61 lines
2.1 KiB
C
61 lines
2.1 KiB
C
/* libsodium: crypto_hash_sha256.h, v0.4.5 2014/04/16 */
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/**
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* Copyright 2005,2007,2009 Colin Percival. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#ifndef LIBBITCOIN_SHA256_H
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#define LIBBITCOIN_SHA256_H
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#include <stdint.h>
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#include <stddef.h>
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#define SHA256_STATE_LENGTH 8U
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#define SHA256_COUNT_LENGTH 2U
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#define SHA256_BLOCK_LENGTH 64U
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#define SHA256_DIGEST_LENGTH 32U
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#ifdef __cplusplus
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extern "C"
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{
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#endif
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typedef struct SHA256CTX
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{
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uint32_t state[SHA256_STATE_LENGTH];
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uint32_t count[SHA256_COUNT_LENGTH];
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uint8_t buf[SHA256_BLOCK_LENGTH];
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} SHA256CTX;
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void SHA256_(const uint8_t* input, size_t length,
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uint8_t digest[SHA256_DIGEST_LENGTH]);
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void SHA256Init(SHA256CTX* context);
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void SHA256Update(SHA256CTX* context, const uint8_t* input, size_t length);
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void SHA256Final(SHA256CTX* context, uint8_t digest[SHA256_DIGEST_LENGTH]);
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#ifdef __cplusplus
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}
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#endif
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#endif
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