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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++: TemplatePK_VerifierBase< H > 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_VerifierBase< H > Class Template Reference</h1><code>#include <<a class="el" href="pubkey_8h-source.html">pubkey.h</a>></code><p><p>Inheritance diagram for PK_VerifierBase< H >:<p><center><img src="class_p_k___verifier_base.png" usemap="#PK_VerifierBase< H >_map" border="0" alt=""></center><map name="PK_VerifierBase< H >_map"><area href="class_p_k___signature_scheme_base.html" alt="PK_SignatureSchemeBase< H, PK_Verifier, DigestVerifier >" shape="rect" coords="183,280,540,304"><area href="class_p_k___verifier.html" alt="PK_Verifier" shape="rect" coords="183,224,540,248"><area href="class_p_k___signature_scheme.html" alt="PK_SignatureScheme" shape="rect" coords="0,168,357,192"><area href="class_public_key_algorithm.html" alt="PublicKeyAlgorithm" shape="rect" coords="367,168,724,192"><area href="class_asymmetric_algorithm.html" alt="AsymmetricAlgorithm" shape="rect" coords="367,112,724,136"><area href="class_algorithm.html" alt="Algorithm" shape="rect" coords="367,56,724,80"><area href="class_clonable.html" alt="Clonable" shape="rect" coords="367,0,724,24"><area href="class_p_k___signature_scheme_impl.html" alt="PK_SignatureSchemeImpl< PK_VerifierBase< H >, DS >" shape="rect" coords="183,392,540,416"><area href="class_p_k___verifier_impl.html" alt="PK_VerifierImpl< DS, H >" shape="rect" coords="183,448,540,472"></map><a href="class_p_k___verifier_base-members.html">List of all members.</a><hr><a name="_details"></a><h2>Detailed Description</h2><h3>template<class H><br> class PK_VerifierBase< H ></h3><p><p>Definition at line <a class="el" href="pubkey_8h-source.html#l00432">432</a> of file <a class="el" href="pubkey_8h-source.html">pubkey.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>bool </td><td class="memItemRight" valign=bottom><a class="el" href="class_p_k___verifier_base.html#_p_k___verifier_impla11">VerifyAndRestart</a> (<a class="el" href="class_hash_transformation.html">HashTransformation</a> &messageAccumulator, const byte *sig) const</td></tr><tr><td class="mdescLeft"> </td><td class="mdescRight">check whether sig is a valid signature for messageAccumulator, and restart messageAccumulator </em> <a href="#_p_k___verifier_impla11"></a><em><br><br></td></tr><tr><td class="memItemLeft" nowrap align=right valign=top><a name="_p_k___signature_scheme_basea0" doxytag="PK_VerifierBase::SignatureLength"></a>unsigned int </td><td class="memItemRight" valign=bottom><b>SignatureLength</b> () const</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___signature_scheme_basea1" doxytag="PK_VerifierBase::NewMessageAccumulator"></a><a class="el" href="class_hash_transformation.html">HashTransformation</a> * </td><td class="memItemRight" valign=bottom><b>NewMessageAccumulator</b> () const</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><tr><td class="memItemLeft" nowrap align=right valign=top><a name="_p_k___signature_scheme_basea2" doxytag="PK_VerifierBase::GetDigestSignatureSchemeInterface"></a>virtual const <a class="el" href="class_digest_verifier.html">DigestVerifier</a> & </td><td class="memItemRight" valign=bottom><b>GetDigestSignatureSchemeInterface</b> () const=0</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___verifier_base.html#_verifier_with_recovery_templatea14">SignatureUpfrontForVerification</a> () const</td></tr><tr><td class="memItemLeft" nowrap align=right valign=top>virtual <a class="el" href="class_hash_transformation.html">HashTransformation</a> * </td><td class="memItemRight" valign=bottom><a class="el" href="class_p_k___verifier_base.html#_verifier_with_recovery_templatea15">NewVerificationAccumulator</a> (const byte *signature=NULL) const</td></tr><tr><td class="mdescLeft"> </td><td