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<a href="md2_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"> * RFC 1115/1319 compliant MD2 implementation</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"> * The MD2 algorithm was designed by Ron Rivest in 1989.</span></div>
<div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="comment"> * http://www.ietf.org/rfc/rfc1115.txt</span></div>
<div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="comment"> * http://www.ietf.org/rfc/rfc1319.txt</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_MD2_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="md2_8h.html">polarssl/md2.h</a>"</span></div>
<div class="line"><a name="l00041"></a><span class="lineno"> 41</span> </div>
<div class="line"><a name="l00042"></a><span class="lineno"> 42</span> <span class="preprocessor">#if defined(POLARSSL_FS_IO) || defined(POLARSSL_SELF_TEST)</span></div>
<div class="line"><a name="l00043"></a><span class="lineno"> 43</span> <span class="preprocessor"></span><span class="preprocessor">#include <stdio.h></span></div>
<div class="line"><a name="l00044"></a><span class="lineno"> 44</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00045"></a><span class="lineno"> 45</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00046"></a><span class="lineno"> 46</span> <span class="preprocessor">#if defined(POLARSSL_PLATFORM_C)</span></div>
<div class="line"><a name="l00047"></a><span class="lineno"> 47</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="l00048"></a><span class="lineno"> 48</span> <span class="preprocessor">#else</span></div>
<div class="line"><a name="l00049"></a><span class="lineno"> 49</span> <span class="preprocessor"></span><span class="preprocessor">#define polarssl_printf printf</span></div>
<div class="line"><a name="l00050"></a><span class="lineno"> 50</span> <span class="preprocessor"></span><span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00051"></a><span class="lineno"> 51</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00052"></a><span class="lineno"> 52</span> <span class="comment">/* Implementation that should never be optimized out by the compiler */</span></div>
<div class="line"><a name="l00053"></a><span class="lineno"> 53</span> <span class="keyword">static</span> <span class="keywordtype">void</span> polarssl_zeroize( <span class="keywordtype">void</span> *v, <span class="keywordtype">size_t</span> n ) {</div>
<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  <span class="keyword">volatile</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *p = v; <span class="keywordflow">while</span>( n-- ) *p++ = 0;</div>
<div class="line"><a name="l00055"></a><span class="lineno"> 55</span> }</div>
<div class="line"><a name="l00056"></a><span class="lineno"> 56</span> </div>
<div class="line"><a name="l00057"></a><span class="lineno"> 57</span> <span class="preprocessor">#if !defined(POLARSSL_MD2_ALT)</span></div>
<div class="line"><a name="l00058"></a><span class="lineno"> 58</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00059"></a><span class="lineno"> 59</span> <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> PI_SUBST[256] =</div>
<div class="line"><a name="l00060"></a><span class="lineno"> 60</span> {</div>
<div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  0x29, 0x2E, 0x43, 0xC9, 0xA2, 0xD8, 0x7C, 0x01, 0x3D, 0x36,</div>
<div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  0x54, 0xA1, 0xEC, 0xF0, 0x06, 0x13, 0x62, 0xA7, 0x05, 0xF3,</div>
<div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  0xC0, 0xC7, 0x73, 0x8C, 0x98, 0x93, 0x2B, 0xD9, 0xBC, 0x4C,</div>
<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  0x82, 0xCA, 0x1E, 0x9B, 0x57, 0x3C, 0xFD, 0xD4, 0xE0, 0x16,</div>
<div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  0x67, 0x42, 0x6F, 0x18, 0x8A, 0x17, 0xE5, 0x12, 0xBE, 0x4E,</div>
<div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  0xC4, 0xD6, 0xDA, 0x9E, 0xDE, 0x49, 0xA0, 0xFB, 0xF5, 0x8E,</div>
<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  0xBB, 0x2F, 0xEE, 0x7A, 0xA9, 0x68, 0x79, 0x91, 0x15, 0xB2,</div>
<div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  0x07, 0x3F, 0x94, 0xC2, 0x10, 0x89, 0x0B, 0x22, 0x5F, 0x21,</div>
<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  0x80, 0x7F, 0x5D, 0x9A, 0x5A, 0x90, 0x32, 0x27, 0x35, 0x3E,</div>
<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  0xCC, 0xE7, 0xBF, 0xF7, 0x97, 0x03, 0xFF, 0x19, 0x30, 0xB3,</div>
<div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  0x48, 0xA5, 0xB5, 0xD1, 0xD7, 0x5E, 0x92, 0x2A, 0xAC, 0x56,</div>
<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  0xAA, 0xC6, 0x4F, 0xB8, 0x38, 0xD2, 0x96, 0xA4, 0x7D, 0xB6,</div>
<div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  0x76, 0xFC, 0x6B, 0xE2, 0x9C, 0x74, 0x04, 0xF1, 0x45, 0x9D,</div>
<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  0x70, 0x59, 0x64, 0x71, 0x87, 0x20, 0x86, 0x5B, 0xCF, 0x65,</div>
<div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  0xE6, 0x2D, 0xA8, 0x02, 0x1B, 0x60, 0x25, 0xAD, 0xAE, 0xB0,</div>
<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  0xB9, 0xF6, 0x1C, 0x46, 0x61, 0x69, 0x34, 0x40, 0x7E, 0x0F,</div>
<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  0x55, 0x47, 0xA3, 0x23, 0xDD, 0x51, 0xAF, 0x3A, 0xC3, 0x5C,</div>
<div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  0xF9, 0xCE, 0xBA, 0xC5, 0xEA, 0x26, 0x2C, 0x53, 0x0D, 0x6E,</div>
<div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  0x85, 0x28, 0x84, 0x09, 0xD3, 0xDF, 0xCD, 0xF4, 0x41, 0x81,</div>
<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  0x4D, 0x52, 0x6A, 0xDC, 0x37, 0xC8, 0x6C, 0xC1, 0xAB, 0xFA,</div>
<div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  0x24, 0xE1, 0x7B, 0x08, 0x0C, 0xBD, 0xB1, 0x4A, 0x78, 0x88,</div>
<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  0x95, 0x8B, 0xE3, 0x63, 0xE8, 0x6D, 0xE9, 0xCB, 0xD5, 0xFE,</div>
<div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  0x3B, 0x00, 0x1D, 0x39, 0xF2, 0xEF, 0xB7, 0x0E, 0x66, 0x58,</div>
<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  0xD0, 0xE4, 0xA6, 0x77, 0x72, 0xF8, 0xEB, 0x75, 0x4B, 0x0A,</div>
<div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  0x31, 0x44, 0x50, 0xB4, 0x8F, 0xED, 0x1F, 0x1A, 0xDB, 0x99,</div>
<div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  0x8D, 0x33, 0x9F, 0x11, 0x83, 0x14</div>
<div class="line"><a name="l00087"></a><span class="lineno"> 87</span> };</div>
<div class="line"><a name="l00088"></a><span class="lineno"> 88</span> </div>
