332 lines
9.9 KiB
C
332 lines
9.9 KiB
C
#include "argon2-avx512f.h"
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#ifdef HAVE_AVX512F
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#include <stdint.h>
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#include <string.h>
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#ifdef __GNUC__
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# include <x86intrin.h>
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#else
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# include <intrin.h>
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#endif
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#include "cpu-flags.h"
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#define ror64(x, n) _mm512_ror_epi64((x), (n))
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static __m512i f(__m512i x, __m512i y)
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{
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__m512i z = _mm512_mul_epu32(x, y);
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return _mm512_add_epi64(_mm512_add_epi64(x, y), _mm512_add_epi64(z, z));
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}
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#define G1(A0, B0, C0, D0, A1, B1, C1, D1) \
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do { \
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A0 = f(A0, B0); \
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A1 = f(A1, B1); \
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\
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D0 = _mm512_xor_si512(D0, A0); \
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D1 = _mm512_xor_si512(D1, A1); \
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\
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D0 = ror64(D0, 32); \
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D1 = ror64(D1, 32); \
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\
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C0 = f(C0, D0); \
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C1 = f(C1, D1); \
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\
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B0 = _mm512_xor_si512(B0, C0); \
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B1 = _mm512_xor_si512(B1, C1); \
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\
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B0 = ror64(B0, 24); \
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B1 = ror64(B1, 24); \
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} while ((void)0, 0)
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#define G2(A0, B0, C0, D0, A1, B1, C1, D1) \
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do { \
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A0 = f(A0, B0); \
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A1 = f(A1, B1); \
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\
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D0 = _mm512_xor_si512(D0, A0); \
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D1 = _mm512_xor_si512(D1, A1); \
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\
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D0 = ror64(D0, 16); \
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D1 = ror64(D1, 16); \
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\
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C0 = f(C0, D0); \
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C1 = f(C1, D1); \
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\
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B0 = _mm512_xor_si512(B0, C0); \
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B1 = _mm512_xor_si512(B1, C1); \
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\
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B0 = ror64(B0, 63); \
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B1 = ror64(B1, 63); \
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} while ((void)0, 0)
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#define DIAGONALIZE(A0, B0, C0, D0, A1, B1, C1, D1) \
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do { \
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B0 = _mm512_permutex_epi64(B0, _MM_SHUFFLE(0, 3, 2, 1)); \
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B1 = _mm512_permutex_epi64(B1, _MM_SHUFFLE(0, 3, 2, 1)); \
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\
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C0 = _mm512_permutex_epi64(C0, _MM_SHUFFLE(1, 0, 3, 2)); \
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C1 = _mm512_permutex_epi64(C1, _MM_SHUFFLE(1, 0, 3, 2)); \
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\
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D0 = _mm512_permutex_epi64(D0, _MM_SHUFFLE(2, 1, 0, 3)); \
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D1 = _mm512_permutex_epi64(D1, _MM_SHUFFLE(2, 1, 0, 3)); \
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} while ((void)0, 0)
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#define UNDIAGONALIZE(A0, B0, C0, D0, A1, B1, C1, D1) \
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do { \
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B0 = _mm512_permutex_epi64(B0, _MM_SHUFFLE(2, 1, 0, 3)); \
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B1 = _mm512_permutex_epi64(B1, _MM_SHUFFLE(2, 1, 0, 3)); \
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\
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C0 = _mm512_permutex_epi64(C0, _MM_SHUFFLE(1, 0, 3, 2)); \
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C1 = _mm512_permutex_epi64(C1, _MM_SHUFFLE(1, 0, 3, 2)); \
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\
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D0 = _mm512_permutex_epi64(D0, _MM_SHUFFLE(0, 3, 2, 1)); \
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D1 = _mm512_permutex_epi64(D1, _MM_SHUFFLE(0, 3, 2, 1)); \
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} while ((void)0, 0)
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#define BLAKE2_ROUND(A0, B0, C0, D0, A1, B1, C1, D1) \
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do { \
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G1(A0, B0, C0, D0, A1, B1, C1, D1); \
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G2(A0, B0, C0, D0, A1, B1, C1, D1); \
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\
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DIAGONALIZE(A0, B0, C0, D0, A1, B1, C1, D1); \
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\
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G1(A0, B0, C0, D0, A1, B1, C1, D1); \
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G2(A0, B0, C0, D0, A1, B1, C1, D1); \
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\
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UNDIAGONALIZE(A0, B0, C0, D0, A1, B1, C1, D1); \
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} while ((void)0, 0)
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#define SWAP_HALVES(A0, A1) \
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do { \
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__m512i t0, t1; \
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t0 = _mm512_shuffle_i64x2(A0, A1, _MM_SHUFFLE(1, 0, 1, 0)); \
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t1 = _mm512_shuffle_i64x2(A0, A1, _MM_SHUFFLE(3, 2, 3, 2)); \
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A0 = t0; \
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A1 = t1; \
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} while((void)0, 0)
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#define SWAP_QUARTERS(A0, A1) \
