class_c_b_c___encryption.html

著名的密码库Crypto++的文档 C++语言的杰作。程序员必备。

<hr><h2>Member Function Documentation</h2>
<a class="anchor" name="947329920de17742397a7c0fd01d3364"></a><!-- doxytag: member="CBC_Encryption::ProcessData" ref="947329920de17742397a7c0fd01d3364" args="(byte *outString, const byte *inString, size_t length)" -->
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          <td class="memname">void BlockOrientedCipherModeBase::ProcessData           </td>
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          <td class="paramtype">byte *&nbsp;</td>
          <td class="paramname"> <em>outString</em>, </td>
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          <td class="paramtype">const byte *&nbsp;</td>
          <td class="paramname"> <em>inString</em>, </td>
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          <td class="paramtype">size_t&nbsp;</td>
          <td class="paramname"> <em>length</em></td><td>&nbsp;</td>
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          <td></td><td></td><td width="100%"><code> [virtual, inherited]</code></td>
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encrypt or decrypt an array of bytes of specified length 
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<dl class="note" compact><dt><b>Note:</b></dt><dd>either inString == outString, or they don't overlap </dd></dl>

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Implements <a class="el" href="class_stream_transformation.html#26feabde21bc4d1783195969733e3bb0">StreamTransformation</a>.
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Definition at line <a class="el" href="modes_8cpp-source.html#l00095">95</a> of file <a class="el" href="modes_8cpp-source.html">modes.cpp</a>.
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References <a class="el" href="cryptlib_8cpp-source.html#l00114">BlockTransformation::BlockAlignment()</a>, <a class="el" href="modes_8h-source.html#l00046">CipherModeBase::BlockSize()</a>, <a class="el" href="modes_8h-source.html#l00188">BlockOrientedCipherModeBase::m_buffer</a>, <a class="el" href="modes_8h-source.html#l00057">CipherModeBase::m_cipher</a>, and <a class="el" href="modes_8h-source.html#l00180">BlockOrientedCipherModeBase::RequireAlignedInput()</a>.
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<a class="anchor" name="8c9304fff5af593ee68d3cf0d33c06e9"></a><!-- doxytag: member="CBC_Encryption::Ref" ref="8c9304fff5af593ee68d3cf0d33c06e9" args="()" -->
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          <td class="memname"><a class="el" href="class_stream_transformation.html">StreamTransformation</a>&amp; StreamTransformation::Ref           </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_stream_transformation.html" title="interface for the data processing part of stream ciphers">StreamTransformation</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#l00470">470</a> of file <a class="el" href="cryptlib_8h-source.html">cryptlib.h</a>.
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<a class="anchor" name="f66ef64545279c01310718af3d627534"></a><!-- doxytag: member="CBC_Encryption::OptimalBlockSize" ref="f66ef64545279c01310718af3d627534" args="() const" -->
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          <td class="memname">virtual unsigned int StreamTransformation::OptimalBlockSize           </td>
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returns the input block size that is most efficient for this cipher 
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<dl class="note" compact><dt><b>Note:</b></dt><dd>optimal input length is n * <a class="el" href="class_stream_transformation.html#f66ef64545279c01310718af3d627534" title="returns the input block size that is most efficient for this cipher">OptimalBlockSize()</a> - <a class="el" href="class_stream_transformation.html#b8422f6eee08fbc70069e222186e90de" title="returns how much of the current block is used up">GetOptimalBlockSizeUsed()</a> for any n &gt; 0 </dd></dl>

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Reimplemented in <a class="el" href="class_e_c_b___one_way.html#697d02a4fbec48b4accec6ce4226e083">ECB_OneWay</a>.
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Definition at line <a class="el" href="cryptlib_8h-source.html#l00477">477</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#l00574">StreamTransformationFilter::FirstPut()</a>.
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<a class="anchor" name="0668b78edaea082f87bf3e878c4c02f7"></a><!-- doxytag: member="CBC_Encryption::ProcessLastBlock" ref="0668b78edaea082f87bf3e878c4c02f7" args="(byte *outString, const byte *inString, size_t length)" -->
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          <td class="memname">void StreamTransformation::ProcessLastBlock           </td>
          <td>(</td>
          <td class="paramtype">byte *&nbsp;</td>
          <td class="paramname"> <em>outString</em>, </td>
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          <td class="paramkey"></td>
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          <td class="paramtype">const byte *&nbsp;</td>
          <td class="paramname"> <em>inString</em>, </td>
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          <td class="paramkey"></td>
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          <td class="paramtype">size_t&nbsp;</td>
          <td class="paramname"> <em>length</em></td><td>&nbsp;</td>
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          <td></td><td></td><td width="100%"><code> [virtual, inherited]</code></td>
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for ciphers where the last block of data is special, encrypt or decrypt the last block of data 
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For now the only use of this function is for CBC-CTS mode. 
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