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1245 lines
26 KiB
1245 lines
26 KiB
![]()
11 years ago
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/* $Id: skein.c 254 2011-06-07 19:38:58Z tp $ */
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/*
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* Skein implementation.
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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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* @author Thomas Pornin <thomas.pornin@cryptolog.com>
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*/
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#include <stddef.h>
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#include <string.h>
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#include "sph_skein.h"
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#if SPH_SMALL_FOOTPRINT && !defined SPH_SMALL_FOOTPRINT_SKEIN
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#define SPH_SMALL_FOOTPRINT_SKEIN 1
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#endif
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#ifdef _MSC_VER
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#pragma warning (disable: 4146)
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#endif
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#if SPH_64
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#if 0
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/* obsolete */
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/*
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* M5_ ## s ## _ ## i evaluates to s+i mod 5 (0 <= s <= 18, 0 <= i <= 3).
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*/
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#define M5_0_0 0
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#define M5_0_1 1
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#define M5_0_2 2
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#define M5_0_3 3
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#define M5_1_0 1
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#define M5_1_1 2
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#define M5_1_2 3
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#define M5_1_3 4
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#define M5_2_0 2
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#define M5_2_1 3
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#define M5_2_2 4
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#define M5_2_3 0
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#define M5_3_0 3
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#define M5_3_1 4
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#define M5_3_2 0
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#define M5_3_3 1
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#define M5_4_0 4
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#define M5_4_1 0
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#define M5_4_2 1
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#define M5_4_3 2
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#define M5_5_0 0
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#define M5_5_1 1
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#define M5_5_2 2
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#define M5_5_3 3
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#define M5_6_0 1
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#define M5_6_1 2
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#define M5_6_2 3
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#define M5_6_3 4
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#define M5_7_0 2
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#define M5_7_1 3
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#define M5_7_2 4
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#define M5_7_3 0
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#define M5_8_0 3
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#define M5_8_1 4
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#define M5_8_2 0
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#define M5_8_3 1
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#define M5_9_0 4
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#define M5_9_1 0
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#define M5_9_2 1
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#define M5_9_3 2
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#define M5_10_0 0
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#define M5_10_1 1
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#define M5_10_2 2
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#define M5_10_3 3
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#define M5_11_0 1
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#define M5_11_1 2
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#define M5_11_2 3
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#define M5_11_3 4
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#define M5_12_0 2
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#define M5_12_1 3
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#define M5_12_2 4
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#define M5_12_3 0
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#define M5_13_0 3
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#define M5_13_1 4
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#define M5_13_2 0
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#define M5_13_3 1
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#define M5_14_0 4
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#define M5_14_1 0
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#define M5_14_2 1
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#define M5_14_3 2
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#define M5_15_0 0
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#define M5_15_1 1
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#define M5_15_2 2
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#define M5_15_3 3
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#define M5_16_0 1
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#define M5_16_1 2
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#define M5_16_2 3
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#define M5_16_3 4
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#define M5_17_0 2
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#define M5_17_1 3
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#define M5_17_2 4
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#define M5_17_3 0
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#define M5_18_0 3
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#define M5_18_1 4
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#define M5_18_2 0
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#define M5_18_3 1
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#endif
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/*
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* M9_ ## s ## _ ## i evaluates to s+i mod 9 (0 <= s <= 18, 0 <= i <= 7).
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*/
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#define M9_0_0 0
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#define M9_0_1 1
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#define M9_0_2 2
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#define M9_0_3 3
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#define M9_0_4 4
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#define M9_0_5 5
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#define M9_0_6 6
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#define M9_0_7 7
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#define M9_1_0 1
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#define M9_1_1 2
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#define M9_1_2 3
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#define M9_1_3 4
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#define M9_1_4 5
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#define M9_1_5 6
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#define M9_1_6 7
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#define M9_1_7 8
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#define M9_2_0 2
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#define M9_2_1 3
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#define M9_2_2 4
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#define M9_2_3 5
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#define M9_2_4 6
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#define M9_2_5 7
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#define M9_2_6 8
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#define M9_2_7 0
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#define M9_3_0 3
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#define M9_3_1 4
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#define M9_3_2 5
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#define M9_3_3 6
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#define M9_3_4 7
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#define M9_3_5 8
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#define M9_3_6 0
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#define M9_3_7 1
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#define M9_4_0 4
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#define M9_4_1 5
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#define M9_4_2 6
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#define M9_4_3 7
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#define M9_4_4 8
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#define M9_4_5 0
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#define M9_4_6 1
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#define M9_4_7 2
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#define M9_5_0 5
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#define M9_5_1 6
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#define M9_5_2 7
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#define M9_5_3 8
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#define M9_5_4 0
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#define M9_5_5 1
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#define M9_5_6 2
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#define M9_5_7 3
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#define M9_6_0 6
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#define M9_6_1 7
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#define M9_6_2 8
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#define M9_6_3 0
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#define M9_6_4 1
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#define M9_6_5 2
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#define M9_6_6 3
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#define M9_6_7 4
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#define M9_7_0 7
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#define M9_7_1 8
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#define M9_7_2 0
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#define M9_7_3 1
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#define M9_7_4 2
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#define M9_7_5 3
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#define M9_7_6 4
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#define M9_7_7 5
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#define M9_8_0 8
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#define M9_8_1 0
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#define M9_8_2 1
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#define M9_8_3 2
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#define M9_8_4 3
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#define M9_8_5 4
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#define M9_8_6 5
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#define M9_8_7 6
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#define M9_9_0 0
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#define M9_9_1 1
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#define M9_9_2 2
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#define M9_9_3 3
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#define M9_9_4 4
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#define M9_9_5 5
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#define M9_9_6 6
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#define M9_9_7 7
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#define M9_10_0 1
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#define M9_10_1 2
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#define M9_10_2 3
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#define M9_10_3 4
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#define M9_10_4 5
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#define M9_10_5 6
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#define M9_10_6 7
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#define M9_10_7 8
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#define M9_11_0 2
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#define M9_11_1 3
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#define M9_11_2 4
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#define M9_11_3 5
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#define M9_11_4 6
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#define M9_11_5 7
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#define M9_11_6 8
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#define M9_11_7 0
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#define M9_12_0 3
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#define M9_12_1 4
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#define M9_12_2 5
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#define M9_12_3 6
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#define M9_12_4 7
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#define M9_12_5 8
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#define M9_12_6 0
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#define M9_12_7 1
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#define M9_13_0 4
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#define M9_13_1 5
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#define M9_13_2 6
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#define M9_13_3 7
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#define M9_13_4 8
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#define M9_13_5 0
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#define M9_13_6 1
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#define M9_13_7 2
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#define M9_14_0 5
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#define M9_14_1 6
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#define M9_14_2 7
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#define M9_14_3 8
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#define M9_14_4 0
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#define M9_14_5 1
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#define M9_14_6 2
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#define M9_14_7 3
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#define M9_15_0 6
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#define M9_15_1 7
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#define M9_15_2 8
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#define M9_15_3 0
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#define M9_15_4 1
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#define M9_15_5 2
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#define M9_15_6 3
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#define M9_15_7 4
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#define M9_16_0 7
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#define M9_16_1 8
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#define M9_16_2 0
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#define M9_16_3 1
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#define M9_16_4 2
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#define M9_16_5 3
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#define M9_16_6 4
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#define M9_16_7 5
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#define M9_17_0 8
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#define M9_17_1 0
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#define M9_17_2 1
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#define M9_17_3 2
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#define M9_17_4 3
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#define M9_17_5 4
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#define M9_17_6 5
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#define M9_17_7 6
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#define M9_18_0 0
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#define M9_18_1 1
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#define M9_18_2 2
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#define M9_18_3 3
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#define M9_18_4 4
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#define M9_18_5 5
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#define M9_18_6 6
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#define M9_18_7 7
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/*
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* M3_ ## s ## _ ## i evaluates to s+i mod 3 (0 <= s <= 18, 0 <= i <= 1).
