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<div class="title">sha2.h</div> </div>
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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">/* Licensed to the Apache Software Foundation (ASF) under one or more</span></div>
<div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment"> * contributor license agreements. See the NOTICE file distributed with</span></div>
<div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment"> * this work for additional information regarding copyright ownership.</span></div>
<div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment"> * The ASF licenses this file to You under the Apache License, Version 2.0</span></div>
<div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment"> * (the "License"); you may not use this file except in compliance with</span></div>
<div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment"> * the License. You may obtain a copy of the License at</span></div>
<div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment"> * http://www.apache.org/licenses/LICENSE-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"> * Unless required by applicable law or agreed to in writing, software</span></div>
<div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment"> * distributed under the License is distributed on an "AS IS" BASIS,</span></div>
<div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment"> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</span></div>
<div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment"> * See the License for the specific language governing permissions and</span></div>
<div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment"> * limitations under the License.</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">/*</span></div>
<div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="comment"> * FILE: sha2.h</span></div>
<div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="comment"> * AUTHOR: Aaron D. Gifford <me@aarongifford.com></span></div>
<div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="comment"> * </span></div>
<div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="comment"> * A licence was granted to the ASF by Aaron on 4 November 2003.</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> </div>
<div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="preprocessor">#ifndef __SHA2_H__</span></div>
<div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="preprocessor"></span><span class="preprocessor">#define __SHA2_H__</span></div>
<div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="preprocessor">#ifdef __cplusplus</span></div>
<div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="preprocessor"></span><span class="keyword">extern</span> <span class="stringliteral">"C"</span> {</div>
<div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="preprocessor">#endif</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 "<a class="code" href="apr_8h.html">apr.h</a>"</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="comment">/*** SHA-256 Various Length Definitions ***********************/</span></div>
<div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="preprocessor">#define SHA256_BLOCK_LENGTH 64</span></div>
<div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <span class="preprocessor"></span><span class="preprocessor">#define SHA256_DIGEST_LENGTH 32</span></div>
<div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="preprocessor"></span><span class="preprocessor">#define SHA256_DIGEST_STRING_LENGTH (SHA256_DIGEST_LENGTH * 2 + 1)</span></div>
<div class="line"><a name="l00036"></a><span class="lineno"> 36</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00037"></a><span class="lineno"> 37</span> </div>
<div class="line"><a name="l00038"></a><span class="lineno"> 38</span> <span class="comment">/*** SHA-256/384/512 Context Structures *******************************/</span></div>
<div class="line"><a name="l00039"></a><span class="lineno"><a class="line" href="struct___s_h_a256___c_t_x.html"> 39</a></span> <span class="keyword">typedef</span> <span class="keyword">struct </span><a class="code" href="struct___s_h_a256___c_t_x.html">_SHA256_CTX</a> {</div>
<div class="line"><a name="l00040"></a><span class="lineno"> 40</span>  apr_uint32_t state[8];</div>
<div class="line"><a name="l00041"></a><span class="lineno"> 41</span>  apr_uint64_t bitcount;</div>
<div class="line"><a name="l00042"></a><span class="lineno"> 42</span>  apr_byte_t buffer[SHA256_BLOCK_LENGTH];</div>
<div class="line"><a name="l00043"></a><span class="lineno"> 43</span> } <a class="code" href="struct___s_h_a256___c_t_x.html">SHA256_CTX</a>;</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> </div>
<div class="line"><a name="l00046"></a><span class="lineno"> 46</span> <span class="comment">/*** SHA-256/384/512 Function Prototypes ******************************/</span></div>
<div class="line"><a name="l00047"></a><span class="lineno"> 47</span> <span class="keywordtype">void</span> apr__SHA256_Init(<a class="code" href="struct___s_h_a256___c_t_x.html">SHA256_CTX</a> *);</div>
<div class="line"><a name="l00048"></a><span class="lineno"> 48</span> <span class="keywordtype">void</span> apr__SHA256_Update(<a class="code" href="struct___s_h_a256___c_t_x.html">SHA256_CTX</a> *, <span class="keyword">const</span> apr_byte_t *, <span class="keywordtype">size_t</span>);</div>
<div class="line"><a name="l00049"></a><span class="lineno"> 49</span> <span class="keywordtype">void</span> apr__SHA256_Final(apr_byte_t [SHA256_DIGEST_LENGTH], <a class="code" href="struct___s_h_a256___c_t_x.html">SHA256_CTX</a> *);</div>
<div class="line"><a name="l00050"></a><span class="lineno"> 50</span> <span class="keywordtype">char</span>* apr__SHA256_End(<a class="code" href="struct___s_h_a256___c_t_x.html">SHA256_CTX</a> *, <span class="keywordtype">char</span> [SHA256_DIGEST_STRING_LENGTH]);</div>
<div class="line"><a name="l00051"></a><span class="lineno"> 51</span> <span class="keywordtype">char</span>* apr__SHA256_Data(<span class="keyword">const</span> apr_byte_t *, <span class="keywordtype">size_t</span>,</div>
<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  <span class="keywordtype">char</span> [SHA256_DIGEST_STRING_LENGTH]);</div>
<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  </div>
<div class="line"><a name="l00054"></a><span class="lineno"> 54</span> <span class="preprocessor">#ifdef __cplusplus</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"> 56</span> <span class="preprocessor">#endif </span><span class="comment">/* __cplusplus */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00057"></a><span class="lineno"> 57</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00058"></a><span class="lineno"> 58</span> <span class="preprocessor">#endif </span><span class="comment">/* __SHA2_H__ */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00059"></a><span class="lineno"> 59</span> <span class="preprocessor"></span></div>
<div class="ttc" id="apr_8h_html"><div class="ttname"><a href="apr_8h.html">apr.h</a></div><div class="ttdoc">APR Platform Definitions. </div></div>
<div class="ttc" id="struct___s_h_a256___c_t_x_html"><div class="ttname"><a href="struct___s_h_a256___c_t_x.html">_SHA256_CTX</a></div><div class="ttdef"><b>Definition:</b> sha2.h:39</div></div>
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