Varun Bahl / CyaSSL-Encryp

cya_u

Fork of CyaSSL-forEncrypt by Mobius IoT

ctc_aes.h@0:5045d2638c29, 2011-02-05 (annotated)

Committer:
toddouska
Date:
Sat Feb 05 01:09:17 2011 +0000
Revision:
0:5045d2638c29
Child:
1:2cec76fea11b
Beta Version

Who changed what in which revision?

UserRevisionLine numberNew contents of line
toddouska 0:5045d2638c29 1 /* ctc_aes.h
toddouska 0:5045d2638c29 2 *
toddouska 0:5045d2638c29 3 * Copyright (C) 2006-2009 Sawtooth Consulting Ltd.
toddouska 0:5045d2638c29 4 *
toddouska 0:5045d2638c29 5 * This file is part of CyaSSL.
toddouska 0:5045d2638c29 6 *
toddouska 0:5045d2638c29 7 * CyaSSL is free software; you can redistribute it and/or modify
toddouska 0:5045d2638c29 8 * it under the terms of the GNU General Public License as published by
toddouska 0:5045d2638c29 9 * the Free Software Foundation; either version 2 of the License, or
toddouska 0:5045d2638c29 10 * (at your option) any later version.
toddouska 0:5045d2638c29 11 *
toddouska 0:5045d2638c29 12 * CyaSSL is distributed in the hope that it will be useful,
toddouska 0:5045d2638c29 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
toddouska 0:5045d2638c29 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
toddouska 0:5045d2638c29 15 * GNU General Public License for more details.
toddouska 0:5045d2638c29 16 *
toddouska 0:5045d2638c29 17 * You should have received a copy of the GNU General Public License
toddouska 0:5045d2638c29 18 * along with this program; if not, write to the Free Software
toddouska 0:5045d2638c29 19 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
toddouska 0:5045d2638c29 20 */
toddouska 0:5045d2638c29 21
toddouska 0:5045d2638c29 22 #ifndef NO_AES
toddouska 0:5045d2638c29 23
toddouska 0:5045d2638c29 24 #ifndef CTAO_CRYPT_AES_H
toddouska 0:5045d2638c29 25 #define CTAO_CRYPT_AES_H
toddouska 0:5045d2638c29 26
toddouska 0:5045d2638c29 27
toddouska 0:5045d2638c29 28 #include "types.h"
toddouska 0:5045d2638c29 29
toddouska 0:5045d2638c29 30 #ifdef CYASSL_AESNI
toddouska 0:5045d2638c29 31
toddouska 0:5045d2638c29 32 #include <wmmintrin.h>
toddouska 0:5045d2638c29 33
toddouska 0:5045d2638c29 34 #if !defined (ALIGN16)
toddouska 0:5045d2638c29 35 #if defined (__GNUC__)
toddouska 0:5045d2638c29 36 #define ALIGN16 __attribute__ ( (aligned (16)))
toddouska 0:5045d2638c29 37 #elif defined(_MSC_VER)
toddouska 0:5045d2638c29 38 #define ALIGN16 __declspec (align (16))
toddouska 0:5045d2638c29 39 #else
toddouska 0:5045d2638c29 40 #define ALIGN16
toddouska 0:5045d2638c29 41 #endif
toddouska 0:5045d2638c29 42 #endif
toddouska 0:5045d2638c29 43
toddouska 0:5045d2638c29 44 #endif /* CYASSL_AESNI */
toddouska 0:5045d2638c29 45
toddouska 0:5045d2638c29 46 #if !defined (ALIGN16)
toddouska 0:5045d2638c29 47 #define ALIGN16
toddouska 0:5045d2638c29 48 #endif
toddouska 0:5045d2638c29 49
toddouska 0:5045d2638c29 50 #ifdef __cplusplus
toddouska 0:5045d2638c29 51 extern "C" {
toddouska 0:5045d2638c29 52 #endif
toddouska 0:5045d2638c29 53
toddouska 0:5045d2638c29 54
toddouska 0:5045d2638c29 55 enum {
toddouska 0:5045d2638c29 56 AES_ENCRYPTION = 0,
toddouska 0:5045d2638c29 57 AES_DECRYPTION = 1,
toddouska 0:5045d2638c29 58 AES_BLOCK_SIZE = 16
toddouska 0:5045d2638c29 59 };
toddouska 0:5045d2638c29 60
toddouska 0:5045d2638c29 61
toddouska 0:5045d2638c29 62 typedef struct Aes {
toddouska 0:5045d2638c29 63 /* AESNI needs key first, rounds 2nd, not sure why yet */
toddouska 0:5045d2638c29 64 ALIGN16 word32 key[60];
toddouska 0:5045d2638c29 65 word32 rounds;
toddouska 0:5045d2638c29 66
toddouska 0:5045d2638c29 67 ALIGN16 word32 reg[AES_BLOCK_SIZE / sizeof(word32)]; /* for CBC mode */
toddouska 0:5045d2638c29 68 ALIGN16 word32 tmp[AES_BLOCK_SIZE / sizeof(word32)]; /* same */
toddouska 0:5045d2638c29 69 } Aes;
toddouska 0:5045d2638c29 70
toddouska 0:5045d2638c29 71
toddouska 0:5045d2638c29 72 int AesSetKey(Aes* aes, const byte* key, word32 len, const byte* iv, int dir);
toddouska 0:5045d2638c29 73 void AesCbcEncrypt(Aes* aes, byte* out, const byte* in, word32 sz);
toddouska 0:5045d2638c29 74 void AesCbcDecrypt(Aes* aes, byte* out, const byte* in, word32 sz);
toddouska 0:5045d2638c29 75
toddouska 0:5045d2638c29 76
toddouska 0:5045d2638c29 77 #ifdef __cplusplus
toddouska 0:5045d2638c29 78 } /* extern "C" */
toddouska 0:5045d2638c29 79 #endif
toddouska 0:5045d2638c29 80
toddouska 0:5045d2638c29 81
toddouska 0:5045d2638c29 82 #endif /* CTAO_CRYPT_AES_H */
toddouska 0:5045d2638c29 83 #endif /* NO_AES */
toddouska 0:5045d2638c29 84