<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/> <title>Crypto++: TF_VerifierBase Class Reference</title> <link href="tabs.css" rel="stylesheet" type="text/css"/> <link href="doxygen.css" rel="stylesheet" type="text/css"/> </head> <body> <!-- Generated by Doxygen 1.7.3 --> <div id="top"> <div id="titlearea"> <table cellspacing="0" cellpadding="0"> <tbody> <tr style="height: 56px;"> <td style="padding-left: 0.5em;"> <div id="projectname">Crypto++</div> </td> </tr> </tbody> </table> </div> <div id="navrow1" class="tabs"> <ul class="tablist"> <li><a href="index.html"><span>Main Page</span></a></li> <li><a href="namespaces.html"><span>Namespaces</span></a></li> <li class="current"><a href="annotated.html"><span>Classes</span></a></li> <li><a href="files.html"><span>Files</span></a></li> </ul> </div> <div id="navrow2" class="tabs2"> <ul class="tablist"> <li><a href="annotated.html"><span>Class List</span></a></li> <li><a href="classes.html"><span>Class Index</span></a></li> <li><a href="hierarchy.html"><span>Class Hierarchy</span></a></li> <li><a href="functions.html"><span>Class Members</span></a></li> </ul> </div> </div> <div class="header"> <div class="summary"> <a href="#pub-methods">Public Member Functions</a> | <a href="#pro-types">Protected Types</a> | <a href="#pro-methods">Protected Member Functions</a> </div> <div class="headertitle"> <h1>TF_VerifierBase Class Reference</h1> </div> </div> <div class="contents"> <!-- doxytag: class="TF_VerifierBase" --><!-- doxytag: inherits="TF_SignatureSchemeBase< PK_Verifier, TF_Base< TrapdoorFunction, PK_SignatureMessageEncodingMethod > >" --> <p>_ <a href="#_details">More...</a></p> <p><code>#include <<a class="el" href="pubkey_8h_source.html">pubkey.h</a>></code></p> <div class="dynheader"> Inheritance diagram for TF_VerifierBase:</div> <div class="dyncontent"> <div class="center"> <img src="class_t_f___verifier_base.png" usemap="#TF_VerifierBase_map" alt=""/> <map id="TF_VerifierBase_map" name="TF_VerifierBase_map"> <area href="class_t_f___signature_scheme_base.html" alt="TF_SignatureSchemeBase< PK_Verifier, TF_Base< TrapdoorFunction, PK_SignatureMessageEncodingMethod > >" shape="rect" coords="677,280,1344,304"/> <area href="class_p_k___verifier.html" alt="PK_Verifier" shape="rect" coords="338,224,1005,248"/> <area href="class_t_f___base.html" alt="TF_Base< TrapdoorFunction, PK_SignatureMessageEncodingMethod >" shape="rect" coords="1015,224,1682,248"/> <area href="class_p_k___signature_scheme.html" alt="PK_SignatureScheme" shape="rect" coords="0,168,667,192"/> <area href="class_public_key_algorithm.html" alt="PublicKeyAlgorithm" shape="rect" coords="677,168,1344,192"/> <area href="class_asymmetric_algorithm.html" alt="AsymmetricAlgorithm" shape="rect" coords="677,112,1344,136"/> <area href="class_algorithm.html" alt="Algorithm" shape="rect" coords="677,56,1344,80"/> <area href="class_clonable.html" alt="Clonable" shape="rect" coords="677,0,1344,24"/> <area href="class_algorithm_impl.html" alt="AlgorithmImpl< TF_VerifierBase, SCHEME_OPTIONS::AlgorithmInfo >" shape="rect" coords="677,392,1344,416"/> <area href="class_t_f___object_impl_base.html" alt="TF_ObjectImplBase< TF_VerifierBase, SCHEME_OPTIONS, SCHEME_OPTIONS::PublicKey >" shape="rect" coords="677,448,1344,472"/> <area href="class_t_f___object_impl.html" alt="TF_ObjectImpl< TF_VerifierBase, SCHEME_OPTIONS, SCHEME_OPTIONS::PublicKey >" shape="rect" coords="677,504,1344,528"/> <area href="class_t_f___verifier_impl.html" alt="TF_VerifierImpl< SCHEME_OPTIONS >" shape="rect" coords="677,560,1344,584"/> </map> </div></div> <p><a href="class_t_f___verifier_base-members.html">List of all members.</a></p> <table class="memberdecls"> <tr><td colspan="2"><h2><a name="pub-methods"></a> Public Member Functions</h2></td></tr> <tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a45485ca98bca3ac643aa3067f1824abd"></a><!