<div class="line"><a name="l00089"></a><span class="lineno"> 89</span> <span class="keywordtype">void</span> <a class="code" href="md2_8h.html#a8527bd88370e7db6350cff5631d30e4f">md2_init</a>( <a class="code" href="structmd2__context.html">md2_context</a> *ctx )</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>  memset( ctx, 0, <span class="keyword">sizeof</span>( <a class="code" href="structmd2__context.html">md2_context</a> ) );</div>
<div class="line"><a name="l00092"></a><span class="lineno"> 92</span> }</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="keywordtype">void</span> <a class="code" href="md2_8h.html#a8b755515be2b18b864228f7a9bb2cc95">md2_free</a>( <a class="code" href="structmd2__context.html">md2_context</a> *ctx )</div>
<div class="line"><a name="l00095"></a><span class="lineno"> 95</span> {</div>
<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  <span class="keywordflow">if</span>( ctx == NULL )</div>
<div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  <span class="keywordflow">return</span>;</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>  polarssl_zeroize( ctx, <span class="keyword">sizeof</span>( <a class="code" href="structmd2__context.html">md2_context</a> ) );</div>
<div class="line"><a name="l00100"></a><span class="lineno"> 100</span> }</div>
<div class="line"><a name="l00101"></a><span class="lineno"> 101</span> </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> <span class="comment"> * MD2 context setup</span></div>
<div class="line"><a name="l00104"></a><span class="lineno"> 104</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00105"></a><span class="lineno"> 105</span> <span class="keywordtype">void</span> <a class="code" href="md2_8h.html#ab6b2d9759ed28556516adab8e3b10d4f">md2_starts</a>( <a class="code" href="structmd2__context.html">md2_context</a> *ctx )</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>  memset( ctx-><a class="code" href="structmd2__context.html#a447b7859a8f0e340684786a82bb84ad4">cksum</a>, 0, 16 );</div>
<div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  memset( ctx-><a class="code" href="structmd2__context.html#ad1c1ebe46293c989075e20a17dd5a0fc">state</a>, 0, 46 );</div>
<div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  memset( ctx-><a class="code" href="structmd2__context.html#aa4348022d82dc32a4125b5217c0fd871">buffer</a>, 0, 16 );</div>
<div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  ctx-><a class="code" href="structmd2__context.html#a2f64351946cdba696cdbdc5f5ae53305">left</a> = 0;</div>
<div class="line"><a name="l00111"></a><span class="lineno"> 111</span> }</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="keywordtype">void</span> <a class="code" href="md2_8h.html#a82456d0871717a352e22dad21cdc7031">md2_process</a>( <a class="code" href="structmd2__context.html">md2_context</a> *ctx )</div>
<div class="line"><a name="l00114"></a><span class="lineno"> 114</span> {</div>
<div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  <span class="keywordtype">int</span> i, j;</div>
<div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> t = 0;</div>
<div class="line"><a name="l00117"></a><span class="lineno"> 117</span> </div>
<div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  <span class="keywordflow">for</span>( i = 0; i < 16; i++ )</div>
<div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  {</div>
<div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  ctx-><a class="code" href="structmd2__context.html#ad1c1ebe46293c989075e20a17dd5a0fc">state</a>[i + 16] = ctx-><a class="code" href="structmd2__context.html#aa4348022d82dc32a4125b5217c0fd871">buffer</a>[i];</div>
<div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  ctx-><a class="code" href="structmd2__context.html#ad1c1ebe46293c989075e20a17dd5a0fc">state</a>[i + 32] =</div>
<div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  (<span class="keywordtype">unsigned</span> char)( ctx-><a class="code" href="structmd2__context.html#aa4348022d82dc32a4125b5217c0fd871">buffer</a>[i] ^ ctx-><a class="code" href="structmd2__context.html#ad1c1ebe46293c989075e20a17dd5a0fc">state</a>[i]);</div>
<div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  }</div>
<div class="line"><a name="l00124"></a><span class="lineno"> 124</span> </div>
<div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  <span class="keywordflow">for</span>( i = 0; i < 18; i++ )</div>
<div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  {</div>
<div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  <span class="keywordflow">for</span>( j = 0; j < 48; j++ )</div>
<div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  {</div>
<div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  ctx-><a class="code" href="structmd2__context.html#ad1c1ebe46293c989075e20a17dd5a0fc">state</a>[j] = (<span class="keywordtype">unsigned</span> char)</div>
<div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  ( ctx-><a class="code" href="structmd2__context.html#ad1c1ebe46293c989075e20a17dd5a0fc">state</a>[j] ^ PI_SUBST[t] );</div>
<div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  t = ctx-><a class="code" href="structmd2__context.html#ad1c1ebe46293c989075e20a17dd5a0fc">state</a>[j];</div>
<div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  }</div>
<div class="line"><a name="l00133"></a><span class="lineno"> 133</span> </div>
<div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  t = (<span class="keywordtype">unsigned</span> char)( t + i );</div>
<div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  }</div>
<div class="line"><a name="l00136"></a><span class="lineno"> 136</span> </div>
<div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  t = ctx-><a class="code" href="structmd2__context.html#a447b7859a8f0e340684786a82bb84ad4">cksum</a>[15];</div>
<div class="line"><a name="l00138"></a><span class="lineno"> 138</span> </div>
<div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  <span class="keywordflow">for</span>( i = 0; i < 16; i++ )</div>
<div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  {</div>
<div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  ctx-><a class="code" href="structmd2__context.html#a447b7859a8f0e340684786a82bb84ad4">cksum</a>[i] = (<span class="keywordtype">unsigned</span> char)</div>
<div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  ( ctx-><a class="code" href="structmd2__context.html#a447b7859a8f0e340684786a82bb84ad4">cksum</a>[i] ^ PI_SUBST[ctx-><a class="code" href="structmd2__context.html#aa4348022d82dc32a4125b5217c0fd871">buffer</a>[i] ^ t] );</div>
