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<div class="title">entropy.h</div> </div>
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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="l00027"></a><span class="lineno"> 27</span> <span class="preprocessor">#ifndef POLARSSL_ENTROPY_H</span></div>
<div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="preprocessor"></span><span class="preprocessor">#define POLARSSL_ENTROPY_H</span></div>
<div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="preprocessor">#include <string.h></span></div>
<div class="line"><a name="l00031"></a><span class="lineno"> 31</span> </div>
<div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="preprocessor">#if !defined(POLARSSL_CONFIG_FILE)</span></div>
<div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="preprocessor"></span><span class="preprocessor">#include "<a class="code" href="config_8h.html">config.h</a>"</span></div>
<div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <span class="preprocessor">#else</span></div>
<div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="preprocessor"></span><span class="preprocessor">#include POLARSSL_CONFIG_FILE</span></div>
<div class="line"><a name="l00036"></a><span class="lineno"> 36</span> <span class="preprocessor"></span><span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00037"></a><span class="lineno"> 37</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00038"></a><span class="lineno"> 38</span> <span class="preprocessor">#if defined(POLARSSL_SHA512_C) && !defined(POLARSSL_ENTROPY_FORCE_SHA256)</span></div>
<div class="line"><a name="l00039"></a><span class="lineno"> 39</span> <span class="preprocessor"></span><span class="preprocessor">#include "<a class="code" href="sha512_8h.html">sha512.h</a>"</span></div>
<div class="line"><a name="l00040"></a><span class="lineno"><a class="line" href="entropy_8h.html#a9d15b029b1caee03c5c2b77b81c1147f"> 40</a></span> <span class="preprocessor">#define POLARSSL_ENTROPY_SHA512_ACCUMULATOR</span></div>
<div class="line"><a name="l00041"></a><span class="lineno"> 41</span> <span class="preprocessor"></span><span class="preprocessor">#else</span></div>
<div class="line"><a name="l00042"></a><span class="lineno"> 42</span> <span class="preprocessor"></span><span class="preprocessor">#if defined(POLARSSL_SHA256_C)</span></div>
<div class="line"><a name="l00043"></a><span class="lineno"> 43</span> <span class="preprocessor"></span><span class="preprocessor">#define POLARSSL_ENTROPY_SHA256_ACCUMULATOR</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="sha256_8h.html">sha256.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><span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00047"></a><span class="lineno"> 47</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00048"></a><span class="lineno"> 48</span> <span class="preprocessor">#if defined(POLARSSL_THREADING_C)</span></div>
<div class="line"><a name="l00049"></a><span class="lineno"> 49</span> <span class="preprocessor"></span><span class="preprocessor">#include "<a class="code" href="threading_8h.html">threading.h</a>"</span></div>
<div class="line"><a name="l00050"></a><span class="lineno"> 50</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00051"></a><span class="lineno"> 51</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00052"></a><span class="lineno"> 52</span> <span class="preprocessor">#if defined(POLARSSL_HAVEGE_C)</span></div>
<div class="line"><a name="l00053"></a><span class="lineno"> 53</span> <span class="preprocessor"></span><span class="preprocessor">#include "<a class="code" href="havege_8h.html">havege.h</a>"</span></div>