-- doxytag: member="TF_VerifierBase::InputSignature" ref="a45485ca98bca3ac643aa3067f1824abd" args="(PK_MessageAccumulator &messageAccumulator, const byte *signature, size_t signatureLength) const " --> void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_t_f___verifier_base.html#a45485ca98bca3ac643aa3067f1824abd">InputSignature</a> (<a class="el" href="class_p_k___message_accumulator.html">PK_MessageAccumulator</a> &messageAccumulator, const byte *signature, size_t signatureLength) const </td></tr> <tr><td class="mdescLeft"> </td><td class="mdescRight">input signature into a message accumulator <br/></td></tr> <tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="ade187ebe9057cd724638d0d4ee45fae2"></a><!-- doxytag: member="TF_VerifierBase::VerifyAndRestart" ref="ade187ebe9057cd724638d0d4ee45fae2" args="(PK_MessageAccumulator &messageAccumulator) const " --> bool </td><td class="memItemRight" valign="bottom"><a class="el" href="class_t_f___verifier_base.html#ade187ebe9057cd724638d0d4ee45fae2">VerifyAndRestart</a> (<a class="el" href="class_p_k___message_accumulator.html">PK_MessageAccumulator</a> &messageAccumulator) const </td></tr> <tr><td class="mdescLeft"> </td><td class="mdescRight">check whether messageAccumulator contains a valid signature and message, and restart messageAccumulator <br/></td></tr> <tr><td class="memItemLeft" align="right" valign="top"><a class="el" href="struct_decoding_result.html">DecodingResult</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="class_t_f___verifier_base.html#a73a03f321bf157096c2efd67d471c19f">RecoverAndRestart</a> (byte *recoveredMessage, <a class="el" href="class_p_k___message_accumulator.html">PK_MessageAccumulator</a> &recoveryAccumulator) const </td></tr> <tr><td class="mdescLeft"> </td><td class="mdescRight">recover a message from its signature <a href="#a73a03f321bf157096c2efd67d471c19f"></a><br/></td></tr> <tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a09133b19f0a89459543ae67b2c6c881a"></a><!-- doxytag: member="TF_VerifierBase::SignatureLength" ref="a09133b19f0a89459543ae67b2c6c881a" args="() const" --> size_t </td><td class="memItemRight" valign="bottom"><a class="el" href="class_t_f___signature_scheme_base.html#a09133b19f0a89459543ae67b2c6c881a">SignatureLength</a> () const</td></tr> <tr><td class="mdescLeft"> </td><td class="mdescRight">signature length if it only depends on the key, otherwise 0 <br/></td></tr> <tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="ab3db793f17e5948514b78b862f4622d1"></a><!-- doxytag: member="TF_VerifierBase::MaxRecoverableLength" ref="ab3db793f17e5948514b78b862f4622d1" args="() const" --> size_t </td><td class="memItemRight" valign="bottom"><a class="el" href="class_t_f___signature_scheme_base.html#ab3db793f17e5948514b78b862f4622d1">MaxRecoverableLength</a> () const</td></tr> <tr><td class="mdescLeft"> </td><td class="mdescRight">length of longest message that can be recovered, or 0 if this signature scheme does not support message recovery <br/></td></tr> <tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="af7a486e575d871dbcbd7dc6af33f1305"></a><!-- doxytag: member="TF_VerifierBase::MaxRecoverableLengthFromSignatureLength" ref="af7a486e575d871dbcbd7dc6af33f1305" args="(size_t signatureLength) const" --> size_t </td><td class="memItemRight" valign="bottom"><a class="el" href="class_t_f___signature_scheme_base.html#af7a486e575d871dbcbd7dc6af33f1305">MaxRecoverableLengthFromSignatureLength</a> (size_t signatureLength) const</td></tr> <tr><td class="mdescLeft"> </td><td class="mdescRight">length of longest message that can be recovered from a signature of given length, or 0 if this signature scheme does not support message recovery <br/></td></tr> <tr><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="class_t_f___signature_scheme_base.html#abe87eb9e2ac692612310e4c47f482f90">IsProbabilistic</a> () const</td></tr> <tr><td class="mdescLeft"> </td><td class="mdescRight">requires a random number generator to sign <a href="#abe87eb9e2ac692612310e4c47f482f90"></a><br/></td></tr> <tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a2885774c3257b611275f94e2343593d6"></a><!