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<title>Crypto++: SHA3 Class Reference</title>
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<div id="projectname">Crypto++
 <span id="projectnumber">7.0</span>
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<div id="projectbrief">Free C++ class library of cryptographic schemes</div>
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<a href="#pub-methods">Public Member Functions</a> |
<a href="#pub-static-methods">Static Public Member Functions</a> |
<a href="class_s_h_a3-members.html">List of all members</a> </div>
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<div class="title">SHA3 Class Reference</div> </div>
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<p><a class="el" href="class_s_h_a3.html" title="SHA3 message digest base class.">SHA3</a> message digest base class.
<a href="class_s_h_a3.html#details">More...</a></p>
<div id="dynsection-0" onclick="return toggleVisibility(this)" class="dynheader closed" style="cursor:pointer;">
<img id="dynsection-0-trigger" src="closed.png" alt="+"/> Inheritance diagram for SHA3:</div>
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<img src="class_s_h_a3.png" usemap="#SHA3_map" alt=""/>
<map id="SHA3_map" name="SHA3_map">
<area href="class_hash_transformation.html" title="Interface for hash functions and data processing part of MACs." alt="HashTransformation" shape="rect" coords="374,112,551,136"/>
<area href="class_algorithm.html" title="Interface for all crypto algorithms." alt="Algorithm" shape="rect" coords="374,56,551,80"/>
<area href="class_clonable.html" title="Interface for cloning objects." alt="Clonable" shape="rect" coords="374,0,551,24"/>
<area href="class_s_h_a3___final.html" title="SHA3 message digest template." alt="SHA3_Final< T_DigestSize >" shape="rect" coords="0,224,177,248"/>
<area href="class_s_h_a3___final.html" alt="SHA3_Final< 28 >" shape="rect" coords="187,224,364,248"/>
<area href="class_s_h_a3___final.html" alt="SHA3_Final< 32 >" shape="rect" coords="374,224,551,248"/>
<area href="class_s_h_a3___final.html" alt="SHA3_Final< 48 >" shape="rect" coords="561,224,738,248"/>
<area href="class_s_h_a3___final.html" alt="SHA3_Final< 64 >" shape="rect" coords="748,224,925,248"/>
<area href="class_s_h_a3__224.html" title="SHA3-224 message digest." alt="SHA3_224" shape="rect" coords="187,280,364,304"/>
<area href="class_s_h_a3__256.html" title="SHA3-256 message digest." alt="SHA3_256" shape="rect" coords="374,280,551,304"/>
<area href="class_s_h_a3__384.html" title="SHA3-384 message digest." alt="SHA3_384" shape="rect" coords="561,280,738,304"/>
<area href="class_s_h_a3__512.html" title="SHA3-512 message digest." alt="SHA3_512" shape="rect" coords="748,280,925,304"/>
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<table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-methods"></a>
Public Member Functions</h2></td></tr>
<tr class="memitem:ac87e2ec668f4ed5b63cb4591353f9353"><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="class_s_h_a3.html#ac87e2ec668f4ed5b63cb4591353f9353">SHA3</a> (unsigned int digestSize)</td></tr>
<tr class="memdesc:ac87e2ec668f4ed5b63cb4591353f9353"><td class="mdescLeft"> </td><td class="mdescRight">Construct a <a class="el" href="class_s_h_a3.html" title="SHA3 message digest base class.">SHA3</a>. <a href="#ac87e2ec668f4ed5b63cb4591353f9353">More...</a><br /></td></tr>
<tr class="separator:ac87e2ec668f4ed5b63cb4591353f9353"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a9cc793a29f4c3f9f7d347df9a6f70fd4"><td class="memItemLeft" align="right" valign="top">unsigned int </td><td class="memItemRight" valign="bottom"><a class="el" href="class_s_h_a3.html#a9cc793a29f4c3f9f7d347df9a6f70fd4">DigestSize</a> () const</td></tr>
<tr class="memdesc:a9cc793a29f4c3f9f7d347df9a6f70fd4"><td class="mdescLeft"> </td><td class="mdescRight">Provides the digest size of the hash. <a href="#a9cc793a29f4c3f9f7d347df9a6f70fd4">More...</a><br /></td></tr>
<tr class="separator:a9cc793a29f4c3f9f7d347df9a6f70fd4"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:add2d8c07b4ca5e7ca2e1f867e28a54f1"><td class="memItemLeft" align="right" valign="top">std::string </td><td class="memItemRight" valign="bottom"><a class="el" href="class_s_h_a3.html#add2d8c07b4ca5e7ca2e1f867e28a54f1">AlgorithmName</a> () const</td></tr>
