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<h1>include/beecrypt/blowfish.h</h1> </div>
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<a href="blowfish_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"> * Copyright (c) 1999, 2000, 2002 X-Way Rights BV</span>
<a name="l00003"></a>00003 <span class="comment"> *</span>
<a name="l00004"></a>00004 <span class="comment"> * This library is free software; you can redistribute it and/or</span>
<a name="l00005"></a>00005 <span class="comment"> * modify it under the terms of the GNU Lesser General Public</span>
<a name="l00006"></a>00006 <span class="comment"> * License as published by the Free Software Foundation; either</span>
<a name="l00007"></a>00007 <span class="comment"> * version 2.1 of the License, or (at your option) any later version.</span>
<a name="l00008"></a>00008 <span class="comment"> *</span>
<a name="l00009"></a>00009 <span class="comment"> * This library is distributed in the hope that it will be useful,</span>
<a name="l00010"></a>00010 <span class="comment"> * but WITHOUT ANY WARRANTY; without even the implied warranty of</span>
<a name="l00011"></a>00011 <span class="comment"> * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU</span>
<a name="l00012"></a>00012 <span class="comment"> * Lesser General Public License for more details.</span>
<a name="l00013"></a>00013 <span class="comment"> *</span>
<a name="l00014"></a>00014 <span class="comment"> * You should have received a copy of the GNU Lesser General Public</span>
<a name="l00015"></a>00015 <span class="comment"> * License along with this library; if not, write to the Free Software</span>
<a name="l00016"></a>00016 <span class="comment"> * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA</span>
<a name="l00017"></a>00017 <span class="comment"> *</span>
<a name="l00018"></a>00018 <span class="comment"> */</span>
<a name="l00019"></a>00019
<a name="l00034"></a>00034 <span class="preprocessor">#ifndef _BLOWFISH_H</span>
<a name="l00035"></a>00035 <span class="preprocessor"></span><span class="preprocessor">#define _BLOWFISH_H</span>
<a name="l00036"></a>00036 <span class="preprocessor"></span>
<a name="l00037"></a>00037 <span class="preprocessor">#include "beecrypt/beecrypt.h"</span>
<a name="l00038"></a>00038 <span class="preprocessor">#include "beecrypt/blowfishopt.h"</span>
<a name="l00039"></a>00039
<a name="l00040"></a><a class="code" href="blowfish_8h.html#a320de9881e6c7560cd5b13828c420d5a">00040</a> <span class="preprocessor">#define BLOWFISHROUNDS 16</span>
<a name="l00041"></a><a class="code" href="blowfish_8h.html#aa638e9cb3cbf0ad5b94a25fdb9eb64c6">00041</a> <span class="preprocessor"></span><span class="preprocessor">#define BLOWFISHPSIZE (BLOWFISHROUNDS+2)</span>
<a name="l00042"></a>00042 <span class="preprocessor"></span>
<a name="l00046"></a>00046 <span class="preprocessor">#ifdef __cplusplus</span>
<a name="l00047"></a><a class="code" href="structblowfishParam.html">00047</a> <span class="preprocessor"></span><span class="keyword">struct </span><a class="code" href="api_8h.html#a4f699d64328623c51b22f3b3f1ff4150">BEECRYPTAPI</a> <a class="code" href="structblowfishParam.html" title="Holds all the parameters necessary for the Blowfish cipher.">blowfishParam</a>
<a name="l00048"></a>00048 #else
<a name="l00049"></a>00049 struct _blowfishParam
<a name="l00050"></a>00050 #endif
<a name="l00051"></a>00051 {
<a name="l00055"></a><a class="code" href="structblowfishParam.html#a4c5ad09d2167f603682f84373b4708b6">00055</a> uint32_t p[<a class="code" href="blowfish_8h.html#aa638e9cb3cbf0ad5b94a25fdb9eb64c6">BLOWFISHPSIZE</a>];
<a name="l00059"></a><a class="code" href="structblowfishParam.html#a82a3e49436fba83242b66f2d530cea21">00059</a> uint32_t s[1024];
<a name="l00063"></a><a class="code" href="structblowfishParam.html#a1ca673c86a0c0a5fecc3eb47ca812536">00063</a> uint32_t fdback[2];
<a name="l00064"></a>00064 };
<a name="l00065"></a>00065
<a name="l00066"></a>00066 <span class="preprocessor">#ifndef __cplusplus</span>
<a name="l00067"></a>00067 <span class="preprocessor"></span><span class="keyword">typedef</span> <span class="keyword">struct </span>_blowfishParam <a class="code" href="structblowfishParam.html" title="Holds all the parameters necessary for the Blowfish cipher.">blowfishParam</a>;
<a name="l00068"></a>00068 <span class="preprocessor">#endif</span>
<a name="l00069"></a>00069 <span class="preprocessor"></span>
<a name="l00070"></a>00070 <span class="preprocessor">#ifdef __cplusplus</span>
<a name="l00071"></a>00071 <span class="preprocessor"></span><span class="keyword">extern</span> <span class="stringliteral">"C"</span> {
