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<li class="navelem"><a class="el" href="dir_6a9bbd12bf4e19a18c45e270f8fae3fd.html">include</a></li><li class="navelem"><a class="el" href="dir_04272d44da4745cf8b8bfc767d6c6523.html">polarssl</a></li> </ul>
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<a href="ctr__drbg_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_CTR_DRBG_H</span></div>
<div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="preprocessor"></span><span class="preprocessor">#define POLARSSL_CTR_DRBG_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">#include "<a class="code" href="aes_8h.html">aes.h</a>"</span></div>
<div class="line"><a name="l00033"></a><span class="lineno"> 33</span> </div>
<div class="line"><a name="l00034"></a><span class="lineno"><a class="line" href="ctr__drbg_8h.html#a29337787324ee83801279c2bb3debfb3"> 34</a></span> <span class="preprocessor">#define POLARSSL_ERR_CTR_DRBG_ENTROPY_SOURCE_FAILED -0x0034 </span></div>
<div class="line"><a name="l00035"></a><span class="lineno"><a class="line" href="ctr__drbg_8h.html#a4ec9724247956f9b2004beb3998cbf4b"> 35</a></span> <span class="preprocessor">#define POLARSSL_ERR_CTR_DRBG_REQUEST_TOO_BIG -0x0036 </span></div>
<div class="line"><a name="l00036"></a><span class="lineno"><a class="line" href="ctr__drbg_8h.html#ad2ebdb67b7c42e990590e1b5d6cbadf4"> 36</a></span> <span class="preprocessor">#define POLARSSL_ERR_CTR_DRBG_INPUT_TOO_BIG -0x0038 </span></div>
<div class="line"><a name="l00037"></a><span class="lineno"><a class="line" href="ctr__drbg_8h.html#ac24b26db879708ddef6840f37a1c94aa"> 37</a></span> <span class="preprocessor">#define POLARSSL_ERR_CTR_DRBG_FILE_IO_ERROR -0x003A </span></div>
<div class="line"><a name="l00039"></a><span class="lineno"><a class="line" href="ctr__drbg_8h.html#a907251d56e7adb3d795bfe04e1f36865"> 39</a></span> <span class="preprocessor">#define CTR_DRBG_BLOCKSIZE 16 </span></div>
<div class="line"><a name="l00040"></a><span class="lineno"><a class="line" href="ctr__drbg_8h.html#a7e724588e94f73bd3fb7623e3f191913"> 40</a></span> <span class="preprocessor">#define CTR_DRBG_KEYSIZE 32 </span></div>
<div class="line"><a name="l00041"></a><span class="lineno"><a class="line" href="ctr__drbg_8h.html#ad7fddfff369d259329ff0f7c64063da0"> 41</a></span> <span class="preprocessor">#define CTR_DRBG_KEYBITS ( CTR_DRBG_KEYSIZE * 8 )</span></div>
<div class="line"><a name="l00042"></a><span class="lineno"><a class="line" href="ctr__drbg_8h.html#ab2109628bba8f8548bf5f0d18bf18cd8"> 42</a></span> <span class="preprocessor"></span><span class="preprocessor">#define CTR_DRBG_SEEDLEN ( CTR_DRBG_KEYSIZE + CTR_DRBG_BLOCKSIZE )</span></div>
<div class="line"><a name="l00043"></a><span class="lineno"> 43</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00053"></a><span class="lineno"> 53</span> <span class="preprocessor">#if !defined(CTR_DRBG_ENTROPY_LEN)</span></div>
<div class="line"><a name="l00054"></a><span class="lineno"> 54</span> <span class="preprocessor"></span><span class="preprocessor">#if defined(POLARSSL_SHA512_C) && !defined(POLARSSL_ENTROPY_FORCE_SHA256)</span></div>
<div class="line"><a name="l00055"></a><span class="lineno"><a class="line" href="ctr__drbg_8h.html#aad464fda72b082db273843523b6de363"> 55</a></span> <span class="preprocessor"></span><span class="preprocessor">#define CTR_DRBG_ENTROPY_LEN 48 </span></div>
<div class="line"><a name="l00056"></a><span class="lineno"> 56</span> <span class="preprocessor">#else</span></div>
<div class="line"><a name="l00057"></a><span class="lineno"> 57</span> <span class="preprocessor"></span><span class="preprocessor">#define CTR_DRBG_ENTROPY_LEN 32 </span></div>
