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<a href="pk_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"> * Public Key abstraction layer</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> </div>
<div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="preprocessor">#if !defined(POLARSSL_CONFIG_FILE)</span></div>
<div class="line"><a name="l00027"></a><span class="lineno"> 27</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="l00028"></a><span class="lineno"> 28</span> <span class="preprocessor">#else</span></div>
<div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="preprocessor"></span><span class="preprocessor">#include POLARSSL_CONFIG_FILE</span></div>
<div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="preprocessor"></span><span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="preprocessor">#if defined(POLARSSL_PK_C)</span></div>
<div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <span class="preprocessor">#include "<a class="code" href="pk_8h.html">polarssl/pk.h</a>"</span></div>
<div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="preprocessor">#include "<a class="code" href="pk__wrap_8h.html">polarssl/pk_wrap.h</a>"</span></div>
<div class="line"><a name="l00036"></a><span class="lineno"> 36</span> </div>
<div class="line"><a name="l00037"></a><span class="lineno"> 37</span> <span class="preprocessor">#if defined(POLARSSL_RSA_C)</span></div>
<div class="line"><a name="l00038"></a><span class="lineno"> 38</span> <span class="preprocessor"></span><span class="preprocessor">#include "<a class="code" href="rsa_8h.html">polarssl/rsa.h</a>"</span></div>
<div class="line"><a name="l00039"></a><span class="lineno"> 39</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00040"></a><span class="lineno"> 40</span> <span class="preprocessor"></span><span class="preprocessor">#if defined(POLARSSL_ECP_C)</span></div>
<div class="line"><a name="l00041"></a><span class="lineno"> 41</span> <span class="preprocessor"></span><span class="preprocessor">#include "<a class="code" href="ecp_8h.html">polarssl/ecp.h</a>"</span></div>
<div class="line"><a name="l00042"></a><span class="lineno"> 42</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00043"></a><span class="lineno"> 43</span> <span class="preprocessor"></span><span class="preprocessor">#if defined(POLARSSL_ECDSA_C)</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="ecdsa_8h.html">polarssl/ecdsa.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="comment">/* Implementation that should never be optimized out by the compiler */</span></div>
<div class="line"><a name="l00048"></a><span class="lineno"> 48</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="l00049"></a><span class="lineno"> 49</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="l00050"></a><span class="lineno"> 50</span> }</div>
<div class="line"><a name="l00051"></a><span class="lineno"> 51</span> </div>
<div class="line"><a name="l00052"></a><span class="lineno"> 52</span> <span class="comment">/*</span></div>
<div class="line"><a name="l00053"></a><span class="lineno"> 53</span> <span class="comment"> * Initialise a pk_context</span></div>
<div class="line"><a name="l00054"></a><span class="lineno"> 54</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00055"></a><span class="lineno"> 55</span> <span class="keywordtype">void</span> <a class="code" href="pk_8h.html#af9dc9fb5c88b9192f27b71688ecedb33">pk_init</a>( <a class="code" href="structpk__context.html">pk_context</a> *ctx )</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="keywordflow">if</span>( ctx == NULL )</div>
<div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  <span class="keywordflow">return</span>;</div>
<div class="line"><a name="l00059"></a><span class="lineno"> 59</span> </div>
<div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  ctx-><a class="code" href="structpk__context.html#aa61cd6c69b06fe79e0ba321d40252b5c">pk_info</a> = NULL;</div>
<div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  ctx-><a class="code" href="structpk__context.html#afa08ace390611a91e83f947ff16e4eae">pk_ctx</a> = NULL;</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> </div>
<div class="line"><a name="l00064"></a><span class="lineno"> 64</span> <span class="comment">/*</span></div>
<div class="line"><a name="l00065"></a><span class="lineno"> 65</span> <span class="comment"> * Free (the components of) a pk_context</span></div>
<div class="line"><a name="l00066"></a><span class="lineno"> 66</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00067"></a><span class="lineno"> 67</span> <span class="keywordtype">void</span> <a class="code" href="pk_8h.html#a7b5e20233f984cf440379b41b9961911">pk_free</a>( <a class="code" href="structpk__context.html">pk_context</a> *ctx )</div>
<div class="line"><a name="l00068"></a><span class="lineno"> 68</span> {</div>
<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  <span class="keywordflow">if</span>( ctx == NULL || ctx-><a class="code" href="structpk__context.html#aa61cd6c69b06fe79e0ba321d40252b5c">pk_info</a> == NULL )</div>
<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  <span class="keywordflow">return</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>  ctx-><a class="code" href="structpk__context.html#aa61cd6c69b06fe79e0ba321d40252b5c">pk_info</a>-><a class="code" href="structpk__info__t.html#af085c214def330a112e2a55f899ce33d">ctx_free_func</a>( ctx-><a class="code" href="structpk__context.html#afa08ace390611a91e83f947ff16e4eae">pk_ctx</a> );</div>
<div class="line"><a name="l00073"></a><span class="lineno"> 73</span> </div>
<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  polarssl_zeroize( ctx, <span class="keyword">sizeof</span>( <a class="code" href="structpk__context.html">pk_context</a> ) );</div>
<div class="line"><a name="l00075"></a><span class="lineno"> 75</span> }</div>
<div class="line"><a name="l00076"></a><span class="lineno"> 76</span> </div>
<div class="line"><a name="l00077"></a><span class="lineno"> 77</span> <span class="comment">/*</span></div>
<div class="line"><a name="l00078"></a><span class="lineno"> 78</span> <span class="comment"> * Get pk_info structure from type</span></div>
<div class="line"><a name="l00079"></a><span class="lineno"> 79</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00080"></a><span class="lineno"> 80</span> <span class="keyword">const</span> <a class="code" href="structpk__info__t.html">pk_info_t</a> * <a class="code" href="pk_8h.html#a872f51e108cbf04f0a0997440f8208f5">pk_info_from_type</a>( <a class="code" href="pk_8h.html#afca3aa33cb1f34742a7ee3fd8ccec9ca">pk_type_t</a> pk_type )</div>
<div class="line"><a name="l00081"></a><span class="lineno"> 81</span> {</div>
<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  <span class="keywordflow">switch</span>( pk_type ) {</div>
<div class="line"><a name="l00083"></a><span class="lineno"> 83</span> <span class="preprocessor">#if defined(POLARSSL_RSA_C)</span></div>
<div class="line"><a name="l00084"></a><span class="lineno"> 84</span> <span class="preprocessor"></span> <span class="keywordflow">case</span> <a class="code" href="pk_8h.html#afca3aa33cb1f34742a7ee3fd8ccec9caac21caece338fd9c2d1ee4bbdac9017e3">POLARSSL_PK_RSA</a>:</div>
<div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  <span class="keywordflow">return</span>( &<a class="code" href="pk__wrap_8h.html#a96ed8abec99d1753fa802bc209525925">rsa_info</a> );</div>
<div class="line"><a name="l00086"></a><span class="lineno"> 86</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00087"></a><span class="lineno"> 87</span> <span class="preprocessor"></span><span class="preprocessor">#if defined(POLARSSL_ECP_C)</span></div>
<div class="line"><a name="l00088"></a><span class="lineno"> 88</span> <span class="preprocessor"></span> <span class="keywordflow">case</span> <a class="code" href="pk_8h.html#afca3aa33cb1f34742a7ee3fd8ccec9caa0ca1b70e294125c0c431fadccf950b5e">POLARSSL_PK_ECKEY</a>:</div>
<div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  <span class="keywordflow">return</span>( &<a class="code" href="pk__wrap_8h.html#a4bde6ab66df5e5fba53925f78e6edb03">eckey_info</a> );</div>
<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  <span class="keywordflow">case</span> <a class="code" href="pk_8h.html#afca3aa33cb1f34742a7ee3fd8ccec9caa3fabfc2fa7f8ddef3ad6ee2f0cf712e8">POLARSSL_PK_ECKEY_DH</a>:</div>
<div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  <span class="keywordflow">return</span>( &<a class="code" href="pk__wrap_8h.html#ade39cefdf66009115525e84c27831ad8">eckeydh_info</a> );</div>
