wolfssl/cyassl/ctaocrypt/sha.h
2015-01-06 12:14:15 -07:00

93 lines
2.5 KiB
C

/* sha.h
*
* Copyright (C) 2006-2014 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 NO_SHA
#ifndef CTAO_CRYPT_SHA_H
#define CTAO_CRYPT_SHA_H
#include <cyassl/ctaocrypt/types.h>
#ifdef __cplusplus
extern "C" {
#endif
/* 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 CYASSL_PIC32MZ_HASH
#include "port/pic32/pic32mz-crypt.h"
#endif
/* 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 CYASSL_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;
CYASSL_API int InitSha(Sha*);
CYASSL_API int ShaUpdate(Sha*, const byte*, word32);
CYASSL_API int ShaFinal(Sha*, byte*);
CYASSL_API int ShaHash(const byte*, word32, byte*);
#ifdef HAVE_FIPS
/* fips wrapper calls, user can call direct */
CYASSL_API int InitSha_fips(Sha*);
CYASSL_API int ShaUpdate_fips(Sha*, const byte*, word32);
CYASSL_API int ShaFinal_fips(Sha*, byte*);
#ifndef FIPS_NO_WRAPPERS
/* if not impl or fips.c impl wrapper force fips calls if fips build */
#define InitSha InitSha_fips
#define ShaUpdate ShaUpdate_fips
#define ShaFinal ShaFinal_fips
#endif /* FIPS_NO_WRAPPERS */
#endif /* HAVE_FIPS */
#ifdef __cplusplus
} /* extern "C" */
#endif
#endif /* CTAO_CRYPT_SHA_H */
#endif /* NO_SHA */