<div class="line"><a name="l00058"></a><span class="lineno"> 58</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00059"></a><span class="lineno"> 59</span> <span class="preprocessor"></span><span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00060"></a><span class="lineno"> 60</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00061"></a><span class="lineno"> 61</span> <span class="preprocessor">#if !defined(CTR_DRBG_RESEED_INTERVAL)</span></div>
<div class="line"><a name="l00062"></a><span class="lineno"><a class="line" href="ctr__drbg_8h.html#aada2905e3923ac30ff08869396fa715a"> 62</a></span> <span class="preprocessor"></span><span class="preprocessor">#define CTR_DRBG_RESEED_INTERVAL 10000 </span></div>
<div class="line"><a name="l00063"></a><span class="lineno"> 63</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00064"></a><span class="lineno"> 64</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00065"></a><span class="lineno"> 65</span> <span class="preprocessor">#if !defined(CTR_DRBG_MAX_INPUT)</span></div>
<div class="line"><a name="l00066"></a><span class="lineno"><a class="line" href="ctr__drbg_8h.html#aa422ee06cd5836113c0068996fa9560c"> 66</a></span> <span class="preprocessor"></span><span class="preprocessor">#define CTR_DRBG_MAX_INPUT 256 </span></div>
<div class="line"><a name="l00067"></a><span class="lineno"> 67</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00068"></a><span class="lineno"> 68</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00069"></a><span class="lineno"> 69</span> <span class="preprocessor">#if !defined(CTR_DRBG_MAX_REQUEST)</span></div>
<div class="line"><a name="l00070"></a><span class="lineno"><a class="line" href="ctr__drbg_8h.html#a97273e0c80ab6111bf79f05834f174bf"> 70</a></span> <span class="preprocessor"></span><span class="preprocessor">#define CTR_DRBG_MAX_REQUEST 1024 </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(CTR_DRBG_MAX_SEED_INPUT)</span></div>
<div class="line"><a name="l00074"></a><span class="lineno"><a class="line" href="ctr__drbg_8h.html#aeeb6d3716faa516c3b90d6587de119dc"> 74</a></span> <span class="preprocessor"></span><span class="preprocessor">#define CTR_DRBG_MAX_SEED_INPUT 384 </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"><a class="line" href="ctr__drbg_8h.html#ad15c071c711a60200f5dcbbcb191c9eb"> 79</a></span> <span class="preprocessor">#define CTR_DRBG_PR_OFF 0 </span></div>
<div class="line"><a name="l00080"></a><span class="lineno"><a class="line" href="ctr__drbg_8h.html#ac689b93ae32164241a48cee742a8fc74"> 80</a></span> <span class="preprocessor">#define CTR_DRBG_PR_ON 1 </span></div>
<div class="line"><a name="l00082"></a><span class="lineno"> 82</span> <span class="preprocessor">#ifdef __cplusplus</span></div>
<div class="line"><a name="l00083"></a><span class="lineno"> 83</span> <span class="preprocessor"></span><span class="keyword">extern</span> <span class="stringliteral">"C"</span> {</div>
<div class="line"><a name="l00084"></a><span class="lineno"> 84</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00085"></a><span class="lineno"> 85</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00089"></a><span class="lineno"><a class="line" href="structctr__drbg__context.html"> 89</a></span> <span class="keyword">typedef</span> <span class="keyword">struct</span></div>
<div class="line"><a name="l00090"></a><span class="lineno"> 90</span> {</div>
<div class="line"><a name="l00091"></a><span class="lineno"><a class="line" href="structctr__drbg__context.html#ab7a56989db1a28061fcf59330fd5ebab"> 91</a></span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> counter[16]; </div>
