Delete bundled copy of OpenSSL and replace with README.

openssl/crypto/aes/aes_ige.c

Index: openssl/crypto/aes/aes_ige.c
diff --git a/openssl/crypto/aes/aes_ige.c b/openssl/crypto/aes/aes_ige.c
deleted file mode 100644
index c161351e6545f34af0ef08ddef687dd62ea0e96b..0000000000000000000000000000000000000000
--- a/openssl/crypto/aes/aes_ige.c
+++ /dev/null
@@ -1,323 +0,0 @@
-/* crypto/aes/aes_ige.c -*- mode:C; c-file-style: "eay" -*- */
-/* ====================================================================
- * Copyright (c) 2006 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 "cryptlib.h"
-
-#include <openssl/aes.h>
-#include "aes_locl.h"
-
-#define N_WORDS (AES_BLOCK_SIZE / sizeof(unsigned long))
-typedef struct {
-        unsigned long data[N_WORDS];
-} aes_block_t;
-
-/* XXX: probably some better way to do this */
-#if defined(__i386__) || defined(__x86_64__)
-#define UNALIGNED_MEMOPS_ARE_FAST 1
-#else
-#define UNALIGNED_MEMOPS_ARE_FAST 0
-#endif
-
-#if UNALIGNED_MEMOPS_ARE_FAST
-#define load_block(d, s)        (d) = *(const aes_block_t *)(s)
-#define store_block(d, s)       *(aes_block_t *)(d) = (s)
-#else
-#define load_block(d, s)        memcpy((d).data, (s), AES_BLOCK_SIZE)
-#define store_block(d, s)       memcpy((d), (s).data, AES_BLOCK_SIZE)
-#endif
-
-/* N.B. The IV for this mode is _twice_ the block size */
-
-void AES_ige_encrypt(const unsigned char *in, unsigned char *out,
-					 size_t length, const AES_KEY *key,
-					 unsigned char *ivec, const int enc)
-	{
-	size_t n;
-	size_t len = length;
-
-	OPENSSL_assert(in && out && key && ivec);
-	OPENSSL_assert((AES_ENCRYPT == enc)||(AES_DECRYPT == enc));
-	OPENSSL_assert((length%AES_BLOCK_SIZE) == 0);
-
-	len = length / AES_BLOCK_SIZE;
-
-	if (AES_ENCRYPT == enc)
-		{
-		if (in != out &&
-		    (UNALIGNED_MEMOPS_ARE_FAST || ((size_t)in|(size_t)out|(size_t)ivec)%sizeof(long)==0))
-			{
-			aes_block_t *ivp = (aes_block_t *)ivec;
-			aes_block_t *iv2p = (aes_block_t *)(ivec + AES_BLOCK_SIZE);
-
-			while (len)
-				{
-				aes_block_t *inp = (aes_block_t *)in;
-				aes_block_t *outp = (aes_block_t *)out;
-
-				for(n=0 ; n < N_WORDS; ++n)
-					outp->data[n] = inp->data[n] ^ ivp->data[n];
-				AES_encrypt((unsigned char *)outp->data, (unsigned char *)outp->data, key);
-				for(n=0 ; n < N_WORDS; ++n)
-					outp->data[n] ^= iv2p->data[n];
-				ivp = outp;
-				iv2p = inp;
-				--len;
-				in += AES_BLOCK_SIZE;
-				out += AES_BLOCK_SIZE;
-				}
-			memcpy(ivec, ivp->data, AES_BLOCK_SIZE);
-			memcpy(ivec + AES_BLOCK_SIZE, iv2p->data, AES_BLOCK_SIZE);
-			}
-		else
-			{
-			aes_block_t tmp, tmp2;
-			aes_block_t iv;
-			aes_block_t iv2;
-
-			load_block(iv, ivec);
-			load_block(iv2, ivec + AES_BLOCK_SIZE);
-
-			while (len)
-				{
-				load_block(tmp, in);
-				for(n=0 ; n < N_WORDS; ++n)
-					tmp2.data[n] = tmp.data[n] ^ iv.data[n];
-				AES_encrypt((unsigned char *)tmp2.data, (unsigned char *)tmp2.data, key);
-				for(n=0 ; n < N_WORDS; ++n)
-					tmp2.data[n] ^= iv2.data[n];
-				store_block(out, tmp2);
-				iv = tmp2;
-				iv2 = tmp;
-				--len;
-				in += AES_BLOCK_SIZE;
-				out += AES_BLOCK_SIZE;
-				}
-			memcpy(ivec, iv.data, AES_BLOCK_SIZE);
-			memcpy(ivec + AES_BLOCK_SIZE, iv2.data, AES_BLOCK_SIZE);
-			}
-		}
-	else
-		{
-		if (in != out &&
-		    (UNALIGNED_MEMOPS_ARE_FAST || ((size_t)in|(size_t)out|(size_t)ivec)%sizeof(long)==0))
-			{
-			aes_block_t *ivp = (aes_block_t *)ivec;
-			aes_block_t *iv2p = (aes_block_t *)(ivec + AES_BLOCK_SIZE);
-
-			while (len)
-				{
-				aes_block_t tmp;
-				aes_block_t *inp = (aes_block_t *)in;
-				aes_block_t *outp = (aes_block_t *)out;
-
-				for(n=0 ; n < N_WORDS; ++n)
-					tmp.data[n] = inp->data[n] ^ iv2p->data[n];
-				AES_decrypt((unsigned char *)tmp.data, (unsigned char *)outp->data, key);
-				for(n=0 ; n < N_WORDS; ++n)
-					outp->data[n] ^= ivp->data[n];
-				ivp = inp;
-				iv2p = outp;
-				--len;
-				in += AES_BLOCK_SIZE;
-				out += AES_BLOCK_SIZE;
-				}
-			memcpy(ivec, ivp->data, AES_BLOCK_SIZE);
-			memcpy(ivec + AES_BLOCK_SIZE, iv2p->data, AES_BLOCK_SIZE);
-			}
-		else
-			{
-			aes_block_t tmp, tmp2;
-			aes_block_t iv;
-			aes_block_t iv2;
-
-			load_block(iv, ivec);
-			load_block(iv2, ivec + AES_BLOCK_SIZE);
-
-			while (len)
-				{
-				load_block(tmp, in);
-				tmp2 = tmp;
-				for(n=0 ; n < N_WORDS; ++n)
-					tmp.data[n] ^= iv2.data[n];
-				AES_decrypt((unsigned char *)tmp.data, (unsigned char *)tmp.data, key);
-				for(n=0 ; n < N_WORDS; ++n)
-					tmp.data[n] ^= iv.data[n];
-				store_block(out, tmp);
-				iv = tmp2;
-				iv2 = tmp;
-				--len;
-				in += AES_BLOCK_SIZE;
-				out += AES_BLOCK_SIZE;
-				}
-			memcpy(ivec, iv.data, AES_BLOCK_SIZE);
-			memcpy(ivec + AES_BLOCK_SIZE, iv2.data, AES_BLOCK_SIZE);
-			}
-		}
-	}
-
-/*
- * Note that its effectively impossible to do biIGE in anything other
- * than a single pass, so no provision is made for chaining.