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*/
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#define M3_0_0 0
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#define M3_0_1 1
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#define M3_1_0 1
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#define M3_1_1 2
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#define M3_2_0 2
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#define M3_2_1 0
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#define M3_3_0 0
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#define M3_3_1 1
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#define M3_4_0 1
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#define M3_4_1 2
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#define M3_5_0 2
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#define M3_5_1 0
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#define M3_6_0 0
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#define M3_6_1 1
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#define M3_7_0 1
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#define M3_7_1 2
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#define M3_8_0 2
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#define M3_8_1 0
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#define M3_9_0 0
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#define M3_9_1 1
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#define M3_10_0 1
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#define M3_10_1 2
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#define M3_11_0 2
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#define M3_11_1 0
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#define M3_12_0 0
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#define M3_12_1 1
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#define M3_13_0 1
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#define M3_13_1 2
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#define M3_14_0 2
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#define M3_14_1 0
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#define M3_15_0 0
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#define M3_15_1 1
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#define M3_16_0 1
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#define M3_16_1 2
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#define M3_17_0 2
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#define M3_17_1 0
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#define M3_18_0 0
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#define M3_18_1 1
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#define XCAT(x, y) XCAT_(x, y)
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#define XCAT_(x, y) x ## y
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#if 0
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||
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/* obsolete */
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||
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#define SKSI(k, s, i) XCAT(k, XCAT(XCAT(XCAT(M5_, s), _), i))
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#define SKST(t, s, v) XCAT(t, XCAT(XCAT(XCAT(M3_, s), _), v))
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#endif
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#define SKBI(k, s, i) XCAT(k, XCAT(XCAT(XCAT(M9_, s), _), i))
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#define SKBT(t, s, v) XCAT(t, XCAT(XCAT(XCAT(M3_, s), _), v))
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||
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||
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#if 0
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||
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/* obsolete */
|
||
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#define TFSMALL_KINIT(k0, k1, k2, k3, k4, t0, t1, t2) do { \
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||
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k4 = (k0 ^ k1) ^ (k2 ^ k3) ^ SPH_C64(0x1BD11BDAA9FC1A22); \
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||
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t2 = t0 ^ t1; \
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||
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} while (0)
