<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/> <meta http-equiv="X-UA-Compatible" content="IE=9"/> <meta name="generator" content="Doxygen 1.8.13"/> <meta name="viewport" content="width=device-width, initial-scale=1"/> <title>mbed TLS v2.7.6: sha256.h Source File</title> <link href="tabs.css" rel="stylesheet" type="text/css"/> <script type="text/javascript" src="jquery.js"></script> <script type="text/javascript" src="dynsections.js"></script> <link href="doxygen.css" rel="stylesheet" type="text/css" /> </head> <body> <div id="top"><!-- do not remove this div, it is closed by doxygen! --> <div id="titlearea"> <table cellspacing="0" cellpadding="0"> <tbody> <tr style="height: 56px;"> <td id="projectalign" style="padding-left: 0.5em;"> <div id="projectname">mbed TLS v2.7.6 </div> </td> </tr> </tbody> </table> </div> <!-- end header part --> <!-- Generated by Doxygen 1.8.13 --> <script type="text/javascript" src="menudata.js"></script> <script type="text/javascript" src="menu.js"></script> <script type="text/javascript"> $(function() { initMenu('',false,false,'search.php','Search'); }); </script> <div id="main-nav"></div> <div id="nav-path" class="navpath"> <ul> <li class="navelem"><a class="el" href="dir_d44c64559bbebec7f509842c48db8b23.html">include</a></li><li class="navelem"><a class="el" href="dir_b4d146e9a6d8dd56ed4afb2480a97fd3.html">mbedtls</a></li> </ul> </div> </div><!-- top --> <div class="header"> <div class="headertitle"> <div class="title">sha256.h</div> </div> </div><!--header--> <div class="contents"> <a href="sha256_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) 2006-2018, Arm Limited (or its affiliates), 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_SHA256_H</span></div><div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="preprocessor">#define MBEDTLS_SHA256_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> <span class="preprocessor">#include <stdint.h></span></div><div class="line"><a name="l00035"></a><span class="lineno"> 35</span> </div><div class="line"><a name="l00036"></a><span class="lineno"><a class="line" href="sha256_8h.html#a157a0700d50272c834905a430287996d"> 36</a></span> <span class="preprocessor">#define MBEDTLS_ERR_SHA256_HW_ACCEL_FAILED -0x0037 </span></div><div class="line"><a name="l00038"></a><span class="lineno"> 38</span> <span class="preprocessor">#if !defined(MBEDTLS_SHA256_ALT)</span></div><div class="line"><a name="l00039"></a><span class="lineno"> 39</span> <span class="comment">// Regular implementation</span></div><div class="line"><a name="l00040"></a><span class="lineno"> 40</span> <span class="comment">//</span></div><div class="line"><a name="l00041"></a><span class="lineno"> 41</span> </div><div class="line"><a name="l00042"></a><span class="lineno"> 42</span> <span class="preprocessor">#ifdef __cplusplus</span></div><div class="line"><a name="l00043"></a><span class="lineno"> 43</span> <span class="keyword">extern</span> <span class="stringliteral">"C"</span> {</div><div class="line"><a name="l00044"></a><span class="lineno"> 44</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00045"></a><span class="lineno"> 45</span> </div><div class="line"><a name="l00053"></a><span class="lineno"><a class="line" href="structmbedtls__sha256__context.html"> 53</a></span> <span class="keyword">typedef</span> <span class="keyword">struct</span></div><div class="line"><a name="l00054"></a><span class="lineno"> 54</span> {</div><div class="line"><a name="l00055"></a><span class="lineno"><a class="line" href="structmbedtls__sha256__context.html#ab7444610a95153450180924862b2a0fa"> 55</a></span>  uint32_t total[2]; </div><div class="line"><a name="l00056"></a><span class="lineno"><a class="line" href="structmbedtls__sha256__context.html#a88df25a0934134bd8b686152ba763322"> 56</a></span>  uint32_t state[8]; </div><div class="line"><a name="l00057"></a><span class="lineno"><a class="line" href="structmbedtls__sha256__context.html#adb4c87a904e9d4099592c5bf7ff0b308"> 