Files
2018-07-09 19:45:07 +08:00

135 lines
3.0 KiB
C

/* sha.h
*
* Copyright (C) 2006-2018 wolfSSL Inc. All rights reserved.
*
* This file is part of wolfSSL.
*
* Contact licensing@wolfssl.com with any questions or comments.
*
* http://www.wolfssl.com
*/
/*!
\file wolfssl/wolfcrypt/sha.h
*/
#ifndef WOLF_CRYPT_SHA_H
#define WOLF_CRYPT_SHA_H
#include <wolfssl/wolfcrypt/types.h>
#ifndef NO_SHA
#ifdef HAVE_FIPS
#define wc_Sha Sha
#define WC_SHA SHA
#define WC_SHA_BLOCK_SIZE SHA_BLOCK_SIZE
#define WC_SHA_DIGEST_SIZE SHA_DIGEST_SIZE
#define WC_SHA_PAD_SIZE SHA_PAD_SIZE
/* for fips @wc_fips */
#include <cyassl/ctaocrypt/sha.h>
#endif
#ifdef FREESCALE_LTC_SHA
#include "fsl_ltc.h"
#endif
#ifdef __cplusplus
extern "C" {
#endif
#ifndef HAVE_FIPS /* avoid redefining structs */
#ifdef WOLFSSL_MICROCHIP_PIC32MZ
#include <wolfssl/wolfcrypt/port/pic32/pic32mz-crypt.h>
#endif
#ifdef STM32_HASH
#include <wolfssl/wolfcrypt/port/st/stm32.h>
#endif
#ifdef WOLFSSL_ASYNC_CRYPT
#include <wolfssl/wolfcrypt/async.h>
#endif
#if !defined(NO_OLD_SHA_NAMES)
#define SHA WC_SHA
#endif
#ifndef NO_OLD_WC_NAMES
#define Sha wc_Sha
#define SHA_BLOCK_SIZE WC_SHA_BLOCK_SIZE
#define SHA_DIGEST_SIZE WC_SHA_DIGEST_SIZE
#define SHA_PAD_SIZE WC_SHA_PAD_SIZE
#endif
/* in bytes */
enum {
WC_SHA = WC_HASH_TYPE_SHA,
WC_SHA_BLOCK_SIZE = 64,
WC_SHA_DIGEST_SIZE = 20,
WC_SHA_PAD_SIZE = 56
};
#if defined(WOLFSSL_TI_HASH)
#include "wolfssl/wolfcrypt/port/ti/ti-hash.h"
#elif defined(WOLFSSL_IMX6_CAAM)
#include "wolfssl/wolfcrypt/port/caam/wolfcaam_sha.h"
#else
/* Sha digest */
typedef struct wc_Sha {
#ifdef FREESCALE_LTC_SHA
ltc_hash_ctx_t ctx;
#elif defined(STM32_HASH)
STM32_HASH_Context stmCtx;
#else
word32 buffLen; /* in bytes */
word32 loLen; /* length in bytes */
word32 hiLen; /* length in bytes */
word32 buffer[WC_SHA_BLOCK_SIZE / sizeof(word32)];
#ifdef WOLFSSL_PIC32MZ_HASH
word32 digest[PIC32_DIGEST_SIZE / sizeof(word32)];
#else
word32 digest[WC_SHA_DIGEST_SIZE / sizeof(word32)];
#endif
void* heap;
#ifdef WOLFSSL_PIC32MZ_HASH
hashUpdCache cache; /* cache for updates */
#endif
#ifdef WOLFSSL_ASYNC_CRYPT
WC_ASYNC_DEV asyncDev;
#endif /* WOLFSSL_ASYNC_CRYPT */
#endif
} wc_Sha;
#endif /* WOLFSSL_TI_HASH */
#endif /* HAVE_FIPS */
WOLFSSL_API int wc_InitSha(wc_Sha*);
WOLFSSL_API int wc_InitSha_ex(wc_Sha* sha, void* heap, int devId);
WOLFSSL_API int wc_ShaUpdate(wc_Sha*, const byte*, word32);
WOLFSSL_API int wc_ShaFinalRaw(wc_Sha*, byte*);
WOLFSSL_API int wc_ShaFinal(wc_Sha*, byte*);
WOLFSSL_API void wc_ShaFree(wc_Sha*);
WOLFSSL_API int wc_ShaGetHash(wc_Sha*, byte*);
WOLFSSL_API int wc_ShaCopy(wc_Sha*, wc_Sha*);
#ifdef WOLFSSL_PIC32MZ_HASH
WOLFSSL_API void wc_ShaSizeSet(wc_Sha* sha, word32 len);
#endif
#ifdef __cplusplus
} /* extern "C" */
#endif
#endif /* NO_SHA */
#endif /* WOLF_CRYPT_SHA_H */