class_iterated_hash_with_static_transform.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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<a class="el" href="class_fixed_size_sec_block.html">FixedSizeSecBlock</a>&lt; T_HashWordType,<br>
 T_BlockSize/sizeof(T_HashWordType)&gt;&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_iterated_hash.html#d1d059e2cba2115f403befa9e6c070da">m_data</a></td></tr>

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<hr><h2>Member Function Documentation</h2>
<a class="anchor" name="39b0a4c4cdc11fda358f9975b5e4137e"></a><!-- doxytag: member="IteratedHashWithStaticTransform::Ref" ref="39b0a4c4cdc11fda358f9975b5e4137e" args="()" -->
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          <td class="memname"><a class="el" href="class_hash_transformation.html">HashTransformation</a>&amp; HashTransformation::Ref           </td>
          <td>(</td>
          <td class="paramname">          </td>
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          <td width="100%"><code> [inline, inherited]</code></td>
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return a reference to this object, 
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This function is useful for passing a temporary <a class="el" href="class_hash_transformation.html" title="interface for hash functions and data processing part of MACs">HashTransformation</a> object to a function that takes a non-const reference. 
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Definition at line <a class="el" href="cryptlib_8h-source.html#l00533">533</a> of file <a class="el" href="cryptlib_8h-source.html">cryptlib.h</a>.
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<a class="anchor" name="a0b8c7a110d8968268fd02ec32b9a8e8"></a><!-- doxytag: member="IteratedHashWithStaticTransform::Final" ref="a0b8c7a110d8968268fd02ec32b9a8e8" args="(byte *digest)" -->
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          <td class="memname">virtual void HashTransformation::Final           </td>
          <td>(</td>
          <td class="paramtype">byte *&nbsp;</td>
          <td class="paramname"> <em>digest</em>          </td>
          <td>&nbsp;)&nbsp;</td>
          <td width="100%"><code> [inline, virtual, inherited]</code></td>
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compute hash for current message, then restart for a new message 
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<dl class="pre" compact><dt><b>Precondition:</b></dt><dd>size of digest == <a class="el" href="class_hash_transformation.html#41faf8b1293a6c72390cb0c8bd668097" title="size of the hash returned by Final()">DigestSize()</a>. </dd></dl>

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Definition at line <a class="el" href="cryptlib_8h-source.html#l00543">543</a> of file <a class="el" href="cryptlib_8h-source.html">cryptlib.h</a>.
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Referenced by <a class="el" href="pssr_8cpp-source.html#l00045">PSSR_MEM_Base::ComputeMessageRepresentative()</a>, <a class="el" href="pkcspad_8cpp-source.html#l00089">PKCS1v15_SignatureMessageEncodingMethod::ComputeMessageRepresentative()</a>, <a class="el" href="esign_8h-source.html#l00092">EMSA5Pad&lt; T &gt;::ComputeMessageRepresentative()</a>, <a class="el" href="pwdbased_8h-source.html#l00085">PKCS5_PBKDF2_HMAC&lt; T &gt;::DeriveKey()</a>, <a class="el" href="default_8cpp-source.html#l00083">DefaultEncryptor::FirstPut()</a>, <a class="el" href="randpool_8cpp-source.html#l00024">RandomPool::IncorporateEntropy()</a>, <a class="el" href="pssr_8cpp-source.html#l00084">PSSR_MEM_Base::RecoverMessageFromRepresentative()</a>, <a class="el" href="hmac_8cpp-source.html#l00067">HMAC_Base::TruncatedFinal()</a>, <a class="el" href="zlib_8cpp-source.html#l00033">ZlibCompressor::WritePoststreamTail()</a>, and <a class="el" href="gzip_8cpp-source.html#l00029">Gzip::WritePoststreamTail()</a>.
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<a class="anchor" name="16c4aecd047015d513feef4ed5b929ba"></a><!-- doxytag: member="IteratedHashWithStaticTransform::Verify" ref="16c4aecd047015d513feef4ed5b929ba" args="(const byte *digest)" -->
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          <td class="memname">virtual bool HashTransformation::Verify           </td>
          <td>(</td>
          <td class="paramtype">const byte *&nbsp;</td>
          <td class="paramname"> <em>digest</em>          </td>
          <td>&nbsp;)&nbsp;</td>
          <td width="100%"><code> [inline, virtual, inherited]</code></td>
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verify that digest is a valid digest for the current message, then reinitialize the object 
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Default implementation is to call <a class="el" href="class_hash_transformation.html#a0b8c7a110d8968268fd02ec32b9a8e8" title="compute hash for current message, then restart for a new message">Final()</a> and do a bitwise comparison between its output and digest. 
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Definition at line <a class="el" href="cryptlib_8h-source.html#l00569">569</a> of file <a class="el" href="cryptlib_8h-source.html">cryptlib.h</a>.
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Referenced by <a class="el" href="filters_8cpp-source.html#l00773">HashVerificationFilter::LastPut()</a>, <a class="el" href="gzip_8cpp-source.html#l00084">Gunzip::ProcessPoststreamTail()</a>, and <a class="el" href="pssr_8cpp-source.html#l00084">PSSR_MEM_Base::RecoverMessageFromRepresentative()</a>.
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<hr>The documentation for this class was generated from the following file:<ul>
<li><a class="el" href="iterhash_8h-source.html">iterhash.h</a></ul>
<hr size="1"><address style="text-align: right;"><small>Generated on Fri Jun 1 11:11:41 2007 for Crypto++ by&nbsp;
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