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101 lines
2.8 KiB
C
101 lines
2.8 KiB
C
/* $Id: sph_jh.h 216 2010-06-08 09:46:57Z tp $ */
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/**
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* JH interface. JH is a family of functions which differ by
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* their output size; this implementation defines JH for output
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* sizes 224, 256, 384 and 512 bits.
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*
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* ==========================(LICENSE BEGIN)============================
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*
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* Copyright (c) 2007-2010 Projet RNRT SAPHIR
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sublicense, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice shall be
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* included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
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* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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* ===========================(LICENSE END)=============================
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*
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* @file sph_jh.h
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* @author Thomas Pornin <thomas.pornin@cryptolog.com>
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*/
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#ifndef JH_HASH_4WAY_H__
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#define JH_HASH_4WAY_H__
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#ifdef __AVX2__
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#ifdef __cplusplus
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extern "C"{
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#endif
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#include <stddef.h>
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#include "algo/sha/sph_types.h"
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#include "simd-utils.h"
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#define SPH_SIZE_jh256 256
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#define SPH_SIZE_jh512 512
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/**
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* This structure is a context for JH computations: it contains the
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* intermediate values and some data from the last entered block. Once
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* a JH computation has been performed, the context can be reused for
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* another computation.
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*
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* The contents of this structure are private. A running JH computation
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* can be cloned by copying the context (e.g. with a simple
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* <code>memcpy()</code>).
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*/
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typedef struct {
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__m256i buf[8] __attribute__ ((aligned (64)));
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__m256i H[16];
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size_t ptr;
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uint64_t block_count;
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/*
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unsigned char buf[64];
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size_t ptr;
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union {
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sph_u64 wide[16];
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} H;
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sph_u64 block_count;
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*/
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} jh_4way_context;
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typedef jh_4way_context jh256_4way_context;
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typedef jh_4way_context jh512_4way_context;
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void jh256_4way_init( jh_4way_context *sc);
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void jh256_4way(void *cc, const void *data, size_t len);
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void jh256_4way_close(void *cc, void *dst);
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void jh512_4way_init( jh_4way_context *sc );
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void jh512_4way(void *cc, const void *data, size_t len);
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void jh512_4way_close(void *cc, void *dst);
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#ifdef __cplusplus
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}
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#endif
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#endif
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#endif
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