<div class="line"><a name="l00092"></a><span class="lineno"><a class="line" href="structctr__drbg__context.html#aec37b4eec92c064eb61e404d6d506419"> 92</a></span>  <span class="keywordtype">int</span> <a class="code" href="structctr__drbg__context.html#aec37b4eec92c064eb61e404d6d506419">reseed_counter</a>; </div>
<div class="line"><a name="l00093"></a><span class="lineno"><a class="line" href="structctr__drbg__context.html#a73bfaff58a084d6903e2bfdf09255216"> 93</a></span>  <span class="keywordtype">int</span> <a class="code" href="structctr__drbg__context.html#a73bfaff58a084d6903e2bfdf09255216">prediction_resistance</a>; </div>
<div class="line"><a name="l00095"></a><span class="lineno"><a class="line" href="structctr__drbg__context.html#a65a0be04e3bdad14d9b89244afde1d98"> 95</a></span>  <span class="keywordtype">size_t</span> <a class="code" href="structctr__drbg__context.html#a65a0be04e3bdad14d9b89244afde1d98">entropy_len</a>; </div>
<div class="line"><a name="l00097"></a><span class="lineno"><a class="line" href="structctr__drbg__context.html#af6a62a0ef862fe4abcd7c580736e5c23"> 97</a></span>  <span class="keywordtype">int</span> <a class="code" href="structctr__drbg__context.html#af6a62a0ef862fe4abcd7c580736e5c23">reseed_interval</a>; </div>
<div class="line"><a name="l00099"></a><span class="lineno"><a class="line" href="structctr__drbg__context.html#a73bb2a2ded8df0ac180fb308ac628671"> 99</a></span>  <a class="code" href="structaes__context.html">aes_context</a> <a class="code" href="structctr__drbg__context.html#a73bb2a2ded8df0ac180fb308ac628671">aes_ctx</a>; </div>
<div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  <span class="comment">/*</span></div>
<div class="line"><a name="l00102"></a><span class="lineno"> 102</span> <span class="comment"> * Callbacks (Entropy)</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"><a class="line" href="structctr__drbg__context.html#afa8f09f491d90d9a6d9cfc61e521d457"> 104</a></span>  int (*f_entropy)(<span class="keywordtype">void</span> *, <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *, size_t);</div>
<div class="line"><a name="l00105"></a><span class="lineno"> 105</span> </div>
<div class="line"><a name="l00106"></a><span class="lineno"><a class="line" href="structctr__drbg__context.html#ab4a8f86eedb85daf0ffcbe8b5aae86a4"> 106</a></span>  <span class="keywordtype">void</span> *<a class="code" href="structctr__drbg__context.html#ab4a8f86eedb85daf0ffcbe8b5aae86a4">p_entropy</a>; </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> <a class="code" href="structctr__drbg__context.html">ctr_drbg_context</a>;</div>
<div class="line"><a name="l00109"></a><span class="lineno"> 109</span> </div>
<div class="line"><a name="l00127"></a><span class="lineno"> 127</span> <span class="keywordtype">int</span> <a class="code" href="ctr__drbg_8h.html#a0e27d989ba78d2a5a40166d68a1b7bdb">ctr_drbg_init</a>( <a class="code" href="structctr__drbg__context.html">ctr_drbg_context</a> *ctx,</div>
<div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  <span class="keywordtype">int</span> (*f_entropy)(<span class="keywordtype">void</span> *, <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *, <span class="keywordtype">size_t</span>),</div>
<div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  <span class="keywordtype">void</span> *p_entropy,</div>
<div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  <span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *custom,</div>
<div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  <span class="keywordtype">size_t</span> len );</div>
<div class="line"><a name="l00132"></a><span class="lineno"> 132</span> </div>
<div class="line"><a name="l00138"></a><span class="lineno"> 138</span> <span class="keywordtype">void</span> <a class="code" href="ctr__drbg_8h.html#af58c0660e33c9f98a934e01e1e9a9d0b">ctr_drbg_free</a>( <a class="code" href="structctr__drbg__context.html">ctr_drbg_context</a> *ctx );</div>
