chromium/third_party/boringssl/src/crypto/spx/spx.c

/* Copyright (c) 2023, Google LLC
 *
 * Permission to use, copy, modify, and/or distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
 * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
 * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
 * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */

#include <openssl/base.h>

#include <string.h>

#define OPENSSL_UNSTABLE_EXPERIMENTAL_SPX
#include <openssl/experimental/spx.h>
#include <openssl/rand.h>

#include "./address.h"
#include "./fors.h"
#include "./merkle.h"
#include "./params.h"
#include "./spx_util.h"
#include "./thash.h"

void SPX_generate_key(uint8_t out_public_key[SPX_PUBLIC_KEY_BYTES],
                      uint8_t out_secret_key[SPX_SECRET_KEY_BYTES]) { … }

void SPX_generate_key_from_seed(uint8_t out_public_key[SPX_PUBLIC_KEY_BYTES],
                                uint8_t out_secret_key[SPX_SECRET_KEY_BYTES],
                                const uint8_t seed[3 * SPX_N]) { … }

void SPX_sign(uint8_t out_signature[SPX_SIGNATURE_BYTES],
              const uint8_t secret_key[SPX_SECRET_KEY_BYTES],
              const uint8_t *msg, size_t msg_len, int randomized) { … }

int SPX_verify(const uint8_t signature[SPX_SIGNATURE_BYTES],
               const uint8_t public_key[SPX_SECRET_KEY_BYTES],
               const uint8_t *msg, size_t msg_len) { … }