<div class="line"><a name="l00054"></a><span class="lineno"> 54</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00055"></a><span class="lineno"> 55</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00056"></a><span class="lineno"><a class="line" href="entropy_8h.html#ab9ff2b3b04c80aa19556ed9676bf35e2"> 56</a></span> <span class="preprocessor">#define POLARSSL_ERR_ENTROPY_SOURCE_FAILED -0x003C </span></div>
<div class="line"><a name="l00057"></a><span class="lineno"><a class="line" href="entropy_8h.html#a91eeab75dbfc3730efdc415f57e9f4ac"> 57</a></span> <span class="preprocessor">#define POLARSSL_ERR_ENTROPY_MAX_SOURCES -0x003E </span></div>
<div class="line"><a name="l00058"></a><span class="lineno"><a class="line" href="entropy_8h.html#a0b3765116f6d9d1cbdd5d2c4faee5d33"> 58</a></span> <span class="preprocessor">#define POLARSSL_ERR_ENTROPY_NO_SOURCES_DEFINED -0x0040 </span></div>
<div class="line"><a name="l00059"></a><span class="lineno"><a class="line" href="entropy_8h.html#a348fa499b6e890de696df6b23d9cce39"> 59</a></span> <span class="preprocessor">#define POLARSSL_ERR_ENTROPY_FILE_IO_ERROR -0x0058 </span></div>
<div class="line"><a name="l00069"></a><span class="lineno"> 69</span> <span class="preprocessor">#if !defined(ENTROPY_MAX_SOURCES)</span></div>
<div class="line"><a name="l00070"></a><span class="lineno"><a class="line" href="entropy_8h.html#a5e9ba2c083acc78efc758deca62d162d"> 70</a></span> <span class="preprocessor"></span><span class="preprocessor">#define ENTROPY_MAX_SOURCES 20 </span></div>
<div class="line"><a name="l00071"></a><span class="lineno"> 71</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00072"></a><span class="lineno"> 72</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00073"></a><span class="lineno"> 73</span> <span class="preprocessor">#if !defined(ENTROPY_MAX_GATHER)</span></div>
<div class="line"><a name="l00074"></a><span class="lineno"><a class="line" href="entropy_8h.html#acc7f201066c056a514433c5a6224b720"> 74</a></span> <span class="preprocessor"></span><span class="preprocessor">#define ENTROPY_MAX_GATHER 128 </span></div>
<div class="line"><a name="l00075"></a><span class="lineno"> 75</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00076"></a><span class="lineno"> 76</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00077"></a><span class="lineno"> 77</span> <span class="comment">/* \} name SECTION: Module settings */</span></div>
<div class="line"><a name="l00078"></a><span class="lineno"> 78</span> </div>
<div class="line"><a name="l00079"></a><span class="lineno"> 79</span> <span class="preprocessor">#if defined(POLARSSL_ENTROPY_SHA512_ACCUMULATOR)</span></div>
<div class="line"><a name="l00080"></a><span class="lineno"><a class="line" href="entropy_8h.html#a4610ce6582323b8906b9e05ae6253dfb"> 80</a></span> <span class="preprocessor"></span><span class="preprocessor">#define ENTROPY_BLOCK_SIZE 64 </span></div>
<div class="line"><a name="l00081"></a><span class="lineno"> 81</span> <span class="preprocessor">#else</span></div>
<div class="line"><a name="l00082"></a><span class="lineno"> 82</span> <span class="preprocessor"></span><span class="preprocessor">#define ENTROPY_BLOCK_SIZE 32 </span></div>
<div class="line"><a name="l00083"></a><span class="lineno"> 83</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00084"></a><span class="lineno"> 84</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00085"></a><span class="lineno"><a class="line" href="entropy_8h.html#a23cd05df3838590ba3b1688290c9c1fa"> 85</a></span> <span class="preprocessor">#define ENTROPY_MAX_SEED_SIZE 1024 </span></div>
<div class="line"><a name="l00086"></a><span class="lineno"><a class="line" href="entropy_8h.html#a8c3a8b8e81c2b4e3c03d3704029bca39"> 86</a></span> <span class="preprocessor">#define ENTROPY_SOURCE_MANUAL ENTROPY_MAX_SOURCES</span></div>
