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<a href="entropy_8h.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> </div><div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment">/*</span></div><div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment"> * Copyright (C) 2006-2016, ARM Limited, All Rights Reserved</span></div><div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment"> * SPDX-License-Identifier: Apache-2.0</span></div><div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment"> *</span></div><div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment"> * Licensed under the Apache License, Version 2.0 (the "License"); you may</span></div><div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment"> * not use this file except in compliance with the License.</span></div><div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment"> * You may obtain a copy of the License at</span></div><div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment"> *</span></div><div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment"> * http://www.apache.org/licenses/LICENSE-2.0</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"> * Unless required by applicable law or agreed to in writing, software</span></div><div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="comment"> * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT</span></div><div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="comment"> * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</span></div><div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="comment"> * See the License for the specific language governing permissions and</span></div><div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="comment"> * limitations under the License.</span></div><div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="comment"> *</span></div><div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="comment"> * This file is part of mbed TLS (https://tls.mbed.org)</span></div><div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="comment"> */</span></div><div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="preprocessor">#ifndef MBEDTLS_ENTROPY_H</span></div><div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="preprocessor">#define MBEDTLS_ENTROPY_H</span></div><div class="line"><a name="l00026"></a><span class="lineno"> 26</span> </div><div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="preprocessor">#if !defined(MBEDTLS_CONFIG_FILE)</span></div><div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="preprocessor">#include "<a class="code" href="config_8h.html">config.h</a>"</span></div><div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="preprocessor">#else</span></div><div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="preprocessor">#include MBEDTLS_CONFIG_FILE</span></div><div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00032"></a><span class="lineno"> 32</span> </div><div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="preprocessor">#include <stddef.h></span></div><div class="line"><a name="l00034"></a><span class="lineno"> 34</span> </div><div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="preprocessor">#if defined(MBEDTLS_SHA512_C) && !defined(MBEDTLS_ENTROPY_FORCE_SHA256)</span></div><div class="line"><a name="l00036"></a><span class="lineno"> 36</span> <span class="preprocessor">#include "<a class="code" href="sha512_8h.html">sha512.h</a>"</span></div><div class="line"><a name="l00037"></a><span class="lineno"><a class="line" href="entropy_8h.html#a77e56d52d29721c24f22a9ec01391ecb"> 37</a></span> <span class="preprocessor">#define MBEDTLS_ENTROPY_SHA512_ACCUMULATOR</span></div><div class="line"><a name="l00038"></a><span class="lineno"> 38</span> <span class="preprocessor">#else</span></div><div class="line"><a name="l00039"></a><span class="lineno"> 39</span> <span class="preprocessor">#if defined(MBEDTLS_SHA256_C)</span></div><div class="line"><a name="l00040"></a><span class="lineno"> 40</span> <span class="preprocessor">#define MBEDTLS_ENTROPY_SHA256_ACCUMULATOR</span></div><div class="line"><a name="l00041"></a><span class="lineno"> 41</span> <span class="preprocessor">#include "<a class="code" href="sha256_8h.html">sha256.