<div class="line"><a name="l00139"></a><span class="lineno"> 139</span> </div>
<div class="line"><a name="l00149"></a><span class="lineno"> 149</span> <span class="keywordtype">void</span> <a class="code" href="ctr__drbg_8h.html#a0a4b47f2f9c153ca84ff3f27193dcfec">ctr_drbg_set_prediction_resistance</a>( <a class="code" href="structctr__drbg__context.html">ctr_drbg_context</a> *ctx,</div>
<div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  <span class="keywordtype">int</span> resistance );</div>
<div class="line"><a name="l00151"></a><span class="lineno"> 151</span> </div>
<div class="line"><a name="l00159"></a><span class="lineno"> 159</span> <span class="keywordtype">void</span> <a class="code" href="ctr__drbg_8h.html#a48c1d04815d90f4d191e848209483ffd">ctr_drbg_set_entropy_len</a>( <a class="code" href="structctr__drbg__context.html">ctr_drbg_context</a> *ctx,</div>
<div class="line"><a name="l00160"></a><span class="lineno"> 160</span>  <span class="keywordtype">size_t</span> len );</div>
<div class="line"><a name="l00161"></a><span class="lineno"> 161</span> </div>
<div class="line"><a name="l00169"></a><span class="lineno"> 169</span> <span class="keywordtype">void</span> <a class="code" href="ctr__drbg_8h.html#a2ce2d084b5c2a25d7dafb912c73b24a6">ctr_drbg_set_reseed_interval</a>( <a class="code" href="structctr__drbg__context.html">ctr_drbg_context</a> *ctx,</div>
<div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  <span class="keywordtype">int</span> interval );</div>
<div class="line"><a name="l00171"></a><span class="lineno"> 171</span> </div>
<div class="line"><a name="l00182"></a><span class="lineno"> 182</span> <span class="keywordtype">int</span> <a class="code" href="ctr__drbg_8h.html#af958b326a8a3f7c168867d999a9b6b55">ctr_drbg_reseed</a>( <a class="code" href="structctr__drbg__context.html">ctr_drbg_context</a> *ctx,</div>
<div class="line"><a name="l00183"></a><span class="lineno"> 183</span>  <span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *additional, <span class="keywordtype">size_t</span> len );</div>
<div class="line"><a name="l00184"></a><span class="lineno"> 184</span> </div>
<div class="line"><a name="l00192"></a><span class="lineno"> 192</span> <span class="keywordtype">void</span> <a class="code" href="ctr__drbg_8h.html#a62b4daaff672263de0827dbe150f21fe">ctr_drbg_update</a>( <a class="code" href="structctr__drbg__context.html">ctr_drbg_context</a> *ctx,</div>
<div class="line"><a name="l00193"></a><span class="lineno"> 193</span>  <span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *additional, <span class="keywordtype">size_t</span> add_len );</div>
<div class="line"><a name="l00194"></a><span class="lineno"> 194</span> </div>
<div class="line"><a name="l00210"></a><span class="lineno"> 210</span> <span class="keywordtype">int</span> <a class="code" href="ctr__drbg_8h.html#a7484335f1f0e7460c06e0e949e6a5a95">ctr_drbg_random_with_add</a>( <span class="keywordtype">void</span> *p_rng,</div>
<div class="line"><a name="l00211"></a><span class="lineno"> 211</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *output, <span class="keywordtype">size_t</span> output_len,</div>
<div class="line"><a name="l00212"></a><span class="lineno"> 212</span>  <span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *additional, <span class="keywordtype">size_t</span> add_len );</div>
<div class="line"><a name="l00213"></a><span class="lineno"> 213</span> </div>
<div class="line"><a name="l00227"></a><span class="lineno"> 227</span> <span class="keywordtype">int</span> <a class="code" href="ctr__drbg_8h.html#a2625d0bebed2f8e1d9f4257e4ed3a02c">ctr_drbg_random</a>( <span class="keywordtype">void</span> *p_rng,</div>