<tr class="memdesc:add2d8c07b4ca5e7ca2e1f867e28a54f1"><td class="mdescLeft"> </td><td class="mdescRight">Provides the name of this algorithm. <a href="#add2d8c07b4ca5e7ca2e1f867e28a54f1">More...</a><br /></td></tr>
<tr class="separator:add2d8c07b4ca5e7ca2e1f867e28a54f1"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a4f8eaef59e2dfe6745865a24c61b63f1"><td class="memItemLeft" align="right" valign="top">unsigned int </td><td class="memItemRight" valign="bottom"><a class="el" href="class_s_h_a3.html#a4f8eaef59e2dfe6745865a24c61b63f1">OptimalDataAlignment</a> () const</td></tr>
<tr class="memdesc:a4f8eaef59e2dfe6745865a24c61b63f1"><td class="mdescLeft"> </td><td class="mdescRight">Provides input and output data alignment for optimal performance. <a href="#a4f8eaef59e2dfe6745865a24c61b63f1">More...</a><br /></td></tr>
<tr class="separator:a4f8eaef59e2dfe6745865a24c61b63f1"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a8b20793010bc9056ede658e8bc48be2a"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_s_h_a3.html#a8b20793010bc9056ede658e8bc48be2a">Update</a> (const byte *input, size_t length)</td></tr>
<tr class="memdesc:a8b20793010bc9056ede658e8bc48be2a"><td class="mdescLeft"> </td><td class="mdescRight">Updates a hash with additional input. <a href="#a8b20793010bc9056ede658e8bc48be2a">More...</a><br /></td></tr>
<tr class="separator:a8b20793010bc9056ede658e8bc48be2a"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:aa7a2855fbda16730e10977a61a7b23ca"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_s_h_a3.html#aa7a2855fbda16730e10977a61a7b23ca">Restart</a> ()</td></tr>
<tr class="memdesc:aa7a2855fbda16730e10977a61a7b23ca"><td class="mdescLeft"> </td><td class="mdescRight">Restart the hash. <a href="#aa7a2855fbda16730e10977a61a7b23ca">More...</a><br /></td></tr>
<tr class="separator:aa7a2855fbda16730e10977a61a7b23ca"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a2f74f5713e1e62456d175eeeb353ce94"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_s_h_a3.html#a2f74f5713e1e62456d175eeeb353ce94">TruncatedFinal</a> (byte *hash, size_t size)</td></tr>
<tr class="memdesc:a2f74f5713e1e62456d175eeeb353ce94"><td class="mdescLeft"> </td><td class="mdescRight">Computes the hash of the current message. <a href="#a2f74f5713e1e62456d175eeeb353ce94">More...</a><br /></td></tr>
<tr class="separator:a2f74f5713e1e62456d175eeeb353ce94"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="inherit_header pub_methods_class_hash_transformation"><td colspan="2" onclick="javascript:toggleInherit('pub_methods_class_hash_transformation')"><img src="closed.png" alt="-"/> Public Member Functions inherited from <a class="el" href="class_hash_transformation.html">HashTransformation</a></td></tr>
<tr class="memitem:a39b0a4c4cdc11fda358f9975b5e4137e inherit pub_methods_class_hash_transformation"><td class="memItemLeft" align="right" valign="top"><a class="el" href="class_hash_transformation.html">HashTransformation</a> & </td><td class="memItemRight" valign="bottom"><a class="el" href="class_hash_transformation.html#a39b0a4c4cdc11fda358f9975b5e4137e">Ref</a> ()</td></tr>
<tr class="memdesc:a39b0a4c4cdc11fda358f9975b5e4137e inherit pub_methods_class_hash_transformation"><td class="mdescLeft"> </td><td class="mdescRight">Provides a reference to this object. <a href="class_hash_transformation.html#a39b0a4c4cdc11fda358f9975b5e4137e">More...</a><br /></td></tr>
<tr class="separator:a39b0a4c4cdc11fda358f9975b5e4137e inherit pub_methods_class_hash_transformation"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a9fc0b332ef36900ca6ea5d949e95aba1 inherit pub_methods_class_hash_transformation"><td class="memItemLeft" align="right" valign="top">virtual byte * </td><td class="memItemRight" valign="bottom"><a class="el" href="class_hash_transformation.html#a9fc0b332ef36900ca6ea5d949e95aba1">CreateUpdateSpace</a> (size_t &size)</td></tr>
