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<h1>des.h</h1><a href="des_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_DES_H</span>
<a name="l00002"></a>00002 <span class="preprocessor"></span><span class="preprocessor">#define CRYPTOPP_DES_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><a class="code" href="class_raw_d_e_s.html">00012</a> class CRYPTOPP_DLL <a class="code" href="class_raw_d_e_s.html">RawDES</a>
<a name="l00013"></a>00013 {
<a name="l00014"></a>00014 <span class="keyword">public</span>:
<a name="l00015"></a>00015 <span class="keywordtype">void</span> RawSetKey(<a class="code" href="cryptlib_8h.html#a353ccabf5ddc119a6a33e92f7b9961c7" title="used to specify a direction for a cipher to operate in (encrypt or decrypt)">CipherDir</a> direction, <span class="keyword">const</span> byte *userKey);
<a name="l00016"></a>00016 <span class="keywordtype">void</span> RawProcessBlock(word32 &l, word32 &r) <span class="keyword">const</span>;
<a name="l00017"></a>00017
<a name="l00018"></a>00018 <span class="keyword">protected</span>:
<a name="l00019"></a>00019 <span class="keyword">static</span> <span class="keyword">const</span> word32 Spbox[8][64];
<a name="l00020"></a>00020
<a name="l00021"></a>00021 <a class="code" href="class_fixed_size_sec_block.html">FixedSizeSecBlock<word32, 32></a> k;
<a name="l00022"></a>00022 };
<a name="l00023"></a>00023 <span class="comment"></span>
<a name="l00024"></a>00024 <span class="comment">//! _</span>
<a name="l00025"></a><a class="code" href="struct_d_e_s___info.html">00025</a> <span class="comment"></span><span class="keyword">struct </span><a class="code" href="struct_d_e_s___info.html" title="_">DES_Info</a> : <span class="keyword">public</span> <a class="code" href="class_fixed_block_size.html" title="to be inherited by block ciphers with fixed block size">FixedBlockSize</a><8>, <span class="keyword">public</span> <a class="code" href="class_fixed_key_length.html" title="to be inherited by keyed algorithms with fixed key length">FixedKeyLength</a><8>
<a name="l00026"></a>00026 {
<a name="l00027"></a>00027 <span class="comment">// disable DES in DLL version by not exporting this function</span>
<a name="l00028"></a>00028 <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">char</span> * StaticAlgorithmName() {<span class="keywordflow">return</span> <span class="stringliteral">"DES"</span>;}
<a name="l00029"></a>00029 };
<a name="l00030"></a>00030 <span class="comment"></span>
<a name="l00031"></a>00031 <span class="comment">/// <a href="http://www.weidai.com/scan-mirror/cs.html#DES">DES</a></span>
<a name="l00032"></a>00032 <span class="comment"></span><span class="comment">/*! The DES implementation in Crypto++ ignores the parity bits</span>
<a name="l00033"></a>00033 <span class="comment"> (the least significant bits of each byte) in the key. However</span>
<a name="l00034"></a>00034 <span class="comment"> you can use CheckKeyParityBits() and CorrectKeyParityBits() to</span>
<a name="l00035"></a>00035 <span class="comment"> check or correct the parity bits if you wish. */</span>
<a name="l00036"></a><a class="code" href="class_d_e_s.html">00036</a> <span class="keyword">class </span><a class="code" href="class_d_e_s.html" title="DES">DES</a> : <span class="keyword">public</span> <a class="code" href="struct_d_e_s___info.html" title="_">DES_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="l00037"></a>00037 {
<a name="l00038"></a>00038 <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><DES_Info>, <span class="keyword">public</span> <a class="code" href="class_raw_d_e_s.html">RawDES</a>
<a name="l00039"></a>00039 {
<a name="l00040"></a>00040 <span class="keyword">public</span>:
<a name="l00041"></a>00041 <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="l00042"></a>00042 <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="l00043"></a>00043 };
<a name="l00044"></a>00044
<a name="l00045"></a>00045 <span class="keyword">public</span>:<span class="comment"></span>
<a name="l00046"></a>00046 <span class="comment"> //! check DES key parity bits</span>
<a name="l00047"></a>00047 <span class="comment"></span> <span class="keyword">static</span> <span class="keywordtype">bool</span> <a class="code" href="class_d_e_s.html#a6f490a975dee8704a9c68771ce746335" title="check DES key parity bits">CheckKeyParityBits</a>(<span class="keyword">const</span> byte *key);<span class="comment"></span>
