256 lines
7.3 KiB
C
256 lines
7.3 KiB
C
/* sha256.h
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*
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* Copyright (C) 2006-2019 wolfSSL Inc.
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*
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* This file is part of wolfSSL.
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*
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* wolfSSL is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* wolfSSL is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1335, USA
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*/
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/*!
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\file wolfssl/wolfcrypt/sha256.h
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*/
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#ifndef WOLF_CRYPT_SHA256_H
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#define WOLF_CRYPT_SHA256_H
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#include <wolfssl/wolfcrypt/types.h>
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#ifndef NO_SHA256
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#if defined(HAVE_FIPS) && \
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defined(HAVE_FIPS_VERSION) && (HAVE_FIPS_VERSION >= 2)
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#include <wolfssl/wolfcrypt/fips.h>
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#endif /* HAVE_FIPS_VERSION >= 2 */
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#if defined(HAVE_FIPS) && \
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(!defined(HAVE_FIPS_VERSION) || (HAVE_FIPS_VERSION < 2))
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#define wc_Sha256 Sha256
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#define WC_SHA256 SHA256
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#define WC_SHA256_BLOCK_SIZE SHA256_BLOCK_SIZE
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#define WC_SHA256_DIGEST_SIZE SHA256_DIGEST_SIZE
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#define WC_SHA256_PAD_SIZE SHA256_PAD_SIZE
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#ifdef WOLFSSL_SHA224
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#define wc_Sha224 Sha224
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#define WC_SHA224 SHA224
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#define WC_SHA224_BLOCK_SIZE SHA224_BLOCK_SIZE
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#define WC_SHA224_DIGEST_SIZE SHA224_DIGEST_SIZE
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#define WC_SHA224_PAD_SIZE SHA224_PAD_SIZE
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#endif
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/* for fips @wc_fips */
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#include <cyassl/ctaocrypt/sha256.h>
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#endif
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#ifdef FREESCALE_LTC_SHA
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#include "fsl_ltc.h"
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#endif
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* avoid redefinition of structs */
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#if !defined(HAVE_FIPS) || \
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(defined(HAVE_FIPS_VERSION) && (HAVE_FIPS_VERSION >= 2))
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#ifdef WOLFSSL_MICROCHIP_PIC32MZ
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#include <wolfssl/wolfcrypt/port/pic32/pic32mz-crypt.h>
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#endif
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#ifdef STM32_HASH
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#include <wolfssl/wolfcrypt/port/st/stm32.h>
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#endif
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#ifdef WOLFSSL_ASYNC_CRYPT
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#include <wolfssl/wolfcrypt/async.h>
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#endif
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#if defined(WOLFSSL_DEVCRYPTO) && defined(WOLFSSL_DEVCRYPTO_HASH)
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#include <wolfssl/wolfcrypt/port/devcrypto/wc_devcrypto.h>
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#endif
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#if defined(WOLFSSL_ESP32WROOM32_CRYPT)
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#include "wolfssl/wolfcrypt/port/Espressif/esp32-crypt.h"
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#endif
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#if defined(WOLFSSL_CRYPTOCELL)
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#include <wolfssl/wolfcrypt/port/arm/cryptoCell.h>
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#endif
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#if defined(_MSC_VER)
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#define SHA256_NOINLINE __declspec(noinline)
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#elif defined(__IAR_SYSTEMS_ICC__) || defined(__GNUC__)
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#define SHA256_NOINLINE __attribute__((noinline))
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#else
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#define SHA256_NOINLINE
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#endif
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#if !defined(NO_OLD_SHA_NAMES)
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#define SHA256 WC_SHA256
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#endif
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#ifndef NO_OLD_WC_NAMES
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#define Sha256 wc_Sha256
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#define SHA256_BLOCK_SIZE WC_SHA256_BLOCK_SIZE
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#define SHA256_DIGEST_SIZE WC_SHA256_DIGEST_SIZE
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#define SHA256_PAD_SIZE WC_SHA256_PAD_SIZE
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#endif
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/* in bytes */
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enum {
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WC_SHA256 = WC_HASH_TYPE_SHA256,
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WC_SHA256_BLOCK_SIZE = 64,
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WC_SHA256_DIGEST_SIZE = 32,
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WC_SHA256_PAD_SIZE = 56
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};
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#ifdef WOLFSSL_TI_HASH
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#include "wolfssl/wolfcrypt/port/ti/ti-hash.h"
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#elif defined(WOLFSSL_IMX6_CAAM)
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#include "wolfssl/wolfcrypt/port/caam/wolfcaam_sha.h"
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#elif defined(WOLFSSL_AFALG_HASH)
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#include "wolfssl/wolfcrypt/port/af_alg/afalg_hash.h"
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#elif defined(WOLFSSL_RENESAS_TSIP_CRYPT) && \
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!defined(NO_WOLFSSL_RENESAS_TSIP_CRYPT_HASH)
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#include "wolfssl/wolfcrypt/port/Renesas/renesas-tsip-crypt.h"
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#else
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/* wc_Sha256 digest */
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struct wc_Sha256 {
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#ifdef FREESCALE_LTC_SHA
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ltc_hash_ctx_t ctx;
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#elif defined(STM32_HASH_SHA2)
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STM32_HASH_Context stmCtx;
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#else
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/* alignment on digest and buffer speeds up ARMv8 crypto operations */