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">#endif</span></div><div class="line"><a name="l00044"></a><span class="lineno"> 44</span> </div><div class="line"><a name="l00045"></a><span class="lineno"> 45</span> <span class="preprocessor">#if defined(MBEDTLS_THREADING_C)</span></div><div class="line"><a name="l00046"></a><span class="lineno"> 46</span> <span class="preprocessor">#include "<a class="code" href="threading_8h.html">threading.h</a>"</span></div><div class="line"><a name="l00047"></a><span class="lineno"> 47</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00048"></a><span class="lineno"> 48</span> </div><div class="line"><a name="l00049"></a><span class="lineno"> 49</span> <span class="preprocessor">#if defined(MBEDTLS_HAVEGE_C)</span></div><div class="line"><a name="l00050"></a><span class="lineno"> 50</span> <span class="preprocessor">#include "<a class="code" href="havege_8h.html">havege.h</a>"</span></div><div class="line"><a name="l00051"></a><span class="lineno"> 51</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00052"></a><span class="lineno"> 52</span> </div><div class="line"><a name="l00053"></a><span class="lineno"><a class="line" href="entropy_8h.html#af4cd68e9098b27fed32e7d4a48a4048b"> 53</a></span> <span class="preprocessor">#define MBEDTLS_ERR_ENTROPY_SOURCE_FAILED -0x003C </span></div><div class="line"><a name="l00054"></a><span class="lineno"><a class="line" href="entropy_8h.html#a12a0600bd163efc21469e406a4e194ce"> 54</a></span> <span class="preprocessor">#define MBEDTLS_ERR_ENTROPY_MAX_SOURCES -0x003E </span></div><div class="line"><a name="l00055"></a><span class="lineno"><a class="line" href="entropy_8h.html#ab9f0a333fbef6d5ebe4fda846249f5c6"> 55</a></span> <span class="preprocessor">#define MBEDTLS_ERR_ENTROPY_NO_SOURCES_DEFINED -0x0040 </span></div><div class="line"><a name="l00056"></a><span class="lineno"><a class="line" href="entropy_8h.html#a8116299707c4a7fbf19cac3f30ce1e7a"> 56</a></span> <span class="preprocessor">#define MBEDTLS_ERR_ENTROPY_NO_STRONG_SOURCE -0x003D </span></div><div class="line"><a name="l00057"></a><span class="lineno"><a class="line" href="entropy_8h.html#a356b20cef049a2de3e99909321894463"> 57</a></span> <span class="preprocessor">#define MBEDTLS_ERR_ENTROPY_FILE_IO_ERROR -0x003F </span></div><div class="line"><a name="l00067"></a><span class="lineno"> 67</span> <span class="preprocessor">#if !defined(MBEDTLS_ENTROPY_MAX_SOURCES)</span></div><div class="line"><a name="l00068"></a><span class="lineno"><a class="line" href="entropy_8h.html#a819aa4f3046aa257738f0dafe481ca1f"> 68</a></span> <span class="preprocessor">#define MBEDTLS_ENTROPY_MAX_SOURCES 20 </span></div><div class="line"><a name="l00069"></a><span class="lineno"> 69</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00070"></a><span class="lineno"> 70</span> </div><div class="line"><a name="l00071"></a><span class="lineno"> 71</span> <span class="preprocessor">#if !defined(MBEDTLS_ENTROPY_MAX_GATHER)</span></div><div class="line"><a name="l00072"></a><span class="lineno"><a class="line" href="entropy_8h.html#a21637aa9a738da4fce13931a8442dc28"> 72</a></span> <span class="preprocessor">#define MBEDTLS_ENTROPY_MAX_GATHER 128 </span></div><div class="line"><a name="l00073"></a><span class="lineno"> 73</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00074"></a><span class="lineno"> 74</span> </div><div class="line"><a name="l00075"></a><span class="lineno"> 75</span> <span class="comment">/* \} name SECTION: Module settings */</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="preprocessor">#if defined(MBEDTLS_ENTROPY_SHA512_ACCUMULATOR)</span></div><div class="line"><a name="l00078"></a><span class="lineno"><a class="line" href="entropy_8h.html#acc0fdb8c34a1ae04a81b4b21cb383941"> 78</a></span> <span class="preprocessor">#define MBEDTLS_ENTROPY_BLOCK_SIZE 64 </span></div><div class="line"><a name="l00079"></a><span class="lineno"> 79</span> <span class="preprocessor">#else</span></div><div class="line"><a name="l00080"></a><span class="lineno"> 80</span> <span class="preprocessor">#define MBEDTLS_ENTROPY_BLOCK_SIZE 32 </span></div><div class="line"><a name="l00081"></a><span class="lineno"> 81</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00082"></a><span