class_p_k___verifier.html

著名的密码库Crypto++的文档 C++语言的杰作。程序员必备。

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          <td class="memname"><a class="el" href="struct_decoding_result.html">DecodingResult</a> PK_Verifier::Recover           </td>
          <td>(</td>
          <td class="paramtype">byte *&nbsp;</td>
          <td class="paramname"> <em>recoveredMessage</em>, </td>
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          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype"><a class="el" href="class_p_k___message_accumulator.html">PK_MessageAccumulator</a> *&nbsp;</td>
          <td class="paramname"> <em>messageAccumulator</em></td><td>&nbsp;</td>
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          <td></td>
          <td>)</td>
          <td></td><td></td><td width="100%"> const<code> [virtual]</code></td>
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recover a message from its signature 
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<dl class="pre" compact><dt><b>Precondition:</b></dt><dd>size of recoveredMessage == MaxRecoverableLengthFromSignatureLength(signatureLength) </dd></dl>

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Definition at line <a class="el" href="cryptlib_8cpp-source.html#l00685">685</a> of file <a class="el" href="cryptlib_8cpp-source.html">cryptlib.cpp</a>.
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References <a class="el" href="class_p_k___verifier.html#6612ff44a274594890419ae75d260cce">RecoverAndRestart()</a>.
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<a class="anchor" name="6612ff44a274594890419ae75d260cce"></a><!-- doxytag: member="PK_Verifier::RecoverAndRestart" ref="6612ff44a274594890419ae75d260cce" args="(byte *recoveredMessage, PK_MessageAccumulator &amp;messageAccumulator) const =0" -->
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          <td class="memname">virtual <a class="el" href="struct_decoding_result.html">DecodingResult</a> PK_Verifier::RecoverAndRestart           </td>
          <td>(</td>
          <td class="paramtype">byte *&nbsp;</td>
          <td class="paramname"> <em>recoveredMessage</em>, </td>
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          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype"><a class="el" href="class_p_k___message_accumulator.html">PK_MessageAccumulator</a> &amp;&nbsp;</td>
          <td class="paramname"> <em>messageAccumulator</em></td><td>&nbsp;</td>
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          <td>)</td>
          <td></td><td></td><td width="100%"> const<code> [pure virtual]</code></td>
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recover a message from its signature 
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<dl class="pre" compact><dt><b>Precondition:</b></dt><dd>size of recoveredMessage == MaxRecoverableLengthFromSignatureLength(signatureLength) </dd></dl>

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Implemented in <a class="el" href="class_t_f___verifier_base.html#fff8535e4229e7e27e0824ce68e7e723">TF_VerifierBase</a>, <a class="el" href="class_d_l___verifier_base.html#b37d4d41fcc169d71b5b3a9d1e508270">DL_VerifierBase&lt; T &gt;</a>, and <a class="el" href="class_d_l___verifier_base.html#b37d4d41fcc169d71b5b3a9d1e508270">DL_VerifierBase&lt; SCHEME_OPTIONS::Element &gt;</a>.
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Referenced by <a class="el" href="cryptlib_8cpp-source.html#l00685">Recover()</a>, and <a class="el" href="cryptlib_8cpp-source.html#l00691">RecoverMessage()</a>.
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<a class="anchor" name="05d969651d86a63d5002057113e0cab7"></a><!-- doxytag: member="PK_Verifier::RecoverMessage" ref="05d969651d86a63d5002057113e0cab7" args="(byte *recoveredMessage, const byte *nonrecoverableMessage, size_t nonrecoverableMessageLength, const byte *signature, size_t signatureLength) const" -->
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          <td class="memname"><a class="el" href="struct_decoding_result.html">DecodingResult</a> PK_Verifier::RecoverMessage           </td>
          <td>(</td>
          <td class="paramtype">byte *&nbsp;</td>
          <td class="paramname"> <em>recoveredMessage</em>, </td>
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          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">const byte *&nbsp;</td>
          <td class="paramname"> <em>nonrecoverableMessage</em>, </td>
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          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">size_t&nbsp;</td>
          <td class="paramname"> <em>nonrecoverableMessageLength</em>, </td>
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          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">const byte *&nbsp;</td>
          <td class="paramname"> <em>signature</em>, </td>
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          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">size_t&nbsp;</td>
          <td class="paramname"> <em>signatureLength</em></td><td>&nbsp;</td>
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          <td>)</td>
          <td></td><td></td><td width="100%"> const<code> [virtual]</code></td>
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recover a message from its signature 
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<dl class="pre" compact><dt><b>Precondition:</b></dt><dd>size of recoveredMessage == MaxRecoverableLengthFromSignatureLength(signatureLength) </dd></dl>