57</a></span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> buffer[64]; </div><div class="line"><a name="l00058"></a><span class="lineno"><a class="line" href="structmbedtls__sha256__context.html#ac73158ffb252c4bd2ccb991653619cc1"> 58</a></span>  <span class="keywordtype">int</span> <a class="code" href="structmbedtls__sha256__context.html#ac73158ffb252c4bd2ccb991653619cc1">is224</a>; </div><div class="line"><a name="l00061"></a><span class="lineno"> 61</span> }</div><div class="line"><a name="l00062"></a><span class="lineno"> 62</span> <a class="code" href="structmbedtls__sha256__context.html">mbedtls_sha256_context</a>;</div><div class="line"><a name="l00063"></a><span class="lineno"> 63</span> </div><div class="line"><a name="l00069"></a><span class="lineno"> 69</span> <span class="keywordtype">void</span> <a class="code" href="sha256_8h.html#a7c7c355490ffac9fb942cab02361932c">mbedtls_sha256_init</a>( <a class="code" href="structmbedtls__sha256__context.html">mbedtls_sha256_context</a> *ctx );</div><div class="line"><a name="l00070"></a><span class="lineno"> 70</span> </div><div class="line"><a name="l00076"></a><span class="lineno"> 76</span> <span class="keywordtype">void</span> <a class="code" href="sha256_8h.html#a6b9b9823b990de9685820fe59f1d9e1d">mbedtls_sha256_free</a>( <a class="code" href="structmbedtls__sha256__context.html">mbedtls_sha256_context</a> *ctx );</div><div class="line"><a name="l00077"></a><span class="lineno"> 77</span> </div><div class="line"><a name="l00084"></a><span class="lineno"> 84</span> <span class="keywordtype">void</span> <a class="code" href="sha256_8h.html#a9a43913c6b6804ed84b432665af01f35">mbedtls_sha256_clone</a>( <a class="code" href="structmbedtls__sha256__context.html">mbedtls_sha256_context</a> *dst,</div><div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  <span class="keyword">const</span> <a class="code" href="structmbedtls__sha256__context.html">mbedtls_sha256_context</a> *src );</div><div class="line"><a name="l00086"></a><span class="lineno"> 86</span> </div><div class="line"><a name="l00098"></a><span class="lineno"> 98</span> <span class="keywordtype">int</span> <a class="code" href="sha256_8h.html#af7feb61e3727df3ea4bb1bb08537934e">mbedtls_sha256_starts_ret</a>( <a class="code" href="structmbedtls__sha256__context.html">mbedtls_sha256_context</a> *ctx, <span class="keywordtype">int</span> is224 );</div><div class="line"><a name="l00099"></a><span class="lineno"> 99</span> </div><div class="line"><a name="l00110"></a><span class="lineno"> 110</span> <span class="keywordtype">int</span> <a class="code" href="sha256_8h.html#afeaa391b98ad340ed3b2233fa4ca665d">mbedtls_sha256_update_ret</a>( <a class="code" href="structmbedtls__sha256__context.html">mbedtls_sha256_context</a> *ctx,</div><div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  <span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *input,</div><div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  <span class="keywordtype">size_t</span> ilen );</div><div class="line"><a name="l00113"></a><span class="lineno"> 113</span> </div><div class="line"><a name="l00123"></a><span class="lineno"> 123</span> <span class="keywordtype">int</span> <a class="code" href="sha256_8h.html#ad9537ce07447c872e654ad87d144f1cd">mbedtls_sha256_finish_ret</a>( <a class="code" href="structmbedtls__sha256__context.html">mbedtls_sha256_context</a> *ctx,</div><div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> output[32] );</div><div class="line"><a name="l00125"></a><span class="lineno"> 125</span> </div><div class="line"><a name="l00136"></a><span class="lineno"> 136</span> <span class="keywordtype">int</span> <a class="code" href="sha256_8h.html#a7d35cd23d4ede07db7c6fee054045efb">mbedtls_internal_sha256_process</a>( <a class="code" href="structmbedtls__sha256__context.html">mbedtls_sha256_context</a> *ctx,</div><div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  <span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> data[64] );</div><div class="line"><a name="l00138"></a><span class="lineno"> 138</span> </div><div class="line"><a name="l00139"></a><span class="lineno"> 139</span> <span class="preprocessor">#if !defined(MBEDTLS_DEPRECATED_REMOVED)</span></div><div class="line"><a name="l00140"></a><span class="lineno"> 140</span> <span class="preprocessor">#if defined(MBEDTLS_DEPRECATED_WARNING)</span></div><div class="line"><a name="l00141"></a><span class="lineno"> 141</span> <span class="preprocessor">#define MBEDTLS_DEPRECATED __attribute__((deprecated))</span></div><div class="line"><a name="l00142"></a><span class="lineno"> 142</span> <span class="preprocessor">#else</span></div><div class="line"><a name="l00143"></a><span class="lineno"> 143</span> <span class="preprocessor">#define MBEDTLS_DEPRECATED</span></div><div class="line"><a name="l00144"></a><span class="lineno"> 144</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00145"></a><span class="lineno"> 145</span> </div><div class="line"><a name="l00155"></a><span class="lineno"> 155</span> <a class="code" href="sha256_8h.html#aa9f53b232ef244efb301233d111930dc">MBEDTLS_DEPRECATED</a> <span class="keywordtype">void</span> <a class="code" href="sha256_8h.html#ac4efbf5f18b8bd5d103c1ceb850fe7a4">mbedtls_sha256_starts</a>( <a class="code" href="structmbedtls__sha256__context.html">mbedtls_sha256_context</a> *ctx,</div><div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  <span class="keywordtype">int</span> is224 );</div><div class="line"><a name="l00157"></a><span class="lineno"> 157</span> </div><div class="line"><a name="l00168"></a><span class="lineno"> 168</span> <a class="code" href="sha256_8h.html#aa9f53b232ef244efb301233d111930dc">MBEDTLS_DEPRECATED</a> <span class="keywordtype">void</span> <a class="code" href="sha256_8h.html#a7ab0e1921b7ae14b110c4431a0b816f9">mbedtls_sha256_update</a>( <a class="code" href="structmbedtls__sha256__context.html">mbedtls_sha256_context</a> *ctx,</div><div class="line"><a name="l00169"></a><span class="lineno"> 169</span>  <span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *input,</div><div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  <span class="keywordtype">size_t</span> ilen );</div><div class="line"><a name="l00171"></a><span class="lineno"> 171</span> </div><div class="line"><a name="l00181"></a><span class="lineno"> 181</span> <a class="code" href="sha256_8h.html#aa9f53b232ef244efb301233d111930dc">MBEDTLS_DEPRECATED</a> <span class="keywordtype">void</span> <a class="code" href="sha256_8h.html#a759d3774f72abf82cd984a6ad29e19b1">mbedtls_sha256_finish</a>( <a class="code" href="structmbedtls__sha256__context.html">mbedtls_sha256_context</a> *ctx,</div><div class="line"><a name="l00182"></a><span class="lineno"> 182</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> output[32] );</div><div class="line"><a name="l00183"></a><span class="lineno"> 183</span> </div><div class="line"><a name="l00194"></a><span class="lineno"> 194</span> <a class="code" href="sha256_8h.html#aa9f53b232ef244efb301233d111930dc">MBEDTLS_DEPRECATED</a> <span class="keywordtype">void</span> <a class="code" href="sha256_8h.html#a12db056a85dc91162ebfbe41c550c1de">mbedtls_sha256_process</a>( <a class="code" href="structmbedtls__sha256__context.html">mbedtls_sha256_context</a> *ctx,</div><div class="line"><a name="l00195"></a><span class="lineno"> 195</span>  <span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> data[64] );</div><div class="line"><a name="l00196"></a><span class="lineno"> 196</span> </div><div class="line"><a name="l00197"></a><span class="lineno"> 197</span> <span class="preprocessor">#undef MBEDTLS_DEPRECATED</span></div><div class="line"><a name="l00198"></a><span class="lineno"> 198</span> <span class="preprocessor">#endif </span><span class="comment">/* !MBEDTLS_DEPRECATED_REMOVED */</span><span class="preprocessor"></span></div><div class="line"><a name="l00199"></a><span