<div class="line"><a name="l00087"></a><span class="lineno"> 87</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00088"></a><span class="lineno"> 88</span> <span class="preprocessor">#ifdef __cplusplus</span></div>
<div class="line"><a name="l00089"></a><span class="lineno"> 89</span> <span class="preprocessor"></span><span class="keyword">extern</span> <span class="stringliteral">"C"</span> {</div>
<div class="line"><a name="l00090"></a><span class="lineno"> 90</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00091"></a><span class="lineno"> 91</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00103"></a><span class="lineno"><a class="line" href="entropy_8h.html#a4267ff128fbe2ca4da2584359821d09d"> 103</a></span> <span class="keyword">typedef</span> int (*<a class="code" href="entropy_8h.html#a4267ff128fbe2ca4da2584359821d09d">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="l00104"></a><span class="lineno"> 104</span>  <span class="keywordtype">size_t</span> *olen);</div>
<div class="line"><a name="l00105"></a><span class="lineno"> 105</span> </div>
<div class="line"><a name="l00109"></a><span class="lineno"><a class="line" href="structsource__state.html"> 109</a></span> <span class="keyword">typedef</span> <span class="keyword">struct</span></div>
<div class="line"><a name="l00110"></a><span class="lineno"> 110</span> {</div>
<div class="line"><a name="l00111"></a><span class="lineno"><a class="line" href="structsource__state.html#a1ce2b87d8ba2a9df5e75705eeee155a2"> 111</a></span>  <a class="code" href="entropy_8h.html#a4267ff128fbe2ca4da2584359821d09d">f_source_ptr</a> <a class="code" href="structsource__state.html#a1ce2b87d8ba2a9df5e75705eeee155a2">f_source</a>; </div>
<div class="line"><a name="l00112"></a><span class="lineno"><a class="line" href="structsource__state.html#a2dbfe60df6a2808b1347990651287758"> 112</a></span>  <span class="keywordtype">void</span> * <a class="code" href="structsource__state.html#a2dbfe60df6a2808b1347990651287758">p_source</a>; </div>
<div class="line"><a name="l00113"></a><span class="lineno"><a class="line" href="structsource__state.html#a645e64c552b6515b0c65685321189d24"> 113</a></span>  <span class="keywordtype">size_t</span> <a class="code" href="structsource__state.html#a645e64c552b6515b0c65685321189d24">size</a>; </div>
<div class="line"><a name="l00114"></a><span class="lineno"><a class="line" href="structsource__state.html#a58050b25725620cafe76c9c1d2b0ecf1"> 114</a></span>  <span class="keywordtype">size_t</span> <a class="code" href="structsource__state.html#a58050b25725620cafe76c9c1d2b0ecf1">threshold</a>; </div>
<div class="line"><a name="l00115"></a><span class="lineno"> 115</span> }</div>
<div class="line"><a name="l00116"></a><span class="lineno"> 116</span> <a class="code" href="structsource__state.html">source_state</a>;</div>
<div class="line"><a name="l00117"></a><span class="lineno"> 117</span> </div>
<div class="line"><a name="l00121"></a><span class="lineno"><a class="line" href="structentropy__context.html"> 121</a></span> <span class="keyword">typedef</span> <span class="keyword">struct</span></div>
<div class="line"><a name="l00122"></a><span class="lineno"> 122</span> {</div>
<div class="line"><a name="l00123"></a><span class="lineno"> 123</span> <span class="preprocessor">#if defined(POLARSSL_ENTROPY_SHA512_ACCUMULATOR)</span></div>
<div class="line"><a name="l00124"></a><span class="lineno"><a class="line" href="structentropy__context.html#aefbbd08781221ef60ca9c901398e008f"> 124</a></span> <span class="preprocessor"></span> <a class="code" href="structsha512__context.html">sha512_context</a> <a class="code" href="structentropy__context.html#aefbbd08781221ef60ca9c901398e008f">accumulator</a>;</div>
<div class="line"><a name="l00125"></a><span class="lineno"> 125</span> <span class="preprocessor">#else</span></div>
