BeeCrypt 4.2.1
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00001 /* 00002 * Copyright (c) 2002, 2003 Bob Deblier 00003 * 00004 * This library is free software; you can redistribute it and/or 00005 * modify it under the terms of the GNU Lesser General Public 00006 * License as published by the Free Software Foundation; either 00007 * version 2.1 of the License, or (at your option) any later version. 00008 * 00009 * This library is distributed in the hope that it will be useful, 00010 * but WITHOUT ANY WARRANTY; without even the implied warranty of 00011 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 00012 * Lesser General Public License for more details. 00013 * 00014 * You should have received a copy of the GNU Lesser General Public 00015 * License along with this library; if not, write to the Free Software 00016 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 00017 * 00018 */ 00019 00026 #ifndef _AES_H 00027 #define _AES_H 00028 00029 #include "beecrypt/beecrypt.h" 00030 #include "beecrypt/aesopt.h" 00031 00035 #ifdef __cplusplus 00036 struct BEECRYPTAPI aesParam 00037 #else 00038 struct _aesParam 00039 #endif 00040 { 00044 uint32_t k[64]; 00048 uint32_t nr; 00052 uint32_t fdback[4]; 00053 }; 00054 00055 #ifndef __cplusplus 00056 typedef struct _aesParam aesParam; 00057 #endif 00058 00059 #ifdef __cplusplus 00060 extern "C" { 00061 #endif 00062 00066 extern const BEECRYPTAPI blockCipher aes; 00067 00078 BEECRYPTAPI 00079 int aesSetup (aesParam* ap, const byte* key, size_t keybits, cipherOperation op); 00080 00088 BEECRYPTAPI 00089 int aesSetIV (aesParam* ap, const byte* iv); 00090 00099 BEECRYPTAPI 00100 int aesSetCTR (aesParam* ap, const byte* nivz, size_t counter); 00101 00110 BEECRYPTAPI 00111 int aesEncrypt (aesParam* ap, uint32_t* dst, const uint32_t* src); 00112 00121 BEECRYPTAPI 00122 int aesDecrypt (aesParam* ap, uint32_t* dst, const uint32_t* src); 00123 00124 BEECRYPTAPI 00125 uint32_t* aesFeedback(aesParam* ap); 00126 00127 #ifdef __cplusplus 00128 } 00129 #endif 00130 00131 #endif