"> 1160</span>  <span class="keywordflow">return</span>( <a class="code" href="rsa_8h.html#aa30403951a6242045d0b47e2b51eccb0">POLARSSL_ERR_RSA_BAD_INPUT_DATA</a> );</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>  hashlen = <a class="code" href="md_8h.html#a3e688fee63e53a616d031d6319c07372">md_get_size</a>( md_info );</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> </div>
<div class="line"><a name="l01165"></a><span class="lineno"> 1165</span>  md_info = <a class="code" href="md_8h.html#a622c94870533dc68f54b8df520d2c6d9">md_info_from_type</a>( mgf1_hash_id );</div>
<div class="line"><a name="l01166"></a><span class="lineno"> 1166</span>  <span class="keywordflow">if</span>( md_info == NULL )</div>
<div class="line"><a name="l01167"></a><span class="lineno"> 1167</span>  <span class="keywordflow">return</span>( <a class="code" href="rsa_8h.html#aa30403951a6242045d0b47e2b51eccb0">POLARSSL_ERR_RSA_BAD_INPUT_DATA</a> );</div>
<div class="line"><a name="l01168"></a><span class="lineno"> 1168</span> </div>
<div class="line"><a name="l01169"></a><span class="lineno"> 1169</span>  hlen = <a class="code" href="md_8h.html#a3e688fee63e53a616d031d6319c07372">md_get_size</a>( md_info );</div>
<div class="line"><a name="l01170"></a><span class="lineno"> 1170</span>  slen = siglen - hlen - 1; <span class="comment">/* Currently length of salt + padding */</span></div>
<div class="line"><a name="l01171"></a><span class="lineno"> 1171</span> </div>
<div class="line"><a name="l01172"></a><span class="lineno"> 1172</span>  memset( zeros, 0, 8 );</div>
<div class="line"><a name="l01173"></a><span class="lineno"> 1173</span> </div>
<div class="line"><a name="l01174"></a><span class="lineno"> 1174</span>  <span class="comment">// Note: EMSA-PSS verification is over the length of N - 1 bits</span></div>
<div class="line"><a name="l01175"></a><span class="lineno"> 1175</span>  <span class="comment">//</span></div>
<div class="line"><a name="l01176"></a><span class="lineno"> 1176</span>  msb = <a class="code" href="bignum_8h.html#a4d461a7bff5a31df34bbf93ec00ab886">mpi_msb</a>( &ctx-><a class="code" href="structrsa__context.html#a2f44f168531d8470e7831fd49aea9ae0">N</a> ) - 1;</div>
<div class="line"><a name="l01177"></a><span class="lineno"> 1177</span> </div>
<div class="line"><a name="l01178"></a><span class="lineno"> 1178</span>  <span class="comment">// Compensate for boundary condition when applying mask</span></div>
<div class="line"><a name="l01179"></a><span class="lineno"> 1179</span>  <span class="comment">//</span></div>
<div class="line"><a name="l01180"></a><span class="lineno"> 1180</span>  <span class="keywordflow">if</span>( msb % 8 == 0 )</div>
<div class="line"><a name="l01181"></a><span class="lineno"> 1181</span>  {</div>
<div class="line"><a name="l01182"></a><span class="lineno"> 1182</span>  p++;</div>
<div class="line"><a name="l01183"></a><span class="lineno"> 1183</span>  siglen -= 1;</div>
<div class="line"><a name="l01184"></a><span class="lineno"> 1184</span>  }</div>
<div class="line"><a name="l01185"></a><span class="lineno"> 1185</span>  <span class="keywordflow">if</span>( buf[0] >> ( 8 - siglen * 8 + msb ) )</div>
<div class="line"><a name="l01186"></a><span class="lineno"> 1186</span>  <span class="keywordflow">return</span>( <a class="code" href="rsa_8h.html#aa30403951a6242045d0b47e2b51eccb0">POLARSSL_ERR_RSA_BAD_INPUT_DATA</a> );</div>
<div class="line"><a name="l01187"></a><span class="lineno"> 1187</span> </div>
<div class="line"><a name="l01188"></a><span class="lineno"> 1188</span>  <a class="code" href="md_8h.html#ae75802b88b5126acc245530be7d9607b">md_init</a>( &md_ctx );</div>
<div class="line"><a name="l01189"></a><span class="lineno"> 1189</span>  <a class="code" href="md_8h.html#a7c956b5c92531111312324c91b6d83f9">md_init_ctx</a>( &md_ctx, md_info );</div>
<div class="line"><a name="l01190"></a><span class="lineno"> 1190</span> </div>
<div class="line"><a name="l01191"></a><span class="lineno"> 1191</span>  mgf_mask( p, siglen - hlen - 1, p + siglen - hlen - 1, hlen, &md_ctx );</div>
<div class="line"><a name="l01192"></a><span class="lineno"> 1192</span> </div>
<div class="line"><a name="l01193"></a><span class="lineno"> 1193</span>  buf[0] &= 0xFF >> ( siglen * 8 - msb );</div>
<div class="line"><a name="l01194"></a><span class="lineno"> 1194</span> </div>
<div class="line"><a name="l01195"></a><span class="lineno"> 1195</span>  <span class="keywordflow">while</span>( p < buf + siglen && *p == 0 )</div>
<div class="line"><a name="l01196"></a><span class="lineno"> 1196</span>  p++;</div>
<div class="line"><a name="l01197"></a><span class="lineno"> 1197</span> </div>
<div class="line"><a name="l01198"></a><span class="lineno"> 1198</span>  <span class="keywordflow">if</span>( p == buf + siglen ||</div>
<div class="line"><a name="l01199"></a><span class="lineno"> 1199</span>  *p++ != 0x01 )</div>
<div class="line"><a name="l01200"></a><span class="lineno"> 1200</span>  {</div>
<div class="line"><a name="l01201"></a><span class="lineno"> 1201</span>  <a class="code" href="md_8h.html#ac4b9dc3bf86a40ac6829eba973b8579e">md_free</a>( &md_ctx );</div>
<div class="line"><a name="l01202"></a><span class="lineno"> 1202</span>  <span class="keywordflow">return</span>( <a class="code" href="rsa_8h.html#a2cab7b3c4ddc3bc02ffc59db19d0400f">POLARSSL_ERR_RSA_INVALID_PADDING</a> );</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> </div>
<div class="line"><a name="l01205"></a><span class="lineno"> 1205</span>  <span class="comment">/* Actual salt len */</span></div>
<div class="line"><a name="l01206"></a><span class="lineno"> 1206</span>  slen -= p - buf;</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>  <span class="keywordflow">if</span>( expected_salt_len != <a class="code" href="rsa_8h.html#a6361445cef26eba64992ea54ecb90a47">RSA_SALT_LEN_ANY</a> &&</div>
<div class="line"><a name="l01209"></a><span class="lineno"> 1209</span>  slen != (<span class="keywordtype">size_t</span>) expected_salt_len )</div>
<div class="line"><a name="l01210"></a><span class="lineno"> 1210</span>  {</div>
<div class="line"><a name="l01211"></a><span class="lineno"> 1211</span>  <a class="code" href="md_8h.html#ac4b9dc3bf86a40ac6829eba973b8579e">md_free</a>( &md_ctx );</div>
<div class="line"><a name="l01212"></a><span class="lineno"> 1212</span>  <span class="keywordflow">return</span>( <a class="code" href="rsa_8h.html#a2cab7b3c4ddc3bc02ffc59db19d0400f">POLARSSL_ERR_RSA_INVALID_PADDING</a> );</div>
<div class="line"><a name="l01213"></a><span class="lineno"> 1213</span>  }</div>
<div class="line"><a name="l01214"></a><span class="lineno"> 1214</span> </div>
<div class="line"><a name="l01215"></a><span class="lineno"> 1215</span>  <span class="comment">// Generate H = Hash( M' )</span></div>
<div class="line"><a name="l01216"></a><span class="lineno"> 1216</span>  <span class="comment">//</span></div>
<div class="line"><a name="l01217"></a><span class="lineno"> 1217</span>  <a class="code" href="md_8h.html#a4362ff554b0e3b934a1e3c3b6496fa42">md_starts</a>( &md_ctx );</div>
<div class="line"><a name="l01218"></a><span class="lineno"> 1218</span>  <a class="code" href="md_8h.html#aeee048646a981f3aa4810609e3bf8787">md_update</a>( &md_ctx, zeros, 8 );</div>
<div class="line"><a name="l01219"></a><span class="lineno"> 1219</span>  <a class="code" href="md_8h.html#aeee048646a981f3aa4810609e3bf8787">md_update</a>( &md_ctx, hash, hashlen );</div>
<div class="line"><a name="l01220"></a><span class="lineno"> 1220</span>  <a class="code" href="md_8h.html#aeee048646a981f3aa4810609e3bf8787">md_update</a>( &md_ctx, p, slen );</div>
<div class="line"><a name="l01221"></a><span class="lineno"> 1221</span>  <a class="code" href="md_8h.html#ac8d5acb64d8b392ab9e957e1368644ed">md_finish</a>( &md_ctx, result );</div>
<div class="line"><a name="l01222"></a><span class="lineno"> 1222</span> </div>
<div class="line"><a name="l01223"></a><span class="lineno"> 1223</span>  <a class="code" href="md_8h.html#ac4b9dc3bf86a40ac6829eba973b8579e">md_free</a>( &md_ctx );</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">if</span>( memcmp( p + slen, result, hlen ) == 0 )</div>
<div class="line"><a name="l01226"></a><span class="lineno"> 1226</span>  <span class="keywordflow">return</span>( 0 );</div>
<div class="line"><a name="l01227"></a><span class="lineno"> 1227</span>  <span class="keywordflow">else</span></div>
<div class="line"><a name="l01228"></a><span class="lineno"> 1228</span>  <span class="keywordflow">return</span>( <a class="code" href="rsa_8h.html#a6c8054af82b411547c45248cc684609b">POLARSSL_ERR_RSA_VERIFY_FAILED</a> );</div>
<div class="line"><a name="l01229"></a><span class="lineno"> 1229</span> }</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="comment">/*</span></div>
<div class="line"><a name="l01232"></a><span class="lineno"> 1232</span> <span class="comment"> * Simplified PKCS#1 v2.1 RSASSA-PSS-VERIFY function</span></div>
<div class="line"><a name="l01233"></a><span class="lineno"> 1233</span> <span class="comment"> */</span></div>
<div class="line"><a name="l01234"></a><span class="lineno"> 1234</span> <span class="keywordtype">int</span> <a class="code" href="rsa_8h.html#a0b437fad52f75b4be7ec2f9389187bf3">rsa_rsassa_pss_verify</a>( <a class="code" href="structrsa__context.html">rsa_context</a> *ctx,</div>
<div class="line"><a name="l01235"></a><span class="lineno"> 1235</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="l01236"></a><span class="lineno"> 1236</span>  <span class="keywordtype">void</span> *p_rng,</div>
<div class="line"><a name="l01237"></a><span class="lineno"> 1237</span>  <span class="keywordtype">int</span> mode,</div>
<div class="line"><a name="l01238"></a><span class="lineno"> 1238</span>  <a class="code" href="md_8h.html#af1fbbb67afa0daee4090cde8864e0b68">md_type_t</a> md_alg,</div>
<div class="line"><a name="l01239"></a><span class="lineno"> 1239</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> hashlen,</div>
<div class="line"><a name="l01240"></a><span class="lineno"> 1240</span>  <span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *hash,</div>
<div class="line"><a name="l01241"></a><span class="lineno"> 1241</span>  <span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *sig )</div>
<div class="line"><a name="l01242"></a><span class="lineno"> 1242</span> {</div>
<div class="line"><a name="l01243"></a><span class="lineno"> 1243</span>  <a class="code" href="md_8h.html#af1fbbb67afa0daee4090cde8864e0b68">md_type_t</a> mgf1_hash_id = ( ctx-><a class="code" href="structrsa__context.html#a735bfa601f5fe16e563da0cab79fdb7b">hash_id</a> != <a class="code" href="md_8h.html#af1fbbb67afa0daee4090cde8864e0b68a1058b903a7b49716f1b75cca6e80c4e8">POLARSSL_MD_NONE</a> )</div>
<div class="line"><a name="l01244"></a><span class="lineno"> 1244</span>  ? (<a class="code" href="md_8h.html#af1fbbb67afa0daee4090cde8864e0b68">md_type_t</a>) ctx-><a class="code" href="structrsa__context.html#a735bfa601f5fe16e563da0cab79fdb7b">hash_id</a></div>
<div class="line"><a name="l01245"></a><span class="lineno"> 1245</span>  : md_alg;</div>
<div class="line"><a name="l01246"></a><span class="lineno"> 1246</span> </div>
<div class="line"><a name="l01247"></a><span class="lineno"> 1247</span>  <span class="keywordflow">return</span>( <a class="code" href="rsa_8h.html#a36ffdd0c13ed675bd027fc688c034f39">rsa_rsassa_pss_verify_ext</a>( ctx, f_rng, p_rng, mode,</div>
<div class="line"><a name="l01248"></a><span class="lineno"> 1248</span>  md_alg, hashlen, hash,</div>
<div class="line"><a name="l01249"></a><span class="lineno"> 1249</span>  mgf1_hash_id, <a class="code" href="rsa_8h.html#a6361445cef26eba64992ea54ecb90a47">RSA_SALT_LEN_ANY</a>,</div>
<div class="line"><a name="l01250"></a><span class="lineno"> 1250</span>  sig ) );</div>
<div class="line"><a name="l01251"></a><span class="lineno"> 1251</span> </div>
<div class="line"><a name="l01252"></a><span class="lineno"> 1252</span> }</div>
<div class="line"><a name="l01253"></a><span class="lineno"> 1253</span> <span class="preprocessor">#endif </span><span class="comment">/* POLARSSL_PKCS1_V21 */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l01254"></a><span class="lineno"> 1254</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l01255"></a><span class="lineno"> 1255</span> <span class="preprocessor">#if defined(POLARSSL_PKCS1_V15)</span></div>
<div class="line"><a name="l01256"></a><span class="lineno"> 1256</span> <span class="preprocessor"></span><span class="comment">/*</span></div>
<div class="line"><a name="l01257"></a><span class="lineno"> 1257</span> <span class="comment"> * Implementation of the PKCS#1 v2.1 RSASSA-PKCS1-v1_5-VERIFY function</span></div>
<div class="line"><a name="l01258"></a><span class="lineno"> 1258</span> <span class="comment"> */</span></div>
<div class="line"><a name="l01259"></a><span class="lineno"> 1259</span> <span class="keywordtype">int</span> <a class="code" href="rsa_8h.html#a3b4059189cd7e1bd97947811b9ab4d51">rsa_rsassa_pkcs1_v15_verify</a>( <a class="code" href="structrsa__context.html">rsa_context</a> *ctx,</div>
<div class="line"><a name="l01260"></a><span class="lineno"> 1260</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="l01261"></a><span class="lineno"> 1261</span>  <span class="keywordtype">void</span> *p_rng,</div>
