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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"><html><head><meta http-equiv="Content-Type" content="text/html;charset=iso-8859-1"><title>Crypto++: SHA512 class Reference</title><link href="doxygen.css" rel="stylesheet" type="text/css"></head><body><!-- Generated by Doxygen 1.3.2 --><div class="qindex"><a class="qindex" href="index.html">Main Page</a> | <a class="qindex" href="namespaces.html">Namespace List</a> | <a class="qindex" href="hierarchy.html">Class Hierarchy</a> | <a class="qindex" href="classes.html">Alphabetical List</a> | <a class="qindex" href="annotated.html">Compound List</a> | <a class="qindex" href="files.html">File List</a> | <a class="qindex" href="namespacemembers.html">Namespace Members</a> | <a class="qindex" href="functions.html">Compound Members</a> | <a class="qindex" href="globals.html">File Members</a></div><h1>SHA512 Class Reference</h1><code>#include <<a class="el" href="sha_8h-source.html">sha.h</a>></code><p><p>Inheritance diagram for SHA512:<p><center><img src="class_s_h_a512.png" usemap="#SHA512_map" border="0" alt=""></center><map name="SHA512_map"><area href="class_iterated_hash.html" alt="IteratedHash< word64, BigEndian, S >" shape="rect" coords="0,280,413,304"><area href="class_iterated_hash_base2.html" alt="IteratedHashBase2< word64, BigEndian, HashTransformation >" shape="rect" coords="0,224,413,248"><area href="class_hash_transformation.html" alt="HashTransformation" shape="rect" coords="0,112,413,136"><area href="class_algorithm.html" alt="Algorithm" shape="rect" coords="0,56,413,80"><area href="class_clonable.html" alt="Clonable" shape="rect" coords="0,0,413,24"></map><a href="class_s_h_a512-members.html">List of all members.</a><hr><a name="_details"></a><h2>Detailed Description</h2>implements the SHA-512 standard <p><p>Definition at line <a class="el" href="sha_8h-source.html#l00041">41</a> of file <a class="el" href="sha_8h-source.html">sha.h</a>.<table border=0 cellpadding=0 cellspacing=0><tr><td></td></tr><tr><td colspan=2><br><h2>Public Types</h2></td></tr><tr><td class="memItemLeft" nowrap align=right valign=top>enum </td><td class="memItemRight" valign=bottom>{ <b>DIGESTSIZE</b> = 64 }</td></tr><tr><td class="memItemLeft" nowrap align=right valign=top><a name="_iterated_hash_base2w0" doxytag="SHA512::ByteOrderClass"></a>typedef BigEndian </td><td class="memItemRight" valign=bottom><b>ByteOrderClass</b></td></tr><tr><td class="memItemLeft" nowrap align=right valign=top><a name="_iterated_hash_base2w1" doxytag="SHA512::HashWordType"></a>typedef IteratedHashBase<<br> word64, <a class="el" href="class_hash_transformation.html">HashTransformation</a> <br>>::HashWordType </td><td class="memItemRight" valign=bottom><b>HashWordType</b></td></tr><tr><td colspan=2><br><h2>Public Member Functions</h2></td></tr><tr><td class="memItemLeft" nowrap align=right valign=top><a name="_iterated_hash_with_static_transforma0" doxytag="SHA512::AlgorithmName"></a>std::string </td><td class="memItemRight" valign=bottom><b>AlgorithmName</b> () const</td></tr><tr><td class="memItemLeft" nowrap align=right valign=top><a name="_iterated_hash_base2a1" doxytag="SHA512::TruncatedFinal"></a>void </td><td class="memItemRight" valign=bottom><b>TruncatedFinal</b> (byte *hash, unsigned int size)</td></tr><tr><td class="mdescLeft"> </td><td class="mdescRight">truncated version of <a class="el" href="class_hash_transformation.html#_x_m_a_c_c___basea13">Final()</a> <br><br></td></tr><tr><td class="memItemLeft" nowrap align=right valign=top><a name="_iterated_hash_base2a2" doxytag="SHA512::DigestSize"></a>unsigned