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<a href="hmac__sha256_8cpp.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">// Copyright (c) 2014 The Bitcoin Core developers</span></div><div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment">// Distributed under the MIT software license, see the accompanying</span></div><div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment">// file COPYING or http://www.opensource.org/licenses/mit-license.php.</span></div><div class="line"><a name="l00004"></a><span class="lineno"> 4</span> </div><div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="preprocessor">#include "<a class="code" href="hmac__sha256_8h.html">crypto/hmac_sha256.h</a>"</span></div><div class="line"><a name="l00006"></a><span class="lineno"> 6</span> </div><div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="preprocessor">#include <string.h></span></div><div class="line"><a name="l00008"></a><span class="lineno"> 8</span> </div><div class="line"><a name="l00009"></a><span class="lineno"><a class="line" href="classCHMAC__SHA256.html#a63236821773ad9edb3fba4623eef39b2"> 9</a></span> <a class="code" href="classCHMAC__SHA256.html#a63236821773ad9edb3fba4623eef39b2">CHMAC_SHA256::CHMAC_SHA256</a>(<span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span>* <a class="code" href="namespaceextract__strings__qt.html#a1b7a78cde0039f63310f11692b713dca">key</a>, <span class="keywordtype">size_t</span> keylen)</div><div class="line"><a name="l00010"></a><span class="lineno"> 10</span> {</div><div class="line"><a name="l00011"></a><span class="lineno"> 11</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> rkey[64];</div><div class="line"><a name="l00012"></a><span class="lineno"> 12</span>  <span class="keywordflow">if</span> (keylen <= 64) {</div><div class="line"><a name="l00013"></a><span class="lineno"> 13</span>  <a class="code" href="glibc__compat_8cpp.html#a0f46826ab0466591e136db24394923cf">memcpy</a>(rkey, <a class="code" href="namespaceextract__strings__qt.html#a1b7a78cde0039f63310f11692b713dca">key</a>, keylen);</div><div class="line"><a name="l00014"></a><span class="lineno"> 14</span>  memset(rkey + keylen, 0, 64 - keylen);</div><div class="line"><a name="l00015"></a><span class="lineno"> 15</span>  } <span class="keywordflow">else</span> {</div><div class="line"><a name="l00016"></a><span class="lineno"> 16</span>  <a class="code" href="classCSHA256.html">CSHA256</a>().<a class="code" href="classCSHA256.html#a9d7de520a562655da85349372820c883">Write</a>(<a class="code" href="namespaceextract__strings__qt.html#a1b7a78cde0039f63310f11692b713dca">key</a>, keylen).<a class="code" href="classCSHA256.html#a4259230be0caefa590bc324fc12b9b90">Finalize</a>(rkey);</div><div class="line"><a name="l00017"></a><span class="lineno"> 17</span>  memset(rkey + 32, 0, 32);</div><div class="line"><a name="l00018"></a><span class="lineno"> 18</span>  }</div><div class="line"><a name="l00019"></a><span class="lineno"> 19</span> </div><div class="line"><a name="l00020"></a><span class="lineno"> 20</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> <a class="code" href="namespacefix-copyright-headers.html#aed10e06fbf20b2e50f73ff2d61f59e45">n</a> = 0; <a class="code" href="namespacefix-copyright-headers.html#aed10e06fbf20b2e50f73ff2d61f59e45">n</a> < 64; <a class="code" href="namespacefix-copyright-headers.html#aed10e06fbf20b2e50f73ff2d61f59e45">n</a>++)</div><div class="line"><a name="l00021"></a><span class="lineno"> 21</span>  rkey[<a class="code" href="namespacefix-copyright-headers.html#aed10e06fbf20b2e50f73ff2d61f59e45">n</a>] ^= 0x5c;</div><div class="line"><a name="l00022"></a><span class="lineno"> 22</span>  <a class="code" href="classCHMAC__SHA256.html#a9ca3643194a1a1d842038bac559f298a">outer</a>.