class="lineno"> 82</span> </div><div class="line"><a name="l00083"></a><span class="lineno"><a class="line" href="entropy_8h.html#afff6ba3d7fc6df1fedd007d3a9a4136b"> 83</a></span> <span class="preprocessor">#define MBEDTLS_ENTROPY_MAX_SEED_SIZE 1024 </span></div><div class="line"><a name="l00084"></a><span class="lineno"><a class="line" href="entropy_8h.html#a841232804d6de404b072c57a374502c8"> 84</a></span> <span class="preprocessor">#define MBEDTLS_ENTROPY_SOURCE_MANUAL MBEDTLS_ENTROPY_MAX_SOURCES</span></div><div class="line"><a name="l00085"></a><span class="lineno"> 85</span> </div><div class="line"><a name="l00086"></a><span class="lineno"><a class="line" href="entropy_8h.html#acf3946666d3aa196a7a4ba7705740580"> 86</a></span> <span class="preprocessor">#define MBEDTLS_ENTROPY_SOURCE_STRONG 1 </span></div><div class="line"><a name="l00087"></a><span class="lineno"><a class="line" href="entropy_8h.html#a3aaeef22d87036afb296bfdb4d7d4c4c"> 87</a></span> <span class="preprocessor">#define MBEDTLS_ENTROPY_SOURCE_WEAK 0 </span></div><div class="line"><a name="l00089"></a><span class="lineno"> 89</span> <span class="preprocessor">#ifdef __cplusplus</span></div><div class="line"><a name="l00090"></a><span class="lineno"> 90</span> <span class="keyword">extern</span> <span class="stringliteral">"C"</span> {</div><div class="line"><a name="l00091"></a><span class="lineno"> 91</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00092"></a><span class="lineno"> 92</span> </div><div class="line"><a name="l00104"></a><span class="lineno"><a class="line" href="entropy_8h.html#a2168f0720e2e869e440fd7fa35c941bd"> 104</a></span> <span class="keyword">typedef</span> int (*<a class="code" href="entropy_8h.html#a2168f0720e2e869e440fd7fa35c941bd">mbedtls_entropy_f_source_ptr</a>)(<span class="keywordtype">void</span> *data, <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *output, <span class="keywordtype">size_t</span> len,</div><div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  <span class="keywordtype">size_t</span> *olen);</div><div class="line"><a name="l00106"></a><span class="lineno"> 106</span> </div><div class="line"><a name="l00110"></a><span class="lineno"><a class="line" href="structmbedtls__entropy__source__state.html"> 110</a></span> <span class="keyword">typedef</span> <span class="keyword">struct</span></div><div class="line"><a name="l00111"></a><span class="lineno"> 111</span> {</div><div class="line"><a name="l00112"></a><span class="lineno"><a class="line" href="structmbedtls__entropy__source__state.html#afa26f990bd3ae555a84bdee710fd5844"> 112</a></span>  <a class="code" href="entropy_8h.html#a2168f0720e2e869e440fd7fa35c941bd">mbedtls_entropy_f_source_ptr</a> <a class="code" href="structmbedtls__entropy__source__state.html#afa26f990bd3ae555a84bdee710fd5844">f_source</a>; </div><div class="line"><a name="l00113"></a><span class="lineno"><a class="line" href="structmbedtls__entropy__source__state.html#ac290f929e3382e26443b6625ab9a0d78"> 113</a></span>  <span class="keywordtype">void</span> * <a class="code" href="structmbedtls__entropy__source__state.html#ac290f929e3382e26443b6625ab9a0d78">p_source</a>; </div><div class="line"><a name="l00114"></a><span class="lineno"><a class="line" href="structmbedtls__entropy__source__state.html#a395d9641c3aa0cddd5b1977c9e2a6aba"> 114</a></span>  <span class="keywordtype">size_t</span> <a class="code" href="structmbedtls__entropy__source__state.html#a395d9641c3aa0cddd5b1977c9e2a6aba">size</a>; </div><div class="line"><a name="l00115"></a><span class="lineno"><a class="line" href="structmbedtls__entropy__source__state.html#ab5ac92f3c7acd5a47ee986fb915e9686"> 115</a></span>  <span class="keywordtype">size_t</span> <a class="code" href="structmbedtls__entropy__source__state.html#ab5ac92f3c7acd5a47ee986fb915e9686">threshold</a>; </div><div class="line"><a name="l00116"></a><span class="lineno"><a class="line" href="structmbedtls__entropy__source__state.html#a13f749f23a93d986357832477335ec83"> 116</a></span>  <span class="keywordtype">int</span> <a class="code" href="structmbedtls__entropy__source__state.html#a13f749f23a93d986357832477335ec83">strong</a>; </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> <a