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-rw-r--r--package/ead/src/tinysrp/bn_mul.c176
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diff --git a/package/ead/src/tinysrp/bn_mul.c b/package/ead/src/tinysrp/bn_mul.c
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--- a/package/ead/src/tinysrp/bn_mul.c
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-/* 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;
- }
- }