<tr class="memdesc:a9fc0b332ef36900ca6ea5d949e95aba1 inherit pub_methods_class_hash_transformation"><td class="mdescLeft"> </td><td class="mdescRight">Request space which can be written into by the caller. <a href="class_hash_transformation.html#a9fc0b332ef36900ca6ea5d949e95aba1">More...</a><br /></td></tr>
<tr class="separator:a9fc0b332ef36900ca6ea5d949e95aba1 inherit pub_methods_class_hash_transformation"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:aa0b8c7a110d8968268fd02ec32b9a8e8 inherit pub_methods_class_hash_transformation"><td class="memItemLeft" align="right" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_hash_transformation.html#aa0b8c7a110d8968268fd02ec32b9a8e8">Final</a> (byte *digest)</td></tr>
<tr class="memdesc:aa0b8c7a110d8968268fd02ec32b9a8e8 inherit pub_methods_class_hash_transformation"><td class="mdescLeft"> </td><td class="mdescRight">Computes the hash of the current message. <a href="class_hash_transformation.html#aa0b8c7a110d8968268fd02ec32b9a8e8">More...</a><br /></td></tr>
<tr class="separator:aa0b8c7a110d8968268fd02ec32b9a8e8 inherit pub_methods_class_hash_transformation"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:af68588a8333e11066a0da91506cebbb4 inherit pub_methods_class_hash_transformation"><td class="memItemLeft" align="right" valign="top">unsigned int </td><td class="memItemRight" valign="bottom"><a class="el" href="class_hash_transformation.html#af68588a8333e11066a0da91506cebbb4">TagSize</a> () const</td></tr>
<tr class="memdesc:af68588a8333e11066a0da91506cebbb4 inherit pub_methods_class_hash_transformation"><td class="mdescLeft"> </td><td class="mdescRight">Provides the tag size of the hash. <a href="class_hash_transformation.html#af68588a8333e11066a0da91506cebbb4">More...</a><br /></td></tr>
<tr class="separator:af68588a8333e11066a0da91506cebbb4 inherit pub_methods_class_hash_transformation"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a09c66b86bbe3c13ea9e8d74775696d42 inherit pub_methods_class_hash_transformation"><td class="memItemLeft" align="right" valign="top">virtual unsigned int </td><td class="memItemRight" valign="bottom"><a class="el" href="class_hash_transformation.html#a09c66b86bbe3c13ea9e8d74775696d42">BlockSize</a> () const</td></tr>
<tr class="memdesc:a09c66b86bbe3c13ea9e8d74775696d42 inherit pub_methods_class_hash_transformation"><td class="mdescLeft"> </td><td class="mdescRight">Provides the block size of the compression function. <a href="class_hash_transformation.html#a09c66b86bbe3c13ea9e8d74775696d42">More...</a><br /></td></tr>
<tr class="separator:a09c66b86bbe3c13ea9e8d74775696d42 inherit pub_methods_class_hash_transformation"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:aee97908d965930ee454f7a88b0ff0f71 inherit pub_methods_class_hash_transformation"><td class="memItemLeft" align="right" valign="top">virtual unsigned int </td><td class="memItemRight" valign="bottom"><a class="el" href="class_hash_transformation.html#aee97908d965930ee454f7a88b0ff0f71">OptimalBlockSize</a> () const</td></tr>
<tr class="memdesc:aee97908d965930ee454f7a88b0ff0f71 inherit pub_methods_class_hash_transformation"><td class="mdescLeft"> </td><td class="mdescRight">Provides the input block size most efficient for this hash. <a href="class_hash_transformation.html#aee97908d965930ee454f7a88b0ff0f71">More...</a><br /></td></tr>
<tr class="separator:aee97908d965930ee454f7a88b0ff0f71 inherit pub_methods_class_hash_transformation"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:af8124c4fca23b74bbdc43660bdae692c inherit pub_methods_class_hash_transformation"><td class="memItemLeft" align="right" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_hash_transformation.html#af8124c4fca23b74bbdc43660bdae692c">CalculateDigest</a> (byte *digest, const byte *input, size_t length)</td></tr>
<tr class="memdesc:af8124c4fca23b74bbdc43660bdae692c inherit pub_methods_class_hash_transformation"><td class="mdescLeft"> </td><td class="mdescRight">Updates the hash with additional input and computes the hash of the current message. <a href="class_hash_transformation.html#af8124c4fca23b74bbdc43660bdae692c">More...</a><br /></td></tr>