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Definition at line <a class="el" href="cryptlib_8cpp-source.html#l00691">691</a> of file <a class="el" href="cryptlib_8cpp-source.html">cryptlib.cpp</a>.
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References <a class="el" href="class_p_k___verifier.html#515aa448e7fc3a5c6e422e65500ab507">InputSignature()</a>, <a class="el" href="class_p_k___verifier.html#24203e25fdd33fa7cf3c4a2393444a78">NewVerificationAccumulator()</a>, and <a class="el" href="class_p_k___verifier.html#6612ff44a274594890419ae75d260cce">RecoverAndRestart()</a>.
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<a class="anchor" name="95da484b356e57bac7548b1ea51f64cd"></a><!-- doxytag: member="PK_Verifier::IsProbabilistic" ref="95da484b356e57bac7548b1ea51f64cd" args="() const=0" -->
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          <td class="memname">virtual bool PK_SignatureScheme::IsProbabilistic           </td>
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          <td>&nbsp;)&nbsp;</td>
          <td width="100%"> const<code> [pure virtual, inherited]</code></td>
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requires a random number generator to sign 
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if this returns false, <a class="el" href="cryptlib_8h.html#fcd6162a0a4d19df92106149e7eaf55a" title="returns a reference that can be passed to functions that ask for a RNG but doesn't...">NullRNG()</a> can be passed to functions that take <a class="el" href="class_random_number_generator.html" title="interface for random number generators">RandomNumberGenerator</a> &amp; 
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Implemented in <a class="el" href="class_t_f___signature_scheme_base.html#db5ef45069481de1ceca75a847aa37f4">TF_SignatureSchemeBase&lt; PK_Verifier, TF_Base&lt; TrapdoorFunction, PK_SignatureMessageEncodingMethod &gt; &gt;</a>, <a class="el" href="class_t_f___signature_scheme_base.html#db5ef45069481de1ceca75a847aa37f4">TF_SignatureSchemeBase&lt; PK_Signer, TF_Base&lt; RandomizedTrapdoorFunctionInverse, PK_SignatureMessageEncodingMethod &gt; &gt;</a>, <a class="el" href="class_d_l___signature_scheme_base.html#1c195318486467bcb8492ca5ea8fe5c7">DL_SignatureSchemeBase&lt; PK_Signer, DL_PrivateKey&lt; SCHEME_OPTIONS::Element &gt; &gt;</a>, <a class="el" href="class_d_l___signature_scheme_base.html#1c195318486467bcb8492ca5ea8fe5c7">DL_SignatureSchemeBase&lt; PK_Verifier, DL_PublicKey&lt; SCHEME_OPTIONS::Element &gt; &gt;</a>, <a class="el" href="class_d_l___signature_scheme_base.html#1c195318486467bcb8492ca5ea8fe5c7">DL_SignatureSchemeBase&lt; PK_Verifier, DL_PublicKey&lt; T &gt; &gt;</a>, and <a class="el" href="class_d_l___signature_scheme_base.html#1c195318486467bcb8492ca5ea8fe5c7">DL_SignatureSchemeBase&lt; PK_Signer, DL_PrivateKey&lt; T &gt; &gt;</a>.
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<hr>The documentation for this class was generated from the following files:<ul>
<li><a class="el" href="cryptlib_8h-source.html">cryptlib.h</a><li><a class="el" href="cryptlib_8cpp-source.html">cryptlib.cpp</a></ul>
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