diff options
Diffstat (limited to 'package/ead/src/tinysrp/bn_sqr.c')
| -rw-r--r-- | package/ead/src/tinysrp/bn_sqr.c | 160 |
1 files changed, 0 insertions, 160 deletions
diff --git a/package/ead/src/tinysrp/bn_sqr.c b/package/ead/src/tinysrp/bn_sqr.c deleted file mode 100644 index 2d3db70e35..0000000000 --- a/package/ead/src/tinysrp/bn_sqr.c +++ /dev/null @@ -1,160 +0,0 @@ -/* crypto/bn/bn_sqr.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" - -/* r must not be a */ -/* I've just gone over this and it is now %20 faster on x86 - eay - 27 Jun 96 */ -int BN_sqr(BIGNUM *r, BIGNUM *a, BN_CTX *ctx) - { - int max,al; - int ret = 0; - BIGNUM *tmp,*rr; - -#ifdef BN_COUNT -printf("BN_sqr %d * %d\n",a->top,a->top); -#endif - bn_check_top(a); - - al=a->top; - if (al <= 0) - { - r->top=0; - return(1); - } - - BN_CTX_start(ctx); - rr=(a != r) ? r : BN_CTX_get(ctx); - tmp=BN_CTX_get(ctx); - if (tmp == NULL) goto err; - - max=(al+al); - if (bn_wexpand(rr,max+1) == NULL) goto err; - - r->neg=0; - if (al == 4) - { -#ifndef BN_SQR_COMBA - BN_ULONG t[8]; - bn_sqr_normal(rr->d,a->d,4,t); -#else - bn_sqr_comba4(rr->d,a->d); -#endif - } - else if (al == 8) - { -#ifndef BN_SQR_COMBA - BN_ULONG t[16]; - bn_sqr_normal(rr->d,a->d,8,t); -#else - bn_sqr_comba8(rr->d,a->d); -#endif - } - else - { - if (bn_wexpand(tmp,max) == NULL) goto err; - bn_sqr_normal(rr->d,a->d,al,tmp->d); - } - - rr->top=max; - if ((max > 0) && (rr->d[max-1] == 0)) rr->top--; - if (rr != r) BN_copy(r,rr); - ret = 1; - err: - BN_CTX_end(ctx); - return(ret); - } - -/* tmp must have 2*n words */ -void bn_sqr_normal(BN_ULONG *r, BN_ULONG *a, int n, BN_ULONG *tmp) - { - int i,j,max; - BN_ULONG *ap,*rp; - - max=n*2; - ap=a; - rp=r; - rp[0]=rp[max-1]=0; - rp++; - j=n; - - if (--j > 0) - { - ap++; - rp[j]=bn_mul_words(rp,ap,j,ap[-1]); - rp+=2; - } - - for (i=n-2; i>0; i--) - { - j--; - ap++; - rp[j]=bn_mul_add_words(rp,ap,j,ap[-1]); - rp+=2; - } - - bn_add_words(r,r,r,max); - - /* There will not be a carry */ - - bn_sqr_words(tmp,a,n); - - bn_add_words(r,r,tmp,max); - } |