<div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  t = ctx-><a class="code" href="structmd2__context.html#a447b7859a8f0e340684786a82bb84ad4">cksum</a>[i];</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> }</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="comment">/*</span></div>
<div class="line"><a name="l00148"></a><span class="lineno"> 148</span> <span class="comment"> * MD2 process buffer</span></div>
<div class="line"><a name="l00149"></a><span class="lineno"> 149</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00150"></a><span class="lineno"> 150</span> <span class="keywordtype">void</span> <a class="code" href="md2_8h.html#a0c276d104d2c31328dc540a294d278f8">md2_update</a>( <a class="code" href="structmd2__context.html">md2_context</a> *ctx, <span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *input, <span class="keywordtype">size_t</span> ilen )</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>  <span class="keywordtype">size_t</span> fill;</div>
<div class="line"><a name="l00153"></a><span class="lineno"> 153</span> </div>
<div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  <span class="keywordflow">while</span>( ilen > 0 )</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="keywordflow">if</span>( ctx-><a class="code" href="structmd2__context.html#a2f64351946cdba696cdbdc5f5ae53305">left</a> + ilen > 16 )</div>
<div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  fill = 16 - ctx-><a class="code" href="structmd2__context.html#a2f64351946cdba696cdbdc5f5ae53305">left</a>;</div>
<div class="line"><a name="l00158"></a><span class="lineno"> 158</span>  <span class="keywordflow">else</span></div>
<div class="line"><a name="l00159"></a><span class="lineno"> 159</span>  fill = ilen;</div>
<div class="line"><a name="l00160"></a><span class="lineno"> 160</span> </div>
<div class="line"><a name="l00161"></a><span class="lineno"> 161</span>  memcpy( ctx-><a class="code" href="structmd2__context.html#aa4348022d82dc32a4125b5217c0fd871">buffer</a> + ctx-><a class="code" href="structmd2__context.html#a2f64351946cdba696cdbdc5f5ae53305">left</a>, input, fill );</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>  ctx-><a class="code" href="structmd2__context.html#a2f64351946cdba696cdbdc5f5ae53305">left</a> += fill;</div>
<div class="line"><a name="l00164"></a><span class="lineno"> 164</span>  input += fill;</div>
<div class="line"><a name="l00165"></a><span class="lineno"> 165</span>  ilen -= fill;</div>
<div class="line"><a name="l00166"></a><span class="lineno"> 166</span> </div>
<div class="line"><a name="l00167"></a><span class="lineno"> 167</span>  <span class="keywordflow">if</span>( ctx-><a class="code" href="structmd2__context.html#a2f64351946cdba696cdbdc5f5ae53305">left</a> == 16 )</div>
<div class="line"><a name="l00168"></a><span class="lineno"> 168</span>  {</div>
<div class="line"><a name="l00169"></a><span class="lineno"> 169</span>  ctx-><a class="code" href="structmd2__context.html#a2f64351946cdba696cdbdc5f5ae53305">left</a> = 0;</div>
<div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  <a class="code" href="md2_8h.html#a82456d0871717a352e22dad21cdc7031">md2_process</a>( ctx );</div>
<div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  }</div>
<div class="line"><a name="l00172"></a><span class="lineno"> 172</span>  }</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> </div>
<div class="line"><a name="l00175"></a><span class="lineno"> 175</span> <span class="comment">/*</span></div>
<div class="line"><a name="l00176"></a><span class="lineno"> 176</span> <span class="comment"> * MD2 final digest</span></div>
<div class="line"><a name="l00177"></a><span class="lineno"> 177</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00178"></a><span class="lineno"> 178</span> <span class="keywordtype">void</span> <a class="code" href="md2_8h.html#aaa18fa4e450a0457a05bbb2990a41726">md2_finish</a>( <a class="code" href="structmd2__context.html">md2_context</a> *ctx, <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> output[16] )</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>  <span class="keywordtype">size_t</span> i;</div>
<div class="line"><a name="l00181"></a><span class="lineno"> 181</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> x;</div>
<div class="line"><a name="l00182"></a><span class="lineno"> 182</span> </div>
<div class="line"><a name="l00183"></a><span class="lineno"> 183</span>  x = (<span class="keywordtype">unsigned</span> char)( 16 - ctx-><a class="code" href="structmd2__context.html#a2f64351946cdba696cdbdc5f5ae53305">left</a> );</div>
<div class="line"><a name="l00184"></a><span class="lineno"> 184</span> </div>
<div class="line"><a name="l00185"></a><span class="lineno"> 185</span>  <span class="keywordflow">for</span>( i = ctx-><a class="code" href="structmd2__context.html#a2f64351946cdba696cdbdc5f5ae53305">left</a>; i < 16; i++ )</div>
<div class="line"><a name="l00186"></a><span class="lineno"> 186</span>  ctx-><a class="code" href="structmd2__context.html#aa4348022d82dc32a4125b5217c0fd871">buffer</a>[i] = x;</div>
<div class="line"><a name="l00187"></a><span class="lineno"> 187</span> </div>
<div class="line"><a name="l00188"></a><span class="lineno"> 188</span>  <a class="code" href="md2_8h.html#a82456d0871717a352e22dad21cdc7031">md2_process</a>( ctx );</div>
<div class="line"><a name="l00189"></a><span class="lineno"> 189</span> </div>
<div class="line"><a name="l00190"></a><span class="lineno"> 190</span>  memcpy( ctx-><a class="code" href="structmd2__context.html#aa4348022d82dc32a4125b5217c0fd871">buffer</a>, ctx-><a class="code" href="structmd2__context.html#a447b7859a8f0e340684786a82bb84ad4">cksum</a>, 16 );</div>
<div class="line"><a name="l00191"></a><span class="lineno"> 191</span>  <a class="code" href="md2_8h.html#a82456d0871717a352e22dad21cdc7031">md2_process</a>( ctx );</div>
<div class="line"><a name="l00192"></a><span class="lineno"> 192</span> </div>
<div class="line"><a name="l00193"></a><span class="lineno"> 193</span>  memcpy( output, ctx-><a class="code" href="structmd2__context.html#ad1c1ebe46293c989075e20a17dd5a0fc">state</a>, 16 );</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> </div>
<div class="line"><a name="l00196"></a><span class="lineno"> 196</span> <span class="preprocessor">#endif </span><span class="comment">/* !POLARSSL_MD2_ALT */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00197"></a><span class="lineno"> 197</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00198"></a><span class="lineno"> 198</span> <span class="comment">/*</span></div>