<a class="code" href="classCSHA256.html#a9d7de520a562655da85349372820c883">Write</a>(rkey, 64);</div><div class="line"><a name="l00023"></a><span class="lineno"> 23</span> </div><div class="line"><a name="l00024"></a><span class="lineno"> 24</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> <a class="code" href="namespacefix-copyright-headers.html#aed10e06fbf20b2e50f73ff2d61f59e45">n</a> = 0; <a class="code" href="namespacefix-copyright-headers.html#aed10e06fbf20b2e50f73ff2d61f59e45">n</a> < 64; <a class="code" href="namespacefix-copyright-headers.html#aed10e06fbf20b2e50f73ff2d61f59e45">n</a>++)</div><div class="line"><a name="l00025"></a><span class="lineno"> 25</span>  rkey[<a class="code" href="namespacefix-copyright-headers.html#aed10e06fbf20b2e50f73ff2d61f59e45">n</a>] ^= 0x5c ^ 0x36;</div><div class="line"><a name="l00026"></a><span class="lineno"> 26</span>  <a class="code" href="classCHMAC__SHA256.html#a87157e337f8777ee60e9e5c76aa8375e">inner</a>.<a class="code" href="classCSHA256.html#a9d7de520a562655da85349372820c883">Write</a>(rkey, 64);</div><div class="line"><a name="l00027"></a><span class="lineno"> 27</span> }</div><div class="line"><a name="l00028"></a><span class="lineno"> 28</span> </div><div class="line"><a name="l00029"></a><span class="lineno"><a class="line" href="classCHMAC__SHA256.html#a1cc600fd485b79dc52e11b12635c6dbe"> 29</a></span> <span class="keywordtype">void</span> <a class="code" href="classCHMAC__SHA256.html#a1cc600fd485b79dc52e11b12635c6dbe">CHMAC_SHA256::Finalize</a>(<span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> hash[OUTPUT_SIZE])</div><div class="line"><a name="l00030"></a><span class="lineno"> 30</span> {</div><div class="line"><a name="l00031"></a><span class="lineno"> 31</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> temp[32];</div><div class="line"><a name="l00032"></a><span class="lineno"> 32</span>  <a class="code" href="classCHMAC__SHA256.html#a87157e337f8777ee60e9e5c76aa8375e">inner</a>.<a class="code" href="classCSHA256.html#a4259230be0caefa590bc324fc12b9b90">Finalize</a>(temp);</div><div class="line"><a name="l00033"></a><span class="lineno"> 33</span>  <a class="code" href="classCHMAC__SHA256.html#a9ca3643194a1a1d842038bac559f298a">outer</a>.<a class="code" href="classCSHA256.html#a9d7de520a562655da85349372820c883">Write</a>(temp, 32).<a class="code" href="classCSHA256.html#a4259230be0caefa590bc324fc12b9b90">Finalize</a>(hash);</div><div class="line"><a name="l00034"></a><span class="lineno"> 34</span> }</div><div class="ttc" id="classCSHA256_html_a4259230be0caefa590bc324fc12b9b90"><div class="ttname"><a href="classCSHA256.html#a4259230be0caefa590bc324fc12b9b90">CSHA256::Finalize</a></div><div class="ttdeci">void Finalize(unsigned char hash[OUTPUT_SIZE])</div><div class="ttdef"><b>Definition:</b> <a href="sha256_8cpp_source.html#l00167">sha256.cpp:167</a></div></div>
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<div class="ttc" id="classCHMAC__SHA256_html_a63236821773ad9edb3fba4623eef39b2"><div class="ttname"><a href="classCHMAC__SHA256.html#a63236821773ad9edb3fba4623eef39b2">CHMAC_SHA256::CHMAC_SHA256</a></div><div class="ttdeci">CHMAC_SHA256(const unsigned char *key, size_t keylen)</div><div class="ttdef"><b>Definition:</b> <a href="hmac__sha256_8cpp_source.html#l00009">hmac_sha256.cpp:9</a></div></div>
