mirror of
https://github.com/henrydcase/pqc.git
synced 2024-11-23 16:08:59 +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
76 lines
3.2 KiB
C
76 lines
3.2 KiB
C
#include <stdint.h>
|
|
#include <string.h>
|
|
|
|
#include "address.h"
|
|
#include "params.h"
|
|
#include "thash.h"
|
|
|
|
#include "sha2.h"
|
|
#include "sha256.h"
|
|
|
|
/**
|
|
* Takes an array of inblocks concatenated arrays of PQCLEAN_SPHINCSSHA256256SSIMPLE_AVX2_N bytes.
|
|
*/
|
|
static void PQCLEAN_SPHINCSSHA256256SSIMPLE_AVX2_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 outbuf[PQCLEAN_SPHINCSSHA256256SSIMPLE_AVX2_SHA256_OUTPUT_BYTES];
|
|
sha256ctx sha2_state;
|
|
|
|
(void)pub_seed; /* Suppress an 'unused parameter' warning. */
|
|
|
|
/* Retrieve precomputed state containing pub_seed */
|
|
sha256_inc_clone_state(&sha2_state, &hash_state_seeded->x1);
|
|
|
|
PQCLEAN_SPHINCSSHA256256SSIMPLE_AVX2_compress_address(buf, addr);
|
|
memcpy(buf + PQCLEAN_SPHINCSSHA256256SSIMPLE_AVX2_SHA256_ADDR_BYTES, in, inblocks * PQCLEAN_SPHINCSSHA256256SSIMPLE_AVX2_N);
|
|
|
|
sha256_inc_finalize(outbuf, &sha2_state, buf, PQCLEAN_SPHINCSSHA256256SSIMPLE_AVX2_SHA256_ADDR_BYTES + inblocks * PQCLEAN_SPHINCSSHA256256SSIMPLE_AVX2_N);
|
|
memcpy(out, outbuf, PQCLEAN_SPHINCSSHA256256SSIMPLE_AVX2_N);
|
|
}
|
|
|
|
/* The wrappers below ensure that we use fixed-size buffers on the stack */
|
|
|
|
void PQCLEAN_SPHINCSSHA256256SSIMPLE_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_SPHINCSSHA256256SSIMPLE_AVX2_SHA256_ADDR_BYTES + 1 * PQCLEAN_SPHINCSSHA256256SSIMPLE_AVX2_N];
|
|
PQCLEAN_SPHINCSSHA256256SSIMPLE_AVX2_thash(
|
|
out, buf, in, 1, pub_seed, addr, hash_state_seeded);
|
|
}
|
|
|
|
void PQCLEAN_SPHINCSSHA256256SSIMPLE_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_SPHINCSSHA256256SSIMPLE_AVX2_SHA256_ADDR_BYTES + 2 * PQCLEAN_SPHINCSSHA256256SSIMPLE_AVX2_N];
|
|
PQCLEAN_SPHINCSSHA256256SSIMPLE_AVX2_thash(
|
|
out, buf, in, 2, pub_seed, addr, hash_state_seeded);
|
|
}
|
|
|
|
void PQCLEAN_SPHINCSSHA256256SSIMPLE_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_SPHINCSSHA256256SSIMPLE_AVX2_SHA256_ADDR_BYTES + PQCLEAN_SPHINCSSHA256256SSIMPLE_AVX2_WOTS_LEN * PQCLEAN_SPHINCSSHA256256SSIMPLE_AVX2_N];
|
|
PQCLEAN_SPHINCSSHA256256SSIMPLE_AVX2_thash(
|
|
out, buf, in, PQCLEAN_SPHINCSSHA256256SSIMPLE_AVX2_WOTS_LEN, pub_seed, addr, hash_state_seeded);
|
|
}
|
|
|
|
void PQCLEAN_SPHINCSSHA256256SSIMPLE_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_SPHINCSSHA256256SSIMPLE_AVX2_SHA256_ADDR_BYTES + PQCLEAN_SPHINCSSHA256256SSIMPLE_AVX2_FORS_TREES * PQCLEAN_SPHINCSSHA256256SSIMPLE_AVX2_N];
|
|
PQCLEAN_SPHINCSSHA256256SSIMPLE_AVX2_thash(
|
|
out, buf, in, PQCLEAN_SPHINCSSHA256256SSIMPLE_AVX2_FORS_TREES, pub_seed, addr, hash_state_seeded);
|
|
}
|