class="lineno"> 199</span> <span class="preprocessor">#ifdef __cplusplus</span></div><div class="line"><a name="l00200"></a><span class="lineno"> 200</span> }</div><div class="line"><a name="l00201"></a><span class="lineno"> 201</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00202"></a><span class="lineno"> 202</span> </div><div class="line"><a name="l00203"></a><span class="lineno"> 203</span> <span class="preprocessor">#else </span><span class="comment">/* MBEDTLS_SHA256_ALT */</span><span class="preprocessor"></span></div><div class="line"><a name="l00204"></a><span class="lineno"> 204</span> <span class="preprocessor">#include "sha256_alt.h"</span></div><div class="line"><a name="l00205"></a><span class="lineno"> 205</span> <span class="preprocessor">#endif </span><span class="comment">/* MBEDTLS_SHA256_ALT */</span><span class="preprocessor"></span></div><div class="line"><a name="l00206"></a><span class="lineno"> 206</span> </div><div class="line"><a name="l00207"></a><span class="lineno"> 207</span> <span class="preprocessor">#ifdef __cplusplus</span></div><div class="line"><a name="l00208"></a><span class="lineno"> 208</span> <span class="keyword">extern</span> <span class="stringliteral">"C"</span> {</div><div class="line"><a name="l00209"></a><span class="lineno"> 209</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00210"></a><span class="lineno"> 210</span> </div><div class="line"><a name="l00228"></a><span class="lineno"> 228</span> <span class="keywordtype">int</span> <a class="code" href="sha256_8h.html#ad283d3384b32e1e40edc6c22be359296">mbedtls_sha256_ret</a>( <span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *input,</div><div class="line"><a name="l00229"></a><span class="lineno"> 229</span>  <span class="keywordtype">size_t</span> ilen,</div><div class="line"><a name="l00230"></a><span class="lineno"> 230</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> output[32],</div><div class="line"><a name="l00231"></a><span class="lineno"> 231</span>  <span class="keywordtype">int</span> is224 );</div><div class="line"><a name="l00232"></a><span class="lineno"> 232</span> </div><div class="line"><a name="l00233"></a><span class="lineno"> 233</span> <span class="preprocessor">#if !defined(MBEDTLS_DEPRECATED_REMOVED)</span></div><div class="line"><a name="l00234"></a><span class="lineno"> 234</span> <span class="preprocessor">#if defined(MBEDTLS_DEPRECATED_WARNING)</span></div><div class="line"><a name="l00235"></a><span class="lineno"> 235</span> <span class="preprocessor">#define MBEDTLS_DEPRECATED __attribute__((deprecated))</span></div><div class="line"><a name="l00236"></a><span class="lineno"> 236</span> <span class="preprocessor">#else</span></div><div class="line"><a name="l00237"></a><span class="lineno"><a class="line" href="sha256_8h.html#aa9f53b232ef244efb301233d111930dc"> 237</a></span> <span class="preprocessor">#define MBEDTLS_DEPRECATED</span></div><div class="line"><a name="l00238"></a><span class="lineno"> 238</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00239"></a><span class="lineno"> 239</span> </div><div class="line"><a name="l00259"></a><span class="lineno"> 259</span> <a class="code" href="sha256_8h.html#aa9f53b232ef244efb301233d111930dc">MBEDTLS_DEPRECATED</a> <span class="keywordtype">void</span> <a class="code" href="sha256_8h.html#a25c94940f4217c4dd7ad6a4e7da61b47">mbedtls_sha256</a>( <span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *input,</div><div class="line"><a name="l00260"></a><span class="lineno"> 260</span>  <span class="keywordtype">size_t</span> ilen,</div><div class="line"><a name="l00261"></a><span class="lineno"> 261</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> output[32],</div><div class="line"><a name="l00262"></a><span class="lineno"> 262</span>  <span class="keywordtype">int</span> is224 );</div><div class="line"><a name="l00263"></a><span class="lineno"> 263</span> </div><div class="line"><a name="l00264"></a><span