int </td><td class="memItemRight" valign=bottom><b>DigestSize</b> () const</td></tr><tr><td class="memItemLeft" nowrap align=right valign=top><a name="_iterated_hash_base2a3" doxytag="SHA512::OptimalBlockSize"></a>unsigned int </td><td class="memItemRight" valign=bottom><b>OptimalBlockSize</b> () const</td></tr><tr><td class="memItemLeft" nowrap align=right valign=top><a name="_iterated_hash_base2a4" doxytag="SHA512::Update"></a>void </td><td class="memItemRight" valign=bottom><b>Update</b> (const byte *input, unsigned int length)</td></tr><tr><td class="memItemLeft" nowrap align=right valign=top><a name="_iterated_hash_base2a5" doxytag="SHA512::CreateUpdateSpace"></a>byte * </td><td class="memItemRight" valign=bottom><b>CreateUpdateSpace</b> (unsigned int &size)</td></tr><tr><td class="memItemLeft" nowrap align=right valign=top><a name="_iterated_hash_base2a6" doxytag="SHA512::Restart"></a>void </td><td class="memItemRight" valign=bottom><b>Restart</b> ()</td></tr><tr><td class="memItemLeft" nowrap align=right valign=top>virtual void </td><td class="memItemRight" valign=bottom><a class="el" href="class_s_h_a512.html#_x_m_a_c_c___basea13">Final</a> (byte *digest)</td></tr><tr><td class="mdescLeft"> </td><td class="mdescRight">compute hash for current message, then restart for a new message </em> <a href="#_x_m_a_c_c___basea13"></a><em><br><br></td></tr><tr><td class="memItemLeft" nowrap align=right valign=top><a name="_x_m_a_c_c___basea14" doxytag="SHA512::CalculateDigest"></a>virtual void </td><td class="memItemRight" valign=bottom><a class="el" href="class_s_h_a512.html#_x_m_a_c_c___basea14">CalculateDigest</a> (byte *digest, const byte *input, unsigned int length)</td></tr><tr><td class="mdescLeft"> </td><td class="mdescRight">use this if your input is in one piece and you don't want to call <a class="el" href="class_hash_transformation.html#_x_m_a_c_ca5">Update()</a> and <a class="el" href="class_hash_transformation.html#_x_m_a_c_c___basea13">Final()</a> separately <br><br></td></tr><tr><td class="memItemLeft" nowrap align=right valign=top>virtual bool </td><td class="memItemRight" valign=bottom><a class="el" href="class_s_h_a512.html#_x_m_a_c_c___basea15">Verify</a> (const byte *digest)</td></tr><tr><td class="mdescLeft"> </td><td class="mdescRight">verify that digest is a valid digest for the current message, then reinitialize the object </em> <a href="#_x_m_a_c_c___basea15"></a><em><br><br></td></tr><tr><td class="memItemLeft" nowrap align=right valign=top><a name="_x_m_a_c_c___basea16" doxytag="SHA512::VerifyDigest"></a>virtual bool </td><td class="memItemRight" valign=bottom><a class="el" href="class_s_h_a512.html#_x_m_a_c_c___basea16">VerifyDigest</a> (const byte *digest, const byte *input, unsigned int length)</td></tr><tr><td class="mdescLeft"> </td><td class="mdescRight">use this if your input is in one piece and you don't want to call <a class="el" href="class_hash_transformation.html#_x_m_a_c_ca5">Update()</a> and <a class="el" href="class_hash_transformation.html#_x_m_a_c_c___basea15">Verify()</a> separately <br><br></td></tr><tr><td class="memItemLeft" nowrap align=right valign=top><a name="_x_m_a_c_c___basea17" doxytag="SHA512::CalculateTruncatedDigest"></a>virtual void </td><td class="memItemRight" valign=bottom><a class="el" href="class_s_h_a512.html#_x_m_a_c_c___basea17">CalculateTruncatedDigest</a> (byte *digest, unsigned int digestSize, const byte *input, unsigned int length)</td></tr><tr><td class="mdescLeft"> </td><td class="mdescRight">truncated version of <a class="el" href="class_hash_transformation.html#_x_m_a_c_c___basea14">CalculateDigest()</a> <br><br></td></tr><tr><td