<div class="line"><a name="l00092"></a><span class="lineno"> 92</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00093"></a><span class="lineno"> 93</span> <span class="preprocessor"></span><span class="preprocessor">#if defined(POLARSSL_ECDSA_C)</span></div>
<div class="line"><a name="l00094"></a><span class="lineno"> 94</span> <span class="preprocessor"></span> <span class="keywordflow">case</span> <a class="code" href="pk_8h.html#afca3aa33cb1f34742a7ee3fd8ccec9caa0850c1ae1de62f6694008fbd6e47b879">POLARSSL_PK_ECDSA</a>:</div>
<div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  <span class="keywordflow">return</span>( &<a class="code" href="pk__wrap_8h.html#a66e23e75a0c5ab339406257fd3b78008">ecdsa_info</a> );</div>
<div class="line"><a name="l00096"></a><span class="lineno"> 96</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00097"></a><span class="lineno"> 97</span> <span class="preprocessor"></span> <span class="comment">/* POLARSSL_PK_RSA_ALT omitted on purpose */</span></div>
<div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  <span class="keywordflow">default</span>:</div>
<div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  <span class="keywordflow">return</span>( NULL );</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> </div>
<div class="line"><a name="l00103"></a><span class="lineno"> 103</span> <span class="comment">/*</span></div>
<div class="line"><a name="l00104"></a><span class="lineno"> 104</span> <span class="comment"> * Initialise context</span></div>
<div class="line"><a name="l00105"></a><span class="lineno"> 105</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00106"></a><span class="lineno"> 106</span> <span class="keywordtype">int</span> <a class="code" href="pk_8h.html#a20121fafbe05f5c4bdaade644ad2a886">pk_init_ctx</a>( <a class="code" href="structpk__context.html">pk_context</a> *ctx, <span class="keyword">const</span> <a class="code" href="structpk__info__t.html">pk_info_t</a> *info )</div>
<div class="line"><a name="l00107"></a><span class="lineno"> 107</span> {</div>
<div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  <span class="keywordflow">if</span>( ctx == NULL || info == NULL || ctx-><a class="code" href="structpk__context.html#aa61cd6c69b06fe79e0ba321d40252b5c">pk_info</a> != NULL )</div>
<div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  <span class="keywordflow">return</span>( <a class="code" href="pk_8h.html#af53e57b17f7ca55022d3b639ad0ba722">POLARSSL_ERR_PK_BAD_INPUT_DATA</a> );</div>
<div class="line"><a name="l00110"></a><span class="lineno"> 110</span> </div>
<div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  <span class="keywordflow">if</span>( ( ctx-><a class="code" href="structpk__context.html#afa08ace390611a91e83f947ff16e4eae">pk_ctx</a> = info-><a class="code" href="structpk__info__t.html#ae6651935411283c4869b1bab672b1ce2">ctx_alloc_func</a>() ) == NULL )</div>
<div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  <span class="keywordflow">return</span>( <a class="code" href="pk_8h.html#ac615b9e36b084faf6d51dc1f3405e563">POLARSSL_ERR_PK_MALLOC_FAILED</a> );</div>
<div class="line"><a name="l00113"></a><span class="lineno"> 113</span> </div>
<div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  ctx-><a class="code" href="structpk__context.html#aa61cd6c69b06fe79e0ba321d40252b5c">pk_info</a> = info;</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">return</span>( 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> </div>
<div class="line"><a name="l00119"></a><span class="lineno"> 119</span> <span class="comment">/*</span></div>
<div class="line"><a name="l00120"></a><span class="lineno"> 120</span> <span class="comment"> * Initialize an RSA-alt context</span></div>
<div class="line"><a name="l00121"></a><span class="lineno"> 121</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00122"></a><span class="lineno"> 122</span> <span class="keywordtype">int</span> <a class="code" href="pk_8h.html#a14ae82039a8ee045bc072bc5cc56b286">pk_init_ctx_rsa_alt</a>( <a class="code" href="structpk__context.html">pk_context</a> *ctx, <span class="keywordtype">void</span> * key,</div>
<div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  <a class="code" href="pk_8h.html#a41751bd8fdca87d15a129c17e02a2961">pk_rsa_alt_decrypt_func</a> decrypt_func,</div>
<div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  <a class="code" href="pk_8h.html#a8927482ee127f20158b61cfba0c44e0a">pk_rsa_alt_sign_func</a> sign_func,</div>
<div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  <a class="code" href="pk_8h.html#ad9413ee3f4b2f8e8b898af1127410e19">pk_rsa_alt_key_len_func</a> key_len_func )</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>  <a class="code" href="structrsa__alt__context.html">rsa_alt_context</a> *rsa_alt;</div>
<div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  <span class="keyword">const</span> <a class="code" href="structpk__info__t.html">pk_info_t</a> *info = &<a class="code" href="pk__wrap_8h.html#a25d1498397728781d65aabdfa77bb415">rsa_alt_info</a>;</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="keywordflow">if</span>( ctx == NULL || ctx-><a class="code" href="structpk__context.html#aa61cd6c69b06fe79e0ba321d40252b5c">pk_info</a> != NULL )</div>
<div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  <span class="keywordflow">return</span>( <a class="code" href="pk_8h.html#af53e57b17f7ca55022d3b639ad0ba722">POLARSSL_ERR_PK_BAD_INPUT_DATA</a> );</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>  <span class="keywordflow">if</span>( ( ctx-><a class="code" href="structpk__context.html#afa08ace390611a91e83f947ff16e4eae">pk_ctx</a> = info-><a class="code" href="structpk__info__t.html#ae6651935411283c4869b1bab672b1ce2">ctx_alloc_func</a>() ) == NULL )</div>
<div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  <span class="keywordflow">return</span>( <a class="code" href="pk_8h.html#ac615b9e36b084faf6d51dc1f3405e563">POLARSSL_ERR_PK_MALLOC_FAILED</a> );</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>  ctx-><a class="code" href="structpk__context.html#aa61cd6c69b06fe79e0ba321d40252b5c">pk_info</a> = info;</div>
<div class="line"><a name="l00137"></a><span class="lineno"> 137</span> </div>
<div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  rsa_alt = (<a class="code" href="structrsa__alt__context.html">rsa_alt_context</a> *) ctx-><a class="code" href="structpk__context.html#afa08ace390611a91e83f947ff16e4eae">pk_ctx</a>;</div>
<div class="line"><a name="l00139"></a><span class="lineno"> 139</span> </div>
<div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  rsa_alt-><a class="code" href="structrsa__alt__context.html#ae074940d74a96efef905adb55331f45b">key</a> = key;</div>
<div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  rsa_alt-><a class="code" href="structrsa__alt__context.html#a329811f1a115e2e8a327aeab21c1f50a">decrypt_func</a> = decrypt_func;</div>
<div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  rsa_alt-><a class="code" href="structrsa__alt__context.html#a8f8bb40db230ce426d7c405f02ff2555">sign_func</a> = sign_func;</div>
<div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  rsa_alt-><a class="code" href="structrsa__alt__context.html#a717edc21c10abc00c1c30e4ff410f3e3">key_len_func</a> = key_len_func;</div>
<div class="line"><a name="l00144"></a><span class="lineno"> 144</span> </div>
<div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  <span class="keywordflow">return</span>( 0 );</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> </div>
<div class="line"><a name="l00148"></a><span class="lineno"> 148</span> <span class="comment">/*</span></div>
<div class="line"><a name="l00149"></a><span class="lineno"> 149</span> <span class="comment"> * Tell if a PK can do the operations of the given type</span></div>
<div class="line"><a name="l00150"></a><span class="lineno"> 150</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00151"></a><span class="lineno"> 151</span> <span class="keywordtype">int</span> <a class="code" href="pk_8h.html#afd6c7a41fd9fbf5c9b0d7409f0f2bd7a">pk_can_do</a>( <a class="code" href="structpk__context.html">pk_context</a> *ctx, <a class="code" href="pk_8h.html#afca3aa33cb1f34742a7ee3fd8ccec9ca">pk_type_t</a> type )</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="comment">/* null or NONE context can't do anything */</span></div>
<div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  <span class="keywordflow">if</span>( ctx == NULL || ctx-><a class="code" href="structpk__context.html#aa61cd6c69b06fe79e0ba321d40252b5c">pk_info</a> == NULL )</div>
