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Diffstat (limited to 'package/ead/src/tinysrp/bn_mul.c')
| -rw-r--r-- | package/ead/src/tinysrp/bn_mul.c | 176 |
1 files changed, 0 insertions, 176 deletions
diff --git a/package/ead/src/tinysrp/bn_mul.c b/package/ead/src/tinysrp/bn_mul.c deleted file mode 100644 index d2d9fc5571..0000000000 --- a/package/ead/src/tinysrp/bn_mul.c +++ /dev/null @@ -1,176 +0,0 @@ -/* crypto/bn/bn_mul.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 <string.h> -#include "bn_lcl.h" - -int BN_mul(BIGNUM *r, BIGNUM *a, BIGNUM *b, BN_CTX *ctx) - { - int top,al,bl; - BIGNUM *rr; - int ret = 0; -#if defined(BN_MUL_COMBA) || defined(BN_RECURSION) - int i; -#endif -#ifdef BN_RECURSION - BIGNUM *t; - int j,k; -#endif - -#ifdef BN_COUNT - printf("BN_mul %d * %d\n",a->top,b->top); -#endif - - bn_check_top(a); - bn_check_top(b); - bn_check_top(r); - - al=a->top; - bl=b->top; - - if ((al == 0) || (bl == 0)) - { - BN_zero(r); - return(1); - } - top=al+bl; - - BN_CTX_start(ctx); - if ((r == a) || (r == b)) - { - if ((rr = BN_CTX_get(ctx)) == NULL) goto err; - } - else - rr = r; - rr->neg=a->neg^b->neg; - -#if defined(BN_MUL_COMBA) || defined(BN_RECURSION) - i = al-bl; -#endif -#ifdef BN_MUL_COMBA - if (i == 0) - { -# if 0 - if (al == 4) - { - if (bn_wexpand(rr,8) == NULL) goto err; - rr->top=8; - bn_mul_comba4(rr->d,a->d,b->d); - goto end; - } -# endif - if (al == 8) - { - if (bn_wexpand(rr,16) == NULL) goto err; - rr->top=16; - bn_mul_comba8(rr->d,a->d,b->d); - goto end; - } - } -#endif /* BN_MUL_COMBA */ - if (bn_wexpand(rr,top) == NULL) goto err; - rr->top=top; - bn_mul_normal(rr->d,a->d,al,b->d,bl); - -#if defined(BN_MUL_COMBA) || defined(BN_RECURSION) -end: -#endif - bn_fix_top(rr); - if (r != rr) BN_copy(r,rr); - ret=1; -err: - BN_CTX_end(ctx); - return(ret); - } - -void bn_mul_normal(BN_ULONG *r, BN_ULONG *a, int na, BN_ULONG *b, int nb) - { - BN_ULONG *rr; - -#ifdef BN_COUNT - printf(" bn_mul_normal %d * %d\n",na,nb); -#endif - - if (na < nb) - { - int itmp; - BN_ULONG *ltmp; - - itmp=na; na=nb; nb=itmp; - ltmp=a; a=b; b=ltmp; - - } - rr= &(r[na]); - rr[0]=bn_mul_words(r,a,na,b[0]); - - for (;;) - { - if (--nb <= 0) return; - rr[1]=bn_mul_add_words(&(r[1]),a,na,b[1]); - if (--nb <= 0) return; - rr[2]=bn_mul_add_words(&(r[2]),a,na,b[2]); - if (--nb <= 0) return; - rr[3]=bn_mul_add_words(&(r[3]),a,na,b[3]); - if (--nb <= 0) return; - rr[4]=bn_mul_add_words(&(r[4]),a,na,b[4]); - rr+=4; - r+=4; - b+=4; - } - } |