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<h1>EncryptionAlgorithm.h</h1><a href="EncryptionAlgorithm_8h.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/*</span>
<a name="l00002"></a>00002 <span class="comment"> * steghide 0.5.1 - a steganography program</span>
<a name="l00003"></a>00003 <span class="comment"> * Copyright (C) 1999-2003 Stefan Hetzl &lt;shetzl@chello.at&gt;</span>
<a name="l00004"></a>00004 <span class="comment"> *</span>
<a name="l00005"></a>00005 <span class="comment"> * This program is free software; you can redistribute it and/or</span>
<a name="l00006"></a>00006 <span class="comment"> * modify it under the terms of the GNU General Public License</span>
<a name="l00007"></a>00007 <span class="comment"> * as published by the Free Software Foundation; either version 2</span>
<a name="l00008"></a>00008 <span class="comment"> * of the License, or (at your option) any later version.</span>
<a name="l00009"></a>00009 <span class="comment"> *</span>
<a name="l00010"></a>00010 <span class="comment"> * This program is distributed in the hope that it will be useful,</span>
<a name="l00011"></a>00011 <span class="comment"> * but WITHOUT ANY WARRANTY; without even the implied warranty of</span>
<a name="l00012"></a>00012 <span class="comment"> * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the</span>
<a name="l00013"></a>00013 <span class="comment"> * GNU General Public License for more details.</span>
<a name="l00014"></a>00014 <span class="comment"> *</span>
<a name="l00015"></a>00015 <span class="comment"> * You should have received a copy of the GNU General Public License</span>
<a name="l00016"></a>00016 <span class="comment"> * along with this program; if not, write to the Free Software</span>
<a name="l00017"></a>00017 <span class="comment"> * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.</span>
<a name="l00018"></a>00018 <span class="comment"> *</span>
<a name="l00019"></a>00019 <span class="comment"> */</span>
<a name="l00020"></a>00020 
<a name="l00021"></a>00021 <span class="preprocessor">#ifndef SH_ENCALGO_H</span>
<a name="l00022"></a>00022 <span class="preprocessor"></span><span class="preprocessor">#define SH_ENCALGO_H</span>
<a name="l00023"></a>00023 <span class="preprocessor"></span>
<a name="l00024"></a>00024 <span class="preprocessor">#include &lt;string&gt;</span>
<a name="l00025"></a>00025 
<a name="l00026"></a><a class="code" href="classEncryptionAlgorithm.html">00026</a> <span class="keyword">class </span><a class="code" href="classEncryptionAlgorithm.html">EncryptionAlgorithm</a> {
<a name="l00027"></a>00027         <span class="keyword">public</span>:
<a name="l00029"></a><a class="code" href="classEncryptionAlgorithm.html#6c180bb36ea4f6cedbb1b6e0817c5aee">00029</a>         <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <a class="code" href="classEncryptionAlgorithm.html#6c180bb36ea4f6cedbb1b6e0817c5aee" title="number of bits needed to code the algorithm">IRep_size</a> = 5 ;
<a name="l00030"></a>00030 
<a name="l00032"></a><a class="code" href="classEncryptionAlgorithm.html#0b0a38d56c374dd496b2eb3b196064da">00032</a>         <span class="keyword">enum</span> <a class="code" href="classEncryptionAlgorithm.html#0b0a38d56c374dd496b2eb3b196064da" title="integer representation of encryption algorithm">IRep</a> {