<div class="line"><a name="l00199"></a><span class="lineno"> 199</span> <span class="comment"> * output = MD2( input buffer )</span></div>
<div class="line"><a name="l00200"></a><span class="lineno"> 200</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00201"></a><span class="lineno"> 201</span> <span class="keywordtype">void</span> <a class="code" href="md2_8h.html#a476a548f5c94240c3826eeec9ed7383e">md2</a>( <span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *input, <span class="keywordtype">size_t</span> ilen, <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> output[16] )</div>
<div class="line"><a name="l00202"></a><span class="lineno"> 202</span> {</div>
<div class="line"><a name="l00203"></a><span class="lineno"> 203</span>  <a class="code" href="structmd2__context.html">md2_context</a> ctx;</div>
<div class="line"><a name="l00204"></a><span class="lineno"> 204</span> </div>
<div class="line"><a name="l00205"></a><span class="lineno"> 205</span>  <a class="code" href="md2_8h.html#a8527bd88370e7db6350cff5631d30e4f">md2_init</a>( &ctx );</div>
<div class="line"><a name="l00206"></a><span class="lineno"> 206</span>  <a class="code" href="md2_8h.html#ab6b2d9759ed28556516adab8e3b10d4f">md2_starts</a>( &ctx );</div>
<div class="line"><a name="l00207"></a><span class="lineno"> 207</span>  <a class="code" href="md2_8h.html#a0c276d104d2c31328dc540a294d278f8">md2_update</a>( &ctx, input, ilen );</div>
<div class="line"><a name="l00208"></a><span class="lineno"> 208</span>  <a class="code" href="md2_8h.html#aaa18fa4e450a0457a05bbb2990a41726">md2_finish</a>( &ctx, output );</div>
<div class="line"><a name="l00209"></a><span class="lineno"> 209</span>  <a class="code" href="md2_8h.html#a8b755515be2b18b864228f7a9bb2cc95">md2_free</a>( &ctx );</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> </div>
<div class="line"><a name="l00212"></a><span class="lineno"> 212</span> <span class="preprocessor">#if defined(POLARSSL_FS_IO)</span></div>
<div class="line"><a name="l00213"></a><span class="lineno"> 213</span> <span class="preprocessor"></span><span class="comment">/*</span></div>
<div class="line"><a name="l00214"></a><span class="lineno"> 214</span> <span class="comment"> * output = MD2( file contents )</span></div>
<div class="line"><a name="l00215"></a><span class="lineno"> 215</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00216"></a><span class="lineno"> 216</span> <span class="keywordtype">int</span> <a class="code" href="md2_8h.html#aa84e29f9bad98443b4841ad34345145b">md2_file</a>( <span class="keyword">const</span> <span class="keywordtype">char</span> *path, <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> output[16] )</div>
<div class="line"><a name="l00217"></a><span class="lineno"> 217</span> {</div>
<div class="line"><a name="l00218"></a><span class="lineno"> 218</span>  FILE *f;</div>
<div class="line"><a name="l00219"></a><span class="lineno"> 219</span>  <span class="keywordtype">size_t</span> n;</div>
<div class="line"><a name="l00220"></a><span class="lineno"> 220</span>  <a class="code" href="structmd2__context.html">md2_context</a> ctx;</div>
<div class="line"><a name="l00221"></a><span class="lineno"> 221</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> buf[1024];</div>
<div class="line"><a name="l00222"></a><span class="lineno"> 222</span> </div>
<div class="line"><a name="l00223"></a><span class="lineno"> 223</span>  <span class="keywordflow">if</span>( ( f = fopen( path, <span class="stringliteral">"rb"</span> ) ) == NULL )</div>
<div class="line"><a name="l00224"></a><span class="lineno"> 224</span>  <span class="keywordflow">return</span>( <a class="code" href="md2_8h.html#aaffd197bfef6b96a28efc3631c60ef48">POLARSSL_ERR_MD2_FILE_IO_ERROR</a> );</div>
<div class="line"><a name="l00225"></a><span class="lineno"> 225</span> </div>
<div class="line"><a name="l00226"></a><span class="lineno"> 226</span>  <a class="code" href="md2_8h.html#a8527bd88370e7db6350cff5631d30e4f">md2_init</a>( &ctx );</div>
<div class="line"><a name="l00227"></a><span class="lineno"> 227</span>  <a class="code" href="md2_8h.html#ab6b2d9759ed28556516adab8e3b10d4f">md2_starts</a>( &ctx );</div>
<div class="line"><a name="l00228"></a><span class="lineno"> 228</span> </div>
<div class="line"><a name="l00229"></a><span class="lineno"> 229</span>  <span class="keywordflow">while</span>( ( n = fread( buf, 1, <span class="keyword">sizeof</span>( buf ), f ) ) > 0 )</div>
<div class="line"><a name="l00230"></a><span class="lineno"> 230</span>  <a class="code" href="md2_8h.html#a0c276d104d2c31328dc540a294d278f8">md2_update</a>( &ctx, buf, n );</div>
<div class="line"><a name="l00231"></a><span class="lineno"> 231</span> </div>
<div class="line"><a name="l00232"></a><span class="lineno"> 232</span>  <a class="code" href="md2_8h.html#aaa18fa4e450a0457a05bbb2990a41726">md2_finish</a>( &ctx, output );</div>
<div class="line"><a name="l00233"></a><span class="lineno"> 233</span>  <a class="code" href="md2_8h.html#a8b755515be2b18b864228f7a9bb2cc95">md2_free</a>( &ctx );</div>
<div class="line"><a name="l00234"></a><span class="lineno"> 234</span> </div>
<div class="line"><a name="l00235"></a><span class="lineno"> 235</span>  <span class="keywordflow">if</span>( ferror( f ) != 0 )</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>  fclose( f );</div>
<div class="line"><a name="l00238"></a><span class="lineno"> 238</span>  <span class="keywordflow">return</span>( <a class="code" href="md2_8h.html#aaffd197bfef6b96a28efc3631c60ef48">POLARSSL_ERR_MD2_FILE_IO_ERROR</a> );</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> </div>
<div class="line"><a name="l00241"></a><span class="lineno"> 241</span>  fclose( f );</div>
<div class="line"><a name="l00242"></a><span class="lineno"> 242</span>  <span class="keywordflow">return</span>( 0 );</div>
<div class="line"><a name="l00243"></a><span class="lineno"> 243</span> }</div>
<div class="line"><a name="l00244"></a><span class="lineno"> 244</span> <span class="preprocessor">#endif </span><span class="comment">/* POLARSSL_FS_IO */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00245"></a><span class="lineno"> 245</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00246"></a><span class="lineno"> 246</span> <span class="comment">/*</span></div>
<div class="line"><a name="l00247"></a><span class="lineno"> 247</span> <span class="comment"> * MD2 HMAC context setup</span></div>
<div class="line"><a name="l00248"></a><span class="lineno"> 248</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00249"></a><span class="lineno"> 249</span> <span class="keywordtype">void</span> <a class="code" href="md2_8h.html#ad0a24f75cc18ac9c16350e3be4253163">md2_hmac_starts</a>( <a class="code" href="structmd2__context.html">md2_context</a> *ctx, <span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *key,</div>
