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<a href="#pub-methods">Public Member Functions</a> |
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<a href="classBLAKE2s-members.html">List of all members</a> </div>
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<div class="headertitle">
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<div class="title">BLAKE2s Class Reference</div> </div>
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<p><a class="el" href="classBLAKE2s.html" title="BLAKE2s hash algorithm. ">BLAKE2s</a> hash algorithm.
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<a href="classBLAKE2s.html#details">More...</a></p>
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<p><code>#include <<a class="el" href="BLAKE2s_8h_source.html">BLAKE2s.h</a>></code></p>
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Inheritance diagram for BLAKE2s:</div>
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<area href="classHash.html" title="Abstract base class for cryptographic hash algorithms. " alt="Hash" shape="rect" coords="0,0,65,24"/>
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<table class="memberdecls">
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-methods"></a>
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Public Member Functions</h2></td></tr>
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<tr class="memitem:a7345f4e08c19d7a8c278282b46df21a2"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a7345f4e08c19d7a8c278282b46df21a2"></a>
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 </td><td class="memItemRight" valign="bottom"><a class="el" href="classBLAKE2s.html#a7345f4e08c19d7a8c278282b46df21a2">BLAKE2s</a> ()</td></tr>
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<tr class="memdesc:a7345f4e08c19d7a8c278282b46df21a2"><td class="mdescLeft"> </td><td class="mdescRight">Constructs a <a class="el" href="classBLAKE2s.html" title="BLAKE2s hash algorithm. ">BLAKE2s</a> hash object. <br/></td></tr>
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<tr class="separator:a7345f4e08c19d7a8c278282b46df21a2"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a4b3187ecaa3d3c8febfbb40c0f779aa7"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a4b3187ecaa3d3c8febfbb40c0f779aa7"></a>
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virtual </td><td class="memItemRight" valign="bottom"><a class="el" href="classBLAKE2s.html#a4b3187ecaa3d3c8febfbb40c0f779aa7">~BLAKE2s</a> ()</td></tr>
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<tr class="memdesc:a4b3187ecaa3d3c8febfbb40c0f779aa7"><td class="mdescLeft"> </td><td class="mdescRight">Destroys this <a class="el" href="classBLAKE2s.html" title="BLAKE2s hash algorithm. ">BLAKE2s</a> hash object after clearing sensitive information. <br/></td></tr>
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<tr class="separator:a4b3187ecaa3d3c8febfbb40c0f779aa7"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:af9f50aac096f92ba27b1b2dd48df4c52"><td class="memItemLeft" align="right" valign="top">size_t </td><td class="memItemRight" valign="bottom"><a class="el" href="classBLAKE2s.html#af9f50aac096f92ba27b1b2dd48df4c52">hashSize</a> () const </td></tr>
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<tr class="memdesc:af9f50aac096f92ba27b1b2dd48df4c52"><td class="mdescLeft"> </td><td class="mdescRight">Size of the hash result from <a class="el" href="classBLAKE2s.html#a751a3d772cbe1cd1dad83dbd09853b1b" title="Finalizes the hashing process and returns the hash. ">finalize()</a>. <a href="#af9f50aac096f92ba27b1b2dd48df4c52">More...</a><br/></td></tr>
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<tr class="separator:af9f50aac096f92ba27b1b2dd48df4c52"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a9b5403734c20a0591d72a98912e4a305"><td class="memItemLeft" align="right" valign="top">size_t </td><td class="memItemRight" valign="bottom"><a class="el" href="classBLAKE2s.html#a9b5403734c20a0591d72a98912e4a305">blockSize</a> () const </td></tr>
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<tr class="memdesc:a9b5403734c20a0591d72a98912e4a305"><td class="mdescLeft"> </td><td class="mdescRight">Size of the internal block used by the hash algorithm. <a href="#a9b5403734c20a0591d72a98912e4a305">More...</a><br/></td></tr>
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<tr class="separator:a9b5403734c20a0591d72a98912e4a305"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a778776d15316c182fdb2df5a89b3ca02"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classBLAKE2s.html#a778776d15316c182fdb2df5a89b3ca02">reset</a> ()</td></tr>
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<tr class="memdesc:a778776d15316c182fdb2df5a89b3ca02"><td class="mdescLeft"> </td><td class="mdescRight">Resets the hash ready for a new hashing process. <a href="#a778776d15316c182fdb2df5a89b3ca02">More...</a><br/></td></tr>