<a name="l00033"></a><a class="code" href="classEncryptionAlgorithm.html#0b0a38d56c374dd496b2eb3b196064da8d4a74a03b2605f7a1f8030a83c9e1e3">00033</a>                 <a class="code" href="classEncryptionAlgorithm.html#0b0a38d56c374dd496b2eb3b196064da8d4a74a03b2605f7a1f8030a83c9e1e3">NONE</a> = 0,
<a name="l00034"></a><a class="code" href="classEncryptionAlgorithm.html#0b0a38d56c374dd496b2eb3b196064dab720e8b15fef4372ab9393532cb1a13a">00034</a>                 <a class="code" href="classEncryptionAlgorithm.html#0b0a38d56c374dd496b2eb3b196064dab720e8b15fef4372ab9393532cb1a13a">TWOFISH</a> = 1,
<a name="l00035"></a><a class="code" href="classEncryptionAlgorithm.html#0b0a38d56c374dd496b2eb3b196064da443d301831aef540d75c4cf59265d75f">00035</a>                 <a class="code" href="classEncryptionAlgorithm.html#0b0a38d56c374dd496b2eb3b196064da443d301831aef540d75c4cf59265d75f">RIJNDAEL128</a> = 2,
<a name="l00036"></a><a class="code" href="classEncryptionAlgorithm.html#0b0a38d56c374dd496b2eb3b196064da18cddf561172034b88fc5677845de3ff">00036</a>                 <a class="code" href="classEncryptionAlgorithm.html#0b0a38d56c374dd496b2eb3b196064da18cddf561172034b88fc5677845de3ff">RIJNDAEL192</a> = 3,
<a name="l00037"></a><a class="code" href="classEncryptionAlgorithm.html#0b0a38d56c374dd496b2eb3b196064da2f0a09f210fae871590704e1a85cb9f2">00037</a>                 <a class="code" href="classEncryptionAlgorithm.html#0b0a38d56c374dd496b2eb3b196064da2f0a09f210fae871590704e1a85cb9f2">RIJNDAEL256</a> = 4,
<a name="l00038"></a><a class="code" href="classEncryptionAlgorithm.html#0b0a38d56c374dd496b2eb3b196064daa9dfea62ff8794811048ddb1032a7071">00038</a>                 <a class="code" href="classEncryptionAlgorithm.html#0b0a38d56c374dd496b2eb3b196064daa9dfea62ff8794811048ddb1032a7071">SAFERPLUS</a> = 5,
<a name="l00039"></a><a class="code" href="classEncryptionAlgorithm.html#0b0a38d56c374dd496b2eb3b196064da78ad6beefce45cca6430003e49475d95">00039</a>                 <a class="code" href="classEncryptionAlgorithm.html#0b0a38d56c374dd496b2eb3b196064da78ad6beefce45cca6430003e49475d95">RC2</a> = 6,
<a name="l00040"></a><a class="code" href="classEncryptionAlgorithm.html#0b0a38d56c374dd496b2eb3b196064daf542f1648c141ba50cacac5cf590ca00">00040</a>                 <a class="code" href="classEncryptionAlgorithm.html#0b0a38d56c374dd496b2eb3b196064daf542f1648c141ba50cacac5cf590ca00">XTEA</a> = 7,
<a name="l00041"></a><a class="code" href="classEncryptionAlgorithm.html#0b0a38d56c374dd496b2eb3b196064da29333d9a6ebf780ffb67029b841aa5c1">00041</a>                 <a class="code" href="classEncryptionAlgorithm.html#0b0a38d56c374dd496b2eb3b196064da29333d9a6ebf780ffb67029b841aa5c1">SERPENT</a> = 8,
<a name="l00042"></a><a class="code" href="classEncryptionAlgorithm.html#0b0a38d56c374dd496b2eb3b196064da33c11966ccd4075492eede553d34748e">00042</a>                 <a class="code" href="classEncryptionAlgorithm.html#0b0a38d56c374dd496b2eb3b196064da33c11966ccd4075492eede553d34748e">SAFERSK64</a> = 9,
<a name="l00043"></a><a class="code" href="classEncryptionAlgorithm.html#0b0a38d56c374dd496b2eb3b196064dad9da67ad1a05fbe2dc7ca6d4ba0a85bd">00043</a>                 <a class="code" href="classEncryptionAlgorithm.html#0b0a38d56c374dd496b2eb3b196064dad9da67ad1a05fbe2dc7ca6d4ba0a85bd">SAFERSK128</a> = 10,