<tr class="separator:af8124c4fca23b74bbdc43660bdae692c inherit pub_methods_class_hash_transformation"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a16c4aecd047015d513feef4ed5b929ba inherit pub_methods_class_hash_transformation"><td class="memItemLeft" align="right" valign="top">virtual bool </td><td class="memItemRight" valign="bottom"><a class="el" href="class_hash_transformation.html#a16c4aecd047015d513feef4ed5b929ba">Verify</a> (const byte *digest)</td></tr>
<tr class="memdesc:a16c4aecd047015d513feef4ed5b929ba inherit pub_methods_class_hash_transformation"><td class="mdescLeft"> </td><td class="mdescRight">Verifies the hash of the current message. <a href="class_hash_transformation.html#a16c4aecd047015d513feef4ed5b929ba">More...</a><br /></td></tr>
<tr class="separator:a16c4aecd047015d513feef4ed5b929ba inherit pub_methods_class_hash_transformation"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:acad96df68e70d922683e5063057130b2 inherit pub_methods_class_hash_transformation"><td class="memItemLeft" align="right" valign="top">virtual bool </td><td class="memItemRight" valign="bottom"><a class="el" href="class_hash_transformation.html#acad96df68e70d922683e5063057130b2">VerifyDigest</a> (const byte *digest, const byte *input, size_t length)</td></tr>
<tr class="memdesc:acad96df68e70d922683e5063057130b2 inherit pub_methods_class_hash_transformation"><td class="mdescLeft"> </td><td class="mdescRight">Updates the hash with additional input and verifies the hash of the current message. <a href="class_hash_transformation.html#acad96df68e70d922683e5063057130b2">More...</a><br /></td></tr>
<tr class="separator:acad96df68e70d922683e5063057130b2 inherit pub_methods_class_hash_transformation"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a0b6917657eaec935750fd83e28270d76 inherit pub_methods_class_hash_transformation"><td class="memItemLeft" align="right" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_hash_transformation.html#a0b6917657eaec935750fd83e28270d76">CalculateTruncatedDigest</a> (byte *digest, size_t digestSize, const byte *input, size_t length)</td></tr>
<tr class="memdesc:a0b6917657eaec935750fd83e28270d76 inherit pub_methods_class_hash_transformation"><td class="mdescLeft"> </td><td class="mdescRight">Updates the hash with additional input and computes the hash of the current message. <a href="class_hash_transformation.html#a0b6917657eaec935750fd83e28270d76">More...</a><br /></td></tr>
<tr class="separator:a0b6917657eaec935750fd83e28270d76 inherit pub_methods_class_hash_transformation"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a0f6069eadf492d970c3eb8cdf656e742 inherit pub_methods_class_hash_transformation"><td class="memItemLeft" align="right" valign="top">virtual bool </td><td class="memItemRight" valign="bottom"><a class="el" href="class_hash_transformation.html#a0f6069eadf492d970c3eb8cdf656e742">TruncatedVerify</a> (const byte *digest, size_t digestLength)</td></tr>
<tr class="memdesc:a0f6069eadf492d970c3eb8cdf656e742 inherit pub_methods_class_hash_transformation"><td class="mdescLeft"> </td><td class="mdescRight">Verifies the hash of the current message. <a href="class_hash_transformation.html#a0f6069eadf492d970c3eb8cdf656e742">More...</a><br /></td></tr>
<tr class="separator:a0f6069eadf492d970c3eb8cdf656e742 inherit pub_methods_class_hash_transformation"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a7958e99717019e8b9f91672bdfe9e086 inherit pub_methods_class_hash_transformation"><td class="memItemLeft" align="right" valign="top">virtual bool </td><td class="memItemRight" valign="bottom"><a class="el" href="class_hash_transformation.html#a7958e99717019e8b9f91672bdfe9e086">VerifyTruncatedDigest</a> (const byte *digest, size_t digestLength, const byte *input, size_t length)</td></tr>
<tr class="memdesc:a7958e99717019e8b9f91672bdfe9e086 inherit pub_methods_class_hash_transformation"><td class="mdescLeft"> </td><td class="mdescRight">Updates the hash with additional input and verifies the hash of the current message. <a href="class_hash_transformation.html#a7958e99717019e8b9f91672bdfe9e086">More...</a><br /></td></tr>
<tr class="separator:a7958e99717019e8b9f91672bdfe9e086 inherit pub_methods_class_hash_transformation"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="inherit_header pub_methods_class_algorithm"><td colspan="2" onclick="javascript:toggleInherit('pub_methods_class_algorithm')"><img src="closed.png" alt="-"/> Public Member Functions inherited from <a class="el" href="class_algorithm.html">Algorithm</a></td></tr>