class="code" href="structmbedtls__entropy__source__state.html">mbedtls_entropy_source_state</a>;</div><div class="line"><a name="l00119"></a><span class="lineno"> 119</span> </div><div class="line"><a name="l00123"></a><span class="lineno"><a class="line" href="structmbedtls__entropy__context.html"> 123</a></span> <span class="keyword">typedef</span> <span class="keyword">struct</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"><a class="line" href="structmbedtls__entropy__context.html#a897aaa5dab292ab85359afd075185f17"> 125</a></span>  <span class="keywordtype">int</span> <a class="code" href="structmbedtls__entropy__context.html#a897aaa5dab292ab85359afd075185f17">accumulator_started</a>;</div><div class="line"><a name="l00126"></a><span class="lineno"> 126</span> <span class="preprocessor">#if defined(MBEDTLS_ENTROPY_SHA512_ACCUMULATOR)</span></div><div class="line"><a name="l00127"></a><span class="lineno"><a class="line" href="structmbedtls__entropy__context.html#ae685a3bbe7478a809c511a57e7247422"> 127</a></span>  <a class="code" href="structmbedtls__sha512__context.html">mbedtls_sha512_context</a> <a class="code" href="structmbedtls__entropy__context.html#ae685a3bbe7478a809c511a57e7247422">accumulator</a>;</div><div class="line"><a name="l00128"></a><span class="lineno"> 128</span> <span class="preprocessor">#else</span></div><div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  <a class="code" href="structmbedtls__sha256__context.html">mbedtls_sha256_context</a> accumulator;</div><div class="line"><a name="l00130"></a><span class="lineno"> 130</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00131"></a><span class="lineno"><a class="line" href="structmbedtls__entropy__context.html#ae21caec42d2e42c87762fcbb4079cb1b"> 131</a></span>  <span class="keywordtype">int</span> <a class="code" href="structmbedtls__entropy__context.html#ae21caec42d2e42c87762fcbb4079cb1b">source_count</a>;</div><div class="line"><a name="l00132"></a><span class="lineno"><a class="line" href="structmbedtls__entropy__context.html#a8a95d0e03ef1bc1f198e23e201c064be"> 132</a></span>  <a class="code" href="structmbedtls__entropy__source__state.html">mbedtls_entropy_source_state</a> source[<a class="code" href="entropy_8h.html#a819aa4f3046aa257738f0dafe481ca1f">MBEDTLS_ENTROPY_MAX_SOURCES</a>];</div><div class="line"><a name="l00133"></a><span class="lineno"> 133</span> <span class="preprocessor">#if defined(MBEDTLS_HAVEGE_C)</span></div><div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  <a class="code" href="structmbedtls__havege__state.html">mbedtls_havege_state</a> havege_data;</div><div class="line"><a name="l00135"></a><span class="lineno"> 135</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00136"></a><span class="lineno"> 136</span> <span class="preprocessor">#if defined(MBEDTLS_THREADING_C)</span></div><div class="line"><a name="l00137"></a><span class="lineno"><a class="line" href="structmbedtls__entropy__context.html#a4e8b814cdfa3b1648e93f0c79c4d655f"> 137</a></span>  <a class="code" href="structmbedtls__threading__mutex__t.html">mbedtls_threading_mutex_t</a> <a class="code" href="structmbedtls__entropy__context.html#a4e8b814cdfa3b1648e93f0c79c4d655f">mutex</a>; </div><div class="line"><a name="l00138"></a><span class="lineno"> 138</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00139"></a><span class="lineno"> 139</span> <span class="preprocessor">#if defined(MBEDTLS_ENTROPY_NV_SEED)</span></div><div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  <span class="keywordtype">int</span> initial_entropy_run;</div><div class="line"><a name="l00141"></a><span class="lineno"> 141</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00142"></a><span class="lineno"> 142</span> }</div><div class="line"><a name="l00143"></a><span class="lineno"> 143</span> <a class="code" href="structmbedtls__entropy__context.html">mbedtls_entropy_context</a>;</div><div class="line"><a name="l00144"></a><span class="lineno"> 144</span> </div><div class="line"><a name="l00150"></a><span class="lineno"> 150</span> <span class="keywordtype">void</span> <a class="code" href="entropy_8h.html#aa901e027093c6fe65dee5760db78aced">mbedtls_entropy_init</a>( <a class="code" href="structmbedtls__entropy__context.html">mbedtls_entropy_context</a> *ctx );</div><div class="line"><a name="l00151"></a><span class="lineno"> 151</span> </div><div class="line"><a name="l00157"></a><span class="lineno"> 157</span> <span class="keywordtype">void</span> <a class="code" href="entropy_8h.html#a06778439f8a0e2daa2d3b444e06ad8dd">mbedtls_entropy_free</a>( <a class="code" href="structmbedtls__entropy__context.html">mbedtls_entropy_context</a> *ctx );</div><div class="line"><a name="l00158"></a><span class="lineno"> 158</span> </div><div class="line"><a name="l00176"></a><span class="lineno"> 176</span> <span class="keywordtype">int</span> <a class="code" href="entropy_8h.html#ad1bf424d076142e9aeec9e68207f5aaa">mbedtls_entropy_add_source</a>( <a class="code" href="structmbedtls__entropy__context.html">mbedtls_entropy_context</a> *ctx,</div><div class="line"><a name="l00177"></a><span class="lineno"> 177</span>  <a class="code" href="entropy_8h.html#a2168f0720e2e869e440fd7fa35c941bd">mbedtls_entropy_f_source_ptr</a> f_source, <span class="keywordtype">void</span> *p_source,</div><div class="line"><a name="l00178"></a><span class="lineno"> 178</span>  <span class="keywordtype">size_t</span> threshold, <span class="keywordtype">int</span> strong );</div><div class="line"><a name="l00179"></a><span class="lineno"> 179</span> </div><div class="line"><a name="l00188"></a><span class="lineno"> 188</span> <span class="keywordtype">int</span> <a class="code" href="entropy_8h.html#ac49de4b842e7d56cfcd1088286a09b7d">mbedtls_entropy_gather</a>( <a class="code" href="structmbedtls__entropy__context.html">mbedtls_entropy_context</a> *ctx );</div><div class="line"><a name="l00189"></a><span class="lineno"> 189</span> </div><div class="line"><a name="l00201"></a><span class="lineno"> 201</span> <span class="keywordtype">int</span> <a class="code" href="entropy_8h.html#a81765f6cdf4e5111bcb9f4324f3234cb">mbedtls_entropy_func</a>( <span class="keywordtype">void</span> *data, <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *output, <span class="keywordtype">size_t</span> len );</div><div class="line"><a name="l00202"></a><span class="lineno"> 202</span> </div><div class="line"><a name="l00213"></a><span class="lineno"> 213</span> <span class="keywordtype">int</span> <a class="code" href="entropy_8h.html#aa79492f288cc3202ea455564be855d64">mbedtls_entropy_update_manual</a>( <a class="code" href="structmbedtls__entropy__context.html">mbedtls_entropy_context</a> *ctx,</div><div class="line"><a name="l00214"></a><span class="lineno"> 214</span>  <span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *data, <span class="keywordtype">size_t</span> len );</div><div class="line"><a name="l00215"></a><span class="lineno"> 215</span> </div><div class="line"><a name="l00216"></a><span class="lineno"> 216</span> <span class="preprocessor">#if defined(MBEDTLS_ENTROPY_NV_SEED)</span></div><div class="line"><a name="l00217"></a><span class="lineno"> 217</span> </div><div class="line"><a name="l00225"></a><span class="lineno"> 225</span> <span class="keywordtype">int</span> mbedtls_entropy_update_nv_seed( <a class="code" href="structmbedtls__entropy__context.html">mbedtls_entropy_context</a> *ctx );</div><div class="line"><a name="l00226"></a><span class="lineno"> 226</span> <span class="preprocessor">#endif </span><span class="comment">/* MBEDTLS_ENTROPY_NV_SEED */</span><span class="preprocessor"></span></div><div class="line"><a name="l00227"></a><span class="lineno"> 227</span> </div><div class="line"><a name="l00228"></a><span class="lineno"> 228</span> <span class="preprocessor">#if defined(MBEDTLS_FS_IO)</span></div><div class="line"><a name="l00229"></a><span class="lineno"> 229</span> </div><div class="line"><a name="l00239"></a><span class="lineno"> 239</span> <span class="keywordtype">int</span> <a class="code" href="entropy_8h.html#abffb5c2d08b9cc94788910d463ce3181">mbedtls_entropy_write_seed_file</a>( <a class="code" href="structmbedtls__entropy__context.html">mbedtls_entropy_context</a> *ctx, <span class="keyword">const</span> <span class="keywordtype">char</span> *path );</div><div class="line"><a name="l00240"></a><span class="lineno"> 240</span> </div><div class="line"><a name="l00253"></a><span class="lineno"> 253</span> <span class="keywordtype">int</span> <a