| 6465 |
hidnplayr |
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; libcrash -- cryptographic hash functions |
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; |
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; Copyright (C) 2013,2016 Ivan Baravy (dunkaist) |
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; |
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; This program is free software: you can redistribute it and/or modify |
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; it under the terms of the GNU General Public License as published by |
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; the Free Software Foundation, either version 3 of the License, or |
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; (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 |
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; GNU General Public License for more details. |
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; |
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; You should have received a copy of the GNU General Public License |
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; along with this program. If not, see . |
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macro sha3._.rol_xor nd, ncl, ncr |
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{ |
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movq mm0, [C + 8*(ncl)] |
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movq mm1, mm0 |
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psllq mm0, 1 |
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psrlq mm1, 63 |
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por mm0, mm1 |
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pxor mm0, [C + 8*(ncr)] |
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movq [D + 8*(nd)], mm0 |
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} |
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proc sha3._.theta |
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;locals |
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; C rq 5 |
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; D rq 5 |
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;endl |
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C equ ebx + ctx_sha3.C |
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D equ ebx + ctx_sha3.D |
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37 |
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repeat 5 |
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movq mm0, [edi + 8*(%-1 + 0)] |
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pxor mm0, [edi + 8*(%-1 + 5)] |
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pxor mm0, [edi + 8*(%-1 + 10)] |
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pxor mm0, [edi + 8*(%-1 + 15)] |
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pxor mm0, [edi + 8*(%-1 + 20)] |
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movq [C + 8*(%-1)], mm0 |
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end repeat |
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sha3._.rol_xor 0, 1, 4 |
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sha3._.rol_xor 1, 2, 0 |
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sha3._.rol_xor 2, 3, 1 |
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sha3._.rol_xor 3, 4, 2 |
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sha3._.rol_xor 4, 0, 3 |
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repeat 5 |
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movq mm1, [D + 8*(%-1)] |
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movq mm0, mm1 |
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pxor mm0, [edi + 8*(%-1 + 0)] |
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movq [edi + 8*(%-1 + 0)], mm0 |
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movq mm0, mm1 |
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pxor mm0, [edi + 8*(%-1 + 5)] |
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movq [edi + 8*(%-1 + 5)], mm0 |
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movq mm0, mm1 |
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pxor mm0, [edi + 8*(%-1 + 10)] |
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movq [edi + 8*(%-1 + 10)], mm0 |
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movq mm0, mm1 |
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pxor mm0, [edi + 8*(%-1 + 15)] |
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movq [edi + 8*(%-1 + 15)], mm0 |
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movq mm0, mm1 |
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pxor mm0, [edi + 8*(%-1 + 20)] |
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movq [edi + 8*(%-1 + 20)], mm0 |
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end repeat |
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restore C,D |
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ret |
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endp |
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proc sha3._.pi |
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movq mm1, [edi + 8*1] |
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movq mm0, [edi + 8*6] |
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movq [edi + 8*1], mm0 |
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movq mm0, [edi + 8*9] |
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movq [edi + 8*6], mm0 |
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movq mm0, [edi + 8*22] |
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movq [edi + 8*9], mm0 |
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movq mm0, [edi + 8*14] |
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movq [edi + 8*22], mm0 |
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movq mm0, [edi + 8*20] |
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movq [edi + 8*14], mm0 |
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movq mm0, [edi + 8*2] |
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movq [edi + 8*20], mm0 |
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movq mm0, [edi + 8*12] |
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movq [edi + 8*2], mm0 |
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movq mm0, [edi + 8*13] |
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movq [edi + 8*12], mm0 |
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movq mm0, [edi + 8*19] |
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movq [edi + 8*13], mm0 |
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movq mm0, [edi + 8*23] |
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movq [edi + 8*19], mm0 |
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movq mm0, [edi + 8*15] |
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movq [edi + 8*23], mm0 |