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||
|
#endif
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||
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||
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#define TFBIG_KINIT(k0, k1, k2, k3, k4, k5, k6, k7, k8, t0, t1, t2) do { \
|
||
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k8 = ((k0 ^ k1) ^ (k2 ^ k3)) ^ ((k4 ^ k5) ^ (k6 ^ k7)) \
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||
|
^ SPH_C64(0x1BD11BDAA9FC1A22); \
|
||
|
t2 = t0 ^ t1; \
|
||
|
} while (0)
|
||
|
|
||
|
#if 0
|
||
|
/* obsolete */
|
||
|
#define TFSMALL_ADDKEY(w0, w1, w2, w3, k, t, s) do { \
|
||
|
w0 = SPH_T64(w0 + SKSI(k, s, 0)); \
|
||
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w1 = SPH_T64(w1 + SKSI(k, s, 1) + SKST(t, s, 0)); \
|
||
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w2 = SPH_T64(w2 + SKSI(k, s, 2) + SKST(t, s, 1)); \
|
||
|
w3 = SPH_T64(w3 + SKSI(k, s, 3) + (sph_u64)s); \
|
||
|
} while (0)
|
||
|
#endif
|
||
|
|
||
|
#if SPH_SMALL_FOOTPRINT_SKEIN
|
||
|
|
||
|
#define TFBIG_ADDKEY(s, tt0, tt1) do { \
|
||
|
p0 = SPH_T64(p0 + h[s + 0]); \
|
||
|
p1 = SPH_T64(p1 + h[s + 1]); \
|
||
|
p2 = SPH_T64(p2 + h[s + 2]); \
|
||
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p3 = SPH_T64(p3 + h[s + 3]); \
|
||
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p4 = SPH_T64(p4 + h[s + 4]); \
|
||
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p5 = SPH_T64(p5 + h[s + 5] + tt0); \
|
||
|
p6 = SPH_T64(p6 + h[s + 6] + tt1); \
|
||
|
p7 = SPH_T64(p7 + h[s + 7] + (sph_u64)s); \
|
||
|
} while (0)
|
||
|
|
||
|
#else
|
||
|
|
||
|
#define TFBIG_ADDKEY(w0, w1, w2, w3, w4, w5, w6, w7, k, t, s) do { \
|
||
|
w0 = SPH_T64(w0 + SKBI(k, s, 0)); \
|
||
|
w1 = SPH_T64(w1 + SKBI(k, s, 1)); \
|
||
|
w2 = SPH_T64(w2 + SKBI(k, s, 2)); \
|
||
|
w3 = SPH_T64(w3 + SKBI(k, s, 3)); \
|
||
|
w4 = SPH_T64(w4 + SKBI(k, s, 4)); \
|
||
|
w5 = SPH_T64(w5 + SKBI(k, s, 5) + SKBT(t, s, 0)); \
|
||
|
w6 = SPH_T64(w6 + SKBI(k, s, 6) + SKBT(t, s, 1)); \
|
||
|
w7 = SPH_T64(w7 + SKBI(k, s, 7) + (sph_u64)s); \
|
||
|
} while (0)
|
||
|
|
||
|
#endif
|
||
|
|
||
|
#if 0
|
||
|
/* obsolete */
|
||
|
#define TFSMALL_MIX(x0, x1, rc) do { \
|
||
|
x0 = SPH_T64(x0 + x1); \
|
||
|
x1 = SPH_ROTL64(x1, rc) ^ x0; \
|
||
|
} while (0)
|
||
|
#endif
|
||
|
|
||
|
#define TFBIG_MIX(x0, x1, rc) do { \
|
||
|
x0 = SPH_T64(x0 + x1); \
|
||
|
x1 = SPH_ROTL64(x1, rc) ^ x0; \
|
||
|
} while (0)
|
||
|
|
||
|
#if 0
|
||
|
/* obsolete */
|
||
|
#define TFSMALL_MIX4(w0, w1, w2, w3, rc0, rc1) do { \
|
||
|
TFSMALL_MIX(w0, w1, rc0); \
|
||
|
TFSMALL_MIX(w2, w3, rc1); \
|
||
|
} while (0)
|
||
|
#endif
|
||
|
|
||
|
#define TFBIG_MIX8(w0, w1, w2, w3, w4, w5, w6, w7, rc0, rc1, rc2, rc3) do { \
|
||
|
TFBIG_MIX(w0, w1, rc0); \
|
||
|
TFBIG_MIX(w2, w3, rc1); \
|
||
|
TFBIG_MIX(w4, w5, rc2); \
|
||
|
TFBIG_MIX(w6, w7, rc3); \
|
||
|
} while (0)
|
||
|
|
||
|
#if 0
|
||
|
/* obsolete */
|
||
|
#define TFSMALL_4e(s) do { \
|
||
|
TFSMALL_ADDKEY(p0, p1, p2, p3, h, t, s); \
|
||
|
TFSMALL_MIX4(p0, p1, p2, p3, 14, 16); \
|
||
|
TFSMALL_MIX4(p0, p3, p2, p1, 52, 57); \
|
||
|
TFSMALL_MIX4(p0, p1, p2, p3, 23, 40); \
|
||
|
TFSMALL_MIX4(p0, p3, p2, p1, 5, 37); \
|
||
|
} while (0)
|
||
|
|
||
|
#define TFSMALL_4o(s) do { \
|
||
|
TFSMALL_ADDKEY(p0, p1, p2, p3, h, t, s); \
|
||
|
TFSMALL_MIX4(p0, p1, p2, p3, 25, 33); \
|
||
|
TFSMALL_MIX4(p0, p3, p2, p1, 46, 12); \
|
||
|
TFSMALL_MIX4(p0, p1, p2, p3, 58, 22); \
|
||
|
TFSMALL_MIX4(p0, p3, p2, p1, 32, 32); \
|
||
|
} while (0)
|
||
|
#endif
|
||
|
|
||
|
#if SPH_SMALL_FOOTPRINT_SKEIN
|
||
|
|
||
|
#define TFBIG_4e(s) do { \
|
||
|
TFBIG_ADDKEY(s, t0, t1); \
|
||
|
TFBIG_MIX8(p0, p1, p2, p3, p4, p5, p6, p7, 46, 36, 19, 37); \
|
||
|
TFBIG_MIX8(p2, p1, p4, p7, p6, p5, p0, p3, 33, 27, 14, 42); \
|
||
|
TFBIG_MIX8(p4, p1, p6, p3, p0, p5, p2, p7, 17, 49, 36, 39); \
|
||
|
TFBIG_MIX8(p6, p1, p0, p7, p2, p5, p4, p3, 44, 9, 54, 56); \
|
||
|
} while (0)
|
||
|
|
||
|
#define TFBIG_4o(s) do { \
|
||
|
TFBIG_ADDKEY(s, t1, t2); \
|
||
|
TFBIG_MIX8(p0, p1, p2, p3, p4, p5, p6, p7, 39, 30, 34, 24); \
|
||
|
TFBIG_MIX8(p2, p1, p4, p7, p6, p5, p0, p3, 13, 50, 10, 17); \
|
||
|
TFBIG_MIX8(p4, p1, p6, p3, p0, p5, p2, p7, 25, 29, 39, 43); \
|
||
|
TFBIG_MIX8(p6, p1, p0, p7, p2, p5, p4, p3, 8, 35, 56, 22); \
|
||
|
} while (0)
|
||
|
|
||
|
#else
|
||
|
|
||
|
#define TFBIG_4e(s) do { \
|
||
|
TFBIG_ADDKEY(p0, p1, p2, p3, p4, p5, p6, p7, h, t, s); \
|
||
|
