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Diffstat (limited to 'package/ead/src/tinysrp/bn_word.c')
| -rw-r--r-- | package/ead/src/tinysrp/bn_word.c | 130 |
1 files changed, 0 insertions, 130 deletions
diff --git a/package/ead/src/tinysrp/bn_word.c b/package/ead/src/tinysrp/bn_word.c deleted file mode 100644 index 7820e08..0000000 --- a/package/ead/src/tinysrp/bn_word.c +++ /dev/null @@ -1,130 +0,0 @@ -/* crypto/bn/bn_word.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 "bn_lcl.h" - -int BN_add_word(BIGNUM *a, BN_ULONG w) - { - BN_ULONG l; - int i; - - if (a->neg) - { - a->neg=0; - i=BN_sub_word(a,w); - if (!BN_is_zero(a)) - a->neg=!(a->neg); - return(i); - } - w&=BN_MASK2; - if (bn_wexpand(a,a->top+1) == NULL) return(0); - i=0; - for (;;) - { - l=(a->d[i]+(BN_ULONG)w)&BN_MASK2; - a->d[i]=l; - if (w > l) - w=1; - else - break; - i++; - } - if (i >= a->top) - a->top++; - return(1); - } - -int BN_sub_word(BIGNUM *a, BN_ULONG w) - { - int i; - - if (BN_is_zero(a) || a->neg) - { - a->neg=0; - i=BN_add_word(a,w); - a->neg=1; - return(i); - } - - w&=BN_MASK2; - if ((a->top == 1) && (a->d[0] < w)) - { - a->d[0]=w-a->d[0]; - a->neg=1; - return(1); - } - i=0; - for (;;) - { - if (a->d[i] >= w) - { - a->d[i]-=w; - break; - } - else - { - a->d[i]=(a->d[i]-w)&BN_MASK2; - i++; - w=1; - } - } - if ((a->d[i] == 0) && (i == (a->top-1))) - a->top--; - return(1); - } |