Delete bundled copy of OpenSSL and replace with README.

openssl/crypto/bn/bn_word.c

Index: openssl/crypto/bn/bn_word.c
diff --git a/openssl/crypto/bn/bn_word.c b/openssl/crypto/bn/bn_word.c
deleted file mode 100644
index de83a15b99c53c0da9c07b1619153b9240359e18..0000000000000000000000000000000000000000
--- a/openssl/crypto/bn/bn_word.c
+++ /dev/null
@@ -1,238 +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);
-		}
-	for (i=0;w!=0 && i<a->top;i++)
-		{
-		a->d[i] = l = (a->d[i]+w)&BN_MASK2;
-		w = (w>l)?1:0;
-		}
-	if (w && i==a->top)
-		{
-		if (bn_wexpand(a,a->top+1) == NULL) return 0;
-		a->top++;
-		a->d[i]=w;
-		}
-	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);
-	}
-