-- doxytag: member="TF_VerifierBase::AllowNonrecoverablePart" ref="a2885774c3257b611275f94e2343593d6" args="() const" --> bool </td><td class="memItemRight" valign="bottom"><a class="el" href="class_t_f___signature_scheme_base.html#a2885774c3257b611275f94e2343593d6">AllowNonrecoverablePart</a> () const</td></tr> <tr><td class="mdescLeft"> </td><td class="mdescRight">whether or not a non-recoverable message part can be signed <br/></td></tr> <tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a62782b021b7387ec542e85efb69bd043"></a><!-- doxytag: member="TF_VerifierBase::RecoverablePartFirst" ref="a62782b021b7387ec542e85efb69bd043" args="() const" --> bool </td><td class="memItemRight" valign="bottom"><a class="el" href="class_t_f___signature_scheme_base.html#a62782b021b7387ec542e85efb69bd043">RecoverablePartFirst</a> () const</td></tr> <tr><td class="mdescLeft"> </td><td class="mdescRight">whether you must input the recoverable part before the non-recoverable part during signing <br/></td></tr> <tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="acd874268dab653dde01409fc9dfd2069"></a><!-- doxytag: member="TF_VerifierBase::NewVerificationAccumulator" ref="acd874268dab653dde01409fc9dfd2069" args="() const =0" --> virtual <a class="el" href="class_p_k___message_accumulator.html">PK_MessageAccumulator</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="class_p_k___verifier.html#acd874268dab653dde01409fc9dfd2069">NewVerificationAccumulator</a> () const =0</td></tr> <tr><td class="mdescLeft"> </td><td class="mdescRight">create a new <a class="el" href="class_hash_transformation.html" title="interface for hash functions and data processing part of MACs">HashTransformation</a> to accumulate the message to be verified <br/></td></tr> <tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a002461c71eaacb022a0d169975a6f752"></a><!-- doxytag: member="TF_VerifierBase::Verify" ref="a002461c71eaacb022a0d169975a6f752" args="(PK_MessageAccumulator *messageAccumulator) const " --> virtual bool </td><td class="memItemRight" valign="bottom"><a class="el" href="class_p_k___verifier.html#a002461c71eaacb022a0d169975a6f752">Verify</a> (<a class="el" href="class_p_k___message_accumulator.html">PK_MessageAccumulator</a> *messageAccumulator) const </td></tr> <tr><td class="mdescLeft"> </td><td class="mdescRight">check whether messageAccumulator contains a valid signature and message, and delete messageAccumulator (even in case of exception thrown) <br/></td></tr> <tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a4640a967fd291f8be86c1b721dc73b2d"></a><!-- doxytag: member="TF_VerifierBase::VerifyMessage" ref="a4640a967fd291f8be86c1b721dc73b2d" args="(const byte *message, size_t messageLen, const byte *signature, size_t signatureLength) const " --> virtual bool </td><td class="memItemRight" valign="bottom"><a class="el" href="class_p_k___verifier.html#a4640a967fd291f8be86c1b721dc73b2d">VerifyMessage</a> (const byte *message, size_t messageLen, const byte *signature, size_t signatureLength) const </td></tr> <tr><td class="mdescLeft"> </td><td class="mdescRight">check whether input signature is a valid signature for input message <br/></td></tr> <tr><td class="memItemLeft" align="right" valign="top">virtual <a class="el" href="struct_decoding_result.html">DecodingResult</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="class_p_k___verifier.html#a25a928c76d7bc73e1a04d85266b46382">Recover</a> (byte *recoveredMessage, <a class="el" href="class_p_k___message_accumulator.html">PK_MessageAccumulator</a> *messageAccumulator) const </td></tr> <tr><td class="mdescLeft"> </td><td class="mdescRight">recover a message from its signature <a href="#a25a928c76d7bc73e1a04d85266b46382"></a><br/></td></tr> <tr><td