129 lines
4.8 KiB
C
129 lines
4.8 KiB
C
/*
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* This file is a part of Pcompress, a chunked parallel multi-
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* algorithm lossless compression and decompression program.
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*
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* Copyright (C) 2012-2013 Moinak Ghosh. All rights reserved.
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* Use is subject to license terms.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 3 of the License, or (at your option) any later version.
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*
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* This program 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 GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this program.
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* If not, see <http://www.gnu.org/licenses/>.
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*
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* moinakg@belenix.org, http://moinakg.wordpress.com/
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*
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*/
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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_SHA512_H
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#define _APS_SHA512_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 SHA512_HASH_SIZE 64
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#define SHA512t256_HASH_SIZE 32
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#define SHA512_BLOCK_SIZE 128L
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/* Hash size in 64-bit words */
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#define SHA512_HASH_WORDS 8
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#define SHA512t256_HASH_WORDS 4
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typedef struct _SHA512_Context {
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uint64_t totalLength[2], blocks;
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uint64_t hash[SHA512_HASH_WORDS];
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uint32_t bufferLength;
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union {
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uint64_t words[SHA512_BLOCK_SIZE/8];
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uint8_t bytes[SHA512_BLOCK_SIZE];
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} buffer;
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} SHA512_Context;
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typedef struct {
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SHA512_Context outer;
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SHA512_Context inner;
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} HMAC_SHA512_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(SHA512_Init) (SHA512_Context *sc);
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void APS_NAMESPACE(SHA512_Update) (SHA512_Context *sc, const void *data, size_t len);
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void APS_NAMESPACE(SHA512_Final) (SHA512_Context *sc, uint8_t hash[SHA512_HASH_SIZE]);
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int APS_NAMESPACE(Init_SHA512) (processor_info_t *pc);
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/* As are SHA-512/256 and SHA-512/224 */
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#define SHA512t256_Context SHA512_Context
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void APS_NAMESPACE(SHA512t256_Init) (SHA512_Context *sc);
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void APS_NAMESPACE(SHA512t256_Update) (SHA512_Context *sc, const void *data, size_t len);
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void APS_NAMESPACE(SHA512t256_Final) (SHA512_Context *sc, uint8_t hash[SHA512t256_HASH_SIZE]);
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void APS_NAMESPACE(HMAC_SHA512_Init) (HMAC_SHA512_Context *ctxt, const void *key, size_t keyLen);
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void APS_NAMESPACE(HMAC_SHA512_Update) (HMAC_SHA512_Context *ctxt, const void *data, size_t len);
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void APS_NAMESPACE(HMAC_SHA512_Final) (HMAC_SHA512_Context *ctxt, uint8_t hmac[SHA512_HASH_SIZE]);
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void APS_NAMESPACE(HMAC_SHA512t256_Init) (HMAC_SHA512_Context *ctxt, const void *key, size_t keyLen);
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void APS_NAMESPACE(HMAC_SHA512t256_Update) (HMAC_SHA512_Context *ctxt, const void *data, size_t len);
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void APS_NAMESPACE(HMAC_SHA512t256_Final) (HMAC_SHA512_Context *ctxt, uint8_t hmac[SHA512t256_HASH_SIZE]);
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/*
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* Intel's optimized SHA512 core routines. These routines are described in an
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* Intel White-Paper:
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* "Fast SHA-512 Implementations on Intel Architecture Processors"
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* Note: Works on AMD Bulldozer and later as well.
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*/
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extern void sha512_sse4(const void *input_data, void *digest, uint64_t num_blks);
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extern void sha512_avx(const void *input_data, void *digest, 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_SHA512_H */
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