class="mdescRight">create a new <a class="el" href="class_hash_transformation.html">HashTransformation</a> to accumulate the message to be verified </em> <a href="#_verifier_with_recovery_templatea15"></a><em><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___verifier_base.html#_verifier_with_recovery_templatea16">Verify</a> (<a class="el" href="class_hash_transformation.html">HashTransformation</a> *messageAccumulator, const byte *signature=NULL) const</td></tr><tr><td class="mdescLeft"> </td><td class="mdescRight">check whether sig is a valid signature for messageAccumulator, and delete messageAccumulator (even in case of exception thrown) </em> <a href="#_verifier_with_recovery_templatea16"></a><em><br><br></td></tr><tr><td class="memItemLeft" nowrap align=right valign=top><a name="_verifier_with_recovery_templatea17" doxytag="PK_VerifierBase::InitializeVerificationAccumulator"></a>virtual void </td><td class="memItemRight" valign=bottom><a class="el" href="class_p_k___verifier_base.html#_verifier_with_recovery_templatea17">InitializeVerificationAccumulator</a> (<a class="el" href="class_hash_transformation.html">HashTransformation</a> &messageAccumulator, const byte *signature) const</td></tr><tr><td class="mdescLeft"> </td><td class="mdescRight">only useful if <a class="el" href="class_p_k___verifier.html#_verifier_with_recovery_templatea14">SignatureUpfrontForVerification()</a> == true <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___verifier_base.html#_verifier_with_recovery_templatea18">VerifyMessage</a> (const byte *message, unsigned int messageLen, const byte *signature) const</td></tr><tr><td class="mdescLeft"> </td><td class="mdescRight">check whether sig is a valid signature for message </em> <a href="#_verifier_with_recovery_templatea18"></a><em><br><br></td></tr><tr><td class="memItemLeft" nowrap align=right valign=top><a name="_verifier_with_recovery_templatea19" doxytag="PK_VerifierBase::AccessMaterial"></a><a class="el" href="class_crypto_material.html">CryptoMaterial</a> & </td><td class="memItemRight" valign=bottom><a class="el" href="class_p_k___verifier_base.html#_verifier_with_recovery_templatea19">AccessMaterial</a> ()</td></tr><tr><td class="mdescLeft"> </td><td class="mdescRight">returns a reference to the crypto material used by this object <br><br></td></tr><tr><td class="memItemLeft" nowrap align=right valign=top><a name="_verifier_with_recovery_templatea20" doxytag="PK_VerifierBase::GetMaterial"></a>const <a class="el" href="class_crypto_material.html">CryptoMaterial</a> & </td><td class="memItemRight" valign=bottom><a class="el" href="class_p_k___verifier_base.html#_verifier_with_recovery_templatea20">GetMaterial</a> () const</td></tr><tr><td class="mdescLeft"> </td><td class="mdescRight">returns a const reference to the crypto material used by this object <br><br></td></tr><tr><td class="memItemLeft" nowrap align=right valign=top><a name="_t_f___encryptor_basea10" doxytag="PK_VerifierBase::AccessPublicKey"></a>virtual <a class="el" href="class_public_key.html">PublicKey</a> & </td><td class="memItemRight" valign=bottom><b>AccessPublicKey</b> ()=0</td></tr><tr><td class="memItemLeft" nowrap align=right valign=top><a name="_verifier_with_recovery_templatea21" doxytag="PK_VerifierBase::GetPublicKey"></a>virtual const <a class="el" href="class_public_key.html">PublicKey</a> & </td><td class="memItemRight" valign=bottom><b>GetPublicKey</b> () const</td></tr><tr><td class="memItemLeft" nowrap align=right valign=top><a name="_x_t_r___d_ha24" doxytag="PK_VerifierBase::BERDecode"></a>void </td><td class="memItemRight" valign=bottom><a class="el" href="class_p_k___verifier_base.html#_x_t_r___d_ha24">BERDecode</a> (<a class="el" href="class_buffered_transformation.html">BufferedTransformation</a> &bt)</td></tr><tr><td class="mdescLeft"> </td><td class="mdescRight">for backwards compatibility, calls <a class="el" href="class_asymmetric_algorithm.html#_asymmetric_algorithma0">AccessMaterial()</a>.Load(bt) <br><br></td></tr><tr><td class="memItemLeft" nowrap align=right valign=top><a name="_verifier_with_recovery_templatea23" doxytag="PK_VerifierBase::DEREncode"></a>void </td><td class="memItemRight" valign=bottom><a class="el" href="class_p_k___verifier_base.html#_verifier_with_recovery_templatea23">DEREncode</a> (<a class="el" href="class_buffered_transformation.html">BufferedTransformation</a> &bt) const</td></tr><tr><td class="mdescLeft"> </td><td class="mdescRight">for backwards compatibility, calls <a class="el" href="class_asymmetric_algorithm.html#_asymmetric_algorithma1">GetMaterial()</a>.Save(bt) <br><br></td></tr><tr><td class="memItemLeft" nowrap align=right valign=top><a name="_zlib_decompressora17" doxytag="PK_VerifierBase::AlgorithmName"></a>virtual std::string </td><td class="memItemRight" valign=bottom><a class="el" href="class_p_k___verifier_base.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><tr><td class="memItemLeft" nowrap align=right valign=top><a name="_zlib_decompressora18" doxytag="PK_VerifierBase::Clone"></a>virtual <a class="el" href="class_clonable.html">Clonable</a> * </td><td class="memItemRight" valign=bottom><a class="el" href="class_p_k___verifier_base.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></table><hr><h2>Member Function Documentation</h2><a name="_p_k___verifier_impla11" doxytag="PK_VerifierBase::VerifyAndRestart"></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" colspan="4">template<class H> </td> </tr> <tr> <td class="md" nowrap valign="top"> bool <a class="el" href="class_p_k___verifier_base.html">PK_VerifierBase</a>< H >::VerifyAndRestart </td> <td class="md" valign="top">( </td> <td class="md" nowrap valign="top"><a class="el" href="class_hash_transformation.html">HashTransformation</a> & </td> <td class="mdname" nowrap> <em>messageAccumulator</em>, </td> </tr> <tr> <td></td> <td></td> <td class="md" nowrap>const byte * </td> <td class="mdname" nowrap> <em>sig</em></td> </tr> <tr> <td></td> <td class="md">) </td> <td class="md" colspan="2"> const<code> [virtual]</code></td> </tr> </table> </td> </tr></table><table cellspacing=5 cellpadding=0 border=0> <tr> <td> </td> <td><p>check whether sig is a valid signature for messageAccumulator, and restart messageAccumulator <p><dl compact><dt><b>Note:</b></dt><dd>depending on <a class="el" href="class_p_k___verifier.html#_verifier_with_recovery_templatea14">SignatureUpfrontForVerification()</a>, signature is either the current or the next signature </dd></dl><dl compact><dt><b>Parameters:</b></dt><dd> <table border="0" cellspacing="2" cellpadding="0"> <tr><td valign=top><em>signature</em> </td><td>may be NULL to indicate that the next signature is not available yet</td></tr> </table></dl><p>Implements <a class="el" href="class_p_k___verifier.html#_p_k___verifier_with_recoverya11">PK_Verifier</a>.<p>Definition at line <a class="el" href="pubkey_8h-source.html#l00449">449</a> of file <a class="el" href="pubkey_8h-source.html">pubkey.h</a>.<p>References <a class="el" href="class_hash_transformation.html#_x_m_a_c_ca9">HashTransformation::DigestSize()</a>, <a class="el" href="cryptlib_8h-source.html#l00526">HashTransformation::Final()</a>, <a class="el" href="secblock_8h-source.html#l00264">SecBlock< byte >::size()</a>, and DigestVerifier::VerifyDigest(). </td> </tr></table><a name="_verifier_with_recovery_templatea14" doxytag="PK_VerifierBase::SignatureUpfrontForVerification"></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_Verifier::SignatureUpfrontForVerification </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> [inline, virtual, inherited]</code></td> </tr> </table> </td> </tr></table><table cellspacing=5 cellpadding=0 border=0>⌨️ 快捷键说明
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