<div class="line"><a name="l01262"></a><span class="lineno"> 1262</span>  <span class="keywordtype">int</span> mode,</div>
<div class="line"><a name="l01263"></a><span class="lineno"> 1263</span>  <a class="code" href="md_8h.html#af1fbbb67afa0daee4090cde8864e0b68">md_type_t</a> md_alg,</div>
<div class="line"><a name="l01264"></a><span class="lineno"> 1264</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> hashlen,</div>
<div class="line"><a name="l01265"></a><span class="lineno"> 1265</span>  <span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *hash,</div>
<div class="line"><a name="l01266"></a><span class="lineno"> 1266</span>  <span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *sig )</div>
<div class="line"><a name="l01267"></a><span class="lineno"> 1267</span> {</div>
<div class="line"><a name="l01268"></a><span class="lineno"> 1268</span>  <span class="keywordtype">int</span> ret;</div>
<div class="line"><a name="l01269"></a><span class="lineno"> 1269</span>  <span class="keywordtype">size_t</span> len, siglen, asn1_len;</div>
<div class="line"><a name="l01270"></a><span class="lineno"> 1270</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *p, *end;</div>
<div class="line"><a name="l01271"></a><span class="lineno"> 1271</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="l01272"></a><span class="lineno"> 1272</span>  <a class="code" href="md_8h.html#af1fbbb67afa0daee4090cde8864e0b68">md_type_t</a> msg_md_alg;</div>
<div class="line"><a name="l01273"></a><span class="lineno"> 1273</span>  <span class="keyword">const</span> <a class="code" href="structmd__info__t.html">md_info_t</a> *md_info;</div>
<div class="line"><a name="l01274"></a><span class="lineno"> 1274</span>  <a class="code" href="struct__asn1__buf.html">asn1_buf</a> oid;</div>
<div class="line"><a name="l01275"></a><span class="lineno"> 1275</span> </div>
<div class="line"><a name="l01276"></a><span class="lineno"> 1276</span>  <span class="keywordflow">if</span>( mode == <a class="code" href="rsa_8h.html#aeaabdd3bae85e564beb1ae9843169eb9">RSA_PRIVATE</a> && ctx-><a class="code" href="structrsa__context.html#ac2599f716413534b2925670d5523c6bf">padding</a> != <a class="code" href="rsa_8h.html#acc924b6d08c92a2252fbab6c6ca5860e">RSA_PKCS_V15</a> )</div>
<div class="line"><a name="l01277"></a><span class="lineno"> 1277</span>  <span class="keywordflow">return</span>( <a class="code" href="rsa_8h.html#aa30403951a6242045d0b47e2b51eccb0">POLARSSL_ERR_RSA_BAD_INPUT_DATA</a> );</div>
<div class="line"><a name="l01278"></a><span class="lineno"> 1278</span> </div>
<div class="line"><a name="l01279"></a><span class="lineno"> 1279</span>  siglen = ctx-><a class="code" href="structrsa__context.html#a8b9aaee69b8d73b0567a2bca7c78b173">len</a>;</div>
<div class="line"><a name="l01280"></a><span class="lineno"> 1280</span> </div>
<div class="line"><a name="l01281"></a><span class="lineno"> 1281</span>  <span class="keywordflow">if</span>( siglen < 16 || siglen > <span class="keyword">sizeof</span>( buf ) )</div>
<div class="line"><a name="l01282"></a><span class="lineno"> 1282</span>  <span class="keywordflow">return</span>( <a class="code" href="rsa_8h.html#aa30403951a6242045d0b47e2b51eccb0">POLARSSL_ERR_RSA_BAD_INPUT_DATA</a> );</div>
<div class="line"><a name="l01283"></a><span class="lineno"> 1283</span> </div>
<div class="line"><a name="l01284"></a><span class="lineno"> 1284</span>  ret = ( mode == <a class="code" href="rsa_8h.html#a1f00bab389d3db27a115db74e32be727">RSA_PUBLIC</a> )</div>
<div class="line"><a name="l01285"></a><span class="lineno"> 1285</span>  ? <a class="code" href="rsa_8h.html#a29709d2f3d05d833b28081b743f9815f">rsa_public</a>( ctx, sig, buf )</div>
<div class="line"><a name="l01286"></a><span class="lineno"> 1286</span>  : <a class="code" href="rsa_8h.html#a305bf558a7137a1037d3f0c536060f06">rsa_private</a>( ctx, f_rng, p_rng, sig, buf );</div>
<div class="line"><a name="l01287"></a><span class="lineno"> 1287</span> </div>
<div class="line"><a name="l01288"></a><span class="lineno"> 1288</span>  <span class="keywordflow">if</span>( ret != 0 )</div>
<div class="line"><a name="l01289"></a><span class="lineno"> 1289</span>  <span class="keywordflow">return</span>( ret );</div>
<div class="line"><a name="l01290"></a><span class="lineno"> 1290</span> </div>
<div class="line"><a name="l01291"></a><span class="lineno"> 1291</span>  p = buf;</div>
<div class="line"><a name="l01292"></a><span class="lineno"> 1292</span> </div>
<div class="line"><a name="l01293"></a><span class="lineno"> 1293</span>  <span class="keywordflow">if</span>( *p++ != 0 || *p++ != RSA_SIGN )</div>
<div class="line"><a name="l01294"></a><span class="lineno"> 1294</span>  <span class="keywordflow">return</span>( <a class="code" href="rsa_8h.html#a2cab7b3c4ddc3bc02ffc59db19d0400f">POLARSSL_ERR_RSA_INVALID_PADDING</a> );</div>
<div class="line"><a name="l01295"></a><span class="lineno"> 1295</span> </div>
<div class="line"><a name="l01296"></a><span class="lineno"> 1296</span>  <span class="keywordflow">while</span>( *p != 0 )</div>
<div class="line"><a name="l01297"></a><span class="lineno"> 1297</span>  {</div>
<div class="line"><a name="l01298"></a><span class="lineno"> 1298</span>  <span class="keywordflow">if</span>( p >= buf + siglen - 1 || *p != 0xFF )</div>
<div class="line"><a name="l01299"></a><span class="lineno"> 1299</span>  <span class="keywordflow">return</span>( <a class="code" href="rsa_8h.html#a2cab7b3c4ddc3bc02ffc59db19d0400f">POLARSSL_ERR_RSA_INVALID_PADDING</a> );</div>
<div class="line"><a name="l01300"></a><span class="lineno"> 1300</span>  p++;</div>
<div class="line"><a name="l01301"></a><span class="lineno"> 1301</span>  }</div>
<div class="line"><a name="l01302"></a><span class="lineno"> 1302</span>  p++;</div>
<div class="line"><a name="l01303"></a><span class="lineno"> 1303</span> </div>
<div class="line"><a name="l01304"></a><span class="lineno"> 1304</span>  len = siglen - ( p - buf );</div>
<div class="line"><a name="l01305"></a><span class="lineno"> 1305</span> </div>
<div class="line"><a name="l01306"></a><span class="lineno"> 1306</span>  <span class="keywordflow">if</span>( len == hashlen && md_alg == <a class="code" href="md_8h.html#af1fbbb67afa0daee4090cde8864e0b68a1058b903a7b49716f1b75cca6e80c4e8">POLARSSL_MD_NONE</a> )</div>
<div class="line"><a name="l01307"></a><span class="lineno"> 1307</span>  {</div>
<div class="line"><a name="l01308"></a><span class="lineno"> 1308</span>  <span class="keywordflow">if</span>( memcmp( p, hash, hashlen ) == 0 )</div>
<div class="line"><a name="l01309"></a><span class="lineno"> 1309</span>  <span class="keywordflow">return</span>( 0 );</div>
<div class="line"><a name="l01310"></a><span class="lineno"> 1310</span>  <span class="keywordflow">else</span></div>
<div class="line"><a name="l01311"></a><span class="lineno"> 1311</span>  <span class="keywordflow">return</span>( <a class="code" href="rsa_8h.html#a6c8054af82b411547c45248cc684609b">POLARSSL_ERR_RSA_VERIFY_FAILED</a> );</div>
<div class="line"><a name="l01312"></a><span class="lineno"> 1312</span>  }</div>
<div class="line"><a name="l01313"></a><span class="lineno"> 1313</span> </div>
<div class="line"><a name="l01314"></a><span class="lineno"> 1314</span>  md_info = <a class="code" href="md_8h.html#a622c94870533dc68f54b8df520d2c6d9">md_info_from_type</a>( md_alg );</div>
<div class="line"><a name="l01315"></a><span class="lineno"> 1315</span>  <span class="keywordflow">if</span>( md_info == NULL )</div>
<div class="line"><a name="l01316"></a><span class="lineno"> 1316</span>  <span class="keywordflow">return</span>( <a class="code" href="rsa_8h.html#aa30403951a6242045d0b47e2b51eccb0">POLARSSL_ERR_RSA_BAD_INPUT_DATA</a> );</div>
<div class="line"><a name="l01317"></a><span class="lineno"> 1317</span>  hashlen = <a class="code" href="md_8h.html#a3e688fee63e53a616d031d6319c07372">md_get_size</a>( md_info );</div>
<div class="line"><a name="l01318"></a><span class="lineno"> 1318</span> </div>
<div class="line"><a name="l01319"></a><span class="lineno"> 1319</span>  end = p + len;</div>
<div class="line"><a name="l01320"></a><span class="lineno"> 1320</span> </div>
<div class="line"><a name="l01321"></a><span class="lineno"> 1321</span>  <span class="comment">// Parse the ASN.1 structure inside the PKCS#1 v1.5 structure</span></div>
<div class="line"><a name="l01322"></a><span class="lineno"> 1322</span>  <span class="comment">//</span></div>
<div class="line"><a name="l01323"></a><span class="lineno"> 1323</span>  <span class="keywordflow">if</span>( ( ret = <a class="code" href="asn1_8h.html#af7d10ad8e91ae5cb4a78f7d7dc1a8ac6">asn1_get_tag</a>( &p, end, &asn1_len,</div>
<div class="line"><a name="l01324"></a><span class="lineno"> 1324</span>  <a class="code" href="group__asn1__module.html#ga799d7b17a9532e1dadc8355f04477e27">ASN1_CONSTRUCTED</a> | <a class="code" href="group__asn1__module.html#ga9321fc9f2a5ef4103008fbe5c4b230df">ASN1_SEQUENCE</a> ) ) != 0 )</div>
<div class="line"><a name="l01325"></a><span class="lineno"> 1325</span>  <span class="keywordflow">return</span>( <a class="code" href="rsa_8h.html#a6c8054af82b411547c45248cc684609b">POLARSSL_ERR_RSA_VERIFY_FAILED</a> );</div>
<div class="line"><a name="l01326"></a><span class="lineno"> 1326</span> </div>
<div class="line"><a name="l01327"></a><span class="lineno"> 1327</span>  <span class="keywordflow">if</span>( asn1_len + 2 != len )</div>
<div class="line"><a name="l01328"></a><span class="lineno"> 1328</span>  <span class="keywordflow">return</span>( <a class="code" href="rsa_8h.html#a6c8054af82b411547c45248cc684609b">POLARSSL_ERR_RSA_VERIFY_FAILED</a> );</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>  <span class="keywordflow">if</span>( ( ret = <a class="code" href="asn1_8h.html#af7d10ad8e91ae5cb4a78f7d7dc1a8ac6">asn1_get_tag</a>( &p, end, &asn1_len,</div>
<div class="line"><a name="l01331"></a><span class="lineno"> 1331</span>  <a class="code" href="group__asn1__module.html#ga799d7b17a9532e1dadc8355f04477e27">ASN1_CONSTRUCTED</a> | <a class="code" href="group__asn1__module.html#ga9321fc9f2a5ef4103008fbe5c4b230df">ASN1_SEQUENCE</a> ) ) != 0 )</div>
<div class="line"><a name="l01332"></a><span class="lineno"> 1332</span>  <span class="keywordflow">return</span>( <a class="code" href="rsa_8h.html#a6c8054af82b411547c45248cc684609b">POLARSSL_ERR_RSA_VERIFY_FAILED</a> );</div>
<div class="line"><a name="l01333"></a><span class="lineno"> 1333</span> </div>
<div class="line"><a name="l01334"></a><span class="lineno"> 1334</span>  <span class="keywordflow">if</span>( asn1_len + 6 + hashlen != len )</div>
<div class="line"><a name="l01335"></a><span class="lineno"> 1335</span>  <span class="keywordflow">return</span>( <a class="code" href="rsa_8h.html#a6c8054af82b411547c45248cc684609b">POLARSSL_ERR_RSA_VERIFY_FAILED</a> );</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>( ( ret = <a class="code" href="asn1_8h.html#af7d10ad8e91ae5cb4a78f7d7dc1a8ac6">asn1_get_tag</a>( &p, end, &oid.<a class="code" href="struct__asn1__buf.html#a44f95c5d0e831dfbb20ce2ac70cb6831">len</a>, <a class="code" href="group__asn1__module.html#ga3fef844d0ea67080b66b3a4d5f0a9ec8">ASN1_OID</a> ) ) != 0 )</div>
<div class="line"><a name="l01338"></a><span class="lineno"> 1338</span>  <span class="keywordflow">return</span>( <a class="code" href="rsa_8h.html#a6c8054af82b411547c45248cc684609b">POLARSSL_ERR_RSA_VERIFY_FAILED</a> );</div>
<div class="line"><a name="l01339"></a><span class="lineno"> 1339</span> </div>
<div class="line"><a name="l01340"></a><span class="lineno"> 1340</span>  oid.<a class="code" href="struct__asn1__buf.html#a5ba4fb2a65b60d2e7fa3737f93e3158e">p</a> = p;</div>
<div class="line"><a name="l01341"></a><span class="lineno"> 1341</span>  p += oid.<a class="code" href="struct__asn1__buf.html#a44f95c5d0e831dfbb20ce2ac70cb6831">len</a>;</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>( <a class="code" href="oid_8h.html#ad54a636dd7a812aed7fd6eeaadbb04e4">oid_get_md_alg</a>( &oid, &msg_md_alg ) != 0 )</div>
<div class="line"><a name="l01344"></a><span class="lineno"> 1344</span>  <span class="keywordflow">return</span>( <a class="code" href="rsa_8h.html#a6c8054af82b411547c45248cc684609b">POLARSSL_ERR_RSA_VERIFY_FAILED</a> );</div>
<div class="line"><a name="l01345"></a><span class="lineno"> 1345</span> </div>
<div class="line"><a name="l01346"></a><span class="lineno"> 1346</span>  <span class="keywordflow">if</span>( md_alg != msg_md_alg )</div>
<div class="line"><a name="l01347"></a><span class="lineno"> 1347</span>  <span class="keywordflow">return</span>( <a class="code" href="rsa_8h.html#a6c8054af82b411547c45248cc684609b">POLARSSL_ERR_RSA_VERIFY_FAILED</a> );</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="comment">/*</span></div>
<div class="line"><a name="l01350"></a><span class="lineno"> 1350</span> <span class="comment"> * assume the algorithm parameters must be NULL</span></div>
<div class="line"><a name="l01351"></a><span class="lineno"> 1351</span> <span class="comment"> */</span></div>
<div class="line"><a name="l01352"></a><span class="lineno"> 1352</span>  <span class="keywordflow">if</span>( ( ret = <a class="code" href="asn1_8h.html#af7d10ad8e91ae5cb4a78f7d7dc1a8ac6">asn1_get_tag</a>( &p, end, &asn1_len, <a class="code" href="group__asn1__module.html#ga381db5db1873cb0b03744322cd9bc19c">ASN1_NULL</a> ) ) != 0 )</div>