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<tr class="separator:a778776d15316c182fdb2df5a89b3ca02"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a91ba6bc39e42002ac61114ced1d0af6d"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classBLAKE2s.html#a91ba6bc39e42002ac61114ced1d0af6d">reset</a> (uint8_t outputLength)</td></tr>
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<tr class="memdesc:a91ba6bc39e42002ac61114ced1d0af6d"><td class="mdescLeft"> </td><td class="mdescRight">Resets the hash ready for a new hashing process with a specified output length. <a href="#a91ba6bc39e42002ac61114ced1d0af6d">More...</a><br/></td></tr>
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<tr class="separator:a91ba6bc39e42002ac61114ced1d0af6d"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:aa192da2fa044b03cccaf11e87fdf9911"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classBLAKE2s.html#aa192da2fa044b03cccaf11e87fdf9911">update</a> (const void *data, size_t len)</td></tr>
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<tr class="memdesc:aa192da2fa044b03cccaf11e87fdf9911"><td class="mdescLeft"> </td><td class="mdescRight">Updates the hash with more data. <a href="#aa192da2fa044b03cccaf11e87fdf9911">More...</a><br/></td></tr>
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<tr class="separator:aa192da2fa044b03cccaf11e87fdf9911"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a751a3d772cbe1cd1dad83dbd09853b1b"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classBLAKE2s.html#a751a3d772cbe1cd1dad83dbd09853b1b">finalize</a> (void *hash, size_t len)</td></tr>
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<tr class="memdesc:a751a3d772cbe1cd1dad83dbd09853b1b"><td class="mdescLeft"> </td><td class="mdescRight">Finalizes the hashing process and returns the hash. <a href="#a751a3d772cbe1cd1dad83dbd09853b1b">More...</a><br/></td></tr>
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<tr class="separator:a751a3d772cbe1cd1dad83dbd09853b1b"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a0848885f52df51dc53949d32a206e72d"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classBLAKE2s.html#a0848885f52df51dc53949d32a206e72d">clear</a> ()</td></tr>
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<tr class="memdesc:a0848885f52df51dc53949d32a206e72d"><td class="mdescLeft"> </td><td class="mdescRight">Clears the hash state, removing all sensitive data, and then resets the hash ready for a new hashing process. <a href="#a0848885f52df51dc53949d32a206e72d">More...</a><br/></td></tr>
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<tr class="separator:a0848885f52df51dc53949d32a206e72d"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="inherit_header pub_methods_classHash"><td colspan="2" onclick="javascript:toggleInherit('pub_methods_classHash')"><img src="closed.png" alt="-"/> Public Member Functions inherited from <a class="el" href="classHash.html">Hash</a></td></tr>
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<tr class="memitem:af482880ad75b67a09d2dcb5e86244d80 inherit pub_methods_classHash"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="af482880ad75b67a09d2dcb5e86244d80"></a>
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 </td><td class="memItemRight" valign="bottom"><a class="el" href="classHash.html#af482880ad75b67a09d2dcb5e86244d80">Hash</a> ()</td></tr>
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<tr class="memdesc:af482880ad75b67a09d2dcb5e86244d80 inherit pub_methods_classHash"><td class="mdescLeft"> </td><td class="mdescRight">Constructs a new hash object. <br/></td></tr>
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<tr class="separator:af482880ad75b67a09d2dcb5e86244d80 inherit pub_methods_classHash"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a4e4b4797dda8678aaed058bae155813e inherit pub_methods_classHash"><td class="memItemLeft" align="right" valign="top">virtual </td><td class="memItemRight" valign="bottom"><a class="el" href="classHash.html#a4e4b4797dda8678aaed058bae155813e">~Hash</a> ()</td></tr>
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<tr class="memdesc:a4e4b4797dda8678aaed058bae155813e inherit pub_methods_classHash"><td class="mdescLeft"> </td><td class="mdescRight">Destroys this hash object. <a href="#a4e4b4797dda8678aaed058bae155813e">More...</a><br/></td></tr>
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<tr class="separator:a4e4b4797dda8678aaed058bae155813e inherit pub_methods_classHash"><td class="memSeparator" colspan="2"> </td></tr>
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</table>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
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<div class="textblock"><p><a class="el" href="classBLAKE2s.html" title="BLAKE2s hash algorithm. ">BLAKE2s</a> hash algorithm. </p>