<div class="line"><a name="l00126"></a><span class="lineno"> 126</span> <span class="preprocessor"></span> <a class="code" href="structsha256__context.html">sha256_context</a> accumulator;</div>
<div class="line"><a name="l00127"></a><span class="lineno"> 127</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00128"></a><span class="lineno"><a class="line" href="structentropy__context.html#a7af60cf36a02db4971577d1da52040bb"> 128</a></span> <span class="preprocessor"></span> <span class="keywordtype">int</span> <a class="code" href="structentropy__context.html#a7af60cf36a02db4971577d1da52040bb">source_count</a>;</div>
<div class="line"><a name="l00129"></a><span class="lineno"><a class="line" href="structentropy__context.html#a386078ac574665c242900d1215dc900b"> 129</a></span>  <a class="code" href="structsource__state.html">source_state</a> source[<a class="code" href="entropy_8h.html#a5e9ba2c083acc78efc758deca62d162d">ENTROPY_MAX_SOURCES</a>];</div>
<div class="line"><a name="l00130"></a><span class="lineno"> 130</span> <span class="preprocessor">#if defined(POLARSSL_HAVEGE_C)</span></div>
<div class="line"><a name="l00131"></a><span class="lineno"> 131</span> <span class="preprocessor"></span> <a class="code" href="structhavege__state.html">havege_state</a> havege_data;</div>
<div class="line"><a name="l00132"></a><span class="lineno"> 132</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00133"></a><span class="lineno"> 133</span> <span class="preprocessor"></span><span class="preprocessor">#if defined(POLARSSL_THREADING_C)</span></div>
<div class="line"><a name="l00134"></a><span class="lineno"> 134</span> <span class="preprocessor"></span> threading_mutex_t mutex; </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"></span>}</div>
<div class="line"><a name="l00137"></a><span class="lineno"> 137</span> <a class="code" href="structentropy__context.html">entropy_context</a>;</div>
<div class="line"><a name="l00138"></a><span class="lineno"> 138</span> </div>
<div class="line"><a name="l00144"></a><span class="lineno"> 144</span> <span class="keywordtype">void</span> <a class="code" href="entropy_8h.html#a07cc14e42768b04bbcc48a632ad8c442">entropy_init</a>( <a class="code" href="structentropy__context.html">entropy_context</a> *ctx );</div>
<div class="line"><a name="l00145"></a><span class="lineno"> 145</span> </div>
<div class="line"><a name="l00151"></a><span class="lineno"> 151</span> <span class="keywordtype">void</span> <a class="code" href="entropy_8h.html#ace26c056043473a7f12be97117262fd4">entropy_free</a>( <a class="code" href="structentropy__context.html">entropy_context</a> *ctx );</div>
<div class="line"><a name="l00152"></a><span class="lineno"> 152</span> </div>
<div class="line"><a name="l00165"></a><span class="lineno"> 165</span> <span class="keywordtype">int</span> <a class="code" href="entropy_8h.html#a5a9c269e560537d59a4730faaa835fd5">entropy_add_source</a>( <a class="code" href="structentropy__context.html">entropy_context</a> *ctx,</div>
<div class="line"><a name="l00166"></a><span class="lineno"> 166</span>  <a class="code" href="entropy_8h.html#a4267ff128fbe2ca4da2584359821d09d">f_source_ptr</a> f_source, <span class="keywordtype">void</span> *p_source,</div>
<div class="line"><a name="l00167"></a><span class="lineno"> 167</span>  <span class="keywordtype">size_t</span> threshold );</div>
<div class="line"><a name="l00168"></a><span class="lineno"> 168</span> </div>
<div class="line"><a name="l00177"></a><span class="lineno"> 177</span> <span class="keywordtype">int</span> <a class="code" href="entropy_8h.html#abe16e67991416febc3144c0c8888e792">entropy_gather</a>( <a class="code" href="structentropy__context.html">entropy_context</a> *ctx );</div>