<div class="line"><a name="l01353"></a><span class="lineno"> 1353</span>  <span class="keywordflow">return</span>( <a class="code" href="rsa_8h.html#a6c8054af82b411547c45248cc684609b">POLARSSL_ERR_RSA_VERIFY_FAILED</a> );</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>  <span class="keywordflow">if</span>( ( ret = <a class="code" href="asn1_8h.html#af7d10ad8e91ae5cb4a78f7d7dc1a8ac6">asn1_get_tag</a>( &p, end, &asn1_len, <a class="code" href="group__asn1__module.html#gae251e2c2d40228a89468f3f939a18585">ASN1_OCTET_STRING</a> ) ) != 0 )</div>
<div class="line"><a name="l01356"></a><span class="lineno"> 1356</span>  <span class="keywordflow">return</span>( <a class="code" href="rsa_8h.html#a6c8054af82b411547c45248cc684609b">POLARSSL_ERR_RSA_VERIFY_FAILED</a> );</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">if</span>( asn1_len != hashlen )</div>
<div class="line"><a name="l01359"></a><span class="lineno"> 1359</span>  <span class="keywordflow">return</span>( <a class="code" href="rsa_8h.html#a6c8054af82b411547c45248cc684609b">POLARSSL_ERR_RSA_VERIFY_FAILED</a> );</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="keywordflow">if</span>( memcmp( p, hash, hashlen ) != 0 )</div>
<div class="line"><a name="l01362"></a><span class="lineno"> 1362</span>  <span class="keywordflow">return</span>( <a class="code" href="rsa_8h.html#a6c8054af82b411547c45248cc684609b">POLARSSL_ERR_RSA_VERIFY_FAILED</a> );</div>
<div class="line"><a name="l01363"></a><span class="lineno"> 1363</span> </div>
<div class="line"><a name="l01364"></a><span class="lineno"> 1364</span>  p += hashlen;</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>  <span class="keywordflow">if</span>( p != end )</div>
<div class="line"><a name="l01367"></a><span class="lineno"> 1367</span>  <span class="keywordflow">return</span>( <a class="code" href="rsa_8h.html#a6c8054af82b411547c45248cc684609b">POLARSSL_ERR_RSA_VERIFY_FAILED</a> );</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>  <span class="keywordflow">return</span>( 0 );</div>
<div class="line"><a name="l01370"></a><span class="lineno"> 1370</span> }</div>
<div class="line"><a name="l01371"></a><span class="lineno"> 1371</span> <span class="preprocessor">#endif </span><span class="comment">/* POLARSSL_PKCS1_V15 */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l01372"></a><span class="lineno"> 1372</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l01373"></a><span class="lineno"> 1373</span> <span class="comment">/*</span></div>
<div class="line"><a name="l01374"></a><span class="lineno"> 1374</span> <span class="comment"> * Do an RSA operation and check the message digest</span></div>
<div class="line"><a name="l01375"></a><span class="lineno"> 1375</span> <span class="comment"> */</span></div>
<div class="line"><a name="l01376"></a><span class="lineno"> 1376</span> <span class="keywordtype">int</span> <a class="code" href="rsa_8h.html#a779660e9be48a800a1edde7815bf5fd8">rsa_pkcs1_verify</a>( <a class="code" href="structrsa__context.html">rsa_context</a> *ctx,</div>
<div class="line"><a name="l01377"></a><span class="lineno"> 1377</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="l01378"></a><span class="lineno"> 1378</span>  <span class="keywordtype">void</span> *p_rng,</div>
<div class="line"><a name="l01379"></a><span class="lineno"> 1379</span>  <span class="keywordtype">int</span> mode,</div>
<div class="line"><a name="l01380"></a><span class="lineno"> 1380</span>  <a class="code" href="md_8h.html#af1fbbb67afa0daee4090cde8864e0b68">md_type_t</a> md_alg,</div>
<div class="line"><a name="l01381"></a><span class="lineno"> 1381</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> hashlen,</div>
<div class="line"><a name="l01382"></a><span class="lineno"> 1382</span>  <span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *hash,</div>
<div class="line"><a name="l01383"></a><span class="lineno"> 1383</span>  <span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *sig )</div>
<div class="line"><a name="l01384"></a><span class="lineno"> 1384</span> {</div>
<div class="line"><a name="l01385"></a><span class="lineno"> 1385</span>  <span class="keywordflow">switch</span>( ctx-><a class="code" href="structrsa__context.html#ac2599f716413534b2925670d5523c6bf">padding</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> <span class="preprocessor">#if defined(POLARSSL_PKCS1_V15)</span></div>
<div class="line"><a name="l01388"></a><span class="lineno"> 1388</span> <span class="preprocessor"></span> <span class="keywordflow">case</span> <a class="code" href="rsa_8h.html#acc924b6d08c92a2252fbab6c6ca5860e">RSA_PKCS_V15</a>:</div>
<div class="line"><a name="l01389"></a><span class="lineno"> 1389</span>  <span class="keywordflow">return</span> <a class="code" href="rsa_8h.html#a3b4059189cd7e1bd97947811b9ab4d51">rsa_rsassa_pkcs1_v15_verify</a>( ctx, f_rng, p_rng, mode, md_alg,</div>
<div class="line"><a name="l01390"></a><span class="lineno"> 1390</span>  hashlen, hash, sig );</div>
<div class="line"><a name="l01391"></a><span class="lineno"> 1391</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l01392"></a><span class="lineno"> 1392</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l01393"></a><span class="lineno"> 1393</span> <span class="preprocessor">#if defined(POLARSSL_PKCS1_V21)</span></div>
<div class="line"><a name="l01394"></a><span class="lineno"> 1394</span> <span class="preprocessor"></span> <span class="keywordflow">case</span> <a class="code" href="rsa_8h.html#ade2521c3c28b0f5b222fdef75f9f87e9">RSA_PKCS_V21</a>:</div>
<div class="line"><a name="l01395"></a><span class="lineno"> 1395</span>  <span class="keywordflow">return</span> <a class="code" href="rsa_8h.html#a0b437fad52f75b4be7ec2f9389187bf3">rsa_rsassa_pss_verify</a>( ctx, f_rng, p_rng, mode, md_alg,</div>
<div class="line"><a name="l01396"></a><span class="lineno"> 1396</span>  hashlen, hash, sig );</div>
<div class="line"><a name="l01397"></a><span class="lineno"> 1397</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l01398"></a><span class="lineno"> 1398</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l01399"></a><span class="lineno"> 1399</span>  <span class="keywordflow">default</span>:</div>
<div class="line"><a name="l01400"></a><span class="lineno"> 1400</span>  <span class="keywordflow">return</span>( <a class="code" href="rsa_8h.html#a2cab7b3c4ddc3bc02ffc59db19d0400f">POLARSSL_ERR_RSA_INVALID_PADDING</a> );</div>
<div class="line"><a name="l01401"></a><span class="lineno"> 1401</span>  }</div>
<div class="line"><a name="l01402"></a><span class="lineno"> 1402</span> }</div>
<div class="line"><a name="l01403"></a><span class="lineno"> 1403</span> </div>
<div class="line"><a name="l01404"></a><span class="lineno"> 1404</span> <span class="comment">/*</span></div>
<div class="line"><a name="l01405"></a><span class="lineno"> 1405</span> <span class="comment"> * Copy the components of an RSA key</span></div>
<div class="line"><a name="l01406"></a><span class="lineno"> 1406</span> <span class="comment"> */</span></div>
<div class="line"><a name="l01407"></a><span class="lineno"> 1407</span> <span class="keywordtype">int</span> <a class="code" href="rsa_8h.html#a3cc93470d89478a9f89347dc01c95d5b">rsa_copy</a>( <a class="code" href="structrsa__context.html">rsa_context</a> *dst, <span class="keyword">const</span> <a class="code" href="structrsa__context.html">rsa_context</a> *src )</div>
<div class="line"><a name="l01408"></a><span class="lineno"> 1408</span> {</div>
<div class="line"><a name="l01409"></a><span class="lineno"> 1409</span>  <span class="keywordtype">int</span> ret;</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>  dst-><a class="code" href="structrsa__context.html#aa5db43b7b8614eb7233ce57aa2031d40">ver</a> = src-><a class="code" href="structrsa__context.html#aa5db43b7b8614eb7233ce57aa2031d40">ver</a>;</div>
<div class="line"><a name="l01412"></a><span class="lineno"> 1412</span>  dst-><a class="code" href="structrsa__context.html#a8b9aaee69b8d73b0567a2bca7c78b173">len</a> = src-><a class="code" href="structrsa__context.html#a8b9aaee69b8d73b0567a2bca7c78b173">len</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>  <a class="code" href="bignum_8h.html#a024b186dd3608bcbcfc9dd36212a18ec">MPI_CHK</a>( <a class="code" href="bignum_8h.html#a6fbcce39a9d92d9e2a560f8aa6a810f4">mpi_copy</a>( &dst-><a class="code" href="structrsa__context.html#a2f44f168531d8470e7831fd49aea9ae0">N</a>, &src-><a class="code" href="structrsa__context.html#a2f44f168531d8470e7831fd49aea9ae0">N</a> ) );</div>
<div class="line"><a name="l01415"></a><span class="lineno"> 1415</span>  <a class="code" href="bignum_8h.html#a024b186dd3608bcbcfc9dd36212a18ec">MPI_CHK</a>( <a class="code" href="bignum_8h.html#a6fbcce39a9d92d9e2a560f8aa6a810f4">mpi_copy</a>( &dst-><a class="code" href="structrsa__context.html#aa28db934350d34ac8537abb7ec8d519d">E</a>, &src-><a class="code" href="structrsa__context.html#aa28db934350d34ac8537abb7ec8d519d">E</a> ) );</div>
<div class="line"><a name="l01416"></a><span class="lineno"> 1416</span> </div>
<div class="line"><a name="l01417"></a><span class="lineno"> 1417</span>  <a class="code" href="bignum_8h.html#a024b186dd3608bcbcfc9dd36212a18ec">MPI_CHK</a>( <a class="code" href="bignum_8h.html#a6fbcce39a9d92d9e2a560f8aa6a810f4">mpi_copy</a>( &dst-><a class="code" href="structrsa__context.html#af3078ae226d6b5aa335af77a6d46317e">D</a>, &src-><a class="code" href="structrsa__context.html#af3078ae226d6b5aa335af77a6d46317e">D</a> ) );</div>
<div class="line"><a name="l01418"></a><span class="lineno"> 1418</span>  <a class="code" href="bignum_8h.html#a024b186dd3608bcbcfc9dd36212a18ec">MPI_CHK</a>( <a class="code" href="bignum_8h.html#a6fbcce39a9d92d9e2a560f8aa6a810f4">mpi_copy</a>( &dst-><a class="code" href="structrsa__context.html#a352c64edb7488633ddbca88d1a9966c9">P</a>, &src-><a class="code" href="structrsa__context.html#a352c64edb7488633ddbca88d1a9966c9">P</a> ) );</div>
<div class="line"><a name="l01419"></a><span class="lineno"> 1419</span>  <a class="code" href="bignum_8h.html#a024b186dd3608bcbcfc9dd36212a18ec">MPI_CHK</a>( <a class="code" href="bignum_8h.html#a6fbcce39a9d92d9e2a560f8aa6a810f4">mpi_copy</a>( &dst-><a class="code" href="structrsa__context.html#a94bb2c66e84581a0d854f1fc7f6672d8">Q</a>, &src-><a class="code" href="structrsa__context.html#a94bb2c66e84581a0d854f1fc7f6672d8">Q</a> ) );</div>
<div class="line"><a name="l01420"></a><span class="lineno"> 1420</span>  <a class="code" href="bignum_8h.html#a024b186dd3608bcbcfc9dd36212a18ec">MPI_CHK</a>( <a class="code" href="bignum_8h.html#a6fbcce39a9d92d9e2a560f8aa6a810f4">mpi_copy</a>( &dst-><a class="code" href="structrsa__context.html#ad3a4b21e847d540a9bf1b680f0c05880">DP</a>, &src-><a class="code" href="structrsa__context.html#ad3a4b21e847d540a9bf1b680f0c05880">DP</a> ) );</div>
<div class="line"><a name="l01421"></a><span class="lineno"> 1421</span>  <a class="code" href="bignum_8h.html#a024b186dd3608bcbcfc9dd36212a18ec">MPI_CHK</a>( <a class="code" href="bignum_8h.html#a6fbcce39a9d92d9e2a560f8aa6a810f4">mpi_copy</a>( &dst-><a class="code" href="structrsa__context.html#a42fb604a95bea6fc9640715babb8d415">DQ</a>, &src-><a class="code" href="structrsa__context.html#a42fb604a95bea6fc9640715babb8d415">DQ</a> ) );</div>
<div class="line"><a name="l01422"></a><span class="lineno"> 1422</span>  <a class="code" href="bignum_8h.html#a024b186dd3608bcbcfc9dd36212a18ec">MPI_CHK</a>( <a class="code" href="bignum_8h.html#a6fbcce39a9d92d9e2a560f8aa6a810f4">mpi_copy</a>( &dst-><a class="code" href="structrsa__context.html#a364bfb0ef6d240c39053f603ee1cbeca">QP</a>, &src-><a class="code" href="structrsa__context.html#a364bfb0ef6d240c39053f603ee1cbeca">QP</a> ) );</div>
<div class="line"><a name="l01423"></a><span class="lineno"> 1423</span> </div>
<div class="line"><a name="l01424"></a><span class="lineno"> 1424</span>  <a class="code" href="bignum_8h.html#a024b186dd3608bcbcfc9dd36212a18ec">MPI_CHK</a>( <a class="code" href="bignum_8h.html#a6fbcce39a9d92d9e2a560f8aa6a810f4">mpi_copy</a>( &dst-><a class="code" href="structrsa__context.html#a9d76414e85030ddf011b24d8a8bc4f9f">RN</a>, &src-><a class="code" href="structrsa__context.html#a9d76414e85030ddf011b24d8a8bc4f9f">RN</a> ) );</div>
<div class="line"><a name="l01425"></a><span class="lineno"> 1425</span>  <a class="code" href="bignum_8h.html#a024b186dd3608bcbcfc9dd36212a18ec">MPI_CHK</a>( <a class="code" href="bignum_8h.html#a6fbcce39a9d92d9e2a560f8aa6a810f4">mpi_copy</a>( &dst-><a class="code" href="structrsa__context.html#ad00a9b5de055f5cf9d109dd4382b3105">RP</a>, &src-><a class="code" href="structrsa__context.html#ad00a9b5de055f5cf9d109dd4382b3105">RP</a> ) );</div>
<div class="line"><a name="l01426"></a><span class="lineno"> 1426</span>  <a class="code" href="bignum_8h.html#a024b186dd3608bcbcfc9dd36212a18ec">MPI_CHK</a>( <a class="code" href="bignum_8h.html#a6fbcce39a9d92d9e2a560f8aa6a810f4">mpi_copy</a>( &dst-><a class="code" href="structrsa__context.html#a286dcd56958215be3d8e6195456952a2">RQ</a>, &src-><a class="code" href="structrsa__context.html#a286dcd56958215be3d8e6195456952a2">RQ</a> ) );</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> <span class="preprocessor">#if !defined(POLARSSL_RSA_NO_CRT)</span></div>