<div class="line"><a name="l00155"></a><span class="lineno"> 155</span>  <span class="keywordflow">return</span>( 0 );</div>
<div class="line"><a name="l00156"></a><span class="lineno"> 156</span> </div>
<div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  <span class="keywordflow">return</span>( ctx-><a class="code" href="structpk__context.html#aa61cd6c69b06fe79e0ba321d40252b5c">pk_info</a>-><a class="code" href="structpk__info__t.html#a6f6b2c645d74dc73ee3f4f477a93d6d1">can_do</a>( type ) );</div>
<div class="line"><a name="l00158"></a><span class="lineno"> 158</span> }</div>
<div class="line"><a name="l00159"></a><span class="lineno"> 159</span> </div>
<div class="line"><a name="l00160"></a><span class="lineno"> 160</span> <span class="comment">/*</span></div>
<div class="line"><a name="l00161"></a><span class="lineno"> 161</span> <span class="comment"> * Helper for pk_sign and pk_verify</span></div>
<div class="line"><a name="l00162"></a><span class="lineno"> 162</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00163"></a><span class="lineno"> 163</span> <span class="keyword">static</span> <span class="keyword">inline</span> <span class="keywordtype">int</span> pk_hashlen_helper( <a class="code" href="md_8h.html#af1fbbb67afa0daee4090cde8864e0b68">md_type_t</a> md_alg, <span class="keywordtype">size_t</span> *hash_len )</div>
<div class="line"><a name="l00164"></a><span class="lineno"> 164</span> {</div>
<div class="line"><a name="l00165"></a><span class="lineno"> 165</span>  <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="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>( *hash_len != 0 )</div>
<div class="line"><a name="l00168"></a><span class="lineno"> 168</span>  <span class="keywordflow">return</span>( 0 );</div>
<div class="line"><a name="l00169"></a><span class="lineno"> 169</span> </div>
<div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  <span class="keywordflow">if</span>( ( md_info = <a class="code" href="md_8h.html#a622c94870533dc68f54b8df520d2c6d9">md_info_from_type</a>( md_alg ) ) == NULL )</div>
<div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  <span class="keywordflow">return</span>( -1 );</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>  *hash_len = md_info-><a class="code" href="structmd__info__t.html#aedb1e12797791c9b7f5545bda6e3172d">size</a>;</div>
<div class="line"><a name="l00174"></a><span class="lineno"> 174</span>  <span class="keywordflow">return</span>( 0 );</div>
<div class="line"><a name="l00175"></a><span class="lineno"> 175</span> }</div>
<div class="line"><a name="l00176"></a><span class="lineno"> 176</span> </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="comment"> * Verify a signature</span></div>
<div class="line"><a name="l00179"></a><span class="lineno"> 179</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00180"></a><span class="lineno"> 180</span> <span class="keywordtype">int</span> <a class="code" href="pk_8h.html#a983cd494460c58663c998d5072fe5bd0">pk_verify</a>( <a class="code" href="structpk__context.html">pk_context</a> *ctx, <a class="code" href="md_8h.html#af1fbbb67afa0daee4090cde8864e0b68">md_type_t</a> md_alg,</div>
<div class="line"><a name="l00181"></a><span class="lineno"> 181</span>  <span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *hash, <span class="keywordtype">size_t</span> hash_len,</div>
<div class="line"><a name="l00182"></a><span class="lineno"> 182</span>  <span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *sig, <span class="keywordtype">size_t</span> sig_len )</div>
<div class="line"><a name="l00183"></a><span class="lineno"> 183</span> {</div>
<div class="line"><a name="l00184"></a><span class="lineno"> 184</span>  <span class="keywordflow">if</span>( ctx == NULL || ctx-><a class="code" href="structpk__context.html#aa61cd6c69b06fe79e0ba321d40252b5c">pk_info</a> == NULL ||</div>
<div class="line"><a name="l00185"></a><span class="lineno"> 185</span>  pk_hashlen_helper( md_alg, &hash_len ) != 0 )</div>
<div class="line"><a name="l00186"></a><span class="lineno"> 186</span>  <span class="keywordflow">return</span>( <a class="code" href="pk_8h.html#af53e57b17f7ca55022d3b639ad0ba722">POLARSSL_ERR_PK_BAD_INPUT_DATA</a> );</div>
<div class="line"><a name="l00187"></a><span class="lineno"> 187</span> </div>
<div class="line"><a name="l00188"></a><span class="lineno"> 188</span>  <span class="keywordflow">if</span>( ctx-><a class="code" href="structpk__context.html#aa61cd6c69b06fe79e0ba321d40252b5c">pk_info</a>-><a class="code" href="structpk__info__t.html#a4c6fff900ffa04050378ac7a48e5a5bf">verify_func</a> == NULL )</div>
<div class="line"><a name="l00189"></a><span class="lineno"> 189</span>  <span class="keywordflow">return</span>( <a class="code" href="pk_8h.html#adfc2587a1c20023c21a1121d3a396d2f">POLARSSL_ERR_PK_TYPE_MISMATCH</a> );</div>
<div class="line"><a name="l00190"></a><span class="lineno"> 190</span> </div>
<div class="line"><a name="l00191"></a><span class="lineno"> 191</span>  <span class="keywordflow">return</span>( ctx-><a class="code" href="structpk__context.html#aa61cd6c69b06fe79e0ba321d40252b5c">pk_info</a>-><a class="code" href="structpk__info__t.html#a4c6fff900ffa04050378ac7a48e5a5bf">verify_func</a>( ctx-><a class="code" href="structpk__context.html#afa08ace390611a91e83f947ff16e4eae">pk_ctx</a>, md_alg, hash, hash_len,</div>
<div class="line"><a name="l00192"></a><span class="lineno"> 192</span>  sig, sig_len ) );</div>
<div class="line"><a name="l00193"></a><span class="lineno"> 193</span> }</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> <span class="comment">/*</span></div>
<div class="line"><a name="l00196"></a><span class="lineno"> 196</span> <span class="comment"> * Verify a signature with options</span></div>
<div class="line"><a name="l00197"></a><span class="lineno"> 197</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00198"></a><span class="lineno"> 198</span> <span class="keywordtype">int</span> <a class="code" href="pk_8h.html#a3a3c4fb7fad1c9097df161208d81b097">pk_verify_ext</a>( <a class="code" href="pk_8h.html#afca3aa33cb1f34742a7ee3fd8ccec9ca">pk_type_t</a> type, <span class="keyword">const</span> <span class="keywordtype">void</span> *options,</div>
<div class="line"><a name="l00199"></a><span class="lineno"> 199</span>  <a class="code" href="structpk__context.html">pk_context</a> *ctx, <a class="code" href="md_8h.html#af1fbbb67afa0daee4090cde8864e0b68">md_type_t</a> md_alg,</div>
<div class="line"><a name="l00200"></a><span class="lineno"> 200</span>  <span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *hash, <span class="keywordtype">size_t</span> hash_len,</div>
<div class="line"><a name="l00201"></a><span class="lineno"> 201</span>  <span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *sig, <span class="keywordtype">size_t</span> sig_len )</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>  <span class="keywordflow">if</span>( ctx == NULL || ctx-><a class="code" href="structpk__context.html#aa61cd6c69b06fe79e0ba321d40252b5c">pk_info</a> == NULL )</div>
<div class="line"><a name="l00204"></a><span class="lineno"> 204</span>  <span class="keywordflow">return</span>( <a class="code" href="pk_8h.html#af53e57b17f7ca55022d3b639ad0ba722">POLARSSL_ERR_PK_BAD_INPUT_DATA</a> );</div>
<div class="line"><a name="l00205"></a><span class="lineno"> 205</span> </div>
<div class="line"><a name="l00206"></a><span class="lineno"> 206</span>  <span class="keywordflow">if</span>( ! <a class="code" href="pk_8h.html#afd6c7a41fd9fbf5c9b0d7409f0f2bd7a">pk_can_do</a>( ctx, type ) )</div>
<div class="line"><a name="l00207"></a><span class="lineno"> 207</span>  <span class="keywordflow">return</span>( <a class="code" href="pk_8h.html#adfc2587a1c20023c21a1121d3a396d2f">POLARSSL_ERR_PK_TYPE_MISMATCH</a> );</div>
<div class="line"><a name="l00208"></a><span class="lineno"> 208</span> </div>
<div class="line"><a name="l00209"></a><span class="lineno"> 209</span>  <span class="keywordflow">if</span>( type == <a class="code" href="pk_8h.html#afca3aa33cb1f34742a7ee3fd8ccec9caa67532cca7f6aae8de28438222d0c49bd">POLARSSL_PK_RSASSA_PSS</a> )</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> <span class="preprocessor">#if defined(POLARSSL_RSA_C) && defined(POLARSSL_PKCS1_V21)</span></div>
<div class="line"><a name="l00212"></a><span class="lineno"> 212</span> <span class="preprocessor"></span> <span class="keywordtype">int</span> ret;</div>
<div class="line"><a name="l00213"></a><span class="lineno"> 213</span>  <span class="keyword">const</span> <a class="code" href="structpk__rsassa__pss__options.html">pk_rsassa_pss_options</a> *pss_opts;</div>
