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sha256_arm_shani.cpp
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899 lines (810 loc) · 32.5 KB
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// Copyright (c) 2022 The Bitcoin Core developers
// Distributed under the MIT software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
//
// Based on https://github.com/noloader/SHA-Intrinsics/blob/master/sha256-arm.c,
// Written and placed in public domain by Jeffrey Walton.
// Based on code from ARM, and by Johannes Schneiders, Skip Hovsmith and
// Barry O'Rourke for the mbedTLS project.
// Variant specialized for 64-byte inputs added by Pieter Wuille.
#ifdef ENABLE_ARM_SHANI
#include <array>
#include <cstdint>
#include <cstddef>
#include <arm_acle.h>
#include <arm_neon.h>
namespace {
alignas(uint32x4_t) static constexpr std::array<uint32_t, 64> K =
{
0x428A2F98, 0x71374491, 0xB5C0FBCF, 0xE9B5DBA5,
0x3956C25B, 0x59F111F1, 0x923F82A4, 0xAB1C5ED5,
0xD807AA98, 0x12835B01, 0x243185BE, 0x550C7DC3,
0x72BE5D74, 0x80DEB1FE, 0x9BDC06A7, 0xC19BF174,
0xE49B69C1, 0xEFBE4786, 0x0FC19DC6, 0x240CA1CC,
0x2DE92C6F, 0x4A7484AA, 0x5CB0A9DC, 0x76F988DA,
0x983E5152, 0xA831C66D, 0xB00327C8, 0xBF597FC7,
0xC6E00BF3, 0xD5A79147, 0x06CA6351, 0x14292967,
0x27B70A85, 0x2E1B2138, 0x4D2C6DFC, 0x53380D13,
0x650A7354, 0x766A0ABB, 0x81C2C92E, 0x92722C85,
0xA2BFE8A1, 0xA81A664B, 0xC24B8B70, 0xC76C51A3,
0xD192E819, 0xD6990624, 0xF40E3585, 0x106AA070,
0x19A4C116, 0x1E376C08, 0x2748774C, 0x34B0BCB5,
0x391C0CB3, 0x4ED8AA4A, 0x5B9CCA4F, 0x682E6FF3,
0x748F82EE, 0x78A5636F, 0x84C87814, 0x8CC70208,
0x90BEFFFA, 0xA4506CEB, 0xBEF9A3F7, 0xC67178F2,
};
}
namespace sha256_arm_shani {
void Transform(uint32_t* s, const unsigned char* chunk, size_t blocks)
{
uint32x4_t STATE0, STATE1, ABEF_SAVE, CDGH_SAVE;
uint32x4_t MSG0, MSG1, MSG2, MSG3;
uint32x4_t TMP0, TMP2;
// Load state
STATE0 = vld1q_u32(&s[0]);
STATE1 = vld1q_u32(&s[4]);
while (blocks--)
{
// Save state
ABEF_SAVE = STATE0;
CDGH_SAVE = STATE1;
// Load and convert input chunk to Big Endian
MSG0 = vreinterpretq_u32_u8(vrev32q_u8(vld1q_u8(chunk + 0)));
MSG1 = vreinterpretq_u32_u8(vrev32q_u8(vld1q_u8(chunk + 16)));
MSG2 = vreinterpretq_u32_u8(vrev32q_u8(vld1q_u8(chunk + 32)));
MSG3 = vreinterpretq_u32_u8(vrev32q_u8(vld1q_u8(chunk + 48)));
chunk += 64;
// Original implementation preloaded message and constant addition which was 1-3% slower.
// Now included as first step in quad round code saving one Q Neon register
// "TMP0 = vaddq_u32(MSG0, vld1q_u32(&K[0]));"
// Rounds 1-4
TMP0 = vaddq_u32(MSG0, vld1q_u32(&K[0]));
TMP2 = STATE0;
MSG0 = vsha256su0q_u32(MSG0, MSG1);
STATE0 = vsha256hq_u32(STATE0, STATE1, TMP0);
STATE1 = vsha256h2q_u32(STATE1, TMP2, TMP0);
MSG0 = vsha256su1q_u32(MSG0, MSG2, MSG3);
// Rounds 5-8
TMP0 = vaddq_u32(MSG1, vld1q_u32(&K[4]));
TMP2 = STATE0;
MSG1 = vsha256su0q_u32(MSG1, MSG2);
STATE0 = vsha256hq_u32(STATE0, STATE1, TMP0);
STATE1 = vsha256h2q_u32(STATE1, TMP2, TMP0);
MSG1 = vsha256su1q_u32(MSG1, MSG3, MSG0);
// Rounds 9-12
TMP0 = vaddq_u32(MSG2, vld1q_u32(&K[8]));
TMP2 = STATE0;
MSG2 = vsha256su0q_u32(MSG2, MSG3);
STATE0 = vsha256hq_u32(STATE0, STATE1, TMP0);
STATE1 = vsha256h2q_u32(STATE1, TMP2, TMP0);
MSG2 = vsha256su1q_u32(MSG2, MSG0, MSG1);
// Rounds 13-16
TMP0 = vaddq_u32(MSG3, vld1q_u32(&K[12]));
TMP2 = STATE0;
MSG3 = vsha256su0q_u32(MSG3, MSG0);
STATE0 = vsha256hq_u32(STATE0, STATE1, TMP0);
STATE1 = vsha256h2q_u32(STATE1, TMP2, TMP0);
MSG3 = vsha256su1q_u32(MSG3, MSG1, MSG2);
// Rounds 17-20
TMP0 = vaddq_u32(MSG0, vld1q_u32(&K[16]));
TMP2 = STATE0;
MSG0 = vsha256su0q_u32(MSG0, MSG1);
STATE0 = vsha256hq_u32(STATE0, STATE1, TMP0);
STATE1 = vsha256h2q_u32(STATE1, TMP2, TMP0);
MSG0 = vsha256su1q_u32(MSG0, MSG2, MSG3);
