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/* sha.h
*
* Copyright (C) 2006-2020 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
*/
/* sha.h for openssl */
#ifndef WOLFSSL_SHA_H_
#define WOLFSSL_SHA_H_
#include <wolfssl/wolfcrypt/settings.h>
#include <wolfssl/wolfcrypt/types.h>
#ifdef WOLFSSL_PREFIX
#include "prefix_sha.h"
#endif
#ifdef __cplusplus
extern "C" {
#endif
typedef struct WOLFSSL_SHA_CTX {
/* big enough to hold wolfcrypt Sha, but check on init */
#if defined(STM32_HASH)
void* holder[(112 + WC_ASYNC_DEV_SIZE + sizeof(STM32_HASH_Context)) / sizeof(void*)];
#else
void* holder[(112 + WC_ASYNC_DEV_SIZE) / sizeof(void*)];
#endif
#ifdef WOLF_CRYPTO_CB
void* cryptocb_holder[(sizeof(int) + sizeof(void*) + 4) / sizeof(void*)];
#endif
} WOLFSSL_SHA_CTX;
WOLFSSL_API int wolfSSL_SHA_Init(WOLFSSL_SHA_CTX*);
WOLFSSL_API int wolfSSL_SHA_Update(WOLFSSL_SHA_CTX*, const void*, unsigned long);
WOLFSSL_API int wolfSSL_SHA_Final(unsigned char*, WOLFSSL_SHA_CTX*);
/* SHA1 points to above, shouldn't use SHA0 ever */
WOLFSSL_API int wolfSSL_SHA1_Init(WOLFSSL_SHA_CTX*);
WOLFSSL_API int wolfSSL_SHA1_Update(WOLFSSL_SHA_CTX*, const void*, unsigned long);
WOLFSSL_API int wolfSSL_SHA1_Final(unsigned char*, WOLFSSL_SHA_CTX*);
enum {
SHA_DIGEST_LENGTH = 20
};
typedef WOLFSSL_SHA_CTX SHA_CTX;
#define SHA_Init wolfSSL_SHA_Init
#define SHA_Update wolfSSL_SHA_Update
#define SHA_Final wolfSSL_SHA_Final
#define SHA1_Init wolfSSL_SHA1_Init
#define SHA1_Update wolfSSL_SHA1_Update
#define SHA1_Final wolfSSL_SHA1_Final
#ifdef WOLFSSL_SHA224
/* Using ALIGN16 because when AES-NI is enabled digest and buffer in Sha256
* struct are 16 byte aligned. Any dereference to those elements after casting
* to Sha224, is expected to also be 16 byte aligned addresses. */
typedef struct WOLFSSL_SHA224_CTX {
/* big enough to hold wolfcrypt Sha224, but check on init */
ALIGN16 void* holder[(272 + WC_ASYNC_DEV_SIZE) / sizeof(void*)];
} WOLFSSL_SHA224_CTX;
WOLFSSL_API int wolfSSL_SHA224_Init(WOLFSSL_SHA224_CTX*);
WOLFSSL_API int wolfSSL_SHA224_Update(WOLFSSL_SHA224_CTX*, const void*,
unsigned long);
WOLFSSL_API int wolfSSL_SHA224_Final(unsigned char*, WOLFSSL_SHA224_CTX*);
enum {
SHA224_DIGEST_LENGTH = 28
};
typedef WOLFSSL_SHA224_CTX SHA224_CTX;
#define SHA224_Init wolfSSL_SHA224_Init
#define SHA224_Update wolfSSL_SHA224_Update
#define SHA224_Final wolfSSL_SHA224_Final
#endif /* WOLFSSL_SHA224 */
/* Using ALIGN16 because when AES-NI is enabled digest and buffer in Sha256
* struct are 16 byte aligned. Any dereference to those elements after casting
* to Sha256, is expected to also be 16 byte aligned addresses. */