<div class="line"><a name="l00178"></a><span class="lineno"> 178</span> </div>
<div class="line"><a name="l00190"></a><span class="lineno"> 190</span> <span class="keywordtype">int</span> <a class="code" href="entropy_8h.html#a2b7d7123b31b42902364989975740fe2">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="l00191"></a><span class="lineno"> 191</span> </div>
<div class="line"><a name="l00202"></a><span class="lineno"> 202</span> <span class="keywordtype">int</span> <a class="code" href="entropy_8h.html#a474ff02ff7707ebffd00672d8e46ddf3">entropy_update_manual</a>( <a class="code" href="structentropy__context.html">entropy_context</a> *ctx,</div>
<div class="line"><a name="l00203"></a><span class="lineno"> 203</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="l00204"></a><span class="lineno"> 204</span> </div>
<div class="line"><a name="l00205"></a><span class="lineno"> 205</span> <span class="preprocessor">#if defined(POLARSSL_FS_IO)</span></div>
<div class="line"><a name="l00206"></a><span class="lineno"> 206</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00216"></a><span class="lineno"> 216</span> <span class="keywordtype">int</span> <a class="code" href="entropy_8h.html#aeec06418558ccfd52a9967ad54f197c4">entropy_write_seed_file</a>( <a class="code" href="structentropy__context.html">entropy_context</a> *ctx, <span class="keyword">const</span> <span class="keywordtype">char</span> *path );</div>
<div class="line"><a name="l00217"></a><span class="lineno"> 217</span> </div>
<div class="line"><a name="l00230"></a><span class="lineno"> 230</span> <span class="keywordtype">int</span> <a class="code" href="entropy_8h.html#a5d16f198ece9ccdfe5f80780bf5cee33">entropy_update_seed_file</a>( <a class="code" href="structentropy__context.html">entropy_context</a> *ctx, <span class="keyword">const</span> <span class="keywordtype">char</span> *path );</div>
<div class="line"><a name="l00231"></a><span class="lineno"> 231</span> <span class="preprocessor">#endif </span><span class="comment">/* POLARSSL_FS_IO */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00232"></a><span class="lineno"> 232</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00233"></a><span class="lineno"> 233</span> <span class="preprocessor">#if defined(POLARSSL_SELF_TEST)</span></div>
<div class="line"><a name="l00234"></a><span class="lineno"> 234</span> <span class="preprocessor"></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#aee40647ce61215ca2765e9ab3c84a47c">entropy_self_test</a>( <span class="keywordtype">int</span> verbose );</div>
<div class="line"><a name="l00240"></a><span class="lineno"> 240</span> <span class="preprocessor">#endif </span><span class="comment">/* POLARSSL_SELF_TEST */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00241"></a><span class="lineno"> 241</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00242"></a><span class="lineno"> 242</span> <span class="preprocessor">#ifdef __cplusplus</span></div>
<div class="line"><a name="l00243"></a><span class="lineno"> 243</span> <span class="preprocessor"></span>}</div>
<div class="line"><a name="l00244"></a><span class="lineno"> 244</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00245"></a><span class="lineno"> 245</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00246"></a><span class="lineno"> 246</span> <span class="preprocessor">#endif </span><span class="comment">/* entropy.h */</span><span class="preprocessor"></span></div>
<div class="ttc" id="entropy_8h_html_a5a9c269e560537d59a4730faaa835fd5"><div class="ttname"><a href="entropy_8h.html#a5a9c269e560537d59a4730faaa835fd5">entropy_add_source</a></div><div class="ttdeci">int entropy_add_source(entropy_context *ctx, f_source_ptr f_source, void *p_source, size_t threshold)</div><div class="ttdoc">Adds an entropy source to poll (Thread-safe if POLARSSL_THREADING_C is enabled) </div></div>