<a name="l00044"></a><a class="code" href="classEncryptionAlgorithm.html#0b0a38d56c374dd496b2eb3b196064da5da62f3e21e98cf6e04da8636a109536">00044</a>                 <a class="code" href="classEncryptionAlgorithm.html#0b0a38d56c374dd496b2eb3b196064da5da62f3e21e98cf6e04da8636a109536">CAST256</a> = 11,
<a name="l00045"></a><a class="code" href="classEncryptionAlgorithm.html#0b0a38d56c374dd496b2eb3b196064dac83d0354296871b8f1d6d16e15967245">00045</a>                 <a class="code" href="classEncryptionAlgorithm.html#0b0a38d56c374dd496b2eb3b196064dac83d0354296871b8f1d6d16e15967245">LOKI97</a> = 12,
<a name="l00046"></a><a class="code" href="classEncryptionAlgorithm.html#0b0a38d56c374dd496b2eb3b196064da01e07af2d40a0b0bb0dd68a653be7f48">00046</a>                 <a class="code" href="classEncryptionAlgorithm.html#0b0a38d56c374dd496b2eb3b196064da01e07af2d40a0b0bb0dd68a653be7f48">GOST</a> = 13,
<a name="l00047"></a><a class="code" href="classEncryptionAlgorithm.html#0b0a38d56c374dd496b2eb3b196064da87b9713f03f6d386a291adce770997d5">00047</a>                 <a class="code" href="classEncryptionAlgorithm.html#0b0a38d56c374dd496b2eb3b196064da87b9713f03f6d386a291adce770997d5">THREEWAY</a> = 14,
<a name="l00048"></a><a class="code" href="classEncryptionAlgorithm.html#0b0a38d56c374dd496b2eb3b196064dad515a7dc78cbd5612e83a9aae1107244">00048</a>                 <a class="code" href="classEncryptionAlgorithm.html#0b0a38d56c374dd496b2eb3b196064dad515a7dc78cbd5612e83a9aae1107244">CAST128</a> = 15,
<a name="l00049"></a><a class="code" href="classEncryptionAlgorithm.html#0b0a38d56c374dd496b2eb3b196064da0d677fe184757e7586de175698103a03">00049</a>                 <a class="code" href="classEncryptionAlgorithm.html#0b0a38d56c374dd496b2eb3b196064da0d677fe184757e7586de175698103a03">BLOWFISH</a> = 16,
<a name="l00050"></a><a class="code" href="classEncryptionAlgorithm.html#0b0a38d56c374dd496b2eb3b196064da9cee17436bacf6fb196fa9314eb36e86">00050</a>                 <a class="code" href="classEncryptionAlgorithm.html#0b0a38d56c374dd496b2eb3b196064da9cee17436bacf6fb196fa9314eb36e86">DES</a> = 17,
<a name="l00051"></a><a class="code" href="classEncryptionAlgorithm.html#0b0a38d56c374dd496b2eb3b196064da1a2a0556c135deea10e369fbac503d23">00051</a>                 <a class="code" href="classEncryptionAlgorithm.html#0b0a38d56c374dd496b2eb3b196064da1a2a0556c135deea10e369fbac503d23">TRIPLEDES</a> = 18,
<a name="l00052"></a><a class="code" href="classEncryptionAlgorithm.html#0b0a38d56c374dd496b2eb3b196064da8b222ca28b942be68840b02dded149ff">00052</a>                 <a class="code" href="classEncryptionAlgorithm.html#0b0a38d56c374dd496b2eb3b196064da8b222ca28b942be68840b02dded149ff">ENIGMA</a> = 19,
<a name="l00053"></a><a class="code" href="classEncryptionAlgorithm.html#0b0a38d56c374dd496b2eb3b196064da9b6958d25a21123bb63d2080fa8064b5">00053</a>                 <a class="code" href="classEncryptionAlgorithm.html#0b0a38d56c374dd496b2eb3b196064da9b6958d25a21123bb63d2080fa8064b5">ARCFOUR</a> = 20,
<a name="l00054"></a><a class="code" href="classEncryptionAlgorithm.html#0b0a38d56c374dd496b2eb3b196064dae9dfbc00d41cf18d6a765c5014a5989e">00054</a>                 <a class="code" href="classEncryptionAlgorithm.html#0b0a38d56c374dd496b2eb3b196064dae9dfbc00d41cf18d6a765c5014a5989e">PANAMA</a> = 21,
