d3f98ef7bc
- Optimized soft AES code, up to +30% hashrate on CPU without AES support - Added prefetch for the first dataset access, up to +0.1% hashrate
111 lines
3.4 KiB
C++
111 lines
3.4 KiB
C++
/*
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Copyright (c) 2018-2019, tevador <tevador@gmail.com>
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Copyright (c) 2019 SChernykh <https://github.com/SChernykh>
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All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are met:
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* Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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* Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in the
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documentation and/or other materials provided with the distribution.
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* Neither the name of the copyright holder nor the
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names of its contributors may be used to endorse or promote products
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derived from this software without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#pragma once
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#include <stdint.h>
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#include "crypto/randomx/intrin_portable.h"
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extern uint32_t lutEnc0[256];
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extern uint32_t lutEnc1[256];
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extern uint32_t lutEnc2[256];
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extern uint32_t lutEnc3[256];
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extern uint32_t lutDec0[256];
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extern uint32_t lutDec1[256];
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extern uint32_t lutDec2[256];
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extern uint32_t lutDec3[256];
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template<bool soft> rx_vec_i128 aesenc(rx_vec_i128 in, rx_vec_i128 key);
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template<bool soft> rx_vec_i128 aesdec(rx_vec_i128 in, rx_vec_i128 key);
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template<>
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FORCE_INLINE rx_vec_i128 aesenc<true>(rx_vec_i128 in, rx_vec_i128 key) {
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volatile uint8_t s[16];
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memcpy((void*) s, &in, 16);
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uint32_t s0 = lutEnc0[s[ 0]];
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uint32_t s1 = lutEnc0[s[ 4]];
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uint32_t s2 = lutEnc0[s[ 8]];
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uint32_t s3 = lutEnc0[s[12]];
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s0 ^= lutEnc1[s[ 5]];
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s1 ^= lutEnc1[s[ 9]];
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s2 ^= lutEnc1[s[13]];
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s3 ^= lutEnc1[s[ 1]];
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s0 ^= lutEnc2[s[10]];
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s1 ^= lutEnc2[s[14]];
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s2 ^= lutEnc2[s[ 2]];
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s3 ^= lutEnc2[s[ 6]];
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s0 ^= lutEnc3[s[15]];
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s1 ^= lutEnc3[s[ 3]];
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s2 ^= lutEnc3[s[ 7]];
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s3 ^= lutEnc3[s[11]];
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return rx_xor_vec_i128(rx_set_int_vec_i128(s3, s2, s1, s0), key);
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}
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template<>
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FORCE_INLINE rx_vec_i128 aesdec<true>(rx_vec_i128 in, rx_vec_i128 key) {
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volatile uint8_t s[16];
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memcpy((void*) s, &in, 16);
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uint32_t s0 = lutDec0[s[ 0]];
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uint32_t s1 = lutDec0[s[ 4]];
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uint32_t s2 = lutDec0[s[ 8]];
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uint32_t s3 = lutDec0[s[12]];
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s0 ^= lutDec1[s[13]];
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s1 ^= lutDec1[s[ 1]];
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s2 ^= lutDec1[s[ 5]];
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s3 ^= lutDec1[s[ 9]];
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s0 ^= lutDec2[s[10]];
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s1 ^= lutDec2[s[14]];
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s2 ^= lutDec2[s[ 2]];
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s3 ^= lutDec2[s[ 6]];
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s0 ^= lutDec3[s[ 7]];
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s1 ^= lutDec3[s[11]];
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s2 ^= lutDec3[s[15]];
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s3 ^= lutDec3[s[ 3]];
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return rx_xor_vec_i128(rx_set_int_vec_i128(s3, s2, s1, s0), key);
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}
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template<>
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FORCE_INLINE rx_vec_i128 aesenc<false>(rx_vec_i128 in, rx_vec_i128 key) {
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return rx_aesenc_vec_i128(in, key);
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}
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template<>
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FORCE_INLINE rx_vec_i128 aesdec<false>(rx_vec_i128 in, rx_vec_i128 key) {
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return rx_aesdec_vec_i128(in, key);
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}
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