// Rounds 21-24
TMP0 = vaddq_u32(MSG1, vld1q_u32(&K[20]));
TMP2 = STATE0;
MSG1 = vsha256su0q_u32(MSG1, MSG2);
STATE0 = vsha256hq_u32(STATE0, STATE1, TMP0);
STATE1 = vsha256h2q_u32(STATE1, TMP2, TMP0);
MSG1 = vsha256su1q_u32(MSG1, MSG3, MSG0);
// Rounds 25-28
TMP0 = vaddq_u32(MSG2, vld1q_u32(&K[24]));
TMP2 = STATE0;
MSG2 = vsha256su0q_u32(MSG2, MSG3);
STATE0 = vsha256hq_u32(STATE0, STATE1, TMP0);
STATE1 = vsha256h2q_u32(STATE1, TMP2, TMP0);
MSG2 = vsha256su1q_u32(MSG2, MSG0, MSG1);
// Rounds 29-32
TMP0 = vaddq_u32(MSG3, vld1q_u32(&K[28]));
TMP2 = STATE0;
MSG3 = vsha256su0q_u32(MSG3, MSG0);
STATE0 = vsha256hq_u32(STATE0, STATE1, TMP0);
STATE1 = vsha256h2q_u32(STATE1, TMP2, TMP0);
MSG3 = vsha256su1q_u32(MSG3, MSG1, MSG2);
// Rounds 33-36
TMP0 = vaddq_u32(MSG0, vld1q_u32(&K[32]));
TMP2 = STATE0;
MSG0 = vsha256su0q_u32(MSG0, MSG1);
STATE0 = vsha256hq_u32(STATE0, STATE1, TMP0);
STATE1 = vsha256h2q_u32(STATE1, TMP2, TMP0);
MSG0 = vsha256su1q_u32(MSG0, MSG2, MSG3);
// Rounds 37-40
TMP0 = vaddq_u32(MSG1, vld1q_u32(&K[36]));
TMP2 = STATE0;
MSG1 = vsha256su0q_u32(MSG1, MSG2);
STATE0 = vsha256hq_u32(STATE0, STATE1, TMP0);
STATE1 = vsha256h2q_u32(STATE1, TMP2, TMP0);
MSG1 = vsha256su1q_u32(MSG1, MSG3, MSG0);
// Rounds 41-44
TMP0 = vaddq_u32(MSG2, vld1q_u32(&K[40]));
TMP2 = STATE0;
MSG2 = vsha256su0q_u32(MSG2, MSG3);
STATE0 = vsha256hq_u32(STATE0, STATE1, TMP0);
STATE1 = vsha256h2q_u32(STATE1, TMP2, TMP0);
MSG2 = vsha256su1q_u32(MSG2, MSG0, MSG1);
// Rounds 45-48
TMP0 = vaddq_u32(MSG3, vld1q_u32(&K[44]));
TMP2 = STATE0;
MSG3 = vsha256su0q_u32(MSG3, MSG0);
STATE0 = vsha256hq_u32(STATE0, STATE1, TMP0);
STATE1 = vsha256h2q_u32(STATE1, TMP2, TMP0);
MSG3 = vsha256su1q_u32(MSG3, MSG1, MSG2);
// Rounds 49-52
TMP0 = vaddq_u32(MSG0, vld1q_u32(&K[48]));
TMP2 = STATE0;
STATE0 = vsha256hq_u32(STATE0, STATE1, TMP0);
STATE1 = vsha256h2q_u32(STATE1, TMP2, TMP0);
// Rounds 53-56
TMP0 = vaddq_u32(MSG1, vld1q_u32(&K[52]));
TMP2 = STATE0;
STATE0 = vsha256hq_u32(STATE0, STATE1, TMP0);
STATE1 = vsha256h2q_u32(STATE1, TMP2, TMP0);
// Rounds 57-60
TMP0 = vaddq_u32(MSG2, vld1q_u32(&K[56]));
TMP2 = STATE0;
STATE0 = vsha256hq_u32(STATE0, STATE1, TMP0);
STATE1 = vsha256h2q_u32(STATE1, TMP2, TMP0);
// Rounds 61-64
TMP0 = vaddq_u32(MSG3, vld1q_u32(&K[60]));
TMP2 = STATE0;
STATE0 = vsha256hq_u32(STATE0, STATE1, TMP0);
STATE1 = vsha256h2q_u32(STATE1, TMP2, TMP0);
// Update state
STATE0 = vaddq_u32(STATE0, ABEF_SAVE);
STATE1 = vaddq_u32(STATE1, CDGH_SAVE);
}
// Save final state
vst1q_u32(&s[0], STATE0);
vst1q_u32(&s[4], STATE1);
}
}
namespace sha256d64_arm_shani {
void Transform_2way(unsigned char* output, const unsigned char* input)
{
/* Initial state. */
alignas(uint32x4_t) static constexpr std::array<uint32_t, 8> INIT = {
0x6a09e667, 0xbb67ae85, 0x3c6ef372, 0xa54ff53a,
0x510e527f, 0x9b05688c, 0x1f83d9ab, 0x5be0cd19
};
/* Precomputed message schedule for the 2nd transform. */
alignas(uint32x4_t) static constexpr std::array<uint32_t, 64> MIDS = {
0xc28a2f98, 0x71374491, 0xb5c0fbcf, 0xe9b5dba5,
0x3956c25b, 0x59f111f1, 0x923f82a4, 0xab1c5ed5,
0xd807aa98, 0x12835b01, 0x243185be, 0x550c7dc3,
0x72be5d74, 0x80deb1fe, 0x9bdc06a7, 0xc19bf374,
0x649b69c1, 0xf0fe4786, 0x0fe1edc6, 0x240cf254,
0x4fe9346f, 0x6cc984be, 0x61b9411e, 0x16f988fa,
0xf2c65152, 0xa88e5a6d, 0xb019fc65, 0xb9d99ec7,
0x9a1231c3, 0xe70eeaa0, 0xfdb1232b, 0xc7353eb0,
0x3069bad5, 0xcb976d5f, 0x5a0f118f, 0xdc1eeefd,
0x0a35b689, 0xde0b7a04, 0x58f4ca9d, 0xe15d5b16,
0x007f3e86, 0x37088980, 0xa507ea32, 0x6fab9537,
0x17406110, 0x0d8cd6f1, 0xcdaa3b6d, 0xc0bbbe37,
0x83613bda, 0xdb48a363, 0x0b02e931, 0x6fd15ca7,
0x521afaca, 0x31338431, 0x6ed41a95, 0x6d437890,
0xc39c91f2, 0x9eccabbd, 0xb5c9a0e6, 0x532fb63c,
