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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"><html><head><meta http-equiv="Content-Type" content="text/html;charset=UTF-8"><title>Crypto++: TF_SignerBase Class Reference</title><link href="doxygen.css" rel="stylesheet" type="text/css"><link href="tabs.css" rel="stylesheet" type="text/css"></head><body><!-- Generated by Doxygen 1.5.2 --><div class="tabs"> <ul> <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="classes.html"><span>Classes</span></a></li> <li><a href="files.html"><span>Files</span></a></li> </ul></div><div class="tabs"> <ul> <li><a href="classes.html"><span>Alphabetical List</span></a></li> <li><a href="annotated.html"><span>Class List</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><h1>TF_SignerBase Class Reference</h1><!-- doxytag: class="TF_SignerBase" --><!-- doxytag: inherits="TF_SignatureSchemeBase< PK_Signer, TF_Base< RandomizedTrapdoorFunctionInverse, PK_SignatureMessageEncodingMethod > >" --><code>#include <<a class="el" href="pubkey_8h-source.html">pubkey.h</a>></code><p><p>Inheritance diagram for TF_SignerBase:<p><center><img src="class_t_f___signer_base.png" usemap="#TF_SignerBase_map" border="0" alt=""></center><map name="TF_SignerBase_map"><area href="class_t_f___signature_scheme_base.html" alt="TF_SignatureSchemeBase< PK_Signer, TF_Base< RandomizedTrapdoorFunctionInverse, PK_SignatureMessageEncodingMethod > >" shape="rect" coords="781,280,1552,304"><area href="class_p_k___signer.html" alt="PK_Signer" shape="rect" coords="390,224,1161,248"><area href="class_t_f___base.html" alt="TF_Base< RandomizedTrapdoorFunctionInverse, PK_SignatureMessageEncodingMethod >" shape="rect" coords="1171,224,1942,248"><area href="class_p_k___signature_scheme.html" alt="PK_SignatureScheme" shape="rect" coords="0,168,771,192"><area href="class_private_key_algorithm.html" alt="PrivateKeyAlgorithm" shape="rect" coords="781,168,1552,192"><area href="class_asymmetric_algorithm.html" alt="AsymmetricAlgorithm" shape="rect" coords="781,112,1552,136"><area href="class_algorithm.html" alt="Algorithm" shape="rect" coords="781,56,1552,80"><area href="class_clonable.html" alt="Clonable" shape="rect" coords="781,0,1552,24"><area href="class_algorithm_impl.html" alt="AlgorithmImpl< TF_SignerBase, SCHEME_OPTIONS::AlgorithmInfo >" shape="rect" coords="781,392,1552,416"><area href="class_t_f___object_impl_base.html" alt="TF_ObjectImplBase< TF_SignerBase, SCHEME_OPTIONS, SCHEME_OPTIONS::PrivateKey >" shape="rect" coords="781,448,1552,472"><area href="class_t_f___object_impl.html" alt="TF_ObjectImpl< TF_SignerBase, SCHEME_OPTIONS, SCHEME_OPTIONS::PrivateKey >" shape="rect" coords="781,504,1552,528"><area href="class_t_f___signer_impl.html" alt="TF_SignerImpl< SCHEME_OPTIONS >" shape="rect" coords="781,560,1552,584"></map><a href="class_t_f___signer_base-members.html">List of all members.</a><hr><a name="_details"></a><h2>Detailed Description</h2>_ <p><p>Definition at line <a class="el" href="pubkey_8h-source.html#l00335">335</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"><a class="anchor" name="4451069dd6bfd6e6ea4a3a2dfbc675e4"></a><!-- doxytag: member="TF_SignerBase::InputRecoverableMessage" ref="4451069dd6bfd6e6ea4a3a2dfbc675e4" args="(PK_MessageAccumulator &messageAccumulator, const byte *recoverableMessage, size_t recoverableMessageLength) const " -->void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_t_f___signer_base.html#4451069dd6bfd6e6ea4a3a2dfbc675e4">InputRecoverableMessage</a> (<a class="el" href="class_p_k___message_accumulator.html">PK_MessageAccumulator</a> &messageAccumulator, const byte *recoverableMessage, size_t recoverableMessageLength) const </td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top">size_t </td><td class="memItemRight" valign="bottom"><a class="el" href="class_t_f___signer_base.html#31c080b001c73b07ee26730383250fd7">SignAndRestart</a> (<a class="el" href="class_random_number_generator.html">RandomNumberGenerator</a> &rng, <a class="el" href="class_p_k___message_accumulator.html">PK_MessageAccumulator</a> &messageAccumulator, byte *signature, bool restart=true) const </td></tr><tr><td class="mdescLeft"> </td><td class="mdescRight">sign and restart messageAccumulator <a href="#31c080b001c73b07ee26730383250fd7"></a><br></td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="206919065f471c351afa3c1e04acb6a8"></a><!