<tr class="memitem:a1c77f5117ca2cd881baf26a364cfc606 inherit pub_methods_class_algorithm"><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="class_algorithm.html#a1c77f5117ca2cd881baf26a364cfc606">Algorithm</a> (bool checkSelfTestStatus=true)</td></tr>
<tr class="memdesc:a1c77f5117ca2cd881baf26a364cfc606 inherit pub_methods_class_algorithm"><td class="mdescLeft"> </td><td class="mdescRight">Interface for all crypto algorithms. <a href="class_algorithm.html#a1c77f5117ca2cd881baf26a364cfc606">More...</a><br /></td></tr>
<tr class="separator:a1c77f5117ca2cd881baf26a364cfc606 inherit pub_methods_class_algorithm"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="inherit_header pub_methods_class_clonable"><td colspan="2" onclick="javascript:toggleInherit('pub_methods_class_clonable')"><img src="closed.png" alt="-"/> Public Member Functions inherited from <a class="el" href="class_clonable.html">Clonable</a></td></tr>
<tr class="memitem:ad0016ba2d505c23aa85aad49e6c19bb7 inherit pub_methods_class_clonable"><td class="memItemLeft" align="right" valign="top">virtual <a class="el" href="class_clonable.html">Clonable</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="class_clonable.html#ad0016ba2d505c23aa85aad49e6c19bb7">Clone</a> () const</td></tr>
<tr class="memdesc:ad0016ba2d505c23aa85aad49e6c19bb7 inherit pub_methods_class_clonable"><td class="mdescLeft"> </td><td class="mdescRight">Copies this object. <a href="class_clonable.html#ad0016ba2d505c23aa85aad49e6c19bb7">More...</a><br /></td></tr>
<tr class="separator:ad0016ba2d505c23aa85aad49e6c19bb7 inherit pub_methods_class_clonable"><td class="memSeparator" colspan="2"> </td></tr>
</table><table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-static-methods"></a>
Static Public Member Functions</h2></td></tr>
<tr class="memitem:aa9a6bdf28ee5f9bc902945a3105e434b"><td class="memItemLeft" align="right" valign="top"><a id="aa9a6bdf28ee5f9bc902945a3105e434b"></a>
static const char * </td><td class="memItemRight" valign="bottom"><b>StaticAlgorithmName</b> ()</td></tr>
<tr class="separator:aa9a6bdf28ee5f9bc902945a3105e434b"><td class="memSeparator" colspan="2"> </td></tr>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><p><a class="el" href="class_s_h_a3.html" title="SHA3 message digest base class.">SHA3</a> message digest base class. </p>
<p>The Crypto++ implementation conforms to FIPS 202 version of <a class="el" href="class_s_h_a3.html" title="SHA3 message digest base class.">SHA3</a> using F1600 with XOF d=0x06. Previous behavior (XOF d=0x01) is available in <a class="el" href="class_keccak.html" title="Keccak message digest base class.">Keccak</a> classes.</p>
<p><a class="el" href="class_s_h_a3.html" title="SHA3 message digest base class.">SHA3</a> is the base class for <a class="el" href="class_s_h_a3__224.html" title="SHA3-224 message digest.">SHA3_224</a>, <a class="el" href="class_s_h_a3__256.html" title="SHA3-256 message digest.">SHA3_256</a>, <a class="el" href="class_s_h_a3__384.html" title="SHA3-384 message digest.">SHA3_384</a> and <a class="el" href="class_s_h_a3__512.html" title="SHA3-512 message digest.">SHA3_512</a>. Library users should instantiate a derived class, and only use <a class="el" href="class_s_h_a3.html" title="SHA3 message digest base class.">SHA3</a> as a base class reference or pointer. </p><dl class="section see"><dt>See also</dt><dd><a class="el" href="class_keccak.html" title="Keccak message digest base class.">Keccak</a>, <a class="el" href="class_s_h_a3__224.html" title="SHA3-224 message digest.">SHA3_224</a>, <a class="el" href="class_s_h_a3__256.html" title="SHA3-256 message digest.">SHA3_256</a>, <a class="el" href="class_s_h_a3__384.html" title="SHA3-384 message digest.">SHA3_384</a> and <a class="el" href="class_s_h_a3__512.html" title="SHA3-512 message digest.">SHA3_512</a>. </dd></dl>
<dl class="section since"><dt>Since</dt><dd>Crypto++ 5.6.2 </dd></dl>
<p class="definition">Definition at line <a class="el" href="sha3_8h_source.html#l00027">27</a> of file <a class="el" href="sha3_8h_source.html">sha3.h</a>.</p>