<div class="line"><a name="l00250"></a><span class="lineno"> 250</span>  <span class="keywordtype">size_t</span> keylen )</div>
<div class="line"><a name="l00251"></a><span class="lineno"> 251</span> {</div>
<div class="line"><a name="l00252"></a><span class="lineno"> 252</span>  <span class="keywordtype">size_t</span> i;</div>
<div class="line"><a name="l00253"></a><span class="lineno"> 253</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> sum[16];</div>
<div class="line"><a name="l00254"></a><span class="lineno"> 254</span> </div>
<div class="line"><a name="l00255"></a><span class="lineno"> 255</span>  <span class="keywordflow">if</span>( keylen > 16 )</div>
<div class="line"><a name="l00256"></a><span class="lineno"> 256</span>  {</div>
<div class="line"><a name="l00257"></a><span class="lineno"> 257</span>  <a class="code" href="md2_8h.html#a476a548f5c94240c3826eeec9ed7383e">md2</a>( key, keylen, sum );</div>
<div class="line"><a name="l00258"></a><span class="lineno"> 258</span>  keylen = 16;</div>
<div class="line"><a name="l00259"></a><span class="lineno"> 259</span>  key = sum;</div>
<div class="line"><a name="l00260"></a><span class="lineno"> 260</span>  }</div>
<div class="line"><a name="l00261"></a><span class="lineno"> 261</span> </div>
<div class="line"><a name="l00262"></a><span class="lineno"> 262</span>  memset( ctx-><a class="code" href="structmd2__context.html#aa116c2a06b50edb73e0d01c21f4c155e">ipad</a>, 0x36, 16 );</div>
<div class="line"><a name="l00263"></a><span class="lineno"> 263</span>  memset( ctx-><a class="code" href="structmd2__context.html#a48d03e302f15d172ca4c6e8e1b11ed06">opad</a>, 0x5C, 16 );</div>
<div class="line"><a name="l00264"></a><span class="lineno"> 264</span> </div>
<div class="line"><a name="l00265"></a><span class="lineno"> 265</span>  <span class="keywordflow">for</span>( i = 0; i < keylen; i++ )</div>
<div class="line"><a name="l00266"></a><span class="lineno"> 266</span>  {</div>
<div class="line"><a name="l00267"></a><span class="lineno"> 267</span>  ctx-><a class="code" href="structmd2__context.html#aa116c2a06b50edb73e0d01c21f4c155e">ipad</a>[i] = (<span class="keywordtype">unsigned</span> char)( ctx-><a class="code" href="structmd2__context.html#aa116c2a06b50edb73e0d01c21f4c155e">ipad</a>[i] ^ key[i] );</div>
<div class="line"><a name="l00268"></a><span class="lineno"> 268</span>  ctx-><a class="code" href="structmd2__context.html#a48d03e302f15d172ca4c6e8e1b11ed06">opad</a>[i] = (<span class="keywordtype">unsigned</span> char)( ctx-><a class="code" href="structmd2__context.html#a48d03e302f15d172ca4c6e8e1b11ed06">opad</a>[i] ^ key[i] );</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> </div>
<div class="line"><a name="l00271"></a><span class="lineno"> 271</span>  <a class="code" href="md2_8h.html#ab6b2d9759ed28556516adab8e3b10d4f">md2_starts</a>( ctx );</div>
<div class="line"><a name="l00272"></a><span class="lineno"> 272</span>  <a class="code" href="md2_8h.html#a0c276d104d2c31328dc540a294d278f8">md2_update</a>( ctx, ctx-><a class="code" href="structmd2__context.html#aa116c2a06b50edb73e0d01c21f4c155e">ipad</a>, 16 );</div>
<div class="line"><a name="l00273"></a><span class="lineno"> 273</span> </div>
<div class="line"><a name="l00274"></a><span class="lineno"> 274</span>  polarssl_zeroize( sum, <span class="keyword">sizeof</span>( sum ) );</div>
<div class="line"><a name="l00275"></a><span class="lineno"> 275</span> }</div>
<div class="line"><a name="l00276"></a><span class="lineno"> 276</span> </div>
<div class="line"><a name="l00277"></a><span class="lineno"> 277</span> <span class="comment">/*</span></div>
<div class="line"><a name="l00278"></a><span class="lineno"> 278</span> <span class="comment"> * MD2 HMAC process buffer</span></div>
<div class="line"><a name="l00279"></a><span class="lineno"> 279</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00280"></a><span class="lineno"> 280</span> <span class="keywordtype">void</span> <a class="code" href="md2_8h.html#aa31d5d72006081b60f04c150a7f59e7c">md2_hmac_update</a>( <a class="code" href="structmd2__context.html">md2_context</a> *ctx, <span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *input,</div>
<div class="line"><a name="l00281"></a><span class="lineno"> 281</span>  <span class="keywordtype">size_t</span> ilen )</div>
<div class="line"><a name="l00282"></a><span class="lineno"> 282</span> {</div>
<div class="line"><a name="l00283"></a><span class="lineno"> 283</span>  <a class="code" href="md2_8h.html#a0c276d104d2c31328dc540a294d278f8">md2_update</a>( ctx, input, ilen );</div>
<div class="line"><a name="l00284"></a><span class="lineno"> 284</span> }</div>
<div class="line"><a name="l00285"></a><span class="lineno"> 285</span> </div>
<div class="line"><a name="l00286"></a><span class="lineno"> 286</span> <span class="comment">/*</span></div>
<div class="line"><a name="l00287"></a><span class="lineno"> 287</span> <span class="comment"> * MD2 HMAC final digest</span></div>
<div class="line"><a name="l00288"></a><span class="lineno"> 288</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00289"></a><span class="lineno"> 289</span> <span class="keywordtype">void</span> <a class="code" href="md2_8h.html#a4bf3a6b10ab516edd0aab1cb4d36fa89">md2_hmac_finish</a>( <a class="code" href="structmd2__context.html">md2_context</a> *ctx, <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> output[16] )</div>
<div class="line"><a name="l00290"></a><span class="lineno"> 290</span> {</div>
<div class="line"><a name="l00291"></a><span class="lineno"> 291</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> tmpbuf[16];</div>
<div class="line"><a name="l00292"></a><span class="lineno"> 292</span> </div>
<div class="line"><a name="l00293"></a><span class="lineno"> 293</span>  <a class="code" href="md2_8h.html#aaa18fa4e450a0457a05bbb2990a41726">md2_finish</a>( ctx, tmpbuf );</div>
<div class="line"><a name="l00294"></a><span class="lineno"> 294</span>  <a class="code" href="md2_8h.html#ab6b2d9759ed28556516adab8e3b10d4f">md2_starts</a>( ctx );</div>
<div class="line"><a name="l00295"></a><span class="lineno"> 295</span>  <a class="code" href="md2_8h.html#a0c276d104d2c31328dc540a294d278f8">md2_update</a>( ctx, ctx-><a class="code" href="structmd2__context.html#a48d03e302f15d172ca4c6e8e1b11ed06">opad</a>, 16 );</div>
<div class="line"><a name="l00296"></a><span class="lineno"> 296</span>  <a class="code" href="md2_8h.html#a0c276d104d2c31328dc540a294d278f8">md2_update</a>( ctx, tmpbuf, 16 );</div>
