Delete bundled copy of OpenSSL and replace with README.

openssl/crypto/bn/bn_shift.c

Index: openssl/crypto/bn/bn_shift.c
diff --git a/openssl/crypto/bn/bn_shift.c b/openssl/crypto/bn/bn_shift.c
deleted file mode 100644
index a6fca2c424f0c7e77110d66fe740500ce4563af1..0000000000000000000000000000000000000000
--- a/openssl/crypto/bn/bn_shift.c
+++ /dev/null
@@ -1,223 +0,0 @@
-/* crypto/bn/bn_shift.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"
-
-int BN_lshift1(BIGNUM *r, const BIGNUM *a)
-	{
-	register BN_ULONG *ap,*rp,t,c;
-	int i;
-
-	bn_check_top(r);
-	bn_check_top(a);
-
-	if (r != a)
-		{
-		r->neg=a->neg;
-		if (bn_wexpand(r,a->top+1) == NULL) return(0);
-		r->top=a->top;
-		}
-	else
-		{
-		if (bn_wexpand(r,a->top+1) == NULL) return(0);
-		}
-	ap=a->d;
-	rp=r->d;
-	c=0;
-	for (i=0; i<a->top; i++)
-		{
-		t= *(ap++);
-		*(rp++)=((t<<1)|c)&BN_MASK2;
-		c=(t & BN_TBIT)?1:0;
-		}
-	if (c)
-		{
-		*rp=1;
-		r->top++;
-		}
-	bn_check_top(r);
-	return(1);
-	}
-
-int BN_rshift1(BIGNUM *r, const BIGNUM *a)
-	{
-	BN_ULONG *ap,*rp,t,c;
-	int i,j;
-
-	bn_check_top(r);
-	bn_check_top(a);
-
-	if (BN_is_zero(a))
-		{
-		BN_zero(r);
-		return(1);
-		}
-	i = a->top;
-	ap= a->d;
-	j = i-(ap[i-1]==1);
-	if (a != r)
-		{
-		if (bn_wexpand(r,j) == NULL) return(0);
-		r->neg=a->neg;
-		}
-	rp=r->d;
-	t=ap[--i];
-	c=(t&1)?BN_TBIT:0;
-	if (t>>=1) rp[i]=t;
-	while (i>0)
-		{
-		t=ap[--i];
-		rp[i]=((t>>1)&BN_MASK2)|c;
-		c=(t&1)?BN_TBIT:0;
-		}
-	r->top=j;
-	bn_check_top(r);
-	return(1);
-	}
-
-int BN_lshift(BIGNUM *r, const BIGNUM *a, int n)
-	{
-	int i,nw,lb,rb;
-	BN_ULONG *t,*f;
-	BN_ULONG l;
-
-	bn_check_top(r);
-	bn_check_top(a);
-
-	r->neg=a->neg;
-	nw=n/BN_BITS2;
-	if (bn_wexpand(r,a->top+nw+1) == NULL) return(0);
-	lb=n%BN_BITS2;
-	rb=BN_BITS2-lb;
-	f=a->d;
-	t=r->d;
-	t[a->top+nw]=0;
-	if (lb == 0)
-		for (i=a->top-1; i>=0; i--)
-			t[nw+i]=f[i];
-	else
-		for (i=a->top-1; i>=0; i--)
-			{
-			l=f[i];
-			t[nw+i+1]|=(l>>rb)&BN_MASK2;
-			t[nw+i]=(l<<lb)&BN_MASK2;
-			}
-	memset(t,0,nw*sizeof(t[0]));
-/*	for (i=0; i<nw; i++)
-		t[i]=0;*/
-	r->top=a->top+nw+1;
-	bn_correct_top(r);
-	bn_check_top(r);
-	return(1);
-	}
-
-int BN_rshift(BIGNUM *r, const BIGNUM *a, int n)
-	{
-	int i,j,nw,lb,rb;
-	BN_ULONG *t,*f;
-	BN_ULONG l,tmp;
-
-	bn_check_top(r);
-	bn_check_top(a);
-
-	nw=n/BN_BITS2;
-	rb=n%BN_BITS2;
-	lb=BN_BITS2-rb;
-	if (nw >= a->top || a->top == 0)
-		{
-		BN_zero(r);
-		return(1);
-		}
-	i = (BN_num_bits(a)-n+(BN_BITS2-1))/BN_BITS2;
-	if (r != a)
-		{
-		r->neg=a->neg;
-		if (bn_wexpand(r,i) == NULL) return(0);
-		}
-	else
-		{
-		if (n == 0)
-			return 1; /* or the copying loop will go berserk */
-		}
-
-	f= &(a->d[nw]);
-	t=r->d;
-	j=a->top-nw;
-	r->top=i;
-
-	if (rb == 0)
-		{
-		for (i=j; i != 0; i--)
-			*(t++)= *(f++);
-		}
-	else
-		{
-		l= *(f++);
-		for (i=j-1; i != 0; i--)
-			{
-			tmp =(l>>rb)&BN_MASK2;
-			l= *(f++);
-			*(t++) =(tmp|(l<<lb))&BN_MASK2;
-			}
-		if ((l = (l>>rb)&BN_MASK2)) *(t) = l;
-		}
-	bn_check_top(r);
-	return(1);
-	}