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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++: twofish.h Source File</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><a href="classes.html"><span>Classes</span></a></li> <li class="current"><a href="files.html"><span>Files</span></a></li> </ul></div><div class="tabs"> <ul> <li><a href="files.html"><span>File List</span></a></li> <li><a href="globals.html"><span>File Members</span></a></li> </ul></div><h1>twofish.h</h1><a href="twofish_8h.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="preprocessor">#ifndef CRYPTOPP_TWOFISH_H</span><a name="l00002"></a>00002 <span class="preprocessor"></span><span class="preprocessor">#define CRYPTOPP_TWOFISH_H</span><a name="l00003"></a>00003 <span class="preprocessor"></span><span class="comment"></span><a name="l00004"></a>00004 <span class="comment">/** \file</span><a name="l00005"></a>00005 <span class="comment">*/</span><a name="l00006"></a>00006 <a name="l00007"></a>00007 <span class="preprocessor">#include "seckey.h"</span><a name="l00008"></a>00008 <span class="preprocessor">#include "secblock.h"</span><a name="l00009"></a>00009 <a name="l00010"></a>00010 NAMESPACE_BEGIN(CryptoPP)<a name="l00011"></a>00011 <a name="l00012"></a>00012 <span class="comment">//! _</span><a name="l00013"></a><a class="code" href="struct_twofish___info.html">00013</a> <span class="comment"></span>struct <a class="code" href="struct_twofish___info.html" title="_">Twofish_Info</a> : public <a class="code" href="class_fixed_block_size.html" title="to be inherited by block ciphers with fixed block size">FixedBlockSize</a><16>, public <a class="code" href="class_variable_key_length.html" title="support query of variable key length, template parameters are default, min, max,...">VariableKeyLength</a><16, 0, 32>, <a class="code" href="class_fixed_rounds.html" title="to be inherited by ciphers with fixed number of rounds">FixedRounds</a><16><a name="l00014"></a>00014 {<a name="l00015"></a><a class="code" href="struct_twofish___info.html#d55f56508d6ff68a7abd72d4eeaf73a1">00015</a> <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">char</span> *StaticAlgorithmName() {<span class="keywordflow">return</span> <span class="stringliteral">"Twofish"</span>;}<a name="l00016"></a>00016 };<a name="l00017"></a>00017 <span class="comment"></span><a name="l00018"></a>00018 <span class="comment">/// <a href="http://www.weidai.com/scan-mirror/cs.html#Twofish">Twofish</a></span><a name="l00019"></a><a class="code" href="class_twofish.html">00019</a> <span class="comment"></span><span class="keyword">class </span><a class="code" href="class_twofish.html" title="Twofish">Twofish</a> : <span class="keyword">public</span> <a class="code" href="struct_twofish___info.html" title="_">Twofish_Info</a>, <span class="keyword">public</span> <a class="code" href="struct_block_cipher_documentation.html" title="These objects usually should not be used directly. See CipherModeDocumentation instead...">BlockCipherDocumentation</a><a name="l00020"></a>00020 {<a name="l00021"></a>00021 <span class="keyword">class </span>CRYPTOPP_NO_VTABLE Base : <span class="keyword">public</span> <a class="code" href="class_block_cipher_impl.html">BlockCipherImpl</a><Twofish_Info><a name="l00022"></a>00022 {<a name="l00023"></a>00023 <span class="keyword">public</span>:<a name="l00024"></a>00024 <span class="keywordtype">void</span> UncheckedSetKey(<span class="keyword">const</span> byte *userKey, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> length, <span class="keyword">const</span> <a class="code" href="class_name_value_pairs.html" title="interface for retrieving values given their names">NameValuePairs</a> &params);<a name="l00025"></a>00025 <a name="l00026"></a>00026 <span class="keyword">protected</span>:<a name="l00027"></a>00027 <span class="keyword">static</span> word32 h0(word32 x, <span class="keyword">const</span> word32 *key, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> kLen);<a name="l00028"></a>00028 <span class="keyword">static</span> word32 h(word32 