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#pragma once
#include <emmintrin.h>
#include "blake2b.h"
#include <library/cpp/digest/argonish/internal/rotations/rotations_sse2.h>
namespace NArgonish {
template <>
void* TBlake2B<EInstructionSet::SSE2>::GetIV_() const {
static const __m128i Iv[4] = {
_mm_set_epi64x(0xbb67ae8584caa73bULL, 0x6a09e667f3bcc908ULL),
_mm_set_epi64x(0xa54ff53a5f1d36f1ULL, 0x3c6ef372fe94f82bULL),
_mm_set_epi64x(0x9b05688c2b3e6c1fULL, 0x510e527fade682d1ULL),
_mm_set_epi64x(0x5be0cd19137e2179ULL, 0x1f83d9abfb41bd6bULL)};
return (void*)Iv;
}
static const ui32 Sigma[12][16] = {
{0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15},
{14, 10, 4, 8, 9, 15, 13, 6, 1, 12, 0, 2, 11, 7, 5, 3},
{11, 8, 12, 0, 5, 2, 15, 13, 10, 14, 3, 6, 7, 1, 9, 4},
{7, 9, 3, 1, 13, 12, 11, 14, 2, 6, 5, 10, 4, 0, 15, 8},
{9, 0, 5, 7, 2, 4, 10, 15, 14, 1, 11, 12, 6, 8, 3, 13},
{2, 12, 6, 10, 0, 11, 8, 3, 4, 13, 7, 5, 15, 14, 1, 9},
{12, 5, 1, 15, 14, 13, 4, 10, 0, 7, 6, 3, 9, 2, 8, 11},
{13, 11, 7, 14, 12, 1, 3, 9, 5, 0, 15, 4, 8, 6, 2, 10},
{6, 15, 14, 9, 11, 3, 0, 8, 12, 2, 13, 7, 1, 4, 10, 5},
{10, 2, 8, 4, 7, 6, 1, 5, 15, 11, 9, 14, 3, 12, 13, 0},
{0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15},
{14, 10, 4, 8, 9, 15, 13, 6, 1, 12, 0, 2, 11, 7, 5, 3}};
static inline void G1(
__m128i& row1l, __m128i& row2l, __m128i& row3l, __m128i& row4l,
__m128i& row1h, __m128i& row2h, __m128i& row3h, __m128i& row4h,
__m128i& b0, __m128i& b1) {
row1l = _mm_add_epi64(_mm_add_epi64(row1l, b0), row2l);
row1h = _mm_add_epi64(_mm_add_epi64(row1h, b1), row2h);
row4l = _mm_xor_si128(row4l, row1l);
row4h = _mm_xor_si128(row4h, row1h);
row4l = Rotr32(row4l);
row4h = Rotr32(row4h);
row3l = _mm_add_epi64(row3l, row4l);
row3h = _mm_add_epi64(row3h, row4h);
row2l = _mm_xor_si128(row2l, row3l);
row2h = _mm_xor_si128(row2h, row3h);
row2l = Rotr24(row2l);
row2h = Rotr24(row2h);
}
static inline void G2(
__m128i& row1l, __m128i& row2l, __m128i& row3l, __m128i& row4l,
__m128i& row1h, __m128i& row2h, __m128i& row3h, __m128i& row4h,
__m128i& b0, __m128i& b1) {
row1l = _mm_add_epi64(_mm_add_epi64(row1l, b0), row2l);
row1h = _mm_add_epi64(_mm_add_epi64(row1h, b1), row2h);
row4l = _mm_xor_si128(row4l, row1l);
row4h = _mm_xor_si128(row4h, row1h);
row4l = Rotr16(row4l);
row4h = Rotr16(row4h);
row3l = _mm_add_epi64(row3l, row4l);
row3h = _mm_add_epi64(row3h, row4h);
row2l = _mm_xor_si128(row2l, row3l);
row2h = _mm_xor_si128(row2h, row3h);
row2l = Rotr63(row2l);
row2h = Rotr63(row2h);
}
static inline void Diagonalize(
__m128i& row2l, __m128i& row3l, __m128i& row4l,
__m128i& row2h, __m128i& row3h, __m128i& row4h) {
__m128i t0 = row4l;
__m128i t1 = row2l;
row4l = row3l;
row3l = row3h;
row3h = row4l;
row4l = _mm_unpackhi_epi64(row4h, _mm_unpacklo_epi64(t0, t0));
row4h = _mm_unpackhi_epi64(t0, _mm_unpacklo_epi64(row4h, row4h));
row2l = _mm_unpackhi_epi64(row2l, _mm_unpacklo_epi64(row2h, row2h));
row2h = _mm_unpackhi_epi64(row2h, _mm_unpacklo_epi64(t1, t1));
}
static inline void Undiagonalize(
__m128i& row2l, __m128i& row3l, __m128i& row4l,
__m128i& row2h, __m128i& row3h, __m128i& row4h) {
__m128i t0 = row3l;
row3l = row3h;
row3h = t0;