class="code" href="entropy_8h.html#a3d72b19c00eb0cabb319d3d81599a57a">mbedtls_entropy_update_seed_file</a>( <a class="code" href="structmbedtls__entropy__context.html">mbedtls_entropy_context</a> *ctx, <span class="keyword">const</span> <span class="keywordtype">char</span> *path );</div><div class="line"><a name="l00254"></a><span class="lineno"> 254</span> <span class="preprocessor">#endif </span><span class="comment">/* MBEDTLS_FS_IO */</span><span class="preprocessor"></span></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="preprocessor">#if defined(MBEDTLS_SELF_TEST)</span></div><div class="line"><a name="l00257"></a><span class="lineno"> 257</span> </div><div class="line"><a name="l00265"></a><span class="lineno"> 265</span> <span class="keywordtype">int</span> <a class="code" href="entropy_8h.html#ad31b29e855ba719ba5282e2da4f5c338">mbedtls_entropy_self_test</a>( <span class="keywordtype">int</span> verbose );</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="preprocessor">#if defined(MBEDTLS_ENTROPY_HARDWARE_ALT)</span></div><div class="line"><a name="l00268"></a><span class="lineno"> 268</span> </div><div class="line"><a name="l00281"></a><span class="lineno"> 281</span> <span class="keywordtype">int</span> mbedtls_entropy_source_self_test( <span class="keywordtype">int</span> verbose );</div><div class="line"><a name="l00282"></a><span class="lineno"> 282</span> <span class="preprocessor">#endif </span><span class="comment">/* MBEDTLS_ENTROPY_HARDWARE_ALT */</span><span class="preprocessor"></span></div><div class="line"><a name="l00283"></a><span class="lineno"> 283</span> <span class="preprocessor">#endif </span><span class="comment">/* MBEDTLS_SELF_TEST */</span><span class="preprocessor"></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="preprocessor">#ifdef __cplusplus</span></div><div class="line"><a name="l00286"></a><span class="lineno"> 286</span> }</div><div class="line"><a name="l00287"></a><span class="lineno"> 287</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00288"></a><span class="lineno"> 288</span> </div><div class="line"><a name="l00289"></a><span class="lineno"> 289</span> <span class="preprocessor">#endif </span><span class="comment">/* entropy.h */</span><span class="preprocessor"></span></div><div class="ttc" id="structmbedtls__entropy__source__state_html_ac290f929e3382e26443b6625ab9a0d78"><div class="ttname"><a href="structmbedtls__entropy__source__state.html#ac290f929e3382e26443b6625ab9a0d78">mbedtls_entropy_source_state::p_source</a></div><div class="ttdeci">void * p_source</div><div class="ttdef"><b>Definition:</b> <a href="entropy_8h_source.html#l00113">entropy.h:113</a></div></div>
<div class="ttc" id="structmbedtls__entropy__source__state_html_ab5ac92f3c7acd5a47ee986fb915e9686"><div class="ttname"><a href="structmbedtls__entropy__source__state.html#ab5ac92f3c7acd5a47ee986fb915e9686">mbedtls_entropy_source_state::threshold</a></div><div class="ttdeci">size_t threshold</div><div class="ttdef"><b>Definition:</b> <a href="entropy_8h_source.html#l00115">entropy.h:115</a></div></div>
<div class="ttc" id="structmbedtls__entropy__context_html_ae21caec42d2e42c87762fcbb4079cb1b"><div class="ttname"><a href="structmbedtls__entropy__context.html#ae21caec42d2e42c87762fcbb4079cb1b">mbedtls_entropy_context::source_count</a></div><div class="ttdeci">int source_count</div><div class="ttdef"><b>Definition:</b> <a href="entropy_8h_source.html#l00131">entropy.h:131</a></div></div>
<div class="ttc" id="structmbedtls__havege__state_html"><div class="ttname"><a href="structmbedtls__havege__state.html">mbedtls_havege_state</a></div><div class="ttdoc">HAVEGE state structure. </div><div class="ttdef"><b>Definition:</b> <a href="havege_8h_source.html#l00038">havege.h:38</a></div></div>
<div class="ttc" id="structmbedtls__entropy__source__state_html_afa26f990bd3ae555a84bdee710fd5844"><div class="ttname"><a href="structmbedtls__entropy__source__state.html#afa26f990bd3ae555a84bdee710fd5844">mbedtls_entropy_source_state::f_source</a></div><div class="ttdeci">mbedtls_entropy_f_source_ptr f_source</div><div class="ttdef"><b>Definition:</b> <a href="entropy_8h_source.html#l00112">entropy.h:112</a></div></div>