<div class="ttc" id="entropy_8h_html_a474ff02ff7707ebffd00672d8e46ddf3"><div class="ttname"><a href="entropy_8h.html#a474ff02ff7707ebffd00672d8e46ddf3">entropy_update_manual</a></div><div class="ttdeci">int entropy_update_manual(entropy_context *ctx, const unsigned char *data, size_t len)</div><div class="ttdoc">Add data to the accumulator manually (Thread-safe if POLARSSL_THREADING_C is enabled) ...</div></div>
<div class="ttc" id="structentropy__context_html_aefbbd08781221ef60ca9c901398e008f"><div class="ttname"><a href="structentropy__context.html#aefbbd08781221ef60ca9c901398e008f">entropy_context::accumulator</a></div><div class="ttdeci">sha512_context accumulator</div><div class="ttdef"><b>Definition:</b> <a href="entropy_8h_source.html#l00124">entropy.h:124</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="entropy_8h_html_abe16e67991416febc3144c0c8888e792"><div class="ttname"><a href="entropy_8h.html#abe16e67991416febc3144c0c8888e792">entropy_gather</a></div><div class="ttdeci">int entropy_gather(entropy_context *ctx)</div><div class="ttdoc">Trigger an extra gather poll for the accumulator (Thread-safe if POLARSSL_THREADING_C is enabled) ...</div></div>
<div class="ttc" id="structentropy__context_html"><div class="ttname"><a href="structentropy__context.html">entropy_context</a></div><div class="ttdoc">Entropy context structure. </div><div class="ttdef"><b>Definition:</b> <a href="entropy_8h_source.html#l00121">entropy.h:121</a></div></div>
<div class="ttc" id="structentropy__context_html_a7af60cf36a02db4971577d1da52040bb"><div class="ttname"><a href="structentropy__context.html#a7af60cf36a02db4971577d1da52040bb">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#l00128">entropy.h:128</a></div></div>
<div class="ttc" id="structsource__state_html_a2dbfe60df6a2808b1347990651287758"><div class="ttname"><a href="structsource__state.html#a2dbfe60df6a2808b1347990651287758">source_state::p_source</a></div><div class="ttdeci">void * p_source</div><div class="ttdoc">The callback data pointer. </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_a4267ff128fbe2ca4da2584359821d09d"><div class="ttname"><a href="entropy_8h.html#a4267ff128fbe2ca4da2584359821d09d">f_source_ptr</a></div><div class="ttdeci">int(* 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#l00103">entropy.h:103</a></div></div>
<div class="ttc" id="structsource__state_html"><div class="ttname"><a href="structsource__state.html">source_state</a></div><div class="ttdoc">Entropy source state. </div><div class="ttdef"><b>Definition:</b> <a href="entropy_8h_source.html#l00109">entropy.h:109</a></div></div>
<div class="ttc" id="entropy_8h_html_aeec06418558ccfd52a9967ad54f197c4"><div class="ttname"><a href="entropy_8h.html#aeec06418558ccfd52a9967ad54f197c4">entropy_write_seed_file</a></div><div class="ttdeci">int entropy_write_seed_file(entropy_context *ctx, const char *path)</div><div class="ttdoc">Write a seed file. </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="structsource__state_html_a645e64c552b6515b0c65685321189d24"><div class="ttname"><a href="structsource__state.html#a645e64c552b6515b0c65685321189d24">source_state::size</a></div><div class="ttdeci">size_t size</div><div class="ttdoc">Amount received. </div><div class="ttdef"><b>Definition:</b> <a href="entropy_8h_source.html#l00113">entropy.h:113</a></div></div>
<div class="ttc" id="structsource__state_html_a1ce2b87d8ba2a9df5e75705eeee155a2"><div class="ttname"><a href="structsource__state.html#a1ce2b87d8ba2a9df5e75705eeee155a2">source_state::f_source</a></div><div class="ttdeci">f_source_ptr f_source</div><div class="ttdoc">The entropy source callback. </div><div class="ttdef"><b>Definition:</b> <a href="entropy_8h_source.html#l00111">entropy.h:111</a></div></div>
