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- /* sha.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
- */
- #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 */
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