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- #include <stdint.h>
- #include <string.h>
-
- #include "address.h"
- #include "hash_state.h"
- #include "params.h"
- #include "thash.h"
-
- #include "fips202.h"
-
- /**
- * Takes an array of inblocks concatenated arrays of PQCLEAN_SPHINCSSHAKE256192SSIMPLE_AVX2_N bytes.
- */
- static void PQCLEAN_SPHINCSSHAKE256192SSIMPLE_AVX2_thash(
- unsigned char *out, unsigned char *buf,
- const unsigned char *in, unsigned int inblocks,
- const unsigned char *pub_seed, uint32_t addr[8]) {
-
- memcpy(buf, pub_seed, PQCLEAN_SPHINCSSHAKE256192SSIMPLE_AVX2_N);
- PQCLEAN_SPHINCSSHAKE256192SSIMPLE_AVX2_addr_to_bytes(buf + PQCLEAN_SPHINCSSHAKE256192SSIMPLE_AVX2_N, addr);
- memcpy(buf + PQCLEAN_SPHINCSSHAKE256192SSIMPLE_AVX2_N + PQCLEAN_SPHINCSSHAKE256192SSIMPLE_AVX2_ADDR_BYTES, in, inblocks * PQCLEAN_SPHINCSSHAKE256192SSIMPLE_AVX2_N);
-
- shake256(out, PQCLEAN_SPHINCSSHAKE256192SSIMPLE_AVX2_N, buf, PQCLEAN_SPHINCSSHAKE256192SSIMPLE_AVX2_N + PQCLEAN_SPHINCSSHAKE256192SSIMPLE_AVX2_ADDR_BYTES + inblocks * PQCLEAN_SPHINCSSHAKE256192SSIMPLE_AVX2_N);
- }
-
- /* The wrappers below ensure that we use fixed-size buffers on the stack */
-
- void PQCLEAN_SPHINCSSHAKE256192SSIMPLE_AVX2_thash_1(
- unsigned char *out, const unsigned char *in,
- const unsigned char *pub_seed, uint32_t addr[8],
- const hash_state *hash_state_seeded) {
-
- unsigned char buf[PQCLEAN_SPHINCSSHAKE256192SSIMPLE_AVX2_N + PQCLEAN_SPHINCSSHAKE256192SSIMPLE_AVX2_ADDR_BYTES + 1 * PQCLEAN_SPHINCSSHAKE256192SSIMPLE_AVX2_N];
- PQCLEAN_SPHINCSSHAKE256192SSIMPLE_AVX2_thash(
- out, buf, in, 1, pub_seed, addr);
-
- (void)hash_state_seeded; /* Avoid unused parameter warning. */
- }
-
- void PQCLEAN_SPHINCSSHAKE256192SSIMPLE_AVX2_thash_2(
- unsigned char *out, const unsigned char *in,
- const unsigned char *pub_seed, uint32_t addr[8],
- const hash_state *hash_state_seeded) {
-
- unsigned char buf[PQCLEAN_SPHINCSSHAKE256192SSIMPLE_AVX2_N + PQCLEAN_SPHINCSSHAKE256192SSIMPLE_AVX2_ADDR_BYTES + 2 * PQCLEAN_SPHINCSSHAKE256192SSIMPLE_AVX2_N];
- PQCLEAN_SPHINCSSHAKE256192SSIMPLE_AVX2_thash(
- out, buf, in, 2, pub_seed, addr);
-
- (void)hash_state_seeded; /* Avoid unused parameter warning. */
- }
-
- void PQCLEAN_SPHINCSSHAKE256192SSIMPLE_AVX2_thash_WOTS_LEN(
- unsigned char *out, const unsigned char *in,
- const unsigned char *pub_seed, uint32_t addr[8],
- const hash_state *hash_state_seeded) {
-
- unsigned char buf[PQCLEAN_SPHINCSSHAKE256192SSIMPLE_AVX2_N + PQCLEAN_SPHINCSSHAKE256192SSIMPLE_AVX2_ADDR_BYTES + PQCLEAN_SPHINCSSHAKE256192SSIMPLE_AVX2_WOTS_LEN * PQCLEAN_SPHINCSSHAKE256192SSIMPLE_AVX2_N];
- PQCLEAN_SPHINCSSHAKE256192SSIMPLE_AVX2_thash(
- out, buf, in, PQCLEAN_SPHINCSSHAKE256192SSIMPLE_AVX2_WOTS_LEN, pub_seed, addr);
-
- (void)hash_state_seeded; /* Avoid unused parameter warning. */
- }
-
- void PQCLEAN_SPHINCSSHAKE256192SSIMPLE_AVX2_thash_FORS_TREES(
- unsigned char *out, const unsigned char *in,
- const unsigned char *pub_seed, uint32_t addr[8],
- const hash_state *hash_state_seeded) {
-
- unsigned char buf[PQCLEAN_SPHINCSSHAKE256192SSIMPLE_AVX2_N + PQCLEAN_SPHINCSSHAKE256192SSIMPLE_AVX2_ADDR_BYTES + PQCLEAN_SPHINCSSHAKE256192SSIMPLE_AVX2_FORS_TREES * PQCLEAN_SPHINCSSHAKE256192SSIMPLE_AVX2_N];
- PQCLEAN_SPHINCSSHAKE256192SSIMPLE_AVX2_thash(
- out, buf, in, PQCLEAN_SPHINCSSHAKE256192SSIMPLE_AVX2_FORS_TREES, pub_seed, addr);
-
- (void)hash_state_seeded; /* Avoid unused parameter warning. */
- }
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