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<p><a class="el" href="classBLAKE2s.html" title="BLAKE2s hash algorithm. ">BLAKE2s</a> is a variation on the <a class="el" href="classChaCha.html" title="ChaCha stream cipher. ">ChaCha</a> stream cipher, designed for hashing, with a 256-bit hash output. It is intended as a high performance replacement for <a class="el" href="classSHA256.html" title="SHA-256 hash algorithm. ">SHA256</a> for when speed is critical but exact <a class="el" href="classSHA256.html" title="SHA-256 hash algorithm. ">SHA256</a> compatibility is not.</p>
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<p>Reference: <a href="https://blake2.net/">https://blake2.net/</a></p>
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<dl class="section see"><dt>See Also</dt><dd><a class="el" href="classSHA256.html" title="SHA-256 hash algorithm. ">SHA256</a> </dd></dl>
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<p>Definition at line <a class="el" href="BLAKE2s_8h_source.html#l00028">28</a> of file <a class="el" href="BLAKE2s_8h_source.html">BLAKE2s.h</a>.</p>
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</div><h2 class="groupheader">Member Function Documentation</h2>
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<td class="memname">size_t BLAKE2s::blockSize </td>
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<td>(</td>
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<p>Size of the internal block used by the hash algorithm. </p>
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<dl class="section see"><dt>See Also</dt><dd><a class="el" href="classBLAKE2s.html#aa192da2fa044b03cccaf11e87fdf9911" title="Updates the hash with more data. ">update()</a>, <a class="el" href="classBLAKE2s.html#af9f50aac096f92ba27b1b2dd48df4c52" title="Size of the hash result from finalize(). ">hashSize()</a> </dd></dl>
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<p>Implements <a class="el" href="classHash.html#a4e4297812e3483410556830fe5d47bdf">Hash</a>.</p>
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<p>Definition at line <a class="el" href="BLAKE2s_8cpp_source.html#l00066">66</a> of file <a class="el" href="BLAKE2s_8cpp_source.html">BLAKE2s.cpp</a>.</p>
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<td class="memname">void BLAKE2s::clear </td>
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<td>(</td>
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<p>Clears the hash state, removing all sensitive data, and then resets the hash ready for a new hashing process. </p>
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<dl class="section see"><dt>See Also</dt><dd><a class="el" href="classBLAKE2s.html#a778776d15316c182fdb2df5a89b3ca02" title="Resets the hash ready for a new hashing process. ">reset()</a> </dd></dl>
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<p>Implements <a class="el" href="classHash.html#a4a959469433cd9348ab7f3ac6228bb34">Hash</a>.</p>
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<p>Definition at line <a class="el" href="BLAKE2s_8cpp_source.html#l00164">164</a> of file <a class="el" href="BLAKE2s_8cpp_source.html">BLAKE2s.cpp</a>.</p>
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<td class="memname">void BLAKE2s::finalize </td>
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<td>(</td>
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<td class="paramname"><em>hash</em>, </td>
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<span class="mlabels"><span class="mlabel">virtual</span></span> </td>
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<p>Finalizes the hashing process and returns the hash. </p>
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<dl class="params"><dt>Parameters</dt><dd>
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<table class="params">
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<tr><td class="paramname">hash</td><td>The buffer to return the hash value in. </td></tr>
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<tr><td class="paramname">len</td><td>The length of the <em>hash</em> buffer, normally <a class="el" href="classBLAKE2s.html#af9f50aac096f92ba27b1b2dd48df4c52" title="Size of the hash result from finalize(). ">hashSize()</a>.</td></tr>
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</dd>
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<p>If <em>len</em> is less than <a class="el" href="classBLAKE2s.html#af9f50aac096f92ba27b1b2dd48df4c52" title="Size of the hash result from finalize(). ">hashSize()</a>, then the hash value will be truncated to the first <em>len</em> bytes. If <em>len</em> is greater than <a class="el" href="classBLAKE2s.html#af9f50aac096f92ba27b1b2dd48df4c52" title="Size of the hash result from finalize(). ">hashSize()</a>, then the remaining bytes will left unchanged.</p>