<div class="line"><a name="l01429"></a><span class="lineno"> 1429</span> <span class="preprocessor"></span> <a class="code" href="bignum_8h.html#a024b186dd3608bcbcfc9dd36212a18ec">MPI_CHK</a>( <a class="code" href="bignum_8h.html#a6fbcce39a9d92d9e2a560f8aa6a810f4">mpi_copy</a>( &dst-><a class="code" href="structrsa__context.html#a83cca59d355689bc62db8ee505489d8c">Vi</a>, &src-><a class="code" href="structrsa__context.html#a83cca59d355689bc62db8ee505489d8c">Vi</a> ) );</div>
<div class="line"><a name="l01430"></a><span class="lineno"> 1430</span>  <a class="code" href="bignum_8h.html#a024b186dd3608bcbcfc9dd36212a18ec">MPI_CHK</a>( <a class="code" href="bignum_8h.html#a6fbcce39a9d92d9e2a560f8aa6a810f4">mpi_copy</a>( &dst-><a class="code" href="structrsa__context.html#a76c7d476300150b3968cb77622238fbe">Vf</a>, &src-><a class="code" href="structrsa__context.html#a76c7d476300150b3968cb77622238fbe">Vf</a> ) );</div>
<div class="line"><a name="l01431"></a><span class="lineno"> 1431</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l01432"></a><span class="lineno"> 1432</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l01433"></a><span class="lineno"> 1433</span>  dst-><a class="code" href="structrsa__context.html#ac2599f716413534b2925670d5523c6bf">padding</a> = src-><a class="code" href="structrsa__context.html#ac2599f716413534b2925670d5523c6bf">padding</a>;</div>
<div class="line"><a name="l01434"></a><span class="lineno"> 1434</span>  dst-><a class="code" href="structrsa__context.html#a735bfa601f5fe16e563da0cab79fdb7b">hash_id</a> = src-><a class="code" href="structrsa__context.html#a735bfa601f5fe16e563da0cab79fdb7b">hash_id</a>;</div>
<div class="line"><a name="l01435"></a><span class="lineno"> 1435</span> </div>
<div class="line"><a name="l01436"></a><span class="lineno"> 1436</span> cleanup:</div>
<div class="line"><a name="l01437"></a><span class="lineno"> 1437</span>  <span class="keywordflow">if</span>( ret != 0 )</div>
<div class="line"><a name="l01438"></a><span class="lineno"> 1438</span>  <a class="code" href="rsa_8h.html#abb5d26b09e183c8a885eaee270c38fc7">rsa_free</a>( dst );</div>
<div class="line"><a name="l01439"></a><span class="lineno"> 1439</span> </div>
<div class="line"><a name="l01440"></a><span class="lineno"> 1440</span>  <span class="keywordflow">return</span>( ret );</div>
<div class="line"><a name="l01441"></a><span class="lineno"> 1441</span> }</div>
<div class="line"><a name="l01442"></a><span class="lineno"> 1442</span> </div>
<div class="line"><a name="l01443"></a><span class="lineno"> 1443</span> <span class="comment">/*</span></div>
<div class="line"><a name="l01444"></a><span class="lineno"> 1444</span> <span class="comment"> * Free the components of an RSA key</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="keywordtype">void</span> <a class="code" href="rsa_8h.html#abb5d26b09e183c8a885eaee270c38fc7">rsa_free</a>( <a class="code" href="structrsa__context.html">rsa_context</a> *ctx )</div>
<div class="line"><a name="l01447"></a><span class="lineno"> 1447</span> {</div>
<div class="line"><a name="l01448"></a><span class="lineno"> 1448</span> <span class="preprocessor">#if !defined(POLARSSL_RSA_NO_CRT)</span></div>
<div class="line"><a name="l01449"></a><span class="lineno"> 1449</span> <span class="preprocessor"></span> <a class="code" href="bignum_8h.html#ae1f6507671587755e46bbf0afcae6a8c">mpi_free</a>( &ctx-><a class="code" href="structrsa__context.html#a83cca59d355689bc62db8ee505489d8c">Vi</a> ); <a class="code" href="bignum_8h.html#ae1f6507671587755e46bbf0afcae6a8c">mpi_free</a>( &ctx-><a class="code" href="structrsa__context.html#a76c7d476300150b3968cb77622238fbe">Vf</a> );</div>
<div class="line"><a name="l01450"></a><span class="lineno"> 1450</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l01451"></a><span class="lineno"> 1451</span> <span class="preprocessor"></span> <a class="code" href="bignum_8h.html#ae1f6507671587755e46bbf0afcae6a8c">mpi_free</a>( &ctx-><a class="code" href="structrsa__context.html#a286dcd56958215be3d8e6195456952a2">RQ</a> ); <a class="code" href="bignum_8h.html#ae1f6507671587755e46bbf0afcae6a8c">mpi_free</a>( &ctx-><a class="code" href="structrsa__context.html#ad00a9b5de055f5cf9d109dd4382b3105">RP</a> ); <a class="code" href="bignum_8h.html#ae1f6507671587755e46bbf0afcae6a8c">mpi_free</a>( &ctx-><a class="code" href="structrsa__context.html#a9d76414e85030ddf011b24d8a8bc4f9f">RN</a> );</div>
<div class="line"><a name="l01452"></a><span class="lineno"> 1452</span>  <a class="code" href="bignum_8h.html#ae1f6507671587755e46bbf0afcae6a8c">mpi_free</a>( &ctx-><a class="code" href="structrsa__context.html#a364bfb0ef6d240c39053f603ee1cbeca">QP</a> ); <a class="code" href="bignum_8h.html#ae1f6507671587755e46bbf0afcae6a8c">mpi_free</a>( &ctx-><a class="code" href="structrsa__context.html#a42fb604a95bea6fc9640715babb8d415">DQ</a> ); <a class="code" href="bignum_8h.html#ae1f6507671587755e46bbf0afcae6a8c">mpi_free</a>( &ctx-><a class="code" href="structrsa__context.html#ad3a4b21e847d540a9bf1b680f0c05880">DP</a> );</div>
<div class="line"><a name="l01453"></a><span class="lineno"> 1453</span>  <a class="code" href="bignum_8h.html#ae1f6507671587755e46bbf0afcae6a8c">mpi_free</a>( &ctx-><a class="code" href="structrsa__context.html#a94bb2c66e84581a0d854f1fc7f6672d8">Q</a> ); <a class="code" href="bignum_8h.html#ae1f6507671587755e46bbf0afcae6a8c">mpi_free</a>( &ctx-><a class="code" href="structrsa__context.html#a352c64edb7488633ddbca88d1a9966c9">P</a> ); <a class="code" href="bignum_8h.html#ae1f6507671587755e46bbf0afcae6a8c">mpi_free</a>( &ctx-><a class="code" href="structrsa__context.html#af3078ae226d6b5aa335af77a6d46317e">D</a> );</div>
<div class="line"><a name="l01454"></a><span class="lineno"> 1454</span>  <a class="code" href="bignum_8h.html#ae1f6507671587755e46bbf0afcae6a8c">mpi_free</a>( &ctx-><a class="code" href="structrsa__context.html#aa28db934350d34ac8537abb7ec8d519d">E</a> ); <a class="code" href="bignum_8h.html#ae1f6507671587755e46bbf0afcae6a8c">mpi_free</a>( &ctx-><a class="code" href="structrsa__context.html#a2f44f168531d8470e7831fd49aea9ae0">N</a> );</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> <span class="preprocessor">#if defined(POLARSSL_THREADING_C)</span></div>
<div class="line"><a name="l01457"></a><span class="lineno"> 1457</span> <span class="preprocessor"></span> <a class="code" href="threading_8h.html#aaf60b0265d71e36e1429c513e2890a0f">polarssl_mutex_free</a>( &ctx->mutex );</div>
<div class="line"><a name="l01458"></a><span class="lineno"> 1458</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l01459"></a><span class="lineno"> 1459</span> <span class="preprocessor"></span>}</div>
<div class="line"><a name="l01460"></a><span class="lineno"> 1460</span> </div>
<div class="line"><a name="l01461"></a><span class="lineno"> 1461</span> <span class="preprocessor">#if defined(POLARSSL_SELF_TEST)</span></div>
<div class="line"><a name="l01462"></a><span class="lineno"> 1462</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l01463"></a><span class="lineno"> 1463</span> <span class="preprocessor">#include "<a class="code" href="sha1_8h.html">polarssl/sha1.h</a>"</span></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> <span class="comment">/*</span></div>
<div class="line"><a name="l01466"></a><span class="lineno"> 1466</span> <span class="comment"> * Example RSA-1024 keypair, for test purposes</span></div>
<div class="line"><a name="l01467"></a><span class="lineno"> 1467</span> <span class="comment"> */</span></div>
<div class="line"><a name="l01468"></a><span class="lineno"> 1468</span> <span class="preprocessor">#define KEY_LEN 128</span></div>
<div class="line"><a name="l01469"></a><span class="lineno"> 1469</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l01470"></a><span class="lineno"> 1470</span> <span class="preprocessor">#define RSA_N "9292758453063D803DD603D5E777D788" \</span></div>
<div class="line"><a name="l01471"></a><span class="lineno"> 1471</span> <span class="preprocessor"> "8ED1D5BF35786190FA2F23EBC0848AEA" \</span></div>
<div class="line"><a name="l01472"></a><span class="lineno"> 1472</span> <span class="preprocessor"> "DDA92CA6C3D80B32C4D109BE0F36D6AE" \</span></div>
<div class="line"><a name="l01473"></a><span class="lineno"> 1473</span> <span class="preprocessor"> "7130B9CED7ACDF54CFC7555AC14EEBAB" \</span></div>
<div class="line"><a name="l01474"></a><span class="lineno"> 1474</span> <span class="preprocessor"> "93A89813FBF3C4F8066D2D800F7C38A8" \</span></div>
<div class="line"><a name="l01475"></a><span class="lineno"> 1475</span> <span class="preprocessor"> "1AE31942917403FF4946B0A83D3D3E05" \</span></div>
<div class="line"><a name="l01476"></a><span class="lineno"> 1476</span> <span class="preprocessor"> "EE57C6F5F5606FB5D4BC6CD34EE0801A" \</span></div>
<div class="line"><a name="l01477"></a><span class="lineno"> 1477</span> <span class="preprocessor"> "5E94BB77B07507233A0BC7BAC8F90F79"</span></div>
<div class="line"><a name="l01478"></a><span class="lineno"> 1478</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l01479"></a><span class="lineno"> 1479</span> <span class="preprocessor">#define RSA_E "10001"</span></div>
<div class="line"><a name="l01480"></a><span class="lineno"> 1480</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l01481"></a><span class="lineno"> 1481</span> <span class="preprocessor">#define RSA_D "24BF6185468786FDD303083D25E64EFC" \</span></div>
<div class="line"><a name="l01482"></a><span class="lineno"> 1482</span> <span class="preprocessor"> "66CA472BC44D253102F8B4A9D3BFA750" \</span></div>
<div class="line"><a name="l01483"></a><span class="lineno"> 1483</span> <span class="preprocessor"> "91386C0077937FE33FA3252D28855837" \</span></div>
<div class="line"><a name="l01484"></a><span class="lineno"> 1484</span> <span class="preprocessor"> "AE1B484A8A9A45F7EE8C0C634F99E8CD" \</span></div>
<div class="line"><a name="l01485"></a><span class="lineno"> 1485</span> <span class="preprocessor"> "DF79C5CE07EE72C7F123142198164234" \</span></div>
<div class="line"><a name="l01486"></a><span class="lineno"> 1486</span> <span class="preprocessor"> "CABB724CF78B8173B9F880FC86322407" \</span></div>
<div class="line"><a name="l01487"></a><span class="lineno"> 1487</span> <span class="preprocessor"> "AF1FEDFDDE2BEB674CA15F3E81A1521E" \</span></div>
<div class="line"><a name="l01488"></a><span class="lineno"> 1488</span> <span class="preprocessor"> "071513A1E85B5DFA031F21ECAE91A34D"</span></div>
<div class="line"><a name="l01489"></a><span class="lineno"> 1489</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l01490"></a><span class="lineno"> 1490</span> <span class="preprocessor">#define RSA_P "C36D0EB7FCD285223CFB5AABA5BDA3D8" \</span></div>
<div class="line"><a name="l01491"></a><span class="lineno"> 1491</span> <span class="preprocessor"> "2C01CAD19EA484A87EA4377637E75500" \</span></div>
<div class="line"><a name="l01492"></a><span class="lineno"> 1492</span> <span class="preprocessor"> "FCB2005C5C7DD6EC4AC023CDA285D796" \</span></div>
<div class="line"><a name="l01493"></a><span class="lineno"> 1493</span> <span class="preprocessor"> "C3D9E75E1EFC42488BB4F1D13AC30A57"</span></div>
<div class="line"><a name="l01494"></a><span class="lineno"> 1494</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l01495"></a><span class="lineno"> 1495</span> <span class="preprocessor">#define RSA_Q "C000DF51A7C77AE8D7C7370C1FF55B69" \</span></div>
<div class="line"><a name="l01496"></a><span class="lineno"> 1496</span> <span class="preprocessor"> "E211C2B9E5DB1ED0BF61D0D9899620F4" \</span></div>
<div class="line"><a name="l01497"></a><span class="lineno"> 1497</span> <span class="preprocessor"> "910E4168387E3C30AA1E00C339A79508" \</span></div>
<div class="line"><a name="l01498"></a><span class="lineno"> 1498</span> <span class="preprocessor"> "8452DD96A9A5EA5D9DCA68DA636032AF"</span></div>
<div class="line"><a name="l01499"></a><span class="lineno"> 1499</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l01500"></a><span class="lineno"> 1500</span> <span class="preprocessor">#define RSA_DP "C1ACF567564274FB07A0BBAD5D26E298" \</span></div>
<div class="line"><a name="l01501"></a><span class="lineno"> 1501</span> <span class="preprocessor"> "3C94D22288ACD763FD8E5600ED4A702D" \</span></div>
<div class="line"><a name="l01502"></a><span class="lineno"> 1502</span> <span class="preprocessor"> "F84198A5F06C2E72236AE490C93F07F8" \</span></div>
<div class="line"><a name="l01503"></a><span class="lineno"> 1503</span> <span class="preprocessor"> "3CC559CD27BC2D1CA488811730BB5725"</span></div>
<div class="line"><a name="l01504"></a><span class="lineno"> 1504</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l01505"></a><span class="lineno"> 1505</span> <span class="preprocessor">#define RSA_DQ "4959CBF6F8FEF750AEE6977C155579C7" \</span></div>
<div class="line"><a name="l01506"></a><span class="lineno"> 1506</span> <span class="preprocessor"> "D8AAEA56749EA28623272E4F7D0592AF" \</span></div>
<div class="line"><a name="l01507"></a><span class="lineno"> 1507</span> <span class="preprocessor"> "7C1F1313CAC9471B5C523BFE592F517B" \</span></div>
<div class="line"><a name="l01508"></a><span class="lineno"> 1508</span> <span class="preprocessor"> "407A1BD76C164B93DA2D32A383E58357"</span></div>
<div class="line"><a name="l01509"></a><span class="lineno"> 1509</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l01510"></a><span class="lineno"> 1510</span> <span class="preprocessor">#define RSA_QP "9AE7FBC99546432DF71896FC239EADAE" \</span></div>