TFBIG_MIX8(p0, p1, p2, p3, p4, p5, p6, p7, 46, 36, 19, 37); \
|
||
|
TFBIG_MIX8(p2, p1, p4, p7, p6, p5, p0, p3, 33, 27, 14, 42); \
|
||
|
TFBIG_MIX8(p4, p1, p6, p3, p0, p5, p2, p7, 17, 49, 36, 39); \
|
||
|
TFBIG_MIX8(p6, p1, p0, p7, p2, p5, p4, p3, 44, 9, 54, 56); \
|
||
|
} while (0)
|
||
|
|
||
|
#define TFBIG_4o(s) do { \
|
||
|
TFBIG_ADDKEY(p0, p1, p2, p3, p4, p5, p6, p7, h, t, s); \
|
||
|
TFBIG_MIX8(p0, p1, p2, p3, p4, p5, p6, p7, 39, 30, 34, 24); \
|
||
|
TFBIG_MIX8(p2, p1, p4, p7, p6, p5, p0, p3, 13, 50, 10, 17); \
|
||
|
TFBIG_MIX8(p4, p1, p6, p3, p0, p5, p2, p7, 25, 29, 39, 43); \
|
||
|
TFBIG_MIX8(p6, p1, p0, p7, p2, p5, p4, p3, 8, 35, 56, 22); \
|
||
|
} while (0)
|
||
|
|
||
|
#endif
|
||
|
|
||
|
#if 0
|
||
|
/* obsolete */
|
||
|
#define UBI_SMALL(etype, extra) do { \
|
||
|
sph_u64 h4, t0, t1, t2; \
|
||
|
sph_u64 m0 = sph_dec64le(buf + 0); \
|
||
|
sph_u64 m1 = sph_dec64le(buf + 8); \
|
||
|
sph_u64 m2 = sph_dec64le(buf + 16); \
|
||
|
sph_u64 m3 = sph_dec64le(buf + 24); \
|
||
|
sph_u64 p0 = m0; \
|
||
|
sph_u64 p1 = m1; \
|
||
|
sph_u64 p2 = m2; \
|
||
|
sph_u64 p3 = m3; \
|
||
|
t0 = SPH_T64(bcount << 5) + (sph_u64)(extra); \
|
||
|
t1 = (bcount >> 59) + ((sph_u64)(etype) << 55); \
|
||
|
TFSMALL_KINIT(h0, h1, h2, h3, h4, t0, t1, t2); \
|
||
|
TFSMALL_4e(0); \
|
||
|
TFSMALL_4o(1); \
|
||
|
TFSMALL_4e(2); \
|
||
|
TFSMALL_4o(3); \
|
||
|
TFSMALL_4e(4); \
|
||
|
TFSMALL_4o(5); \
|
||
|
TFSMALL_4e(6); \
|
||
|
TFSMALL_4o(7); \
|
||
|
TFSMALL_4e(8); \
|
||
|
TFSMALL_4o(9); \
|
||
|
TFSMALL_4e(10); \
|
||
|
TFSMALL_4o(11); \
|
||
|
TFSMALL_4e(12); \
|
||
|
TFSMALL_4o(13); \
|
||
|
TFSMALL_4e(14); \
|
||
|
TFSMALL_4o(15); \
|
||
|
TFSMALL_4e(16); \
|
||
|
TFSMALL_4o(17); \
|
||
|
TFSMALL_ADDKEY(p0, p1, p2, p3, h, t, 18); \
|
||
|
h0 = m0 ^ p0; \
|
||
|
h1 = m1 ^ p1; \
|
||
|
h2 = m2 ^ p2; \
|
||
|
h3 = m3 ^ p3; \
|
||
|
} while (0)
|
||
|
#endif
|
||
|
|
||
|
#if SPH_SMALL_FOOTPRINT_SKEIN
|
||
|
|
||
|
#define UBI_BIG(etype, extra) do { \
|
||
|
sph_u64 t0, t1, t2; \
|
||
|
unsigned u; \
|
||
|
sph_u64 m0 = sph_dec64le_aligned(buf + 0); \
|
||
|
sph_u64 m1 = sph_dec64le_aligned(buf + 8); \
|
||
|
sph_u64 m2 = sph_dec64le_aligned(buf + 16); \
|
||
|
sph_u64 m3 = sph_dec64le_aligned(buf + 24); \
|
||
|
sph_u64 m4 = sph_dec64le_aligned(buf + 32); \
|
||
|
sph_u64 m5 = sph_dec64le_aligned(buf + 40); \
|
||
|
sph_u64 m6 = sph_dec64le_aligned(buf + 48); \
|
||
|
sph_u64 m7 = sph_dec64le_aligned(buf + 56); \
|
||
|
sph_u64 p0 = m0; \
|
||
|
sph_u64 p1 = m1; \
|
||
|
sph_u64 p2 = m2; \
|
||
|
sph_u64 p3 = m3; \
|
||
|
sph_u64 p4 = m4; \
|
||
|
sph_u64 p5 = m5; \
|
||
|
sph_u64 p6 = m6; \
|
||
|
sph_u64 p7 = m7; \
|
||
|
t0 = SPH_T64(bcount << 6) + (sph_u64)(extra); \
|
||
|
t1 = (bcount >> 58) + ((sph_u64)(etype) << 55); \
|
||
|
TFBIG_KINIT(h[0], h[1], h[2], h[3], h[4], h[5], \
|
||
|
h[6], h[7], h[8], t0, t1, t2); \
|
||
|
for (u = 0; u <= 15; u += 3) { \
|
||
|
h[u + 9] = h[u + 0]; \
|
||
|
h[u + 10] = h[u + 1]; \
|
||
|
h[u + 11] = h[u + 2]; \
|
||
|
} \
|
||
|
for (u = 0; u < 9; u ++) { \
|
||
|
sph_u64 s = u << 1; \
|
||
|
sph_u64 tmp; \
|
||
|
TFBIG_4e(s); \
|
||
|
TFBIG_4o(s + 1); \
|
||
|
tmp = t2; \
|
||
|
t2 = t1; \
|
||
|
t1 = t0; \
|
||
|
t0 = tmp; \
|
||
|
} \
|
||
|
TFBIG_ADDKEY(18, t0, t1); \
|
||
|
h[0] = m0 ^ p0; \
|
||
|
h[1] = m1 ^ p1; \
|
||
|
h[2] = m2 ^ p2; \
|
||
|
h[3] = m3 ^ p3; \
|
||
|
h[4] = m4 ^ p4; \
|
||
|
h[5] = m5 ^ p5; \
|
||
|
h[6] = m6 ^ p6; \
|
||
|
h[7] = m7 ^ p7; \
|
||
|
} while (0)
|
||
|
|
||
|
#else
|
||
|
|
||
|
#define UBI_BIG(etype, extra) do { \
|
||
|
sph_u64 h8, t0, t1, t2; \
|
||
|
sph_u64 m0 = sph_dec64le_aligned(buf + 0); \
|
||
|
sph_u64 m1 = sph_dec64le_aligned(buf + 8); \
|
||
|
sph_u64 m2 = sph_dec64le_aligned(buf + 16); \
|
||
|
sph_u64 m3 = sph_dec64le_aligned(buf + 24); \
|
||
|
sph_u64 m4 = sph_dec64le_aligned(buf + 32); \
|
||
|
sph_u64 m5 = sph_dec64le_aligned(buf + 40); \
|
||
|
sph_u64 m6 = sph_dec64le_aligned(buf + 48); \
|
||
|
sph_u64 m7 = sph_dec64le_aligned(buf + 56); \
|
||
|
sph_u64 p0 = m0; \
|
||
|
sph_u64 p1 = m1; \
|
||
|
sph_u64 p2 = m2; \
|
||
|
sph_u64 p3 = m3; \
|
||
|
sph_u64 p4 = m4; \
|
||
|
sph_u64 p5 = m5; \
|
||
|
sph_u64 p6 = m6; \
|
||
|
sph_u64 p7 = m7; \
|
||
|
t0 = SPH_T64(bcount << 6) + (sph_u64)(extra); \
|
||
|
t1 = (bcount >> 58) + ((sph_u64)(etype) << 55); \
|
||
|
TFBIG_KINIT(h0, h1, h2, h3, h4, h5, h6, h7, h8, t0, t1, t2); \
|
||
|
TFBIG_4e(0); \
|
||
|
TFBIG_4o(1); \
|
||
|
TFBIG_4e(2); \
|
||
|
TFBIG_4o(3); \