<a name="l00055"></a><a class="code" href="classEncryptionAlgorithm.html#0b0a38d56c374dd496b2eb3b196064da8bac05b1857afecc3d189a61a61d4923">00055</a>                 <a class="code" href="classEncryptionAlgorithm.html#0b0a38d56c374dd496b2eb3b196064da8bac05b1857afecc3d189a61a61d4923">WAKE</a> = 22
<a name="l00056"></a>00056         } ;
<a name="l00057"></a>00057 
<a name="l00058"></a>00058         <a class="code" href="classEncryptionAlgorithm.html#8153a4eeaf5463cdb05f0715fe782a1d">EncryptionAlgorithm</a> (<span class="keywordtype">void</span>) ;
<a name="l00059"></a>00059         <a class="code" href="classEncryptionAlgorithm.html#8153a4eeaf5463cdb05f0715fe782a1d">EncryptionAlgorithm</a> (<a class="code" href="classEncryptionAlgorithm.html#0b0a38d56c374dd496b2eb3b196064da" title="integer representation of encryption algorithm">IRep</a> irep) ;
<a name="l00064"></a>00064         <a class="code" href="classEncryptionAlgorithm.html#8153a4eeaf5463cdb05f0715fe782a1d">EncryptionAlgorithm</a> (std::string srep) ;
<a name="l00065"></a>00065 
<a name="l00066"></a>00066         <span class="keywordtype">void</span> <a class="code" href="classEncryptionAlgorithm.html#5fe2a9ccaeb63a6d24e9c6c826aa0aec">setValue</a> (<a class="code" href="classEncryptionAlgorithm.html#0b0a38d56c374dd496b2eb3b196064da" title="integer representation of encryption algorithm">IRep</a> irep) ;
<a name="l00067"></a>00067 
<a name="l00068"></a>00068         std::string <a class="code" href="classEncryptionAlgorithm.html#b7463dacf65111b52b3dd0118dd48e3a">getStringRep</a> (<span class="keywordtype">void</span>) <span class="keyword">const</span> ;
<a name="l00069"></a>00069         <a class="code" href="classEncryptionAlgorithm.html#0b0a38d56c374dd496b2eb3b196064da" title="integer representation of encryption algorithm">IRep</a> <a class="code" href="classEncryptionAlgorithm.html#9ae064e382d37b89dfef2a3c5618f935">getIntegerRep</a> (<span class="keywordtype">void</span>) <span class="keyword">const</span> ;
<a name="l00070"></a>00070 
<a name="l00071"></a><a class="code" href="classEncryptionAlgorithm.html#73e723f6e68b953ee5b64bea7ee48e9f">00071</a>         <span class="keywordtype">bool</span> <a class="code" href="classEncryptionAlgorithm.html#73e723f6e68b953ee5b64bea7ee48e9f">operator== </a>(<span class="keyword">const</span> <a class="code" href="classEncryptionAlgorithm.html">EncryptionAlgorithm</a>&amp; algo)<span class="keyword"> const</span>
<a name="l00072"></a>00072 <span class="keyword">                </span>{ <span class="keywordflow">return</span> (<a class="code" href="classEncryptionAlgorithm.html#f75d13966d2b849cb0d92446ab982f5a">Value</a> == algo.<a class="code" href="classEncryptionAlgorithm.html#f75d13966d2b849cb0d92446ab982f5a">Value</a>) ; } ;
<a name="l00073"></a>00073 
<a name="l00079"></a>00079         <span class="keyword">static</span> <span class="keywordtype">bool</span> <a class="code" href="classEncryptionAlgorithm.html#a27946ca69ace48b6264fcd6a11bf820">isValidStringRep</a> (std::string srep) ;
<a name="l00080"></a>00080 
<a name="l00081"></a>00081         <span class="keyword">static</span> <span class="keywordtype">bool</span> <a class="code" href="classEncryptionAlgorithm.html#6831aa0c243e97fea301b9941e80ff54">isValidIntegerRep</a> (<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> irep) ;