<div class="line"><a name="l01511"></a><span class="lineno"> 1511</span> <span class="preprocessor"> "F38D18D2B2F0E2DD275AA977E2BF4411" \</span></div>
<div class="line"><a name="l01512"></a><span class="lineno"> 1512</span> <span class="preprocessor"> "F5A3B2A5D33605AEBBCCBA7FEB9F2D2F" \</span></div>
<div class="line"><a name="l01513"></a><span class="lineno"> 1513</span> <span class="preprocessor"> "A74206CEC169D74BF5A8C50D6F48EA08"</span></div>
<div class="line"><a name="l01514"></a><span class="lineno"> 1514</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l01515"></a><span class="lineno"> 1515</span> <span class="preprocessor">#define PT_LEN 24</span></div>
<div class="line"><a name="l01516"></a><span class="lineno"> 1516</span> <span class="preprocessor"></span><span class="preprocessor">#define RSA_PT "\xAA\xBB\xCC\x03\x02\x01\x00\xFF\xFF\xFF\xFF\xFF" \</span></div>
<div class="line"><a name="l01517"></a><span class="lineno"> 1517</span> <span class="preprocessor"> "\x11\x22\x33\x0A\x0B\x0C\xCC\xDD\xDD\xDD\xDD\xDD"</span></div>
<div class="line"><a name="l01518"></a><span class="lineno"> 1518</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l01519"></a><span class="lineno"> 1519</span> <span class="preprocessor">#if defined(POLARSSL_PKCS1_V15)</span></div>
<div class="line"><a name="l01520"></a><span class="lineno"> 1520</span> <span class="preprocessor"></span><span class="keyword">static</span> <span class="keywordtype">int</span> myrand( <span class="keywordtype">void</span> *rng_state, <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *output, <span class="keywordtype">size_t</span> len )</div>
<div class="line"><a name="l01521"></a><span class="lineno"> 1521</span> {</div>
<div class="line"><a name="l01522"></a><span class="lineno"> 1522</span> <span class="preprocessor">#if !defined(__OpenBSD__)</span></div>
<div class="line"><a name="l01523"></a><span class="lineno"> 1523</span> <span class="preprocessor"></span> <span class="keywordtype">size_t</span> i;</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>  <span class="keywordflow">if</span>( rng_state != NULL )</div>
<div class="line"><a name="l01526"></a><span class="lineno"> 1526</span>  rng_state = NULL;</div>
<div class="line"><a name="l01527"></a><span class="lineno"> 1527</span> </div>
<div class="line"><a name="l01528"></a><span class="lineno"> 1528</span>  <span class="keywordflow">for</span>( i = 0; i < len; ++i )</div>
<div class="line"><a name="l01529"></a><span class="lineno"> 1529</span>  output[i] = rand();</div>
<div class="line"><a name="l01530"></a><span class="lineno"> 1530</span> <span class="preprocessor">#else</span></div>
<div class="line"><a name="l01531"></a><span class="lineno"> 1531</span> <span class="preprocessor"></span> <span class="keywordflow">if</span>( rng_state != NULL )</div>
<div class="line"><a name="l01532"></a><span class="lineno"> 1532</span>  rng_state = NULL;</div>
<div class="line"><a name="l01533"></a><span class="lineno"> 1533</span> </div>
<div class="line"><a name="l01534"></a><span class="lineno"> 1534</span>  arc4random_buf( output, len );</div>
<div class="line"><a name="l01535"></a><span class="lineno"> 1535</span> <span class="preprocessor">#endif </span><span class="comment">/* !OpenBSD */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l01536"></a><span class="lineno"> 1536</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l01537"></a><span class="lineno"> 1537</span>  <span class="keywordflow">return</span>( 0 );</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="preprocessor">#endif </span><span class="comment">/* POLARSSL_PKCS1_V15 */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l01540"></a><span class="lineno"> 1540</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l01541"></a><span class="lineno"> 1541</span> <span class="comment">/*</span></div>
<div class="line"><a name="l01542"></a><span class="lineno"> 1542</span> <span class="comment"> * Checkup routine</span></div>
<div class="line"><a name="l01543"></a><span class="lineno"> 1543</span> <span class="comment"> */</span></div>
<div class="line"><a name="l01544"></a><span class="lineno"> 1544</span> <span class="keywordtype">int</span> <a class="code" href="rsa_8h.html#a118d1ea38ffeaef3ebfdfb418d2c42dd">rsa_self_test</a>( <span class="keywordtype">int</span> verbose )</div>
<div class="line"><a name="l01545"></a><span class="lineno"> 1545</span> {</div>
<div class="line"><a name="l01546"></a><span class="lineno"> 1546</span>  <span class="keywordtype">int</span> ret = 0;</div>
<div class="line"><a name="l01547"></a><span class="lineno"> 1547</span> <span class="preprocessor">#if defined(POLARSSL_PKCS1_V15)</span></div>
<div class="line"><a name="l01548"></a><span class="lineno"> 1548</span> <span class="preprocessor"></span> <span class="keywordtype">size_t</span> len;</div>
<div class="line"><a name="l01549"></a><span class="lineno"> 1549</span>  <a class="code" href="structrsa__context.html">rsa_context</a> rsa;</div>
<div class="line"><a name="l01550"></a><span class="lineno"> 1550</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> rsa_plaintext[PT_LEN];</div>
<div class="line"><a name="l01551"></a><span class="lineno"> 1551</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> rsa_decrypted[PT_LEN];</div>
<div class="line"><a name="l01552"></a><span class="lineno"> 1552</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> rsa_ciphertext[KEY_LEN];</div>
<div class="line"><a name="l01553"></a><span class="lineno"> 1553</span> <span class="preprocessor">#if defined(POLARSSL_SHA1_C)</span></div>
<div class="line"><a name="l01554"></a><span class="lineno"> 1554</span> <span class="preprocessor"></span> <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> sha1sum[20];</div>
<div class="line"><a name="l01555"></a><span class="lineno"> 1555</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l01556"></a><span class="lineno"> 1556</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l01557"></a><span class="lineno"> 1557</span>  <a class="code" href="rsa_8h.html#a79875c9f9d5831aecf5ea095905a5b64">rsa_init</a>( &rsa, <a class="code" href="rsa_8h.html#acc924b6d08c92a2252fbab6c6ca5860e">RSA_PKCS_V15</a>, 0 );</div>
<div class="line"><a name="l01558"></a><span class="lineno"> 1558</span> </div>
<div class="line"><a name="l01559"></a><span class="lineno"> 1559</span>  rsa.<a class="code" href="structrsa__context.html#a8b9aaee69b8d73b0567a2bca7c78b173">len</a> = KEY_LEN;</div>
<div class="line"><a name="l01560"></a><span class="lineno"> 1560</span>  <a class="code" href="bignum_8h.html#a024b186dd3608bcbcfc9dd36212a18ec">MPI_CHK</a>( <a class="code" href="bignum_8h.html#a752d12c301f4e5df56f17e9bc8d78d74">mpi_read_string</a>( &rsa.<a class="code" href="structrsa__context.html#a2f44f168531d8470e7831fd49aea9ae0">N</a> , 16, RSA_N ) );</div>
<div class="line"><a name="l01561"></a><span class="lineno"> 1561</span>  <a class="code" href="bignum_8h.html#a024b186dd3608bcbcfc9dd36212a18ec">MPI_CHK</a>( <a class="code" href="bignum_8h.html#a752d12c301f4e5df56f17e9bc8d78d74">mpi_read_string</a>( &rsa.<a class="code" href="structrsa__context.html#aa28db934350d34ac8537abb7ec8d519d">E</a> , 16, RSA_E ) );</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#a752d12c301f4e5df56f17e9bc8d78d74">mpi_read_string</a>( &rsa.<a class="code" href="structrsa__context.html#af3078ae226d6b5aa335af77a6d46317e">D</a> , 16, RSA_D ) );</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#a752d12c301f4e5df56f17e9bc8d78d74">mpi_read_string</a>( &rsa.<a class="code" href="structrsa__context.html#a352c64edb7488633ddbca88d1a9966c9">P</a> , 16, RSA_P ) );</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#a752d12c301f4e5df56f17e9bc8d78d74">mpi_read_string</a>( &rsa.<a class="code" href="structrsa__context.html#a94bb2c66e84581a0d854f1fc7f6672d8">Q</a> , 16, RSA_Q ) );</div>
<div class="line"><a name="l01565"></a><span class="lineno"> 1565</span>  <a class="code" href="bignum_8h.html#a024b186dd3608bcbcfc9dd36212a18ec">MPI_CHK</a>( <a class="code" href="bignum_8h.html#a752d12c301f4e5df56f17e9bc8d78d74">mpi_read_string</a>( &rsa.<a class="code" href="structrsa__context.html#ad3a4b21e847d540a9bf1b680f0c05880">DP</a>, 16, RSA_DP ) );</div>
<div class="line"><a name="l01566"></a><span class="lineno"> 1566</span>  <a class="code" href="bignum_8h.html#a024b186dd3608bcbcfc9dd36212a18ec">MPI_CHK</a>( <a class="code" href="bignum_8h.html#a752d12c301f4e5df56f17e9bc8d78d74">mpi_read_string</a>( &rsa.<a class="code" href="structrsa__context.html#a42fb604a95bea6fc9640715babb8d415">DQ</a>, 16, RSA_DQ ) );</div>
<div class="line"><a name="l01567"></a><span class="lineno"> 1567</span>  <a class="code" href="bignum_8h.html#a024b186dd3608bcbcfc9dd36212a18ec">MPI_CHK</a>( <a class="code" href="bignum_8h.html#a752d12c301f4e5df56f17e9bc8d78d74">mpi_read_string</a>( &rsa.<a class="code" href="structrsa__context.html#a364bfb0ef6d240c39053f603ee1cbeca">QP</a>, 16, RSA_QP ) );</div>
<div class="line"><a name="l01568"></a><span class="lineno"> 1568</span> </div>
<div class="line"><a name="l01569"></a><span class="lineno"> 1569</span>  <span class="keywordflow">if</span>( verbose != 0 )</div>
<div class="line"><a name="l01570"></a><span class="lineno"> 1570</span>  <a class="code" href="test__suite__aes_8cbc_8c.html#afc6a7362c0f0c9cfa8fc76b3281e2b37">polarssl_printf</a>( <span class="stringliteral">" RSA key validation: "</span> );</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>  <span class="keywordflow">if</span>( <a class="code" href="rsa_8h.html#ae8208f2c3741564581ec745b27524c45">rsa_check_pubkey</a>( &rsa ) != 0 ||</div>
<div class="line"><a name="l01573"></a><span class="lineno"> 1573</span>  <a class="code" href="rsa_8h.html#a0fe904ec611cd6b53c72b7308f3ed3db">rsa_check_privkey</a>( &rsa ) != 0 )</div>
<div class="line"><a name="l01574"></a><span class="lineno"> 1574</span>  {</div>
<div class="line"><a name="l01575"></a><span class="lineno"> 1575</span>  <span class="keywordflow">if</span>( verbose != 0 )</div>
<div class="line"><a name="l01576"></a><span class="lineno"> 1576</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="l01577"></a><span class="lineno"> 1577</span> </div>
<div class="line"><a name="l01578"></a><span class="lineno"> 1578</span>  <span class="keywordflow">return</span>( 1 );</div>
<div class="line"><a name="l01579"></a><span class="lineno"> 1579</span>  }</div>
<div class="line"><a name="l01580"></a><span class="lineno"> 1580</span> </div>
<div class="line"><a name="l01581"></a><span class="lineno"> 1581</span>  <span class="keywordflow">if</span>( verbose != 0 )</div>
<div class="line"><a name="l01582"></a><span class="lineno"> 1582</span>  <a class="code" href="test__suite__aes_8cbc_8c.html#afc6a7362c0f0c9cfa8fc76b3281e2b37">polarssl_printf</a>( <span class="stringliteral">"passed\n PKCS#1 encryption : "</span> );</div>
<div class="line"><a name="l01583"></a><span class="lineno"> 1583</span> </div>
<div class="line"><a name="l01584"></a><span class="lineno"> 1584</span>  memcpy( rsa_plaintext, RSA_PT, PT_LEN );</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>( <a class="code" href="rsa_8h.html#a16791653e4d448e25944e3579f727b50">rsa_pkcs1_encrypt</a>( &rsa, myrand, NULL, <a class="code" href="rsa_8h.html#a1f00bab389d3db27a115db74e32be727">RSA_PUBLIC</a>, PT_LEN,</div>
<div class="line"><a name="l01587"></a><span class="lineno"> 1587</span>  rsa_plaintext, rsa_ciphertext ) != 0 )</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">if</span>( verbose != 0 )</div>
<div class="line"><a name="l01590"></a><span class="lineno"> 1590</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="l01591"></a><span class="lineno"> 1591</span> </div>
<div class="line"><a name="l01592"></a><span class="lineno"> 1592</span>  <span class="keywordflow">return</span>( 1 );</div>
<div class="line"><a name="l01593"></a><span class="lineno"> 1593</span>  }</div>
<div class="line"><a name="l01594"></a><span class="lineno"> 1594</span> </div>
<div class="line"><a name="l01595"></a><span class="lineno"> 1595</span>  <span class="keywordflow">if</span>( verbose != 0 )</div>
<div class="line"><a name="l01596"></a><span class="lineno"> 1596</span>  <a class="code" href="test__suite__aes_8cbc_8c.html#afc6a7362c0f0c9cfa8fc76b3281e2b37">polarssl_printf</a>( <span class="stringliteral">"passed\n PKCS#1 decryption : "</span> );</div>
<div class="line"><a name="l01597"></a><span class="lineno"> 1597</span> </div>
<div class="line"><a name="l01598"></a><span class="lineno"> 1598</span>  <span class="keywordflow">if</span>( <a class="code" href="rsa_8h.html#a01f8396add05e6e621f8e97d58f75e3a">rsa_pkcs1_decrypt</a>( &rsa, myrand, NULL, <a class="code" href="rsa_8h.html#aeaabdd3bae85e564beb1ae9843169eb9">RSA_PRIVATE</a>, &len,</div>
<div class="line"><a name="l01599"></a><span class="lineno"> 1599</span>  rsa_ciphertext, rsa_decrypted,</div>
<div class="line"><a name="l01600"></a><span class="lineno"> 1600</span>  <span class="keyword">sizeof</span>(rsa_decrypted) ) != 0 )</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="keywordflow">if</span>( verbose != 0 )</div>
<div class="line"><a name="l01603"></a><span class="lineno"> 1603</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="l01604"></a><span class="lineno"> 1604</span> </div>
