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/*
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* FIPS 180-2 SHA-224/256/384/512 implementation
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* Last update: 02/02/2007
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* Issue date: 04/30/2005
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*
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* Copyright (C) 2013, Con Kolivas <kernel@kolivas.org>
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* Copyright (C) 2005, 2007 Olivier Gay <olivier.gay@a3.epfl.ch>
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* 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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* 3. Neither the name of the project nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE PROJECT 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 PROJECT 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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#include "config.h"
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#include "miner.h"
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#ifndef SHA2_H
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#define SHA2_H
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#define SHA256_DIGEST_SIZE ( 256 / 8)
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#define SHA256_BLOCK_SIZE ( 512 / 8)
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typedef struct {
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unsigned int tot_len;
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unsigned int len;
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unsigned char block[2 * SHA256_BLOCK_SIZE];
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uint32_t h[8];
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} sha256_ctx;
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void sha256_init(sha256_ctx * ctx);
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void sha256_update(sha256_ctx *ctx, const unsigned char *message,
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unsigned int len);
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void sha256_final(sha256_ctx *ctx, unsigned char *digest);
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void sha256(const unsigned char *message, unsigned int len,
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unsigned char *digest);
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#endif /* !SHA2_H */
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