diff options
Diffstat (limited to 'crypto/openssl/crypto/bn/old/b_sqr.c')
| -rw-r--r-- | crypto/openssl/crypto/bn/old/b_sqr.c | 199 |
1 files changed, 0 insertions, 199 deletions
diff --git a/crypto/openssl/crypto/bn/old/b_sqr.c b/crypto/openssl/crypto/bn/old/b_sqr.c deleted file mode 100644 index 715cb1c8abbd..000000000000 --- a/crypto/openssl/crypto/bn/old/b_sqr.c +++ /dev/null @@ -1,199 +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 "cryptlib.h" -#include "bn_lcl.h" - -static int bn_mm(BIGNUM *m,BIGNUM *A,BIGNUM *B, BIGNUM *sk,BN_CTX *ctx); - -/* r must be different to a and b */ -/* int BN_mmul(r, a, b) */ -int BN_mul(BIGNUM *r, BIGNUM *a, BIGNUM *b) - { - BN_ULONG *ap,*bp,*rp; - BIGNUM *sk; - int i,n,ret; - int max,al,bl; - BN_CTX ctx; - - bn_check_top(a); - bn_check_top(b); - - al=a->top; - bl=b->top; - if ((al == 0) || (bl == 0)) - { - r->top=0; - return(1); - } -#ifdef BN_MUL_DEBUG -printf("BN_mul(%d,%d)\n",a->top,b->top); -#endif - - if ( (bn_limit_bits > 0) && - (bl > bn_limit_num) && (al > bn_limit_num)) - { - n=(BN_num_bits_word(al|bl)-bn_limit_bits); - n*=2; - sk=(BIGNUM *)Malloc(sizeof(BIGNUM)*n); - memset(sk,0,sizeof(BIGNUM)*n); - memset(&ctx,0,sizeof(ctx)); - - ret=bn_mm(r,a,b,&(sk[0]),&ctx); - for (i=0; i<n; i+=2) - { - BN_clear_free(&sk[i]); - BN_clear_free(&sk[i+1]); - } - Free(sk); - return(ret); - } - - max=(al+bl); - if (bn_wexpand(r,max) == NULL) return(0); - r->top=max; - r->neg=a->neg^b->neg; - ap=a->d; - bp=b->d; - rp=r->d; - - rp[al]=bn_mul_words(rp,ap,al,*(bp++)); - rp++; - for (i=1; i<bl; i++) - { - rp[al]=bn_mul_add_words(rp,ap,al,*(bp++)); - rp++; - } - if ((max > 0) && (r->d[max-1] == 0)) r->top--; - return(1); - } - - -#define ahal (sk[0]) -#define blbh (sk[1]) - -/* r must be different to a and b */ -int bn_mm(BIGNUM *m, BIGNUM *A, BIGNUM *B, BIGNUM *sk, BN_CTX *ctx) - { - int n,num,sqr=0; - int an,bn; - BIGNUM ah,al,bh,bl; - - an=A->top; - bn=B->top; -#ifdef BN_MUL_DEBUG -printf("bn_mm(%d,%d)\n",A->top,B->top); -#endif - - if (A == B) sqr=1; - num=(an>bn)?an:bn; - n=(num+1)/2; - /* Are going to now chop things into 'num' word chunks. */ - - BN_init(&ah); - BN_init(&al); - BN_init(&bh); - BN_init(&bl); - - bn_set_low (&al,A,n); - bn_set_high(&ah,A,n); - bn_set_low (&bl,B,n); - bn_set_high(&bh,B,n); - - BN_sub(&ahal,&ah,&al); - BN_sub(&blbh,&bl,&bh); - - if (num <= (bn_limit_num+bn_limit_num)) - { - BN_mul(m,&ahal,&blbh); - if (sqr) - { - BN_sqr(&ahal,&al,ctx); - BN_sqr(&blbh,&ah,ctx); - } - else - { - BN_mul(&ahal,&al,&bl); - BN_mul(&blbh,&ah,&bh); - } - } - else - { - bn_mm(m,&ahal,&blbh,&(sk[2]),ctx); - bn_mm(&ahal,&al,&bl,&(sk[2]),ctx); - bn_mm(&blbh,&ah,&bh,&(sk[2]),ctx); - } - - BN_add(m,m,&ahal); - BN_add(m,m,&blbh); - - BN_lshift(m,m,n*BN_BITS2); - BN_lshift(&blbh,&blbh,n*BN_BITS2*2); - - BN_add(m,m,&ahal); - BN_add(m,m,&blbh); - - m->neg=A->neg^B->neg; - return(1); - } -#undef ahal (sk[0]) -#undef blbh (sk[1]) - -#include "bn_low.c" -#include "bn_high.c" |