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97 lines
3.3 KiB
97 lines
3.3 KiB
10 years ago
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/*
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* blake256 kernel implementation.
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*
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* ==========================(LICENSE BEGIN)============================
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* Copyright (c) 2014 djm34
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* Copyright (c) 2014 tpruvot
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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 djm34
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*/
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__constant static const int sigma[16][16] = {
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{ 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 },
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{ 14, 10, 4, 8, 9, 15, 13, 6, 1, 12, 0, 2, 11, 7, 5, 3 },
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{ 11, 8, 12, 0, 5, 2, 15, 13, 10, 14, 3, 6, 7, 1, 9, 4 },
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{ 7, 9, 3, 1, 13, 12, 11, 14, 2, 6, 5, 10, 4, 0, 15, 8 },
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{ 9, 0, 5, 7, 2, 4, 10, 15, 14, 1, 11, 12, 6, 8, 3, 13 },
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{ 2, 12, 6, 10, 0, 11, 8, 3, 4, 13, 7, 5, 15, 14, 1, 9 },
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{ 12, 5, 1, 15, 14, 13, 4, 10, 0, 7, 6, 3, 9, 2, 8, 11 },
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{ 13, 11, 7, 14, 12, 1, 3, 9, 5, 0, 15, 4, 8, 6, 2, 10 },
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{ 6, 15, 14, 9, 11, 3, 0, 8, 12, 2, 13, 7, 1, 4, 10, 5 },
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{ 10, 2, 8, 4, 7, 6, 1, 5, 15, 11, 9, 14, 3, 12, 13, 0 },
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{ 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 },
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{ 14, 10, 4, 8, 9, 15, 13, 6, 1, 12, 0, 2, 11, 7, 5, 3 },
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{ 11, 8, 12, 0, 5, 2, 15, 13, 10, 14, 3, 6, 7, 1, 9, 4 },
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{ 7, 9, 3, 1, 13, 12, 11, 14, 2, 6, 5, 10, 4, 0, 15, 8 },
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{ 9, 0, 5, 7, 2, 4, 10, 15, 14, 1, 11, 12, 6, 8, 3, 13 },
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{ 2, 12, 6, 10, 0, 11, 8, 3, 4, 13, 7, 5, 15, 14, 1, 9 }
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};
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__constant static const sph_u32 c_IV256[8] = {
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0x6A09E667, 0xBB67AE85,
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0x3C6EF372, 0xA54FF53A,
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0x510E527F, 0x9B05688C,
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0x1F83D9AB, 0x5BE0CD19
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};
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/* Second part (64-80) msg never change, store it */
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__constant static const sph_u32 c_Padding[16] = {
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0, 0, 0, 0,
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0x80000000, 0, 0, 0,
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0, 0, 0, 0,
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0, 1, 0, 640,
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};
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__constant static const sph_u32 c_u256[16] = {
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0x243F6A88, 0x85A308D3,
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0x13198A2E, 0x03707344,
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0xA4093822, 0x299F31D0,
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0x082EFA98, 0xEC4E6C89,
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0x452821E6, 0x38D01377,
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0xBE5466CF, 0x34E90C6C,
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0xC0AC29B7, 0xC97C50DD,
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0x3F84D5B5, 0xB5470917
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};
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#define GS(a,b,c,d,x) { \
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const sph_u32 idx1 = sigma[r][x]; \
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const sph_u32 idx2 = sigma[r][x+1]; \
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v[a] += (m[idx1] ^ c_u256[idx2]) + v[b]; \
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v[d] ^= v[a]; \
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v[d] = SPH_ROTR32(v[d], 16); \
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v[c] += v[d]; \
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v[b] ^= v[c]; \
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v[b] = SPH_ROTR32(v[b], 12); \
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\
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v[a] += (m[idx2] ^ c_u256[idx1]) + v[b]; \
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v[d] ^= v[a]; \
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v[d] = SPH_ROTR32(v[d], 8); \
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v[c] += v[d]; \
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v[b] ^= v[c]; \
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v[b] = SPH_ROTR32(v[b], 7); \
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}
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