ssh lib
Diff: wolfcrypt/des3.h
- Revision:
- 0:1387ff3eed4a
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/wolfcrypt/des3.h Wed Nov 20 13:28:01 2019 +0000 @@ -0,0 +1,148 @@ +/* des3.h + * + * Copyright (C) 2006-2017 wolfSSL Inc. + * + * This file is part of wolfSSL. + * + * wolfSSL is free software; you can redistribute it and/or modify + * 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. + * + * wolfSSL is distributed in the hope that it will be useful, + * 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 + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1335, USA + */ + +/*! + \file wolfssl/wolfcrypt/des3.h +*/ + +#ifndef WOLF_CRYPT_DES3_H +#define WOLF_CRYPT_DES3_H + +#include <wolfcrypt/types.h> + +#ifndef NO_DES3 + +#if defined(HAVE_FIPS) && \ + defined(HAVE_FIPS_VERSION) && (HAVE_FIPS_VERSION >= 2) + #include <wolfcrypt/fips.h> +#endif /* HAVE_FIPS_VERSION >= 2 */ + +#if defined(HAVE_FIPS) && \ + (!defined(HAVE_FIPS_VERSION) || (HAVE_FIPS_VERSION < 2)) +/* included for fips @wc_fips */ +#include <cyassl/ctaocrypt/des3.h> +#endif + +#ifdef __cplusplus + extern "C" { +#endif + +/* these are required for FIPS and non-FIPS */ +enum { + DES_KEY_SIZE = 8, /* des */ + DES3_KEY_SIZE = 24, /* 3 des ede */ + DES_IV_SIZE = 16, +}; + + +/* avoid redefinition of structs */ +#if !defined(HAVE_FIPS) || \ + (defined(HAVE_FIPS_VERSION) && (HAVE_FIPS_VERSION >= 2)) + +#ifdef WOLFSSL_ASYNC_CRYPT + #include <wolfcrypt/async.h> +#endif + +enum { + DES_ENC_TYPE = WC_CIPHER_DES, /* cipher unique type */ + DES3_ENC_TYPE = WC_CIPHER_DES3, /* cipher unique type */ + + DES_BLOCK_SIZE = 8, + DES_KS_SIZE = 32, /* internal DES key buffer size */ + + DES_ENCRYPTION = 0, + DES_DECRYPTION = 1 +}; + +#define DES_IVLEN 8 +#define DES_KEYLEN 8 +#define DES3_IVLEN 8 +#define DES3_KEYLEN 24 + + +#if defined(STM32_CRYPTO) +enum { + DES_CBC = 0, + DES_ECB = 1 +}; +#endif + + +/* DES encryption and decryption */ +typedef struct Des { + word32 reg[DES_BLOCK_SIZE / sizeof(word32)]; /* for CBC mode */ + word32 tmp[DES_BLOCK_SIZE / sizeof(word32)]; /* same */ + word32 key[DES_KS_SIZE]; +} 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 */ +#ifdef WOLFSSL_ASYNC_CRYPT + const byte* key_raw; + const byte* iv_raw; + WC_ASYNC_DEV asyncDev; +#endif + void* heap; +} Des3; +#endif /* HAVE_FIPS */ + + +WOLFSSL_API int wc_Des_SetKey(Des* des, const byte* key, + const byte* iv, int dir); +WOLFSSL_API void wc_Des_SetIV(Des* des, const byte* iv); +WOLFSSL_API int wc_Des_CbcEncrypt(Des* des, byte* out, + const byte* in, word32 sz); +WOLFSSL_API int wc_Des_CbcDecrypt(Des* des, byte* out, + const byte* in, word32 sz); +WOLFSSL_API int wc_Des_EcbEncrypt(Des* des, byte* out, + const byte* in, word32 sz); +WOLFSSL_API int wc_Des3_EcbEncrypt(Des3* des, byte* out, + const byte* in, word32 sz); + +/* ECB decrypt same process as encrypt but with decrypt key */ +#define wc_Des_EcbDecrypt wc_Des_EcbEncrypt +#define wc_Des3_EcbDecrypt wc_Des3_EcbEncrypt + +WOLFSSL_API int wc_Des3_SetKey(Des3* des, const byte* key, + const byte* iv,int dir); +WOLFSSL_API int wc_Des3_SetIV(Des3* des, const byte* iv); +WOLFSSL_API int wc_Des3_CbcEncrypt(Des3* des, byte* out, + const byte* in,word32 sz); +WOLFSSL_API int wc_Des3_CbcDecrypt(Des3* des, byte* out, + const byte* in,word32 sz); + +/* These are only required when using either: + static memory (WOLFSSL_STATIC_MEMORY) or asynchronous (WOLFSSL_ASYNC_CRYPT) */ +WOLFSSL_API int wc_Des3Init(Des3*, void*, int); +WOLFSSL_API void wc_Des3Free(Des3*); + +#ifdef __cplusplus + } /* extern "C" */ +#endif + +#endif /* NO_DES3 */ +#endif /* WOLF_CRYPT_DES3_H */ + +