<div class="line"><a name="l00228"></a><span class="lineno"> 228</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *output, <span class="keywordtype">size_t</span> output_len );</div>
<div class="line"><a name="l00229"></a><span class="lineno"> 229</span> </div>
<div class="line"><a name="l00230"></a><span class="lineno"> 230</span> <span class="preprocessor">#if defined(POLARSSL_FS_IO)</span></div>
<div class="line"><a name="l00231"></a><span class="lineno"> 231</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00241"></a><span class="lineno"> 241</span> <span class="keywordtype">int</span> <a class="code" href="ctr__drbg_8h.html#a1fbf41eb924ef6d0cabfdf586696ccd0">ctr_drbg_write_seed_file</a>( <a class="code" href="structctr__drbg__context.html">ctr_drbg_context</a> *ctx, <span class="keyword">const</span> <span class="keywordtype">char</span> *path );</div>
<div class="line"><a name="l00242"></a><span class="lineno"> 242</span> </div>
<div class="line"><a name="l00255"></a><span class="lineno"> 255</span> <span class="keywordtype">int</span> <a class="code" href="ctr__drbg_8h.html#a0aaede25b684a60113dd1d0dc86b0267">ctr_drbg_update_seed_file</a>( <a class="code" href="structctr__drbg__context.html">ctr_drbg_context</a> *ctx, <span class="keyword">const</span> <span class="keywordtype">char</span> *path );</div>
<div class="line"><a name="l00256"></a><span class="lineno"> 256</span> <span class="preprocessor">#endif </span><span class="comment">/* POLARSSL_FS_IO */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00257"></a><span class="lineno"> 257</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00263"></a><span class="lineno"> 263</span> <span class="keywordtype">int</span> <a class="code" href="ctr__drbg_8h.html#aa1bdc01be25861d3b5f51565a7604c6a">ctr_drbg_self_test</a>( <span class="keywordtype">int</span> verbose );</div>
<div class="line"><a name="l00264"></a><span class="lineno"> 264</span> </div>
<div class="line"><a name="l00265"></a><span class="lineno"> 265</span> <span class="comment">/* Internal functions (do not call directly) */</span></div>
<div class="line"><a name="l00266"></a><span class="lineno"> 266</span> <span class="keywordtype">int</span> <a class="code" href="ctr__drbg_8h.html#a15775822b651b6201d796fab79ce7fd5">ctr_drbg_init_entropy_len</a>( <a class="code" href="structctr__drbg__context.html">ctr_drbg_context</a> *,</div>
<div class="line"><a name="l00267"></a><span class="lineno"> 267</span>  <span class="keywordtype">int</span> (*)(<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> *,</div>
<div class="line"><a name="l00268"></a><span class="lineno"> 268</span>  <span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *, <span class="keywordtype">size_t</span>, <span class="keywordtype">size_t</span> );</div>
<div class="line"><a name="l00269"></a><span class="lineno"> 269</span> </div>
<div class="line"><a name="l00270"></a><span class="lineno"> 270</span> <span class="preprocessor">#ifdef __cplusplus</span></div>
<div class="line"><a name="l00271"></a><span class="lineno"> 271</span> <span class="preprocessor"></span>}</div>
<div class="line"><a name="l00272"></a><span class="lineno"> 272</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00273"></a><span class="lineno"> 273</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00274"></a><span class="lineno"> 274</span> <span class="preprocessor">#endif </span><span class="comment">/* ctr_drbg.h */</span><span class="preprocessor"></span></div>
<div class="ttc" id="ctr__drbg_8h_html_a2625d0bebed2f8e1d9f4257e4ed3a02c"><div class="ttname"><a href="ctr__drbg_8h.html#a2625d0bebed2f8e1d9f4257e4ed3a02c">ctr_drbg_random</a></div><div class="ttdeci">int ctr_drbg_random(void *p_rng, unsigned char *output, size_t output_len)</div><div class="ttdoc">CTR_DRBG generate random. </div></div>