<div class="line"><a name="l00214"></a><span class="lineno"> 214</span> </div>
<div class="line"><a name="l00215"></a><span class="lineno"> 215</span>  <span class="keywordflow">if</span>( options == NULL )</div>
<div class="line"><a name="l00216"></a><span class="lineno"> 216</span>  <span class="keywordflow">return</span>( <a class="code" href="pk_8h.html#af53e57b17f7ca55022d3b639ad0ba722">POLARSSL_ERR_PK_BAD_INPUT_DATA</a> );</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>  pss_opts = (<span class="keyword">const</span> <a class="code" href="structpk__rsassa__pss__options.html">pk_rsassa_pss_options</a> *) options;</div>
<div class="line"><a name="l00219"></a><span class="lineno"> 219</span> </div>
<div class="line"><a name="l00220"></a><span class="lineno"> 220</span>  <span class="keywordflow">if</span>( sig_len < <a class="code" href="pk_8h.html#a8455224749a8b3c0298d1468c8916169">pk_get_len</a>( ctx ) )</div>
<div class="line"><a name="l00221"></a><span class="lineno"> 221</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="l00222"></a><span class="lineno"> 222</span> </div>
<div class="line"><a name="l00223"></a><span class="lineno"> 223</span>  ret = <a class="code" href="rsa_8h.html#a36ffdd0c13ed675bd027fc688c034f39">rsa_rsassa_pss_verify_ext</a>( <a class="code" href="pk_8h.html#a38f752fba9162d32f36e5d55e2d829e5">pk_rsa</a>( *ctx ),</div>
<div class="line"><a name="l00224"></a><span class="lineno"> 224</span>  NULL, NULL, <a class="code" href="rsa_8h.html#a1f00bab389d3db27a115db74e32be727">RSA_PUBLIC</a>,</div>
<div class="line"><a name="l00225"></a><span class="lineno"> 225</span>  md_alg, hash_len, hash,</div>
<div class="line"><a name="l00226"></a><span class="lineno"> 226</span>  pss_opts-><a class="code" href="structpk__rsassa__pss__options.html#a32d7ce76952782574665e70eb99f7b1c">mgf1_hash_id</a>,</div>
<div class="line"><a name="l00227"></a><span class="lineno"> 227</span>  pss_opts-><a class="code" href="structpk__rsassa__pss__options.html#a5ea26805899a1d1d942daa7194b355ae">expected_salt_len</a>,</div>
<div class="line"><a name="l00228"></a><span class="lineno"> 228</span>  sig );</div>
<div class="line"><a name="l00229"></a><span class="lineno"> 229</span>  <span class="keywordflow">if</span>( ret != 0 )</div>
<div class="line"><a name="l00230"></a><span class="lineno"> 230</span>  <span class="keywordflow">return</span>( ret );</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>  <span class="keywordflow">if</span>( sig_len > <a class="code" href="pk_8h.html#a8455224749a8b3c0298d1468c8916169">pk_get_len</a>( ctx ) )</div>
<div class="line"><a name="l00233"></a><span class="lineno"> 233</span>  <span class="keywordflow">return</span>( <a class="code" href="pk_8h.html#a455daffab2c5f217faf4e65c26a8c505">POLARSSL_ERR_PK_SIG_LEN_MISMATCH</a> );</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">return</span>( 0 );</div>
<div class="line"><a name="l00236"></a><span class="lineno"> 236</span> <span class="preprocessor">#else</span></div>
<div class="line"><a name="l00237"></a><span class="lineno"> 237</span> <span class="preprocessor"></span> <span class="keywordflow">return</span>( <a class="code" href="pk_8h.html#a37a8bde8e3ed0443bba504a22e83045c">POLARSSL_ERR_PK_FEATURE_UNAVAILABLE</a> );</div>
<div class="line"><a name="l00238"></a><span class="lineno"> 238</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00239"></a><span class="lineno"> 239</span> <span class="preprocessor"></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>  <span class="comment">/* General case: no options */</span></div>
<div class="line"><a name="l00242"></a><span class="lineno"> 242</span>  <span class="keywordflow">if</span>( options != NULL )</div>
<div class="line"><a name="l00243"></a><span class="lineno"> 243</span>  <span class="keywordflow">return</span>( <a class="code" href="pk_8h.html#af53e57b17f7ca55022d3b639ad0ba722">POLARSSL_ERR_PK_BAD_INPUT_DATA</a> );</div>
<div class="line"><a name="l00244"></a><span class="lineno"> 244</span> </div>
<div class="line"><a name="l00245"></a><span class="lineno"> 245</span>  <span class="keywordflow">return</span>( <a class="code" href="pk_8h.html#a983cd494460c58663c998d5072fe5bd0">pk_verify</a>( ctx, md_alg, hash, hash_len, sig, sig_len ) );</div>
<div class="line"><a name="l00246"></a><span class="lineno"> 246</span> }</div>
<div class="line"><a name="l00247"></a><span class="lineno"> 247</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="comment"> * Make a signature</span></div>
<div class="line"><a name="l00250"></a><span class="lineno"> 250</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00251"></a><span class="lineno"> 251</span> <span class="keywordtype">int</span> <a class="code" href="pk_8h.html#a7f5f2b84010885d569ddc0d408e60642">pk_sign</a>( <a class="code" href="structpk__context.html">pk_context</a> *ctx, <a class="code" href="md_8h.html#af1fbbb67afa0daee4090cde8864e0b68">md_type_t</a> md_alg,</div>
<div class="line"><a name="l00252"></a><span class="lineno"> 252</span>  <span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *hash, <span class="keywordtype">size_t</span> hash_len,</div>
<div class="line"><a name="l00253"></a><span class="lineno"> 253</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *sig, <span class="keywordtype">size_t</span> *sig_len,</div>
<div class="line"><a name="l00254"></a><span class="lineno"> 254</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="l00255"></a><span class="lineno"> 255</span> {</div>
<div class="line"><a name="l00256"></a><span class="lineno"> 256</span>  <span class="keywordflow">if</span>( ctx == NULL || ctx-><a class="code" href="structpk__context.html#aa61cd6c69b06fe79e0ba321d40252b5c">pk_info</a> == NULL ||</div>
<div class="line"><a name="l00257"></a><span class="lineno"> 257</span>  pk_hashlen_helper( md_alg, &hash_len ) != 0 )</div>
<div class="line"><a name="l00258"></a><span class="lineno"> 258</span>  <span class="keywordflow">return</span>( <a class="code" href="pk_8h.html#af53e57b17f7ca55022d3b639ad0ba722">POLARSSL_ERR_PK_BAD_INPUT_DATA</a> );</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>  <span class="keywordflow">if</span>( ctx-><a class="code" href="structpk__context.html#aa61cd6c69b06fe79e0ba321d40252b5c">pk_info</a>-><a class="code" href="structpk__info__t.html#aec33fbe6849435a395037dcab1b5222a">sign_func</a> == NULL )</div>
<div class="line"><a name="l00261"></a><span class="lineno"> 261</span>  <span class="keywordflow">return</span>( <a class="code" href="pk_8h.html#adfc2587a1c20023c21a1121d3a396d2f">POLARSSL_ERR_PK_TYPE_MISMATCH</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>  <span class="keywordflow">return</span>( ctx-><a class="code" href="structpk__context.html#aa61cd6c69b06fe79e0ba321d40252b5c">pk_info</a>-><a class="code" href="structpk__info__t.html#aec33fbe6849435a395037dcab1b5222a">sign_func</a>( ctx-><a class="code" href="structpk__context.html#afa08ace390611a91e83f947ff16e4eae">pk_ctx</a>, md_alg, hash, hash_len,</div>
<div class="line"><a name="l00264"></a><span class="lineno"> 264</span>  sig, sig_len, f_rng, p_rng ) );</div>
<div class="line"><a name="l00265"></a><span class="lineno"> 265</span> }</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> <span class="comment">/*</span></div>
<div class="line"><a name="l00268"></a><span class="lineno"> 268</span> <span class="comment"> * Decrypt message</span></div>
<div class="line"><a name="l00269"></a><span class="lineno"> 269</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00270"></a><span class="lineno"> 270</span> <span class="keywordtype">int</span> <a class="code" href="pk_8h.html#a28b374cdb014b7cbef02a68e391c58c8">pk_decrypt</a>( <a class="code" href="structpk__context.html">pk_context</a> *ctx,</div>
<div class="line"><a name="l00271"></a><span class="lineno"> 271</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="l00272"></a><span class="lineno"> 272</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *output, <span class="keywordtype">size_t</span> *olen, <span class="keywordtype">size_t</span> osize,</div>
<div class="line"><a name="l00273"></a><span class="lineno"> 273</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="l00274"></a><span class="lineno"> 274</span> {</div>
<div class="line"><a name="l00275"></a><span class="lineno"> 275</span>  <span class="keywordflow">if</span>( ctx == NULL || ctx-><a class="code" href="structpk__context.html#aa61cd6c69b06fe79e0ba321d40252b5c">pk_info</a> == NULL )</div>