<div class="line"><a name="l00297"></a><span class="lineno"> 297</span>  <a class="code" href="md2_8h.html#aaa18fa4e450a0457a05bbb2990a41726">md2_finish</a>( ctx, output );</div>
<div class="line"><a name="l00298"></a><span class="lineno"> 298</span> </div>
<div class="line"><a name="l00299"></a><span class="lineno"> 299</span>  polarssl_zeroize( tmpbuf, <span class="keyword">sizeof</span>( tmpbuf ) );</div>
<div class="line"><a name="l00300"></a><span class="lineno"> 300</span> }</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="comment">/*</span></div>
<div class="line"><a name="l00303"></a><span class="lineno"> 303</span> <span class="comment"> * MD2 HMAC context reset</span></div>
<div class="line"><a name="l00304"></a><span class="lineno"> 304</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00305"></a><span class="lineno"> 305</span> <span class="keywordtype">void</span> <a class="code" href="md2_8h.html#a2cf0f8c397ae66b528908d9675f8480e">md2_hmac_reset</a>( <a class="code" href="structmd2__context.html">md2_context</a> *ctx )</div>
<div class="line"><a name="l00306"></a><span class="lineno"> 306</span> {</div>
<div class="line"><a name="l00307"></a><span class="lineno"> 307</span>  <a class="code" href="md2_8h.html#ab6b2d9759ed28556516adab8e3b10d4f">md2_starts</a>( ctx );</div>
<div class="line"><a name="l00308"></a><span class="lineno"> 308</span>  <a class="code" href="md2_8h.html#a0c276d104d2c31328dc540a294d278f8">md2_update</a>( ctx, ctx-><a class="code" href="structmd2__context.html#aa116c2a06b50edb73e0d01c21f4c155e">ipad</a>, 16 );</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> </div>
<div class="line"><a name="l00311"></a><span class="lineno"> 311</span> <span class="comment">/*</span></div>
<div class="line"><a name="l00312"></a><span class="lineno"> 312</span> <span class="comment"> * output = HMAC-MD2( hmac key, input buffer )</span></div>
<div class="line"><a name="l00313"></a><span class="lineno"> 313</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00314"></a><span class="lineno"> 314</span> <span class="keywordtype">void</span> <a class="code" href="md2_8h.html#a78e2af60e501496faa2639803bd6a923">md2_hmac</a>( <span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *key, <span class="keywordtype">size_t</span> keylen,</div>
<div class="line"><a name="l00315"></a><span class="lineno"> 315</span>  <span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *input, <span class="keywordtype">size_t</span> ilen,</div>
<div class="line"><a name="l00316"></a><span class="lineno"> 316</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> output[16] )</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>  <a class="code" href="structmd2__context.html">md2_context</a> ctx;</div>
<div class="line"><a name="l00319"></a><span class="lineno"> 319</span> </div>
<div class="line"><a name="l00320"></a><span class="lineno"> 320</span>  <a class="code" href="md2_8h.html#a8527bd88370e7db6350cff5631d30e4f">md2_init</a>( &ctx );</div>
<div class="line"><a name="l00321"></a><span class="lineno"> 321</span>  <a class="code" href="md2_8h.html#ad0a24f75cc18ac9c16350e3be4253163">md2_hmac_starts</a>( &ctx, key, keylen );</div>
<div class="line"><a name="l00322"></a><span class="lineno"> 322</span>  <a class="code" href="md2_8h.html#aa31d5d72006081b60f04c150a7f59e7c">md2_hmac_update</a>( &ctx, input, ilen );</div>
<div class="line"><a name="l00323"></a><span class="lineno"> 323</span>  <a class="code" href="md2_8h.html#a4bf3a6b10ab516edd0aab1cb4d36fa89">md2_hmac_finish</a>( &ctx, output );</div>
<div class="line"><a name="l00324"></a><span class="lineno"> 324</span>  <a class="code" href="md2_8h.html#a8b755515be2b18b864228f7a9bb2cc95">md2_free</a>( &ctx );</div>
<div class="line"><a name="l00325"></a><span class="lineno"> 325</span> }</div>
<div class="line"><a name="l00326"></a><span class="lineno"> 326</span> </div>
<div class="line"><a name="l00327"></a><span class="lineno"> 327</span> <span class="preprocessor">#if defined(POLARSSL_SELF_TEST)</span></div>
<div class="line"><a name="l00328"></a><span class="lineno"> 328</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00329"></a><span class="lineno"> 329</span> <span class="comment">/*</span></div>
<div class="line"><a name="l00330"></a><span class="lineno"> 330</span> <span class="comment"> * RFC 1319 test vectors</span></div>
<div class="line"><a name="l00331"></a><span class="lineno"> 331</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00332"></a><span class="lineno"> 332</span> <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">char</span> md2_test_str[7][81] =</div>
<div class="line"><a name="l00333"></a><span class="lineno"> 333</span> {</div>
<div class="line"><a name="l00334"></a><span class="lineno"> 334</span>  { <span class="stringliteral">""</span> },</div>
<div class="line"><a name="l00335"></a><span class="lineno"> 335</span>  { <span class="stringliteral">"a"</span> },</div>
<div class="line"><a name="l00336"></a><span class="lineno"> 336</span>  { <span class="stringliteral">"abc"</span> },</div>
<div class="line"><a name="l00337"></a><span class="lineno"> 337</span>  { <span class="stringliteral">"message digest"</span> },</div>
<div class="line"><a name="l00338"></a><span class="lineno"> 338</span>  { <span class="stringliteral">"abcdefghijklmnopqrstuvwxyz"</span> },</div>
<div class="line"><a name="l00339"></a><span class="lineno"> 339</span>  { <span class="stringliteral">"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789"</span> },</div>
<div class="line"><a name="l00340"></a><span class="lineno"> 340</span>  { <span class="stringliteral">"12345678901234567890123456789012345678901234567890123456789012"</span> \</div>
<div class="line"><a name="l00341"></a><span class="lineno"> 341</span>  <span class="stringliteral">"345678901234567890"</span> }</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> </div>
<div class="line"><a name="l00344"></a><span class="lineno"> 344</span> <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> md2_test_sum[7][16] =</div>
<div class="line"><a name="l00345"></a><span class="lineno"> 345</span> {</div>
<div class="line"><a name="l00346"></a><span class="lineno"> 346</span>  { 0x83, 0x50, 0xE5, 0xA3, 0xE2, 0x4C, 0x15, 0x3D,</div>
<div class="line"><a name="l00347"></a><span class="lineno"> 347</span>  0xF2, 0x27, 0x5C, 0x9F, 0x80, 0x69, 0x27, 0x73 },</div>
<div class="line"><a name="l00348"></a><span class="lineno"> 348</span>  { 0x32, 0xEC, 0x01, 0xEC, 0x4A, 0x6D, 0xAC, 0x72,</div>
