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facb527c7c
* Add state destroy to SHA2 API * Include optimized SPHINCS+ implementations I've generated new implementations from the sphincsplus repository. * Don't destroy sha256ctx after finalize * Attempt to shut up MSVC * Make sure to drop errors in rmtree
104 lines
3.8 KiB
C
104 lines
3.8 KiB
C
#ifndef SHA256AVX_H
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#define SHA256AVX_H
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#include <immintrin.h>
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#include <stdint.h>
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static const unsigned int RC[] = {
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0x428a2f98, 0x71374491, 0xb5c0fbcf, 0xe9b5dba5,
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0x3956c25b, 0x59f111f1, 0x923f82a4, 0xab1c5ed5,
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0xd807aa98, 0x12835b01, 0x243185be, 0x550c7dc3,
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0x72be5d74, 0x80deb1fe, 0x9bdc06a7, 0xc19bf174,
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0xe49b69c1, 0xefbe4786, 0x0fc19dc6, 0x240ca1cc,
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0x2de92c6f, 0x4a7484aa, 0x5cb0a9dc, 0x76f988da,
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0x983e5152, 0xa831c66d, 0xb00327c8, 0xbf597fc7,
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0xc6e00bf3, 0xd5a79147, 0x06ca6351, 0x14292967,
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0x27b70a85, 0x2e1b2138, 0x4d2c6dfc, 0x53380d13,
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0x650a7354, 0x766a0abb, 0x81c2c92e, 0x92722c85,
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0xa2bfe8a1, 0xa81a664b, 0xc24b8b70, 0xc76c51a3,
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0xd192e819, 0xd6990624, 0xf40e3585, 0x106aa070,
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0x19a4c116, 0x1e376c08, 0x2748774c, 0x34b0bcb5,
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0x391c0cb3, 0x4ed8aa4a, 0x5b9cca4f, 0x682e6ff3,
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0x748f82ee, 0x78a5636f, 0x84c87814, 0x8cc70208,
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0x90befffa, 0xa4506ceb, 0xbef9a3f7, 0xc67178f2
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};
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#define u32 uint32_t
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#define u256 __m256i
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#define XOR _mm256_xor_si256
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#define OR _mm256_or_si256
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#define AND _mm256_and_si256
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#define ADD32 _mm256_add_epi32
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#define NOT(x) _mm256_xor_si256(x, _mm256_set_epi32(-1, -1, -1, -1, -1, -1, -1, -1))
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#define LOAD(src) _mm256_loadu_si256((__m256i *)(src))
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#define STORE(dest,src) _mm256_storeu_si256((__m256i *)(dest),src)
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#define BYTESWAP(x) _mm256_shuffle_epi8(x, _mm256_set_epi8(0xc,0xd,0xe,0xf,0x8,0x9,0xa,0xb,0x4,0x5,0x6,0x7,0x0,0x1,0x2,0x3,0xc,0xd,0xe,0xf,0x8,0x9,0xa,0xb,0x4,0x5,0x6,0x7,0x0,0x1,0x2,0x3))
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#define SHIFTR32(x, y) _mm256_srli_epi32(x, y)
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#define SHIFTL32(x, y) _mm256_slli_epi32(x, y)
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#define ROTR32(x, y) OR(SHIFTR32(x, y), SHIFTL32(x, 32 - (y)))
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#define ROTL32(x, y) OR(SHIFTL32(x, y), SHIFTR32(x, 32 - (y)))
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#define XOR3(a, b, c) XOR(XOR(a, b), c)
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#define ADD3_32(a, b, c) ADD32(ADD32(a, b), c)
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#define ADD4_32(a, b, c, d) ADD32(ADD32(ADD32(a, b), c), d)
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#define ADD5_32(a, b, c, d, e) ADD32(ADD32(ADD32(ADD32(a, b), c), d), e)
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#define MAJ_AVX(a, b, c) XOR3(AND(a, b), AND(a, c), AND(b, c))
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#define CH_AVX(a, b, c) XOR(AND(a, b), AND(NOT(a), c))
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#define SIGMA1_AVX(x) XOR3(ROTR32(x, 6), ROTR32(x, 11), ROTR32(x, 25))
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#define SIGMA0_AVX(x) XOR3(ROTR32(x, 2), ROTR32(x, 13), ROTR32(x, 22))
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#define WSIGMA1_AVX(x) XOR3(ROTR32(x, 17), ROTR32(x, 19), SHIFTR32(x, 10))
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#define WSIGMA0_AVX(x) XOR3(ROTR32(x, 7), ROTR32(x, 18), SHIFTR32(x, 3))
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#define SHA256ROUND_AVX(a, b, c, d, e, f, g, h, rc, w) \
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T0 = ADD5_32(h, SIGMA1_AVX(e), CH_AVX(e, f, g), _mm256_set1_epi32((int)RC[rc]), w); \
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(d) = ADD32(d, T0); \
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T1 = ADD32(SIGMA0_AVX(a), MAJ_AVX(a, b, c)); \
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(h) = ADD32(T0, T1);
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typedef struct SHA256state {
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u256 s[8];
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uint8_t msgblocks[8 * 64];
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unsigned int datalen;
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uint64_t msglen;
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} sha256ctxx8;
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void PQCLEAN_SPHINCSSHA256256SROBUST_AVX2_transpose(u256 s[8]);
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void PQCLEAN_SPHINCSSHA256256SROBUST_AVX2_sha256_init_frombytes_x8(sha256ctxx8 *ctx, const uint8_t *s, unsigned long long msglen);
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void PQCLEAN_SPHINCSSHA256256SROBUST_AVX2_sha256_init8x(sha256ctxx8 *ctx);
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void PQCLEAN_SPHINCSSHA256256SROBUST_AVX2_sha256_update8x(sha256ctxx8 *ctx,
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const unsigned char *d0,
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const unsigned char *d1,
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const unsigned char *d2,
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const unsigned char *d3,
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const unsigned char *d4,
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const unsigned char *d5,
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const unsigned char *d6,
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const unsigned char *d7,
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unsigned long long len);
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void PQCLEAN_SPHINCSSHA256256SROBUST_AVX2_sha256_final8x(sha256ctxx8 *ctx,
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unsigned char *out0,
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unsigned char *out1,
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unsigned char *out2,
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unsigned char *out3,
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unsigned char *out4,
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unsigned char *out5,
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unsigned char *out6,
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unsigned char *out7);
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void PQCLEAN_SPHINCSSHA256256SROBUST_AVX2_sha256_transform8x(sha256ctxx8 *ctx, const unsigned char *data);
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void PQCLEAN_SPHINCSSHA256256SROBUST_AVX2_sha256_clone_statex8(sha256ctxx8 *outctx, const sha256ctxx8 *inctx);
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#endif
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