wolfssl/cyassl/ctaocrypt/sha512.h
2014-07-10 11:18:49 -06:00

121 lines
3.5 KiB
C

/* sha512.h
*
* Copyright (C) 2006-2014 wolfSSL Inc.
*
* This file is part of CyaSSL.
*
* CyaSSL 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.
*
* CyaSSL 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
*/
#ifdef CYASSL_SHA512
#ifndef CTAO_CRYPT_SHA512_H
#define CTAO_CRYPT_SHA512_H
#include <cyassl/ctaocrypt/types.h>
#ifdef __cplusplus
extern "C" {
#endif
/* in bytes */
enum {
SHA512 = 4, /* hash type unique */
SHA512_BLOCK_SIZE = 128,
SHA512_DIGEST_SIZE = 64,
SHA512_PAD_SIZE = 112
};
/* Sha512 digest */
typedef struct Sha512 {
word32 buffLen; /* in bytes */
word32 loLen; /* length in bytes */
word32 hiLen; /* length in bytes */
word64 digest[SHA512_DIGEST_SIZE / sizeof(word64)];
word64 buffer[SHA512_BLOCK_SIZE / sizeof(word64)];
} Sha512;
CYASSL_API int InitSha512(Sha512*);
CYASSL_API int Sha512Update(Sha512*, const byte*, word32);
CYASSL_API int Sha512Final(Sha512*, byte*);
CYASSL_API int Sha512Hash(const byte*, word32, byte*);
#if defined(CYASSL_SHA384) || defined(HAVE_AESGCM)
/* in bytes */
enum {
SHA384 = 5, /* hash type unique */
SHA384_BLOCK_SIZE = 128,
SHA384_DIGEST_SIZE = 48,
SHA384_PAD_SIZE = 112
};
/* Sha384 digest */
typedef struct Sha384 {
word32 buffLen; /* in bytes */
word32 loLen; /* length in bytes */
word32 hiLen; /* length in bytes */
word64 digest[SHA512_DIGEST_SIZE / sizeof(word64)]; /* for transform 512 */
word64 buffer[SHA384_BLOCK_SIZE / sizeof(word64)];
} Sha384;
CYASSL_API int InitSha384(Sha384*);
CYASSL_API int Sha384Update(Sha384*, const byte*, word32);
CYASSL_API int Sha384Final(Sha384*, byte*);
CYASSL_API int Sha384Hash(const byte*, word32, byte*);
#ifdef HAVE_FIPS
/* fips wrapper calls, user can call direct */
CYASSL_API int InitSha512_fips(Sha512*);
CYASSL_API int Sha512Update_fips(Sha512*, const byte*, word32);
CYASSL_API int Sha512Final_fips(Sha512*, byte*);
#ifndef FIPS_NO_WRAPPERS
/* if not impl or fips.c impl wrapper force fips calls if fips build */
#define InitSha512 InitSha512_fips
#define Sha512Update Sha512Update_fips
#define Sha512Final Sha512Final_fips
#endif /* FIPS_NO_WRAPPERS */
/* fips wrapper calls, user can call direct */
CYASSL_API int InitSha384_fips(Sha384*);
CYASSL_API int Sha384Update_fips(Sha384*, const byte*, word32);
CYASSL_API int Sha384Final_fips(Sha384*, byte*);
#ifndef FIPS_NO_WRAPPERS
/* if not impl or fips.c impl wrapper force fips calls if fips build */
#define InitSha384 InitSha384_fips
#define Sha384Update Sha384Update_fips
#define Sha384Final Sha384Final_fips
#endif /* FIPS_NO_WRAPPERS */
#endif /* HAVE_FIPS */
#endif /* CYASSL_SHA384 */
#ifdef __cplusplus
} /* extern "C" */
#endif
#endif /* CTAO_CRYPT_SHA512_H */
#endif /* CYASSL_SHA512 */