</div><h2 class="groupheader">Constructor & Destructor Documentation</h2>
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<h2 class="memtitle"><span class="permalink"><a href="#ac87e2ec668f4ed5b63cb4591353f9353">◆ </a></span>SHA3()</h2>
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<td class="memname">SHA3::SHA3 </td>
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<td class="paramtype">unsigned int </td>
<td class="paramname"><em>digestSize</em></td><td>)</td>
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<p>Construct a <a class="el" href="class_s_h_a3.html" title="SHA3 message digest base class.">SHA3</a>. </p>
<dl class="params"><dt>Parameters</dt><dd>
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<tr><td class="paramname">digestSize</td><td>the digest size, in bytes</td></tr>
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<p><a class="el" href="class_s_h_a3.html" title="SHA3 message digest base class.">SHA3</a> is the base class for <a class="el" href="class_s_h_a3__224.html" title="SHA3-224 message digest.">SHA3_224</a>, <a class="el" href="class_s_h_a3__256.html" title="SHA3-256 message digest.">SHA3_256</a>, <a class="el" href="class_s_h_a3__384.html" title="SHA3-384 message digest.">SHA3_384</a> and <a class="el" href="class_s_h_a3__512.html" title="SHA3-512 message digest.">SHA3_512</a>. Library users should instantiate a derived class, and only use <a class="el" href="class_s_h_a3.html" title="SHA3 message digest base class.">SHA3</a> as a base class reference or pointer. </p>
<p class="definition">Definition at line <a class="el" href="sha3_8h_source.html#l00035">35</a> of file <a class="el" href="sha3_8h_source.html">sha3.h</a>.</p>
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<h2 class="groupheader">Member Function Documentation</h2>
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<h2 class="memtitle"><span class="permalink"><a href="#a9cc793a29f4c3f9f7d347df9a6f70fd4">◆ </a></span>DigestSize()</h2>
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<td class="memname">unsigned int SHA3::DigestSize </td>
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<p>Provides the digest size of the hash. </p>
<dl class="section return"><dt>Returns</dt><dd>the digest size of the hash. </dd></dl>
<p>Implements <a class="el" href="class_hash_transformation.html#a9f42cc280bac76b884ad12615c0dabb5">HashTransformation</a>.</p>
<p class="definition">Definition at line <a class="el" href="sha3_8h_source.html#l00036">36</a> of file <a class="el" href="sha3_8h_source.html">sha3.h</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#add2d8c07b4ca5e7ca2e1f867e28a54f1">◆ </a></span>AlgorithmName()</h2>
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<td class="memname">std::string SHA3::AlgorithmName </td>
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<p>Provides the name of this algorithm. </p>
<dl class="section return"><dt>Returns</dt><dd>the standard algorithm name</dd></dl>
<p>The standard algorithm name can be a name like <em><a class="el" href="class_a_e_s.html" title="AES block cipher (Rijndael)">AES</a></em> or <em>AES/GCM</em>. Some algorithms do not have standard names yet. For example, there is no standard algorithm name for Shoup's <a class="el" href="struct_e_c_i_e_s.html" title="Elliptic Curve Integrated Encryption Scheme.">ECIES</a>. </p><dl class="section note"><dt>Note</dt><dd>AlgorithmName is not universally implemented yet </dd></dl>
<p>Reimplemented from <a class="el" href="class_algorithm.html#a4f31510a192d1121856efe8ad0a9b844">Algorithm</a>.</p>
<p class="definition">Definition at line <a class="el" href="sha3_8h_source.html#l00037">37</a> of file <a class="el" href="sha3_8h_source.html">sha3.h</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#a4f8eaef59e2dfe6745865a24c61b63f1">◆ </a></span>OptimalDataAlignment()</h2>
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<td class="memname">unsigned int SHA3::OptimalDataAlignment </td>
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<p>Provides input and output data alignment for optimal performance. </p>
