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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++: PK_SignatureSchemeWithRecovery 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>PK_SignatureSchemeWithRecovery Class Reference</h1><code>#include <<a class="el" href="cryptlib_8h-source.html">cryptlib.h</a>></code><p><p>Inheritance diagram for PK_SignatureSchemeWithRecovery:<p><center><img src="class_p_k___signature_scheme_with_recovery.png" usemap="#PK_SignatureSchemeWithRecovery_map" border="0" alt=""></center><map name="PK_SignatureSchemeWithRecovery_map"><area href="class_p_k___signature_scheme.html" alt="PK_SignatureScheme" shape="rect" coords="306,0,602,24"><area href="class_p_k___signer_with_recovery.html" alt="PK_SignerWithRecovery" shape="rect" coords="0,112,296,136"><area href="class_p_k___verifier_with_recovery.html" alt="PK_VerifierWithRecovery" shape="rect" coords="306,112,602,136"><area href="class_signature_system_with_recovery_base_template.html" alt="SignatureSystemWithRecoveryBaseTemplate< H >" shape="rect" coords="765,112,1061,136"><area href="class_signer_with_recovery_template.html" alt="SignerWithRecoveryTemplate< TF, H >" shape="rect" coords="0,168,296,192"><area href="class_verifier_with_recovery_template.html" alt="VerifierWithRecoveryTemplate< TF, H >" shape="rect" coords="306,168,602,192"><area href="class_signer_with_recovery_template.html" alt="SignerWithRecoveryTemplate< TF, H >" shape="rect" coords="612,168,908,192"><area href="class_verifier_with_recovery_template.html" alt="VerifierWithRecoveryTemplate< TF, H >" shape="rect" coords="918,168,1214,192"></map><a href="class_p_k___signature_scheme_with_recovery-members.html">List of all members.</a><hr><a name="_details"></a><h2>Detailed Description</h2>interface for public-key signers and verifiers with recovery <p>In a signature scheme with recovery, a verifier is able to extract a message from its valid signature. <p><p>Definition at line <a class="el" href="cryptlib_8h-source.html#l01304">1304</a> of file <a class="el" href="cryptlib_8h-source.html">cryptlib.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="_p_k___verifier_with_recoverya4" doxytag="PK_SignatureSchemeWithRecovery::MaximumRecoverableLength"></a>virtual unsigned int </td><td class="memItemRight" valign=bottom><a class="el" href="class_p_k___signature_scheme_with_recovery.html#_p_k___verifier_with_recoverya4">MaximumRecoverableLength</a> () const=0</td></tr><tr><td class="mdescLeft"> </td><td class="mdescRight">length of longest message that can be fully recovered <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_p_k___signature_scheme_with_recovery.html#_p_k___verifier_with_recoverya5">AllowLeftoverMessage</a> () const=0</td></tr><tr><td class="mdescLeft"> </td><td class="mdescRight">whether or not messages longer than <a class="el" href="class_p_k___signature_scheme_with_recovery.html#_p_k___verifier_with_recoverya4">MaximumRecoverableLength()</a> can be signed </em> <a href="#_p_k___verifier_with_recoverya5"></a><em><br><br></td></tr><tr><td class="memItemLeft" nowrap align=right valign=top><a name="_p_k___verifier_with_recoverya6" doxytag="PK_SignatureSchemeWithRecovery::SignatureLength"></a>virtual unsigned int </td><td class="memItemRight" valign=bottom><a class="el" href="class_p_k___signature_scheme_with_recovery.html#_p_k___verifier_with_recoverya6">SignatureLength</a> () const=0</td></tr><tr><td class="mdescLeft"> </td><td class="mdescRight">signature length support by this object (as either input or output) <br><br></td></tr><tr><td class="memItemLeft" nowrap align=right valign=top><a name="_p_k___verifier_with_recoverya7" doxytag="PK_SignatureSchemeWithRecovery::NewMessageAccumulator"></a>virtual <a class="el" href="class_hash_transformation.html">HashTransformation</a> * </td><td class="memItemRight" valign=bottom><a class="el" href="class_p_k___signature_scheme_with_recovery.html#_p_k___verifier_with_recoverya7">NewMessageAccumulator</a> () const=0</td></tr><tr><td class="mdescLeft"> </td><td class="mdescRight">deprecated, please use <a class="el" href="class_p_k___signer.html#_signer_with_recovery_templatea12">PK_Signer::NewSignatureAccumulator</a> or <a class="el" href="class_p_k___verifier.html#_verifier_with_recovery_templatea15">PK_Verifier::NewVerificationAccumulator</a> instead <br><br></td></tr></table><hr><h2>Member Function Documentation</h2><a name="_p_k___verifier_with_recoverya5" doxytag="PK_SignatureSchemeWithRecovery::AllowLeftoverMessage"></a><p><table class="mdTable" width="100%" cellpadding="2" cellspacing="0"> <tr> <td class="mdRow"> <table cellpadding="0" cellspacing="0" border="0"> <tr> <td class="md" nowrap valign="top"> virtual bool PK_SignatureSchemeWithRecovery::AllowLeftoverMessage </td> <td class="md" valign="top">( </td> <td class="mdname1" valign="top" nowrap> </td> <td class="md" valign="top"> ) </td> <td class="md" nowrap> const<code> [pure virtual]</code></td> </tr> </table> </td> </tr></table><table cellspacing=5 cellpadding=0 border=0> <tr> <td> </td> <td><p>whether or not messages longer than <a class="el" href="class_p_k___signature_scheme_with_recovery.html#_p_k___verifier_with_recoverya4">MaximumRecoverableLength()</a> can be signed <p>If this function returns false, any message longer than <a class="el" href="class_p_k___signature_scheme_with_recovery.html#_p_k___verifier_with_recoverya4">MaximumRecoverableLength()</a> will be truncated for signature and will fail verification.<p>Implemented in <a class="el" href="class_signature_system_with_recovery_base_template.html#_verifier_with_recovery_templatea12">SignatureSystemWithRecoveryBaseTemplate< H ></a>. </td> </tr></table><hr>The documentation for this class was generated from the following file:<ul><li><a class="el" href="cryptlib_8h-source.html">cryptlib.h</a></ul><hr size="1"><address style="align: right;"><small>Generated on Tue Jul 8 23:35:21 2003 for Crypto++ by<a href="http://www.doxygen.org/index.html"><img src="doxygen.png" alt="doxygen" align="middle" border=0 > </a>1.3.2 </small></address></body></html>⌨️ 快捷键说明
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