<a name="l00082"></a>00082 
<a name="l00086"></a>00086         <span class="keyword">static</span> std::string <a class="code" href="classEncryptionAlgorithm.html#11940db2351b1c3bb112e82584db3ce2">translate</a> (<a class="code" href="classEncryptionAlgorithm.html#0b0a38d56c374dd496b2eb3b196064da" title="integer representation of encryption algorithm">IRep</a> irep) ;
<a name="l00087"></a>00087 
<a name="l00091"></a>00091         <span class="keyword">static</span> <a class="code" href="classEncryptionAlgorithm.html#0b0a38d56c374dd496b2eb3b196064da" title="integer representation of encryption algorithm">IRep</a> <a class="code" href="classEncryptionAlgorithm.html#11940db2351b1c3bb112e82584db3ce2">translate</a> (std::string srep) ;
<a name="l00092"></a>00092 
<a name="l00093"></a>00093         <span class="keyword">private</span>:
<a name="l00094"></a><a class="code" href="classEncryptionAlgorithm.html#c73bd3dce21f67281d56d2f472cae216">00094</a>         <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <a class="code" href="classEncryptionAlgorithm.html#c73bd3dce21f67281d56d2f472cae216">NumValues</a> = 23 ;
<a name="l00095"></a><a class="code" href="classEncryptionAlgorithm.html#f75d13966d2b849cb0d92446ab982f5a">00095</a>         <a class="code" href="classEncryptionAlgorithm.html#0b0a38d56c374dd496b2eb3b196064da" title="integer representation of encryption algorithm">IRep</a> <a class="code" href="classEncryptionAlgorithm.html#f75d13966d2b849cb0d92446ab982f5a">Value</a> ;
<a name="l00096"></a>00096 
<a name="l00097"></a><a class="code" href="structEncryptionAlgorithm_1_1struct__Translation.html">00097</a>         <span class="keyword">typedef</span> <span class="keyword">struct </span><a class="code" href="structEncryptionAlgorithm_1_1struct__Translation.html">struct_Translation</a> {
<a name="l00098"></a><a class="code" href="structEncryptionAlgorithm_1_1struct__Translation.html#94804ed1cda3054c2b57f9bb6d51993c">00098</a>                 <a class="code" href="classEncryptionAlgorithm.html#0b0a38d56c374dd496b2eb3b196064da" title="integer representation of encryption algorithm">IRep</a>    <a class="code" href="structEncryptionAlgorithm_1_1struct__Translation.html#94804ed1cda3054c2b57f9bb6d51993c">irep</a> ;
<a name="l00099"></a><a class="code" href="structEncryptionAlgorithm_1_1struct__Translation.html#0bd39117150f7b3c0f02d71a39441287">00099</a>                 <span class="keywordtype">char</span>*   <a class="code" href="structEncryptionAlgorithm_1_1struct__Translation.html#0bd39117150f7b3c0f02d71a39441287">srep</a> ;
<a name="l00100"></a>00100         } <a class="code" href="structEncryptionAlgorithm_1_1struct__Translation.html">Translation</a> ;
<a name="l00101"></a><a class="code" href="classEncryptionAlgorithm.html#04ae419348583b3a689f04877968ea06">00101</a>         <span class="keyword">static</span> <span class="keyword">const</span> <a class="code" href="structEncryptionAlgorithm_1_1struct__Translation.html">Translation</a> <a class="code" href="classEncryptionAlgorithm.html#04ae419348583b3a689f04877968ea06">Translations</a>[] ;
<a name="l00102"></a>00102 } ;
<a name="l00103"></a>00103 
<a name="l00104"></a>00104 <span class="preprocessor">#endif // ndef SH_ENCALGO_H</span>
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