class="memItemLeft" nowrap align=right valign=top><a name="_x_m_a_c_ca17" doxytag="SHA512::TruncatedVerify"></a>virtual bool </td><td class="memItemRight" valign=bottom><a class="el" href="class_s_h_a512.html#_x_m_a_c_ca17">TruncatedVerify</a> (const byte *digest, unsigned int digestLength)</td></tr><tr><td class="mdescLeft"> </td><td class="mdescRight">truncated version of <a class="el" href="class_hash_transformation.html#_x_m_a_c_c___basea15">Verify()</a> <br><br></td></tr><tr><td class="memItemLeft" nowrap align=right valign=top><a name="_x_m_a_c_c___basea18" doxytag="SHA512::VerifyTruncatedDigest"></a>virtual bool </td><td class="memItemRight" valign=bottom><a class="el" href="class_s_h_a512.html#_x_m_a_c_c___basea18">VerifyTruncatedDigest</a> (const byte *digest, unsigned int digestLength, const byte *input, unsigned int length)</td></tr><tr><td class="mdescLeft"> </td><td class="mdescRight">truncated version of <a class="el" href="class_hash_transformation.html#_x_m_a_c_c___basea16">VerifyDigest()</a> <br><br></td></tr><tr><td class="memItemLeft" nowrap align=right valign=top><a name="_zlib_decompressora18" doxytag="SHA512::Clone"></a>virtual <a class="el" href="class_clonable.html">Clonable</a> * </td><td class="memItemRight" valign=bottom><a class="el" href="class_s_h_a512.html#_zlib_decompressora18">Clone</a> () const</td></tr><tr><td class="mdescLeft"> </td><td class="mdescRight">this is not implemented by most classes yet <br><br></td></tr><tr><td colspan=2><br><h2>Static Public Member Functions</h2></td></tr><tr><td class="memItemLeft" nowrap align=right valign=top><a name="_s_h_a512e0" doxytag="SHA512::Transform"></a>void </td><td class="memItemRight" valign=bottom><b>Transform</b> (word64 *digest, const word64 *data)</td></tr><tr><td class="memItemLeft" nowrap align=right valign=top><a name="_s_h_a512e1" doxytag="SHA512::StaticAlgorithmName"></a>const char * </td><td class="memItemRight" valign=bottom><b>StaticAlgorithmName</b> ()</td></tr><tr><td class="memItemLeft" nowrap align=right valign=top><a name="_iterated_hash_base2e0" doxytag="SHA512::CorrectEndianess"></a>void </td><td class="memItemRight" valign=bottom><b>CorrectEndianess</b> (HashWordType *out, const HashWordType *in, unsigned int byteCount)</td></tr><tr><td colspan=2><br><h2>Protected Member Functions</h2></td></tr><tr><td class="memItemLeft" nowrap align=right valign=top><a name="_s_h_a512b0" doxytag="SHA512::Init"></a>void </td><td class="memItemRight" valign=bottom><b>Init</b> ()</td></tr><tr><td class="memItemLeft" nowrap align=right valign=top><a name="_iterated_hash_with_static_transformb1" doxytag="SHA512::vTransform"></a>void </td><td class="memItemRight" valign=bottom><b>vTransform</b> (const word64 *data)</td></tr><tr><td class="memItemLeft" nowrap align=right valign=top><a name="_iterated_hash_base2b1" doxytag="SHA512::vTransform"></a>virtual void </td><td class="memItemRight" valign=bottom><b>vTransform</b> (const HashWordType *data)=0</td></tr><tr><td class="memItemLeft" nowrap align=right valign=top><a name="_iterated_hashb1" doxytag="SHA512::BlockSize"></a>unsigned int </td><td class="memItemRight" valign=bottom><b>BlockSize</b> () const</td></tr><tr><td class="mdescLeft"> </td><td class="mdescRight">block size of underlying compression function, or 0 if not block based <br><br></td></tr><tr><td class="memItemLeft" nowrap align=right valign=top><a name="_iterated_hash_base2b0" doxytag="SHA512::HashBlock"></a>void </td><td class="memItemRight" valign=bottom><b>HashBlock</b> (const HashWordType *input)</td></tr>⌨️ 快捷键说明
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