0xd2c741c6, 0x07237ea3, 0xa4954b68, 0x4c191d76
};
/* A few precomputed message schedule values for the 3rd transform. */
alignas(uint32x4_t) static constexpr std::array<uint32_t, 12> FINS = {
0x5807aa98, 0x12835b01, 0x243185be, 0x550c7dc3,
0x80000000, 0x00000000, 0x00000000, 0x00000000,
0x72be5d74, 0x80deb1fe, 0x9bdc06a7, 0xc19bf274
};
/* Padding processed in the 3rd transform (byteswapped). */
alignas(uint32x4_t) static constexpr std::array<uint32_t, 8> FINAL = {0x80000000, 0, 0, 0, 0, 0, 0, 0x100};
uint32x4_t STATE0A, STATE0B, STATE1A, STATE1B, ABEF_SAVEA, ABEF_SAVEB, CDGH_SAVEA, CDGH_SAVEB;
uint32x4_t MSG0A, MSG0B, MSG1A, MSG1B, MSG2A, MSG2B, MSG3A, MSG3B;
uint32x4_t TMP0A, TMP0B, TMP2A, TMP2B, TMP;
// Transform 1: Load state
STATE0A = vld1q_u32(&INIT[0]);
STATE0B = STATE0A;
STATE1A = vld1q_u32(&INIT[4]);
STATE1B = STATE1A;
// Transform 1: Load and convert input chunk to Big Endian
MSG0A = vreinterpretq_u32_u8(vrev32q_u8(vld1q_u8(input + 0)));
MSG1A = vreinterpretq_u32_u8(vrev32q_u8(vld1q_u8(input + 16)));
MSG2A = vreinterpretq_u32_u8(vrev32q_u8(vld1q_u8(input + 32)));
MSG3A = vreinterpretq_u32_u8(vrev32q_u8(vld1q_u8(input + 48)));
MSG0B = vreinterpretq_u32_u8(vrev32q_u8(vld1q_u8(input + 64)));
MSG1B = vreinterpretq_u32_u8(vrev32q_u8(vld1q_u8(input + 80)));
MSG2B = vreinterpretq_u32_u8(vrev32q_u8(vld1q_u8(input + 96)));
MSG3B = vreinterpretq_u32_u8(vrev32q_u8(vld1q_u8(input + 112)));
// Transform 1: Rounds 1-4
TMP = vld1q_u32(&K[0]);
TMP0A = vaddq_u32(MSG0A, TMP);
TMP0B = vaddq_u32(MSG0B, TMP);
TMP2A = STATE0A;
TMP2B = STATE0B;
MSG0A = vsha256su0q_u32(MSG0A, MSG1A);
MSG0B = vsha256su0q_u32(MSG0B, MSG1B);
STATE0A = vsha256hq_u32(STATE0A, STATE1A, TMP0A);
STATE0B = vsha256hq_u32(STATE0B, STATE1B, TMP0B);
STATE1A = vsha256h2q_u32(STATE1A, TMP2A, TMP0A);
STATE1B = vsha256h2q_u32(STATE1B, TMP2B, TMP0B);
MSG0A = vsha256su1q_u32(MSG0A, MSG2A, MSG3A);
MSG0B = vsha256su1q_u32(MSG0B, MSG2B, MSG3B);
// Transform 1: Rounds 5-8
TMP = vld1q_u32(&K[4]);
TMP0A = vaddq_u32(MSG1A, TMP);
TMP0B = vaddq_u32(MSG1B, TMP);
TMP2A = STATE0A;
TMP2B = STATE0B;
MSG1A = vsha256su0q_u32(MSG1A, MSG2A);
MSG1B = vsha256su0q_u32(MSG1B, MSG2B);
STATE0A = vsha256hq_u32(STATE0A, STATE1A, TMP0A);
STATE0B = vsha256hq_u32(STATE0B, STATE1B, TMP0B);
STATE1A = vsha256h2q_u32(STATE1A, TMP2A, TMP0A);
STATE1B = vsha256h2q_u32(STATE1B, TMP2B, TMP0B);
MSG1A = vsha256su1q_u32(MSG1A, MSG3A, MSG0A);
MSG1B = vsha256su1q_u32(MSG1B, MSG3B, MSG0B);
// Transform 1: Rounds 9-12
TMP = vld1q_u32(&K[8]);
TMP0A = vaddq_u32(MSG2A, TMP);
TMP0B = vaddq_u32(MSG2B, TMP);
TMP2A = STATE0A;
TMP2B = STATE0B;
MSG2A = vsha256su0q_u32(MSG2A, MSG3A);
MSG2B = vsha256su0q_u32(MSG2B, MSG3B);
STATE0A = vsha256hq_u32(STATE0A, STATE1A, TMP0A);
STATE0B = vsha256hq_u32(STATE0B, STATE1B, TMP0B);
STATE1A = vsha256h2q_u32(STATE1A, TMP2A, TMP0A);
STATE1B = vsha256h2q_u32(STATE1B, TMP2B, TMP0B);
MSG2A = vsha256su1q_u32(MSG2A, MSG0A, MSG1A);
MSG2B = vsha256su1q_u32(MSG2B, MSG0B, MSG1B);
// Transform 1: Rounds 13-16
TMP = vld1q_u32(&K[12]);
TMP0A = vaddq_u32(MSG3A, TMP);
TMP0B = vaddq_u32(MSG3B, TMP);
TMP2A = STATE0A;
TMP2B = STATE0B;
MSG3A = vsha256su0q_u32(MSG3A, MSG0A);
MSG3B = vsha256su0q_u32(MSG3B, MSG0B);
STATE0A = vsha256hq_u32(STATE0A, STATE1A, TMP0A);
STATE0B = vsha256hq_u32(STATE0B, STATE1B, TMP0B);
STATE1A = vsha256h2q_u32(STATE1A, TMP2A, TMP0A);
STATE1B = vsha256h2q_u32(STATE1B, TMP2B, TMP0B);
MSG3A = vsha256su1q_u32(MSG3A, MSG1A, MSG2A);
MSG3B = vsha256su1q_u32(MSG3B, MSG1B, MSG2B);
// Transform 1: Rounds 17-20
TMP = vld1q_u32(&K[16]);
TMP0A = vaddq_u32(MSG0A, TMP);
TMP0B = vaddq_u32(MSG0B, TMP);
TMP2A = STATE0A;
TMP2B = STATE0B;
MSG0A = vsha256su0q_u32(MSG0A, MSG1A);
MSG0B = vsha256su0q_u32(MSG0B, MSG1B);
STATE0A = vsha256hq_u32(STATE0A, STATE1A, TMP0A);
