114 lines
2.8 KiB
C
114 lines
2.8 KiB
C
/* sha256.h
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*
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* Copyright (C) 2006-2016 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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/* code submitted by raphael.huck@efixo.com */
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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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#ifdef HAVE_FIPS
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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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#ifndef HAVE_FIPS /* avoid redefinition of structs */
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#ifdef WOLFSSL_PIC32MZ_HASH
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#include "port/pic32/pic32mz-crypt.h"
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#endif
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/* in bytes */
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enum {
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SHA256 = 2, /* hash type unique */
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SHA256_BLOCK_SIZE = 64,
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SHA256_DIGEST_SIZE = 32,
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SHA256_PAD_SIZE = 56
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};
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#ifndef WOLFSSL_TI_HASH
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/* Sha256 digest */
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typedef struct Sha256 {
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#ifdef FREESCALE_LTC_SHA
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ltc_hash_ctx_t ctx;
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#else
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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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ALIGN16 word32 digest[SHA256_DIGEST_SIZE / sizeof(word32)];
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ALIGN16 word32 buffer[SHA256_BLOCK_SIZE / sizeof(word32)];
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#ifdef WOLFSSL_PIC32MZ_HASH
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pic32mz_desc desc ; /* Crypt Engine descriptor */
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#endif
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#endif /* FREESCALE_LTC_SHA */
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} Sha256;
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#else /* WOLFSSL_TI_HASH */
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#include "wolfssl/wolfcrypt/port/ti/ti-hash.h"
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#endif
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#endif /* HAVE_FIPS */
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WOLFSSL_API int wc_InitSha256(Sha256*);
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WOLFSSL_API int wc_Sha256Update(Sha256*, const byte*, word32);
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WOLFSSL_API int wc_Sha256Final(Sha256*, byte*);
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#ifdef WOLFSSL_SHA224
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#ifndef HAVE_FIPS /* avoid redefinition of structs */
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/* in bytes */
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enum {
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SHA224 = 8, /* hash type unique */
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SHA224_BLOCK_SIZE = SHA256_BLOCK_SIZE,
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SHA224_DIGEST_SIZE = 28,
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SHA224_PAD_SIZE = SHA256_PAD_SIZE
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};
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typedef Sha256 Sha224;
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#endif /* HAVE_FIPS */
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WOLFSSL_API int wc_InitSha224(Sha224*);
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WOLFSSL_API int wc_Sha224Update(Sha224*, const byte*, word32);
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WOLFSSL_API int wc_Sha224Final(Sha224*, byte*);
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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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