class="memItemLeft" align="right" valign="top">virtual <a class="el" href="struct_decoding_result.html">DecodingResult</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="class_p_k___verifier.html#a95dff7c35894d953b54d09d1973787da">RecoverMessage</a> (byte *recoveredMessage, const byte *nonrecoverableMessage, size_t nonrecoverableMessageLength, const byte *signature, size_t signatureLength) const </td></tr> <tr><td class="mdescLeft"> </td><td class="mdescRight">recover a message from its signature <a href="#a95dff7c35894d953b54d09d1973787da"></a><br/></td></tr> <tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="af04668d211a923ba03f2721c220272e9"></a><!-- doxytag: member="TF_VerifierBase::MaxSignatureLength" ref="af04668d211a923ba03f2721c220272e9" args="(size_t recoverablePartLength=0) const " --> virtual size_t </td><td class="memItemRight" valign="bottom"><a class="el" href="class_p_k___signature_scheme.html#af04668d211a923ba03f2721c220272e9">MaxSignatureLength</a> (size_t recoverablePartLength=0) const </td></tr> <tr><td class="mdescLeft"> </td><td class="mdescRight">maximum signature length produced for a given length of recoverable message part <br/></td></tr> <tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a780bca8d276b62bd28a54382f208ce36"></a><!-- doxytag: member="TF_VerifierBase::SignatureUpfront" ref="a780bca8d276b62bd28a54382f208ce36" args="() const " --> virtual bool </td><td class="memItemRight" valign="bottom"><a class="el" href="class_p_k___signature_scheme.html#a780bca8d276b62bd28a54382f208ce36">SignatureUpfront</a> () const </td></tr> <tr><td class="mdescLeft"> </td><td class="mdescRight">if this function returns true, during verification you must input the signature before the message, otherwise you can input it at anytime */ <br/></td></tr> <tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a74b77db3086e07caf5506fda9ec204e7"></a><!-- doxytag: member="TF_VerifierBase::AccessMaterial" ref="a74b77db3086e07caf5506fda9ec204e7" args="()" --> <a class="el" href="class_crypto_material.html">CryptoMaterial</a> & </td><td class="memItemRight" valign="bottom"><a class="el" href="class_public_key_algorithm.html#a74b77db3086e07caf5506fda9ec204e7">AccessMaterial</a> ()</td></tr> <tr><td class="mdescLeft"> </td><td class="mdescRight">returns a reference to the crypto material used by this object <br/></td></tr> <tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="aadbb6acca8905a61d75f1951d53a90e5"></a><!-- doxytag: member="TF_VerifierBase::GetMaterial" ref="aadbb6acca8905a61d75f1951d53a90e5" args="() const " --> const <a class="el" href="class_crypto_material.html">CryptoMaterial</a> & </td><td class="memItemRight" valign="bottom"><a class="el" href="class_public_key_algorithm.html#aadbb6acca8905a61d75f1951d53a90e5">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/></td></tr> <tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a47cd0fed475280962ab6337c6c57c882"></a><!-- doxytag: member="TF_VerifierBase::AccessPublicKey" ref="a47cd0fed475280962ab6337c6c57c882" args="()=0" --> 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" align="right" valign="top"><a class="anchor" id="abeb33c2c3b6b362ba37f2d39fbf75834"></a><!-- doxytag: member="TF_VerifierBase::GetPublicKey" ref="abeb33c2c3b6b362ba37f2d39fbf75834" args="() const " --> 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" align="right" valign="top"><a class="anchor" id="a522dbfcd5c1a46bf1be301cec26d6534"></a><!-- doxytag: member="TF_VerifierBase::BERDecode" ref="a522dbfcd5c1a46bf1be301cec26d6534" args="(BufferedTransformation &bt)" --> void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_asymmetric_algorithm.html#a522dbfcd5c1a46bf1be301cec26d6534">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#ad99d55413166b69a0a12e10d111926c8" title="returns a reference to the crypto material used by this object">AccessMaterial()</a>.Load(bt) <br/></td></tr> <tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a2d704079890783422b0a44653480ab83"></a><!