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ALIGN16 word32 digest[WC_SHA256_DIGEST_SIZE / sizeof(word32)];
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ALIGN16 word32 buffer[WC_SHA256_BLOCK_SIZE / sizeof(word32)];
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word32 buffLen; /* in bytes */
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word32 loLen; /* length in bytes */
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word32 hiLen; /* length in bytes */
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void* heap;
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#ifdef WOLFSSL_PIC32MZ_HASH
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hashUpdCache cache; /* cache for updates */
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#endif
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#ifdef WOLFSSL_ASYNC_CRYPT
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WC_ASYNC_DEV asyncDev;
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#endif /* WOLFSSL_ASYNC_CRYPT */
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#ifdef WOLFSSL_SMALL_STACK_CACHE
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word32* W;
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#endif
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#ifdef WOLFSSL_DEVCRYPTO_HASH
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WC_CRYPTODEV ctx;
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byte* msg;
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word32 used;
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word32 len;
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#endif
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#if defined(WOLFSSL_ESP32WROOM32_CRYPT) && \
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!defined(NO_WOLFSSL_ESP32WROOM32_CRYPT_HASH)
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WC_ESP32SHA ctx;
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#endif
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#ifdef WOLFSSL_CRYPTOCELL
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CRYS_HASHUserContext_t ctx;
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#endif
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#ifdef WOLF_CRYPTO_CB
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int devId;
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void* devCtx; /* generic crypto callback context */
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#endif
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#endif
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#if defined(WOLFSSL_HASH_FLAGS) || defined(WOLF_CRYPTO_CB)
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word32 flags; /* enum wc_HashFlags in hash.h */
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#endif
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};
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#ifndef WC_SHA256_TYPE_DEFINED
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typedef struct wc_Sha256 wc_Sha256;
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#define WC_SHA256_TYPE_DEFINED
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#endif
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#endif
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#endif /* HAVE_FIPS */
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WOLFSSL_API int wc_InitSha256(wc_Sha256*);
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WOLFSSL_API int wc_InitSha256_ex(wc_Sha256*, void*, int);
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WOLFSSL_API int wc_Sha256Update(wc_Sha256*, const byte*, word32);
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WOLFSSL_API int wc_Sha256FinalRaw(wc_Sha256*, byte*);
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WOLFSSL_API int wc_Sha256Final(wc_Sha256*, byte*);
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WOLFSSL_API void wc_Sha256Free(wc_Sha256*);
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WOLFSSL_API int wc_Sha256GetHash(wc_Sha256*, byte*);
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WOLFSSL_API int wc_Sha256Copy(wc_Sha256* src, wc_Sha256* dst);
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#ifdef WOLFSSL_PIC32MZ_HASH
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WOLFSSL_API void wc_Sha256SizeSet(wc_Sha256*, word32);
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#endif
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#if defined(WOLFSSL_HASH_FLAGS) || defined(WOLF_CRYPTO_CB)
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WOLFSSL_API int wc_Sha256SetFlags(wc_Sha256* sha256, word32 flags);
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WOLFSSL_API int wc_Sha256GetFlags(wc_Sha256* sha256, word32* flags);
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#endif
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#ifdef WOLFSSL_SHA224
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/* avoid redefinition of structs */
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#if !defined(HAVE_FIPS) || \
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(defined(HAVE_FIPS_VERSION) && (HAVE_FIPS_VERSION >= 2))
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#ifndef NO_OLD_WC_NAMES
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#define Sha224 wc_Sha224
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#define SHA224 WC_SHA224
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#define SHA224_BLOCK_SIZE WC_SHA224_BLOCK_SIZE
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#define SHA224_DIGEST_SIZE WC_SHA224_DIGEST_SIZE
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#define SHA224_PAD_SIZE WC_SHA224_PAD_SIZE
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#endif
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/* in bytes */
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enum {
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WC_SHA224 = WC_HASH_TYPE_SHA224,
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WC_SHA224_BLOCK_SIZE = WC_SHA256_BLOCK_SIZE,
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WC_SHA224_DIGEST_SIZE = 28,
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WC_SHA224_PAD_SIZE = WC_SHA256_PAD_SIZE
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};
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#ifndef WC_SHA224_TYPE_DEFINED
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typedef struct wc_Sha256 wc_Sha224;
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#define WC_SHA224_TYPE_DEFINED
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#endif
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#endif /* HAVE_FIPS */
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WOLFSSL_API int wc_InitSha224(wc_Sha224*);
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WOLFSSL_API int wc_InitSha224_ex(wc_Sha224*, void*, int);
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WOLFSSL_API int wc_Sha224Update(wc_Sha224*, const byte*, word32);
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WOLFSSL_API int wc_Sha224Final(wc_Sha224*, byte*);
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WOLFSSL_API void wc_Sha224Free(wc_Sha224*);
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WOLFSSL_API int wc_Sha224GetHash(wc_Sha224*, byte*);
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WOLFSSL_API int wc_Sha224Copy(wc_Sha224* src, wc_Sha224* dst);
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#if defined(WOLFSSL_HASH_FLAGS) || defined(WOLF_CRYPTO_CB)
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WOLFSSL_API int wc_Sha224SetFlags(wc_Sha224* sha224, word32 flags);
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WOLFSSL_API int wc_Sha224GetFlags(wc_Sha224* sha224, word32* flags);
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#endif
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#endif /* WOLFSSL_SHA224 */
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#ifdef __cplusplus
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} /* extern "C" */
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#endif
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#endif /* NO_SHA256 */
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#endif /* WOLF_CRYPT_SHA256_H */
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