<div class="line"><a name="l00349"></a><span class="lineno"> 349</span>  0xC0, 0xAB, 0x96, 0xFB, 0x34, 0xC0, 0xB5, 0xD1 },</div>
<div class="line"><a name="l00350"></a><span class="lineno"> 350</span>  { 0xDA, 0x85, 0x3B, 0x0D, 0x3F, 0x88, 0xD9, 0x9B,</div>
<div class="line"><a name="l00351"></a><span class="lineno"> 351</span>  0x30, 0x28, 0x3A, 0x69, 0xE6, 0xDE, 0xD6, 0xBB },</div>
<div class="line"><a name="l00352"></a><span class="lineno"> 352</span>  { 0xAB, 0x4F, 0x49, 0x6B, 0xFB, 0x2A, 0x53, 0x0B,</div>
<div class="line"><a name="l00353"></a><span class="lineno"> 353</span>  0x21, 0x9F, 0xF3, 0x30, 0x31, 0xFE, 0x06, 0xB0 },</div>
<div class="line"><a name="l00354"></a><span class="lineno"> 354</span>  { 0x4E, 0x8D, 0xDF, 0xF3, 0x65, 0x02, 0x92, 0xAB,</div>
<div class="line"><a name="l00355"></a><span class="lineno"> 355</span>  0x5A, 0x41, 0x08, 0xC3, 0xAA, 0x47, 0x94, 0x0B },</div>
<div class="line"><a name="l00356"></a><span class="lineno"> 356</span>  { 0xDA, 0x33, 0xDE, 0xF2, 0xA4, 0x2D, 0xF1, 0x39,</div>
<div class="line"><a name="l00357"></a><span class="lineno"> 357</span>  0x75, 0x35, 0x28, 0x46, 0xC3, 0x03, 0x38, 0xCD },</div>
<div class="line"><a name="l00358"></a><span class="lineno"> 358</span>  { 0xD5, 0x97, 0x6F, 0x79, 0xD8, 0x3D, 0x3A, 0x0D,</div>
<div class="line"><a name="l00359"></a><span class="lineno"> 359</span>  0xC9, 0x80, 0x6C, 0x3C, 0x66, 0xF3, 0xEF, 0xD8 }</div>
<div class="line"><a name="l00360"></a><span class="lineno"> 360</span> };</div>
<div class="line"><a name="l00361"></a><span class="lineno"> 361</span> </div>
<div class="line"><a name="l00362"></a><span class="lineno"> 362</span> <span class="comment">/*</span></div>
<div class="line"><a name="l00363"></a><span class="lineno"> 363</span> <span class="comment"> * Checkup routine</span></div>
<div class="line"><a name="l00364"></a><span class="lineno"> 364</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00365"></a><span class="lineno"> 365</span> <span class="keywordtype">int</span> <a class="code" href="md2_8h.html#a3ad2266fc4a1b7837eade0b722979c37">md2_self_test</a>( <span class="keywordtype">int</span> verbose )</div>
<div class="line"><a name="l00366"></a><span class="lineno"> 366</span> {</div>
<div class="line"><a name="l00367"></a><span class="lineno"> 367</span>  <span class="keywordtype">int</span> i;</div>
<div class="line"><a name="l00368"></a><span class="lineno"> 368</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> md2sum[16];</div>
<div class="line"><a name="l00369"></a><span class="lineno"> 369</span> </div>
<div class="line"><a name="l00370"></a><span class="lineno"> 370</span>  <span class="keywordflow">for</span>( i = 0; i < 7; i++ )</div>
<div class="line"><a name="l00371"></a><span class="lineno"> 371</span>  {</div>
<div class="line"><a name="l00372"></a><span class="lineno"> 372</span>  <span class="keywordflow">if</span>( verbose != 0 )</div>
<div class="line"><a name="l00373"></a><span class="lineno"> 373</span>  <a class="code" href="test__suite__aes_8cbc_8c.html#afc6a7362c0f0c9cfa8fc76b3281e2b37">polarssl_printf</a>( <span class="stringliteral">" MD2 test #%d: "</span>, i + 1 );</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>  <a class="code" href="md2_8h.html#a476a548f5c94240c3826eeec9ed7383e">md2</a>( (<span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *) md2_test_str[i],</div>
<div class="line"><a name="l00376"></a><span class="lineno"> 376</span>  strlen( md2_test_str[i] ), md2sum );</div>
<div class="line"><a name="l00377"></a><span class="lineno"> 377</span> </div>
<div class="line"><a name="l00378"></a><span class="lineno"> 378</span>  <span class="keywordflow">if</span>( memcmp( md2sum, md2_test_sum[i], 16 ) != 0 )</div>
<div class="line"><a name="l00379"></a><span class="lineno"> 379</span>  {</div>
<div class="line"><a name="l00380"></a><span class="lineno"> 380</span>  <span class="keywordflow">if</span>( verbose != 0 )</div>
<div class="line"><a name="l00381"></a><span class="lineno"> 381</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="l00382"></a><span class="lineno"> 382</span> </div>
<div class="line"><a name="l00383"></a><span class="lineno"> 383</span>  <span class="keywordflow">return</span>( 1 );</div>
<div class="line"><a name="l00384"></a><span class="lineno"> 384</span>  }</div>
<div class="line"><a name="l00385"></a><span class="lineno"> 385</span> </div>
<div class="line"><a name="l00386"></a><span class="lineno"> 386</span>  <span class="keywordflow">if</span>( verbose != 0 )</div>
<div class="line"><a name="l00387"></a><span class="lineno"> 387</span>  <a class="code" href="test__suite__aes_8cbc_8c.html#afc6a7362c0f0c9cfa8fc76b3281e2b37">polarssl_printf</a>( <span class="stringliteral">"passed\n"</span> );</div>
<div class="line"><a name="l00388"></a><span class="lineno"> 388</span>  }</div>
<div class="line"><a name="l00389"></a><span class="lineno"> 389</span> </div>
<div class="line"><a name="l00390"></a><span class="lineno"> 390</span>  <span class="keywordflow">if</span>( verbose != 0 )</div>
<div class="line"><a name="l00391"></a><span class="lineno"> 391</span>  <a class="code" href="test__suite__aes_8cbc_8c.html#afc6a7362c0f0c9cfa8fc76b3281e2b37">polarssl_printf</a>( <span class="stringliteral">"\n"</span> );</div>
<div class="line"><a name="l00392"></a><span class="lineno"> 392</span> </div>
<div class="line"><a name="l00393"></a><span class="lineno"> 393</span>  <span class="keywordflow">return</span>( 0 );</div>
<div class="line"><a name="l00394"></a><span class="lineno"> 394</span> }</div>
<div class="line"><a name="l00395"></a><span class="lineno"> 395</span> </div>
<div class="line"><a name="l00396"></a><span class="lineno"> 396</span> <span class="preprocessor">#endif </span><span class="comment">/* POLARSSL_SELF_TEST */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00397"></a><span class="lineno"> 397</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00398"></a><span class="lineno"> 398</span> <span class="preprocessor">#endif </span><span class="comment">/* POLARSSL_MD2_C */</span><span class="preprocessor"></span></div>
<div class="ttc" id="md2_8h_html_a0c276d104d2c31328dc540a294d278f8"><div class="ttname"><a href="md2_8h.html#a0c276d104d2c31328dc540a294d278f8">md2_update</a></div><div class="ttdeci">void md2_update(md2_context *ctx, const unsigned char *input, size_t ilen)</div><div class="ttdoc">MD2 process buffer. </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="md2_8h_html_a8527bd88370e7db6350cff5631d30e4f"><div class="ttname"><a href="md2_8h.html#a8527bd88370e7db6350cff5631d30e4f">md2_init</a></div><div class="ttdeci">void md2_init(md2_context *ctx)</div><div class="ttdoc">Initialize MD2 context. </div></div>