-- doxytag: member="TF_VerifierBase::DEREncode" ref="a2d704079890783422b0a44653480ab83" args="(BufferedTransformation &bt) const " --> void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_asymmetric_algorithm.html#a2d704079890783422b0a44653480ab83">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#adf9cc798c5a2d20ab3436dbad8e6df2d" title="returns a const reference to the crypto material used by this object">GetMaterial()</a>.Save(bt) <br/></td></tr> <tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="acd21c6715add4884fa043eaf51655039"></a><!-- doxytag: member="TF_VerifierBase::AlgorithmName" ref="acd21c6715add4884fa043eaf51655039" args="() const " --> virtual std::string </td><td class="memItemRight" valign="bottom"><a class="el" href="class_algorithm.html#acd21c6715add4884fa043eaf51655039">AlgorithmName</a> () const </td></tr> <tr><td class="mdescLeft"> </td><td class="mdescRight">returns name of this algorithm, not universally implemented yet <br/></td></tr> <tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a24b43349a71e1f98508eeb10b31a0a62"></a><!-- doxytag: member="TF_VerifierBase::Clone" ref="a24b43349a71e1f98508eeb10b31a0a62" args="() const " --> virtual <a class="el" href="class_clonable.html">Clonable</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="class_clonable.html#a24b43349a71e1f98508eeb10b31a0a62">Clone</a> () const </td></tr> <tr><td class="mdescLeft"> </td><td class="mdescRight">this is not implemented by most classes yet <br/></td></tr> <tr><td colspan="2"><h2><a name="pro-types"></a> Protected Types</h2></td></tr> <tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a33e2d6c0fbb715a5255edd5e84a849fb"></a><!-- doxytag: member="TF_VerifierBase::TrapdoorFunctionInterface" ref="a33e2d6c0fbb715a5255edd5e84a849fb" args="" --> typedef <a class="el" href="class_trapdoor_function.html">TrapdoorFunction</a> </td><td class="memItemRight" valign="bottom"><b>TrapdoorFunctionInterface</b></td></tr> <tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a06b4d20aa32c616a1d0d2b8bee909436"></a><!-- doxytag: member="TF_VerifierBase::MessageEncodingInterface" ref="a06b4d20aa32c616a1d0d2b8bee909436" args="" --> typedef <br class="typebreak"/> <a class="el" href="class_p_k___signature_message_encoding_method.html">PK_SignatureMessageEncodingMethod</a> </td><td class="memItemRight" valign="bottom"><b>MessageEncodingInterface</b></td></tr> <tr><td colspan="2"><h2><a name="pro-methods"></a> Protected Member Functions</h2></td></tr> <tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="ae719523de60aa3ea9902d1fd1c6f6926"></a><!-- doxytag: member="TF_VerifierBase::MessageRepresentativeLength" ref="ae719523de60aa3ea9902d1fd1c6f6926" args="() const" --> size_t </td><td class="memItemRight" valign="bottom"><b>MessageRepresentativeLength</b> () const</td></tr> <tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="ac24a317ece12b61dd33b10f948fac969"></a><!-- doxytag: member="TF_VerifierBase::MessageRepresentativeBitLength" ref="ac24a317ece12b61dd33b10f948fac969" args="() const" --> size_t </td><td class="memItemRight" valign="bottom"><b>MessageRepresentativeBitLength</b> () const</td></tr> <tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a0463482e6f65364c8ee948269802573a"></a><!-- doxytag: member="TF_VerifierBase::GetHashIdentifier" ref="a0463482e6f65364c8ee948269802573a" args="() const =0" --> virtual HashIdentifier </td><td class="memItemRight" valign="bottom"><b>GetHashIdentifier</b> () const =0</td></tr> <tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a775aa510f351bc2832ee5088df3f556f"></a><!-- doxytag: member="TF_VerifierBase::GetDigestSize" ref="a775aa510f351bc2832ee5088df3f556f" args="() const =0" --> virtual size_t </td><td class="memItemRight" valign="bottom"><b>GetDigestSize</b> () const =0</td></tr> <tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a91a0b93853efa8d2dbb54a5473adc1e9"></a><!