class_block_transformation.html

著名的密码库Crypto++的文档 C++语言的杰作。程序员必备。

<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="4936bef4368804cf5cadab9eb6eb37e4"></a><!-- doxytag: member="BlockTransformation::BlockSize" ref="4936bef4368804cf5cadab9eb6eb37e4" args="() const=0" -->
virtual unsigned int&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_block_transformation.html#4936bef4368804cf5cadab9eb6eb37e4">BlockSize</a> () const=0</td></tr>

<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">block size of the cipher in bytes <br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="f2da7e22f6b6ddda72bc7db2aceaa67a"></a><!-- doxytag: member="BlockTransformation::BlockAlignment" ref="f2da7e22f6b6ddda72bc7db2aceaa67a" args="() const" -->
virtual unsigned int&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_block_transformation.html#f2da7e22f6b6ddda72bc7db2aceaa67a">BlockAlignment</a> () const</td></tr>

<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">block pointers must be divisible by this <br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="a4118be8bfaf6772a9a8e03dd450614b"></a><!-- doxytag: member="BlockTransformation::IsPermutation" ref="a4118be8bfaf6772a9a8e03dd450614b" args="() const" -->
virtual bool&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_block_transformation.html#a4118be8bfaf6772a9a8e03dd450614b">IsPermutation</a> () const</td></tr>

<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">returns true if this is a permutation (i.e. there is an inverse transformation) <br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="924da616b7ba966704fb67e2b852fd2e"></a><!-- doxytag: member="BlockTransformation::IsForwardTransformation" ref="924da616b7ba966704fb67e2b852fd2e" args="() const=0" -->
virtual bool&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_block_transformation.html#924da616b7ba966704fb67e2b852fd2e">IsForwardTransformation</a> () const=0</td></tr>

<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">returns true if this is an encryption object <br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="9ee1da34a4c957d4be87d2b0469806b0"></a><!-- doxytag: member="BlockTransformation::OptimalNumberOfParallelBlocks" ref="9ee1da34a4c957d4be87d2b0469806b0" args="() const" -->
virtual unsigned int&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_block_transformation.html#9ee1da34a4c957d4be87d2b0469806b0">OptimalNumberOfParallelBlocks</a> () const</td></tr>

<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">return number of blocks that can be processed in parallel, for bit-slicing implementations <br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="9efa0ea24795a19d15c9aa0d7f134562"></a><!-- doxytag: member="BlockTransformation::ProcessAndXorMultipleBlocks" ref="9efa0ea24795a19d15c9aa0d7f134562" args="(const byte *inBlocks, const byte *xorBlocks, byte *outBlocks, size_t numberOfBlocks) const" -->
virtual void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_block_transformation.html#9efa0ea24795a19d15c9aa0d7f134562">ProcessAndXorMultipleBlocks</a> (const byte *inBlocks, const byte *xorBlocks, byte *outBlocks, size_t numberOfBlocks) const</td></tr>

<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">encrypt or decrypt multiple blocks, for bit-slicing implementations <br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="91b351e01288f31eccb3b42bc096c2ba"></a><!-- doxytag: member="BlockTransformation::GetCipherDirection" ref="91b351e01288f31eccb3b42bc096c2ba" args="() const" -->
<a class="el" href="cryptlib_8h.html#353ccabf5ddc119a6a33e92f7b9961c7">CipherDir</a>&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_block_transformation.html#91b351e01288f31eccb3b42bc096c2ba">GetCipherDirection</a> () const</td></tr>

<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="4f31510a192d1121856efe8ad0a9b844"></a><!-- doxytag: member="BlockTransformation::AlgorithmName" ref="4f31510a192d1121856efe8ad0a9b844" args="() const" -->
virtual std::string&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_algorithm.html#4f31510a192d1121856efe8ad0a9b844">AlgorithmName</a> () const</td></tr>

<tr><td class="mdescLeft">&nbsp;</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="BlockTransformation::Clone" ref="d0016ba2d505c23aa85aad49e6c19bb7" args="() const" -->
virtual <a class="el" href="class_clonable.html">Clonable</a> *&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_clonable.html#d0016ba2d505c23aa85aad49e6c19bb7">Clone</a> () const</td></tr>

<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">this is not implemented by most classes yet <br></td></tr>
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<hr><h2>Member Function Documentation</h2>
<a class="anchor" name="2fefb3f4c6c6297c0c91fcbba9e4f4f3"></a><!-- doxytag: member="BlockTransformation::ProcessBlock" ref="2fefb3f4c6c6297c0c91fcbba9e4f4f3" args="(const byte *inBlock, byte *outBlock) const " -->
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          <td class="memname">void BlockTransformation::ProcessBlock           </td>
          <td>(</td>
          <td class="paramtype">const byte *&nbsp;</td>
          <td class="paramname"> <em>inBlock</em>, </td>
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          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">byte *&nbsp;</td>
          <td class="paramname"> <em>outBlock</em></td><td>&nbsp;</td>
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          <td></td>
          <td>)</td>
          <td></td><td></td><td width="100%"> const<code> [inline]</code></td>
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<p>
encrypt or decrypt one block 
<p>
<dl class="pre" compact><dt><b>Precondition:</b></dt><dd>size of inBlock and outBlock == <a class="el" href="class_block_transformation.html#4936bef4368804cf5cadab9eb6eb37e4" title="block size of the cipher in bytes">BlockSize()</a> </dd></dl>

<p>
Definition at line <a class="el" href="cryptlib_8h-source.html#l00434">434</a> of file <a class="el" href="cryptlib_8h-source.html">cryptlib.h</a>.
<p>
Referenced by <a class="el" href="modes_8cpp-source.html#l00118">CBC_Encryption::ProcessBlocks()</a>, <a class="el" href="modes_8cpp-source.html#l00173">CBC_CTS_Decryption::ProcessLastBlock()</a>, <a class="el" href="modes_8cpp-source.html#l00133">CBC_CTS_Encryption::ProcessLastBlock()</a>, <a class="el" href="vmac_8cpp-source.html#l00096">VMAC_Base::Resynchronize()</a>, <a class="el" href="modes_8h-source.html#l00086">CFB_ModePolicy::TransformRegister()</a>, and <a class="el" href="vmac_8cpp-source.html#l00031">VMAC_Base::UncheckedSetKey()</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>
<hr size="1"><address style="text-align: right;"><small>Generated on Fri Jun 1 11:11:30 2007 for Crypto++ by&nbsp;
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