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/* sha.h
*
* Copyright (C) 2006-2015 wolfSSL Inc.
*
* This file is part of wolfSSL. (formerly known as CyaSSL)
*
* 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 02110-1301, USA
*/
#ifndef WOLF_CRYPT_SHA_H
#define WOLF_CRYPT_SHA_H
#include <wolfssl/wolfcrypt/types.h>
#ifndef NO_SHA
#ifdef HAVE_FIPS
/* for fips @wc_fips */
#include <cyassl/ctaocrypt/sha.h>
#endif
#ifdef __cplusplus
extern "C" {
#endif
#ifndef HAVE_FIPS /* avoid redefining structs */
/* in bytes */
enum {
#ifdef STM32F2_HASH
SHA_REG_SIZE = 4, /* STM32 register size, bytes */
#endif
SHA = 1, /* hash type unique */
SHA_BLOCK_SIZE = 64,
SHA_DIGEST_SIZE = 20,
SHA_PAD_SIZE = 56
};
#ifdef WOLFSSL_PIC32MZ_HASH
#include "port/pic32/pic32mz-crypt.h"
#endif
#ifndef WOLFSSL_TI_HASH
/* Sha digest */
typedef struct Sha {
word32 buffLen; /* in bytes */
word32 loLen; /* length in bytes */
word32 hiLen; /* length in bytes */
word32 buffer[SHA_BLOCK_SIZE / sizeof(word32)];
#ifndef WOLFSSL_PIC32MZ_HASH
word32 digest[SHA_DIGEST_SIZE / sizeof(word32)];
#else
word32 digest[PIC32_HASH_SIZE / sizeof(word32)];
pic32mz_desc desc; /* Crypt Engine descripter */
#endif
} Sha;
#else /* WOLFSSL_TI_HASH */
#include "wolfssl/wolfcrypt/port/ti/ti-hash.h"
#endif
#endif /* HAVE_FIPS */
WOLFSSL_API int wc_InitSha(Sha*);
WOLFSSL_API int wc_ShaUpdate(Sha*, const byte*, word32);
WOLFSSL_API int wc_ShaFinal(Sha*, byte*);
WOLFSSL_API int wc_ShaHash(const byte*, word32, byte*);
#ifdef __cplusplus
} /* extern "C" */
#endif
#endif /* NO_SHA */
#endif /* WOLF_CRYPT_SHA_H */
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