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<div class="title">twofish.h</div> </div>
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<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, multiple (default mu...">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>00015 <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">FixedSizeSecBlock<word32, 40></a> m_k;
<a name="l00034"></a>00034 <a class="code" href="class_fixed_size_sec_block.html">FixedSizeSecBlock<word32, 4*256></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#a02be2782551649a6650a578e11296dff">00050</a> <span class="keyword">typedef</span> <a class="code" href="class_block_cipher_final.html">BlockCipherFinal<ENCRYPTION, Enc></a> <a class="code" href="class_twofish.html#a02be2782551649a6650a578e11296dff" title="implements the BlockCipher interface">Encryption</a>;
<a name="l00051"></a><a class="code" href="class_twofish.html#a923161fdd3166edc8ebbec0bcabb53c6">00051</a> <span class="keyword">typedef</span> <a class="code" href="class_block_cipher_final.html">BlockCipherFinal<DECRYPTION, Dec></a> <a class="code" href="class_twofish.html#a923161fdd3166edc8ebbec0bcabb53c6" title="implements the BlockCipher interface">Decryption</a>;
<a name="l00052"></a>00052 };
<a name="l00053"></a>00053
<a name="l00054"></a>00054 <span class="keyword">typedef</span> <a class="code" href="class_block_cipher_final.html">Twofish::Encryption</a> <a class="code" href="class_block_cipher_final.html">TwofishEncryption</a>;
<a name="l00055"></a>00055 <span class="keyword">typedef</span> <a class="code" href="class_block_cipher_final.html">Twofish::Decryption</a> <a class="code" href="class_block_cipher_final.html">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>
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