<div class="line"><a name="l00276"></a><span class="lineno"> 276</span>  <span class="keywordflow">return</span>( <a class="code" href="pk_8h.html#af53e57b17f7ca55022d3b639ad0ba722">POLARSSL_ERR_PK_BAD_INPUT_DATA</a> );</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="keywordflow">if</span>( ctx-><a class="code" href="structpk__context.html#aa61cd6c69b06fe79e0ba321d40252b5c">pk_info</a>-><a class="code" href="structpk__info__t.html#ae081483e8045e922774606baf2ef1b40">decrypt_func</a> == NULL )</div>
<div class="line"><a name="l00279"></a><span class="lineno"> 279</span>  <span class="keywordflow">return</span>( <a class="code" href="pk_8h.html#adfc2587a1c20023c21a1121d3a396d2f">POLARSSL_ERR_PK_TYPE_MISMATCH</a> );</div>
<div class="line"><a name="l00280"></a><span class="lineno"> 280</span> </div>
<div class="line"><a name="l00281"></a><span class="lineno"> 281</span>  <span class="keywordflow">return</span>( ctx-><a class="code" href="structpk__context.html#aa61cd6c69b06fe79e0ba321d40252b5c">pk_info</a>-><a class="code" href="structpk__info__t.html#ae081483e8045e922774606baf2ef1b40">decrypt_func</a>( ctx-><a class="code" href="structpk__context.html#afa08ace390611a91e83f947ff16e4eae">pk_ctx</a>, input, ilen,</div>
<div class="line"><a name="l00282"></a><span class="lineno"> 282</span>  output, olen, osize, f_rng, p_rng ) );</div>
<div class="line"><a name="l00283"></a><span class="lineno"> 283</span> }</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> <span class="comment">/*</span></div>
<div class="line"><a name="l00286"></a><span class="lineno"> 286</span> <span class="comment"> * Encrypt message</span></div>
<div class="line"><a name="l00287"></a><span class="lineno"> 287</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00288"></a><span class="lineno"> 288</span> <span class="keywordtype">int</span> <a class="code" href="pk_8h.html#a1dd92fc68132d533530bcee594c49cf5">pk_encrypt</a>( <a class="code" href="structpk__context.html">pk_context</a> *ctx,</div>
<div class="line"><a name="l00289"></a><span class="lineno"> 289</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="l00290"></a><span class="lineno"> 290</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *output, <span class="keywordtype">size_t</span> *olen, <span class="keywordtype">size_t</span> osize,</div>
<div class="line"><a name="l00291"></a><span class="lineno"> 291</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="l00292"></a><span class="lineno"> 292</span> {</div>
<div class="line"><a name="l00293"></a><span class="lineno"> 293</span>  <span class="keywordflow">if</span>( ctx == NULL || ctx-><a class="code" href="structpk__context.html#aa61cd6c69b06fe79e0ba321d40252b5c">pk_info</a> == NULL )</div>
<div class="line"><a name="l00294"></a><span class="lineno"> 294</span>  <span class="keywordflow">return</span>( <a class="code" href="pk_8h.html#af53e57b17f7ca55022d3b639ad0ba722">POLARSSL_ERR_PK_BAD_INPUT_DATA</a> );</div>
<div class="line"><a name="l00295"></a><span class="lineno"> 295</span> </div>
<div class="line"><a name="l00296"></a><span class="lineno"> 296</span>  <span class="keywordflow">if</span>( ctx-><a class="code" href="structpk__context.html#aa61cd6c69b06fe79e0ba321d40252b5c">pk_info</a>-><a class="code" href="structpk__info__t.html#a45eea226acaa04797b795d66364d5e51">encrypt_func</a> == NULL )</div>
<div class="line"><a name="l00297"></a><span class="lineno"> 297</span>  <span class="keywordflow">return</span>( <a class="code" href="pk_8h.html#adfc2587a1c20023c21a1121d3a396d2f">POLARSSL_ERR_PK_TYPE_MISMATCH</a> );</div>
<div class="line"><a name="l00298"></a><span class="lineno"> 298</span> </div>
<div class="line"><a name="l00299"></a><span class="lineno"> 299</span>  <span class="keywordflow">return</span>( ctx-><a class="code" href="structpk__context.html#aa61cd6c69b06fe79e0ba321d40252b5c">pk_info</a>-><a class="code" href="structpk__info__t.html#a45eea226acaa04797b795d66364d5e51">encrypt_func</a>( ctx-><a class="code" href="structpk__context.html#afa08ace390611a91e83f947ff16e4eae">pk_ctx</a>, input, ilen,</div>
<div class="line"><a name="l00300"></a><span class="lineno"> 300</span>  output, olen, osize, f_rng, p_rng ) );</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> </div>
<div class="line"><a name="l00303"></a><span class="lineno"> 303</span> <span class="comment">/*</span></div>
<div class="line"><a name="l00304"></a><span class="lineno"> 304</span> <span class="comment"> * Get key size in bits</span></div>
<div class="line"><a name="l00305"></a><span class="lineno"> 305</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00306"></a><span class="lineno"> 306</span> <span class="keywordtype">size_t</span> <a class="code" href="pk_8h.html#aba04299e090477925590c9e70b4b5a52">pk_get_size</a>( <span class="keyword">const</span> <a class="code" href="structpk__context.html">pk_context</a> *ctx )</div>
<div class="line"><a name="l00307"></a><span class="lineno"> 307</span> {</div>
<div class="line"><a name="l00308"></a><span class="lineno"> 308</span>  <span class="keywordflow">if</span>( ctx == NULL || ctx-><a class="code" href="structpk__context.html#aa61cd6c69b06fe79e0ba321d40252b5c">pk_info</a> == NULL )</div>
<div class="line"><a name="l00309"></a><span class="lineno"> 309</span>  <span class="keywordflow">return</span>( 0 );</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="keywordflow">return</span>( ctx-><a class="code" href="structpk__context.html#aa61cd6c69b06fe79e0ba321d40252b5c">pk_info</a>-><a class="code" href="structpk__info__t.html#a6dcce8287a6da934f57d8f753c5b9358">get_size</a>( ctx-><a class="code" href="structpk__context.html#afa08ace390611a91e83f947ff16e4eae">pk_ctx</a> ) );</div>
<div class="line"><a name="l00312"></a><span class="lineno"> 312</span> }</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">/*</span></div>
<div class="line"><a name="l00315"></a><span class="lineno"> 315</span> <span class="comment"> * Export debug information</span></div>
<div class="line"><a name="l00316"></a><span class="lineno"> 316</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00317"></a><span class="lineno"> 317</span> <span class="keywordtype">int</span> <a class="code" href="pk_8h.html#ac769244ad219173fe42e3022389ad574">pk_debug</a>( <span class="keyword">const</span> <a class="code" href="structpk__context.html">pk_context</a> *ctx, <a class="code" href="structpk__debug__item.html">pk_debug_item</a> *items )</div>
<div class="line"><a name="l00318"></a><span class="lineno"> 318</span> {</div>
<div class="line"><a name="l00319"></a><span class="lineno"> 319</span>  <span class="keywordflow">if</span>( ctx == NULL || ctx-><a class="code" href="structpk__context.html#aa61cd6c69b06fe79e0ba321d40252b5c">pk_info</a> == NULL )</div>
<div class="line"><a name="l00320"></a><span class="lineno"> 320</span>  <span class="keywordflow">return</span>( <a class="code" href="pk_8h.html#af53e57b17f7ca55022d3b639ad0ba722">POLARSSL_ERR_PK_BAD_INPUT_DATA</a> );</div>
<div class="line"><a name="l00321"></a><span class="lineno"> 321</span> </div>
<div class="line"><a name="l00322"></a><span class="lineno"> 322</span>  <span class="keywordflow">if</span>( ctx-><a class="code" href="structpk__context.html#aa61cd6c69b06fe79e0ba321d40252b5c">pk_info</a>-><a class="code" href="structpk__info__t.html#adcca09fc260afe096b26a4348f6658e6">debug_func</a> == NULL )</div>
<div class="line"><a name="l00323"></a><span class="lineno"> 323</span>  <span class="keywordflow">return</span>( <a class="code" href="pk_8h.html#adfc2587a1c20023c21a1121d3a396d2f">POLARSSL_ERR_PK_TYPE_MISMATCH</a> );</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>  ctx-><a class="code" href="structpk__context.html#aa61cd6c69b06fe79e0ba321d40252b5c">pk_info</a>-><a class="code" href="structpk__info__t.html#adcca09fc260afe096b26a4348f6658e6">debug_func</a>( ctx-><a class="code" href="structpk__context.html#afa08ace390611a91e83f947ff16e4eae">pk_ctx</a>, items );</div>
<div class="line"><a name="l00326"></a><span class="lineno"> 326</span>  <span class="keywordflow">return</span>( 0 );</div>
<div class="line"><a name="l00327"></a><span class="lineno"> 327</span> }</div>
<div class="line"><a name="l00328"></a><span class="lineno"> 328</span> </div>
<div class="line"><a name="l00329"></a><span class="lineno"> 329</span> <span class="comment">/*</span></div>
<div class="line"><a name="l00330"></a><span class="lineno"> 330</span> <span class="comment"> * Access the PK type name</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">const</span> <span class="keywordtype">char</span> * <a class="code" href="pk_8h.html#a8c98e8c088dce6f72b4c8825d6f19160">pk_get_name</a>( <span class="keyword">const</span> <a class="code" href="structpk__context.html">pk_context</a> *ctx )</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="keywordflow">if</span>( ctx == NULL || ctx-><a class="code" href="structpk__context.html#aa61cd6c69b06fe79e0ba321d40252b5c">pk_info</a> == NULL )</div>