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do { \
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SWAP_HALVES(A0, A1); \
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A0 = _mm512_permutexvar_epi64(_mm512_setr_epi64(0, 1, 4, 5, 2, 3, 6, 7), A0); \
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A1 = _mm512_permutexvar_epi64(_mm512_setr_epi64(0, 1, 4, 5, 2, 3, 6, 7), A1); \
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} while((void)0, 0)
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#define UNSWAP_QUARTERS(A0, A1) \
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do { \
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A0 = _mm512_permutexvar_epi64(_mm512_setr_epi64(0, 1, 4, 5, 2, 3, 6, 7), A0); \
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A1 = _mm512_permutexvar_epi64(_mm512_setr_epi64(0, 1, 4, 5, 2, 3, 6, 7), A1); \
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SWAP_HALVES(A0, A1); \
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} while((void)0, 0)
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#define BLAKE2_ROUND1(A0, C0, B0, D0, A1, C1, B1, D1) \
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do { \
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SWAP_HALVES(A0, B0); \
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SWAP_HALVES(C0, D0); \
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SWAP_HALVES(A1, B1); \
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SWAP_HALVES(C1, D1); \
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BLAKE2_ROUND(A0, B0, C0, D0, A1, B1, C1, D1); \
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SWAP_HALVES(A0, B0); \
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SWAP_HALVES(C0, D0); \
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SWAP_HALVES(A1, B1); \
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SWAP_HALVES(C1, D1); \
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} while ((void)0, 0)
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#define BLAKE2_ROUND2(A0, A1, B0, B1, C0, C1, D0, D1) \
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do { \
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SWAP_QUARTERS(A0, A1); \
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SWAP_QUARTERS(B0, B1); \
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SWAP_QUARTERS(C0, C1); \
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SWAP_QUARTERS(D0, D1); \
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BLAKE2_ROUND(A0, B0, C0, D0, A1, B1, C1, D1); \
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UNSWAP_QUARTERS(A0, A1); \
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UNSWAP_QUARTERS(B0, B1); \
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UNSWAP_QUARTERS(C0, C1); \
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UNSWAP_QUARTERS(D0, D1); \
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} while ((void)0, 0)
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enum {
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ARGON2_VECS_IN_BLOCK = ARGON2_OWORDS_IN_BLOCK / 4,
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};
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static void fill_block(__m512i *s, const block *ref_block, block *next_block,
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int with_xor)
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{
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__m512i block_XY[ARGON2_VECS_IN_BLOCK];
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unsigned int i;
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if (with_xor) {
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for (i = 0; i < ARGON2_VECS_IN_BLOCK; i++) {
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s[i] =_mm512_xor_si512(
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s[i], _mm512_loadu_si512((const __m512i *)ref_block->v + i));
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block_XY[i] = _mm512_xor_si512(
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s[i], _mm512_loadu_si512((const __m512i *)next_block->v + i));
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}
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} else {
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for (i = 0; i < ARGON2_VECS_IN_BLOCK; i++) {
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block_XY[i] = s[i] =_mm512_xor_si512(
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s[i], _mm512_loadu_si512((const __m512i *)ref_block->v + i));
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}
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}
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for (i = 0; i < 2; ++i) {
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BLAKE2_ROUND1(
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s[8 * i + 0], s[8 * i + 1], s[8 * i + 2], s[8 * i + 3],
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s[8 * i + 4], s[8 * i + 5], s[8 * i + 6], s[8 * i + 7]);
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}
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for (i = 0; i < 2; ++i) {
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BLAKE2_ROUND2(
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s[2 * 0 + i], s[2 * 1 + i], s[2 * 2 + i], s[2 * 3 + i],
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s[2 * 4 + i], s[2 * 5 + i], s[2 * 6 + i], s[2 * 7 + i]);
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}
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for (i = 0; i < ARGON2_VECS_IN_BLOCK; i++) {
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s[i] = _mm512_xor_si512(s[i], block_XY[i]);
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_mm512_storeu_si512((__m512i *)next_block->v + i, s[i]);
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}
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}
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static void next_addresses(block *address_block, block *input_block)
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{
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/*Temporary zero-initialized blocks*/
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__m512i zero_block[ARGON2_VECS_IN_BLOCK];
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__m512i zero2_block[ARGON2_VECS_IN_BLOCK];
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memset(zero_block, 0, sizeof(zero_block));
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memset(zero2_block, 0, sizeof(zero2_block));
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/*Increasing index counter*/
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input_block->v[6]++;
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/*First iteration of G*/
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fill_block(zero_block, input_block, address_block, 0);
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/*Second iteration of G*/
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fill_block(zero2_block, address_block, address_block, 0);
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}
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void fill_segment_avx512f(const argon2_instance_t *instance,
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argon2_position_t position)
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{
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block *ref_block = NULL, *curr_block = NULL;
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block address_block, input_block;
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uint64_t pseudo_rand, ref_index, ref_lane;