class="lineno"> 264</span> <span class="preprocessor">#undef MBEDTLS_DEPRECATED</span></div><div class="line"><a name="l00265"></a><span class="lineno"> 265</span> <span class="preprocessor">#endif </span><span class="comment">/* !MBEDTLS_DEPRECATED_REMOVED */</span><span class="preprocessor"></span></div><div class="line"><a name="l00266"></a><span class="lineno"> 266</span> </div><div class="line"><a name="l00272"></a><span class="lineno"> 272</span> <span class="keywordtype">int</span> <a class="code" href="sha256_8h.html#af1d395a98568e0c71fe4740f73ba8cd7">mbedtls_sha256_self_test</a>( <span class="keywordtype">int</span> verbose );</div><div class="line"><a name="l00273"></a><span class="lineno"> 273</span> </div><div class="line"><a name="l00274"></a><span class="lineno"> 274</span> <span class="preprocessor">#ifdef __cplusplus</span></div><div class="line"><a name="l00275"></a><span class="lineno"> 275</span> }</div><div class="line"><a name="l00276"></a><span class="lineno"> 276</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00277"></a><span class="lineno"> 277</span> </div><div class="line"><a name="l00278"></a><span class="lineno"> 278</span> <span class="preprocessor">#endif </span><span class="comment">/* mbedtls_sha256.h */</span><span class="preprocessor"></span></div><div class="ttc" id="sha256_8h_html_a7d35cd23d4ede07db7c6fee054045efb"><div class="ttname"><a href="sha256_8h.html#a7d35cd23d4ede07db7c6fee054045efb">mbedtls_internal_sha256_process</a></div><div class="ttdeci">int mbedtls_internal_sha256_process(mbedtls_sha256_context *ctx, const unsigned char data[64])</div><div class="ttdoc">This function processes a single data block within the ongoing SHA-256 computation. This function is for internal use only. </div></div> <div class="ttc" id="sha256_8h_html_a759d3774f72abf82cd984a6ad29e19b1"><div class="ttname"><a href="sha256_8h.html#a759d3774f72abf82cd984a6ad29e19b1">mbedtls_sha256_finish</a></div><div class="ttdeci">MBEDTLS_DEPRECATED void mbedtls_sha256_finish(mbedtls_sha256_context *ctx, unsigned char output[32])</div><div class="ttdoc">This function finishes the SHA-256 operation, and writes the result to the output buffer...</div></div> <div class="ttc" id="sha256_8h_html_a7c7c355490ffac9fb942cab02361932c"><div class="ttname"><a href="sha256_8h.html#a7c7c355490ffac9fb942cab02361932c">mbedtls_sha256_init</a></div><div class="ttdeci">void mbedtls_sha256_init(mbedtls_sha256_context *ctx)</div><div class="ttdoc">This function initializes a SHA-256 context. </div></div> <div class="ttc" id="sha256_8h_html_afeaa391b98ad340ed3b2233fa4ca665d"><div class="ttname"><a href="sha256_8h.html#afeaa391b98ad340ed3b2233fa4ca665d">mbedtls_sha256_update_ret</a></div><div class="ttdeci">int mbedtls_sha256_update_ret(mbedtls_sha256_context *ctx, const unsigned char *input, size_t ilen)</div><div class="ttdoc">This function feeds an input buffer into an ongoing SHA-256 checksum calculation. ...</div></div> <div class="ttc" id="sha256_8h_html_a6b9b9823b990de9685820fe59f1d9e1d"><div class="ttname"><a href="sha256_8h.html#a6b9b9823b990de9685820fe59f1d9e1d">mbedtls_sha256_free</a></div><div class="ttdeci">void mbedtls_sha256_free(mbedtls_sha256_context *ctx)</div><div class="ttdoc">This function clears a SHA-256 context. </div></div> <div class="ttc" id="sha256_8h_html_af7feb61e3727df3ea4bb1bb08537934e"><div class="ttname"><a href="sha256_8h.html#af7feb61e3727df3ea4bb1bb08537934e">mbedtls_sha256_starts_ret</a></div><div class="ttdeci">int mbedtls_sha256_starts_ret(mbedtls_sha256_context *ctx, int is224)</div><div class="ttdoc">This function starts a SHA-224 or SHA-256 checksum calculation. </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="sha256_8h_html_ad9537ce07447c872e654ad87d144f1cd"><div class="ttname"><a href="sha256_8h.html#ad9537ce07447c872e654ad87d144f1cd">mbedtls_sha256_finish_ret</a></div><div class="ttdeci">int mbedtls_sha256_finish_ret(mbedtls_sha256_context *ctx, unsigned char output[32])</div><div class="ttdoc">This function finishes the SHA-256 operation, and writes the result to the output buffer...