chromium/third_party/boringssl/src/crypto/fipsmodule/ec/simple_mul.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 <assert.h>

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


void ec_GFp_mont_mul(const EC_GROUP *group, EC_JACOBIAN *r,
                     const EC_JACOBIAN *p, const EC_SCALAR *scalar) { … }

void ec_GFp_mont_mul_base(const EC_GROUP *group, EC_JACOBIAN *r,
                          const EC_SCALAR *scalar) { … }

static void ec_GFp_mont_batch_precomp(const EC_GROUP *group, EC_JACOBIAN *out,
                                      size_t num, const EC_JACOBIAN *p) { … }

static void ec_GFp_mont_batch_get_window(const EC_GROUP *group,
                                         EC_JACOBIAN *out,
                                         const EC_JACOBIAN precomp[17],
                                         const EC_SCALAR *scalar, unsigned i) { … }

void ec_GFp_mont_mul_batch(const EC_GROUP *group, EC_JACOBIAN *r,
                           const EC_JACOBIAN *p0, const EC_SCALAR *scalar0,
                           const EC_JACOBIAN *p1, const EC_SCALAR *scalar1,
                           const EC_JACOBIAN *p2, const EC_SCALAR *scalar2) { … }

static unsigned ec_GFp_mont_comb_stride(const EC_GROUP *group) { … }

int ec_GFp_mont_init_precomp(const EC_GROUP *group, EC_PRECOMP *out,
                             const EC_JACOBIAN *p) { … }

static void ec_GFp_mont_get_comb_window(const EC_GROUP *group,
                                        EC_JACOBIAN *out,
                                        const EC_PRECOMP *precomp,
                                        const EC_SCALAR *scalar, unsigned i) { … }

void ec_GFp_mont_mul_precomp(const EC_GROUP *group, EC_JACOBIAN *r,
                             const EC_PRECOMP *p0, const EC_SCALAR *scalar0,
                             const EC_PRECOMP *p1, const EC_SCALAR *scalar1,
                             const EC_PRECOMP *p2, const EC_SCALAR *scalar2) { … }