wolfssl/cyassl/ctaocrypt/des3.h

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/* des3.h
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*
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* Copyright (C) 2006-2014 wolfSSL Inc.
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*
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* This file is part of wolfSSL. (formerly known as CyaSSL)
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*
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* wolfSSL is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
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* wolfSSL is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#ifndef NO_DES3
#ifndef CTAO_CRYPT_DES3_H
#define CTAO_CRYPT_DES3_H
#include <cyassl/ctaocrypt/types.h>
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#ifdef __cplusplus
extern "C" {
#endif
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#define CYASSL_3DES_CAVIUM_MAGIC 0xBEEF0003
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enum {
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DES_ENC_TYPE = 2, /* cipher unique type */
DES3_ENC_TYPE = 3, /* cipher unique type */
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DES_BLOCK_SIZE = 8,
DES_KS_SIZE = 32,
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DES_ENCRYPTION = 0,
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DES_DECRYPTION = 1
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};
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#define DES_IVLEN 8
#define DES_KEYLEN 8
#define DES3_IVLEN 8
#define DES3_KEYLEN 24
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#ifdef STM32F2_CRYPTO
enum {
DES_CBC = 0,
DES_ECB = 1
};
#endif
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/* DES encryption and decryption */
typedef struct Des {
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word32 reg[DES_BLOCK_SIZE / sizeof(word32)]; /* for CBC mode */
word32 tmp[DES_BLOCK_SIZE / sizeof(word32)]; /* same */
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word32 key[DES_KS_SIZE];
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} Des;
/* DES3 encryption and decryption */
typedef struct Des3 {
word32 key[3][DES_KS_SIZE];
word32 reg[DES_BLOCK_SIZE / sizeof(word32)]; /* for CBC mode */
word32 tmp[DES_BLOCK_SIZE / sizeof(word32)]; /* same */
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#ifdef HAVE_CAVIUM
int devId; /* nitrox device id */
word32 magic; /* using cavium magic */
word64 contextHandle; /* nitrox context memory handle */
#endif
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} Des3;
CYASSL_API int Des_SetKey(Des* des, const byte* key, const byte* iv, int dir);
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CYASSL_API void Des_SetIV(Des* des, const byte* iv);
CYASSL_API int Des_CbcEncrypt(Des* des, byte* out, const byte* in, word32 sz);
CYASSL_API int Des_CbcDecrypt(Des* des, byte* out, const byte* in, word32 sz);
CYASSL_API int Des_EcbEncrypt(Des* des, byte* out, const byte* in, word32 sz);
CYASSL_API int Des_CbcDecryptWithKey(byte* out, const byte* in, word32 sz,
const byte* key, const byte* iv);
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CYASSL_API int Des3_SetKey(Des3* des, const byte* key, const byte* iv,int dir);
CYASSL_API int Des3_SetIV(Des3* des, const byte* iv);
CYASSL_API int Des3_CbcEncrypt(Des3* des, byte* out, const byte* in,word32 sz);
CYASSL_API int Des3_CbcDecrypt(Des3* des, byte* out, const byte* in,word32 sz);
CYASSL_API int Des3_CbcDecryptWithKey(byte* out, const byte* in, word32 sz,
const byte* key, const byte* iv);
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#ifdef HAVE_CAVIUM
CYASSL_API int Des3_InitCavium(Des3*, int);
CYASSL_API void Des3_FreeCavium(Des3*);
#endif
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#ifdef HAVE_FIPS
/* fips wrapper calls, user can call direct */
CYASSL_API int Des3_SetKey_fips(Des3* des, const byte* key, const byte* iv,
int dir);
CYASSL_API int Des3_SetIV_fips(Des3* des, const byte* iv);
CYASSL_API int Des3_CbcEncrypt_fips(Des3* des, byte* out, const byte* in,
word32 sz);
CYASSL_API int Des3_CbcDecrypt_fips(Des3* des, byte* out, const byte* in,
word32 sz);
#ifndef FIPS_NO_WRAPPERS
/* if not impl or fips.c impl wrapper force fips calls if fips build */
#define Des3_SetKey Des3_SetKey_fips
#define Des3_SetIV Des3_SetIV_fips
#define Des3_CbcEncrypt Des3_CbcEncrypt_fips
#define Des3_CbcDecrypt Des3_CbcDecrypt_fips
#endif /* FIPS_NO_WRAPPERS */
#endif /* HAVE_FIPS */
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#ifdef __cplusplus
} /* extern "C" */
#endif
#endif /* NO_DES3 */
#endif /* CTAO_CRYPT_DES3_H */