<div class="line"><a name="l01605"></a><span class="lineno"> 1605</span>  <span class="keywordflow">return</span>( 1 );</div>
<div class="line"><a name="l01606"></a><span class="lineno"> 1606</span>  }</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>( memcmp( rsa_decrypted, rsa_plaintext, len ) != 0 )</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="keywordflow">if</span>( verbose != 0 )</div>
<div class="line"><a name="l01611"></a><span class="lineno"> 1611</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="l01612"></a><span class="lineno"> 1612</span> </div>
<div class="line"><a name="l01613"></a><span class="lineno"> 1613</span>  <span class="keywordflow">return</span>( 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> </div>
<div class="line"><a name="l01616"></a><span class="lineno"> 1616</span> <span class="preprocessor">#if defined(POLARSSL_SHA1_C)</span></div>
<div class="line"><a name="l01617"></a><span class="lineno"> 1617</span> <span class="preprocessor"></span> <span class="keywordflow">if</span>( verbose != 0 )</div>
<div class="line"><a name="l01618"></a><span class="lineno"> 1618</span>  <a class="code" href="test__suite__aes_8cbc_8c.html#afc6a7362c0f0c9cfa8fc76b3281e2b37">polarssl_printf</a>( <span class="stringliteral">"passed\n PKCS#1 data sign : "</span> );</div>
<div class="line"><a name="l01619"></a><span class="lineno"> 1619</span> </div>
<div class="line"><a name="l01620"></a><span class="lineno"> 1620</span>  <a class="code" href="sha1_8h.html#a0650fb3d7df7e2bb4b512804b914d5ee">sha1</a>( rsa_plaintext, PT_LEN, sha1sum );</div>
<div class="line"><a name="l01621"></a><span class="lineno"> 1621</span> </div>
<div class="line"><a name="l01622"></a><span class="lineno"> 1622</span>  <span class="keywordflow">if</span>( <a class="code" href="rsa_8h.html#a1dd6fe83383d20d338a7434e80bc0554">rsa_pkcs1_sign</a>( &rsa, myrand, NULL, <a class="code" href="rsa_8h.html#aeaabdd3bae85e564beb1ae9843169eb9">RSA_PRIVATE</a>, <a class="code" href="md_8h.html#af1fbbb67afa0daee4090cde8864e0b68a3d59000e02cfa0867e14002d95046335">POLARSSL_MD_SHA1</a>, 0,</div>
<div class="line"><a name="l01623"></a><span class="lineno"> 1623</span>  sha1sum, rsa_ciphertext ) != 0 )</div>
<div class="line"><a name="l01624"></a><span class="lineno"> 1624</span>  {</div>
<div class="line"><a name="l01625"></a><span class="lineno"> 1625</span>  <span class="keywordflow">if</span>( verbose != 0 )</div>
<div class="line"><a name="l01626"></a><span class="lineno"> 1626</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="l01627"></a><span class="lineno"> 1627</span> </div>
<div class="line"><a name="l01628"></a><span class="lineno"> 1628</span>  <span class="keywordflow">return</span>( 1 );</div>
<div class="line"><a name="l01629"></a><span class="lineno"> 1629</span>  }</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>  <span class="keywordflow">if</span>( verbose != 0 )</div>
<div class="line"><a name="l01632"></a><span class="lineno"> 1632</span>  <a class="code" href="test__suite__aes_8cbc_8c.html#afc6a7362c0f0c9cfa8fc76b3281e2b37">polarssl_printf</a>( <span class="stringliteral">"passed\n PKCS#1 sig. verify: "</span> );</div>
<div class="line"><a name="l01633"></a><span class="lineno"> 1633</span> </div>
<div class="line"><a name="l01634"></a><span class="lineno"> 1634</span>  <span class="keywordflow">if</span>( <a class="code" href="rsa_8h.html#a779660e9be48a800a1edde7815bf5fd8">rsa_pkcs1_verify</a>( &rsa, NULL, NULL, <a class="code" href="rsa_8h.html#a1f00bab389d3db27a115db74e32be727">RSA_PUBLIC</a>, <a class="code" href="md_8h.html#af1fbbb67afa0daee4090cde8864e0b68a3d59000e02cfa0867e14002d95046335">POLARSSL_MD_SHA1</a>, 0,</div>
<div class="line"><a name="l01635"></a><span class="lineno"> 1635</span>  sha1sum, rsa_ciphertext ) != 0 )</div>
<div class="line"><a name="l01636"></a><span class="lineno"> 1636</span>  {</div>
<div class="line"><a name="l01637"></a><span class="lineno"> 1637</span>  <span class="keywordflow">if</span>( verbose != 0 )</div>
<div class="line"><a name="l01638"></a><span class="lineno"> 1638</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="l01639"></a><span class="lineno"> 1639</span> </div>
<div class="line"><a name="l01640"></a><span class="lineno"> 1640</span>  <span class="keywordflow">return</span>( 1 );</div>
<div class="line"><a name="l01641"></a><span class="lineno"> 1641</span>  }</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>( verbose != 0 )</div>
<div class="line"><a name="l01644"></a><span class="lineno"> 1644</span>  <a class="code" href="test__suite__aes_8cbc_8c.html#afc6a7362c0f0c9cfa8fc76b3281e2b37">polarssl_printf</a>( <span class="stringliteral">"passed\n\n"</span> );</div>
<div class="line"><a name="l01645"></a><span class="lineno"> 1645</span> <span class="preprocessor">#endif </span><span class="comment">/* POLARSSL_SHA1_C */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l01646"></a><span class="lineno"> 1646</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l01647"></a><span class="lineno"> 1647</span> cleanup:</div>
<div class="line"><a name="l01648"></a><span class="lineno"> 1648</span>  <a class="code" href="rsa_8h.html#abb5d26b09e183c8a885eaee270c38fc7">rsa_free</a>( &rsa );</div>
<div class="line"><a name="l01649"></a><span class="lineno"> 1649</span> <span class="preprocessor">#else </span><span class="comment">/* POLARSSL_PKCS1_V15 */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l01650"></a><span class="lineno"> 1650</span> <span class="preprocessor"></span> ((void) verbose);</div>
<div class="line"><a name="l01651"></a><span class="lineno"> 1651</span> <span class="preprocessor">#endif </span><span class="comment">/* POLARSSL_PKCS1_V15 */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l01652"></a><span class="lineno"> 1652</span> <span class="preprocessor"></span> <span class="keywordflow">return</span>( ret );</div>
<div class="line"><a name="l01653"></a><span class="lineno"> 1653</span> }</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="preprocessor">#endif </span><span class="comment">/* POLARSSL_SELF_TEST */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l01656"></a><span class="lineno"> 1656</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l01657"></a><span class="lineno"> 1657</span> <span class="preprocessor">#endif </span><span class="comment">/* POLARSSL_RSA_C */</span><span class="preprocessor"></span></div>
<div class="ttc" id="md_8h_html_aae13853f5988bdef5c27ee475ba1295f"><div class="ttname"><a href="md_8h.html#aae13853f5988bdef5c27ee475ba1295f">md</a></div><div class="ttdeci">int md(const md_info_t *md_info, const unsigned char *input, size_t ilen, unsigned char *output)</div><div class="ttdoc">Output = message_digest( input buffer ) </div></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="rsa_8h_html_a1eb1e554a1fbed5abf93c566bc7751be"><div class="ttname"><a href="rsa_8h.html#a1eb1e554a1fbed5abf93c566bc7751be">POLARSSL_ERR_RSA_OUTPUT_TOO_LARGE</a></div><div class="ttdeci">#define POLARSSL_ERR_RSA_OUTPUT_TOO_LARGE</div><div class="ttdoc">The output buffer for decryption is not large enough. </div><div class="ttdef"><b>Definition:</b> <a href="rsa_8h_source.html#l00053">rsa.h:53</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="group__asn1__module_html_ga381db5db1873cb0b03744322cd9bc19c"><div class="ttname"><a href="group__asn1__module.html#ga381db5db1873cb0b03744322cd9bc19c">ASN1_NULL</a></div><div class="ttdeci">#define ASN1_NULL</div><div class="ttdef"><b>Definition:</b> <a href="asn1_8h_source.html#l00079">asn1.h:79</a></div></div>
<div class="ttc" id="rsa_8h_html_afdeb08b89f455b4c80a8283a1559b97d"><div class="ttname"><a href="rsa_8h.html#afdeb08b89f455b4c80a8283a1559b97d">RSA_CRYPT</a></div><div class="ttdeci">#define RSA_CRYPT</div><div class="ttdef"><b>Definition:</b> <a href="rsa_8h_source.html#l00066">rsa.h:66</a></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="rsa_8h_html_a118d1ea38ffeaef3ebfdfb418d2c42dd"><div class="ttname"><a href="rsa_8h.html#a118d1ea38ffeaef3ebfdfb418d2c42dd">rsa_self_test</a></div><div class="ttdeci">int rsa_self_test(int verbose)</div><div class="ttdoc">Checkup routine. </div></div>
<div class="ttc" id="group__asn1__module_html_ga3fef844d0ea67080b66b3a4d5f0a9ec8"><div class="ttname"><a href="group__asn1__module.html#ga3fef844d0ea67080b66b3a4d5f0a9ec8">ASN1_OID</a></div><div class="ttdeci">#define ASN1_OID</div><div class="ttdef"><b>Definition:</b> <a href="asn1_8h_source.html#l00080">asn1.h:80</a></div></div>
<div class="ttc" id="rsa_8h_html_a3cc93470d89478a9f89347dc01c95d5b"><div class="ttname"><a href="rsa_8h.html#a3cc93470d89478a9f89347dc01c95d5b">rsa_copy</a></div><div class="ttdeci">int rsa_copy(rsa_context *dst, const rsa_context *src)</div><div class="ttdoc">Copy the components of an RSA context. </div></div>
<div class="ttc" id="threading_8h_html_a20d968ec5d48ea16cfab980204e3cb90"><div class="ttname"><a href="threading_8h.html#a20d968ec5d48ea16cfab980204e3cb90">polarssl_mutex_lock</a></div><div class="ttdeci">int(* polarssl_mutex_lock)(threading_mutex_t *mutex)</div></div>
<div class="ttc" id="rsa_8h_html_a7aa223539fe35b57b8a221fc9921b116"><div class="ttname"><a href="rsa_8h.html#a7aa223539fe35b57b8a221fc9921b116">rsa_rsaes_oaep_encrypt</a></div><div class="ttdeci">int rsa_rsaes_oaep_encrypt(rsa_context *ctx, int(*f_rng)(void *, unsigned char *, size_t), void *p_rng, int mode, const unsigned char *label, size_t label_len, size_t ilen, const unsigned char *input, unsigned char *output)</div><div class="ttdoc">Perform a PKCS#1 v2.1 OAEP encryption (RSAES-OAEP-ENCRYPT) </div></div>
<div class="ttc" id="rsa_8h_html_a0fe904ec611cd6b53c72b7308f3ed3db"><div class="ttname"><a href="rsa_8h.html#a0fe904ec611cd6b53c72b7308f3ed3db">rsa_check_privkey</a></div><div class="ttdeci">int rsa_check_privkey(const rsa_context *ctx)</div><div class="ttdoc">Check a private RSA key. </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="structrsa__context_html_ac2599f716413534b2925670d5523c6bf"><div class="ttname"><a href="structrsa__context.html#ac2599f716413534b2925670d5523c6bf">rsa_context::padding</a></div><div class="ttdeci">int padding</div><div class="ttdef"><b>Definition:</b> <a href="rsa_8h_source.html#l00107">rsa.h:107</a></div></div>
<div class="ttc" id="sha1_8h_html_a0650fb3d7df7e2bb4b512804b914d5ee"><div class="ttname"><a href="sha1_8h.html#a0650fb3d7df7e2bb4b512804b914d5ee">sha1</a></div><div class="ttdeci">void sha1(const unsigned char *input, size_t ilen, unsigned char output[20])</div><div class="ttdoc">Output = SHA-1( input buffer ) </div></div>
<div class="ttc" id="md_8h_html_a4362ff554b0e3b934a1e3c3b6496fa42"><div class="ttname"><a href="md_8h.html#a4362ff554b0e3b934a1e3c3b6496fa42">md_starts</a></div><div class="ttdeci">int md_starts(md_context_t *ctx)</div><div class="ttdoc">Set-up the given context for a new message digest. </div></div>
<div class="ttc" id="md_8h_html_ae75802b88b5126acc245530be7d9607b"><div class="ttname"><a href="md_8h.html#ae75802b88b5126acc245530be7d9607b">md_init</a></div><div class="ttdeci">void md_init(md_context_t *ctx)</div><div class="ttdoc">Initialize a md_context (as NONE) </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="rsa_8h_html_a3b4059189cd7e1bd97947811b9ab4d51"><div class="ttname"><a href="rsa_8h.html#a3b4059189cd7e1bd97947811b9ab4d51">rsa_rsassa_pkcs1_v15_verify</a></div><div class="ttdeci">int rsa_rsassa_pkcs1_v15_verify(rsa_context *ctx, int(*f_rng)(void *, unsigned char *, size_t), void *p_rng, int mode, md_type_t md_alg, unsigned int hashlen, const unsigned char *hash, const unsigned char *sig)</div><div class="ttdoc">Perform a PKCS#1 v1.5 verification (RSASSA-PKCS1-v1_5-VERIFY) </div></div>
<div class="ttc" id="structrsa__context_html_a76c7d476300150b3968cb77622238fbe"><div class="ttname"><a href="structrsa__context.html#a76c7d476300150b3968cb77622238fbe">rsa_context::Vf</a></div><div class="ttdeci">mpi Vf</div><div class="ttdef"><b>Definition:</b> <a href="rsa_8h_source.html#l00104">rsa.h:104</a></div></div>
<div class="ttc" id="rsa_8h_html_a63c6784b611700b05a8e613a9e33f7cc"><div class="ttname"><a href="rsa_8h.html#a63c6784b611700b05a8e613a9e33f7cc">rsa_rsaes_pkcs1_v15_encrypt</a></div><div class="ttdeci">int rsa_rsaes_pkcs1_v15_encrypt(rsa_context *ctx, int(*f_rng)(void *, unsigned char *, size_t), void *p_rng, int mode, size_t ilen, const unsigned char *input, unsigned char *output)</div><div class="ttdoc">Perform a PKCS#1 v1.5 encryption (RSAES-PKCS1-v1_5-ENCRYPT) </div></div>
<div class="ttc" id="rsa_8h_html_ae89cbd38c2c40f9227326f3842d5b5da"><div class="ttname"><a href="rsa_8h.html#ae89cbd38c2c40f9227326f3842d5b5da">rsa_rsaes_oaep_decrypt</a></div><div class="ttdeci">int rsa_rsaes_oaep_decrypt(rsa_context *ctx, int(*f_rng)(void *, unsigned char *, size_t), void *p_rng, int mode, const unsigned char *label, size_t label_len, size_t *olen, const unsigned char *input, unsigned char *output, size_t output_max_len)</div><div class="ttdoc">Perform a PKCS#1 v2.1 OAEP decryption (RSAES-OAEP-DECRYPT) </div></div>
<div class="ttc" id="md_8h_html_a7c956b5c92531111312324c91b6d83f9"><div class="ttname"><a href="md_8h.html#a7c956b5c92531111312324c91b6d83f9">md_init_ctx</a></div><div class="ttdeci">int md_init_ctx(md_context_t *ctx, const md_info_t *md_info)</div><div class="ttdoc">Initialises and fills the message digest context structure with the appropriate values. </div></div>