|
||
|
TFBIG_4e(4); \
|
||
|
TFBIG_4o(5); \
|
||
|
TFBIG_4e(6); \
|
||
|
TFBIG_4o(7); \
|
||
|
TFBIG_4e(8); \
|
||
|
TFBIG_4o(9); \
|
||
|
TFBIG_4e(10); \
|
||
|
TFBIG_4o(11); \
|
||
|
TFBIG_4e(12); \
|
||
|
TFBIG_4o(13); \
|
||
|
TFBIG_4e(14); \
|
||
|
TFBIG_4o(15); \
|
||
|
TFBIG_4e(16); \
|
||
|
TFBIG_4o(17); \
|
||
|
TFBIG_ADDKEY(p0, p1, p2, p3, p4, p5, p6, p7, h, t, 18); \
|
||
|
h0 = m0 ^ p0; \
|
||
|
h1 = m1 ^ p1; \
|
||
|
h2 = m2 ^ p2; \
|
||
|
h3 = m3 ^ p3; \
|
||
|
h4 = m4 ^ p4; \
|
||
|
h5 = m5 ^ p5; \
|
||
|
h6 = m6 ^ p6; \
|
||
|
h7 = m7 ^ p7; \
|
||
|
} while (0)
|
||
|
|
||
|
#endif
|
||
|
|
||
|
#if 0
|
||
|
/* obsolete */
|
||
|
#define DECL_STATE_SMALL \
|
||
|
sph_u64 h0, h1, h2, h3; \
|
||
|
sph_u64 bcount;
|
||
|
|
||
|
#define READ_STATE_SMALL(sc) do { \
|
||
|
h0 = (sc)->h0; \
|
||
|
h1 = (sc)->h1; \
|
||
|
h2 = (sc)->h2; \
|
||
|
h3 = (sc)->h3; \
|
||
|
bcount = sc->bcount; \
|
||
|
} while (0)
|
||
|
|
||
|
#define WRITE_STATE_SMALL(sc) do { \
|
||
|
(sc)->h0 = h0; \
|
||
|
(sc)->h1 = h1; \
|
||
|
(sc)->h2 = h2; \
|
||
|
(sc)->h3 = h3; \
|
||
|
sc->bcount = bcount; \
|
||
|
} while (0)
|
||
|
#endif
|
||
|
|
||
|
#if SPH_SMALL_FOOTPRINT_SKEIN
|
||
|
|
||
|
#define DECL_STATE_BIG \
|
||
|
sph_u64 h[27]; \
|
||
|
sph_u64 bcount;
|
||
|
|
||
|
#define READ_STATE_BIG(sc) do { \
|
||
|
h[0] = (sc)->h0; \
|
||
|
h[1] = (sc)->h1; \
|
||
|
h[2] = (sc)->h2; \
|
||
|
h[3] = (sc)->h3; \
|
||
|
h[4] = (sc)->h4; \
|
||
|
h[5] = (sc)->h5; \
|
||
|
h[6] = (sc)->h6; \
|
||
|
h[7] = (sc)->h7; \
|
||
|
bcount = sc->bcount; \
|
||
|
} while (0)
|
||
|
|
||
|
#define WRITE_STATE_BIG(sc) do { \
|
||
|
(sc)->h0 = h[0]; \
|
||
|
(sc)->h1 = h[1]; \
|
||
|
(sc)->h2 = h[2]; \
|
||
|
(sc)->h3 = h[3]; \
|
||
|
(sc)->h4 = h[4]; \
|
||
|
(sc)->h5 = h[5]; \
|
||
|
(sc)->h6 = h[6]; \
|
||
|
(sc)->h7 = h[7]; \
|
||
|
sc->bcount = bcount; \
|
||
|
} while (0)
|
||
|
|
||
|
#else
|
||
|
|
||
|
#define DECL_STATE_BIG \
|
||
|
sph_u64 h0, h1, h2, h3, h4, h5, h6, h7; \
|
||
|
sph_u64 bcount;
|
||
|
|
||
|
#define READ_STATE_BIG(sc) do { \
|
||
|
h0 = (sc)->h0; \
|
||
|
h1 = (sc)->h1; \
|
||
|
h2 = (sc)->h2; \
|
||
|
h3 = (sc)->h3; \
|
||
|
h4 = (sc)->h4; \
|
||
|
h5 = (sc)->h5; \
|
||
|
h6 = (sc)->h6; \
|
||
|
h7 = (sc)->h7; \
|
||
|
bcount = sc->bcount; \
|
||
|
} while (0)
|
||
|
|
||
|
#define WRITE_STATE_BIG(sc) do { \
|
||
|
(sc)->h0 = h0; \
|
||
|
(sc)->h1 = h1; \
|
||
|
(sc)->h2 = h2; \
|
||
|
(sc)->h3 = h3; \
|
||
|
(sc)->h4 = h4; \
|
||
|
(sc)->h5 = h5; \
|
||
|
(sc)->h6 = h6; \
|
||
|
(sc)->h7 = h7; \
|
||
|
sc->bcount = bcount; \
|
||
|
} while (0)
|
||
|
|
||
|
#endif
|
||
|
|
||
|
#if 0
|
||
|
/* obsolete */
|
||
|
static void
|
||
|
skein_small_init(sph_skein_small_context *sc, const sph_u64 *iv)
|
||
|
{
|
||
|
sc->h0 = iv[0];
|
||
|
sc->h1 = iv[1];
|
||
|
sc->h2 = iv[2];
|
||
|
sc->h3 = iv[3];
|
||
|
sc->bcount = 0;
|
||
|
sc->ptr = 0;
|
||
|
}
|
||
|
#endif
|
||
|
|
||
|
static void
|
||
|
skein_big_init(sph_skein_big_context *sc, const sph_u64 *iv)
|
||
|
{
|
||
|
sc->h0 = iv[0];
|
||
|
sc->h1 = iv[1];
|
||
|
sc->h2 = iv[2];
|
||
|
sc->h3 = iv[3];
|
||
|
sc->h4 = iv[4];
|
||
|
sc->h5 = iv[5];
|
||
|
sc->h6 = iv[6];
|
||
|
sc->h7 = iv[7];
|
||
|
sc->bcount = 0;
|
||
|
sc->ptr = 0;
|
||
|
}
|
||
|
|
||
|
#if 0
|
||
|
/* obsolete */
|
||
|
static void
|
||
|
skein_small_core(sph_skein_small_context *sc, const void *data, size_t len)
|
||
|
{
|
||
|
unsigned char *buf;
|
||
|
size_t ptr, clen;
|
||
|
unsigned first;
|
||
|
DECL_STATE_SMALL
|
||
|
|
||
|
buf = sc->buf;
|
||
|
ptr = sc->ptr;
|
||
|
clen = (sizeof sc->buf) - ptr;
|
||
|
if (len <= clen) {
|
||
|
memcpy(buf + ptr, data, len);
|
||
|
sc->ptr = ptr + len;
|
||
|
return;
|
||
|
}
|
||
|
if (clen != 0) {
|
||
|
memcpy(buf + ptr, data, clen);
|
||
|
data = (const unsigned char *)data + clen;
|
||
|
len -= clen;
|
||
|
}
|
||
|
|
||
|
#if SPH_SMALL_FOOTPRINT_SKEIN
|
||
|
|
||
|
READ_STATE_SMALL(sc);
|
||
|
first = (bcount == 0) << 7;
|
||
|
for (;;) {
|
||
|
bcount ++;
|
||
|
UBI_SMALL(96 + first, 0);
|
||
|
if (len <= sizeof sc->buf)
|
||
|
break;
|
||
|
first = 0;
|
||
|
memcpy(buf, data, sizeof sc->buf);
|
||
|
data = (const unsigned char *)data + sizeof sc->buf;
|
||
|
len -= sizeof sc->buf;
|
||
|
}
|
||
|
WRITE_STATE_SMALL(sc);
|
||
|
sc->ptr = len;
|
||
|
memcpy(buf, data, len);
|
||
|
|
||
|
#else
|
||
|
|
||
|
/*
|
||
|
* Unrolling the loop yields a slight performance boost, while
|
||
|
* keeping the code size aorund 24 kB on 32-bit x86.
