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Diffstat (limited to 'app/openssl/crypto/bn/bn_word.c')
-rw-r--r--app/openssl/crypto/bn/bn_word.c247
1 files changed, 0 insertions, 247 deletions
diff --git a/app/openssl/crypto/bn/bn_word.c b/app/openssl/crypto/bn/bn_word.c
deleted file mode 100644
index ee7b87c4..00000000
--- a/app/openssl/crypto/bn/bn_word.c
+++ /dev/null
@@ -1,247 +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 "cryptlib.h"
-#include "bn_lcl.h"
-
-BN_ULONG BN_mod_word(const BIGNUM *a, BN_ULONG w)
- {
-#ifndef BN_LLONG
- BN_ULONG ret=0;
-#else
- BN_ULLONG ret=0;
-#endif
- int i;
-
- if (w == 0)
- return (BN_ULONG)-1;
-
- bn_check_top(a);
- w&=BN_MASK2;
- for (i=a->top-1; i>=0; i--)
- {
-#ifndef BN_LLONG
- ret=((ret<<BN_BITS4)|((a->d[i]>>BN_BITS4)&BN_MASK2l))%w;
- ret=((ret<<BN_BITS4)|(a->d[i]&BN_MASK2l))%w;
-#else
- ret=(BN_ULLONG)(((ret<<(BN_ULLONG)BN_BITS2)|a->d[i])%
- (BN_ULLONG)w);
-#endif
- }
- return((BN_ULONG)ret);
- }
-
-BN_ULONG BN_div_word(BIGNUM *a, BN_ULONG w)
- {
- BN_ULONG ret = 0;
- int i, j;
-
- bn_check_top(a);
- w &= BN_MASK2;
-
- if (!w)
- /* actually this an error (division by zero) */
- return (BN_ULONG)-1;
- if (a->top == 0)
- return 0;
-
- /* normalize input (so bn_div_words doesn't complain) */
- j = BN_BITS2 - BN_num_bits_word(w);
- w <<= j;
- if (!BN_lshift(a, a, j))
- return (BN_ULONG)-1;
-
- for (i=a->top-1; i>=0; i--)
- {
- BN_ULONG l,d;
-
- l=a->d[i];
- d=bn_div_words(ret,l,w);
- ret=(l-((d*w)&BN_MASK2))&BN_MASK2;
- a->d[i]=d;
- }
- if ((a->top > 0) && (a->d[a->top-1] == 0))
- a->top--;
- ret >>= j;
- bn_check_top(a);
- return(ret);
- }
-
-int BN_add_word(BIGNUM *a, BN_ULONG w)
- {
- BN_ULONG l;
- int i;
-
- bn_check_top(a);
- w &= BN_MASK2;
-
- /* degenerate case: w is zero */
- if (!w) return 1;
- /* degenerate case: a is zero */
- if(BN_is_zero(a)) return BN_set_word(a, w);
- /* handle 'a' when negative */
- if (a->neg)
- {
- a->neg=0;
- i=BN_sub_word(a,w);
- if (!BN_is_zero(a))
- a->neg=!(a->neg);
- return(i);
- }
- /* Only expand (and risk failing) if it's possibly necessary */
- if (((BN_ULONG)(a->d[a->top - 1] + 1) == 0) &&
- (bn_wexpand(a,a->top+1) == NULL))
- return(0);
- i=0;
- for (;;)
- {
- if (i >= a->top)
- l=w;
- else
- l=(a->d[i]+w)&BN_MASK2;
- a->d[i]=l;
- if (w > l)
- w=1;
- else
- break;
- i++;
- }
- if (i >= a->top)
- a->top++;
- bn_check_top(a);
- return(1);
- }
-
-int BN_sub_word(BIGNUM *a, BN_ULONG w)
- {
- int i;
-
- bn_check_top(a);
- w &= BN_MASK2;
-
- /* degenerate case: w is zero */
- if (!w) return 1;
- /* degenerate case: a is zero */
- if(BN_is_zero(a))
- {
- i = BN_set_word(a,w);
- if (i != 0)
- BN_set_negative(a, 1);
- return i;
- }
- /* handle 'a' when negative */
- if (a->neg)
- {
- a->neg=0;
- i=BN_add_word(a,w);
- a->neg=1;
- return(i);
- }
-
- 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--;
- bn_check_top(a);
- return(1);
- }
-
-int BN_mul_word(BIGNUM *a, BN_ULONG w)
- {
- BN_ULONG ll;
-
- bn_check_top(a);
- w&=BN_MASK2;
- if (a->top)
- {
- if (w == 0)
- BN_zero(a);
- else
- {
- ll=bn_mul_words(a->d,a->d,a->top,w);
- if (ll)
- {
- if (bn_wexpand(a,a->top+1) == NULL) return(0);
- a->d[a->top++]=ll;
- }
- }
- }
- bn_check_top(a);
- return(1);
- }
-
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