<a name="l00048"></a>00048 <span class="comment"> //! correct DES key parity bits</span>
<a name="l00049"></a>00049 <span class="comment"></span> <span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code" href="class_d_e_s.html#ab4b48b141706addb33c955c694dd9ead" title="correct DES key parity bits">CorrectKeyParityBits</a>(byte *key);
<a name="l00050"></a>00050
<a name="l00051"></a><a class="code" href="class_d_e_s.html#acf2cdef8c9a64ca67a44117658890aa5">00051</a> <span class="keyword">typedef</span> <a class="code" href="class_block_cipher_final.html" title="_">BlockCipherFinal<ENCRYPTION, Base></a> <a class="code" href="class_block_cipher_final.html" title="_">Encryption</a>;
<a name="l00052"></a><a class="code" href="class_d_e_s.html#a546cc867f9dfab26d5a41a198f738503">00052</a> <span class="keyword">typedef</span> <a class="code" href="class_block_cipher_final.html" title="_">BlockCipherFinal<DECRYPTION, Base></a> <a class="code" href="class_block_cipher_final.html" title="_">Decryption</a>;
<a name="l00053"></a>00053 };
<a name="l00054"></a>00054 <span class="comment"></span>
<a name="l00055"></a>00055 <span class="comment">//! _</span>
<a name="l00056"></a><a class="code" href="struct_d_e_s___e_d_e2___info.html">00056</a> <span class="comment"></span><span class="keyword">struct </span><a class="code" href="struct_d_e_s___e_d_e2___info.html" title="_">DES_EDE2_Info</a> : <span class="keyword">public</span> <a class="code" href="class_fixed_block_size.html" title="to be inherited by block ciphers with fixed block size">FixedBlockSize</a><8>, <span class="keyword">public</span> <a class="code" href="class_fixed_key_length.html" title="to be inherited by keyed algorithms with fixed key length">FixedKeyLength</a><16>
<a name="l00057"></a>00057 {
<a name="l00058"></a>00058 CRYPTOPP_DLL <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">char</span> * CRYPTOPP_API StaticAlgorithmName() {<span class="keywordflow">return</span> <span class="stringliteral">"DES-EDE2"</span>;}
<a name="l00059"></a>00059 };
<a name="l00060"></a>00060 <span class="comment"></span>
<a name="l00061"></a>00061 <span class="comment">/// <a href="http://www.weidai.com/scan-mirror/cs.html#DESede">DES-EDE2</a></span>
<a name="l00062"></a><a class="code" href="class_d_e_s___e_d_e2.html">00062</a> <span class="comment"></span><span class="keyword">class </span><a class="code" href="class_d_e_s___e_d_e2.html" title="DES-EDE2">DES_EDE2</a> : <span class="keyword">public</span> <a class="code" href="struct_d_e_s___e_d_e2___info.html" title="_">DES_EDE2_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="l00063"></a>00063 {
<a name="l00064"></a>00064 <span class="keyword">class </span>CRYPTOPP_DLL CRYPTOPP_NO_VTABLE Base : <span class="keyword">public</span> <a class="code" href="class_block_cipher_impl.html">BlockCipherImpl</a><DES_EDE2_Info>
<a name="l00065"></a>00065 {
<a name="l00066"></a>00066 <span class="keyword">public</span>:
<a name="l00067"></a>00067 <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="l00068"></a>00068 <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="l00069"></a>00069
<a name="l00070"></a>00070 <span class="keyword">protected</span>:
<a name="l00071"></a>00071 <a class="code" href="class_raw_d_e_s.html">RawDES</a> m_des1, m_des2;
<a name="l00072"></a>00072 };
<a name="l00073"></a>00073
<a name="l00074"></a>00074 <span class="keyword">public</span>:
<a name="l00075"></a><a class="code" href="class_d_e_s___e_d_e2.html#a922b68789558e6596af345cc975dc152">00075</a> <span class="keyword">typedef</span> <a class="code" href="class_block_cipher_final.html" title="_">BlockCipherFinal<ENCRYPTION, Base></a> <a class="code" href="class_block_cipher_final.html" title="_">Encryption</a>;
<a name="l00076"></a><a class="code" href="class_d_e_s___e_d_e2.html#a1f53e6dfa94e7e0f9476e6aba759d53f">00076</a> <span class="keyword">typedef</span> <a class="code" href="class_block_cipher_final.html" title="_">BlockCipherFinal<DECRYPTION, Base></a> <a class="code" href="class_block_cipher_final.html" title="_">Decryption</a>;
<a name="l00077"></a>00077 };
<a name="l00078"></a>00078 <span class="comment"></span>