<div class="ttc" id="entropy_8h_html_a819aa4f3046aa257738f0dafe481ca1f"><div class="ttname"><a href="entropy_8h.html#a819aa4f3046aa257738f0dafe481ca1f">MBEDTLS_ENTROPY_MAX_SOURCES</a></div><div class="ttdeci">#define MBEDTLS_ENTROPY_MAX_SOURCES</div><div class="ttdef"><b>Definition:</b> <a href="entropy_8h_source.html#l00068">entropy.h:68</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="structmbedtls__entropy__context_html_a4e8b814cdfa3b1648e93f0c79c4d655f"><div class="ttname"><a href="structmbedtls__entropy__context.html#a4e8b814cdfa3b1648e93f0c79c4d655f">mbedtls_entropy_context::mutex</a></div><div class="ttdeci">mbedtls_threading_mutex_t mutex</div><div class="ttdef"><b>Definition:</b> <a href="entropy_8h_source.html#l00137">entropy.h:137</a></div></div>
<div class="ttc" id="entropy_8h_html_aa901e027093c6fe65dee5760db78aced"><div class="ttname"><a href="entropy_8h.html#aa901e027093c6fe65dee5760db78aced">mbedtls_entropy_init</a></div><div class="ttdeci">void mbedtls_entropy_init(mbedtls_entropy_context *ctx)</div><div class="ttdoc">Initialize the context. </div></div>
<div class="ttc" id="structmbedtls__entropy__source__state_html_a395d9641c3aa0cddd5b1977c9e2a6aba"><div class="ttname"><a href="structmbedtls__entropy__source__state.html#a395d9641c3aa0cddd5b1977c9e2a6aba">mbedtls_entropy_source_state::size</a></div><div class="ttdeci">size_t size</div><div class="ttdef"><b>Definition:</b> <a href="entropy_8h_source.html#l00114">entropy.h:114</a></div></div>
<div class="ttc" id="structmbedtls__entropy__context_html"><div class="ttname"><a href="structmbedtls__entropy__context.html">mbedtls_entropy_context</a></div><div class="ttdoc">Entropy context structure. </div><div class="ttdef"><b>Definition:</b> <a href="entropy_8h_source.html#l00123">entropy.h:123</a></div></div>
<div class="ttc" id="entropy_8h_html_ad31b29e855ba719ba5282e2da4f5c338"><div class="ttname"><a href="entropy_8h.html#ad31b29e855ba719ba5282e2da4f5c338">mbedtls_entropy_self_test</a></div><div class="ttdeci">int mbedtls_entropy_self_test(int verbose)</div><div class="ttdoc">Checkup routine. </div></div>
<div class="ttc" id="structmbedtls__entropy__context_html_ae685a3bbe7478a809c511a57e7247422"><div class="ttname"><a href="structmbedtls__entropy__context.html#ae685a3bbe7478a809c511a57e7247422">mbedtls_entropy_context::accumulator</a></div><div class="ttdeci">mbedtls_sha512_context accumulator</div><div class="ttdef"><b>Definition:</b> <a href="entropy_8h_source.html#l00127">entropy.h:127</a></div></div>
<div class="ttc" id="entropy_8h_html_a81765f6cdf4e5111bcb9f4324f3234cb"><div class="ttname"><a href="entropy_8h.html#a81765f6cdf4e5111bcb9f4324f3234cb">mbedtls_entropy_func</a></div><div class="ttdeci">int mbedtls_entropy_func(void *data, unsigned char *output, size_t len)</div><div class="ttdoc">Retrieve entropy from the accumulator (Maximum length: MBEDTLS_ENTROPY_BLOCK_SIZE) (Thread-safe if MB...</div></div>
<div class="ttc" id="threading_8h_html"><div class="ttname"><a href="threading_8h.html">threading.h</a></div><div class="ttdoc">Threading abstraction layer. </div></div>
<div class="ttc" id="structmbedtls__sha512__context_html"><div class="ttname"><a href="structmbedtls__sha512__context.html">mbedtls_sha512_context</a></div><div class="ttdoc">The SHA-512 context structure. </div><div class="ttdef"><b>Definition:</b> <a href="sha512_8h_source.html#l00053">sha512.h:53</a></div></div>
<div class="ttc" id="structmbedtls__threading__mutex__t_html"><div class="ttname"><a href="structmbedtls__threading__mutex__t.html">mbedtls_threading_mutex_t</a></div><div class="ttdef"><b>Definition:</b> <a href="threading_8h_source.html#l00045">threading.h:45</a></div></div>
<div class="ttc" id="havege_8h_html"><div class="ttname"><a href="havege_8h.html">havege.h</a></div><div class="ttdoc">HAVEGE: HArdware Volatile Entropy Gathering and Expansion. </div></div>
<div class="ttc" id="structmbedtls__sha256__context_html"><div class="ttname"><a href="structmbedtls__sha256__context.html">mbedtls_sha256_context</a></div><div class="ttdoc">The SHA-256 context structure. </div><div class="ttdef"><b>Definition:</b> <a href="sha256_8h_source.html#l00053">sha256.h:53</a></div></div>
<div class="ttc" id="entropy_8h_html_a06778439f8a0e2daa2d3b444e06ad8dd"><div class="ttname"><a href="entropy_8h.html#a06778439f8a0e2daa2d3b444e06ad8dd">mbedtls_entropy_free</a></div><div class="ttdeci">void mbedtls_entropy_free(mbedtls_entropy_context *ctx)</div><div class="ttdoc">Free the data in the context. </div></div>
