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59 lines
2.1 KiB
C
59 lines
2.1 KiB
C
/*
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* luffa_for_sse2.h
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* Version 2.0 (Sep 15th 2009)
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*
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* Copyright (C) 2008-2009 Hitachi, Ltd. All rights reserved.
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*
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* Hitachi, Ltd. is the owner of this software and hereby grant
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* the U.S. Government and any interested party the right to use
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* this software for the purposes of the SHA-3 evaluation process,
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* notwithstanding that this software is copyrighted.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#include <emmintrin.h>
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#include "algo/sha3/sha3-defs.h"
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/* The length of digests*/
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#define DIGEST_BIT_LEN_224 224
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#define DIGEST_BIT_LEN_256 256
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#define DIGEST_BIT_LEN_384 384
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#define DIGEST_BIT_LEN_512 512
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/*********************************/
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/* The parameters of Luffa */
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#define MSG_BLOCK_BIT_LEN 256 /*The bit length of a message block*/
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#define MSG_BLOCK_BYTE_LEN (MSG_BLOCK_BIT_LEN >> 3) /* The byte length
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* of a message block*/
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/* The number of blocks in Luffa */
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#define WIDTH_224 3
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#define WIDTH_256 3
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#define WIDTH_384 4
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#define WIDTH_512 5
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/* The limit of the length of message */
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#define LIMIT_224 64
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#define LIMIT_256 64
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#define LIMIT_384 128
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#define LIMIT_512 128
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/*********************************/
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typedef struct {
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uint32 buffer[8]; /* Buffer to be hashed */
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__m128i chainv[10]; /* Chaining values */
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uint64 bitlen[2]; /* Message length in bits */
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uint32 rembitlen; /* Length of buffer data to be hashed */
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int hashbitlen;
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} hashState_luffa;
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HashReturn init_luffa(hashState_luffa *state, int hashbitlen);
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HashReturn update_luffa(hashState_luffa *state, const BitSequence *data, DataLength databitlen);
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HashReturn final_luffa(hashState_luffa *state, BitSequence *hashval);
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