x, <span class="keyword">const</span> word32 *key, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> kLen);<a name="l00029"></a>00029 <a name="l00030"></a>00030 <span class="keyword">static</span> <span class="keyword">const</span> byte q[2][256];<a name="l00031"></a>00031 <span class="keyword">static</span> <span class="keyword">const</span> word32 mds[4][256];<a name="l00032"></a>00032 <a name="l00033"></a>00033 <a class="code" href="class_fixed_size_sec_block.html" title="a SecBlock with fixed size, allocated statically">FixedSizeSecBlock<word32, 40></a> m_k;<a name="l00034"></a>00034 <a class="code" href="class_fixed_size_sec_block.html" title="a SecBlock with fixed size, allocated statically">FixedSizeSecBlock<word32[256], 4></a> m_s;<a name="l00035"></a>00035 };<a name="l00036"></a>00036 <a name="l00037"></a>00037 <span class="keyword">class </span>CRYPTOPP_NO_VTABLE Enc : <span class="keyword">public</span> Base<a name="l00038"></a>00038 {<a name="l00039"></a>00039 <span class="keyword">public</span>:<a name="l00040"></a>00040 <span class="keywordtype">void</span> ProcessAndXorBlock(<span class="keyword">const</span> byte *inBlock, <span class="keyword">const</span> byte *xorBlock, byte *outBlock) <span class="keyword">const</span>;<a name="l00041"></a>00041 };<a name="l00042"></a>00042 <a name="l00043"></a>00043 <span class="keyword">class </span>CRYPTOPP_NO_VTABLE Dec : <span class="keyword">public</span> Base<a name="l00044"></a>00044 {<a name="l00045"></a>00045 <span class="keyword">public</span>:<a name="l00046"></a>00046 <span class="keywordtype">void</span> ProcessAndXorBlock(<span class="keyword">const</span> byte *inBlock, <span class="keyword">const</span> byte *xorBlock, byte *outBlock) <span class="keyword">const</span>;<a name="l00047"></a>00047 };<a name="l00048"></a>00048 <a name="l00049"></a>00049 <span class="keyword">public</span>:<a name="l00050"></a><a class="code" href="class_twofish.html#02be2782551649a6650a578e11296dff">00050</a> <span class="keyword">typedef</span> <a class="code" href="class_block_cipher_final.html" title="_">BlockCipherFinal<ENCRYPTION, Enc></a> <a class="code" href="class_block_cipher.html" title="interface for one direction (encryption or decryption) of a block cipher">Encryption</a>;<a name="l00051"></a><a class="code" href="class_twofish.html#923161fdd3166edc8ebbec0bcabb53c6">00051</a> <span class="keyword">typedef</span> <a class="code" href="class_block_cipher_final.html" title="_">BlockCipherFinal<DECRYPTION, Dec></a> <a class="code" href="class_block_cipher.html" title="interface for one direction (encryption or decryption) of a block cipher">Decryption</a>;<a name="l00052"></a>00052 };<a name="l00053"></a>00053 <a name="l00054"></a><a class="code" href="twofish_8h.html#54223a36bd5d8c12b1ecdd89c8084679">00054</a> <span class="keyword">typedef</span> <a class="code" href="class_block_cipher.html" title="interface for one direction (encryption or decryption) of a block cipher">Twofish::Encryption</a> <a class="code" href="class_block_cipher.html" title="interface for one direction (encryption or decryption) of a block cipher">TwofishEncryption</a>;<a name="l00055"></a><a class="code" href="twofish_8h.html#2225156366b35ab347e5ac68f3fba8fd">00055</a> <span class="keyword">typedef</span> <a class="code" href="class_block_cipher.html" title="interface for one direction (encryption or decryption) of a block cipher">Twofish::Decryption</a> <a class="code" href="class_block_cipher.html" title="interface for one direction (encryption or decryption) of a block cipher">TwofishDecryption</a>;<a name="l00056"></a>00056 <a name="l00057"></a>00057 NAMESPACE_END<a name="l00058"></a>00058 <a name="l00059"></a>00059 <span class="preprocessor">#endif</span></pre></div><hr size="1"><address style="text-align: right;"><small>Generated on Fri Jun 1 11:11:25 2007 for Crypto++ by <a href="http://www.doxygen.org/index.html"><img src="doxygen.png" alt="doxygen" align="middle" border="0"></a> 1.5.2 </small></address></body></html>⌨️ 快捷键说明
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