-- doxytag: member="TF_VerifierBase::GetTrapdoorFunctionBounds" ref="a91a0b93853efa8d2dbb54a5473adc1e9" args="() const =0" --> virtual const <br class="typebreak"/> <a class="el" href="class_trapdoor_function_bounds.html">TrapdoorFunctionBounds</a> & </td><td class="memItemRight" valign="bottom"><b>GetTrapdoorFunctionBounds</b> () const =0</td></tr> <tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="ab0343355a27d810970828bc26bf80682"></a><!-- doxytag: member="TF_VerifierBase::GetTrapdoorFunctionInterface" ref="ab0343355a27d810970828bc26bf80682" args="() const =0" --> virtual const <br class="typebreak"/> <a class="el" href="class_trapdoor_function.html">TrapdoorFunctionInterface</a> & </td><td class="memItemRight" valign="bottom"><b>GetTrapdoorFunctionInterface</b> () const =0</td></tr> <tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a4cf32c7b5ac95767059781c22311d13a"></a><!-- doxytag: member="TF_VerifierBase::GetMessageEncodingInterface" ref="a4cf32c7b5ac95767059781c22311d13a" args="() const =0" --> virtual const <br class="typebreak"/> <a class="el" href="class_p_k___signature_message_encoding_method.html">MessageEncodingInterface</a> & </td><td class="memItemRight" valign="bottom"><b>GetMessageEncodingInterface</b> () const =0</td></tr> </table> <hr/><a name="_details"></a><h2>Detailed Description</h2> <div class="textblock"><p>_ </p> <p>Definition at line <a class="el" href="pubkey_8h_source.html#l00343">343</a> of file <a class="el" href="pubkey_8h_source.html">pubkey.h</a>.</p> </div><hr/><h2>Member Function Documentation</h2> <a class="anchor" id="a73a03f321bf157096c2efd67d471c19f"></a><!-- doxytag: member="TF_VerifierBase::RecoverAndRestart" ref="a73a03f321bf157096c2efd67d471c19f" args="(byte *recoveredMessage, PK_MessageAccumulator &recoveryAccumulator) const " --> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname"><a class="el" href="struct_decoding_result.html">DecodingResult</a> TF_VerifierBase::RecoverAndRestart </td> <td>(</td> <td class="paramtype">byte * </td> <td class="paramname"><em>recoveredMessage</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype"><a class="el" href="class_p_k___message_accumulator.html">PK_MessageAccumulator</a> & </td> <td class="paramname"><em>messageAccumulator</em> </td> </tr> <tr> <td></td> <td>)</td> <td></td><td> const<code> [virtual]</code></td> </tr> </table> </div> <div class="memdoc"> <p>recover a message from its signature </p> <dl class="pre"><dt><b>Precondition:</b></dt><dd>size of recoveredMessage == MaxRecoverableLengthFromSignatureLength(signatureLength) </dd></dl> <p>Implements <a class="el" href="class_p_k___verifier.html#a6612ff44a274594890419ae75d260cce">PK_Verifier</a>.</p> <p>Definition at line <a class="el" href="pubkey_8cpp_source.html#l00120">120</a> of file <a class="el" href="pubkey_8cpp_source.html">pubkey.cpp</a>.</p> <p>References <a class="el" href="class_hash_transformation.html#a9f42cc280bac76b884ad12615c0dabb5">HashTransformation::DigestSize()</a>.</p> </div> </div> <a class="anchor" id="abe87eb9e2ac692612310e4c47f482f90"></a><!-- doxytag: member="TF_VerifierBase::IsProbabilistic" ref="abe87eb9e2ac692612310e4c47f482f90" args="() const" --> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">bool <a class="el" href="class_t_f___signature_scheme_base.html">TF_SignatureSchemeBase</a>< <a class="el" href="class_p_k___verifier.html">PK_Verifier</a> , <a class="el" href="class_t_f___base.html">TF_Base</a>< <a class="el" href="class_trapdoor_function.html">TrapdoorFunction</a>, <a class="el" href="class_p_k___signature_message_encoding_method.html">PK_SignatureMessageEncodingMethod</a> > >::IsProbabilistic </td> <td>(</td> <td class="paramname"></td><td>)</td> <td> const<code> [inline, virtual, inherited]</code></td> </tr> </table> </div> <div class="memdoc"> <p>Implements <a class="el" href="class_p_k___signature_scheme.html#adeb758d5f8ae8fad137d11ad1c5c60c0">PK_SignatureScheme</a>.