<div class="ttc" id="rsa_8h_html_a1f00bab389d3db27a115db74e32be727"><div class="ttname"><a href="rsa_8h.html#a1f00bab389d3db27a115db74e32be727">RSA_PUBLIC</a></div><div class="ttdeci">#define RSA_PUBLIC</div><div class="ttdef"><b>Definition:</b> <a href="rsa_8h_source.html#l00059">rsa.h:59</a></div></div>
<div class="ttc" id="rsa_8h_html_ade2521c3c28b0f5b222fdef75f9f87e9"><div class="ttname"><a href="rsa_8h.html#ade2521c3c28b0f5b222fdef75f9f87e9">RSA_PKCS_V21</a></div><div class="ttdeci">#define RSA_PKCS_V21</div><div class="ttdef"><b>Definition:</b> <a href="rsa_8h_source.html#l00063">rsa.h:63</a></div></div>
<div class="ttc" id="group__asn1__module_html_ga9321fc9f2a5ef4103008fbe5c4b230df"><div class="ttname"><a href="group__asn1__module.html#ga9321fc9f2a5ef4103008fbe5c4b230df">ASN1_SEQUENCE</a></div><div class="ttdeci">#define ASN1_SEQUENCE</div><div class="ttdef"><b>Definition:</b> <a href="asn1_8h_source.html#l00082">asn1.h:82</a></div></div>
<div class="ttc" id="structrsa__context_html_a42fb604a95bea6fc9640715babb8d415"><div class="ttname"><a href="structrsa__context.html#a42fb604a95bea6fc9640715babb8d415">rsa_context::DQ</a></div><div class="ttdeci">mpi DQ</div><div class="ttdef"><b>Definition:</b> <a href="rsa_8h_source.html#l00095">rsa.h:95</a></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="rsa_8h_html_ae8208f2c3741564581ec745b27524c45"><div class="ttname"><a href="rsa_8h.html#ae8208f2c3741564581ec745b27524c45">rsa_check_pubkey</a></div><div class="ttdeci">int rsa_check_pubkey(const rsa_context *ctx)</div><div class="ttdoc">Check a public RSA key. </div></div>
<div class="ttc" id="structrsa__context_html_ad00a9b5de055f5cf9d109dd4382b3105"><div class="ttname"><a href="structrsa__context.html#ad00a9b5de055f5cf9d109dd4382b3105">rsa_context::RP</a></div><div class="ttdeci">mpi RP</div><div class="ttdef"><b>Definition:</b> <a href="rsa_8h_source.html#l00099">rsa.h:99</a></div></div>
<div class="ttc" id="rsa_8h_html_a0b437fad52f75b4be7ec2f9389187bf3"><div class="ttname"><a href="rsa_8h.html#a0b437fad52f75b4be7ec2f9389187bf3">rsa_rsassa_pss_verify</a></div><div class="ttdeci">int rsa_rsassa_pss_verify(rsa_context *ctx, int(*f_rng)(void *, unsigned char *, size_t), void *p_rng, int mode, md_type_t md_alg, unsigned int hashlen, const unsigned char *hash, const unsigned char *sig)</div><div class="ttdoc">Perform a PKCS#1 v2.1 PSS verification (RSASSA-PSS-VERIFY) (This is the &quot;simple&quot; version.) </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="oid_8h_html_ad54a636dd7a812aed7fd6eeaadbb04e4"><div class="ttname"><a href="oid_8h.html#ad54a636dd7a812aed7fd6eeaadbb04e4">oid_get_md_alg</a></div><div class="ttdeci">int oid_get_md_alg(const asn1_buf *oid, md_type_t *md_alg)</div><div class="ttdoc">Translate hash algorithm OID into md_type. </div></div>
<div class="ttc" id="group__asn1__module_html_ga799d7b17a9532e1dadc8355f04477e27"><div class="ttname"><a href="group__asn1__module.html#ga799d7b17a9532e1dadc8355f04477e27">ASN1_CONSTRUCTED</a></div><div class="ttdeci">#define ASN1_CONSTRUCTED</div><div class="ttdef"><b>Definition:</b> <a href="asn1_8h_source.html#l00092">asn1.h:92</a></div></div>
<div class="ttc" id="md_8h_html_a3e688fee63e53a616d031d6319c07372"><div class="ttname"><a href="md_8h.html#a3e688fee63e53a616d031d6319c07372">md_get_size</a></div><div class="ttdeci">static unsigned char md_get_size(const md_info_t *md_info)</div><div class="ttdoc">Returns the size of the message digest output. </div><div class="ttdef"><b>Definition:</b> <a href="md_8h_source.html#l00225">md.h:225</a></div></div>
<div class="ttc" id="rsa_8h_html_a01f8396add05e6e621f8e97d58f75e3a"><div class="ttname"><a href="rsa_8h.html#a01f8396add05e6e621f8e97d58f75e3a">rsa_pkcs1_decrypt</a></div><div class="ttdeci">int rsa_pkcs1_decrypt(rsa_context *ctx, int(*f_rng)(void *, unsigned char *, size_t), void *p_rng, int mode, size_t *olen, const unsigned char *input, unsigned char *output, size_t output_max_len)</div><div class="ttdoc">Generic wrapper to perform a PKCS#1 decryption using the mode from the context. </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="rsa_8h_html_a07f72608ba6249132c9a6cf497f0371d"><div class="ttname"><a href="rsa_8h.html#a07f72608ba6249132c9a6cf497f0371d">POLARSSL_ERR_RSA_RNG_FAILED</a></div><div class="ttdeci">#define POLARSSL_ERR_RSA_RNG_FAILED</div><div class="ttdoc">The random generator failed to generate non-zeros. </div><div class="ttdef"><b>Definition:</b> <a href="rsa_8h_source.html#l00054">rsa.h:54</a></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_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="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="oid_8h_html"><div class="ttname"><a href="oid_8h.html">oid.h</a></div><div class="ttdoc">Object Identifier (OID) database. </div></div>
<div class="ttc" id="structmd__context__t_html_aa6e406b09866de4f065071fd0ae5b3f2"><div class="ttname"><a href="structmd__context__t.html#aa6e406b09866de4f065071fd0ae5b3f2">md_context_t::md_info</a></div><div class="ttdeci">const md_info_t * md_info</div><div class="ttdoc">Information about the associated message digest. </div><div class="ttdef"><b>Definition:</b> <a href="md_8h_source.html#l00134">md.h:134</a></div></div>
<div class="ttc" id="structrsa__context_html_a8b9aaee69b8d73b0567a2bca7c78b173"><div class="ttname"><a href="structrsa__context.html#a8b9aaee69b8d73b0567a2bca7c78b173">rsa_context::len</a></div><div class="ttdeci">size_t len</div><div class="ttdef"><b>Definition:</b> <a href="rsa_8h_source.html#l00086">rsa.h:86</a></div></div>
<div class="ttc" id="md_8h_html_af1fbbb67afa0daee4090cde8864e0b68"><div class="ttname"><a href="md_8h.html#af1fbbb67afa0daee4090cde8864e0b68">md_type_t</a></div><div class="ttdeci">md_type_t</div><div class="ttdef"><b>Definition:</b> <a href="md_8h_source.html#l00051">md.h:51</a></div></div>
<div class="ttc" id="structrsa__context_html_a352c64edb7488633ddbca88d1a9966c9"><div class="ttname"><a href="structrsa__context.html#a352c64edb7488633ddbca88d1a9966c9">rsa_context::P</a></div><div class="ttdeci">mpi P</div><div class="ttdef"><b>Definition:</b> <a href="rsa_8h_source.html#l00092">rsa.h:92</a></div></div>
<div class="ttc" id="structrsa__context_html_a83cca59d355689bc62db8ee505489d8c"><div class="ttname"><a href="structrsa__context.html#a83cca59d355689bc62db8ee505489d8c">rsa_context::Vi</a></div><div class="ttdeci">mpi Vi</div><div class="ttdef"><b>Definition:</b> <a href="rsa_8h_source.html#l00103">rsa.h:103</a></div></div>
<div class="ttc" id="rsa_8h_html_a09a2f3c16c6dd7a933763b1a91181fbb"><div class="ttname"><a href="rsa_8h.html#a09a2f3c16c6dd7a933763b1a91181fbb">rsa_rsaes_pkcs1_v15_decrypt</a></div><div class="ttdeci">int rsa_rsaes_pkcs1_v15_decrypt(rsa_context *ctx, int(*f_rng)(void *, unsigned char *, size_t), void *p_rng, int mode, size_t *olen, const unsigned char *input, unsigned char *output, size_t output_max_len)</div><div class="ttdoc">Perform a PKCS#1 v1.5 decryption (RSAES-PKCS1-v1_5-DECRYPT) </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="structrsa__context_html_a94bb2c66e84581a0d854f1fc7f6672d8"><div class="ttname"><a href="structrsa__context.html#a94bb2c66e84581a0d854f1fc7f6672d8">rsa_context::Q</a></div><div class="ttdeci">mpi Q</div><div class="ttdef"><b>Definition:</b> <a href="rsa_8h_source.html#l00093">rsa.h:93</a></div></div>
<div class="ttc" id="rsa_8h_html_a36ffdd0c13ed675bd027fc688c034f39"><div class="ttname"><a href="rsa_8h.html#a36ffdd0c13ed675bd027fc688c034f39">rsa_rsassa_pss_verify_ext</a></div><div class="ttdeci">int rsa_rsassa_pss_verify_ext(rsa_context *ctx, int(*f_rng)(void *, unsigned char *, size_t), void *p_rng, int mode, md_type_t md_alg, unsigned int hashlen, const unsigned char *hash, md_type_t mgf1_hash_id, int expected_salt_len, const unsigned char *sig)</div><div class="ttdoc">Perform a PKCS#1 v2.1 PSS verification (RSASSA-PSS-VERIFY) (This is the version with &quot;full&quot; options...</div></div>
<div class="ttc" id="md_8h_html_a622c94870533dc68f54b8df520d2c6d9"><div class="ttname"><a href="md_8h.html#a622c94870533dc68f54b8df520d2c6d9">md_info_from_type</a></div><div class="ttdeci">const md_info_t * md_info_from_type(md_type_t md_type)</div><div class="ttdoc">Returns the message digest information associated with the given digest type. </div></div>
<div class="ttc" id="rsa_8h_html_abb5d26b09e183c8a885eaee270c38fc7"><div class="ttname"><a href="rsa_8h.html#abb5d26b09e183c8a885eaee270c38fc7">rsa_free</a></div><div class="ttdeci">void rsa_free(rsa_context *ctx)</div><div class="ttdoc">Free the components of an RSA key. </div></div>
<div class="ttc" id="rsa_8h_html_a305bf558a7137a1037d3f0c536060f06"><div class="ttname"><a href="rsa_8h.html#a305bf558a7137a1037d3f0c536060f06">rsa_private</a></div><div class="ttdeci">int rsa_private(rsa_context *ctx, int(*f_rng)(void *, unsigned char *, size_t), void *p_rng, const unsigned char *input, unsigned char *output)</div><div class="ttdoc">Do an RSA private key operation. </div></div>
<div class="ttc" id="structrsa__context_html"><div class="ttname"><a href="structrsa__context.html">rsa_context</a></div><div class="ttdoc">RSA context structure. </div><div class="ttdef"><b>Definition:</b> <a href="rsa_8h_source.html#l00083">rsa.h:83</a></div></div>
<div class="ttc" id="structrsa__context_html_af3078ae226d6b5aa335af77a6d46317e"><div class="ttname"><a href="structrsa__context.html#af3078ae226d6b5aa335af77a6d46317e">rsa_context::D</a></div><div class="ttdeci">mpi D</div><div class="ttdef"><b>Definition:</b> <a href="rsa_8h_source.html#l00091">rsa.h:91</a></div></div>
<div class="ttc" id="rsa_8h_html_a16791653e4d448e25944e3579f727b50"><div class="ttname"><a href="rsa_8h.html#a16791653e4d448e25944e3579f727b50">rsa_pkcs1_encrypt</a></div><div class="ttdeci">int rsa_pkcs1_encrypt(rsa_context *ctx, int(*f_rng)(void *, unsigned char *, size_t), void *p_rng, int mode, size_t ilen, const unsigned char *input, unsigned char *output)</div><div class="ttdoc">Generic wrapper to perform a PKCS#1 encryption using the mode from the context. </div></div>
<div class="ttc" id="rsa_8h_html_a2cab7b3c4ddc3bc02ffc59db19d0400f"><div class="ttname"><a href="rsa_8h.html#a2cab7b3c4ddc3bc02ffc59db19d0400f">POLARSSL_ERR_RSA_INVALID_PADDING</a></div><div class="ttdeci">#define POLARSSL_ERR_RSA_INVALID_PADDING</div><div class="ttdoc">Input data contains invalid padding and is rejected. </div><div class="ttdef"><b>Definition:</b> <a href="rsa_8h_source.html#l00047">rsa.h:47</a></div></div>
<div class="ttc" id="structrsa__context_html_a364bfb0ef6d240c39053f603ee1cbeca"><div class="ttname"><a href="structrsa__context.html#a364bfb0ef6d240c39053f603ee1cbeca">rsa_context::QP</a></div><div class="ttdeci">mpi QP</div><div class="ttdef"><b>Definition:</b> <a href="rsa_8h_source.html#l00096">rsa.h:96</a></div></div>
<div class="ttc" id="md_8h_html_ac4b9dc3bf86a40ac6829eba973b8579e"><div class="ttname"><a href="md_8h.html#ac4b9dc3bf86a40ac6829eba973b8579e">md_free</a></div><div class="ttdeci">void md_free(md_context_t *ctx)</div><div class="ttdoc">Free and clear the message-specific context of ctx. </div></div>
<div class="ttc" id="rsa_8h_html_acc924b6d08c92a2252fbab6c6ca5860e"><div class="ttname"><a href="rsa_8h.html#acc924b6d08c92a2252fbab6c6ca5860e">RSA_PKCS_V15</a></div><div class="ttdeci">#define RSA_PKCS_V15</div><div class="ttdef"><b>Definition:</b> <a href="rsa_8h_source.html#l00062">rsa.h:62</a></div></div>
<div class="ttc" id="rsa_8h_html_aeaabdd3bae85e564beb1ae9843169eb9"><div class="ttname"><a href="rsa_8h.html#aeaabdd3bae85e564beb1ae9843169eb9">RSA_PRIVATE</a></div><div class="ttdeci">#define RSA_PRIVATE</div><div class="ttdef"><b>Definition:</b> <a href="rsa_8h_source.html#l00060">rsa.h:60</a></div></div>
<div class="ttc" id="structrsa__context_html_a2f44f168531d8470e7831fd49aea9ae0"><div class="ttname"><a href="structrsa__context.html#a2f44f168531d8470e7831fd49aea9ae0">rsa_context::N</a></div><div class="ttdeci">mpi N</div><div class="ttdef"><b>Definition:</b> <a href="rsa_8h_source.html#l00088">rsa.h:88</a></div></div>
<div class="ttc" id="struct__asn1__buf_html_a5ba4fb2a65b60d2e7fa3737f93e3158e"><div class="ttname"><a href="struct__asn1__buf.html#a5ba4fb2a65b60d2e7fa3737f93e3158e">_asn1_buf::p</a></div><div class="ttdeci">unsigned char * p</div><div class="ttdoc">ASN1 data, e.g. </div><div class="ttdef"><b>Definition:</b> <a href="asn1_8h_source.html#l00128">asn1.h:128</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="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="rsa_8h_html_ae1bbc14f00a5c873d7770b44c412df1d"><div class="ttname"><a href="rsa_8h.html#ae1bbc14f00a5c873d7770b44c412df1d">RSA_SIGN</a></div><div class="ttdeci">#define RSA_SIGN</div><div class="ttdef"><b>Definition:</b> <a href="rsa_8h_source.html#l00065">rsa.h:65</a></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="structrsa__context_html_a286dcd56958215be3d8e6195456952a2"><div class="ttname"><a href="structrsa__context.html#a286dcd56958215be3d8e6195456952a2">rsa_context::RQ</a></div><div class="ttdeci">mpi RQ</div><div class="ttdef"><b>Definition:</b> <a href="rsa_8h_source.html#l00100">rsa.h:100</a></div></div>
<div class="ttc" id="rsa_8h_html_ad362c2f0ab336f9dd778e26528d260fa"><div class="ttname"><a href="rsa_8h.html#ad362c2f0ab336f9dd778e26528d260fa">rsa_rsassa_pss_sign</a></div><div class="ttdeci">int rsa_rsassa_pss_sign(rsa_context *ctx, int(*f_rng)(void *, unsigned char *, size_t), void *p_rng, int mode, md_type_t md_alg, unsigned int hashlen, const unsigned char *hash, unsigned char *sig)</div><div class="ttdoc">Perform a PKCS#1 v2.1 PSS signature (RSASSA-PSS-SIGN) </div></div>