|
||
|
*/
|
||
|
READ_STATE_SMALL(sc);
|
||
|
first = (bcount == 0) << 7;
|
||
|
for (;;) {
|
||
|
bcount ++;
|
||
|
UBI_SMALL(96 + first, 0);
|
||
|
if (len <= sizeof sc->buf)
|
||
|
break;
|
||
|
buf = (unsigned char *)data;
|
||
|
bcount ++;
|
||
|
UBI_SMALL(96, 0);
|
||
|
if (len <= 2 * sizeof sc->buf) {
|
||
|
data = buf + sizeof sc->buf;
|
||
|
len -= sizeof sc->buf;
|
||
|
break;
|
||
|
}
|
||
|
buf += sizeof sc->buf;
|
||
|
data = buf + sizeof sc->buf;
|
||
|
first = 0;
|
||
|
len -= 2 * sizeof sc->buf;
|
||
|
}
|
||
|
WRITE_STATE_SMALL(sc);
|
||
|
sc->ptr = len;
|
||
|
memcpy(sc->buf, data, len);
|
||
|
|
||
|
#endif
|
||
|
}
|
||
|
#endif
|
||
|
|
||
|
static void
|
||
|
skein_big_core(sph_skein_big_context *sc, const void *data, size_t len)
|
||
|
{
|
||
|
/*
|
||
|
* The Skein "final bit" in the tweak is troublesome here,
|
||
|
* because if the input has a length which is a multiple of the
|
||
|
* block size (512 bits) then that bit must be set for the
|
||
|
* final block, which is full of message bits (padding in
|
||
|
* Skein can be reduced to no extra bit at all). However, this
|
||
|
* function cannot know whether it processes the last chunks of
|
||
|
* the message or not. Hence we may keep a full block of buffered
|
||
|
* data (64 bytes).
|
||
|
*/
|
||
|
unsigned char *buf;
|
||
|
size_t ptr;
|
||
|
unsigned first;
|
||
|
DECL_STATE_BIG
|
||
|
|
||
|
buf = sc->buf;
|
||
|
ptr = sc->ptr;
|
||
|
if (len <= (sizeof sc->buf) - ptr) {
|
||
|
memcpy(buf + ptr, data, len);
|
||
|
ptr += len;
|
||
|
sc->ptr = ptr;
|
||
|
return;
|
||
|
}
|
||
|
|
||
|
READ_STATE_BIG(sc);
|
||
|
first = (bcount == 0) << 7;
|
||
|
do {
|
||
|
size_t clen;
|
||
|
|
||
|
if (ptr == sizeof sc->buf) {
|
||
|
bcount ++;
|
||
|
UBI_BIG(96 + first, 0);
|
||
|
first = 0;
|
||
|
ptr = 0;
|
||
|
}
|
||
|
clen = (sizeof sc->buf) - ptr;
|
||
|
if (clen > len)
|
||
|
clen = len;
|
||
|
memcpy(buf + ptr, data, clen);
|
||
|
ptr += clen;
|
||
|
data = (const unsigned char *)data + clen;
|
||
|
len -= clen;
|
||
|
} while (len > 0);
|
||
|
WRITE_STATE_BIG(sc);
|
||
|
sc->ptr = ptr;
|
||
|
}
|
||
|
|
||
|
#if 0
|
||
|
/* obsolete */
|
||
|
static void
|
||
|
skein_small_close(sph_skein_small_context *sc, unsigned ub, unsigned n,
|
||
|
void *dst, size_t out_len)
|
||
|
{
|
||
|
unsigned char *buf;
|
||
|
size_t ptr;
|
||
|
unsigned et;
|
||
|
int i;
|
||
|
DECL_STATE_SMALL
|
||
|
|
||
|
if (n != 0) {
|
||
|
unsigned z;
|
||
|
unsigned char x;
|
||
|
|
||
|
z = 0x80 >> n;
|
||
|
x = ((ub & -z) | z) & 0xFF;
|
||
|
skein_small_core(sc, &x, 1);
|
||
|
}
|
||
|
|
||
|
buf = sc->buf;
|
||
|
ptr = sc->ptr;
|
||
|
READ_STATE_SMALL(sc);
|
||
|
memset(buf + ptr, 0, (sizeof sc->buf) - ptr);
|
||
|
et = 352 + ((bcount == 0) << 7) + (n != 0);
|
||
|
for (i = 0; i < 2; i ++) {
|
||
|
UBI_SMALL(et, ptr);
|
||
|
if (i == 0) {
|
||
|
memset(buf, 0, sizeof sc->buf);
|
||
|
bcount = 0;
|
||
|
et = 510;
|
||
|
ptr = 8;
|
||
|
}
|
||
|
}
|
||
|
|
||
|
sph_enc64le_aligned(buf + 0, h0);
|
||
|
sph_enc64le_aligned(buf + 8, h1);
|
||
|
sph_enc64le_aligned(buf + 16, h2);
|
||
|
sph_enc64le_aligned(buf + 24, h3);
|
||
|
memcpy(dst, buf, out_len);
|
||
|
}
|
||
|
#endif
|
||
|
|
||
|
static void
|
||
|
skein_big_close(sph_skein_big_context *sc, unsigned ub, unsigned n,
|
||
|
void *dst, size_t out_len)
|
||
|
{
|
||
|
unsigned char *buf;
|
||
|
size_t ptr;
|
||
|
unsigned et;
|
||
|
int i;
|
||
|
#if SPH_SMALL_FOOTPRINT_SKEIN
|
||
|
size_t u;
|
||
|
#endif
|
||
|
DECL_STATE_BIG
|
||
|
|
||
|
/*
|
||
|
* Add bit padding if necessary.