<div class="ttc" id="md2_8h_html_a82456d0871717a352e22dad21cdc7031"><div class="ttname"><a href="md2_8h.html#a82456d0871717a352e22dad21cdc7031">md2_process</a></div><div class="ttdeci">void md2_process(md2_context *ctx)</div></div>
<div class="ttc" id="md2_8h_html_aa31d5d72006081b60f04c150a7f59e7c"><div class="ttname"><a href="md2_8h.html#aa31d5d72006081b60f04c150a7f59e7c">md2_hmac_update</a></div><div class="ttdeci">void md2_hmac_update(md2_context *ctx, const unsigned char *input, size_t ilen)</div><div class="ttdoc">MD2 HMAC process buffer. </div></div>
<div class="ttc" id="structmd2__context_html_a447b7859a8f0e340684786a82bb84ad4"><div class="ttname"><a href="structmd2__context.html#a447b7859a8f0e340684786a82bb84ad4">md2_context::cksum</a></div><div class="ttdeci">unsigned char cksum[16]</div><div class="ttdef"><b>Definition:</b> <a href="md2_8h_source.html#l00053">md2.h:53</a></div></div>
<div class="ttc" id="structmd2__context_html_ad1c1ebe46293c989075e20a17dd5a0fc"><div class="ttname"><a href="structmd2__context.html#ad1c1ebe46293c989075e20a17dd5a0fc">md2_context::state</a></div><div class="ttdeci">unsigned char state[48]</div><div class="ttdef"><b>Definition:</b> <a href="md2_8h_source.html#l00054">md2.h:54</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="md2_8h_html_a476a548f5c94240c3826eeec9ed7383e"><div class="ttname"><a href="md2_8h.html#a476a548f5c94240c3826eeec9ed7383e">md2</a></div><div class="ttdeci">void md2(const unsigned char *input, size_t ilen, unsigned char output[16])</div><div class="ttdoc">Output = MD2( input buffer ) </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="md2_8h_html_a4bf3a6b10ab516edd0aab1cb4d36fa89"><div class="ttname"><a href="md2_8h.html#a4bf3a6b10ab516edd0aab1cb4d36fa89">md2_hmac_finish</a></div><div class="ttdeci">void md2_hmac_finish(md2_context *ctx, unsigned char output[16])</div><div class="ttdoc">MD2 HMAC final digest. </div></div>
<div class="ttc" id="structmd2__context_html_a48d03e302f15d172ca4c6e8e1b11ed06"><div class="ttname"><a href="structmd2__context.html#a48d03e302f15d172ca4c6e8e1b11ed06">md2_context::opad</a></div><div class="ttdeci">unsigned char opad[16]</div><div class="ttdef"><b>Definition:</b> <a href="md2_8h_source.html#l00058">md2.h:58</a></div></div>
<div class="ttc" id="md2_8h_html_aa84e29f9bad98443b4841ad34345145b"><div class="ttname"><a href="md2_8h.html#aa84e29f9bad98443b4841ad34345145b">md2_file</a></div><div class="ttdeci">int md2_file(const char *path, unsigned char output[16])</div><div class="ttdoc">Output = MD2( file contents ) </div></div>
<div class="ttc" id="md2_8h_html_a8b755515be2b18b864228f7a9bb2cc95"><div class="ttname"><a href="md2_8h.html#a8b755515be2b18b864228f7a9bb2cc95">md2_free</a></div><div class="ttdeci">void md2_free(md2_context *ctx)</div><div class="ttdoc">Clear MD2 context. </div></div>
<div class="ttc" id="structmd2__context_html_a2f64351946cdba696cdbdc5f5ae53305"><div class="ttname"><a href="structmd2__context.html#a2f64351946cdba696cdbdc5f5ae53305">md2_context::left</a></div><div class="ttdeci">size_t left</div><div class="ttdef"><b>Definition:</b> <a href="md2_8h_source.html#l00059">md2.h:59</a></div></div>
<div class="ttc" id="structmd2__context_html_aa4348022d82dc32a4125b5217c0fd871"><div class="ttname"><a href="structmd2__context.html#aa4348022d82dc32a4125b5217c0fd871">md2_context::buffer</a></div><div class="ttdeci">unsigned char buffer[16]</div><div class="ttdef"><b>Definition:</b> <a href="md2_8h_source.html#l00055">md2.h:55</a></div></div>
<div class="ttc" id="md2_8h_html_aaffd197bfef6b96a28efc3631c60ef48"><div class="ttname"><a href="md2_8h.html#aaffd197bfef6b96a28efc3631c60ef48">POLARSSL_ERR_MD2_FILE_IO_ERROR</a></div><div class="ttdeci">#define POLARSSL_ERR_MD2_FILE_IO_ERROR</div><div class="ttdoc">Read/write error in file. </div><div class="ttdef"><b>Definition:</b> <a href="md2_8h_source.html#l00038">md2.h:38</a></div></div>
<div class="ttc" id="structmd2__context_html_aa116c2a06b50edb73e0d01c21f4c155e"><div class="ttname"><a href="structmd2__context.html#aa116c2a06b50edb73e0d01c21f4c155e">md2_context::ipad</a></div><div class="ttdeci">unsigned char ipad[16]</div><div class="ttdef"><b>Definition:</b> <a href="md2_8h_source.html#l00057">md2.h:57</a></div></div>
<div class="ttc" id="md2_8h_html_a3ad2266fc4a1b7837eade0b722979c37"><div class="ttname"><a href="md2_8h.html#a3ad2266fc4a1b7837eade0b722979c37">md2_self_test</a></div><div class="ttdeci">int md2_self_test(int verbose)</div><div class="ttdoc">Checkup routine. </div></div>
<div class="ttc" id="md2_8h_html_ab6b2d9759ed28556516adab8e3b10d4f"><div class="ttname"><a href="md2_8h.html#ab6b2d9759ed28556516adab8e3b10d4f">md2_starts</a></div><div class="ttdeci">void md2_starts(md2_context *ctx)</div><div class="ttdoc">MD2 context setup. </div></div>
<div class="ttc" id="md2_8h_html_ad0a24f75cc18ac9c16350e3be4253163"><div class="ttname"><a href="md2_8h.html#ad0a24f75cc18ac9c16350e3be4253163">md2_hmac_starts</a></div><div class="ttdeci">void md2_hmac_starts(md2_context *ctx, const unsigned char *key, size_t keylen)</div><div class="ttdoc">MD2 HMAC context setup. </div></div>
<div class="ttc" id="md2_8h_html_a78e2af60e501496faa2639803bd6a923"><div class="ttname"><a href="md2_8h.html#a78e2af60e501496faa2639803bd6a923">md2_hmac</a></div><div class="ttdeci">void md2_hmac(const unsigned char *key, size_t keylen, const unsigned char *input, size_t ilen, unsigned char output[16])</div><div class="ttdoc">Output = HMAC-MD2( hmac key, input buffer ) </div></div>
<div class="ttc" id="md2_8h_html_a2cf0f8c397ae66b528908d9675f8480e"><div class="ttname"><a href="md2_8h.html#a2cf0f8c397ae66b528908d9675f8480e">md2_hmac_reset</a></div><div class="ttdeci">void md2_hmac_reset(md2_context *ctx)</div><div class="ttdoc">MD2 HMAC context reset. </div></div>
<div class="ttc" id="structmd2__context_html"><div class="ttname"><a href="structmd2__context.html">md2_context</a></div><div class="ttdoc">MD2 context structure. </div><div class="ttdef"><b>Definition:</b> <a href="md2_8h_source.html#l00051">md2.h:51</a></div></div>
<div class="ttc" id="md2_8h_html_aaa18fa4e450a0457a05bbb2990a41726"><div class="ttname"><a href="md2_8h.html#aaa18fa4e450a0457a05bbb2990a41726">md2_finish</a></div><div class="ttdeci">void md2_finish(md2_context *ctx, unsigned char output[16])</div><div class="ttdoc">MD2 final digest. </div></div>
<div class="ttc" id="md2_8h_html"><div class="ttname"><a href="md2_8h.html">md2.h</a></div><div class="ttdoc">MD2 message digest algorithm (hash function) </div></div>
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