<dl class="section return"><dt>Returns</dt><dd>the input data alignment that provides optimal performance </dd></dl>
<dl class="section see"><dt>See also</dt><dd>GetAlignment() and <a class="el" href="class_hash_transformation.html#aee97908d965930ee454f7a88b0ff0f71" title="Provides the input block size most efficient for this hash.">OptimalBlockSize()</a> </dd></dl>
<p>Reimplemented from <a class="el" href="class_hash_transformation.html#a927a808007503246a745a564ad451da5">HashTransformation</a>.</p>
<p class="definition">Definition at line <a class="el" href="sha3_8h_source.html#l00039">39</a> of file <a class="el" href="sha3_8h_source.html">sha3.h</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#a8b20793010bc9056ede658e8bc48be2a">◆ </a></span>Update()</h2>
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<td class="memname">void SHA3::Update </td>
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<td class="paramtype">const byte * </td>
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<td class="paramtype">size_t </td>
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<p>Updates a hash with additional input. </p>
<dl class="params"><dt>Parameters</dt><dd>
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<tr><td class="paramname">input</td><td>the additional input as a buffer </td></tr>
<tr><td class="paramname">length</td><td>the size of the buffer, in bytes </td></tr>
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<p>Implements <a class="el" href="class_hash_transformation.html#aafabefaf445b65d3ba0d8e1c0294afe5">HashTransformation</a>.</p>
<p class="definition">Definition at line <a class="el" href="sha3_8cpp_source.html#l00252">252</a> of file <a class="el" href="sha3_8cpp_source.html">sha3.cpp</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#aa7a2855fbda16730e10977a61a7b23ca">◆ </a></span>Restart()</h2>
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<td class="memname">void SHA3::Restart </td>
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<p>Restart the hash. </p>
<p>Discards the current state, and restart for a new message </p>
<p>Reimplemented from <a class="el" href="class_hash_transformation.html#a92752eebac10497211d7a065faba8725">HashTransformation</a>.</p>
<p class="definition">Definition at line <a class="el" href="sha3_8cpp_source.html#l00273">273</a> of file <a class="el" href="sha3_8cpp_source.html">sha3.cpp</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#a2f74f5713e1e62456d175eeeb353ce94">◆ </a></span>TruncatedFinal()</h2>
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<td class="memname">void SHA3::TruncatedFinal </td>
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<td class="paramtype">byte * </td>
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<p>Computes the hash of the current message. </p>
<dl class="params"><dt>Parameters</dt><dd>
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<tr><td class="paramname">digest</td><td>a pointer to the buffer to receive the hash </td></tr>
<tr><td class="paramname">digestSize</td><td>the size of the truncated digest, in bytes</td></tr>
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<p><a class="el" href="class_s_h_a3.html#a2f74f5713e1e62456d175eeeb353ce94" title="Computes the hash of the current message.">TruncatedFinal()</a> call <a class="el" href="class_hash_transformation.html#aa0b8c7a110d8968268fd02ec32b9a8e8" title="Computes the hash of the current message.">Final()</a> and then copies digestSize bytes to digest. The hash is restarted the hash for the next message. </p>
<p>Implements <a class="el" href="class_hash_transformation.html#a590ecda344aa0fb045abf42ec08823b2">HashTransformation</a>.</p>
<p class="definition">Definition at line <a class="el" href="sha3_8cpp_source.html#l00279">279</a> of file <a class="el" href="sha3_8cpp_source.html">sha3.cpp</a>.</p>
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<hr/>The documentation for this class was generated from the following files:<ul>
<li><a class="el" href="sha3_8h_source.html">sha3.h</a></li>
<li><a class="el" href="sha3_8cpp_source.html">sha3.cpp</a></li>
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