mirror of
https://github.com/oxen-io/lokinet.git
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138 lines
5.8 KiB
C
138 lines
5.8 KiB
C
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#ifndef blake2b_compress_avx2_H
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#define blake2b_compress_avx2_H
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#define LOADU128(p) _mm_loadu_si128((__m128i *) (p))
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#define STOREU128(p, r) _mm_storeu_si128((__m128i *) (p), r)
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#define LOAD(p) _mm256_load_si256((__m256i *) (p))
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#define STORE(p, r) _mm256_store_si256((__m256i *) (p), r)
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#define LOADU(p) _mm256_loadu_si256((__m256i *) (p))
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#define STOREU(p, r) _mm256_storeu_si256((__m256i *) (p), r)
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static inline uint64_t
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LOADU64(const void *p)
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{
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uint64_t v;
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memcpy(&v, p, sizeof v);
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return v;
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}
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#define ROTATE16 \
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_mm256_setr_epi8(2, 3, 4, 5, 6, 7, 0, 1, 10, 11, 12, 13, 14, 15, 8, 9, 2, \
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3, 4, 5, 6, 7, 0, 1, 10, 11, 12, 13, 14, 15, 8, 9)
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#define ROTATE24 \
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_mm256_setr_epi8(3, 4, 5, 6, 7, 0, 1, 2, 11, 12, 13, 14, 15, 8, 9, 10, 3, \
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4, 5, 6, 7, 0, 1, 2, 11, 12, 13, 14, 15, 8, 9, 10)
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#define ADD(a, b) _mm256_add_epi64(a, b)
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#define SUB(a, b) _mm256_sub_epi64(a, b)
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#define XOR(a, b) _mm256_xor_si256(a, b)
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#define AND(a, b) _mm256_and_si256(a, b)
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#define OR(a, b) _mm256_or_si256(a, b)
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#define ROT32(x) _mm256_shuffle_epi32((x), _MM_SHUFFLE(2, 3, 0, 1))
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#define ROT24(x) _mm256_shuffle_epi8((x), ROTATE24)
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#define ROT16(x) _mm256_shuffle_epi8((x), ROTATE16)
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#define ROT63(x) _mm256_or_si256(_mm256_srli_epi64((x), 63), ADD((x), (x)))
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#define BLAKE2B_G1_V1(a, b, c, d, m) \
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do { \
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a = ADD(a, m); \
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a = ADD(a, b); \
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d = XOR(d, a); \
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d = ROT32(d); \
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c = ADD(c, d); \
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b = XOR(b, c); \
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b = ROT24(b); \
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} while (0)
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#define BLAKE2B_G2_V1(a, b, c, d, m) \
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do { \
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a = ADD(a, m); \
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a = ADD(a, b); \
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d = XOR(d, a); \
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d = ROT16(d); \
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c = ADD(c, d); \
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b = XOR(b, c); \
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b = ROT63(b); \
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} while (0)
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#define BLAKE2B_DIAG_V1(a, b, c, d) \
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do { \
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d = _mm256_permute4x64_epi64(d, _MM_SHUFFLE(2, 1, 0, 3)); \
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c = _mm256_permute4x64_epi64(c, _MM_SHUFFLE(1, 0, 3, 2)); \
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b = _mm256_permute4x64_epi64(b, _MM_SHUFFLE(0, 3, 2, 1)); \
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} while (0)
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#define BLAKE2B_UNDIAG_V1(a, b, c, d) \
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do { \
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d = _mm256_permute4x64_epi64(d, _MM_SHUFFLE(0, 3, 2, 1)); \
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c = _mm256_permute4x64_epi64(c, _MM_SHUFFLE(1, 0, 3, 2)); \
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b = _mm256_permute4x64_epi64(b, _MM_SHUFFLE(2, 1, 0, 3)); \
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} while (0)
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#include "blake2b-load-avx2.h"
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#define BLAKE2B_ROUND_V1(a, b, c, d, r, m) \
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do { \
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__m256i b0; \
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BLAKE2B_LOAD_MSG_##r##_1(b0); \
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BLAKE2B_G1_V1(a, b, c, d, b0); \
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BLAKE2B_LOAD_MSG_##r##_2(b0); \
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BLAKE2B_G2_V1(a, b, c, d, b0); \
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BLAKE2B_DIAG_V1(a, b, c, d); \
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BLAKE2B_LOAD_MSG_##r##_3(b0); \
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BLAKE2B_G1_V1(a, b, c, d, b0); \
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BLAKE2B_LOAD_MSG_##r##_4(b0); \
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BLAKE2B_G2_V1(a, b, c, d, b0); \
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BLAKE2B_UNDIAG_V1(a, b, c, d); \
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} while (0)
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#define BLAKE2B_ROUNDS_V1(a, b, c, d, m) \
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do { \
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BLAKE2B_ROUND_V1(a, b, c, d, 0, (m)); \
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BLAKE2B_ROUND_V1(a, b, c, d, 1, (m)); \
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BLAKE2B_ROUND_V1(a, b, c, d, 2, (m)); \
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BLAKE2B_ROUND_V1(a, b, c, d, 3, (m)); \
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BLAKE2B_ROUND_V1(a, b, c, d, 4, (m)); \
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BLAKE2B_ROUND_V1(a, b, c, d, 5, (m)); \
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BLAKE2B_ROUND_V1(a, b, c, d, 6, (m)); \
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BLAKE2B_ROUND_V1(a, b, c, d, 7, (m)); \
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BLAKE2B_ROUND_V1(a, b, c, d, 8, (m)); \
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BLAKE2B_ROUND_V1(a, b, c, d, 9, (m)); \
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BLAKE2B_ROUND_V1(a, b, c, d, 10, (m)); \
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BLAKE2B_ROUND_V1(a, b, c, d, 11, (m)); \
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} while (0)
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#define DECLARE_MESSAGE_WORDS(m) \
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const __m256i m0 = _mm256_broadcastsi128_si256(LOADU128((m) + 0)); \
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const __m256i m1 = _mm256_broadcastsi128_si256(LOADU128((m) + 16)); \
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const __m256i m2 = _mm256_broadcastsi128_si256(LOADU128((m) + 32)); \
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const __m256i m3 = _mm256_broadcastsi128_si256(LOADU128((m) + 48)); \
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const __m256i m4 = _mm256_broadcastsi128_si256(LOADU128((m) + 64)); \
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const __m256i m5 = _mm256_broadcastsi128_si256(LOADU128((m) + 80)); \
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const __m256i m6 = _mm256_broadcastsi128_si256(LOADU128((m) + 96)); \
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const __m256i m7 = _mm256_broadcastsi128_si256(LOADU128((m) + 112)); \
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__m256i t0, t1;
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#define BLAKE2B_COMPRESS_V1(a, b, m, t0, t1, f0, f1) \
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do { \
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DECLARE_MESSAGE_WORDS(m) \
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const __m256i iv0 = a; \
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const __m256i iv1 = b; \
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__m256i c = LOAD(&blake2b_IV[0]); \
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__m256i d = \
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XOR(LOAD(&blake2b_IV[4]), _mm256_set_epi64x(f1, f0, t1, t0)); \
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BLAKE2B_ROUNDS_V1(a, b, c, d, m); \
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a = XOR(a, c); \
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b = XOR(b, d); \
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a = XOR(a, iv0); \
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b = XOR(b, iv1); \
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} while (0)
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#endif
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