STATE0B = vsha256hq_u32(STATE0B, STATE1B, TMP0B);
STATE1A = vsha256h2q_u32(STATE1A, TMP2A, TMP0A);
STATE1B = vsha256h2q_u32(STATE1B, TMP2B, TMP0B);
MSG0A = vsha256su1q_u32(MSG0A, MSG2A, MSG3A);
MSG0B = vsha256su1q_u32(MSG0B, MSG2B, MSG3B);
// Transform 1: Rounds 21-24
TMP = vld1q_u32(&K[20]);
TMP0A = vaddq_u32(MSG1A, TMP);
TMP0B = vaddq_u32(MSG1B, TMP);
TMP2A = STATE0A;
TMP2B = STATE0B;
MSG1A = vsha256su0q_u32(MSG1A, MSG2A);
MSG1B = vsha256su0q_u32(MSG1B, MSG2B);
STATE0A = vsha256hq_u32(STATE0A, STATE1A, TMP0A);
STATE0B = vsha256hq_u32(STATE0B, STATE1B, TMP0B);
STATE1A = vsha256h2q_u32(STATE1A, TMP2A, TMP0A);
STATE1B = vsha256h2q_u32(STATE1B, TMP2B, TMP0B);
MSG1A = vsha256su1q_u32(MSG1A, MSG3A, MSG0A);
MSG1B = vsha256su1q_u32(MSG1B, MSG3B, MSG0B);
// Transform 1: Rounds 25-28
TMP = vld1q_u32(&K[24]);
TMP0A = vaddq_u32(MSG2A, TMP);
TMP0B = vaddq_u32(MSG2B, TMP);
TMP2A = STATE0A;
TMP2B = STATE0B;
MSG2A = vsha256su0q_u32(MSG2A, MSG3A);
MSG2B = vsha256su0q_u32(MSG2B, MSG3B);
STATE0A = vsha256hq_u32(STATE0A, STATE1A, TMP0A);
STATE0B = vsha256hq_u32(STATE0B, STATE1B, TMP0B);
STATE1A = vsha256h2q_u32(STATE1A, TMP2A, TMP0A);
STATE1B = vsha256h2q_u32(STATE1B, TMP2B, TMP0B);
MSG2A = vsha256su1q_u32(MSG2A, MSG0A, MSG1A);
MSG2B = vsha256su1q_u32(MSG2B, MSG0B, MSG1B);
// Transform 1: Rounds 29-32
TMP = vld1q_u32(&K[28]);
TMP0A = vaddq_u32(MSG3A, TMP);
TMP0B = vaddq_u32(MSG3B, TMP);
TMP2A = STATE0A;
TMP2B = STATE0B;
MSG3A = vsha256su0q_u32(MSG3A, MSG0A);
MSG3B = vsha256su0q_u32(MSG3B, MSG0B);
STATE0A = vsha256hq_u32(STATE0A, STATE1A, TMP0A);
STATE0B = vsha256hq_u32(STATE0B, STATE1B, TMP0B);
STATE1A = vsha256h2q_u32(STATE1A, TMP2A, TMP0A);
STATE1B = vsha256h2q_u32(STATE1B, TMP2B, TMP0B);
MSG3A = vsha256su1q_u32(MSG3A, MSG1A, MSG2A);
MSG3B = vsha256su1q_u32(MSG3B, MSG1B, MSG2B);
// Transform 1: Rounds 33-36
TMP = vld1q_u32(&K[32]);
TMP0A = vaddq_u32(MSG0A, TMP);
TMP0B = vaddq_u32(MSG0B, TMP);
TMP2A = STATE0A;
TMP2B = STATE0B;
MSG0A = vsha256su0q_u32(MSG0A, MSG1A);
MSG0B = vsha256su0q_u32(MSG0B, MSG1B);
STATE0A = vsha256hq_u32(STATE0A, STATE1A, TMP0A);
STATE0B = vsha256hq_u32(STATE0B, STATE1B, TMP0B);
STATE1A = vsha256h2q_u32(STATE1A, TMP2A, TMP0A);
STATE1B = vsha256h2q_u32(STATE1B, TMP2B, TMP0B);
MSG0A = vsha256su1q_u32(MSG0A, MSG2A, MSG3A);
MSG0B = vsha256su1q_u32(MSG0B, MSG2B, MSG3B);
// Transform 1: Rounds 37-40
TMP = vld1q_u32(&K[36]);
TMP0A = vaddq_u32(MSG1A, TMP);
TMP0B = vaddq_u32(MSG1B, TMP);
TMP2A = STATE0A;
TMP2B = STATE0B;
MSG1A = vsha256su0q_u32(MSG1A, MSG2A);
MSG1B = vsha256su0q_u32(MSG1B, MSG2B);
STATE0A = vsha256hq_u32(STATE0A, STATE1A, TMP0A);
STATE0B = vsha256hq_u32(STATE0B, STATE1B, TMP0B);
STATE1A = vsha256h2q_u32(STATE1A, TMP2A, TMP0A);
STATE1B = vsha256h2q_u32(STATE1B, TMP2B, TMP0B);
MSG1A = vsha256su1q_u32(MSG1A, MSG3A, MSG0A);
MSG1B = vsha256su1q_u32(MSG1B, MSG3B, MSG0B);
// Transform 1: Rounds 41-44
TMP = vld1q_u32(&K[40]);
TMP0A = vaddq_u32(MSG2A, TMP);
TMP0B = vaddq_u32(MSG2B, TMP);
TMP2A = STATE0A;
TMP2B = STATE0B;
MSG2A = vsha256su0q_u32(MSG2A, MSG3A);
MSG2B = vsha256su0q_u32(MSG2B, MSG3B);
STATE0A = vsha256hq_u32(STATE0A, STATE1A, TMP0A);
STATE0B = vsha256hq_u32(STATE0B, STATE1B, TMP0B);
STATE1A = vsha256h2q_u32(STATE1A, TMP2A, TMP0A);
STATE1B = vsha256h2q_u32(STATE1B, TMP2B, TMP0B);
MSG2A = vsha256su1q_u32(MSG2A, MSG0A, MSG1A);
MSG2B = vsha256su1q_u32(MSG2B, MSG0B, MSG1B);
// Transform 1: Rounds 45-48
TMP = vld1q_u32(&K[44]);
TMP0A = vaddq_u32(MSG3A, TMP);
TMP0B = vaddq_u32(MSG3B, TMP);
TMP2A = STATE0A;
TMP2B = STATE0B;
MSG3A = vsha256su0q_u32(MSG3A, MSG0A);
MSG3B = vsha256su0q_u32(MSG3B, MSG0B);
STATE0A = vsha256hq_u32(STATE0A, STATE1A, TMP0A);
STATE0B = vsha256hq_u32(STATE0B, STATE1B, TMP0B);