<div class="line"><a name="l00335"></a><span class="lineno"> 335</span>  <span class="keywordflow">return</span>( <span class="stringliteral">"invalid PK"</span> );</div>
<div class="line"><a name="l00336"></a><span class="lineno"> 336</span> </div>
<div class="line"><a name="l00337"></a><span class="lineno"> 337</span>  <span class="keywordflow">return</span>( ctx-><a class="code" href="structpk__context.html#aa61cd6c69b06fe79e0ba321d40252b5c">pk_info</a>-><a class="code" href="structpk__info__t.html#af3e645f1fb64adff93048a8a231c923d">name</a> );</div>
<div class="line"><a name="l00338"></a><span class="lineno"> 338</span> }</div>
<div class="line"><a name="l00339"></a><span class="lineno"> 339</span> </div>
<div class="line"><a name="l00340"></a><span class="lineno"> 340</span> <span class="comment">/*</span></div>
<div class="line"><a name="l00341"></a><span class="lineno"> 341</span> <span class="comment"> * Access the PK type</span></div>
<div class="line"><a name="l00342"></a><span class="lineno"> 342</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00343"></a><span class="lineno"> 343</span> <a class="code" href="pk_8h.html#afca3aa33cb1f34742a7ee3fd8ccec9ca">pk_type_t</a> <a class="code" href="pk_8h.html#ad3b2000d9b043b19530042170e61c404">pk_get_type</a>( <span class="keyword">const</span> <a class="code" href="structpk__context.html">pk_context</a> *ctx )</div>
<div class="line"><a name="l00344"></a><span class="lineno"> 344</span> {</div>
<div class="line"><a name="l00345"></a><span class="lineno"> 345</span>  <span class="keywordflow">if</span>( ctx == NULL || ctx-><a class="code" href="structpk__context.html#aa61cd6c69b06fe79e0ba321d40252b5c">pk_info</a> == NULL )</div>
<div class="line"><a name="l00346"></a><span class="lineno"> 346</span>  <span class="keywordflow">return</span>( <a class="code" href="pk_8h.html#afca3aa33cb1f34742a7ee3fd8ccec9caafcfacdf2203aeb937e4dfe6bb11f6088">POLARSSL_PK_NONE</a> );</div>
<div class="line"><a name="l00347"></a><span class="lineno"> 347</span> </div>
<div class="line"><a name="l00348"></a><span class="lineno"> 348</span>  <span class="keywordflow">return</span>( ctx-><a class="code" href="structpk__context.html#aa61cd6c69b06fe79e0ba321d40252b5c">pk_info</a>-><a class="code" href="structpk__info__t.html#a768d03e2e8c1762596f307d9f0c1dc50">type</a> );</div>
<div class="line"><a name="l00349"></a><span class="lineno"> 349</span> }</div>
<div class="line"><a name="l00350"></a><span class="lineno"> 350</span> </div>
<div class="line"><a name="l00351"></a><span class="lineno"> 351</span> <span class="preprocessor">#endif </span><span class="comment">/* POLARSSL_PK_C */</span><span class="preprocessor"></span></div>
<div class="ttc" id="pk_8h_html_afca3aa33cb1f34742a7ee3fd8ccec9caa0850c1ae1de62f6694008fbd6e47b879"><div class="ttname"><a href="pk_8h.html#afca3aa33cb1f34742a7ee3fd8ccec9caa0850c1ae1de62f6694008fbd6e47b879">POLARSSL_PK_ECDSA</a></div><div class="ttdef"><b>Definition:</b> <a href="pk_8h_source.html#l00100">pk.h:100</a></div></div>
<div class="ttc" id="pk_8h_html_a8455224749a8b3c0298d1468c8916169"><div class="ttname"><a href="pk_8h.html#a8455224749a8b3c0298d1468c8916169">pk_get_len</a></div><div class="ttdeci">static size_t pk_get_len(const pk_context *ctx)</div><div class="ttdoc">Get the length in bytes of the underlying key. </div><div class="ttdef"><b>Definition:</b> <a href="pk_8h_source.html#l00281">pk.h:281</a></div></div>
<div class="ttc" id="pk_8h_html_a455daffab2c5f217faf4e65c26a8c505"><div class="ttname"><a href="pk_8h.html#a455daffab2c5f217faf4e65c26a8c505">POLARSSL_ERR_PK_SIG_LEN_MISMATCH</a></div><div class="ttdeci">#define POLARSSL_ERR_PK_SIG_LEN_MISMATCH</div><div class="ttdoc">The signature is valid but its length is less than expected. </div><div class="ttdef"><b>Definition:</b> <a href="pk_8h_source.html#l00064">pk.h:64</a></div></div>
<div class="ttc" id="pk_8h_html_a872f51e108cbf04f0a0997440f8208f5"><div class="ttname"><a href="pk_8h.html#a872f51e108cbf04f0a0997440f8208f5">pk_info_from_type</a></div><div class="ttdeci">const pk_info_t * pk_info_from_type(pk_type_t pk_type)</div><div class="ttdoc">Return information associated with the given PK type. </div></div>
<div class="ttc" id="structrsa__alt__context_html_a329811f1a115e2e8a327aeab21c1f50a"><div class="ttname"><a href="structrsa__alt__context.html#a329811f1a115e2e8a327aeab21c1f50a">rsa_alt_context::decrypt_func</a></div><div class="ttdeci">pk_rsa_alt_decrypt_func decrypt_func</div><div class="ttdef"><b>Definition:</b> <a href="pk__wrap_8h_source.html#l00043">pk_wrap.h:43</a></div></div>
<div class="ttc" id="pk__wrap_8h_html_ade39cefdf66009115525e84c27831ad8"><div class="ttname"><a href="pk__wrap_8h.html#ade39cefdf66009115525e84c27831ad8">eckeydh_info</a></div><div class="ttdeci">const pk_info_t eckeydh_info</div></div>
<div class="ttc" id="structpk__info__t_html_a4c6fff900ffa04050378ac7a48e5a5bf"><div class="ttname"><a href="structpk__info__t.html#a4c6fff900ffa04050378ac7a48e5a5bf">pk_info_t::verify_func</a></div><div class="ttdeci">int(* verify_func)(void *ctx, md_type_t md_alg, const unsigned char *hash, size_t hash_len, const unsigned char *sig, size_t sig_len)</div><div class="ttdoc">Verify signature. </div><div class="ttdef"><b>Definition:</b> <a href="pk_8h_source.html#l00157">pk.h:157</a></div></div>
<div class="ttc" id="ecp_8h_html"><div class="ttname"><a href="ecp_8h.html">ecp.h</a></div><div class="ttdoc">Elliptic curves over GF(p) </div></div>
<div class="ttc" id="pk_8h_html_aba04299e090477925590c9e70b4b5a52"><div class="ttname"><a href="pk_8h.html#aba04299e090477925590c9e70b4b5a52">pk_get_size</a></div><div class="ttdeci">size_t pk_get_size(const pk_context *ctx)</div><div class="ttdoc">Get the size in bits of the underlying key. </div></div>
<div class="ttc" id="ecdsa_8h_html"><div class="ttname"><a href="ecdsa_8h.html">ecdsa.h</a></div><div class="ttdoc">Elliptic curve DSA. </div></div>
<div class="ttc" id="structpk__rsassa__pss__options_html"><div class="ttname"><a href="structpk__rsassa__pss__options.html">pk_rsassa_pss_options</a></div><div class="ttdoc">Options for RSASSA-PSS signature verification. </div><div class="ttdef"><b>Definition:</b> <a href="pk_8h_source.html#l00109">pk.h:109</a></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="pk_8h_html_a28b374cdb014b7cbef02a68e391c58c8"><div class="ttname"><a href="pk_8h.html#a28b374cdb014b7cbef02a68e391c58c8">pk_decrypt</a></div><div class="ttdeci">int pk_decrypt(pk_context *ctx, const unsigned char *input, size_t ilen, unsigned char *output, size_t *olen, size_t osize, int(*f_rng)(void *, unsigned char *, size_t), void *p_rng)</div><div class="ttdoc">Decrypt message (including padding if relevant). </div></div>
<div class="ttc" id="pk_8h_html_ac769244ad219173fe42e3022389ad574"><div class="ttname"><a href="pk_8h.html#ac769244ad219173fe42e3022389ad574">pk_debug</a></div><div class="ttdeci">int pk_debug(const pk_context *ctx, pk_debug_item *items)</div><div class="ttdoc">Export debug information. </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="pk_8h_html_afca3aa33cb1f34742a7ee3fd8ccec9caa67532cca7f6aae8de28438222d0c49bd"><div class="ttname"><a href="pk_8h.html#afca3aa33cb1f34742a7ee3fd8ccec9caa67532cca7f6aae8de28438222d0c49bd">POLARSSL_PK_RSASSA_PSS</a></div><div class="ttdef"><b>Definition:</b> <a href="pk_8h_source.html#l00102">pk.h:102</a></div></div>
<div class="ttc" id="structpk__context_html_aa61cd6c69b06fe79e0ba321d40252b5c"><div class="ttname"><a href="structpk__context.html#aa61cd6c69b06fe79e0ba321d40252b5c">pk_context::pk_info</a></div><div class="ttdeci">const pk_info_t * pk_info</div><div class="ttdoc">Public key informations. </div><div class="ttdef"><b>Definition:</b> <a href="pk_8h_source.html#l00196">pk.h:196</a></div></div>
<div class="ttc" id="pk_8h_html_ad3b2000d9b043b19530042170e61c404"><div class="ttname"><a href="pk_8h.html#ad3b2000d9b043b19530042170e61c404">pk_get_type</a></div><div class="ttdeci">pk_type_t pk_get_type(const pk_context *ctx)</div><div class="ttdoc">Get the key type. </div></div>
<div class="ttc" id="pk_8h_html_a8c98e8c088dce6f72b4c8825d6f19160"><div class="ttname"><a href="pk_8h.html#a8c98e8c088dce6f72b4c8825d6f19160">pk_get_name</a></div><div class="ttdeci">const char * pk_get_name(const pk_context *ctx)</div><div class="ttdoc">Access the type name. </div></div>
