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143 lines
4.9 KiB
C
143 lines
4.9 KiB
C
/* XMRig
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* Copyright 2010 Jeff Garzik <jgarzik@pobox.com>
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* Copyright 2012-2014 pooler <pooler@litecoinpool.org>
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* Copyright 2014 Lucas Jones <https://github.com/lucasjones>
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* Copyright 2014-2016 Wolf9466 <https://github.com/OhGodAPet>
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* Copyright 2016 Jay D Dee <jayddee246@gmail.com>
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* Copyright 2017 fireice-uk <https://github.com/fireice-uk>
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* Copyright 2017-2018 XMR-Stak <https://github.com/fireice-uk>, <https://github.com/psychocrypt>
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* Copyright 2018 Lee Clagett <https://github.com/vtnerd>
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* Copyright 2018-2019 SChernykh <https://github.com/SChernykh>
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* Copyright 2016-2019 XMRig <https://github.com/xmrig>, <support@xmrig.com>
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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 <http://www.gnu.org/licenses/>.
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*/
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#include <x86intrin.h>
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#include <string.h>
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#include "crypto/c_keccak.h"
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#include "cryptonight.h"
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#include "cryptonight_monero.h"
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#include "cryptonight_softaes.h"
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void cryptonight_r_av4(const uint8_t *restrict input, size_t size, uint8_t *restrict output, struct cryptonight_ctx **restrict ctx)
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{
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keccak(input, size, ctx[0]->state, 200);
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keccak(input + size, size, ctx[1]->state, 200);
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const uint8_t* l0 = ctx[0]->memory;
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const uint8_t* l1 = ctx[1]->memory;
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uint64_t* h0 = (uint64_t*) ctx[0]->state;
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uint64_t* h1 = (uint64_t*) ctx[1]->state;
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VARIANT2_INIT(0);
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VARIANT2_INIT(1);
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VARIANT2_SET_ROUNDING_MODE();
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VARIANT4_RANDOM_MATH_INIT(0);
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VARIANT4_RANDOM_MATH_INIT(1);
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cn_explode_scratchpad((__m128i*) h0, (__m128i*) l0);
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cn_explode_scratchpad((__m128i*) h1, (__m128i*) l1);
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uint64_t al0 = h0[0] ^ h0[4];
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uint64_t al1 = h1[0] ^ h1[4];
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uint64_t ah0 = h0[1] ^ h0[5];
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uint64_t ah1 = h1[1] ^ h1[5];
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__m128i bx00 = _mm_set_epi64x(h0[3] ^ h0[7], h0[2] ^ h0[6]);
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__m128i bx01 = _mm_set_epi64x(h0[9] ^ h0[11], h0[8] ^ h0[10]);
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__m128i bx10 = _mm_set_epi64x(h1[3] ^ h1[7], h1[2] ^ h1[6]);
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__m128i bx11 = _mm_set_epi64x(h1[9] ^ h1[11], h1[8] ^ h1[10]);
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uint64_t idx0 = al0;
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uint64_t idx1 = al1;
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for (size_t i = 0; __builtin_expect(i < 0x80000, 1); i++) {
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__m128i cx0 = _mm_load_si128((__m128i *) &l0[idx0 & 0x1FFFF0]);
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__m128i cx1 = _mm_load_si128((__m128i *) &l1[idx1 & 0x1FFFF0]);
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const __m128i ax0 = _mm_set_epi64x(ah0, al0);
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const __m128i ax1 = _mm_set_epi64x(ah1, al1);
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cx0 = soft_aesenc(cx0, ax0);
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cx1 = soft_aesenc(cx1, ax1);
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VARIANT4_SHUFFLE(l0, idx0 & 0x1FFFF0, ax0, bx00, bx01, cx0);
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_mm_store_si128((__m128i *) &l0[idx0 & 0x1FFFF0], _mm_xor_si128(bx00, cx0));
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VARIANT4_SHUFFLE(l1, idx1 & 0x1FFFF0, ax1, bx10, bx11, cx1);
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_mm_store_si128((__m128i *) &l1[idx1 & 0x1FFFF0], _mm_xor_si128(bx10, cx1));
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idx0 = _mm_cvtsi128_si64(cx0);
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idx1 = _mm_cvtsi128_si64(cx1);
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uint64_t hi, lo, cl, ch;
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cl = ((uint64_t*) &l0[idx0 & 0x1FFFF0])[0];
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ch = ((uint64_t*) &l0[idx0 & 0x1FFFF0])[1];
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VARIANT4_RANDOM_MATH(0, al0, ah0, cl, bx00, bx01);
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al0 ^= r0[2] | ((uint64_t)(r0[3]) << 32);
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ah0 ^= r0[0] | ((uint64_t)(r0[1]) << 32);
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lo = _umul128(idx0, cl, &hi);
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VARIANT4_SHUFFLE(l0, idx0 & 0x1FFFF0, ax0, bx00, bx01, cx0);
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al0 += hi;
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ah0 += lo;
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((uint64_t*)&l0[idx0 & 0x1FFFF0])[0] = al0;
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((uint64_t*)&l0[idx0 & 0x1FFFF0])[1] = ah0;
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al0 ^= cl;
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ah0 ^= ch;
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idx0 = al0;
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cl = ((uint64_t*) &l1[idx1 & 0x1FFFF0])[0];
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ch = ((uint64_t*) &l1[idx1 & 0x1FFFF0])[1];
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VARIANT4_RANDOM_MATH(1, al1, ah1, cl, bx10, bx11);
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al1 ^= r1[2] | ((uint64_t)(r1[3]) << 32);
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ah1 ^= r1[0] | ((uint64_t)(r1[1]) << 32);
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lo = _umul128(idx1, cl, &hi);
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VARIANT4_SHUFFLE(l1, idx1 & 0x1FFFF0, ax1, bx10, bx11, cx1);
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al1 += hi;
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ah1 += lo;
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((uint64_t*)&l1[idx1 & 0x1FFFF0])[0] = al1;
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((uint64_t*)&l1[idx1 & 0x1FFFF0])[1] = ah1;
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al1 ^= cl;
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ah1 ^= ch;
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idx1 = al1;
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bx01 = bx00;
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bx11 = bx10;
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bx00 = cx0;
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bx10 = cx1;
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}
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cn_implode_scratchpad((__m128i*) l0, (__m128i*) h0);
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cn_implode_scratchpad((__m128i*) l1, (__m128i*) h1);
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keccakf(h0, 24);
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keccakf(h1, 24);
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extra_hashes[ctx[0]->state[0] & 3](ctx[0]->state, 200, output);
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extra_hashes[ctx[1]->state[0] & 3](ctx[1]->state, 200, output + 32);
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}
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