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uint32_t prev_offset, curr_offset;
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uint32_t starting_index, i;
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__m512i state[ARGON2_VECS_IN_BLOCK];
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int data_independent_addressing;
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if (instance == NULL) {
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return;
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}
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data_independent_addressing = (instance->type == Argon2_i) ||
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(instance->type == Argon2_id && (position.pass == 0) &&
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(position.slice < ARGON2_SYNC_POINTS / 2));
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if (data_independent_addressing) {
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init_block_value(&input_block, 0);
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input_block.v[0] = position.pass;
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input_block.v[1] = position.lane;
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input_block.v[2] = position.slice;
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input_block.v[3] = instance->memory_blocks;
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input_block.v[4] = instance->passes;
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input_block.v[5] = instance->type;
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}
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starting_index = 0;
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if ((0 == position.pass) && (0 == position.slice)) {
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starting_index = 2; /* we have already generated the first two blocks */
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/* Don't forget to generate the first block of addresses: */
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if (data_independent_addressing) {
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next_addresses(&address_block, &input_block);
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}
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}
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/* Offset of the current block */
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curr_offset = position.lane * instance->lane_length +
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position.slice * instance->segment_length + starting_index;
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if (0 == curr_offset % instance->lane_length) {
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/* Last block in this lane */
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prev_offset = curr_offset + instance->lane_length - 1;
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} else {
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/* Previous block */
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prev_offset = curr_offset - 1;
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}
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memcpy(state, ((instance->memory + prev_offset)->v), ARGON2_BLOCK_SIZE);
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for (i = starting_index; i < instance->segment_length;
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++i, ++curr_offset, ++prev_offset) {
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/*1.1 Rotating prev_offset if needed */
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if (curr_offset % instance->lane_length == 1) {
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prev_offset = curr_offset - 1;
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}
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/* 1.2 Computing the index of the reference block */
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/* 1.2.1 Taking pseudo-random value from the previous block */
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if (data_independent_addressing) {
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if (i % ARGON2_ADDRESSES_IN_BLOCK == 0) {
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next_addresses(&address_block, &input_block);
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}
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pseudo_rand = address_block.v[i % ARGON2_ADDRESSES_IN_BLOCK];
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} else {
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pseudo_rand = instance->memory[prev_offset].v[0];
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}
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/* 1.2.2 Computing the lane of the reference block */
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ref_lane = ((pseudo_rand >> 32)) % instance->lanes;
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if ((position.pass == 0) && (position.slice == 0)) {
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/* Can not reference other lanes yet */
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ref_lane = position.lane;
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}
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/* 1.2.3 Computing the number of possible reference block within the
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* lane.
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*/
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position.index = i;
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ref_index = index_alpha(instance, &position, pseudo_rand & 0xFFFFFFFF,
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ref_lane == position.lane);
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/* 2 Creating a new block */
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ref_block =
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instance->memory + instance->lane_length * ref_lane + ref_index;
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curr_block = instance->memory + curr_offset;
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/* version 1.2.1 and earlier: overwrite, not XOR */
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if (0 == position.pass || ARGON2_VERSION_10 == instance->version) {
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fill_block(state, ref_block, curr_block, 0);
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} else {
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fill_block(state, ref_block, curr_block, 1);
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}
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}
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}
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int check_avx512f(void)
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{
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return cpu_flags_have_avx512f();
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}
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#else
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void fill_segment_avx512f(const argon2_instance_t *instance,
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argon2_position_t position)
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{
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}
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int check_avx512f(void)
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{
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return 0;
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}
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#endif
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