diff options
Diffstat (limited to 'Cryptlib/OpenSSL/crypto/bn/bn_recp.c')
| -rw-r--r-- | Cryptlib/OpenSSL/crypto/bn/bn_recp.c | 79 |
1 files changed, 66 insertions, 13 deletions
diff --git a/Cryptlib/OpenSSL/crypto/bn/bn_recp.c b/Cryptlib/OpenSSL/crypto/bn/bn_recp.c index 20585b9d..f047040e 100644 --- a/Cryptlib/OpenSSL/crypto/bn/bn_recp.c +++ b/Cryptlib/OpenSSL/crypto/bn/bn_recp.c @@ -1,31 +1,82 @@ -/* - * Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved. +/* crypto/bn/bn_recp.c */ +/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) + * All rights reserved. + * + * This package is an SSL implementation written + * by Eric Young (eay@cryptsoft.com). + * 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 (tjh@cryptsoft.com). + * + * 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. * - * Licensed under the OpenSSL license (the "License"). You may not use - * this file except in compliance with the License. You can obtain a copy - * in the file LICENSE in the source distribution or at - * https://www.openssl.org/source/license.html + * 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 (eay@cryptsoft.com)" + * 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 (tjh@cryptsoft.com)" + * + * 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 "internal/cryptlib.h" +#include <stdio.h> +#include "cryptlib.h" #include "bn_lcl.h" void BN_RECP_CTX_init(BN_RECP_CTX *recp) { - memset(recp, 0, sizeof(*recp)); - bn_init(&(recp->N)); - bn_init(&(recp->Nr)); + BN_init(&(recp->N)); + BN_init(&(recp->Nr)); + recp->num_bits = 0; + recp->shift = 0; + recp->flags = 0; } BN_RECP_CTX *BN_RECP_CTX_new(void) { BN_RECP_CTX *ret; - if ((ret = OPENSSL_zalloc(sizeof(*ret))) == NULL) + if ((ret = (BN_RECP_CTX *)OPENSSL_malloc(sizeof(BN_RECP_CTX))) == NULL) return (NULL); - bn_init(&(ret->N)); - bn_init(&(ret->Nr)); + BN_RECP_CTX_init(ret); ret->flags = BN_FLG_MALLOCED; return (ret); } @@ -148,6 +199,7 @@ int BN_div_recp(BIGNUM *dv, BIGNUM *rem, const BIGNUM *m, goto err; r->neg = 0; +#if 1 j = 0; while (BN_ucmp(r, &(recp->N)) >= 0) { if (j++ > 2) { @@ -159,6 +211,7 @@ int BN_div_recp(BIGNUM *dv, BIGNUM *rem, const BIGNUM *m, if (!BN_add_word(d, 1)) goto err; } +#endif r->neg = BN_is_zero(r) ? 0 : m->neg; d->neg = m->neg ^ recp->N.neg; |