STATE1A = vsha256h2q_u32(STATE1A, TMP2A, TMP0A);
STATE1B = vsha256h2q_u32(STATE1B, TMP2B, TMP0B);
MSG3A = vsha256su1q_u32(MSG3A, MSG1A, MSG2A);
MSG3B = vsha256su1q_u32(MSG3B, MSG1B, MSG2B);
// Transform 1: Rounds 49-52
TMP = vld1q_u32(&K[48]);
TMP0A = vaddq_u32(MSG0A, TMP);
TMP0B = vaddq_u32(MSG0B, TMP);
TMP2A = STATE0A;
TMP2B = STATE0B;
STATE0A = vsha256hq_u32(STATE0A, STATE1A, TMP0A);
STATE0B = vsha256hq_u32(STATE0B, STATE1B, TMP0B);
STATE1A = vsha256h2q_u32(STATE1A, TMP2A, TMP0A);
STATE1B = vsha256h2q_u32(STATE1B, TMP2B, TMP0B);
// Transform 1: Rounds 53-56
TMP = vld1q_u32(&K[52]);
TMP0A = vaddq_u32(MSG1A, TMP);
TMP0B = vaddq_u32(MSG1B, TMP);
TMP2A = STATE0A;
TMP2B = STATE0B;
STATE0A = vsha256hq_u32(STATE0A, STATE1A, TMP0A);
STATE0B = vsha256hq_u32(STATE0B, STATE1B, TMP0B);
STATE1A = vsha256h2q_u32(STATE1A, TMP2A, TMP0A);
STATE1B = vsha256h2q_u32(STATE1B, TMP2B, TMP0B);
// Transform 1: Rounds 57-60
TMP = vld1q_u32(&K[56]);
TMP0A = vaddq_u32(MSG2A, TMP);
TMP0B = vaddq_u32(MSG2B, TMP);
TMP2A = STATE0A;
TMP2B = STATE0B;
STATE0A = vsha256hq_u32(STATE0A, STATE1A, TMP0A);
STATE0B = vsha256hq_u32(STATE0B, STATE1B, TMP0B);
STATE1A = vsha256h2q_u32(STATE1A, TMP2A, TMP0A);
STATE1B = vsha256h2q_u32(STATE1B, TMP2B, TMP0B);
// Transform 1: Rounds 61-64
TMP = vld1q_u32(&K[60]);
TMP0A = vaddq_u32(MSG3A, TMP);
TMP0B = vaddq_u32(MSG3B, TMP);
TMP2A = STATE0A;
TMP2B = STATE0B;
STATE0A = vsha256hq_u32(STATE0A, STATE1A, TMP0A);
STATE0B = vsha256hq_u32(STATE0B, STATE1B, TMP0B);
STATE1A = vsha256h2q_u32(STATE1A, TMP2A, TMP0A);
STATE1B = vsha256h2q_u32(STATE1B, TMP2B, TMP0B);
// Transform 1: Update state
TMP = vld1q_u32(&INIT[0]);
STATE0A = vaddq_u32(STATE0A, TMP);
STATE0B = vaddq_u32(STATE0B, TMP);
TMP = vld1q_u32(&INIT[4]);
STATE1A = vaddq_u32(STATE1A, TMP);
STATE1B = vaddq_u32(STATE1B, TMP);
// Transform 2: Save state
ABEF_SAVEA = STATE0A;
ABEF_SAVEB = STATE0B;
CDGH_SAVEA = STATE1A;
CDGH_SAVEB = STATE1B;
// Transform 2: Rounds 1-4
TMP = vld1q_u32(&MIDS[0]);
TMP2A = STATE0A;
TMP2B = STATE0B;
STATE0A = vsha256hq_u32(STATE0A, STATE1A, TMP);
STATE0B = vsha256hq_u32(STATE0B, STATE1B, TMP);
STATE1A = vsha256h2q_u32(STATE1A, TMP2A, TMP);
STATE1B = vsha256h2q_u32(STATE1B, TMP2B, TMP);
// Transform 2: Rounds 5-8
TMP = vld1q_u32(&MIDS[4]);
TMP2A = STATE0A;
TMP2B = STATE0B;
STATE0A = vsha256hq_u32(STATE0A, STATE1A, TMP);
STATE0B = vsha256hq_u32(STATE0B, STATE1B, TMP);
STATE1A = vsha256h2q_u32(STATE1A, TMP2A, TMP);
STATE1B = vsha256h2q_u32(STATE1B, TMP2B, TMP);
// Transform 2: Rounds 9-12
TMP = vld1q_u32(&MIDS[8]);
TMP2A = STATE0A;
TMP2B = STATE0B;
STATE0A = vsha256hq_u32(STATE0A, STATE1A, TMP);
STATE0B = vsha256hq_u32(STATE0B, STATE1B, TMP);
STATE1A = vsha256h2q_u32(STATE1A, TMP2A, TMP);
STATE1B = vsha256h2q_u32(STATE1B, TMP2B, TMP);
// Transform 2: Rounds 13-16
TMP = vld1q_u32(&MIDS[12]);
TMP2A = STATE0A;
TMP2B = STATE0B;
STATE0A = vsha256hq_u32(STATE0A, STATE1A, TMP);
STATE0B = vsha256hq_u32(STATE0B, STATE1B, TMP);
STATE1A = vsha256h2q_u32(STATE1A, TMP2A, TMP);
STATE1B = vsha256h2q_u32(STATE1B, TMP2B, TMP);
// Transform 2: Rounds 17-20
TMP = vld1q_u32(&MIDS[16]);
TMP2A = STATE0A;
TMP2B = STATE0B;
STATE0A = vsha256hq_u32(STATE0A, STATE1A, TMP);
STATE0B = vsha256hq_u32(STATE0B, STATE1B, TMP);
STATE1A = vsha256h2q_u32(STATE1A, TMP2A, TMP);
STATE1B = vsha256h2q_u32(STATE1B, TMP2B, TMP);
// Transform 2: Rounds 21-24
TMP = vld1q_u32(&MIDS[20]);
TMP2A = STATE0A;
TMP2B = STATE0B;
STATE0A = vsha256hq_u32(STATE0A, STATE1A, TMP);
STATE0B = vsha256hq_u32(STATE0B, STATE1B, TMP);
STATE1A = vsha256h2q_u32(STATE1A, TMP2A, TMP);
STATE1B = vsha256h2q_u32(STATE1B, TMP2B, TMP);
// Transform 2: Rounds 25-28
TMP = vld1q_u32(&MIDS[24]);
TMP2A = STATE0A;
TMP2B = STATE0B;
STATE0A = vsha256hq_u32(STATE0A, STATE1A, TMP);