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<div class="ttc" id="hmac__sha256_8h_html"><div class="ttname"><a href="hmac__sha256_8h.html">hmac_sha256.h</a></div></div>
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<div class="ttc" id="namespacefix-copyright-headers_html_aed10e06fbf20b2e50f73ff2d61f59e45"><div class="ttname"><a href="namespacefix-copyright-headers.html#aed10e06fbf20b2e50f73ff2d61f59e45">fix-copyright-headers.n</a></div><div class="ttdeci">int n</div><div class="ttdef"><b>Definition:</b> <a href="fix-copyright-headers_8py_source.html#l00046">fix-copyright-headers.py:46</a></div></div>
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<div class="ttc" id="classCHMAC__SHA256_html_a87157e337f8777ee60e9e5c76aa8375e"><div class="ttname"><a href="classCHMAC__SHA256.html#a87157e337f8777ee60e9e5c76aa8375e">CHMAC_SHA256::inner</a></div><div class="ttdeci">CSHA256 inner</div><div class="ttdef"><b>Definition:</b> <a href="hmac__sha256_8h_source.html#l00018">hmac_sha256.h:18</a></div></div>
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<div class="ttc" id="classCHMAC__SHA256_html_a1cc600fd485b79dc52e11b12635c6dbe"><div class="ttname"><a href="classCHMAC__SHA256.html#a1cc600fd485b79dc52e11b12635c6dbe">CHMAC_SHA256::Finalize</a></div><div class="ttdeci">void Finalize(unsigned char hash[OUTPUT_SIZE])</div><div class="ttdef"><b>Definition:</b> <a href="hmac__sha256_8cpp_source.html#l00029">hmac_sha256.cpp:29</a></div></div>
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<div class="ttc" id="classCSHA256_html_a9d7de520a562655da85349372820c883"><div class="ttname"><a href="classCSHA256.html#a9d7de520a562655da85349372820c883">CSHA256::Write</a></div><div class="ttdeci">CSHA256 & Write(const unsigned char *data, size_t len)</div><div class="ttdef"><b>Definition:</b> <a href="sha256_8cpp_source.html#l00141">sha256.cpp:141</a></div></div>
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<div class="ttc" id="glibc__compat_8cpp_html_a0f46826ab0466591e136db24394923cf"><div class="ttname"><a href="glibc__compat_8cpp.html#a0f46826ab0466591e136db24394923cf">memcpy</a></div><div class="ttdeci">void * memcpy(void *a, const void *b, size_t c)</div><div class="ttdef"><b>Definition:</b> <a href="glibc__compat_8cpp_source.html#l00017">glibc_compat.cpp:17</a></div></div>
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<div class="ttc" id="classCHMAC__SHA256_html_a9ca3643194a1a1d842038bac559f298a"><div class="ttname"><a href="classCHMAC__SHA256.html#a9ca3643194a1a1d842038bac559f298a">CHMAC_SHA256::outer</a></div><div class="ttdeci">CSHA256 outer</div><div class="ttdef"><b>Definition:</b> <a href="hmac__sha256_8h_source.html#l00017">hmac_sha256.h:17</a></div></div>
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<div class="ttc" id="classCSHA256_html"><div class="ttname"><a href="classCSHA256.html">CSHA256</a></div><div class="ttdef"><b>Definition:</b> <a href="sha256_8h_source.html#l00012">sha256.h:12</a></div></div>
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<div class="ttc" id="namespaceextract__strings__qt_html_a1b7a78cde0039f63310f11692b713dca"><div class="ttname"><a href="namespaceextract__strings__qt.html#a1b7a78cde0039f63310f11692b713dca">extract_strings_qt.key</a></div><div class="ttdeci">key</div><div class="ttdef"><b>Definition:</b> <a href="extract__strings__qt_8py_source.html#l00073">extract_strings_qt.py:73</a></div></div>
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