chromium/third_party/boringssl/src/crypto/fipsmodule/ec/felem.c.inc

/* Copyright (c) 2018, Google Inc.
 *
 * 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/ec.h>
#include <openssl/err.h>
#include <openssl/mem.h>

#include <assert.h>

#include "internal.h"
#include "../bn/internal.h"
#include "../../internal.h"


const EC_FELEM *ec_felem_one(const EC_GROUP *group) { … }

int ec_bignum_to_felem(const EC_GROUP *group, EC_FELEM *out, const BIGNUM *in) { … }

int ec_felem_to_bignum(const EC_GROUP *group, BIGNUM *out, const EC_FELEM *in) { … }

void ec_felem_to_bytes(const EC_GROUP *group, uint8_t *out, size_t *out_len,
                       const EC_FELEM *in) { … }

int ec_felem_from_bytes(const EC_GROUP *group, EC_FELEM *out, const uint8_t *in,
                        size_t len) { … }

void ec_felem_neg(const EC_GROUP *group, EC_FELEM *out, const EC_FELEM *a) { … }

void ec_felem_add(const EC_GROUP *group, EC_FELEM *out, const EC_FELEM *a,
                  const EC_FELEM *b) { … }

void ec_felem_sub(const EC_GROUP *group, EC_FELEM *out, const EC_FELEM *a,
                  const EC_FELEM *b) { … }

BN_ULONG ec_felem_non_zero_mask(const EC_GROUP *group, const EC_FELEM *a) { … }

void ec_felem_select(const EC_GROUP *group, EC_FELEM *out, BN_ULONG mask,
                     const EC_FELEM *a, const EC_FELEM *b) { … }

int ec_felem_equal(const EC_GROUP *group, const EC_FELEM *a,
                   const EC_FELEM *b) { … }