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- #include <stdint.h>
- #include <string.h>
-
- #include "thashx4.h"
- #include "address.h"
- #include "params.h"
-
- #include "fips202x4.h"
-
- /**
- * 4-way parallel version of thash; takes 4x as much input and output
- */
- #define thash_variant(name, inblocks) \
- void PQCLEAN_SPHINCSSHAKE256192SROBUST_AVX2_thashx4_##name(unsigned char *out0, \
- unsigned char *out1, \
- unsigned char *out2, \
- unsigned char *out3, \
- const unsigned char *in0, \
- const unsigned char *in1, \
- const unsigned char *in2, \
- const unsigned char *in3, \
- const unsigned char *pub_seed, uint32_t addrx4[4*8], \
- const hash_state *state_seeded) \
- { \
- unsigned char buf0[PQCLEAN_SPHINCSSHAKE256192SROBUST_AVX2_N + PQCLEAN_SPHINCSSHAKE256192SROBUST_AVX2_ADDR_BYTES + (inblocks)*PQCLEAN_SPHINCSSHAKE256192SROBUST_AVX2_N]; \
- unsigned char buf1[PQCLEAN_SPHINCSSHAKE256192SROBUST_AVX2_N + PQCLEAN_SPHINCSSHAKE256192SROBUST_AVX2_ADDR_BYTES + (inblocks)*PQCLEAN_SPHINCSSHAKE256192SROBUST_AVX2_N]; \
- unsigned char buf2[PQCLEAN_SPHINCSSHAKE256192SROBUST_AVX2_N + PQCLEAN_SPHINCSSHAKE256192SROBUST_AVX2_ADDR_BYTES + (inblocks)*PQCLEAN_SPHINCSSHAKE256192SROBUST_AVX2_N]; \
- unsigned char buf3[PQCLEAN_SPHINCSSHAKE256192SROBUST_AVX2_N + PQCLEAN_SPHINCSSHAKE256192SROBUST_AVX2_ADDR_BYTES + (inblocks)*PQCLEAN_SPHINCSSHAKE256192SROBUST_AVX2_N]; \
- unsigned char bitmask0[(inblocks) * PQCLEAN_SPHINCSSHAKE256192SROBUST_AVX2_N]; \
- unsigned char bitmask1[(inblocks) * PQCLEAN_SPHINCSSHAKE256192SROBUST_AVX2_N]; \
- unsigned char bitmask2[(inblocks) * PQCLEAN_SPHINCSSHAKE256192SROBUST_AVX2_N]; \
- unsigned char bitmask3[(inblocks) * PQCLEAN_SPHINCSSHAKE256192SROBUST_AVX2_N]; \
- unsigned int i; \
- \
- memcpy(buf0, pub_seed, PQCLEAN_SPHINCSSHAKE256192SROBUST_AVX2_N); \
- memcpy(buf1, pub_seed, PQCLEAN_SPHINCSSHAKE256192SROBUST_AVX2_N); \
- memcpy(buf2, pub_seed, PQCLEAN_SPHINCSSHAKE256192SROBUST_AVX2_N); \
- memcpy(buf3, pub_seed, PQCLEAN_SPHINCSSHAKE256192SROBUST_AVX2_N); \
- PQCLEAN_SPHINCSSHAKE256192SROBUST_AVX2_addr_to_bytes(buf0 + PQCLEAN_SPHINCSSHAKE256192SROBUST_AVX2_N, addrx4 + 0*8); \
- PQCLEAN_SPHINCSSHAKE256192SROBUST_AVX2_addr_to_bytes(buf1 + PQCLEAN_SPHINCSSHAKE256192SROBUST_AVX2_N, addrx4 + 1*8); \
- PQCLEAN_SPHINCSSHAKE256192SROBUST_AVX2_addr_to_bytes(buf2 + PQCLEAN_SPHINCSSHAKE256192SROBUST_AVX2_N, addrx4 + 2*8); \
- PQCLEAN_SPHINCSSHAKE256192SROBUST_AVX2_addr_to_bytes(buf3 + PQCLEAN_SPHINCSSHAKE256192SROBUST_AVX2_N, addrx4 + 3*8); \
- \
- PQCLEAN_SPHINCSSHAKE256192SROBUST_AVX2_shake256x4(bitmask0, bitmask1, bitmask2, bitmask3, (inblocks) * PQCLEAN_SPHINCSSHAKE256192SROBUST_AVX2_N, \
- buf0, buf1, buf2, buf3, PQCLEAN_SPHINCSSHAKE256192SROBUST_AVX2_N + PQCLEAN_SPHINCSSHAKE256192SROBUST_AVX2_ADDR_BYTES); \
- \
- for (i = 0; i < (inblocks) * PQCLEAN_SPHINCSSHAKE256192SROBUST_AVX2_N; i++) { \
- buf0[PQCLEAN_SPHINCSSHAKE256192SROBUST_AVX2_N + PQCLEAN_SPHINCSSHAKE256192SROBUST_AVX2_ADDR_BYTES + i] = in0[i] ^ bitmask0[i]; \
- buf1[PQCLEAN_SPHINCSSHAKE256192SROBUST_AVX2_N + PQCLEAN_SPHINCSSHAKE256192SROBUST_AVX2_ADDR_BYTES + i] = in1[i] ^ bitmask1[i]; \
- buf2[PQCLEAN_SPHINCSSHAKE256192SROBUST_AVX2_N + PQCLEAN_SPHINCSSHAKE256192SROBUST_AVX2_ADDR_BYTES + i] = in2[i] ^ bitmask2[i]; \
- buf3[PQCLEAN_SPHINCSSHAKE256192SROBUST_AVX2_N + PQCLEAN_SPHINCSSHAKE256192SROBUST_AVX2_ADDR_BYTES + i] = in3[i] ^ bitmask3[i]; \
- } \
- \
- PQCLEAN_SPHINCSSHAKE256192SROBUST_AVX2_shake256x4( \
- out0, out1, out2, out3, PQCLEAN_SPHINCSSHAKE256192SROBUST_AVX2_N, \
- buf0, buf1, buf2, buf3, PQCLEAN_SPHINCSSHAKE256192SROBUST_AVX2_N + PQCLEAN_SPHINCSSHAKE256192SROBUST_AVX2_ADDR_BYTES + (inblocks)*PQCLEAN_SPHINCSSHAKE256192SROBUST_AVX2_N); \
- \
- /* avoid unused parameter warning */ \
- (void)state_seeded; \
- }
-
-
- thash_variant(1, 1)
- thash_variant(2, 2)
- thash_variant(WOTS_LEN, PQCLEAN_SPHINCSSHAKE256192SROBUST_AVX2_WOTS_LEN)
- thash_variant(FORS_TREES, PQCLEAN_SPHINCSSHAKE256192SROBUST_AVX2_FORS_TREES)
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