<div class="ttc" id="ctr__drbg_8h_html_a0a4b47f2f9c153ca84ff3f27193dcfec"><div class="ttname"><a href="ctr__drbg_8h.html#a0a4b47f2f9c153ca84ff3f27193dcfec">ctr_drbg_set_prediction_resistance</a></div><div class="ttdeci">void ctr_drbg_set_prediction_resistance(ctr_drbg_context *ctx, int resistance)</div><div class="ttdoc">Enable / disable prediction resistance (Default: Off) </div></div>
<div class="ttc" id="structctr__drbg__context_html_aec37b4eec92c064eb61e404d6d506419"><div class="ttname"><a href="structctr__drbg__context.html#aec37b4eec92c064eb61e404d6d506419">ctr_drbg_context::reseed_counter</a></div><div class="ttdeci">int reseed_counter</div><div class="ttdef"><b>Definition:</b> <a href="ctr__drbg_8h_source.html#l00092">ctr_drbg.h:92</a></div></div>
<div class="ttc" id="structaes__context_html"><div class="ttname"><a href="structaes__context.html">aes_context</a></div><div class="ttdoc">AES context structure. </div><div class="ttdef"><b>Definition:</b> <a href="aes_8h_source.html#l00068">aes.h:68</a></div></div>
<div class="ttc" id="ctr__drbg_8h_html_af58c0660e33c9f98a934e01e1e9a9d0b"><div class="ttname"><a href="ctr__drbg_8h.html#af58c0660e33c9f98a934e01e1e9a9d0b">ctr_drbg_free</a></div><div class="ttdeci">void ctr_drbg_free(ctr_drbg_context *ctx)</div><div class="ttdoc">Clear CTR_CRBG context data. </div></div>
<div class="ttc" id="ctr__drbg_8h_html_a15775822b651b6201d796fab79ce7fd5"><div class="ttname"><a href="ctr__drbg_8h.html#a15775822b651b6201d796fab79ce7fd5">ctr_drbg_init_entropy_len</a></div><div class="ttdeci">int ctr_drbg_init_entropy_len(ctr_drbg_context *, int(*)(void *, unsigned char *, size_t), void *, const unsigned char *, size_t, size_t)</div></div>
<div class="ttc" id="structctr__drbg__context_html_a73bfaff58a084d6903e2bfdf09255216"><div class="ttname"><a href="structctr__drbg__context.html#a73bfaff58a084d6903e2bfdf09255216">ctr_drbg_context::prediction_resistance</a></div><div class="ttdeci">int prediction_resistance</div><div class="ttdef"><b>Definition:</b> <a href="ctr__drbg_8h_source.html#l00093">ctr_drbg.h:93</a></div></div>
<div class="ttc" id="ctr__drbg_8h_html_a7484335f1f0e7460c06e0e949e6a5a95"><div class="ttname"><a href="ctr__drbg_8h.html#a7484335f1f0e7460c06e0e949e6a5a95">ctr_drbg_random_with_add</a></div><div class="ttdeci">int ctr_drbg_random_with_add(void *p_rng, unsigned char *output, size_t output_len, const unsigned char *additional, size_t add_len)</div><div class="ttdoc">CTR_DRBG generate random with additional update input. </div></div>
<div class="ttc" id="structctr__drbg__context_html_a65a0be04e3bdad14d9b89244afde1d98"><div class="ttname"><a href="structctr__drbg__context.html#a65a0be04e3bdad14d9b89244afde1d98">ctr_drbg_context::entropy_len</a></div><div class="ttdeci">size_t entropy_len</div><div class="ttdef"><b>Definition:</b> <a href="ctr__drbg_8h_source.html#l00095">ctr_drbg.h:95</a></div></div>
<div class="ttc" id="aes_8h_html"><div class="ttname"><a href="aes_8h.html">aes.h</a></div><div class="ttdoc">AES block cipher. </div></div>
<div class="ttc" id="ctr__drbg_8h_html_af958b326a8a3f7c168867d999a9b6b55"><div class="ttname"><a href="ctr__drbg_8h.html#af958b326a8a3f7c168867d999a9b6b55">ctr_drbg_reseed</a></div><div class="ttdeci">int ctr_drbg_reseed(ctr_drbg_context *ctx, const unsigned char *additional, size_t len)</div><div class="ttdoc">CTR_DRBG reseeding (extracts data from entropy source) </div></div>
<div class="ttc" id="structctr__drbg__context_html_af6a62a0ef862fe4abcd7c580736e5c23"><div class="ttname"><a href="structctr__drbg__context.html#af6a62a0ef862fe4abcd7c580736e5c23">ctr_drbg_context::reseed_interval</a></div><div class="ttdeci">int reseed_interval</div><div class="ttdef"><b>Definition:</b> <a href="ctr__drbg_8h_source.html#l00097">ctr_drbg.h:97</a></div></div>
