a655ec8a9d
* 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
95 lines
4.1 KiB
C
95 lines
4.1 KiB
C
#include <stdint.h>
|
|
#include <string.h>
|
|
|
|
#include "address.h"
|
|
#include "hash_state.h"
|
|
#include "params.h"
|
|
#include "thash.h"
|
|
|
|
#include "haraka.h"
|
|
|
|
/**
|
|
* Takes an array of inblocks concatenated arrays of PQCLEAN_SPHINCSHARAKA256SROBUST_AESNI_N bytes.
|
|
*/
|
|
static void PQCLEAN_SPHINCSHARAKA256SROBUST_AESNI_thash(
|
|
unsigned char *out, unsigned char *buf,
|
|
const unsigned char *in, unsigned int inblocks,
|
|
const unsigned char *pub_seed, uint32_t addr[8],
|
|
const hash_state *hash_state_seeded) {
|
|
|
|
unsigned char *bitmask = buf + PQCLEAN_SPHINCSHARAKA256SROBUST_AESNI_ADDR_BYTES;
|
|
unsigned char outbuf[32];
|
|
unsigned char buf_tmp[64];
|
|
unsigned int i;
|
|
|
|
(void)pub_seed; /* Suppress an 'unused parameter' warning. */
|
|
|
|
if (inblocks == 1) {
|
|
/* F function */
|
|
/* Since PQCLEAN_SPHINCSHARAKA256SROBUST_AESNI_N may be smaller than 32, we need a temporary buffer. */
|
|
memset(buf_tmp, 0, 64);
|
|
PQCLEAN_SPHINCSHARAKA256SROBUST_AESNI_addr_to_bytes(buf_tmp, addr);
|
|
|
|
PQCLEAN_SPHINCSHARAKA256SROBUST_AESNI_haraka256(outbuf, buf_tmp, hash_state_seeded);
|
|
for (i = 0; i < inblocks * PQCLEAN_SPHINCSHARAKA256SROBUST_AESNI_N; i++) {
|
|
buf_tmp[PQCLEAN_SPHINCSHARAKA256SROBUST_AESNI_ADDR_BYTES + i] = in[i] ^ outbuf[i];
|
|
}
|
|
PQCLEAN_SPHINCSHARAKA256SROBUST_AESNI_haraka512(outbuf, buf_tmp, hash_state_seeded);
|
|
memcpy(out, outbuf, PQCLEAN_SPHINCSHARAKA256SROBUST_AESNI_N);
|
|
} else {
|
|
/* All other tweakable hashes*/
|
|
PQCLEAN_SPHINCSHARAKA256SROBUST_AESNI_addr_to_bytes(buf, addr);
|
|
PQCLEAN_SPHINCSHARAKA256SROBUST_AESNI_haraka_S(
|
|
bitmask, inblocks * PQCLEAN_SPHINCSHARAKA256SROBUST_AESNI_N, buf, PQCLEAN_SPHINCSHARAKA256SROBUST_AESNI_ADDR_BYTES, hash_state_seeded);
|
|
|
|
for (i = 0; i < inblocks * PQCLEAN_SPHINCSHARAKA256SROBUST_AESNI_N; i++) {
|
|
buf[PQCLEAN_SPHINCSHARAKA256SROBUST_AESNI_ADDR_BYTES + i] = in[i] ^ bitmask[i];
|
|
}
|
|
|
|
PQCLEAN_SPHINCSHARAKA256SROBUST_AESNI_haraka_S(
|
|
out, PQCLEAN_SPHINCSHARAKA256SROBUST_AESNI_N, buf, PQCLEAN_SPHINCSHARAKA256SROBUST_AESNI_ADDR_BYTES + inblocks * PQCLEAN_SPHINCSHARAKA256SROBUST_AESNI_N, hash_state_seeded);
|
|
}
|
|
}
|
|
|
|
/* The wrappers below ensure that we use fixed-size buffers on the stack */
|
|
|
|
void PQCLEAN_SPHINCSHARAKA256SROBUST_AESNI_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_SPHINCSHARAKA256SROBUST_AESNI_ADDR_BYTES + 1 * PQCLEAN_SPHINCSHARAKA256SROBUST_AESNI_N];
|
|
PQCLEAN_SPHINCSHARAKA256SROBUST_AESNI_thash(
|
|
out, buf, in, 1, pub_seed, addr, hash_state_seeded);
|
|
}
|
|
|
|
void PQCLEAN_SPHINCSHARAKA256SROBUST_AESNI_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_SPHINCSHARAKA256SROBUST_AESNI_ADDR_BYTES + 2 * PQCLEAN_SPHINCSHARAKA256SROBUST_AESNI_N];
|
|
PQCLEAN_SPHINCSHARAKA256SROBUST_AESNI_thash(
|
|
out, buf, in, 2, pub_seed, addr, hash_state_seeded);
|
|
}
|
|
|
|
void PQCLEAN_SPHINCSHARAKA256SROBUST_AESNI_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_SPHINCSHARAKA256SROBUST_AESNI_ADDR_BYTES + PQCLEAN_SPHINCSHARAKA256SROBUST_AESNI_WOTS_LEN * PQCLEAN_SPHINCSHARAKA256SROBUST_AESNI_N];
|
|
PQCLEAN_SPHINCSHARAKA256SROBUST_AESNI_thash(
|
|
out, buf, in, PQCLEAN_SPHINCSHARAKA256SROBUST_AESNI_WOTS_LEN, pub_seed, addr, hash_state_seeded);
|
|
}
|
|
|
|
void PQCLEAN_SPHINCSHARAKA256SROBUST_AESNI_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_SPHINCSHARAKA256SROBUST_AESNI_ADDR_BYTES + PQCLEAN_SPHINCSHARAKA256SROBUST_AESNI_FORS_TREES * PQCLEAN_SPHINCSHARAKA256SROBUST_AESNI_N];
|
|
PQCLEAN_SPHINCSHARAKA256SROBUST_AESNI_thash(
|
|
out, buf, in, PQCLEAN_SPHINCSHARAKA256SROBUST_AESNI_FORS_TREES, pub_seed, addr, hash_state_seeded);
|
|
}
|