<a name="l00072"></a>00072 <span class="preprocessor">#endif</span>
<a name="l00073"></a>00073 <span class="preprocessor"></span>
<a name="l00077"></a>00077 <span class="keyword">extern</span> <span class="keyword">const</span> <a class="code" href="api_8h.html#a4f699d64328623c51b22f3b3f1ff4150">BEECRYPTAPI</a> <a class="code" href="structblockCipher.html" title="Holds information and pointers to code specific to each cipher.">blockCipher</a> <a class="code" href="blowfish_8h.html#a58839854cfc0f9bcafd4b79ffd8e9d91" title="Holds the full API description of the Blowfish algorithm.">blowfish</a>;
<a name="l00078"></a>00078
<a name="l00089"></a>00089 <a class="code" href="api_8h.html#a4f699d64328623c51b22f3b3f1ff4150">BEECRYPTAPI</a>
<a name="l00090"></a>00090 <span class="keywordtype">int</span> <a class="code" href="blowfish_8h.html#acce3d0c95c67c98202e851063604819e" title="The function performs the cipher&#39;s key expansion.">blowfishSetup</a> (<a class="code" href="structblowfishParam.html" title="Holds all the parameters necessary for the Blowfish cipher.">blowfishParam</a>*, <span class="keyword">const</span> <a class="code" href="api_8h.html#ab8ef12fab634c171394422d0ee8baf94">byte</a>*, <span class="keywordtype">size_t</span>, <a class="code" href="group__BC__m.html#gace10d4c0b0409d35c6a703d6445fc558" title="Specifies whether to perform encryption or decryption.">cipherOperation</a>);
<a name="l00091"></a>00091
<a name="l00099"></a>00099 <a class="code" href="api_8h.html#a4f699d64328623c51b22f3b3f1ff4150">BEECRYPTAPI</a>
<a name="l00100"></a>00100 <span class="keywordtype">int</span> <a class="code" href="blowfish_8h.html#a56566a49f33043d7a443a7bbbcd7bd5f" title="This function sets the Initialization Vector.">blowfishSetIV</a> (<a class="code" href="structblowfishParam.html" title="Holds all the parameters necessary for the Blowfish cipher.">blowfishParam</a>*, <span class="keyword">const</span> <a class="code" href="api_8h.html#ab8ef12fab634c171394422d0ee8baf94">byte</a>* iv);
<a name="l00101"></a>00101
<a name="l00102"></a>00102 <a class="code" href="api_8h.html#a4f699d64328623c51b22f3b3f1ff4150">BEECRYPTAPI</a>
<a name="l00103"></a>00103 <span class="keywordtype">int</span> <a class="code" href="blowfish_8h.html#a8bd243fafbf7c52359f19ab04de13c42">blowfishSetCTR</a> (<a class="code" href="structblowfishParam.html" title="Holds all the parameters necessary for the Blowfish cipher.">blowfishParam</a>*, <span class="keyword">const</span> <a class="code" href="api_8h.html#ab8ef12fab634c171394422d0ee8baf94">byte</a>* nivz, <span class="keywordtype">size_t</span> counter);
<a name="l00104"></a>00104
<a name="l00113"></a>00113 <a class="code" href="api_8h.html#a4f699d64328623c51b22f3b3f1ff4150">BEECRYPTAPI</a>
<a name="l00114"></a>00114 <span class="keywordtype">int</span> <a class="code" href="blowfish_8h.html#a2b48ab4a1793739d266308d1033aee70" title="This function performs the Blowfish encryption; it encrypts one block of 64 bits.">blowfishEncrypt</a> (<a class="code" href="structblowfishParam.html" title="Holds all the parameters necessary for the Blowfish cipher.">blowfishParam</a>*, uint32_t*, <span class="keyword">const</span> uint32_t*);
<a name="l00115"></a>00115
<a name="l00124"></a>00124 <a class="code" href="api_8h.html#a4f699d64328623c51b22f3b3f1ff4150">BEECRYPTAPI</a>
<a name="l00125"></a>00125 <span class="keywordtype">int</span> <a class="code" href="blowfish_8h.html#a6339ebc5b30a93680c152076ddd5f033" title="This function performs the Blowfish decryption; it Rderypts one block of 64 bits.">blowfishDecrypt</a> (<a class="code" href="structblowfishParam.html" title="Holds all the parameters necessary for the Blowfish cipher.">blowfishParam</a>*, uint32_t*, <span class="keyword">const</span> uint32_t*);
<a name="l00126"></a>00126
<a name="l00127"></a>00127 <a class="code" href="api_8h.html#a4f699d64328623c51b22f3b3f1ff4150">BEECRYPTAPI</a>
<a name="l00128"></a>00128 uint32_t* <a class="code" href="blowfish_8h.html#ae2137286429679c247215465d99342c5">blowfishFeedback</a>(<a class="code" href="structblowfishParam.html" title="Holds all the parameters necessary for the Blowfish cipher.">blowfishParam</a>*);
<a name="l00129"></a>00129
<a name="l00130"></a>00130 <span class="preprocessor">#ifdef __cplusplus</span>
<a name="l00131"></a>00131 <span class="preprocessor"></span>}
<a name="l00132"></a>00132 <span class="preprocessor">#endif</span>
<a name="l00133"></a>00133 <span class="preprocessor"></span>
<a name="l00134"></a>00134 <span class="preprocessor">#endif</span>
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