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/*
* Copyright (C) 2006-2009 Vincent Hanquez <vincent@snarc.org>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef CRYPTOHASH_SHA256_H
#define CRYPTOHASH_SHA256_H
#include <stdint.h>
#define SHA256_BLOCK_SIZE 64
struct sha256_ctx
{
uint64_t sz;
uint8_t buf[128];
uint32_t h[8];
};
#define sha224_ctx sha256_ctx
#define SHA224_DIGEST_SIZE 28
#define SHA224_CTX_SIZE sizeof(struct sha224_ctx)
#define SHA256_DIGEST_SIZE 32
#define SHA256_CTX_SIZE sizeof(struct sha256_ctx)
void cryptonite_sha224_init(struct sha224_ctx *ctx);
void cryptonite_sha224_update(struct sha224_ctx *ctx, const uint8_t *data, uint32_t len);
void cryptonite_sha224_finalize(struct sha224_ctx *ctx, uint8_t *out);
void cryptonite_sha256_init(struct sha256_ctx *ctx);
void cryptonite_sha256_update(struct sha256_ctx *ctx, const uint8_t *data, uint32_t len);
void cryptonite_sha256_finalize(struct sha256_ctx *ctx, uint8_t *out);
#endif
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