STATE0B = vsha256hq_u32(STATE0B, STATE1B, TMP);
STATE1A = vsha256h2q_u32(STATE1A, TMP2A, TMP);
STATE1B = vsha256h2q_u32(STATE1B, TMP2B, TMP);
// Transform 2: Rounds 29-32
TMP = vld1q_u32(&MIDS[28]);
TMP2A = STATE0A;
TMP2B = STATE0B;
STATE0A = vsha256hq_u32(STATE0A, STATE1A, TMP);
STATE0B = vsha256hq_u32(STATE0B, STATE1B, TMP);
STATE1A = vsha256h2q_u32(STATE1A, TMP2A, TMP);
STATE1B = vsha256h2q_u32(STATE1B, TMP2B, TMP);
// Transform 2: Rounds 33-36
TMP = vld1q_u32(&MIDS[32]);
TMP2A = STATE0A;
TMP2B = STATE0B;
STATE0A = vsha256hq_u32(STATE0A, STATE1A, TMP);
STATE0B = vsha256hq_u32(STATE0B, STATE1B, TMP);
STATE1A = vsha256h2q_u32(STATE1A, TMP2A, TMP);
STATE1B = vsha256h2q_u32(STATE1B, TMP2B, TMP);
// Transform 2: Rounds 37-40
TMP = vld1q_u32(&MIDS[36]);
TMP2A = STATE0A;
TMP2B = STATE0B;
STATE0A = vsha256hq_u32(STATE0A, STATE1A, TMP);
STATE0B = vsha256hq_u32(STATE0B, STATE1B, TMP);
STATE1A = vsha256h2q_u32(STATE1A, TMP2A, TMP);
STATE1B = vsha256h2q_u32(STATE1B, TMP2B, TMP);
// Transform 2: Rounds 41-44
TMP = vld1q_u32(&MIDS[40]);
TMP2A = STATE0A;
TMP2B = STATE0B;
STATE0A = vsha256hq_u32(STATE0A, STATE1A, TMP);
STATE0B = vsha256hq_u32(STATE0B, STATE1B, TMP);
STATE1A = vsha256h2q_u32(STATE1A, TMP2A, TMP);
STATE1B = vsha256h2q_u32(STATE1B, TMP2B, TMP);
// Transform 2: Rounds 45-48
TMP = vld1q_u32(&MIDS[44]);
TMP2A = STATE0A;
TMP2B = STATE0B;
STATE0A = vsha256hq_u32(STATE0A, STATE1A, TMP);
STATE0B = vsha256hq_u32(STATE0B, STATE1B, TMP);
STATE1A = vsha256h2q_u32(STATE1A, TMP2A, TMP);
STATE1B = vsha256h2q_u32(STATE1B, TMP2B, TMP);
// Transform 2: Rounds 49-52
TMP = vld1q_u32(&MIDS[48]);
TMP2A = STATE0A;
TMP2B = STATE0B;
STATE0A = vsha256hq_u32(STATE0A, STATE1A, TMP);
STATE0B = vsha256hq_u32(STATE0B, STATE1B, TMP);
STATE1A = vsha256h2q_u32(STATE1A, TMP2A, TMP);
STATE1B = vsha256h2q_u32(STATE1B, TMP2B, TMP);
// Transform 2: Rounds 53-56
TMP = vld1q_u32(&MIDS[52]);
TMP2A = STATE0A;
TMP2B = STATE0B;
STATE0A = vsha256hq_u32(STATE0A, STATE1A, TMP);
STATE0B = vsha256hq_u32(STATE0B, STATE1B, TMP);
STATE1A = vsha256h2q_u32(STATE1A, TMP2A, TMP);
STATE1B = vsha256h2q_u32(STATE1B, TMP2B, TMP);
// Transform 2: Rounds 57-60
TMP = vld1q_u32(&MIDS[56]);
TMP2A = STATE0A;
TMP2B = STATE0B;
STATE0A = vsha256hq_u32(STATE0A, STATE1A, TMP);
STATE0B = vsha256hq_u32(STATE0B, STATE1B, TMP);
STATE1A = vsha256h2q_u32(STATE1A, TMP2A, TMP);
STATE1B = vsha256h2q_u32(STATE1B, TMP2B, TMP);
// Transform 2: Rounds 61-64
TMP = vld1q_u32(&MIDS[60]);
TMP2A = STATE0A;
TMP2B = STATE0B;
STATE0A = vsha256hq_u32(STATE0A, STATE1A, TMP);
STATE0B = vsha256hq_u32(STATE0B, STATE1B, TMP);
STATE1A = vsha256h2q_u32(STATE1A, TMP2A, TMP);
STATE1B = vsha256h2q_u32(STATE1B, TMP2B, TMP);
// Transform 2: Update state
STATE0A = vaddq_u32(STATE0A, ABEF_SAVEA);
STATE0B = vaddq_u32(STATE0B, ABEF_SAVEB);
STATE1A = vaddq_u32(STATE1A, CDGH_SAVEA);
STATE1B = vaddq_u32(STATE1B, CDGH_SAVEB);
// Transform 3: Pad previous output
MSG0A = STATE0A;
MSG0B = STATE0B;
MSG1A = STATE1A;
MSG1B = STATE1B;
MSG2A = vld1q_u32(&FINAL[0]);
MSG2B = MSG2A;
MSG3A = vld1q_u32(&FINAL[4]);
MSG3B = MSG3A;
// Transform 3: Load state
STATE0A = vld1q_u32(&INIT[0]);
STATE0B = STATE0A;
STATE1A = vld1q_u32(&INIT[4]);
STATE1B = STATE1A;
// Transform 3: Rounds 1-4
TMP = vld1q_u32(&K[0]);
TMP0A = vaddq_u32(MSG0A, TMP);
TMP0B = vaddq_u32(MSG0B, TMP);
TMP2A = STATE0A;
TMP2B = STATE0B;
MSG0A = vsha256su0q_u32(MSG0A, MSG1A);
MSG0B = vsha256su0q_u32(MSG0B, MSG1B);
STATE0A = vsha256hq_u32(STATE0A, STATE1A, TMP0A);
STATE0B = vsha256hq_u32(STATE0B, STATE1B, TMP0B);
STATE1A = vsha256h2q_u32(STATE1A, TMP2A, TMP0A);
STATE1B = vsha256h2q_u32(STATE1B, TMP2B, TMP0B);
MSG0A = vsha256su1q_u32(MSG0A, MSG2A, MSG3A);
MSG0B = vsha256su1q_u32(MSG0B, MSG2B, MSG3B);