</p> <p>Definition at line <a class="el" href="pubkey_8h_source.html#l00320">320</a> of file <a class="el" href="pubkey_8h_source.html">pubkey.h</a>.</p> </div> </div> <a class="anchor" id="a25a928c76d7bc73e1a04d85266b46382"></a><!-- doxytag: member="TF_VerifierBase::Recover" ref="a25a928c76d7bc73e1a04d85266b46382" args="(byte *recoveredMessage, PK_MessageAccumulator *messageAccumulator) const " --> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname"><a class="el" href="struct_decoding_result.html">DecodingResult</a> PK_Verifier::Recover </td> <td>(</td> <td class="paramtype">byte * </td> <td class="paramname"><em>recoveredMessage</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype"><a class="el" href="class_p_k___message_accumulator.html">PK_MessageAccumulator</a> * </td> <td class="paramname"><em>messageAccumulator</em> </td> </tr> <tr> <td></td> <td>)</td> <td></td><td> const<code> [virtual, inherited]</code></td> </tr> </table> </div> <div class="memdoc"> <p>recover a message from its signature </p> <dl class="pre"><dt><b>Precondition:</b></dt><dd>size of recoveredMessage == MaxRecoverableLengthFromSignatureLength(signatureLength) </dd></dl> <p>Definition at line <a class="el" href="cryptlib_8cpp_source.html#l00792">792</a> of file <a class="el" href="cryptlib_8cpp_source.html">cryptlib.cpp</a>.</p> <p>References <a class="el" href="class_p_k___verifier.html#a6612ff44a274594890419ae75d260cce">PK_Verifier::RecoverAndRestart()</a>.</p> </div> </div> <a class="anchor" id="a95dff7c35894d953b54d09d1973787da"></a><!-- doxytag: member="TF_VerifierBase::RecoverMessage" ref="a95dff7c35894d953b54d09d1973787da" args="(byte *recoveredMessage, const byte *nonrecoverableMessage, size_t nonrecoverableMessageLength, const byte *signature, size_t signatureLength) const " --> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname"><a class="el" href="struct_decoding_result.html">DecodingResult</a> PK_Verifier::RecoverMessage </td> <td>(</td> <td class="paramtype">byte * </td> <td class="paramname"><em>recoveredMessage</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">const byte * </td> <td class="paramname"><em>nonrecoverableMessage</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">size_t </td> <td class="paramname"><em>nonrecoverableMessageLength</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">const byte * </td> <td class="paramname"><em>signature</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">size_t </td> <td class="paramname"><em>signatureLength</em> </td> </tr> <tr> <td></td> <td>)</td> <td></td><td> const<code> [virtual, inherited]</code></td> </tr> </table> </div> <div class="memdoc"> <p>recover a message from its signature </p> <dl class="pre"><dt><b>Precondition:</b></dt><dd>size of recoveredMessage == MaxRecoverableLengthFromSignatureLength(signatureLength) </dd></dl> <p>Definition at line <a class="el" href="cryptlib_8cpp_source.html#l00798">798</a> of file <a class="el" href="cryptlib_8cpp_source.html">cryptlib.cpp</a>.</p> <p>References <a class="el" href="class_p_k___verifier.html#a515aa448e7fc3a5c6e422e65500ab507">PK_Verifier::InputSignature()</a>, <a class="el" href="class_p_k___verifier.html#acd874268dab653dde01409fc9dfd2069">PK_Verifier::NewVerificationAccumulator()</a>, and <a class="el" href="class_p_k___verifier.html#a6612ff44a274594890419ae75d260cce">PK_Verifier::RecoverAndRestart()</a>.</p> </div> </div> <hr/>The documentation for this class was generated from the following files:<ul> <li><a class="el" href="pubkey_8h_source.html">pubkey.h</a></li> <li><a class="el" href="pubkey_8cpp_source.html">pubkey.cpp</a></li> </ul> </div> <hr class="footer"/><address class="footer"><small>Generated on Tue Feb 8 2011 for Crypto++ by  <a href="http://www.doxygen.org/index.html"> <img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.7.3 </small></address> 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