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movq mm0, [edi + 8*4] |
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movq [edi + 8*15], mm0 |
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movq mm0, [edi + 8*24] |
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movq [edi + 8*4], mm0 |
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movq mm0, [edi + 8*21] |
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movq [edi + 8*24], mm0 |
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movq mm0, [edi + 8*8] |
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movq [edi + 8*21], mm0 |
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movq mm0, [edi + 8*16] |
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movq [edi + 8*8], mm0 |
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movq mm0, [edi + 8*5] |
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movq [edi + 8*16], mm0 |
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movq mm0, [edi + 8*3] |
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movq [edi + 8*5], mm0 |
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movq mm0, [edi + 8*18] |
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movq [edi + 8*3], mm0 |
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movq mm0, [edi + 8*17] |
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movq [edi + 8*18], mm0 |
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movq mm0, [edi + 8*11] |
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movq [edi + 8*17], mm0 |
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movq mm0, [edi + 8*7] |
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movq [edi + 8*11], mm0 |
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movq mm0, [edi + 8*10] |
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movq [edi + 8*7], mm0 |
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movq [edi + 8*10], mm1 |
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ret |
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endp |
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proc sha3._.chi |
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mov eax, 0xffffffff |
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movd mm0, eax |
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movq mm2, mm0 |
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punpckldq mm2, mm0 |
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repeat 5 |
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movq mm6, [edi + 8*(0 + 5*(%-1))] |
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movq mm7, [edi + 8*(1 + 5*(%-1))] |
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movq mm0, [edi + 8*(0 + 5*(%-1))] |
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movq mm1, mm7 |
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pandn mm1, mm2 |
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pand mm1, [edi + 8*(2 + 5*(%-1))] |
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pxor mm0, mm1 |
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movq [edi + 8*(0 + 5*(%-1))], mm0 |
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movq mm0, [edi + 8*(1 + 5*(%-1))] |
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movq mm1, [edi + 8*(2 + 5*(%-1))] |
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pandn mm1, mm2 |
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pand mm1, [edi + 8*(3 + 5*(%-1))] |
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pxor mm0, mm1 |
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movq [edi + 8*(1 + 5*(%-1))], mm0 |
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movq mm0, [edi + 8*(2 + 5*(%-1))] |
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movq mm1, [edi + 8*(3 + 5*(%-1))] |
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pandn mm1, mm2 |
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pand mm1, [edi + 8*(4 + 5*(%-1))] |
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pxor mm0, mm1 |
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movq [edi + 8*(2 + 5*(%-1))], mm0 |
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movq mm0, [edi + 8*(3 + 5*(%-1))] |
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movq mm1, [edi + 8*(4 + 5*(%-1))] |
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pandn mm1, mm2 |
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pand mm1, mm6 |
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pxor mm0, mm1 |
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movq [edi + 8*(3 + 5*(%-1))], mm0 |
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movq mm0, [edi + 8*(4 + 5*(%-1))] |
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movq mm1, mm6 |
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pandn mm1, mm2 |
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pand mm1, mm7 |
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pxor mm0, mm1 |
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movq [edi + 8*(4 + 5*(%-1))], mm0 |
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end repeat |
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ret |
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endp |
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macro sha3._.rol_mov n, c |
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{ |
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movq mm0, [edi + 8*(n)] |
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movq mm1, mm0 |
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psllq mm0, (c) |
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psrlq mm1, (64-(c)) |
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por mm0, mm1 |
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movq [edi + 8*(n)], mm0 |
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} |
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proc sha3._.permutation |
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repeat 24 |
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stdcall sha3._.theta |
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195 |
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sha3._.rol_mov 1, 1 |
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sha3._.rol_mov 2, 62 |
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sha3._.rol_mov 3, 28 |
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sha3._.rol_mov 4, 27 |
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sha3._.rol_mov 5, 36 |
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sha3._.rol_mov 6, 44 |
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sha3._.rol_mov 7, 6 |
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sha3._.rol_mov 8, 55 |
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sha3._.rol_mov 9, 20 |
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sha3._.rol_mov 10, 3 |