typedef struct WOLFSSL_SHA256_CTX {
/* big enough to hold wolfcrypt Sha256, but check on init */
ALIGN16 void* holder[(272 + WC_ASYNC_DEV_SIZE) / sizeof(void*)];
} WOLFSSL_SHA256_CTX;
WOLFSSL_API int wolfSSL_SHA256_Init(WOLFSSL_SHA256_CTX*);
WOLFSSL_API int wolfSSL_SHA256_Update(WOLFSSL_SHA256_CTX*, const void*,
unsigned long);
WOLFSSL_API int wolfSSL_SHA256_Final(unsigned char*, WOLFSSL_SHA256_CTX*);
enum {
SHA256_DIGEST_LENGTH = 32
};
typedef WOLFSSL_SHA256_CTX SHA256_CTX;
#define SHA256_Init wolfSSL_SHA256_Init
#define SHA256_Update wolfSSL_SHA256_Update
#define SHA256_Final wolfSSL_SHA256_Final
#if defined(NO_OLD_SHA_NAMES) && !defined(HAVE_FIPS) && !defined(HAVE_SELFTEST)
/* SHA256 is only available in non-fips mode because of SHA256 enum in FIPS
* build. */
#define SHA256 wolfSSL_SHA256
#endif
#ifdef WOLFSSL_SHA384
typedef struct WOLFSSL_SHA384_CTX {
/* big enough to hold wolfCrypt Sha384, but check on init */
void* holder[(256 + WC_ASYNC_DEV_SIZE) / sizeof(void*)];
} WOLFSSL_SHA384_CTX;
WOLFSSL_API int wolfSSL_SHA384_Init(WOLFSSL_SHA384_CTX*);
WOLFSSL_API int wolfSSL_SHA384_Update(WOLFSSL_SHA384_CTX*, const void*,
unsigned long);
WOLFSSL_API int wolfSSL_SHA384_Final(unsigned char*, WOLFSSL_SHA384_CTX*);
enum {
SHA384_DIGEST_LENGTH = 48
};
typedef WOLFSSL_SHA384_CTX SHA384_CTX;
#define SHA384_Init wolfSSL_SHA384_Init
#define SHA384_Update wolfSSL_SHA384_Update
#define SHA384_Final wolfSSL_SHA384_Final
#if defined(NO_OLD_SHA_NAMES) && !defined(HAVE_FIPS) && !defined(HAVE_SELFTEST)
/* SHA384 is only available in non-fips mode because of SHA384 enum in FIPS
* build. */
#define SHA384 wolfSSL_SHA384
#endif
#endif /* WOLFSSL_SHA384 */
#ifdef WOLFSSL_SHA512
typedef struct WOLFSSL_SHA512_CTX {
/* big enough to hold wolfCrypt Sha384, but check on init */
void* holder[(288 + WC_ASYNC_DEV_SIZE) / sizeof(void*)];
} WOLFSSL_SHA512_CTX;
WOLFSSL_API int wolfSSL_SHA512_Init(WOLFSSL_SHA512_CTX*);
WOLFSSL_API int wolfSSL_SHA512_Update(WOLFSSL_SHA512_CTX*, const void*,
unsigned long);
WOLFSSL_API int wolfSSL_SHA512_Final(unsigned char*, WOLFSSL_SHA512_CTX*);
enum {
SHA512_DIGEST_LENGTH = 64
};
typedef WOLFSSL_SHA512_CTX SHA512_CTX;
#define SHA512_Init wolfSSL_SHA512_Init
#define SHA512_Update wolfSSL_SHA512_Update
#define SHA512_Final wolfSSL_SHA512_Final
#if defined(NO_OLD_SHA_NAMES) && !defined(HAVE_FIPS) && !defined(HAVE_SELFTEST)
/* SHA512 is only available in non-fips mode because of SHA512 enum in FIPS
* build. */
#define SHA512 wolfSSL_SHA512
#endif
#endif /* WOLFSSL_SHA512 */
#ifdef __cplusplus
} /* extern "C" */
#endif
#endif /* WOLFSSL_SHA_H_ */
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