128 lines
3.8 KiB
C
128 lines
3.8 KiB
C
/* 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 CyaSSL.
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*
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* CyaSSL 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
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* CyaSSL is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* 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
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#ifndef CTAO_CRYPT_DES3_H
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#define CTAO_CRYPT_DES3_H
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#include <cyassl/ctaocrypt/types.h>
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#ifdef __cplusplus
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extern "C" {
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#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 */
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DES3_ENC_TYPE = 3, /* cipher unique type */
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DES_BLOCK_SIZE = 8,
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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
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#define DES_KEYLEN 8
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#define DES3_IVLEN 8
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#define DES3_KEYLEN 24
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#ifdef STM32F2_CRYPTO
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enum {
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DES_CBC = 0,
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DES_ECB = 1
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};
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#endif
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/* DES encryption and decryption */
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typedef struct Des {
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word32 reg[DES_BLOCK_SIZE / sizeof(word32)]; /* for CBC mode */
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word32 tmp[DES_BLOCK_SIZE / sizeof(word32)]; /* same */
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word32 key[DES_KS_SIZE];
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} Des;
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/* DES3 encryption and decryption */
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typedef struct Des3 {
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word32 key[3][DES_KS_SIZE];
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word32 reg[DES_BLOCK_SIZE / sizeof(word32)]; /* for CBC mode */
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word32 tmp[DES_BLOCK_SIZE / sizeof(word32)]; /* same */
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#ifdef HAVE_CAVIUM
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int devId; /* nitrox device id */
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word32 magic; /* using cavium magic */
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word64 contextHandle; /* nitrox context memory handle */
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#endif
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} Des3;
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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);
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CYASSL_API void Des_CbcEncrypt(Des* des, byte* out, const byte* in, word32 sz);
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CYASSL_API void Des_CbcDecrypt(Des* des, byte* out, const byte* in, word32 sz);
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CYASSL_API void Des_EcbEncrypt(Des* des, byte* out, const byte* in, word32 sz);
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CYASSL_API int Des3_SetKey(Des3* des, const byte* key, const byte* iv,int dir);
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CYASSL_API int Des3_SetIV(Des3* des, const byte* iv);
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CYASSL_API int Des3_CbcEncrypt(Des3* des, byte* out, const byte* in,word32 sz);
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CYASSL_API int Des3_CbcDecrypt(Des3* des, byte* out, const byte* in,word32 sz);
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#ifdef HAVE_CAVIUM
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CYASSL_API int Des3_InitCavium(Des3*, int);
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CYASSL_API void Des3_FreeCavium(Des3*);
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#endif
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#ifdef HAVE_FIPS
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/* fips wrapper calls, user can call direct */
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CYASSL_API int Des3_SetKey_fips(Des3* des, const byte* key, const byte* iv,
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int dir);
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CYASSL_API int Des3_SetIV_fips(Des3* des, const byte* iv);
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CYASSL_API int Des3_CbcEncrypt_fips(Des3* des, byte* out, const byte* in,
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word32 sz);
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CYASSL_API int Des3_CbcDecrypt_fips(Des3* des, byte* out, const byte* in,
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word32 sz);
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#ifndef FIPS_NO_WRAPPERS
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/* if not impl or fips.c impl wrapper force fips calls if fips build */
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#define Des3_SetKey Des3_SetKey_fips
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#define Des3_SetIV Des3_SetIV_fips
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#define Des3_CbcEncrypt Des3_CbcEncrypt_fips
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#define Des3_CbcDecrypt Des3_CbcDecrypt_fips
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#endif /* FIPS_NO_WRAPPERS */
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#endif /* HAVE_FIPS */
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#ifdef __cplusplus
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} /* extern "C" */
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#endif
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#endif /* NO_DES3 */
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#endif /* CTAO_CRYPT_DES3_H */
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