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sha3._.rol_mov 11, 10 |
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sha3._.rol_mov 12, 43 |
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sha3._.rol_mov 13, 25 |
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sha3._.rol_mov 14, 39 |
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sha3._.rol_mov 15, 41 |
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sha3._.rol_mov 16, 45 |
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sha3._.rol_mov 17, 15 |
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sha3._.rol_mov 18, 21 |
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sha3._.rol_mov 19, 8 |
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sha3._.rol_mov 20, 18 |
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sha3._.rol_mov 21, 2 |
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sha3._.rol_mov 22, 61 |
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sha3._.rol_mov 23, 56 |
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sha3._.rol_mov 24, 14 |
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220 |
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stdcall sha3._.pi |
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stdcall sha3._.chi |
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movq mm0, [edi + 8*(0)] |
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pxor mm0, [sha3._.round + 8*(%-1)] |
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movq [edi + 8*(0)], mm0 |
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end repeat |
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ret |
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endp |
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proc sha3._.init _ctx |
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mov [ebx + ctx_sha3.block_size], eax |
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shr eax, 3 |
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dec eax |
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mov [ebx + ctx_sha3.rounds_cnt], eax |
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xor eax, eax |
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lea edi, [ebx + ctx_sha3.hash] |
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mov ecx, SHA3_INIT_SIZE/4 |
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rep stosd |
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mov [ebx + ctx_sha3.index], eax |
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ret |
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endp |
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proc sha3224.init _ctx |
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mov ebx, [_ctx] |
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mov eax, SHA3224_BLOCK_SIZE |
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stdcall sha3._.init |
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ret |
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endp |
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proc sha3256.init _ctx |
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mov ebx, [_ctx] |
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mov eax, SHA3256_BLOCK_SIZE |
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stdcall sha3._.init |
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ret |
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endp |
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proc sha3384.init _ctx |
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mov ebx, [_ctx] |
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mov eax, SHA3384_BLOCK_SIZE |
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stdcall sha3._.init |
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ret |
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endp |
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proc sha3512.init _ctx |
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mov ebx, [_ctx] |
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mov eax, SHA3512_BLOCK_SIZE |
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stdcall sha3._.init |
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ret |
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endp |
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278 |
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proc sha3._.block _hash |
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mov ecx, [ebx + ctx_sha3.rounds_cnt] |
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mov edi, [_hash] |
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@@: |
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movq mm0, [esi + 8*ecx] |
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pxor mm0, [edi + 8*ecx] |
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movq [edi + 8*ecx], mm0 |
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dec ecx |
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jns @b |
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289 |
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stdcall sha3._.permutation |
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291 |
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ret |
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endp |
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295 |
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sha3224.update = sha3.update |
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sha3256.update = sha3.update |
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sha3384.update = sha3.update |
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sha3512.update = sha3.update |
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proc sha3.update _ctx, _msg, _size |
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.next_block: |
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mov ebx, [_ctx] |
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mov esi, [_msg] |
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mov eax, [ebx + ctx_sha3.index] |
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test eax, eax |
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jnz .copy_to_buf |
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test esi, SHA3_ALIGN_MASK |
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jnz .copy_to_buf |
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.no_copy: |
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; data is aligned, hash it in place without copying |
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311 |
mov ebx, [_ctx] |
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mov eax, [ebx + ctx_sha3.block_size] |
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cmp [_size], eax |
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314 |
jb .copy_quit |