<div class="ttc" id="structctr__drbg__context_html"><div class="ttname"><a href="structctr__drbg__context.html">ctr_drbg_context</a></div><div class="ttdoc">CTR_DRBG context structure. </div><div class="ttdef"><b>Definition:</b> <a href="ctr__drbg_8h_source.html#l00089">ctr_drbg.h:89</a></div></div>
<div class="ttc" id="structctr__drbg__context_html_ab4a8f86eedb85daf0ffcbe8b5aae86a4"><div class="ttname"><a href="structctr__drbg__context.html#ab4a8f86eedb85daf0ffcbe8b5aae86a4">ctr_drbg_context::p_entropy</a></div><div class="ttdeci">void * p_entropy</div><div class="ttdef"><b>Definition:</b> <a href="ctr__drbg_8h_source.html#l00106">ctr_drbg.h:106</a></div></div>
<div class="ttc" id="ctr__drbg_8h_html_a2ce2d084b5c2a25d7dafb912c73b24a6"><div class="ttname"><a href="ctr__drbg_8h.html#a2ce2d084b5c2a25d7dafb912c73b24a6">ctr_drbg_set_reseed_interval</a></div><div class="ttdeci">void ctr_drbg_set_reseed_interval(ctr_drbg_context *ctx, int interval)</div><div class="ttdoc">Set the reseed interval (Default: CTR_DRBG_RESEED_INTERVAL) </div></div>
<div class="ttc" id="ctr__drbg_8h_html_a0aaede25b684a60113dd1d0dc86b0267"><div class="ttname"><a href="ctr__drbg_8h.html#a0aaede25b684a60113dd1d0dc86b0267">ctr_drbg_update_seed_file</a></div><div class="ttdeci">int ctr_drbg_update_seed_file(ctr_drbg_context *ctx, const char *path)</div><div class="ttdoc">Read and update a seed file. </div></div>
<div class="ttc" id="ctr__drbg_8h_html_a48c1d04815d90f4d191e848209483ffd"><div class="ttname"><a href="ctr__drbg_8h.html#a48c1d04815d90f4d191e848209483ffd">ctr_drbg_set_entropy_len</a></div><div class="ttdeci">void ctr_drbg_set_entropy_len(ctr_drbg_context *ctx, size_t len)</div><div class="ttdoc">Set the amount of entropy grabbed on each (re)seed (Default: CTR_DRBG_ENTROPY_LEN) ...</div></div>
<div class="ttc" id="ctr__drbg_8h_html_aa1bdc01be25861d3b5f51565a7604c6a"><div class="ttname"><a href="ctr__drbg_8h.html#aa1bdc01be25861d3b5f51565a7604c6a">ctr_drbg_self_test</a></div><div class="ttdeci">int ctr_drbg_self_test(int verbose)</div><div class="ttdoc">Checkup routine. </div></div>
<div class="ttc" id="ctr__drbg_8h_html_a0e27d989ba78d2a5a40166d68a1b7bdb"><div class="ttname"><a href="ctr__drbg_8h.html#a0e27d989ba78d2a5a40166d68a1b7bdb">ctr_drbg_init</a></div><div class="ttdeci">int ctr_drbg_init(ctr_drbg_context *ctx, int(*f_entropy)(void *, unsigned char *, size_t), void *p_entropy, const unsigned char *custom, size_t len)</div><div class="ttdoc">CTR_DRBG initialization. </div></div>
<div class="ttc" id="structctr__drbg__context_html_a73bb2a2ded8df0ac180fb308ac628671"><div class="ttname"><a href="structctr__drbg__context.html#a73bb2a2ded8df0ac180fb308ac628671">ctr_drbg_context::aes_ctx</a></div><div class="ttdeci">aes_context aes_ctx</div><div class="ttdef"><b>Definition:</b> <a href="ctr__drbg_8h_source.html#l00099">ctr_drbg.h:99</a></div></div>
<div class="ttc" id="ctr__drbg_8h_html_a1fbf41eb924ef6d0cabfdf586696ccd0"><div class="ttname"><a href="ctr__drbg_8h.html#a1fbf41eb924ef6d0cabfdf586696ccd0">ctr_drbg_write_seed_file</a></div><div class="ttdeci">int ctr_drbg_write_seed_file(ctr_drbg_context *ctx, const char *path)</div><div class="ttdoc">Write a seed file. </div></div>
<div class="ttc" id="ctr__drbg_8h_html_a62b4daaff672263de0827dbe150f21fe"><div class="ttname"><a href="ctr__drbg_8h.html#a62b4daaff672263de0827dbe150f21fe">ctr_drbg_update</a></div><div class="ttdeci">void ctr_drbg_update(ctr_drbg_context *ctx, const unsigned char *additional, size_t add_len)</div><div class="ttdoc">CTR_DRBG update state. </div></div>
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