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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++: TemplateTruncatedHashTemplate< T > 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>TruncatedHashTemplate< T > Class Template Reference</h1><code>#include <<a class="el" href="trunhash_8h-source.html">trunhash.h</a>></code><p><p>Inheritance diagram for TruncatedHashTemplate< T >:<p><center><img src="class_truncated_hash_template.png" usemap="#TruncatedHashTemplate< T >_map" border="0" alt=""></center><map name="TruncatedHashTemplate< T >_map"><area href="class_hash_transformation.html" alt="HashTransformation" shape="rect" coords="0,112,179,136"><area href="class_algorithm.html" alt="Algorithm" shape="rect" coords="0,56,179,80"><area href="class_clonable.html" alt="Clonable" shape="rect" coords="0,0,179,24"></map><a href="class_truncated_hash_template-members.html">List of all members.</a><hr><a name="_details"></a><h2>Detailed Description</h2><h3>template<class T><br> class TruncatedHashTemplate< T ></h3>construct new HashModule with smaller <a class="el" href="class_truncated_hash_template.html#_truncated_hash_templatea4">DigestSize()</a> from existing one <p><p>Definition at line <a class="el" href="trunhash_8h-source.html#l00019">19</a> of file <a class="el" href="trunhash_8h-source.html">trunhash.h</a>.<table border=0 cellpadding=0 cellspacing=0><tr><td></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="_truncated_hash_templatea0" doxytag="TruncatedHashTemplate::TruncatedHashTemplate"></a> </td><td class="memItemRight" valign=bottom><b>TruncatedHashTemplate</b> (T hm, unsigned int digestSize)</td></tr><tr><td class="memItemLeft" nowrap align=right valign=top><a name="_truncated_hash_templatea1" doxytag="TruncatedHashTemplate::TruncatedHashTemplate"></a> </td><td class="memItemRight" valign=bottom><b>TruncatedHashTemplate</b> (const byte *key, unsigned int keyLength, unsigned int digestSize)</td></tr><tr><td class="memItemLeft" nowrap align=right valign=top><a name="_truncated_hash_templatea2" doxytag="TruncatedHashTemplate::TruncatedHashTemplate"></a> </td><td class="memItemRight" valign=bottom><b>TruncatedHashTemplate</b> (unsigned int digestSize)</td></tr><tr><td class="memItemLeft" nowrap align=right valign=top><a name="_truncated_hash_templatea3" doxytag="TruncatedHashTemplate::Update"></a>void </td><td class="memItemRight" valign=bottom><a class="el" href="class_truncated_hash_template.html#_truncated_hash_templatea3">Update</a> (const byte *input, unsigned int length)</td></tr><tr><td class="mdescLeft"> </td><td class="mdescRight">process more input <br><br></td></tr><tr><td class="memItemLeft" nowrap align=right valign=top><a name="_truncated_hash_templatea4" doxytag="TruncatedHashTemplate::DigestSize"></a>unsigned int </td><td class="memItemRight" valign=bottom><a class="el" href="class_truncated_hash_template.html#_truncated_hash_templatea4">DigestSize</a> () const</td></tr><tr><td class="mdescLeft"> </td><td class="mdescRight">size of the hash returned by <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="_truncated_hash_templatea5" doxytag="TruncatedHashTemplate::TruncatedFinal"></a>void </td><td class="memItemRight" valign=bottom><a class="el" href="class_truncated_hash_template.html#_truncated_hash_templatea5">TruncatedFinal</a> (byte *digest, unsigned int digestSize)</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="_truncated_hash_templatea6" doxytag="TruncatedHashTemplate::TruncatedVerify"></a>bool </td><td class="memItemRight" valign=bottom><a class="el" href="class_truncated_hash_template.html#_truncated_hash_templatea6">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_ca6" doxytag="TruncatedHashTemplate::CreateUpdateSpace"></a>virtual byte * </td><td class="memItemRight" valign=bottom><a class="el" href="class_truncated_hash_template.html#_x_m_a_c_ca6">CreateUpdateSpace</a> (unsigned int &size)</td></tr><tr><td class="mdescLeft"> </td><td class="mdescRight">request space to write input into <br><br></td></tr><tr><td class="memItemLeft" nowrap align=right valign=top>virtual void </td><td class="memItemRight" valign=bottom><a class="el" href="class_truncated_hash_template.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_ca8" doxytag="TruncatedHashTemplate::Restart"></a>virtual void </td><td class="memItemRight" valign=bottom><a class="el" href="class_truncated_hash_template.html#_x_m_a_c_ca8">Restart</a> ()</td></tr><tr><td class="mdescLeft"> </td><td class="mdescRight">discard the current state, and restart with a new message <br><br></td></tr><tr><td class="memItemLeft" nowrap align=right valign=top><a name="_x_m_a_c_ca10" doxytag="TruncatedHashTemplate::BlockSize"></a>virtual unsigned int </td><td class="memItemRight" valign=bottom><a class="el" href="class_truncated_hash_template.html#_x_m_a_c_ca10">BlockSize</a> () 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="_x_m_a_c_ca11" doxytag="TruncatedHashTemplate::OptimalBlockSize"></a>virtual unsigned int </td><td class="memItemRight" valign=bottom><a class="el" href="class_truncated_hash_template.html#_x_m_a_c_ca11">OptimalBlockSize</a> () const</td></tr><tr><td class="mdescLeft"> </td><td class="mdescRight">input to <a class="el" href="class_hash_transformation.html#_x_m_a_c_ca5">Update()</a> should have length a multiple of this for optimal speed <br><br></td></tr><tr><td class="memItemLeft" nowrap align=right valign=top><a name="_x_m_a_c_c___basea14" doxytag="TruncatedHashTemplate::CalculateDigest"></a>virtual void </td><td class="memItemRight" valign=bottom><a class="el" href="class_truncated_hash_template.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_truncated_hash_template.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="TruncatedHashTemplate::VerifyDigest"></a>virtual bool </td><td class="memItemRight" valign=bottom><a class="el" href="class_truncated_hash_template.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="TruncatedHashTemplate::CalculateTruncatedDigest"></a>virtual void </td><td class="memItemRight" valign=bottom><a class="el" href="class_truncated_hash_template.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_c___basea18" doxytag="TruncatedHashTemplate::VerifyTruncatedDigest"></a>virtual bool </td><td class="memItemRight" valign=bottom><a class="el" href="class_truncated_hash_template.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_decompressora17" doxytag="TruncatedHashTemplate::AlgorithmName"></a>virtual std::string </td><td class="memItemRight" valign=bottom><a class="el" href="class_truncated_hash_template.html#_zlib_decompressora17">AlgorithmName</a> () const</td></tr><tr><td class="mdescLeft"> </td><td class="mdescRight">returns name of this algorithm, not universally implemented yet <br><br></td></tr>⌨️ 快捷键说明
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