67 lines
5.9 KiB
C
67 lines
5.9 KiB
C
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#include <stdint.h>
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#include <string.h>
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#include "thashx4.h"
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#include "address.h"
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#include "params.h"
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#include "fips202x4.h"
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/**
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* 4-way parallel version of thash; takes 4x as much input and output
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*/
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#define thash_variant(name, inblocks) \
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void PQCLEAN_SPHINCSSHAKE256128FROBUST_AVX2_thashx4_##name(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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const unsigned char *in0, \
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const unsigned char *in1, \
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const unsigned char *in2, \
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const unsigned char *in3, \
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const unsigned char *pub_seed, uint32_t addrx4[4*8], \
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const hash_state *state_seeded) \
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{ \
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unsigned char buf0[PQCLEAN_SPHINCSSHAKE256128FROBUST_AVX2_N + PQCLEAN_SPHINCSSHAKE256128FROBUST_AVX2_ADDR_BYTES + (inblocks)*PQCLEAN_SPHINCSSHAKE256128FROBUST_AVX2_N]; \
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unsigned char buf1[PQCLEAN_SPHINCSSHAKE256128FROBUST_AVX2_N + PQCLEAN_SPHINCSSHAKE256128FROBUST_AVX2_ADDR_BYTES + (inblocks)*PQCLEAN_SPHINCSSHAKE256128FROBUST_AVX2_N]; \
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unsigned char buf2[PQCLEAN_SPHINCSSHAKE256128FROBUST_AVX2_N + PQCLEAN_SPHINCSSHAKE256128FROBUST_AVX2_ADDR_BYTES + (inblocks)*PQCLEAN_SPHINCSSHAKE256128FROBUST_AVX2_N]; \
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unsigned char buf3[PQCLEAN_SPHINCSSHAKE256128FROBUST_AVX2_N + PQCLEAN_SPHINCSSHAKE256128FROBUST_AVX2_ADDR_BYTES + (inblocks)*PQCLEAN_SPHINCSSHAKE256128FROBUST_AVX2_N]; \
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unsigned char bitmask0[(inblocks) * PQCLEAN_SPHINCSSHAKE256128FROBUST_AVX2_N]; \
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unsigned char bitmask1[(inblocks) * PQCLEAN_SPHINCSSHAKE256128FROBUST_AVX2_N]; \
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unsigned char bitmask2[(inblocks) * PQCLEAN_SPHINCSSHAKE256128FROBUST_AVX2_N]; \
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unsigned char bitmask3[(inblocks) * PQCLEAN_SPHINCSSHAKE256128FROBUST_AVX2_N]; \
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unsigned int i; \
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\
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memcpy(buf0, pub_seed, PQCLEAN_SPHINCSSHAKE256128FROBUST_AVX2_N); \
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memcpy(buf1, pub_seed, PQCLEAN_SPHINCSSHAKE256128FROBUST_AVX2_N); \
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memcpy(buf2, pub_seed, PQCLEAN_SPHINCSSHAKE256128FROBUST_AVX2_N); \
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memcpy(buf3, pub_seed, PQCLEAN_SPHINCSSHAKE256128FROBUST_AVX2_N); \
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PQCLEAN_SPHINCSSHAKE256128FROBUST_AVX2_addr_to_bytes(buf0 + PQCLEAN_SPHINCSSHAKE256128FROBUST_AVX2_N, addrx4 + 0*8); \
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PQCLEAN_SPHINCSSHAKE256128FROBUST_AVX2_addr_to_bytes(buf1 + PQCLEAN_SPHINCSSHAKE256128FROBUST_AVX2_N, addrx4 + 1*8); \
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PQCLEAN_SPHINCSSHAKE256128FROBUST_AVX2_addr_to_bytes(buf2 + PQCLEAN_SPHINCSSHAKE256128FROBUST_AVX2_N, addrx4 + 2*8); \
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PQCLEAN_SPHINCSSHAKE256128FROBUST_AVX2_addr_to_bytes(buf3 + PQCLEAN_SPHINCSSHAKE256128FROBUST_AVX2_N, addrx4 + 3*8); \
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\
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PQCLEAN_SPHINCSSHAKE256128FROBUST_AVX2_shake256x4(bitmask0, bitmask1, bitmask2, bitmask3, (inblocks) * PQCLEAN_SPHINCSSHAKE256128FROBUST_AVX2_N, \
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buf0, buf1, buf2, buf3, PQCLEAN_SPHINCSSHAKE256128FROBUST_AVX2_N + PQCLEAN_SPHINCSSHAKE256128FROBUST_AVX2_ADDR_BYTES); \
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\
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for (i = 0; i < (inblocks) * PQCLEAN_SPHINCSSHAKE256128FROBUST_AVX2_N; i++) { \
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buf0[PQCLEAN_SPHINCSSHAKE256128FROBUST_AVX2_N + PQCLEAN_SPHINCSSHAKE256128FROBUST_AVX2_ADDR_BYTES + i] = in0[i] ^ bitmask0[i]; \
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buf1[PQCLEAN_SPHINCSSHAKE256128FROBUST_AVX2_N + PQCLEAN_SPHINCSSHAKE256128FROBUST_AVX2_ADDR_BYTES + i] = in1[i] ^ bitmask1[i]; \
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buf2[PQCLEAN_SPHINCSSHAKE256128FROBUST_AVX2_N + PQCLEAN_SPHINCSSHAKE256128FROBUST_AVX2_ADDR_BYTES + i] = in2[i] ^ bitmask2[i]; \
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buf3[PQCLEAN_SPHINCSSHAKE256128FROBUST_AVX2_N + PQCLEAN_SPHINCSSHAKE256128FROBUST_AVX2_ADDR_BYTES + i] = in3[i] ^ bitmask3[i]; \
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} \
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\
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PQCLEAN_SPHINCSSHAKE256128FROBUST_AVX2_shake256x4( \
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out0, out1, out2, out3, PQCLEAN_SPHINCSSHAKE256128FROBUST_AVX2_N, \
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buf0, buf1, buf2, buf3, PQCLEAN_SPHINCSSHAKE256128FROBUST_AVX2_N + PQCLEAN_SPHINCSSHAKE256128FROBUST_AVX2_ADDR_BYTES + (inblocks)*PQCLEAN_SPHINCSSHAKE256128FROBUST_AVX2_N); \
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\
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/* avoid unused parameter warning */ \
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(void)state_seeded; \
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}
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thash_variant(1, 1)
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thash_variant(2, 2)
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thash_variant(WOTS_LEN, PQCLEAN_SPHINCSSHAKE256128FROBUST_AVX2_WOTS_LEN)
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thash_variant(FORS_TREES, PQCLEAN_SPHINCSSHAKE256128FROBUST_AVX2_FORS_TREES)
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