<div class="ttc" id="structsha512__context_html"><div class="ttname"><a href="structsha512__context.html">sha512_context</a></div><div class="ttdoc">SHA-512 context structure. </div><div class="ttdef"><b>Definition:</b> <a href="sha512_8h_source.html#l00059">sha512.h:59</a></div></div>
<div class="ttc" id="structhavege__state_html"><div class="ttname"><a href="structhavege__state.html">havege_state</a></div><div class="ttdoc">HAVEGE state structure. </div><div class="ttdef"><b>Definition:</b> <a href="havege_8h_source.html#l00041">havege.h:41</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="entropy_8h_html_a5e9ba2c083acc78efc758deca62d162d"><div class="ttname"><a href="entropy_8h.html#a5e9ba2c083acc78efc758deca62d162d">ENTROPY_MAX_SOURCES</a></div><div class="ttdeci">#define ENTROPY_MAX_SOURCES</div><div class="ttdoc">Maximum number of sources supported. </div><div class="ttdef"><b>Definition:</b> <a href="entropy_8h_source.html#l00070">entropy.h:70</a></div></div>
<div class="ttc" id="entropy_8h_html_aee40647ce61215ca2765e9ab3c84a47c"><div class="ttname"><a href="entropy_8h.html#aee40647ce61215ca2765e9ab3c84a47c">entropy_self_test</a></div><div class="ttdeci">int entropy_self_test(int verbose)</div><div class="ttdoc">Checkup routine. </div></div>
<div class="ttc" id="structsource__state_html_a58050b25725620cafe76c9c1d2b0ecf1"><div class="ttname"><a href="structsource__state.html#a58050b25725620cafe76c9c1d2b0ecf1">source_state::threshold</a></div><div class="ttdeci">size_t threshold</div><div class="ttdoc">Minimum level required before release. </div><div class="ttdef"><b>Definition:</b> <a href="entropy_8h_source.html#l00114">entropy.h:114</a></div></div>
<div class="ttc" id="sha512_8h_html"><div class="ttname"><a href="sha512_8h.html">sha512.h</a></div><div class="ttdoc">SHA-384 and SHA-512 cryptographic hash function. </div></div>
<div class="ttc" id="entropy_8h_html_a5d16f198ece9ccdfe5f80780bf5cee33"><div class="ttname"><a href="entropy_8h.html#a5d16f198ece9ccdfe5f80780bf5cee33">entropy_update_seed_file</a></div><div class="ttdeci">int entropy_update_seed_file(entropy_context *ctx, const char *path)</div><div class="ttdoc">Read and update a seed file. </div></div>
<div class="ttc" id="structsha256__context_html"><div class="ttname"><a href="structsha256__context.html">sha256_context</a></div><div class="ttdoc">SHA-256 context structure. </div><div class="ttdef"><b>Definition:</b> <a href="sha256_8h_source.html#l00058">sha256.h:58</a></div></div>
<div class="ttc" id="entropy_8h_html_a07cc14e42768b04bbcc48a632ad8c442"><div class="ttname"><a href="entropy_8h.html#a07cc14e42768b04bbcc48a632ad8c442">entropy_init</a></div><div class="ttdeci">void entropy_init(entropy_context *ctx)</div><div class="ttdoc">Initialize the context. </div></div>
<div class="ttc" id="sha256_8h_html"><div class="ttname"><a href="sha256_8h.html">sha256.h</a></div><div class="ttdoc">SHA-224 and SHA-256 cryptographic hash function. </div></div>
<div class="ttc" id="entropy_8h_html_a2b7d7123b31b42902364989975740fe2"><div class="ttname"><a href="entropy_8h.html#a2b7d7123b31b42902364989975740fe2">entropy_func</a></div><div class="ttdeci">int entropy_func(void *data, unsigned char *output, size_t len)</div><div class="ttdoc">Retrieve entropy from the accumulator (Maximum length: ENTROPY_BLOCK_SIZE) (Thread-safe if POLARSSL_T...</div></div>
<div class="ttc" id="entropy_8h_html_ace26c056043473a7f12be97117262fd4"><div class="ttname"><a href="entropy_8h.html#ace26c056043473a7f12be97117262fd4">entropy_free</a></div><div class="ttdeci">void entropy_free(entropy_context *ctx)</div><div class="ttdoc">Free the data in the context. </div></div>
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