82 lines
2.6 KiB
C
82 lines
2.6 KiB
C
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/*-
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* Copyright (c) 2001-2003 Allan Saddi <allan@saddi.com>
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* Copyright (c) 2012 Moinak Ghosh moinakg <at1> gm0il <dot> com
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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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*
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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 _APS_SHA256_H
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#define _APS_SHA256_H
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#if HAVE_INTTYPES_H
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# include <inttypes.h>
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#else
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# if HAVE_STDINT_H
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# include <stdint.h>
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# endif
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#endif
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#include <utils.h>
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#define SHA256_HASH_SIZE 32
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/* Hash size in 32-bit words */
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#define SHA256_HASH_WORDS 8
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typedef struct _SHA256_Context {
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uint64_t totalLength, blocks;
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uint32_t hash[SHA256_HASH_WORDS];
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uint32_t bufferLength;
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union {
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uint32_t words[16];
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uint8_t bytes[64];
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} buffer;
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} SHA256_Context;
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#ifdef __cplusplus
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extern "C" {
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#endif
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#ifndef APS_NAMESPACE
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#define APS_NAMESPACE(name) opt_##name
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#endif /* !APS_NAMESPACE */
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void APS_NAMESPACE(SHA256_Init) (SHA256_Context *sc);
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void APS_NAMESPACE(SHA256_Update) (SHA256_Context *sc, void *data, size_t len);
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void APS_NAMESPACE(SHA256_Final) (SHA256_Context *sc, uint8_t hash[SHA256_HASH_SIZE]);
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int APS_NAMESPACE(Init_SHA) (processor_info_t *pc);
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/*
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* Intel's optimized SHA256 core routines. These routines are described in an
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* Intel White-Paper:
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* "Fast SHA-256 Implementations on Intel Architecture Processors"
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*/
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extern void sha256_sse4(void *input_data, uint32_t digest[8], uint64_t num_blks);
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extern void sha256_avx(void *input_data, uint32_t digest[8], uint64_t num_blks);
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#ifdef __cplusplus
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}
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#endif
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#endif /* !_APS_SHA256_H */
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