|
||
|
*/
|
||
|
if (n != 0) {
|
||
|
unsigned z;
|
||
|
unsigned char x;
|
||
|
|
||
|
z = 0x80 >> n;
|
||
|
x = ((ub & -z) | z) & 0xFF;
|
||
|
skein_big_core(sc, &x, 1);
|
||
|
}
|
||
|
|
||
|
buf = sc->buf;
|
||
|
ptr = sc->ptr;
|
||
|
|
||
|
/*
|
||
|
* At that point, if ptr == 0, then the message was empty;
|
||
|
* otherwise, there is between 1 and 64 bytes (inclusive) which
|
||
|
* are yet to be processed. Either way, we complete the buffer
|
||
|
* to a full block with zeros (the Skein specification mandates
|
||
|
* that an empty message is padded so that there is at least
|
||
|
* one block to process).
|
||
|
*
|
||
|
* Once this block has been processed, we do it again, with
|
||
|
* a block full of zeros, for the output (that block contains
|
||
|
* the encoding of "0", over 8 bytes, then padded with zeros).
|
||
|
*/
|
||
|
READ_STATE_BIG(sc);
|
||
|
memset(buf + ptr, 0, (sizeof sc->buf) - ptr);
|
||
|
et = 352 + ((bcount == 0) << 7) + (n != 0);
|
||
|
for (i = 0; i < 2; i ++) {
|
||
|
UBI_BIG(et, ptr);
|
||
|
if (i == 0) {
|
||
|
memset(buf, 0, sizeof sc->buf);
|
||
|
bcount = 0;
|
||
|
et = 510;
|
||
|
ptr = 8;
|
||
|
}
|
||
|
}
|
||
|
|
||
|
#if SPH_SMALL_FOOTPRINT_SKEIN
|
||
|
|
||
|
/*
|
||
|
* We use a temporary buffer because we must support the case
|
||
|
* where output size is not a multiple of 64 (namely, a 224-bit
|
||
|
* output).
|
||
|
*/
|
||
|
for (u = 0; u < out_len; u += 8)
|
||
|
sph_enc64le_aligned(buf + u, h[u >> 3]);
|
||
|
memcpy(dst, buf, out_len);
|
||
|
|
||
|
#else
|
||
|
|
||
|
sph_enc64le_aligned(buf + 0, h0);
|
||
|
sph_enc64le_aligned(buf + 8, h1);
|
||
|
sph_enc64le_aligned(buf + 16, h2);
|
||
|
sph_enc64le_aligned(buf + 24, h3);
|
||
|
sph_enc64le_aligned(buf + 32, h4);
|
||
|
sph_enc64le_aligned(buf + 40, h5);
|
||
|
sph_enc64le_aligned(buf + 48, h6);
|
||
|
sph_enc64le_aligned(buf + 56, h7);
|
||
|
memcpy(dst, buf, out_len);
|
||
|
|
||
|
#endif
|
||
|
}
|
||
|
|
||
|
#if 0
|
||
|
/* obsolete */
|
||
|
static const sph_u64 IV224[] = {
|
||
|
SPH_C64(0xC6098A8C9AE5EA0B), SPH_C64(0x876D568608C5191C),
|
||
|
SPH_C64(0x99CB88D7D7F53884), SPH_C64(0x384BDDB1AEDDB5DE)
|
||
|
};
|
||
|
|
||
|
static const sph_u64 IV256[] = {
|
||
|
SPH_C64(0xFC9DA860D048B449), SPH_C64(0x2FCA66479FA7D833),
|
||
|
SPH_C64(0xB33BC3896656840F), SPH_C64(0x6A54E920FDE8DA69)
|
||
|
};
|
||
|
#endif
|
||
|
|
||
|
static const sph_u64 IV224[] = {
|
||
|
SPH_C64(0xCCD0616248677224), SPH_C64(0xCBA65CF3A92339EF),
|
||
|
SPH_C64(0x8CCD69D652FF4B64), SPH_C64(0x398AED7B3AB890B4),
|
||
|
SPH_C64(0x0F59D1B1457D2BD0), SPH_C64(0x6776FE6575D4EB3D),
|
||
|
SPH_C64(0x99FBC70E997413E9), SPH_C64(0x9E2CFCCFE1C41EF7)
|
||
|
};
|
||
|
|
||
|
static const sph_u64 IV256[] = {
|
||
|
SPH_C64(0xCCD044A12FDB3E13), SPH_C64(0xE83590301A79A9EB),
|
||
|
SPH_C64(0x55AEA0614F816E6F), SPH_C64(0x2A2767A4AE9B94DB),
|
||
|
SPH_C64(0xEC06025E74DD7683), SPH_C64(0xE7A436CDC4746251),
|
||
|
SPH_C64(0xC36FBAF9393AD185), SPH_C64(0x3EEDBA1833EDFC13)
|
||
|
};
|
||
|
|
||
|
static const sph_u64 IV384[] = {
|
||
|
SPH_C64(0xA3F6C6BF3A75EF5F), SPH_C64(0xB0FEF9CCFD84FAA4),
|
||
|
SPH_C64(0x9D77DD663D770CFE), SPH_C64(0xD798CBF3B468FDDA),
|
||
|
SPH_C64(0x1BC4A6668A0E4465), SPH_C64(0x7ED7D434E5807407),
|
||
|
SPH_C64(0x548FC1ACD4EC44D6), SPH_C64(0x266E17546AA18FF8)
|
||
|
};
|
||
|
|
||
|
static const sph_u64 IV512[] = {
|
||
|
SPH_C64(0x4903ADFF749C51CE), SPH_C64(0x0D95DE399746DF03),
|
||
|
SPH_C64(0x8FD1934127C79BCE), SPH_C64(0x9A255629FF352CB1),
|
||
|
SPH_C64(0x5DB62599DF6CA7B0), SPH_C64(0xEABE394CA9D5C3F4),
|
||
|
SPH_C64(0x991112C71A75B523), SPH_C64(0xAE18A40B660FCC33)
|
||
|
};
|
||
|
|
||
|
#if 0
|
||
|
/* obsolete */
|
||
|
/* see sph_skein.h */
|
||
|
void
|
||
|
sph_skein224_init(void *cc)
|
||
|
{
|
||
|
skein_small_init(cc, IV224);
|
||
|
}
|
||
|
|
||
|
/* see sph_skein.h */
|
||
|
void
|
||
|
sph_skein224(void *cc, const void *data, size_t len)
|
||
|
{
|
||
|
skein_small_core(cc, data, len);