// Transform 3: Rounds 5-8
TMP = vld1q_u32(&K[4]);
TMP0A = vaddq_u32(MSG1A, TMP);
TMP0B = vaddq_u32(MSG1B, TMP);
TMP2A = STATE0A;
TMP2B = STATE0B;
MSG1A = vsha256su0q_u32(MSG1A, MSG2A);
MSG1B = vsha256su0q_u32(MSG1B, MSG2B);
STATE0A = vsha256hq_u32(STATE0A, STATE1A, TMP0A);
STATE0B = vsha256hq_u32(STATE0B, STATE1B, TMP0B);
STATE1A = vsha256h2q_u32(STATE1A, TMP2A, TMP0A);
STATE1B = vsha256h2q_u32(STATE1B, TMP2B, TMP0B);
MSG1A = vsha256su1q_u32(MSG1A, MSG3A, MSG0A);
MSG1B = vsha256su1q_u32(MSG1B, MSG3B, MSG0B);
// Transform 3: Rounds 9-12
TMP = vld1q_u32(&FINS[0]);
TMP2A = STATE0A;
TMP2B = STATE0B;
MSG2A = vld1q_u32(&FINS[4]);
MSG2B = MSG2A;
STATE0A = vsha256hq_u32(STATE0A, STATE1A, TMP);
STATE0B = vsha256hq_u32(STATE0B, STATE1B, TMP);
STATE1A = vsha256h2q_u32(STATE1A, TMP2A, TMP);
STATE1B = vsha256h2q_u32(STATE1B, TMP2B, TMP);
MSG2A = vsha256su1q_u32(MSG2A, MSG0A, MSG1A);
MSG2B = vsha256su1q_u32(MSG2B, MSG0B, MSG1B);
// Transform 3: Rounds 13-16
TMP = vld1q_u32(&FINS[8]);
TMP2A = STATE0A;
TMP2B = STATE0B;
MSG3A = vsha256su0q_u32(MSG3A, MSG0A);
MSG3B = vsha256su0q_u32(MSG3B, MSG0B);
STATE0A = vsha256hq_u32(STATE0A, STATE1A, TMP);
STATE0B = vsha256hq_u32(STATE0B, STATE1B, TMP);
STATE1A = vsha256h2q_u32(STATE1A, TMP2A, TMP);
STATE1B = vsha256h2q_u32(STATE1B, TMP2B, TMP);
MSG3A = vsha256su1q_u32(MSG3A, MSG1A, MSG2A);
MSG3B = vsha256su1q_u32(MSG3B, MSG1B, MSG2B);
// Transform 3: Rounds 17-20
TMP = vld1q_u32(&K[16]);
TMP0A = vaddq_u32(MSG0A, TMP);
TMP0B = vaddq_u32(MSG0B, TMP);
TMP2A = STATE0A;
TMP2B = STATE0B;
MSG0A = vsha256su0q_u32(MSG0A, MSG1A);
MSG0B = vsha256su0q_u32(MSG0B, MSG1B);
STATE0A = vsha256hq_u32(STATE0A, STATE1A, TMP0A);
STATE0B = vsha256hq_u32(STATE0B, STATE1B, TMP0B);
STATE1A = vsha256h2q_u32(STATE1A, TMP2A, TMP0A);
STATE1B = vsha256h2q_u32(STATE1B, TMP2B, TMP0B);
MSG0A = vsha256su1q_u32(MSG0A, MSG2A, MSG3A);
MSG0B = vsha256su1q_u32(MSG0B, MSG2B, MSG3B);
// Transform 3: Rounds 21-24
TMP = vld1q_u32(&K[20]);
TMP0A = vaddq_u32(MSG1A, TMP);
TMP0B = vaddq_u32(MSG1B, TMP);
TMP2A = STATE0A;
TMP2B = STATE0B;
MSG1A = vsha256su0q_u32(MSG1A, MSG2A);
MSG1B = vsha256su0q_u32(MSG1B, MSG2B);
STATE0A = vsha256hq_u32(STATE0A, STATE1A, TMP0A);
STATE0B = vsha256hq_u32(STATE0B, STATE1B, TMP0B);
STATE1A = vsha256h2q_u32(STATE1A, TMP2A, TMP0A);
STATE1B = vsha256h2q_u32(STATE1B, TMP2B, TMP0B);
MSG1A = vsha256su1q_u32(MSG1A, MSG3A, MSG0A);
MSG1B = vsha256su1q_u32(MSG1B, MSG3B, MSG0B);
// Transform 3: Rounds 25-28
TMP = vld1q_u32(&K[24]);
TMP0A = vaddq_u32(MSG2A, TMP);
TMP0B = vaddq_u32(MSG2B, TMP);
TMP2A = STATE0A;
TMP2B = STATE0B;
MSG2A = vsha256su0q_u32(MSG2A, MSG3A);
MSG2B = vsha256su0q_u32(MSG2B, MSG3B);
STATE0A = vsha256hq_u32(STATE0A, STATE1A, TMP0A);
STATE0B = vsha256hq_u32(STATE0B, STATE1B, TMP0B);
STATE1A = vsha256h2q_u32(STATE1A, TMP2A, TMP0A);
STATE1B = vsha256h2q_u32(STATE1B, TMP2B, TMP0B);
MSG2A = vsha256su1q_u32(MSG2A, MSG0A, MSG1A);
MSG2B = vsha256su1q_u32(MSG2B, MSG0B, MSG1B);
// Transform 3: Rounds 29-32
TMP = vld1q_u32(&K[28]);
TMP0A = vaddq_u32(MSG3A, TMP);
TMP0B = vaddq_u32(MSG3B, TMP);
TMP2A = STATE0A;
TMP2B = STATE0B;
MSG3A = vsha256su0q_u32(MSG3A, MSG0A);
MSG3B = vsha256su0q_u32(MSG3B, MSG0B);
STATE0A = vsha256hq_u32(STATE0A, STATE1A, TMP0A);
STATE0B = vsha256hq_u32(STATE0B, STATE1B, TMP0B);
STATE1A = vsha256h2q_u32(STATE1A, TMP2A, TMP0A);
STATE1B = vsha256h2q_u32(STATE1B, TMP2B, TMP0B);
MSG3A = vsha256su1q_u32(MSG3A, MSG1A, MSG2A);
MSG3B = vsha256su1q_u32(MSG3B, MSG1B, MSG2B);
// Transform 3: Rounds 33-36
TMP = vld1q_u32(&K[32]);
TMP0A = vaddq_u32(MSG0A, TMP);
TMP0B = vaddq_u32(MSG0B, TMP);
TMP2A = STATE0A;
TMP2B = STATE0B;
MSG0A = vsha256su0q_u32(MSG0A, MSG1A);
MSG0B = vsha256su0q_u32(MSG0B, MSG1B);
STATE0A = vsha256hq_u32(STATE0A, STATE1A, TMP0A);