<div class="ttc" id="structpk__rsassa__pss__options_html_a5ea26805899a1d1d942daa7194b355ae"><div class="ttname"><a href="structpk__rsassa__pss__options.html#a5ea26805899a1d1d942daa7194b355ae">pk_rsassa_pss_options::expected_salt_len</a></div><div class="ttdeci">int expected_salt_len</div><div class="ttdef"><b>Definition:</b> <a href="pk_8h_source.html#l00112">pk.h:112</a></div></div>
<div class="ttc" id="pk_8h_html"><div class="ttname"><a href="pk_8h.html">pk.h</a></div><div class="ttdoc">Public Key abstraction layer. </div></div>
<div class="ttc" id="pk_8h_html_a14ae82039a8ee045bc072bc5cc56b286"><div class="ttname"><a href="pk_8h.html#a14ae82039a8ee045bc072bc5cc56b286">pk_init_ctx_rsa_alt</a></div><div class="ttdeci">int pk_init_ctx_rsa_alt(pk_context *ctx, void *key, pk_rsa_alt_decrypt_func decrypt_func, pk_rsa_alt_sign_func sign_func, pk_rsa_alt_key_len_func key_len_func)</div><div class="ttdoc">Initialize an RSA-alt context. </div></div>
<div class="ttc" id="pk_8h_html_af53e57b17f7ca55022d3b639ad0ba722"><div class="ttname"><a href="pk_8h.html#af53e57b17f7ca55022d3b639ad0ba722">POLARSSL_ERR_PK_BAD_INPUT_DATA</a></div><div class="ttdeci">#define POLARSSL_ERR_PK_BAD_INPUT_DATA</div><div class="ttdoc">Bad input parameters to function. </div><div class="ttdef"><b>Definition:</b> <a href="pk_8h_source.html#l00053">pk.h:53</a></div></div>
<div class="ttc" id="pk_8h_html_a3a3c4fb7fad1c9097df161208d81b097"><div class="ttname"><a href="pk_8h.html#a3a3c4fb7fad1c9097df161208d81b097">pk_verify_ext</a></div><div class="ttdeci">int pk_verify_ext(pk_type_t type, const void *options, pk_context *ctx, md_type_t md_alg, const unsigned char *hash, size_t hash_len, const unsigned char *sig, size_t sig_len)</div><div class="ttdoc">Verify signature, with options. </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="structpk__info__t_html_a45eea226acaa04797b795d66364d5e51"><div class="ttname"><a href="structpk__info__t.html#a45eea226acaa04797b795d66364d5e51">pk_info_t::encrypt_func</a></div><div class="ttdeci">int(* encrypt_func)(void *ctx, const unsigned char *input, size_t ilen, unsigned char *output, size_t *olen, size_t osize, int(*f_rng)(void *, unsigned char *, size_t), void *p_rng)</div><div class="ttdoc">Encrypt message. </div><div class="ttdef"><b>Definition:</b> <a href="pk_8h_source.html#l00175">pk.h:175</a></div></div>
<div class="ttc" id="pk_8h_html_a37a8bde8e3ed0443bba504a22e83045c"><div class="ttname"><a href="pk_8h.html#a37a8bde8e3ed0443bba504a22e83045c">POLARSSL_ERR_PK_FEATURE_UNAVAILABLE</a></div><div class="ttdeci">#define POLARSSL_ERR_PK_FEATURE_UNAVAILABLE</div><div class="ttdoc">Unavailable feature, e.g. </div><div class="ttdef"><b>Definition:</b> <a href="pk_8h_source.html#l00063">pk.h:63</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="pk_8h_html_a8927482ee127f20158b61cfba0c44e0a"><div class="ttname"><a href="pk_8h.html#a8927482ee127f20158b61cfba0c44e0a">pk_rsa_alt_sign_func</a></div><div class="ttdeci">int(* pk_rsa_alt_sign_func)(void *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="ttdef"><b>Definition:</b> <a href="pk_8h_source.html#l00206">pk.h:206</a></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="structpk__info__t_html_adcca09fc260afe096b26a4348f6658e6"><div class="ttname"><a href="structpk__info__t.html#adcca09fc260afe096b26a4348f6658e6">pk_info_t::debug_func</a></div><div class="ttdeci">void(* debug_func)(const void *ctx, pk_debug_item *items)</div><div class="ttdoc">Interface with the debug module. </div><div class="ttdef"><b>Definition:</b> <a href="pk_8h_source.html#l00187">pk.h:187</a></div></div>
<div class="ttc" id="structpk__rsassa__pss__options_html_a32d7ce76952782574665e70eb99f7b1c"><div class="ttname"><a href="structpk__rsassa__pss__options.html#a32d7ce76952782574665e70eb99f7b1c">pk_rsassa_pss_options::mgf1_hash_id</a></div><div class="ttdeci">md_type_t mgf1_hash_id</div><div class="ttdef"><b>Definition:</b> <a href="pk_8h_source.html#l00111">pk.h:111</a></div></div>
<div class="ttc" id="pk_8h_html_afca3aa33cb1f34742a7ee3fd8ccec9caa3fabfc2fa7f8ddef3ad6ee2f0cf712e8"><div class="ttname"><a href="pk_8h.html#afca3aa33cb1f34742a7ee3fd8ccec9caa3fabfc2fa7f8ddef3ad6ee2f0cf712e8">POLARSSL_PK_ECKEY_DH</a></div><div class="ttdef"><b>Definition:</b> <a href="pk_8h_source.html#l00099">pk.h:99</a></div></div>
<div class="ttc" id="structpk__info__t_html_a6f6b2c645d74dc73ee3f4f477a93d6d1"><div class="ttname"><a href="structpk__info__t.html#a6f6b2c645d74dc73ee3f4f477a93d6d1">pk_info_t::can_do</a></div><div class="ttdeci">int(* can_do)(pk_type_t type)</div><div class="ttdoc">Tell if the context implements this type (e.g. </div><div class="ttdef"><b>Definition:</b> <a href="pk_8h_source.html#l00154">pk.h:154</a></div></div>
<div class="ttc" id="pk_8h_html_afca3aa33cb1f34742a7ee3fd8ccec9caafcfacdf2203aeb937e4dfe6bb11f6088"><div class="ttname"><a href="pk_8h.html#afca3aa33cb1f34742a7ee3fd8ccec9caafcfacdf2203aeb937e4dfe6bb11f6088">POLARSSL_PK_NONE</a></div><div class="ttdef"><b>Definition:</b> <a href="pk_8h_source.html#l00096">pk.h:96</a></div></div>
<div class="ttc" id="pk__wrap_8h_html"><div class="ttname"><a href="pk__wrap_8h.html">pk_wrap.h</a></div></div>
<div class="ttc" id="structpk__debug__item_html"><div class="ttname"><a href="structpk__debug__item.html">pk_debug_item</a></div><div class="ttdoc">Item to send to the debug module. </div><div class="ttdef"><b>Definition:</b> <a href="pk_8h_source.html#l00129">pk.h:129</a></div></div>
<div class="ttc" id="pk_8h_html_a983cd494460c58663c998d5072fe5bd0"><div class="ttname"><a href="pk_8h.html#a983cd494460c58663c998d5072fe5bd0">pk_verify</a></div><div class="ttdeci">int pk_verify(pk_context *ctx, md_type_t md_alg, const unsigned char *hash, size_t hash_len, const unsigned char *sig, size_t sig_len)</div><div class="ttdoc">Verify signature (including padding if relevant). </div></div>
<div class="ttc" id="structpk__info__t_html"><div class="ttname"><a href="structpk__info__t.html">pk_info_t</a></div><div class="ttdoc">Public key information and operations. </div><div class="ttdef"><b>Definition:</b> <a href="pk_8h_source.html#l00142">pk.h:142</a></div></div>
<div class="ttc" id="pk_8h_html_afd6c7a41fd9fbf5c9b0d7409f0f2bd7a"><div class="ttname"><a href="pk_8h.html#afd6c7a41fd9fbf5c9b0d7409f0f2bd7a">pk_can_do</a></div><div class="ttdeci">int pk_can_do(pk_context *ctx, pk_type_t type)</div><div class="ttdoc">Tell if a context can do the operation given by type. </div></div>
<div class="ttc" id="pk_8h_html_ac615b9e36b084faf6d51dc1f3405e563"><div class="ttname"><a href="pk_8h.html#ac615b9e36b084faf6d51dc1f3405e563">POLARSSL_ERR_PK_MALLOC_FAILED</a></div><div class="ttdeci">#define POLARSSL_ERR_PK_MALLOC_FAILED</div><div class="ttdoc">Memory alloation failed. </div><div class="ttdef"><b>Definition:</b> <a href="pk_8h_source.html#l00051">pk.h:51</a></div></div>
<div class="ttc" id="structpk__info__t_html_a6dcce8287a6da934f57d8f753c5b9358"><div class="ttname"><a href="structpk__info__t.html#a6dcce8287a6da934f57d8f753c5b9358">pk_info_t::get_size</a></div><div class="ttdeci">size_t(* get_size)(const void *)</div><div class="ttdoc">Get key size in bits. </div><div class="ttdef"><b>Definition:</b> <a href="pk_8h_source.html#l00151">pk.h:151</a></div></div>
<div class="ttc" id="structpk__context_html_afa08ace390611a91e83f947ff16e4eae"><div class="ttname"><a href="structpk__context.html#afa08ace390611a91e83f947ff16e4eae">pk_context::pk_ctx</a></div><div class="ttdeci">void * pk_ctx</div><div class="ttdoc">Underlying public key context. </div><div class="ttdef"><b>Definition:</b> <a href="pk_8h_source.html#l00197">pk.h:197</a></div></div>
<div class="ttc" id="pk_8h_html_afca3aa33cb1f34742a7ee3fd8ccec9ca"><div class="ttname"><a href="pk_8h.html#afca3aa33cb1f34742a7ee3fd8ccec9ca">pk_type_t</a></div><div class="ttdeci">pk_type_t</div><div class="ttdoc">Public key types. </div><div class="ttdef"><b>Definition:</b> <a href="pk_8h_source.html#l00095">pk.h:95</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="pk_8h_html_afca3aa33cb1f34742a7ee3fd8ccec9caa0ca1b70e294125c0c431fadccf950b5e"><div class="ttname"><a href="pk_8h.html#afca3aa33cb1f34742a7ee3fd8ccec9caa0ca1b70e294125c0c431fadccf950b5e">POLARSSL_PK_ECKEY</a></div><div class="ttdef"><b>Definition:</b> <a href="pk_8h_source.html#l00098">pk.h:98</a></div></div>
<div class="ttc" id="structrsa__alt__context_html_a8f8bb40db230ce426d7c405f02ff2555"><div class="ttname"><a href="structrsa__alt__context.html#a8f8bb40db230ce426d7c405f02ff2555">rsa_alt_context::sign_func</a></div><div class="ttdeci">pk_rsa_alt_sign_func sign_func</div><div class="ttdef"><b>Definition:</b> <a href="pk__wrap_8h_source.html#l00044">pk_wrap.h:44</a></div></div>