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<p>If <a class="el" href="classBLAKE2s.html#a751a3d772cbe1cd1dad83dbd09853b1b" title="Finalizes the hashing process and returns the hash. ">finalize()</a> is called again, the same hash value is returned again until the next call to <a class="el" href="classBLAKE2s.html#a778776d15316c182fdb2df5a89b3ca02" title="Resets the hash ready for a new hashing process. ">reset()</a> or <a class="el" href="classBLAKE2s.html#aa192da2fa044b03cccaf11e87fdf9911" title="Updates the hash with more data. ">update()</a>.</p>
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<dl class="section see"><dt>See Also</dt><dd><a class="el" href="classBLAKE2s.html#a778776d15316c182fdb2df5a89b3ca02" title="Resets the hash ready for a new hashing process. ">reset()</a>, <a class="el" href="classBLAKE2s.html#aa192da2fa044b03cccaf11e87fdf9911" title="Updates the hash with more data. ">update()</a> </dd></dl>
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<p>Implements <a class="el" href="classHash.html#a09b3ccec22763fc86b1415695862977c">Hash</a>.</p>
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<p>Definition at line <a class="el" href="BLAKE2s_8cpp_source.html#l00144">144</a> of file <a class="el" href="BLAKE2s_8cpp_source.html">BLAKE2s.cpp</a>.</p>
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<a class="anchor" id="af9f50aac096f92ba27b1b2dd48df4c52"></a>
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<div class="memitem">
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<td class="memname">size_t BLAKE2s::hashSize </td>
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<td>(</td>
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<td class="paramname"></td><td>)</td>
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<td> const</td>
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<td class="mlabels-right">
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<span class="mlabels"><span class="mlabel">virtual</span></span> </td>
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<p>Size of the hash result from <a class="el" href="classBLAKE2s.html#a751a3d772cbe1cd1dad83dbd09853b1b" title="Finalizes the hashing process and returns the hash. ">finalize()</a>. </p>
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<dl class="section see"><dt>See Also</dt><dd><a class="el" href="classBLAKE2s.html#a751a3d772cbe1cd1dad83dbd09853b1b" title="Finalizes the hashing process and returns the hash. ">finalize()</a>, <a class="el" href="classBLAKE2s.html#a9b5403734c20a0591d72a98912e4a305" title="Size of the internal block used by the hash algorithm. ">blockSize()</a> </dd></dl>
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<p>Implements <a class="el" href="classHash.html#adcdd30de3e5ecaa2f798c0c5644d9ef8">Hash</a>.</p>
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<p>Definition at line <a class="el" href="BLAKE2s_8cpp_source.html#l00061">61</a> of file <a class="el" href="BLAKE2s_8cpp_source.html">BLAKE2s.cpp</a>.</p>
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<a class="anchor" id="a778776d15316c182fdb2df5a89b3ca02"></a>
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<td class="memname">void BLAKE2s::reset </td>
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<td>(</td>
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<td class="paramname"></td><td>)</td>
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<td></td>
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<span class="mlabels"><span class="mlabel">virtual</span></span> </td>
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<p>Resets the hash ready for a new hashing process. </p>
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<dl class="section see"><dt>See Also</dt><dd><a class="el" href="classBLAKE2s.html#aa192da2fa044b03cccaf11e87fdf9911" title="Updates the hash with more data. ">update()</a>, <a class="el" href="classBLAKE2s.html#a751a3d772cbe1cd1dad83dbd09853b1b" title="Finalizes the hashing process and returns the hash. ">finalize()</a> </dd></dl>
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<p>Implements <a class="el" href="classHash.html#a7b94309acaa5f52386785fb780e5be61">Hash</a>.</p>
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<p>Definition at line <a class="el" href="BLAKE2s_8cpp_source.html#l00081">81</a> of file <a class="el" href="BLAKE2s_8cpp_source.html">BLAKE2s.cpp</a>.</p>
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<td class="memname">void BLAKE2s::reset </td>
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<td>(</td>
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<td class="paramtype">uint8_t </td>
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<td class="paramname"><em>outputLength</em></td><td>)</td>
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<td></td>
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</div><div class="memdoc">
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<p>Resets the hash ready for a new hashing process with a specified output length. </p>
