mirror of
https://github.com/henrydcase/pqc.git
synced 2024-11-22 23:48:58 +00:00
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
82 lines
3.7 KiB
C
82 lines
3.7 KiB
C
#include <stdint.h>
|
|
#include <string.h>
|
|
|
|
#include "address.h"
|
|
#include "params.h"
|
|
#include "thash.h"
|
|
|
|
#include "fips202.h"
|
|
|
|
/**
|
|
* Takes an array of inblocks concatenated arrays of PQCLEAN_SPHINCSSHAKE256256FROBUST_AVX2_N bytes.
|
|
*/
|
|
static void PQCLEAN_SPHINCSSHAKE256256FROBUST_AVX2_thash(
|
|
unsigned char *out, unsigned char *buf,
|
|
const unsigned char *in, unsigned int inblocks,
|
|
const unsigned char *pub_seed, uint32_t addr[8]) {
|
|
|
|
unsigned char *bitmask = buf + PQCLEAN_SPHINCSSHAKE256256FROBUST_AVX2_N + PQCLEAN_SPHINCSSHAKE256256FROBUST_AVX2_ADDR_BYTES;
|
|
unsigned int i;
|
|
|
|
memcpy(buf, pub_seed, PQCLEAN_SPHINCSSHAKE256256FROBUST_AVX2_N);
|
|
PQCLEAN_SPHINCSSHAKE256256FROBUST_AVX2_addr_to_bytes(buf + PQCLEAN_SPHINCSSHAKE256256FROBUST_AVX2_N, addr);
|
|
|
|
shake256(bitmask, inblocks * PQCLEAN_SPHINCSSHAKE256256FROBUST_AVX2_N, buf, PQCLEAN_SPHINCSSHAKE256256FROBUST_AVX2_N + PQCLEAN_SPHINCSSHAKE256256FROBUST_AVX2_ADDR_BYTES);
|
|
|
|
for (i = 0; i < inblocks * PQCLEAN_SPHINCSSHAKE256256FROBUST_AVX2_N; i++) {
|
|
buf[PQCLEAN_SPHINCSSHAKE256256FROBUST_AVX2_N + PQCLEAN_SPHINCSSHAKE256256FROBUST_AVX2_ADDR_BYTES + i] = in[i] ^ bitmask[i];
|
|
}
|
|
|
|
shake256(out, PQCLEAN_SPHINCSSHAKE256256FROBUST_AVX2_N, buf, PQCLEAN_SPHINCSSHAKE256256FROBUST_AVX2_N + PQCLEAN_SPHINCSSHAKE256256FROBUST_AVX2_ADDR_BYTES + inblocks * PQCLEAN_SPHINCSSHAKE256256FROBUST_AVX2_N);
|
|
}
|
|
|
|
/* The wrappers below ensure that we use fixed-size buffers on the stack */
|
|
|
|
void PQCLEAN_SPHINCSSHAKE256256FROBUST_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_SPHINCSSHAKE256256FROBUST_AVX2_N + PQCLEAN_SPHINCSSHAKE256256FROBUST_AVX2_ADDR_BYTES + 1 * PQCLEAN_SPHINCSSHAKE256256FROBUST_AVX2_N];
|
|
PQCLEAN_SPHINCSSHAKE256256FROBUST_AVX2_thash(
|
|
out, buf, in, 1, pub_seed, addr);
|
|
|
|
(void)hash_state_seeded; /* Avoid unused parameter warning. */
|
|
}
|
|
|
|
void PQCLEAN_SPHINCSSHAKE256256FROBUST_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_SPHINCSSHAKE256256FROBUST_AVX2_N + PQCLEAN_SPHINCSSHAKE256256FROBUST_AVX2_ADDR_BYTES + 2 * PQCLEAN_SPHINCSSHAKE256256FROBUST_AVX2_N];
|
|
PQCLEAN_SPHINCSSHAKE256256FROBUST_AVX2_thash(
|
|
out, buf, in, 2, pub_seed, addr);
|
|
|
|
(void)hash_state_seeded; /* Avoid unused parameter warning. */
|
|
}
|
|
|
|
void PQCLEAN_SPHINCSSHAKE256256FROBUST_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_SPHINCSSHAKE256256FROBUST_AVX2_N + PQCLEAN_SPHINCSSHAKE256256FROBUST_AVX2_ADDR_BYTES + PQCLEAN_SPHINCSSHAKE256256FROBUST_AVX2_WOTS_LEN * PQCLEAN_SPHINCSSHAKE256256FROBUST_AVX2_N];
|
|
PQCLEAN_SPHINCSSHAKE256256FROBUST_AVX2_thash(
|
|
out, buf, in, PQCLEAN_SPHINCSSHAKE256256FROBUST_AVX2_WOTS_LEN, pub_seed, addr);
|
|
|
|
(void)hash_state_seeded; /* Avoid unused parameter warning. */
|
|
}
|
|
|
|
void PQCLEAN_SPHINCSSHAKE256256FROBUST_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_SPHINCSSHAKE256256FROBUST_AVX2_N + PQCLEAN_SPHINCSSHAKE256256FROBUST_AVX2_ADDR_BYTES + PQCLEAN_SPHINCSSHAKE256256FROBUST_AVX2_FORS_TREES * PQCLEAN_SPHINCSSHAKE256256FROBUST_AVX2_N];
|
|
PQCLEAN_SPHINCSSHAKE256256FROBUST_AVX2_thash(
|
|
out, buf, in, PQCLEAN_SPHINCSSHAKE256256FROBUST_AVX2_FORS_TREES, pub_seed, addr);
|
|
|
|
(void)hash_state_seeded; /* Avoid unused parameter warning. */
|
|
}
|