STATE0B = vsha256hq_u32(STATE0B, STATE1B, TMP0B);
STATE1A = vsha256h2q_u32(STATE1A, TMP2A, TMP0A);
STATE1B = vsha256h2q_u32(STATE1B, TMP2B, TMP0B);
MSG0A = vsha256su1q_u32(MSG0A, MSG2A, MSG3A);
MSG0B = vsha256su1q_u32(MSG0B, MSG2B, MSG3B);
// Transform 3: Rounds 37-40
TMP = vld1q_u32(&K[36]);
TMP0A = vaddq_u32(MSG1A, TMP);
TMP0B = vaddq_u32(MSG1B, TMP);
TMP2A = STATE0A;
TMP2B = STATE0B;
MSG1A = vsha256su0q_u32(MSG1A, MSG2A);
MSG1B = vsha256su0q_u32(MSG1B, MSG2B);
STATE0A = vsha256hq_u32(STATE0A, STATE1A, TMP0A);
STATE0B = vsha256hq_u32(STATE0B, STATE1B, TMP0B);
STATE1A = vsha256h2q_u32(STATE1A, TMP2A, TMP0A);
STATE1B = vsha256h2q_u32(STATE1B, TMP2B, TMP0B);
MSG1A = vsha256su1q_u32(MSG1A, MSG3A, MSG0A);
MSG1B = vsha256su1q_u32(MSG1B, MSG3B, MSG0B);
// Transform 3: Rounds 41-44
TMP = vld1q_u32(&K[40]);
TMP0A = vaddq_u32(MSG2A, TMP);
TMP0B = vaddq_u32(MSG2B, TMP);
TMP2A = STATE0A;
TMP2B = STATE0B;
MSG2A = vsha256su0q_u32(MSG2A, MSG3A);
MSG2B = vsha256su0q_u32(MSG2B, MSG3B);
STATE0A = vsha256hq_u32(STATE0A, STATE1A, TMP0A);
STATE0B = vsha256hq_u32(STATE0B, STATE1B, TMP0B);
STATE1A = vsha256h2q_u32(STATE1A, TMP2A, TMP0A);
STATE1B = vsha256h2q_u32(STATE1B, TMP2B, TMP0B);
MSG2A = vsha256su1q_u32(MSG2A, MSG0A, MSG1A);
MSG2B = vsha256su1q_u32(MSG2B, MSG0B, MSG1B);
// Transform 3: Rounds 45-48
TMP = vld1q_u32(&K[44]);
TMP0A = vaddq_u32(MSG3A, TMP);
TMP0B = vaddq_u32(MSG3B, TMP);
TMP2A = STATE0A;
TMP2B = STATE0B;
MSG3A = vsha256su0q_u32(MSG3A, MSG0A);
MSG3B = vsha256su0q_u32(MSG3B, MSG0B);
STATE0A = vsha256hq_u32(STATE0A, STATE1A, TMP0A);
STATE0B = vsha256hq_u32(STATE0B, STATE1B, TMP0B);
STATE1A = vsha256h2q_u32(STATE1A, TMP2A, TMP0A);
STATE1B = vsha256h2q_u32(STATE1B, TMP2B, TMP0B);
MSG3A = vsha256su1q_u32(MSG3A, MSG1A, MSG2A);
MSG3B = vsha256su1q_u32(MSG3B, MSG1B, MSG2B);
// Transform 3: Rounds 49-52
TMP = vld1q_u32(&K[48]);
TMP0A = vaddq_u32(MSG0A, TMP);
TMP0B = vaddq_u32(MSG0B, TMP);
TMP2A = STATE0A;
TMP2B = STATE0B;
STATE0A = vsha256hq_u32(STATE0A, STATE1A, TMP0A);
STATE0B = vsha256hq_u32(STATE0B, STATE1B, TMP0B);
STATE1A = vsha256h2q_u32(STATE1A, TMP2A, TMP0A);
STATE1B = vsha256h2q_u32(STATE1B, TMP2B, TMP0B);
// Transform 3: Rounds 53-56
TMP = vld1q_u32(&K[52]);
TMP0A = vaddq_u32(MSG1A, TMP);
TMP0B = vaddq_u32(MSG1B, TMP);
TMP2A = STATE0A;
TMP2B = STATE0B;
STATE0A = vsha256hq_u32(STATE0A, STATE1A, TMP0A);
STATE0B = vsha256hq_u32(STATE0B, STATE1B, TMP0B);
STATE1A = vsha256h2q_u32(STATE1A, TMP2A, TMP0A);
STATE1B = vsha256h2q_u32(STATE1B, TMP2B, TMP0B);
// Transform 3: Rounds 57-60
TMP = vld1q_u32(&K[56]);
TMP0A = vaddq_u32(MSG2A, TMP);
TMP0B = vaddq_u32(MSG2B, TMP);
TMP2A = STATE0A;
TMP2B = STATE0B;
STATE0A = vsha256hq_u32(STATE0A, STATE1A, TMP0A);
STATE0B = vsha256hq_u32(STATE0B, STATE1B, TMP0B);
STATE1A = vsha256h2q_u32(STATE1A, TMP2A, TMP0A);
STATE1B = vsha256h2q_u32(STATE1B, TMP2B, TMP0B);
// Transform 3: Rounds 61-64
TMP = vld1q_u32(&K[60]);
TMP0A = vaddq_u32(MSG3A, TMP);
TMP0B = vaddq_u32(MSG3B, TMP);
TMP2A = STATE0A;
TMP2B = STATE0B;
STATE0A = vsha256hq_u32(STATE0A, STATE1A, TMP0A);
STATE0B = vsha256hq_u32(STATE0B, STATE1B, TMP0B);
STATE1A = vsha256h2q_u32(STATE1A, TMP2A, TMP0A);
STATE1B = vsha256h2q_u32(STATE1B, TMP2B, TMP0B);
// Transform 3: Update state
TMP = vld1q_u32(&INIT[0]);
STATE0A = vaddq_u32(STATE0A, TMP);
STATE0B = vaddq_u32(STATE0B, TMP);
TMP = vld1q_u32(&INIT[4]);
STATE1A = vaddq_u32(STATE1A, TMP);
STATE1B = vaddq_u32(STATE1B, TMP);
// Store result
vst1q_u8(output, vrev32q_u8(vreinterpretq_u8_u32(STATE0A)));
vst1q_u8(output + 16, vrev32q_u8(vreinterpretq_u8_u32(STATE1A)));
vst1q_u8(output + 32, vrev32q_u8(vreinterpretq_u8_u32(STATE0B)));
vst1q_u8(output + 48, vrev32q_u8(vreinterpretq_u8_u32(STATE1B)));
}
}
#endif