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<dl class="params"><dt>Parameters</dt><dd>
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<table class="params">
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<tr><td class="paramname">outputLength</td><td>The output length to use for the final hash in bytes, between 1 and 32. </td></tr>
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</table>
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</dd>
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</dl>
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<p>Definition at line <a class="el" href="BLAKE2s_8cpp_source.html#l00103">103</a> of file <a class="el" href="BLAKE2s_8cpp_source.html">BLAKE2s.cpp</a>.</p>
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<a class="anchor" id="aa192da2fa044b03cccaf11e87fdf9911"></a>
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<td class="memname">void BLAKE2s::update </td>
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<td>(</td>
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<td class="paramtype">const void * </td>
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<td class="paramname"><em>data</em>, </td>
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</tr>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype">size_t </td>
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<td class="paramname"><em>len</em> </td>
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</tr>
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<tr>
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<td></td>
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<td>)</td>
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<td></td><td></td>
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</tr>
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</table>
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</td>
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<td class="mlabels-right">
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<span class="mlabels"><span class="mlabel">virtual</span></span> </td>
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</div><div class="memdoc">
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<p>Updates the hash with more data. </p>
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<dl class="params"><dt>Parameters</dt><dd>
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<table class="params">
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<tr><td class="paramname">data</td><td>Data to be hashed. </td></tr>
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<tr><td class="paramname">len</td><td>Number of bytes of data to be hashed.</td></tr>
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</table>
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</dd>
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</dl>
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<p>If <a class="el" href="classBLAKE2s.html#a751a3d772cbe1cd1dad83dbd09853b1b" title="Finalizes the hashing process and returns the hash. ">finalize()</a> has already been called, then calling <a class="el" href="classBLAKE2s.html#aa192da2fa044b03cccaf11e87fdf9911" title="Updates the hash with more data. ">update()</a> will <a class="el" href="classBLAKE2s.html#a778776d15316c182fdb2df5a89b3ca02" title="Resets the hash ready for a new hashing process. ">reset()</a> the hash and start a new hashing process.</p>
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<dl class="section see"><dt>See Also</dt><dd><a class="el" href="classBLAKE2s.html#a778776d15316c182fdb2df5a89b3ca02" title="Resets the hash ready for a new hashing process. ">reset()</a>, <a class="el" href="classBLAKE2s.html#a751a3d772cbe1cd1dad83dbd09853b1b" title="Finalizes the hashing process and returns the hash. ">finalize()</a> </dd></dl>
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<p>Implements <a class="el" href="classHash.html#aec9761ee427d122e7450de8df200265c">Hash</a>.</p>
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<p>Definition at line <a class="el" href="BLAKE2s_8cpp_source.html#l00118">118</a> of file <a class="el" href="BLAKE2s_8cpp_source.html">BLAKE2s.cpp</a>.</p>
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</div>
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</div>
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<hr/>The documentation for this class was generated from the following files:<ul>
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<li><a class="el" href="BLAKE2s_8h_source.html">BLAKE2s.h</a></li>
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<li><a class="el" href="BLAKE2s_8cpp_source.html">BLAKE2s.cpp</a></li>
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</ul>
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