<a name="l00079"></a>00079 <span class="comment">//! _</span>
<a name="l00080"></a><a class="code" href="struct_d_e_s___e_d_e3___info.html">00080</a> <span class="comment"></span><span class="keyword">struct </span><a class="code" href="struct_d_e_s___e_d_e3___info.html" title="_">DES_EDE3_Info</a> : <span class="keyword">public</span> <a class="code" href="class_fixed_block_size.html" title="to be inherited by block ciphers with fixed block size">FixedBlockSize</a><8>, <span class="keyword">public</span> <a class="code" href="class_fixed_key_length.html" title="to be inherited by keyed algorithms with fixed key length">FixedKeyLength</a><24>
<a name="l00081"></a>00081 {
<a name="l00082"></a>00082 CRYPTOPP_DLL <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">char</span> * CRYPTOPP_API StaticAlgorithmName() {<span class="keywordflow">return</span> <span class="stringliteral">"DES-EDE3"</span>;}
<a name="l00083"></a>00083 };
<a name="l00084"></a>00084 <span class="comment"></span>
<a name="l00085"></a>00085 <span class="comment">/// <a href="http://www.weidai.com/scan-mirror/cs.html#DESede">DES-EDE3</a></span>
<a name="l00086"></a><a class="code" href="class_d_e_s___e_d_e3.html">00086</a> <span class="comment"></span><span class="keyword">class </span><a class="code" href="class_d_e_s___e_d_e3.html" title="DES-EDE3">DES_EDE3</a> : <span class="keyword">public</span> <a class="code" href="struct_d_e_s___e_d_e3___info.html" title="_">DES_EDE3_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="l00087"></a>00087 {
<a name="l00088"></a>00088 <span class="keyword">class </span>CRYPTOPP_DLL CRYPTOPP_NO_VTABLE Base : <span class="keyword">public</span> <a class="code" href="class_block_cipher_impl.html">BlockCipherImpl</a><DES_EDE3_Info>
<a name="l00089"></a>00089 {
<a name="l00090"></a>00090 <span class="keyword">public</span>:
<a name="l00091"></a>00091 <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="l00092"></a>00092 <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="l00093"></a>00093
<a name="l00094"></a>00094 <span class="keyword">protected</span>:
<a name="l00095"></a>00095 <a class="code" href="class_raw_d_e_s.html">RawDES</a> m_des1, m_des2, m_des3;
<a name="l00096"></a>00096 };
<a name="l00097"></a>00097
<a name="l00098"></a>00098 <span class="keyword">public</span>:
<a name="l00099"></a><a class="code" href="class_d_e_s___e_d_e3.html#af49c33eb7f3fa0bb1402a68584af10dd">00099</a> <span class="keyword">typedef</span> <a class="code" href="class_block_cipher_final.html" title="_">BlockCipherFinal<ENCRYPTION, Base></a> <a class="code" href="class_block_cipher_final.html" title="_">Encryption</a>;
<a name="l00100"></a><a class="code" href="class_d_e_s___e_d_e3.html#a86f667385b1ee50d945aa1cb6a05a369">00100</a> <span class="keyword">typedef</span> <a class="code" href="class_block_cipher_final.html" title="_">BlockCipherFinal<DECRYPTION, Base></a> <a class="code" href="class_block_cipher_final.html" title="_">Decryption</a>;
<a name="l00101"></a>00101 };
<a name="l00102"></a>00102 <span class="comment"></span>
<a name="l00103"></a>00103 <span class="comment">//! _</span>
<a name="l00104"></a><a class="code" href="struct_d_e_s___x_e_x3___info.html">00104</a> <span class="comment"></span><span class="keyword">struct </span><a class="code" href="struct_d_e_s___x_e_x3___info.html" title="_">DES_XEX3_Info</a> : <span class="keyword">public</span> <a class="code" href="class_fixed_block_size.html" title="to be inherited by block ciphers with fixed block size">FixedBlockSize</a><8>, <span class="keyword">public</span> <a class="code" href="class_fixed_key_length.html" title="to be inherited by keyed algorithms with fixed key length">FixedKeyLength</a><24>
<a name="l00105"></a>00105 {
<a name="l00106"></a>00106 <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">char</span> *StaticAlgorithmName() {<span class="keywordflow">return</span> <span class="stringliteral">"DES-XEX3"</span>;}
<a name="l00107"></a>00107 };
<a name="l00108"></a>00108 <span class="comment"></span>
<a name="l00109"></a>00109 <span class="comment">/// <a href="http://www.weidai.com/scan-mirror/cs.html#DESX">DES-XEX3</a>, AKA DESX</span>
