Delete bundled copy of OpenSSL and replace with README.

openssl/crypto/modes/xts128.c

Index: openssl/crypto/modes/xts128.c
diff --git a/openssl/crypto/modes/xts128.c b/openssl/crypto/modes/xts128.c
deleted file mode 100644
index 9cf27a25e9607b67cfcd5b696b5cdbf1e9aae77f..0000000000000000000000000000000000000000
--- a/openssl/crypto/modes/xts128.c
+++ /dev/null
@@ -1,187 +0,0 @@
-/* ====================================================================
- * Copyright (c) 2011 The OpenSSL Project.  All rights reserved.
- *
- * 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 above 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 acknowledgment:
- *    "This product includes software developed by the OpenSSL Project
- *    for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
- *
- * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
- *    endorse or promote products derived from this software without
- *    prior written permission. For written permission, please contact
- *    openssl-core@openssl.org.
- *
- * 5. Products derived from this software may not be called "OpenSSL"
- *    nor may "OpenSSL" appear in their names without prior written
- *    permission of the OpenSSL Project.
- *
- * 6. Redistributions of any form whatsoever must retain the following
- *    acknowledgment:
- *    "This product includes software developed by the OpenSSL Project
- *    for use in the OpenSSL Toolkit (http://www.openssl.org/)"
- *
- * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
- * EXPRESSED 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 OpenSSL PROJECT OR
- * ITS 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.
- * ====================================================================
- */
-
-#include <openssl/crypto.h>
-#include "modes_lcl.h"
-#include <string.h>
-
-#ifndef MODES_DEBUG
-# ifndef NDEBUG
-#  define NDEBUG
-# endif
-#endif
-#include <assert.h>
-
-int CRYPTO_xts128_encrypt(const XTS128_CONTEXT *ctx, const unsigned char iv[16],
-	const unsigned char *inp, unsigned char *out,
-	size_t len, int enc)
-{
-	const union { long one; char little; } is_endian = {1};
-	union { u64 u[2]; u32 d[4]; u8 c[16]; } tweak, scratch;
-	unsigned int i;
-
-	if (len<16) return -1;
-
-	memcpy(tweak.c, iv, 16);
-
-	(*ctx->block2)(tweak.c,tweak.c,ctx->key2);
-
-	if (!enc && (len%16)) len-=16;
-
-	while (len>=16) {
-#if defined(STRICT_ALIGNMENT)
-		memcpy(scratch.c,inp,16);
-		scratch.u[0] ^= tweak.u[0];
-		scratch.u[1] ^= tweak.u[1];
-#else
-		scratch.u[0] = ((u64*)inp)[0]^tweak.u[0];
-		scratch.u[1] = ((u64*)inp)[1]^tweak.u[1];
-#endif
-		(*ctx->block1)(scratch.c,scratch.c,ctx->key1);
-#if defined(STRICT_ALIGNMENT)
-		scratch.u[0] ^= tweak.u[0];
-		scratch.u[1] ^= tweak.u[1];
-		memcpy(out,scratch.c,16);
-#else
-		((u64*)out)[0] = scratch.u[0]^=tweak.u[0];
-		((u64*)out)[1] = scratch.u[1]^=tweak.u[1];
-#endif
-		inp += 16;
-		out += 16;
-		len -= 16;
-
-		if (len==0)	return 0;
-
-		if (is_endian.little) {
-			unsigned int carry,res;
-			
-			res = 0x87&(((int)tweak.d[3])>>31);
-			carry = (unsigned int)(tweak.u[0]>>63);
-			tweak.u[0] = (tweak.u[0]<<1)^res;
-			tweak.u[1] = (tweak.u[1]<<1)|carry;
-		}
-		else {
-			size_t c;
-
-			for (c=0,i=0;i<16;++i) {
-				/*+ substitutes for |, because c is 1 bit */ 
-				c += ((size_t)tweak.c[i])<<1;
-				tweak.c[i] = (u8)c;
-				c = c>>8;
-			}
-			tweak.c[0] ^= (u8)(0x87&(0-c));
-		}
-	}
-	if (enc) {
-		for (i=0;i<len;++i) {
-			u8 c = inp[i];
-			out[i] = scratch.c[i];
-			scratch.c[i] = c;
-		}
-		scratch.u[0] ^= tweak.u[0];
-		scratch.u[1] ^= tweak.u[1];
-		(*ctx->block1)(scratch.c,scratch.c,ctx->key1);
-		scratch.u[0] ^= tweak.u[0];
-		scratch.u[1] ^= tweak.u[1];
-		memcpy(out-16,scratch.c,16);
-	}
-	else {
-		union { u64 u[2]; u8 c[16]; } tweak1;
-
-		if (is_endian.little) {
-			unsigned int carry,res;
-
-			res = 0x87&(((int)tweak.d[3])>>31);
-			carry = (unsigned int)(tweak.u[0]>>63);
-			tweak1.u[0] = (tweak.u[0]<<1)^res;
-			tweak1.u[1] = (tweak.u[1]<<1)|carry;
-		}
-		else {
-			size_t c;
-
-			for (c=0,i=0;i<16;++i) {
-				/*+ substitutes for |, because c is 1 bit */ 
-				c += ((size_t)tweak.c[i])<<1;
-				tweak1.c[i] = (u8)c;
-				c = c>>8;
-			}
-			tweak1.c[0] ^= (u8)(0x87&(0-c));
-		}
-#if defined(STRICT_ALIGNMENT)
-		memcpy(scratch.c,inp,16);
-		scratch.u[0] ^= tweak1.u[0];
-		scratch.u[1] ^= tweak1.u[1];
-#else
-		scratch.u[0] = ((u64*)inp)[0]^tweak1.u[0];
-		scratch.u[1] = ((u64*)inp)[1]^tweak1.u[1];
-#endif
-		(*ctx->block1)(scratch.c,scratch.c,ctx->key1);
-		scratch.u[0] ^= tweak1.u[0];
-		scratch.u[1] ^= tweak1.u[1];
-
-		for (i=0;i<len;++i) {
-			u8 c = inp[16+i];
-			out[16+i] = scratch.c[i];
-			scratch.c[i] = c;
-		}
-		scratch.u[0] ^= tweak.u[0];
-		scratch.u[1] ^= tweak.u[1];
-		(*ctx->block1)(scratch.c,scratch.c,ctx->key1);
-#if defined(STRICT_ALIGNMENT)
-		scratch.u[0] ^= tweak.u[0];
-		scratch.u[1] ^= tweak.u[1];
-		memcpy (out,scratch.c,16);
-#else
-		((u64*)out)[0] = scratch.u[0]^tweak.u[0];
-		((u64*)out)[1] = scratch.u[1]^tweak.u[1];
-#endif
-	}
-
-	return 0;
-}