<div class="ttc" id="entropy_8h_html_aa79492f288cc3202ea455564be855d64"><div class="ttname"><a href="entropy_8h.html#aa79492f288cc3202ea455564be855d64">mbedtls_entropy_update_manual</a></div><div class="ttdeci">int mbedtls_entropy_update_manual(mbedtls_entropy_context *ctx, const unsigned char *data, size_t len)</div><div class="ttdoc">Add data to the accumulator manually (Thread-safe if MBEDTLS_THREADING_C is enabled) ...</div></div>
<div class="ttc" id="entropy_8h_html_abffb5c2d08b9cc94788910d463ce3181"><div class="ttname"><a href="entropy_8h.html#abffb5c2d08b9cc94788910d463ce3181">mbedtls_entropy_write_seed_file</a></div><div class="ttdeci">int mbedtls_entropy_write_seed_file(mbedtls_entropy_context *ctx, const char *path)</div><div class="ttdoc">Write a seed file. </div></div>
<div class="ttc" id="sha512_8h_html"><div class="ttname"><a href="sha512_8h.html">sha512.h</a></div><div class="ttdoc">The SHA-384 and SHA-512 cryptographic hash function. </div></div>
<div class="ttc" id="entropy_8h_html_ac49de4b842e7d56cfcd1088286a09b7d"><div class="ttname"><a href="entropy_8h.html#ac49de4b842e7d56cfcd1088286a09b7d">mbedtls_entropy_gather</a></div><div class="ttdeci">int mbedtls_entropy_gather(mbedtls_entropy_context *ctx)</div><div class="ttdoc">Trigger an extra gather poll for the accumulator (Thread-safe if MBEDTLS_THREADING_C is enabled) ...</div></div>
<div class="ttc" id="entropy_8h_html_a3d72b19c00eb0cabb319d3d81599a57a"><div class="ttname"><a href="entropy_8h.html#a3d72b19c00eb0cabb319d3d81599a57a">mbedtls_entropy_update_seed_file</a></div><div class="ttdeci">int mbedtls_entropy_update_seed_file(mbedtls_entropy_context *ctx, const char *path)</div><div class="ttdoc">Read and update a seed file. Seed is added to this instance. No more than MBEDTLS_ENTROPY_MAX_SEED_SI...</div></div>
<div class="ttc" id="entropy_8h_html_a2168f0720e2e869e440fd7fa35c941bd"><div class="ttname"><a href="entropy_8h.html#a2168f0720e2e869e440fd7fa35c941bd">mbedtls_entropy_f_source_ptr</a></div><div class="ttdeci">int(* mbedtls_entropy_f_source_ptr)(void *data, unsigned char *output, size_t len, size_t *olen)</div><div class="ttdoc">Entropy poll callback pointer. </div><div class="ttdef"><b>Definition:</b> <a href="entropy_8h_source.html#l00104">entropy.h:104</a></div></div>
<div class="ttc" id="structmbedtls__entropy__source__state_html_a13f749f23a93d986357832477335ec83"><div class="ttname"><a href="structmbedtls__entropy__source__state.html#a13f749f23a93d986357832477335ec83">mbedtls_entropy_source_state::strong</a></div><div class="ttdeci">int strong</div><div class="ttdef"><b>Definition:</b> <a href="entropy_8h_source.html#l00116">entropy.h:116</a></div></div>
<div class="ttc" id="sha256_8h_html"><div class="ttname"><a href="sha256_8h.html">sha256.h</a></div><div class="ttdoc">The SHA-224 and SHA-256 cryptographic hash function. </div></div>
<div class="ttc" id="structmbedtls__entropy__source__state_html"><div class="ttname"><a href="structmbedtls__entropy__source__state.html">mbedtls_entropy_source_state</a></div><div class="ttdoc">Entropy source state. </div><div class="ttdef"><b>Definition:</b> <a href="entropy_8h_source.html#l00110">entropy.h:110</a></div></div>
<div class="ttc" id="entropy_8h_html_ad1bf424d076142e9aeec9e68207f5aaa"><div class="ttname"><a href="entropy_8h.html#ad1bf424d076142e9aeec9e68207f5aaa">mbedtls_entropy_add_source</a></div><div class="ttdeci">int mbedtls_entropy_add_source(mbedtls_entropy_context *ctx, mbedtls_entropy_f_source_ptr f_source, void *p_source, size_t threshold, int strong)</div><div class="ttdoc">Adds an entropy source to poll (Thread-safe if MBEDTLS_THREADING_C is enabled) </div></div>
<div class="ttc" id="structmbedtls__entropy__context_html_a897aaa5dab292ab85359afd075185f17"><div class="ttname"><a href="structmbedtls__entropy__context.html#a897aaa5dab292ab85359afd075185f17">mbedtls_entropy_context::accumulator_started</a></div><div class="ttdeci">int accumulator_started</div><div class="ttdef"><b>Definition:</b> <a href="entropy_8h_source.html#l00125">entropy.h:125</a></div></div>
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