diff options
author | Bob Beck <beck@cvs.openbsd.org> | 1999-09-29 04:37:45 +0000 |
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committer | Bob Beck <beck@cvs.openbsd.org> | 1999-09-29 04:37:45 +0000 |
commit | ca679cff5e2a72ad205119c981e695c8cc640970 (patch) | |
tree | 691368331190f762b9f484d059ec119620396521 /lib/libcrypto/bn/bn_mod.c | |
parent | 30902ef04e4a800063b5f4afdbf1732ad34aa6b3 (diff) |
OpenSSL 0.9.4 merge
Diffstat (limited to 'lib/libcrypto/bn/bn_mod.c')
-rw-r--r-- | lib/libcrypto/bn/bn_mod.c | 97 |
1 files changed, 0 insertions, 97 deletions
diff --git a/lib/libcrypto/bn/bn_mod.c b/lib/libcrypto/bn/bn_mod.c deleted file mode 100644 index c351aac14f0..00000000000 --- a/lib/libcrypto/bn/bn_mod.c +++ /dev/null @@ -1,97 +0,0 @@ -/* crypto/bn/bn_mod.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. - * - * 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 <stdio.h> -#include "cryptlib.h" -#include "bn_lcl.h" - -/* rem != m */ -int BN_mod(rem, m, d,ctx) -BIGNUM *rem; -BIGNUM *m; -BIGNUM *d; -BN_CTX *ctx; - { -#if 0 /* The old slow way */ - int i,nm,nd; - BIGNUM *dv; - - if (BN_ucmp(m,d) < 0) - return((BN_copy(rem,m) == NULL)?0:1); - - dv=ctx->bn[ctx->tos]; - - if (!BN_copy(rem,m)) return(0); - - nm=BN_num_bits(rem); - nd=BN_num_bits(d); - if (!BN_lshift(dv,d,nm-nd)) return(0); - for (i=nm-nd; i>=0; i--) - { - if (BN_cmp(rem,dv) >= 0) - { - if (!BN_sub(rem,rem,dv)) return(0); - } - if (!BN_rshift1(dv,dv)) return(0); - } - return(1); -#else - return(BN_div(NULL,rem,m,d,ctx)); -#endif - } - |