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315 |
lea eax, [ebx + ctx_sha3.hash] |
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316 |
push ebx esi |
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317 |
stdcall sha3._.block, eax |
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318 |
pop esi ebx |
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319 |
mov eax, [ebx + ctx_sha3.block_size] |
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sub [_size], eax |
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321 |
add esi, [ebx + ctx_sha3.block_size] |
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322 |
jmp .no_copy |
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323 |
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.copy_to_buf: |
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325 |
lea edi, [ebx + ctx_sha3.block] |
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326 |
add edi, eax |
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327 |
mov ecx, [ebx + ctx_sha3.block_size] |
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328 |
sub ecx, eax |
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329 |
cmp [_size], ecx |
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330 |
jb .copy_quit |
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sub [_size], ecx |
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332 |
add [_msg], ecx |
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333 |
add [ebx + ctx_sha3.index], ecx |
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334 |
mov eax, [ebx + ctx_sha3.block_size] |
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cmp [ebx + ctx_sha3.index], eax |
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336 |
jb @f |
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337 |
sub [ebx + ctx_sha3.index], eax |
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338 |
@@: |
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339 |
rep movsb |
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340 |
lea eax, [ebx + ctx_sha3.hash] |
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341 |
lea esi, [ebx + ctx_sha3.block] |
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342 |
stdcall sha3._.block, eax |
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343 |
jmp .next_block |
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344 |
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345 |
.copy_quit: |
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346 |
mov ebx, [_ctx] |
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347 |
lea edi, [ebx + ctx_sha3.block] |
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348 |
mov eax, [ebx + ctx_sha3.index] |
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349 |
add edi, eax |
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350 |
mov ecx, [_size] |
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351 |
add [ebx + ctx_sha3.index], ecx |
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352 |
rep movsb |
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.quit: |
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354 |
ret |
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355 |
endp |
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356 |
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357 |
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358 |
sha3224.final = sha3.final |
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359 |
sha3256.final = sha3.final |
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360 |
sha3384.final = sha3.final |
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361 |
sha3512.final = sha3.final |
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362 |
proc sha3.final _ctx |
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363 |
pushad |
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364 |
mov ebx, [_ctx] |
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365 |
mov eax, [ebx + ctx_sha3.index] |
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366 |
xor edx, edx |
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367 |
mov ecx, [ebx + ctx_sha3.block_size] |
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368 |
div ecx |
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369 |
sub ecx, edx |
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370 |
ja @f |
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371 |
add ecx, [ebx + ctx_sha3.block_size] |
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372 |
@@: |
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373 |
add [ebx + ctx_sha3.index], ecx |
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374 |
mov eax, [ebx + ctx_sha3.block_size] |
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375 |
cmp [ebx + ctx_sha3.index], eax |
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376 |
jb @f |
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377 |
sub [ebx + ctx_sha3.index], eax |
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378 |
@@: |
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379 |
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380 |
mov byte[edi], 0x06 |
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381 |
inc edi |
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382 |
dec ecx |
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383 |
xor eax, eax |
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384 |
rep stosb |
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385 |
or byte[edi - 1], 0x80 |
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386 |
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387 |
mov ebx, [_ctx] |
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|
388 |
lea esi, [ebx + ctx_sha3.block] |
|
|
389 |
lea eax, [ebx + ctx_sha3.hash] |
|
|
390 |
stdcall sha3._.block, eax |
|
|
391 |
|
|
|
392 |
mov ebx, [_ctx] |
|
|
393 |
lea eax, [ebx + ctx_sha3.hash] |
|
|
394 |
stdcall sha3._.postprocess, ebx, eax |
|
|
395 |
|
|
|
396 |
popad |
|
|
397 |
ret |
|
|
398 |
endp |
|
|
399 |
|
|
|
400 |
|
|
|
401 |
proc sha3._.postprocess _ctx, _hash |
|
|
402 |
emms |
|
|
403 |
ret |
|
|
404 |
endp |
|
|
405 |
|
|
|
406 |
|
|
|
407 |
align SHA3_ALIGN |
|
|
408 |
|
|
|
409 |
sha3._.round dq 0x0000000000000001, 0x0000000000008082, 0x800000000000808A,\ |
|
|
410 |
0x8000000080008000, 0x000000000000808B, 0x0000000080000001,\ |
|
|
411 |
0x8000000080008081, 0x8000000000008009, 0x000000000000008A,\ |
|
|
412 |
0x0000000000000088, 0x0000000080008009, 0x000000008000000A,\ |
|
|
413 |
0x000000008000808B, 0x800000000000008B, 0x8000000000008089,\ |
|
|
414 |
0x8000000000008003, 0x8000000000008002, 0x8000000000000080,\ |
|
|
415 |
0x000000000000800A, 0x800000008000000A, 0x8000000080008081,\ |
|
|
416 |
0x8000000000008080, 0x0000000080000001, 0x8000000080008008 |
|
|
417 |
|