<div class="ttc" id="structrsa__context_html_aa28db934350d34ac8537abb7ec8d519d"><div class="ttname"><a href="structrsa__context.html#aa28db934350d34ac8537abb7ec8d519d">rsa_context::E</a></div><div class="ttdeci">mpi E</div><div class="ttdef"><b>Definition:</b> <a href="rsa_8h_source.html#l00089">rsa.h:89</a></div></div>
<div class="ttc" id="rsa_8h_html_a779660e9be48a800a1edde7815bf5fd8"><div class="ttname"><a href="rsa_8h.html#a779660e9be48a800a1edde7815bf5fd8">rsa_pkcs1_verify</a></div><div class="ttdeci">int rsa_pkcs1_verify(rsa_context *ctx, int(*f_rng)(void *, unsigned char *, size_t), void *p_rng, int mode, md_type_t md_alg, unsigned int hashlen, const unsigned char *hash, const unsigned char *sig)</div><div class="ttdoc">Generic wrapper to perform a PKCS#1 verification using the mode from the context. ...</div></div>
<div class="ttc" id="structrsa__context_html_ad3a4b21e847d540a9bf1b680f0c05880"><div class="ttname"><a href="structrsa__context.html#ad3a4b21e847d540a9bf1b680f0c05880">rsa_context::DP</a></div><div class="ttdeci">mpi DP</div><div class="ttdef"><b>Definition:</b> <a href="rsa_8h_source.html#l00094">rsa.h:94</a></div></div>
<div class="ttc" id="rsa_8h_html_a6c8054af82b411547c45248cc684609b"><div class="ttname"><a href="rsa_8h.html#a6c8054af82b411547c45248cc684609b">POLARSSL_ERR_RSA_VERIFY_FAILED</a></div><div class="ttdeci">#define POLARSSL_ERR_RSA_VERIFY_FAILED</div><div class="ttdoc">The PKCS#1 verification failed. </div><div class="ttdef"><b>Definition:</b> <a href="rsa_8h_source.html#l00052">rsa.h:52</a></div></div>
<div class="ttc" id="threading_8h_html_aaf60b0265d71e36e1429c513e2890a0f"><div class="ttname"><a href="threading_8h.html#aaf60b0265d71e36e1429c513e2890a0f">polarssl_mutex_free</a></div><div class="ttdeci">int(* polarssl_mutex_free)(threading_mutex_t *mutex)</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="structrsa__context_html_a735bfa601f5fe16e563da0cab79fdb7b"><div class="ttname"><a href="structrsa__context.html#a735bfa601f5fe16e563da0cab79fdb7b">rsa_context::hash_id</a></div><div class="ttdeci">int hash_id</div><div class="ttdef"><b>Definition:</b> <a href="rsa_8h_source.html#l00109">rsa.h:109</a></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="rsa_8h_html_a1dd6fe83383d20d338a7434e80bc0554"><div class="ttname"><a href="rsa_8h.html#a1dd6fe83383d20d338a7434e80bc0554">rsa_pkcs1_sign</a></div><div class="ttdeci">int rsa_pkcs1_sign(rsa_context *ctx, int(*f_rng)(void *, unsigned char *, size_t), void *p_rng, int mode, md_type_t md_alg, unsigned int hashlen, const unsigned char *hash, unsigned char *sig)</div><div class="ttdoc">Generic wrapper to perform a PKCS#1 signature using the mode from the context. </div></div>
<div class="ttc" id="rsa_8h_html_a93379a69bfb2b40ca0bdcf4f992942d5"><div class="ttname"><a href="rsa_8h.html#a93379a69bfb2b40ca0bdcf4f992942d5">rsa_rsassa_pkcs1_v15_sign</a></div><div class="ttdeci">int rsa_rsassa_pkcs1_v15_sign(rsa_context *ctx, int(*f_rng)(void *, unsigned char *, size_t), void *p_rng, int mode, md_type_t md_alg, unsigned int hashlen, const unsigned char *hash, unsigned char *sig)</div><div class="ttdoc">Perform a PKCS#1 v1.5 signature (RSASSA-PKCS1-v1_5-SIGN) </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="md_8h_html"><div class="ttname"><a href="md_8h.html">md.h</a></div><div class="ttdoc">Generic message digest wrapper. </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="rsa_8h_html_a6361445cef26eba64992ea54ecb90a47"><div class="ttname"><a href="rsa_8h.html#a6361445cef26eba64992ea54ecb90a47">RSA_SALT_LEN_ANY</a></div><div class="ttdeci">#define RSA_SALT_LEN_ANY</div><div class="ttdef"><b>Definition:</b> <a href="rsa_8h_source.html#l00068">rsa.h:68</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="struct__asn1__buf_html"><div class="ttname"><a href="struct__asn1__buf.html">_asn1_buf</a></div><div class="ttdoc">Type-length-value structure that allows for ASN1 using DER. </div><div class="ttdef"><b>Definition:</b> <a href="asn1_8h_source.html#l00124">asn1.h:124</a></div></div>
<div class="ttc" id="rsa_8h_html"><div class="ttname"><a href="rsa_8h.html">rsa.h</a></div><div class="ttdoc">The RSA public-key cryptosystem. </div></div>
<div class="ttc" id="struct__asn1__buf_html_a44f95c5d0e831dfbb20ce2ac70cb6831"><div class="ttname"><a href="struct__asn1__buf.html#a44f95c5d0e831dfbb20ce2ac70cb6831">_asn1_buf::len</a></div><div class="ttdeci">size_t len</div><div class="ttdoc">ASN1 length, e.g. </div><div class="ttdef"><b>Definition:</b> <a href="asn1_8h_source.html#l00127">asn1.h:127</a></div></div>
<div class="ttc" id="rsa_8h_html_aa30403951a6242045d0b47e2b51eccb0"><div class="ttname"><a href="rsa_8h.html#aa30403951a6242045d0b47e2b51eccb0">POLARSSL_ERR_RSA_BAD_INPUT_DATA</a></div><div class="ttdeci">#define POLARSSL_ERR_RSA_BAD_INPUT_DATA</div><div class="ttdoc">Bad input parameters to function. </div><div class="ttdef"><b>Definition:</b> <a href="rsa_8h_source.html#l00046">rsa.h:46</a></div></div>
<div class="ttc" id="rsa_8h_html_a44f5543dce7fc29b240a516e68acd019"><div class="ttname"><a href="rsa_8h.html#a44f5543dce7fc29b240a516e68acd019">POLARSSL_ERR_RSA_PRIVATE_FAILED</a></div><div class="ttdeci">#define POLARSSL_ERR_RSA_PRIVATE_FAILED</div><div class="ttdoc">The private key operation failed. </div><div class="ttdef"><b>Definition:</b> <a href="rsa_8h_source.html#l00051">rsa.h:51</a></div></div>
<div class="ttc" id="rsa_8h_html_a4938556c8f689303c9a24f0d6281098c"><div class="ttname"><a href="rsa_8h.html#a4938556c8f689303c9a24f0d6281098c">rsa_set_padding</a></div><div class="ttdeci">void rsa_set_padding(rsa_context *ctx, int padding, int hash_id)</div><div class="ttdoc">Set padding for an already initialized RSA context See rsa_init() for details. </div></div>
<div class="ttc" id="md_8h_html_a38c76a15d6a3874f898f3dc60750dde1"><div class="ttname"><a href="md_8h.html#a38c76a15d6a3874f898f3dc60750dde1">POLARSSL_MD_MAX_SIZE</a></div><div class="ttdeci">#define POLARSSL_MD_MAX_SIZE</div><div class="ttdef"><b>Definition:</b> <a href="md_8h_source.html#l00067">md.h:67</a></div></div>
<div class="ttc" id="threading_8h_html_a3f71f2d457fdf4f03268eb731abf3a98"><div class="ttname"><a href="threading_8h.html#a3f71f2d457fdf4f03268eb731abf3a98">polarssl_mutex_unlock</a></div><div class="ttdeci">int(* polarssl_mutex_unlock)(threading_mutex_t *mutex)</div></div>
<div class="ttc" id="sha1_8h_html"><div class="ttname"><a href="sha1_8h.html">sha1.h</a></div><div class="ttdoc">SHA-1 cryptographic hash function. </div></div>
<div class="ttc" id="rsa_8h_html_a20c78c8fb43e505b891cf0ae19535316"><div class="ttname"><a href="rsa_8h.html#a20c78c8fb43e505b891cf0ae19535316">POLARSSL_ERR_RSA_KEY_CHECK_FAILED</a></div><div class="ttdeci">#define POLARSSL_ERR_RSA_KEY_CHECK_FAILED</div><div class="ttdoc">Key failed to pass the libraries validity check. </div><div class="ttdef"><b>Definition:</b> <a href="rsa_8h_source.html#l00049">rsa.h:49</a></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="rsa_8h_html_acff8aaec6c8fff40f733641e570cb9af"><div class="ttname"><a href="rsa_8h.html#acff8aaec6c8fff40f733641e570cb9af">rsa_gen_key</a></div><div class="ttdeci">int rsa_gen_key(rsa_context *ctx, int(*f_rng)(void *, unsigned char *, size_t), void *p_rng, unsigned int nbits, int exponent)</div><div class="ttdoc">Generate an RSA keypair. </div></div>
<div class="ttc" id="rsa_8h_html_a79875c9f9d5831aecf5ea095905a5b64"><div class="ttname"><a href="rsa_8h.html#a79875c9f9d5831aecf5ea095905a5b64">rsa_init</a></div><div class="ttdeci">void rsa_init(rsa_context *ctx, int padding, int hash_id)</div><div class="ttdoc">Initialize an RSA context. </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="oid_8h_html_a0f2b07e33a143c060b219a4c21166bc7"><div class="ttname"><a href="oid_8h.html#a0f2b07e33a143c060b219a4c21166bc7">oid_get_oid_by_md</a></div><div class="ttdeci">int oid_get_oid_by_md(md_type_t md_alg, const char **oid, size_t *olen)</div><div class="ttdoc">Translate md_type into hash algorithm OID. </div></div>
<div class="ttc" id="asn1_8h_html_af7d10ad8e91ae5cb4a78f7d7dc1a8ac6"><div class="ttname"><a href="asn1_8h.html#af7d10ad8e91ae5cb4a78f7d7dc1a8ac6">asn1_get_tag</a></div><div class="ttdeci">int asn1_get_tag(unsigned char **p, const unsigned char *end, size_t *len, int tag)</div><div class="ttdoc">Get the tag and length of the tag. </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="threading_8h_html_aa6c63dc2e1bfeab14346ded406410603"><div class="ttname"><a href="threading_8h.html#aa6c63dc2e1bfeab14346ded406410603">polarssl_mutex_init</a></div><div class="ttdeci">int(* polarssl_mutex_init)(threading_mutex_t *mutex)</div></div>
<div class="ttc" id="structmd__info__t_html_aedb1e12797791c9b7f5545bda6e3172d"><div class="ttname"><a href="structmd__info__t.html#aedb1e12797791c9b7f5545bda6e3172d">md_info_t::size</a></div><div class="ttdeci">int size</div><div class="ttdoc">Output length of the digest function. </div><div class="ttdef"><b>Definition:</b> <a href="md_8h_source.html#l00082">md.h:82</a></div></div>
<div class="ttc" id="group__asn1__module_html_gae251e2c2d40228a89468f3f939a18585"><div class="ttname"><a href="group__asn1__module.html#gae251e2c2d40228a89468f3f939a18585">ASN1_OCTET_STRING</a></div><div class="ttdeci">#define ASN1_OCTET_STRING</div><div class="ttdef"><b>Definition:</b> <a href="asn1_8h_source.html#l00078">asn1.h:78</a></div></div>
<div class="ttc" id="rsa_8h_html_a1cd4e872914a9c350dee5a7deda8b51f"><div class="ttname"><a href="rsa_8h.html#a1cd4e872914a9c350dee5a7deda8b51f">POLARSSL_ERR_RSA_KEY_GEN_FAILED</a></div><div class="ttdeci">#define POLARSSL_ERR_RSA_KEY_GEN_FAILED</div><div class="ttdoc">Something failed during generation of a key. </div><div class="ttdef"><b>Definition:</b> <a href="rsa_8h_source.html#l00048">rsa.h:48</a></div></div>
<div class="ttc" id="md_8h_html_af1fbbb67afa0daee4090cde8864e0b68a3d59000e02cfa0867e14002d95046335"><div class="ttname"><a href="md_8h.html#af1fbbb67afa0daee4090cde8864e0b68a3d59000e02cfa0867e14002d95046335">POLARSSL_MD_SHA1</a></div><div class="ttdef"><b>Definition:</b> <a href="md_8h_source.html#l00056">md.h:56</a></div></div>
<div class="ttc" id="md_8h_html_ac8d5acb64d8b392ab9e957e1368644ed"><div class="ttname"><a href="md_8h.html#ac8d5acb64d8b392ab9e957e1368644ed">md_finish</a></div><div class="ttdeci">int md_finish(md_context_t *ctx, unsigned char *output)</div><div class="ttdoc">Generic message digest final digest. </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="rsa_8h_html_a6f6e6c330a1005f0846c4d033b49558c"><div class="ttname"><a href="rsa_8h.html#a6f6e6c330a1005f0846c4d033b49558c">POLARSSL_ERR_RSA_PUBLIC_FAILED</a></div><div class="ttdeci">#define POLARSSL_ERR_RSA_PUBLIC_FAILED</div><div class="ttdoc">The public key operation failed. </div><div class="ttdef"><b>Definition:</b> <a href="rsa_8h_source.html#l00050">rsa.h:50</a></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="structrsa__context_html_a9d76414e85030ddf011b24d8a8bc4f9f"><div class="ttname"><a href="structrsa__context.html#a9d76414e85030ddf011b24d8a8bc4f9f">rsa_context::RN</a></div><div class="ttdeci">mpi RN</div><div class="ttdef"><b>Definition:</b> <a href="rsa_8h_source.html#l00098">rsa.h:98</a></div></div>
<div class="ttc" id="structrsa__context_html_aa5db43b7b8614eb7233ce57aa2031d40"><div class="ttname"><a href="structrsa__context.html#aa5db43b7b8614eb7233ce57aa2031d40">rsa_context::ver</a></div><div class="ttdeci">int ver</div><div class="ttdef"><b>Definition:</b> <a href="rsa_8h_source.html#l00085">rsa.h:85</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="structmd__info__t_html"><div class="ttname"><a href="structmd__info__t.html">md_info_t</a></div><div class="ttdoc">Message digest information. </div><div class="ttdef"><b>Definition:</b> <a href="md_8h_source.html#l00074">md.h:74</a></div></div>
<div class="ttc" id="md_8h_html_aeee048646a981f3aa4810609e3bf8787"><div class="ttname"><a href="md_8h.html#aeee048646a981f3aa4810609e3bf8787">md_update</a></div><div class="ttdeci">int md_update(md_context_t *ctx, const unsigned char *input, size_t ilen)</div><div class="ttdoc">Generic message digest process buffer. </div></div>
<div class="ttc" id="structmd__context__t_html"><div class="ttname"><a href="structmd__context__t.html">md_context_t</a></div><div class="ttdoc">Generic message digest context. </div><div class="ttdef"><b>Definition:</b> <a href="md_8h_source.html#l00132">md.h:132</a></div></div>
<div class="ttc" id="md_8h_html_af1fbbb67afa0daee4090cde8864e0b68a1058b903a7b49716f1b75cca6e80c4e8"><div class="ttname"><a href="md_8h.html#af1fbbb67afa0daee4090cde8864e0b68a1058b903a7b49716f1b75cca6e80c4e8">POLARSSL_MD_NONE</a></div><div class="ttdef"><b>Definition:</b> <a href="md_8h_source.html#l00052">md.h:52</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>
<div class="ttc" id="rsa_8h_html_a29709d2f3d05d833b28081b743f9815f"><div class="ttname"><a href="rsa_8h.html#a29709d2f3d05d833b28081b743f9815f">rsa_public</a></div><div class="ttdeci">int rsa_public(rsa_context *ctx, const unsigned char *input, unsigned char *output)</div><div class="ttdoc">Do an RSA public key operation. </div></div>
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