-- doxytag: member="TF_SignerBase::SignatureLength" ref="206919065f471c351afa3c1e04acb6a8" args="() const" -->size_t </td><td class="memItemRight" valign="bottom"><a class="el" href="class_t_f___signature_scheme_base.html#206919065f471c351afa3c1e04acb6a8">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" nowrap align="right" valign="top"><a class="anchor" name="dc3ec84462aecf2cab21999aff5f0904"></a><!-- doxytag: member="TF_SignerBase::MaxRecoverableLength" ref="dc3ec84462aecf2cab21999aff5f0904" args="() const" -->size_t </td><td class="memItemRight" valign="bottom"><a class="el" href="class_t_f___signature_scheme_base.html#dc3ec84462aecf2cab21999aff5f0904">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" nowrap align="right" valign="top"><a class="anchor" name="f7a486e575d871dbcbd7dc6af33f1305"></a><!-- doxytag: member="TF_SignerBase::MaxRecoverableLengthFromSignatureLength" ref="f7a486e575d871dbcbd7dc6af33f1305" args="(size_t signatureLength) const " -->size_t </td><td class="memItemRight" valign="bottom"><a class="el" href="class_t_f___signature_scheme_base.html#f7a486e575d871dbcbd7dc6af33f1305">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" nowrap align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="class_t_f___signature_scheme_base.html#db5ef45069481de1ceca75a847aa37f4">IsProbabilistic</a> () const</td></tr><tr><td class="mdescLeft"> </td><td class="mdescRight">requires a random number generator to sign <a href="#db5ef45069481de1ceca75a847aa37f4"></a><br></td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="83670675d672a58290d7b5ca2e00b0d4"></a><!-- doxytag: member="TF_SignerBase::AllowNonrecoverablePart" ref="83670675d672a58290d7b5ca2e00b0d4" args="() const" -->bool </td><td class="memItemRight" valign="bottom"><a class="el" href="class_t_f___signature_scheme_base.html#83670675d672a58290d7b5ca2e00b0d4">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" nowrap align="right" valign="top"><a class="anchor" name="7c241a57d4fc44139867e3c7b576884e"></a><!-- doxytag: member="TF_SignerBase::RecoverablePartFirst" ref="7c241a57d4fc44139867e3c7b576884e" args="() const" -->bool </td><td class="memItemRight" valign="bottom"><a class="el" href="class_t_f___signature_scheme_base.html#7c241a57d4fc44139867e3c7b576884e">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" nowrap align="right" valign="top"><a class="anchor" name="ff85d006e814ccc8ac943b145a0bfaf9"></a><!-- doxytag: member="TF_SignerBase::NewSignatureAccumulator" ref="ff85d006e814ccc8ac943b145a0bfaf9" args="(RandomNumberGenerator &rng) 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___signer.html#ff85d006e814ccc8ac943b145a0bfaf9">NewSignatureAccumulator</a> (<a class="el" href="class_random_number_generator.html">RandomNumberGenerator</a> &rng) 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 signed <br></td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top">virtual size_t </td><td class="memItemRight" valign="bottom"><a class="el" href="class_p_k___signer.html#28de428238711210d765b6389062e6e2">Sign</a> (<a class="el" href="class_random_number_generator.html">RandomNumberGenerator</a> &rng, <a class="el" href="class_p_k___message_accumulator.html">PK_MessageAccumulator</a> *messageAccumulator, byte *signature) const </td></tr><tr><td class="mdescLeft"> </td><td class="mdescRight">sign and delete messageAccumulator (even in case of exception thrown) <a href="#28de428238711210d765b6389062e6e2"></a><br></td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top">virtual size_t </td><td class="memItemRight" valign="bottom"><a class="el" href="class_p_k___signer.html#6781cdd4a4a750a9720e268c90a24387">SignMessage</a> (<a class="el" href="class_random_number_generator.html">RandomNumberGenerator</a> &rng, const byte *message, size_t messageLen, byte *signature) const</td></tr><tr><td class="mdescLeft"> </td><td class="mdescRight">sign a message <a href="#6781cdd4a4a750a9720e268c90a24387"></a><br></td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top">virtual size_t </td><td class="memItemRight" valign="bottom"><a class="el" href="class_p_k___signer.html#76eb862d0cb8d80e0bee7ad52a0da707">SignMessageWithRecovery</a> (<a class="el" href="class_random_number_generator.html">RandomNumberGenerator</a> &rng, const byte *recoverableMessage, size_t recoverableMessageLength, const byte *nonrecoverableMessage, size_t nonrecoverableMessageLength, byte *signature) const </td></tr><tr><td class="mdescLeft"> </td><td class="mdescRight">sign a recoverable message <a href="#76eb862d0cb8d80e0bee7ad52a0da707"></a><br></td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="665909c10f27db81343a01c814488652"></a><!