t0 = row2l;
__m128i t1 = row4l;
row2l = _mm_unpackhi_epi64(row2h, _mm_unpacklo_epi64(row2l, row2l));
row2h = _mm_unpackhi_epi64(t0, _mm_unpacklo_epi64(row2h, row2h));
row4l = _mm_unpackhi_epi64(row4l, _mm_unpacklo_epi64(row4h, row4h));
row4h = _mm_unpackhi_epi64(row4h, _mm_unpacklo_epi64(t1, t1));
}
static inline void Round(int r, const ui64* block_ptr,
__m128i& row1l, __m128i& row2l, __m128i& row3l, __m128i& row4l,
__m128i& row1h, __m128i& row2h, __m128i& row3h, __m128i& row4h) {
__m128i b0, b1;
b0 = _mm_set_epi64x(block_ptr[Sigma[r][2]], block_ptr[Sigma[r][0]]);
b1 = _mm_set_epi64x(block_ptr[Sigma[r][6]], block_ptr[Sigma[r][4]]);
G1(row1l, row2l, row3l, row4l, row1h, row2h, row3h, row4h, b0, b1);
b0 = _mm_set_epi64x(block_ptr[Sigma[r][3]], block_ptr[Sigma[r][1]]);
b1 = _mm_set_epi64x(block_ptr[Sigma[r][7]], block_ptr[Sigma[r][5]]);
G2(row1l, row2l, row3l, row4l, row1h, row2h, row3h, row4h, b0, b1);
Diagonalize(row2l, row3l, row4l, row2h, row3h, row4h);
b0 = _mm_set_epi64x(block_ptr[Sigma[r][10]], block_ptr[Sigma[r][8]]);
b1 = _mm_set_epi64x(block_ptr[Sigma[r][14]], block_ptr[Sigma[r][12]]);
G1(row1l, row2l, row3l, row4l, row1h, row2h, row3h, row4h, b0, b1);
b0 = _mm_set_epi64x(block_ptr[Sigma[r][11]], block_ptr[Sigma[r][9]]);
b1 = _mm_set_epi64x(block_ptr[Sigma[r][15]], block_ptr[Sigma[r][13]]);
G2(row1l, row2l, row3l, row4l, row1h, row2h, row3h, row4h, b0, b1);
Undiagonalize(row2l, row3l, row4l, row2h, row3h, row4h);
}
template <>
void TBlake2B<EInstructionSet::SSE2>::InitialXor_(ui8* h, const ui8* p) {
__m128i* m_res = (__m128i*)h;
const __m128i* m_p = (__m128i*)p;
__m128i* iv = (__m128i*)GetIV_();
_mm_storeu_si128(m_res + 0, _mm_xor_si128(iv[0], _mm_loadu_si128(m_p + 0)));
_mm_storeu_si128(m_res + 1, _mm_xor_si128(iv[1], _mm_loadu_si128(m_p + 1)));
_mm_storeu_si128(m_res + 2, _mm_xor_si128(iv[2], _mm_loadu_si128(m_p + 2)));
_mm_storeu_si128(m_res + 3, _mm_xor_si128(iv[3], _mm_loadu_si128(m_p + 3)));
}
template <>
void TBlake2B<EInstructionSet::SSE2>::Compress_(const ui64 block[BLAKE2B_BLOCKQWORDS]) {
__m128i* iv = (__m128i*)GetIV_();
__m128i row1l = _mm_loadu_si128((__m128i*)&State_.H[0]);
__m128i row1h = _mm_loadu_si128((__m128i*)&State_.H[2]);
__m128i row2l = _mm_loadu_si128((__m128i*)&State_.H[4]);
__m128i row2h = _mm_loadu_si128((__m128i*)&State_.H[6]);
__m128i row3l = iv[0];
__m128i row3h = iv[1];
__m128i row4l = _mm_xor_si128(iv[2], _mm_loadu_si128((__m128i*)&State_.T[0]));
__m128i row4h = _mm_xor_si128(iv[3], _mm_loadu_si128((__m128i*)&State_.F[0]));
for (int r = 0; r < 12; r++)
Round(r, block, row1l, row2l, row3l, row4l, row1h, row2h, row3h, row4h);
_mm_storeu_si128((__m128i*)&State_.H[0],
_mm_xor_si128(_mm_loadu_si128((__m128i*)&State_.H[0]), _mm_xor_si128(row3l, row1l)));
_mm_storeu_si128((__m128i*)&State_.H[2],
_mm_xor_si128(_mm_loadu_si128((__m128i*)&State_.H[2]), _mm_xor_si128(row3h, row1h)));
_mm_storeu_si128((__m128i*)&State_.H[4],
_mm_xor_si128(_mm_loadu_si128((__m128i*)&State_.H[4]), _mm_xor_si128(row4l, row2l)));
_mm_storeu_si128((__m128i*)&State_.H[6],
_mm_xor_si128(_mm_loadu_si128((__m128i*)&State_.H[6]), _mm_xor_si128(row4h, row2h)));
}
}
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