<div class="ttc" id="pk_8h_html_a20121fafbe05f5c4bdaade644ad2a886"><div class="ttname"><a href="pk_8h.html#a20121fafbe05f5c4bdaade644ad2a886">pk_init_ctx</a></div><div class="ttdeci">int pk_init_ctx(pk_context *ctx, const pk_info_t *info)</div><div class="ttdoc">Initialize a PK context with the information given and allocates the type-specific PK subcontext...</div></div>
<div class="ttc" id="pk__wrap_8h_html_a25d1498397728781d65aabdfa77bb415"><div class="ttname"><a href="pk__wrap_8h.html#a25d1498397728781d65aabdfa77bb415">rsa_alt_info</a></div><div class="ttdeci">const pk_info_t rsa_alt_info</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="pk_8h_html_a38f752fba9162d32f36e5d55e2d829e5"><div class="ttname"><a href="pk_8h.html#a38f752fba9162d32f36e5d55e2d829e5">pk_rsa</a></div><div class="ttdeci">#define pk_rsa(pk)</div><div class="ttdoc">Quick access to an RSA context inside a PK context. </div><div class="ttdef"><b>Definition:</b> <a href="pk_8h_source.html#l00074">pk.h:74</a></div></div>
<div class="ttc" id="pk_8h_html_ad9413ee3f4b2f8e8b898af1127410e19"><div class="ttname"><a href="pk_8h.html#ad9413ee3f4b2f8e8b898af1127410e19">pk_rsa_alt_key_len_func</a></div><div class="ttdeci">size_t(* pk_rsa_alt_key_len_func)(void *ctx)</div><div class="ttdef"><b>Definition:</b> <a href="pk_8h_source.html#l00210">pk.h:210</a></div></div>
<div class="ttc" id="pk_8h_html_adfc2587a1c20023c21a1121d3a396d2f"><div class="ttname"><a href="pk_8h.html#adfc2587a1c20023c21a1121d3a396d2f">POLARSSL_ERR_PK_TYPE_MISMATCH</a></div><div class="ttdeci">#define POLARSSL_ERR_PK_TYPE_MISMATCH</div><div class="ttdoc">Type mismatch, eg attempt to encrypt with an ECDSA key. </div><div class="ttdef"><b>Definition:</b> <a href="pk_8h_source.html#l00052">pk.h:52</a></div></div>
<div class="ttc" id="pk_8h_html_a7b5e20233f984cf440379b41b9961911"><div class="ttname"><a href="pk_8h.html#a7b5e20233f984cf440379b41b9961911">pk_free</a></div><div class="ttdeci">void pk_free(pk_context *ctx)</div><div class="ttdoc">Free a pk_context. </div></div>
<div class="ttc" id="pk_8h_html_a7f5f2b84010885d569ddc0d408e60642"><div class="ttname"><a href="pk_8h.html#a7f5f2b84010885d569ddc0d408e60642">pk_sign</a></div><div class="ttdeci">int pk_sign(pk_context *ctx, md_type_t md_alg, const unsigned char *hash, size_t hash_len, unsigned char *sig, size_t *sig_len, int(*f_rng)(void *, unsigned char *, size_t), void *p_rng)</div><div class="ttdoc">Make signature, including padding if relevant. </div></div>
<div class="ttc" id="structpk__info__t_html_ae6651935411283c4869b1bab672b1ce2"><div class="ttname"><a href="structpk__info__t.html#ae6651935411283c4869b1bab672b1ce2">pk_info_t::ctx_alloc_func</a></div><div class="ttdeci">void *(* ctx_alloc_func)(void)</div><div class="ttdoc">Allocate a new context. </div><div class="ttdef"><b>Definition:</b> <a href="pk_8h_source.html#l00181">pk.h:181</a></div></div>
<div class="ttc" id="pk__wrap_8h_html_a4bde6ab66df5e5fba53925f78e6edb03"><div class="ttname"><a href="pk__wrap_8h.html#a4bde6ab66df5e5fba53925f78e6edb03">eckey_info</a></div><div class="ttdeci">const pk_info_t eckey_info</div></div>
<div class="ttc" id="pk__wrap_8h_html_a96ed8abec99d1753fa802bc209525925"><div class="ttname"><a href="pk__wrap_8h.html#a96ed8abec99d1753fa802bc209525925">rsa_info</a></div><div class="ttdeci">const pk_info_t rsa_info</div></div>
<div class="ttc" id="pk__wrap_8h_html_a66e23e75a0c5ab339406257fd3b78008"><div class="ttname"><a href="pk__wrap_8h.html#a66e23e75a0c5ab339406257fd3b78008">ecdsa_info</a></div><div class="ttdeci">const pk_info_t ecdsa_info</div></div>
<div class="ttc" id="pk_8h_html_a41751bd8fdca87d15a129c17e02a2961"><div class="ttname"><a href="pk_8h.html#a41751bd8fdca87d15a129c17e02a2961">pk_rsa_alt_decrypt_func</a></div><div class="ttdeci">int(* pk_rsa_alt_decrypt_func)(void *ctx, int mode, size_t *olen, const unsigned char *input, unsigned char *output, size_t output_max_len)</div><div class="ttdoc">Types for RSA-alt abstraction. </div><div class="ttdef"><b>Definition:</b> <a href="pk_8h_source.html#l00203">pk.h:203</a></div></div>
<div class="ttc" id="pk_8h_html_a1dd92fc68132d533530bcee594c49cf5"><div class="ttname"><a href="pk_8h.html#a1dd92fc68132d533530bcee594c49cf5">pk_encrypt</a></div><div class="ttdeci">int pk_encrypt(pk_context *ctx, const unsigned char *input, size_t ilen, unsigned char *output, size_t *olen, size_t osize, int(*f_rng)(void *, unsigned char *, size_t), void *p_rng)</div><div class="ttdoc">Encrypt message (including padding if relevant). </div></div>
<div class="ttc" id="pk_8h_html_af9dc9fb5c88b9192f27b71688ecedb33"><div class="ttname"><a href="pk_8h.html#af9dc9fb5c88b9192f27b71688ecedb33">pk_init</a></div><div class="ttdeci">void pk_init(pk_context *ctx)</div><div class="ttdoc">Initialize a pk_context (as NONE) </div></div>
<div class="ttc" id="pk_8h_html_afca3aa33cb1f34742a7ee3fd8ccec9caac21caece338fd9c2d1ee4bbdac9017e3"><div class="ttname"><a href="pk_8h.html#afca3aa33cb1f34742a7ee3fd8ccec9caac21caece338fd9c2d1ee4bbdac9017e3">POLARSSL_PK_RSA</a></div><div class="ttdef"><b>Definition:</b> <a href="pk_8h_source.html#l00097">pk.h:97</a></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="structpk__info__t_html_af3e645f1fb64adff93048a8a231c923d"><div class="ttname"><a href="structpk__info__t.html#af3e645f1fb64adff93048a8a231c923d">pk_info_t::name</a></div><div class="ttdeci">const char * name</div><div class="ttdoc">Type name. </div><div class="ttdef"><b>Definition:</b> <a href="pk_8h_source.html#l00148">pk.h:148</a></div></div>
<div class="ttc" id="structrsa__alt__context_html_a717edc21c10abc00c1c30e4ff410f3e3"><div class="ttname"><a href="structrsa__alt__context.html#a717edc21c10abc00c1c30e4ff410f3e3">rsa_alt_context::key_len_func</a></div><div class="ttdeci">pk_rsa_alt_key_len_func key_len_func</div><div class="ttdef"><b>Definition:</b> <a href="pk__wrap_8h_source.html#l00045">pk_wrap.h:45</a></div></div>
<div class="ttc" id="structrsa__alt__context_html_ae074940d74a96efef905adb55331f45b"><div class="ttname"><a href="structrsa__alt__context.html#ae074940d74a96efef905adb55331f45b">rsa_alt_context::key</a></div><div class="ttdeci">void * key</div><div class="ttdef"><b>Definition:</b> <a href="pk__wrap_8h_source.html#l00042">pk_wrap.h:42</a></div></div>
<div class="ttc" id="structpk__info__t_html_a768d03e2e8c1762596f307d9f0c1dc50"><div class="ttname"><a href="structpk__info__t.html#a768d03e2e8c1762596f307d9f0c1dc50">pk_info_t::type</a></div><div class="ttdeci">pk_type_t type</div><div class="ttdoc">Public key type. </div><div class="ttdef"><b>Definition:</b> <a href="pk_8h_source.html#l00145">pk.h:145</a></div></div>
<div class="ttc" id="structrsa__alt__context_html"><div class="ttname"><a href="structrsa__alt__context.html">rsa_alt_context</a></div><div class="ttdef"><b>Definition:</b> <a href="pk__wrap_8h_source.html#l00040">pk_wrap.h:40</a></div></div>
<div class="ttc" id="structpk__info__t_html_aec33fbe6849435a395037dcab1b5222a"><div class="ttname"><a href="structpk__info__t.html#aec33fbe6849435a395037dcab1b5222a">pk_info_t::sign_func</a></div><div class="ttdeci">int(* sign_func)(void *ctx, md_type_t md_alg, const unsigned char *hash, size_t hash_len, unsigned char *sig, size_t *sig_len, int(*f_rng)(void *, unsigned char *, size_t), void *p_rng)</div><div class="ttdoc">Make signature. </div><div class="ttdef"><b>Definition:</b> <a href="pk_8h_source.html#l00162">pk.h:162</a></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="structpk__context_html"><div class="ttname"><a href="structpk__context.html">pk_context</a></div><div class="ttdoc">Public key container. </div><div class="ttdef"><b>Definition:</b> <a href="pk_8h_source.html#l00194">pk.h:194</a></div></div>
<div class="ttc" id="structpk__info__t_html_ae081483e8045e922774606baf2ef1b40"><div class="ttname"><a href="structpk__info__t.html#ae081483e8045e922774606baf2ef1b40">pk_info_t::decrypt_func</a></div><div class="ttdeci">int(* decrypt_func)(void *ctx, const unsigned char *input, size_t ilen, unsigned char *output, size_t *olen, size_t osize, int(*f_rng)(void *, unsigned char *, size_t), void *p_rng)</div><div class="ttdoc">Decrypt message. </div><div class="ttdef"><b>Definition:</b> <a href="pk_8h_source.html#l00169">pk.h:169</a></div></div>
<div class="ttc" id="structpk__info__t_html_af085c214def330a112e2a55f899ce33d"><div class="ttname"><a href="structpk__info__t.html#af085c214def330a112e2a55f899ce33d">pk_info_t::ctx_free_func</a></div><div class="ttdeci">void(* ctx_free_func)(void *ctx)</div><div class="ttdoc">Free the given context. </div><div class="ttdef"><b>Definition:</b> <a href="pk_8h_source.html#l00184">pk.h:184</a></div></div>
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