</div></div> <div class="ttc" id="sha256_8h_html_aa9f53b232ef244efb301233d111930dc"><div class="ttname"><a href="sha256_8h.html#aa9f53b232ef244efb301233d111930dc">MBEDTLS_DEPRECATED</a></div><div class="ttdeci">#define MBEDTLS_DEPRECATED</div><div class="ttdef"><b>Definition:</b> <a href="sha256_8h_source.html#l00237">sha256.h:237</a></div></div> <div class="ttc" id="sha256_8h_html_a7ab0e1921b7ae14b110c4431a0b816f9"><div class="ttname"><a href="sha256_8h.html#a7ab0e1921b7ae14b110c4431a0b816f9">mbedtls_sha256_update</a></div><div class="ttdeci">MBEDTLS_DEPRECATED void mbedtls_sha256_update(mbedtls_sha256_context *ctx, const unsigned char *input, size_t ilen)</div><div class="ttdoc">This function feeds an input buffer into an ongoing SHA-256 checksum calculation. ...</div></div> <div class="ttc" id="structmbedtls__sha256__context_html_ac73158ffb252c4bd2ccb991653619cc1"><div class="ttname"><a href="structmbedtls__sha256__context.html#ac73158ffb252c4bd2ccb991653619cc1">mbedtls_sha256_context::is224</a></div><div class="ttdeci">int is224</div><div class="ttdef"><b>Definition:</b> <a href="sha256_8h_source.html#l00058">sha256.h:58</a></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="sha256_8h_html_a25c94940f4217c4dd7ad6a4e7da61b47"><div class="ttname"><a href="sha256_8h.html#a25c94940f4217c4dd7ad6a4e7da61b47">mbedtls_sha256</a></div><div class="ttdeci">MBEDTLS_DEPRECATED void mbedtls_sha256(const unsigned char *input, size_t ilen, unsigned char output[32], int is224)</div><div class="ttdoc">This function calculates the SHA-224 or SHA-256 checksum of a buffer. </div></div> <div class="ttc" id="sha256_8h_html_ad283d3384b32e1e40edc6c22be359296"><div class="ttname"><a href="sha256_8h.html#ad283d3384b32e1e40edc6c22be359296">mbedtls_sha256_ret</a></div><div class="ttdeci">int mbedtls_sha256_ret(const unsigned char *input, size_t ilen, unsigned char output[32], int is224)</div><div class="ttdoc">This function calculates the SHA-224 or SHA-256 checksum of a buffer. </div></div> <div class="ttc" id="sha256_8h_html_a12db056a85dc91162ebfbe41c550c1de"><div class="ttname"><a href="sha256_8h.html#a12db056a85dc91162ebfbe41c550c1de">mbedtls_sha256_process</a></div><div class="ttdeci">MBEDTLS_DEPRECATED void mbedtls_sha256_process(mbedtls_sha256_context *ctx, const unsigned char data[64])</div><div class="ttdoc">This function processes a single data block within the ongoing SHA-256 computation. This function is for internal use only. </div></div> <div class="ttc" id="sha256_8h_html_a9a43913c6b6804ed84b432665af01f35"><div class="ttname"><a href="sha256_8h.html#a9a43913c6b6804ed84b432665af01f35">mbedtls_sha256_clone</a></div><div class="ttdeci">void mbedtls_sha256_clone(mbedtls_sha256_context *dst, const mbedtls_sha256_context *src)</div><div class="ttdoc">This function clones the state of a SHA-256 context. </div></div> <div class="ttc" id="sha256_8h_html_ac4efbf5f18b8bd5d103c1ceb850fe7a4"><div class="ttname"><a href="sha256_8h.html#ac4efbf5f18b8bd5d103c1ceb850fe7a4">mbedtls_sha256_starts</a></div><div class="ttdeci">MBEDTLS_DEPRECATED void mbedtls_sha256_starts(mbedtls_sha256_context *ctx, int is224)</div><div class="ttdoc">This function starts a SHA-256 checksum calculation. </div></div> <div class="ttc" id="sha256_8h_html_af1d395a98568e0c71fe4740f73ba8cd7"><div class="ttname"><a href="sha256_8h.html#af1d395a98568e0c71fe4740f73ba8cd7">mbedtls_sha256_self_test</a></div><div class="ttdeci">int mbedtls_sha256_self_test(int verbose)</div><div class="ttdoc">The SHA-224 and SHA-256 checkup routine. </div></div> </div><!-- fragment --></div><!-- contents --> <!-- start footer part --> <hr class="footer"/><address class="footer"><small> Generated on Fri Oct 12 2018 20:26:59 for mbed TLS v2.7.6 by  <a href="http://www.doxygen.org/index.html"> <img class="footer" src="doxygen.png" alt="doxygen"/> </a> 1.8.13 </small></address> </body> </html>