bn.c.inc | Explore in Territory

/* Copyright (C) 1995-1998 Eric Young ([email protected])
 * All rights reserved.
 *
 * This package is an SSL implementation written
 * by Eric Young ([email protected]).
 * The implementation was written so as to conform with Netscapes SSL.
 *
 * This library is free for commercial and non-commercial use as long as
 * the following conditions are aheared to.  The following conditions
 * apply to all code found in this distribution, be it the RC4, RSA,
 * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
 * included with this distribution is covered by the same copyright terms
 * except that the holder is Tim Hudson ([email protected]).
 *
 * Copyright remains Eric Young's, and as such any Copyright notices in
 * the code are not to be removed.
 * If this package is used in a product, Eric Young should be given attribution
 * as the author of the parts of the library used.
 * This can be in the form of a textual message at program startup or
 * in documentation (online or textual) provided with the package.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *    "This product includes cryptographic software written by
 *     Eric Young ([email protected])"
 *    The word 'cryptographic' can be left out if the rouines from the library
 *    being used are not cryptographic related :-).
 * 4. If you include any Windows specific code (or a derivative thereof) from
 *    the apps directory (application code) you must include an acknowledgement:
 *    "This product includes software written by Tim Hudson ([email protected])"
 *
 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 *
 * The licence and distribution terms for any publically available version or
 * derivative of this code cannot be changed.  i.e. this code cannot simply be
 * copied and put under another distribution licence
 * [including the GNU Public Licence.] */

#include <openssl/bn.h>

#include <assert.h>
#include <limits.h>
#include <string.h>

#include <openssl/err.h>
#include <openssl/mem.h>

#include "internal.h"
#include "../delocate.h"


// BN_MAX_WORDS is the maximum number of words allowed in a |BIGNUM|. It is
// sized so byte and bit counts of a |BIGNUM| always fit in |int|, with room to
// spare.
#define BN_MAX_WORDS …

BIGNUM *BN_new(void) { … }

BIGNUM *BN_secure_new(void) { … }

void BN_init(BIGNUM *bn) { … }

void BN_free(BIGNUM *bn) { … }

void BN_clear_free(BIGNUM *bn) { … }

BIGNUM *BN_dup(const BIGNUM *src) { … }

BIGNUM *BN_copy(BIGNUM *dest, const BIGNUM *src) { … }

void BN_clear(BIGNUM *bn) { … }

DEFINE_METHOD_FUNCTION(BIGNUM, BN_value_one) { … }

// BN_num_bits_word returns the minimum number of bits needed to represent the
// value in |l|.
unsigned BN_num_bits_word(BN_ULONG l) { … }

unsigned BN_num_bits(const BIGNUM *bn) { … }

unsigned BN_num_bytes(const BIGNUM *bn) { … }

void BN_zero(BIGNUM *bn) { … }

int BN_one(BIGNUM *bn) { … }

int BN_set_word(BIGNUM *bn, BN_ULONG value) { … }

int BN_set_u64(BIGNUM *bn, uint64_t value) { … }

int bn_set_words(BIGNUM *bn, const BN_ULONG *words, size_t num) { … }

void bn_set_static_words(BIGNUM *bn, const BN_ULONG *words, size_t num) { … }

int bn_fits_in_words(const BIGNUM *bn, size_t num) { … }

int bn_copy_words(BN_ULONG *out, size_t num, const BIGNUM *bn) { … }

int BN_is_negative(const BIGNUM *bn) { … }

void BN_set_negative(BIGNUM *bn, int sign) { … }

int bn_wexpand(BIGNUM *bn, size_t words) { … }

int bn_expand(BIGNUM *bn, size_t bits) { … }

int bn_resize_words(BIGNUM *bn, size_t words) { … }

void bn_select_words(BN_ULONG *r, BN_ULONG mask, const BN_ULONG *a,
                     const BN_ULONG *b, size_t num) { … }

int bn_minimal_width(const BIGNUM *bn) { … }

void bn_set_minimal_width(BIGNUM *bn) { … }
chromium/third_party/boringssl/src/crypto/fipsmodule/bn/bn.c.inc
