161 lines
4.6 KiB
C
161 lines
4.6 KiB
C
/* des3.h
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*
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* Copyright (C) 2006-2023 wolfSSL Inc.
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*
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* This file is part of wolfSSL.
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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
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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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* 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
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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 02110-1335, USA
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*/
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/*!
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\file wolfssl/wolfcrypt/des3.h
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*/
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#ifndef WOLF_CRYPT_DES3_H
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#define WOLF_CRYPT_DES3_H
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#include <wolfssl/wolfcrypt/types.h>
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#ifndef NO_DES3
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#if defined(HAVE_FIPS) && defined(HAVE_FIPS_VERSION) && \
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(HAVE_FIPS_VERSION == 2 || HAVE_FIPS_VERSION == 3)
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#include <wolfssl/wolfcrypt/fips.h>
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#endif /* HAVE_FIPS_VERSION >= 2 */
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* these are required for FIPS and non-FIPS */
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enum {
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DES_KEY_SIZE = 8, /* des */
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DES3_KEY_SIZE = 24, /* 3 des ede */
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DES_IV_SIZE = 8 /* should be the same as DES_BLOCK_SIZE */
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};
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/* avoid redefinition of structs */
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#if !defined(HAVE_FIPS) || (defined(HAVE_FIPS_VERSION) && \
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HAVE_FIPS_VERSION >= 2)
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#ifdef WOLFSSL_ASYNC_CRYPT
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#include <wolfssl/wolfcrypt/async.h>
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#endif
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#ifdef WOLFSSL_SE050
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/* SE050 SDK also defines DES_BLOCK_SIZE */
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#undef DES_BLOCK_SIZE
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#endif
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enum {
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DES_ENC_TYPE = WC_CIPHER_DES, /* cipher unique type */
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DES3_ENC_TYPE = WC_CIPHER_DES3, /* cipher unique type */
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DES_BLOCK_SIZE = 8,
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DES_KS_SIZE = 32, /* internal DES key buffer size */
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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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#if defined(STM32_CRYPTO)
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#include <wolfssl/wolfcrypt/port/st/stm32.h>
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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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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 WOLFSSL_ASYNC_CRYPT
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WC_ASYNC_DEV asyncDev;
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#endif
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#if defined(WOLF_CRYPTO_CB) || \
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(defined(WOLFSSL_ASYNC_CRYPT) && defined(WC_ASYNC_ENABLE_3DES))
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word32 devKey[DES3_KEYLEN/sizeof(word32)]; /* raw key */
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#endif
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#ifdef WOLF_CRYPTO_CB
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int devId;
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void* devCtx;
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#endif
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void* heap;
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};
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#ifndef WC_DES3_TYPE_DEFINED
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typedef struct Des3 Des3;
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#define WC_DES3_TYPE_DEFINED
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#endif
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#endif /* HAVE_FIPS && HAVE_FIPS_VERSION >= 2 */
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WOLFSSL_API int wc_Des_SetKey(Des* des, const byte* key,
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const byte* iv, int dir);
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WOLFSSL_API void wc_Des_SetIV(Des* des, const byte* iv);
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WOLFSSL_API int wc_Des_CbcEncrypt(Des* des, byte* out,
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const byte* in, word32 sz);
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WOLFSSL_API int wc_Des_CbcDecrypt(Des* des, byte* out,
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const byte* in, word32 sz);
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WOLFSSL_API int wc_Des_EcbEncrypt(Des* des, byte* out,
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const byte* in, word32 sz);
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WOLFSSL_API int wc_Des3_EcbEncrypt(Des3* des, byte* out,
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const byte* in, word32 sz);
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/* ECB decrypt same process as encrypt but with decrypt key */
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#define wc_Des_EcbDecrypt wc_Des_EcbEncrypt
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#define wc_Des3_EcbDecrypt wc_Des3_EcbEncrypt
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WOLFSSL_API int wc_Des3_SetKey(Des3* des, const byte* key,
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const byte* iv,int dir);
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WOLFSSL_API int wc_Des3_SetIV(Des3* des, const byte* iv);
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WOLFSSL_API int wc_Des3_CbcEncrypt(Des3* des, byte* out,
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const byte* in,word32 sz);
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WOLFSSL_API int wc_Des3_CbcDecrypt(Des3* des, byte* out,
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const byte* in,word32 sz);
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/* These are only required when using either:
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static memory (WOLFSSL_STATIC_MEMORY) or asynchronous (WOLFSSL_ASYNC_CRYPT) */
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WOLFSSL_API int wc_Des3Init(Des3* des3, void* heap, int devId);
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WOLFSSL_API void wc_Des3Free(Des3* des3);
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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 /* WOLF_CRYPT_DES3_H */
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