|
||
|
}
|
||
|
|
||
|
/* see sph_skein.h */
|
||
|
void
|
||
|
sph_skein224_close(void *cc, void *dst)
|
||
|
{
|
||
|
sph_skein224_addbits_and_close(cc, 0, 0, dst);
|
||
|
}
|
||
|
|
||
|
/* see sph_skein.h */
|
||
|
void
|
||
|
sph_skein224_addbits_and_close(void *cc, unsigned ub, unsigned n, void *dst)
|
||
|
{
|
||
|
skein_small_close(cc, ub, n, dst, 28);
|
||
|
sph_skein224_init(cc);
|
||
|
}
|
||
|
|
||
|
/* see sph_skein.h */
|
||
|
void
|
||
|
sph_skein256_init(void *cc)
|
||
|
{
|
||
|
skein_small_init(cc, IV256);
|
||
|
}
|
||
|
|
||
|
/* see sph_skein.h */
|
||
|
void
|
||
|
sph_skein256(void *cc, const void *data, size_t len)
|
||
|
{
|
||
|
skein_small_core(cc, data, len);
|
||
|
}
|
||
|
|
||
|
/* see sph_skein.h */
|
||
|
void
|
||
|
sph_skein256_close(void *cc, void *dst)
|
||
|
{
|
||
|
sph_skein256_addbits_and_close(cc, 0, 0, dst);
|
||
|
}
|
||
|
|
||
|
/* see sph_skein.h */
|
||
|
void
|
||
|
sph_skein256_addbits_and_close(void *cc, unsigned ub, unsigned n, void *dst)
|
||
|
{
|
||
|
skein_small_close(cc, ub, n, dst, 32);
|
||
|
sph_skein256_init(cc);
|
||
|
}
|
||
|
#endif
|
||
|
|
||
|
/* see sph_skein.h */
|
||
|
void
|
||
|
sph_skein224_init(void *cc)
|
||
|
{
|
||
|
skein_big_init(cc, IV224);
|
||
|
}
|
||
|
|
||
|
/* see sph_skein.h */
|
||
|
void
|
||
|
sph_skein224(void *cc, const void *data, size_t len)
|
||
|
{
|
||
|
skein_big_core(cc, data, len);
|
||
|
}
|
||
|
|
||
|
/* see sph_skein.h */
|
||
|
void
|
||
|
sph_skein224_close(void *cc, void *dst)
|
||
|
{
|
||
|
sph_skein224_addbits_and_close(cc, 0, 0, dst);
|
||
|
}
|
||
|
|
||
|
/* see sph_skein.h */
|
||
|
void
|
||
|
sph_skein224_addbits_and_close(void *cc, unsigned ub, unsigned n, void *dst)
|
||
|
{
|
||
|
skein_big_close(cc, ub, n, dst, 28);
|
||
|
sph_skein224_init(cc);
|
||
|
}
|
||
|
|
||
|
/* see sph_skein.h */
|
||
|
void
|
||
|
sph_skein256_init(void *cc)
|
||
|
{
|
||
|
skein_big_init(cc, IV256);
|
||
|
}
|
||
|
|
||
|
/* see sph_skein.h */
|
||
|
void
|
||
|
sph_skein256(void *cc, const void *data, size_t len)
|
||
|
{
|
||
|
skein_big_core(cc, data, len);
|
||
|
}
|
||
|
|
||
|
/* see sph_skein.h */
|
||
|
void
|
||
|
sph_skein256_close(void *cc, void *dst)
|
||
|
{
|
||
|
sph_skein256_addbits_and_close(cc, 0, 0, dst);
|
||
|
}
|
||
|
|
||
|
/* see sph_skein.h */
|
||
|
void
|
||
|
sph_skein256_addbits_and_close(void *cc, unsigned ub, unsigned n, void *dst)
|
||
|
{
|
||
|
skein_big_close(cc, ub, n, dst, 32);
|
||
|
sph_skein256_init(cc);
|
||
|
}
|
||
|
|
||
|
/* see sph_skein.h */
|
||
|
void
|
||
|
sph_skein384_init(void *cc)
|
||
|
{
|
||
|
skein_big_init(cc, IV384);
|
||
|
}
|
||
|
|
||
|
/* see sph_skein.h */
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||
|
void
|
||
|
sph_skein384(void *cc, const void *data, size_t len)
|
||
|
{
|
||
|
skein_big_core(cc, data, len);
|
||
|
}
|
||
|
|
||
|
/* see sph_skein.h */
|
||
|
void
|
||
|
sph_skein384_close(void *cc, void *dst)
|
||
|
{
|
||
|
sph_skein384_addbits_and_close(cc, 0, 0, dst);
|
||
|
}
|
||
|
|
||
|
/* see sph_skein.h */
|
||
|
void
|
||
|
sph_skein384_addbits_and_close(void *cc, unsigned ub, unsigned n, void *dst)
|
||
|
{
|
||
|
skein_big_close(cc, ub, n, dst, 48);
|
||
|
sph_skein384_init(cc);
|
||
|
}
|
||
|
|
||
|
/* see sph_skein.h */
|
||
|
void
|
||
|
sph_skein512_init(void *cc)
|
||
|
{
|
||
|
skein_big_init(cc, IV512);
|
||
|
}
|
||
|
|
||
|
/* see sph_skein.h */
|
||
|
void
|
||
|
sph_skein512(void *cc, const void *data, size_t len)
|
||
|
{
|
||
|
skein_big_core(cc, data, len);
|
||
|
}
|
||
|
|
||
|
/* see sph_skein.h */
|
||
|
void
|
||
|
sph_skein512_close(void *cc, void *dst)
|
||
|
{
|
||
|
sph_skein512_addbits_and_close(cc, 0, 0, dst);
|
||
|
}
|
||
|
|
||
|
/* see sph_skein.h */
|
||
|
void
|
||
|
sph_skein512_addbits_and_close(void *cc, unsigned ub, unsigned n, void *dst)
|
||
|
{
|
||
|
skein_big_close(cc, ub, n, dst, 64);
|
||
|
sph_skein512_init(cc);
|
||
|
}
|
||
|
|
||
|
#endif
|