<a name="l00110"></a><a class="code" href="class_d_e_s___x_e_x3.html">00110</a> <span class="comment"></span><span class="keyword">class </span><a class="code" href="class_d_e_s___x_e_x3.html" title="DES-XEX3, AKA DESX">DES_XEX3</a> : <span class="keyword">public</span> <a class="code" href="struct_d_e_s___x_e_x3___info.html" title="_">DES_XEX3_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="l00111"></a>00111 {
<a name="l00112"></a>00112 <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><DES_XEX3_Info>
<a name="l00113"></a>00113 {
<a name="l00114"></a>00114 <span class="keyword">public</span>:
<a name="l00115"></a>00115 <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="l00116"></a>00116 <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="l00117"></a>00117
<a name="l00118"></a>00118 <span class="keyword">protected</span>:
<a name="l00119"></a>00119 <a class="code" href="class_fixed_size_sec_block.html">FixedSizeSecBlock<byte, BLOCKSIZE></a> m_x1, m_x3;
<a name="l00120"></a>00120 <span class="comment">// VS2005 workaround: calling modules compiled with /clr gets unresolved external symbol DES::Base::ProcessAndXorBlock</span>
<a name="l00121"></a>00121 <span class="comment">// if we use DES::Encryption here directly without value_ptr.</span>
<a name="l00122"></a>00122 <a class="code" href="classvalue__ptr.html">value_ptr<DES::Encryption></a> m_des;
<a name="l00123"></a>00123 };
<a name="l00124"></a>00124
<a name="l00125"></a>00125 <span class="keyword">public</span>:
<a name="l00126"></a><a class="code" href="class_d_e_s___x_e_x3.html#ab354fbe2c7cec4ee5de37b35df8a01ae">00126</a> <span class="keyword">typedef</span> <a class="code" href="class_block_cipher_final.html" title="_">BlockCipherFinal<ENCRYPTION, Base></a> <a class="code" href="class_block_cipher_final.html" title="_">Encryption</a>;
<a name="l00127"></a><a class="code" href="class_d_e_s___x_e_x3.html#a0bf70a14613af7b76e40eb12fe2fb534">00127</a> <span class="keyword">typedef</span> <a class="code" href="class_block_cipher_final.html" title="_">BlockCipherFinal<DECRYPTION, Base></a> <a class="code" href="class_block_cipher_final.html" title="_">Decryption</a>;
<a name="l00128"></a>00128 };
<a name="l00129"></a>00129
<a name="l00130"></a>00130 <span class="keyword">typedef</span> <a class="code" href="class_block_cipher_final.html" title="_">DES::Encryption</a> <a class="code" href="class_block_cipher_final.html" title="_">DESEncryption</a>;
<a name="l00131"></a>00131 <span class="keyword">typedef</span> <a class="code" href="class_block_cipher_final.html" title="_">DES::Decryption</a> <a class="code" href="class_block_cipher_final.html" title="_">DESDecryption</a>;
<a name="l00132"></a>00132
<a name="l00133"></a>00133 <span class="keyword">typedef</span> <a class="code" href="class_block_cipher_final.html" title="_">DES_EDE2::Encryption</a> <a class="code" href="class_block_cipher_final.html" title="_">DES_EDE2_Encryption</a>;
<a name="l00134"></a>00134 <span class="keyword">typedef</span> <a class="code" href="class_block_cipher_final.html" title="_">DES_EDE2::Decryption</a> <a class="code" href="class_block_cipher_final.html" title="_">DES_EDE2_Decryption</a>;
<a name="l00135"></a>00135
<a name="l00136"></a>00136 <span class="keyword">typedef</span> <a class="code" href="class_block_cipher_final.html" title="_">DES_EDE3::Encryption</a> <a class="code" href="class_block_cipher_final.html" title="_">DES_EDE3_Encryption</a>;
<a name="l00137"></a>00137 <span class="keyword">typedef</span> <a class="code" href="class_block_cipher_final.html" title="_">DES_EDE3::Decryption</a> <a class="code" href="class_block_cipher_final.html" title="_">DES_EDE3_Decryption</a>;
<a name="l00138"></a>00138
<a name="l00139"></a>00139 <span class="keyword">typedef</span> <a class="code" href="class_block_cipher_final.html" title="_">DES_XEX3::Encryption</a> <a class="code" href="class_block_cipher_final.html" title="_">DES_XEX3_Encryption</a>;
<a name="l00140"></a>00140 <span class="keyword">typedef</span> <a class="code" href="class_block_cipher_final.html" title="_">DES_XEX3::Decryption</a> <a class="code" href="class_block_cipher_final.html" title="_">DES_XEX3_Decryption</a>;
<a name="l00141"></a>00141
<a name="l00142"></a>00142 NAMESPACE_END
<a name="l00143"></a>00143
<a name="l00144"></a>00144 <span class="preprocessor">#endif</span>
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files
>
1685