-- doxytag: member="TF_SignerBase::MaxSignatureLength" ref="665909c10f27db81343a01c814488652" 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#665909c10f27db81343a01c814488652">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" nowrap align="right" valign="top"><a class="anchor" name="8f62890f0485b9ca58528047871f8894"></a><!-- doxytag: member="TF_SignerBase::SignatureUpfront" ref="8f62890f0485b9ca58528047871f8894" args="() const" -->virtual bool </td><td class="memItemRight" valign="bottom"><a class="el" href="class_p_k___signature_scheme.html#8f62890f0485b9ca58528047871f8894">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" nowrap align="right" valign="top"><a class="anchor" name="48cf4528f16263f2200d5b908a0b8ffb"></a><!-- doxytag: member="TF_SignerBase::AccessMaterial" ref="48cf4528f16263f2200d5b908a0b8ffb" args="()" --><a class="el" href="class_crypto_material.html">CryptoMaterial</a> & </td><td class="memItemRight" valign="bottom"><a class="el" href="class_private_key_algorithm.html#48cf4528f16263f2200d5b908a0b8ffb">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" nowrap align="right" valign="top"><a class="anchor" name="59f3867165685cc6ac6be3f53d5f371b"></a><!-- doxytag: member="TF_SignerBase::GetMaterial" ref="59f3867165685cc6ac6be3f53d5f371b" args="() const" -->const <a class="el" href="class_crypto_material.html">CryptoMaterial</a> & </td><td class="memItemRight" valign="bottom"><a class="el" href="class_private_key_algorithm.html#59f3867165685cc6ac6be3f53d5f371b">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" nowrap align="right" valign="top"><a class="anchor" name="e2085815947c2ae7b3f9f614612e0c17"></a><!-- doxytag: member="TF_SignerBase::AccessPrivateKey" ref="e2085815947c2ae7b3f9f614612e0c17" args="()=0" -->virtual <a class="el" href="class_private_key.html">PrivateKey</a> & </td><td class="memItemRight" valign="bottom"><b>AccessPrivateKey</b> ()=0</td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="b36fe7af04ef624d38c0c06da5b89bb4"></a><!-- doxytag: member="TF_SignerBase::GetPrivateKey" ref="b36fe7af04ef624d38c0c06da5b89bb4" args="() const" -->virtual const <a class="el" href="class_private_key.html">PrivateKey</a> & </td><td class="memItemRight" valign="bottom"><a class="el" href="class_private_key_algorithm.html#b36fe7af04ef624d38c0c06da5b89bb4">GetPrivateKey</a> () const</td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="522dbfcd5c1a46bf1be301cec26d6534"></a><!-- doxytag: member="TF_SignerBase::BERDecode" ref="522dbfcd5c1a46bf1be301cec26d6534" args="(BufferedTransformation &bt)" -->void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_asymmetric_algorithm.html#522dbfcd5c1a46bf1be301cec26d6534">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#d99d55413166b69a0a12e10d111926c8" title="returns a reference to the crypto material used by this object">AccessMaterial()</a>.Load(bt) <br></td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="2d704079890783422b0a44653480ab83"></a><!-- doxytag: member="TF_SignerBase::DEREncode" ref="2d704079890783422b0a44653480ab83" args="(BufferedTransformation &bt) const " -->void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_asymmetric_algorithm.html#2d704079890783422b0a44653480ab83">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#eafe2b12d8353b6c639be41b57ef25de" title="returns a const reference to the crypto material used by this object">GetMaterial()</a>.Save(bt) <br></td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="4f31510a192d1121856efe8ad0a9b844"></a><!-- doxytag: member="TF_SignerBase::AlgorithmName" ref="4f31510a192d1121856efe8ad0a9b844" args="() const" -->virtual std::string </td><td class="memItemRight" valign="bottom"><a class="el" href="class_algorithm.html#4f31510a192d1121856efe8ad0a9b844">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" nowrap align="right" valign="top"><a class="anchor" name="d0016ba2d505c23aa85aad49e6c19bb7"></a><!-- doxytag: member="TF_SignerBase::Clone" ref="d0016ba2d505c23aa85aad49e6c19bb7" 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#d0016ba2d505c23aa85aad49e6c19bb7">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"><br><h2>Protected Types</h2></td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="33e2d6c0fbb715a5255edd5e84a849fb"></a><!-- doxytag: member="TF_SignerBase::TrapdoorFunctionInterface" ref="33e2d6c0fbb715a5255edd5e84a849fb" args="" -->typedef <a class="el" href="class_randomized_trapdoor_function_inverse.html">RandomizedTrapdoorFunctionInverse</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="class_t_f___base.html#33e2d6c0fbb715a5255edd5e84a849fb">TrapdoorFunctionInterface</a></td></tr>⌨️ 快捷键说明
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