- */
-
-/* N.B. The IV for this mode is _four times_ the block size */
-
-void AES_bi_ige_encrypt(const unsigned char *in, unsigned char *out,
-						size_t length, const AES_KEY *key,
-						const AES_KEY *key2, const unsigned char *ivec,
-						const int enc)
-	{
-	size_t n;
-	size_t len = length;
-	unsigned char tmp[AES_BLOCK_SIZE];
-	unsigned char tmp2[AES_BLOCK_SIZE];
-	unsigned char tmp3[AES_BLOCK_SIZE];
-	unsigned char prev[AES_BLOCK_SIZE];
-	const unsigned char *iv;
-	const unsigned char *iv2;
-
-	OPENSSL_assert(in && out && key && ivec);
-	OPENSSL_assert((AES_ENCRYPT == enc)||(AES_DECRYPT == enc));
-	OPENSSL_assert((length%AES_BLOCK_SIZE) == 0);
-
-	if (AES_ENCRYPT == enc)
-		{
-		/* XXX: Do a separate case for when in != out (strictly should
-		   check for overlap, too) */
-
-		/* First the forward pass */ 
-		iv = ivec;
-		iv2 = ivec + AES_BLOCK_SIZE;
-		while (len >= AES_BLOCK_SIZE)
-			{
-			for(n=0 ; n < AES_BLOCK_SIZE ; ++n)
-				out[n] = in[n] ^ iv[n];
-			AES_encrypt(out, out, key);
-			for(n=0 ; n < AES_BLOCK_SIZE ; ++n)
-				out[n] ^= iv2[n];
-			iv = out;
-			memcpy(prev, in, AES_BLOCK_SIZE);
-			iv2 = prev;
-			len -= AES_BLOCK_SIZE;
-			in += AES_BLOCK_SIZE;
-			out += AES_BLOCK_SIZE;
-			}
-
-		/* And now backwards */
-		iv = ivec + AES_BLOCK_SIZE*2;
-		iv2 = ivec + AES_BLOCK_SIZE*3;
-		len = length;
-		while(len >= AES_BLOCK_SIZE)
-			{
-			out -= AES_BLOCK_SIZE;
-			/* XXX: reduce copies by alternating between buffers */
-			memcpy(tmp, out, AES_BLOCK_SIZE);
-			for(n=0 ; n < AES_BLOCK_SIZE ; ++n)
-				out[n] ^= iv[n];
-			/*			hexdump(stdout, "out ^ iv", out, AES_BLOCK_SIZE); */
-			AES_encrypt(out, out, key);
-			/*			hexdump(stdout,"enc", out, AES_BLOCK_SIZE); */
-			/*			hexdump(stdout,"iv2", iv2, AES_BLOCK_SIZE); */
-			for(n=0 ; n < AES_BLOCK_SIZE ; ++n)
-				out[n] ^= iv2[n];
-			/*			hexdump(stdout,"out", out, AES_BLOCK_SIZE); */
-			iv = out;
-			memcpy(prev, tmp, AES_BLOCK_SIZE);
-			iv2 = prev;
-			len -= AES_BLOCK_SIZE;
-			}
-		}
-	else
-		{
-		/* First backwards */
-		iv = ivec + AES_BLOCK_SIZE*2;
-		iv2 = ivec + AES_BLOCK_SIZE*3;
-		in += length;
-		out += length;
-		while (len >= AES_BLOCK_SIZE)
-			{
-			in -= AES_BLOCK_SIZE;
-			out -= AES_BLOCK_SIZE;
-			memcpy(tmp, in, AES_BLOCK_SIZE);
-			memcpy(tmp2, in, AES_BLOCK_SIZE);
-			for(n=0 ; n < AES_BLOCK_SIZE ; ++n)
-				tmp[n] ^= iv2[n];
-			AES_decrypt(tmp, out, key);
-			for(n=0 ; n < AES_BLOCK_SIZE ; ++n)
-				out[n] ^= iv[n];
-			memcpy(tmp3, tmp2, AES_BLOCK_SIZE);
-			iv = tmp3;
-			iv2 = out;
-			len -= AES_BLOCK_SIZE;
-			}
-
-		/* And now forwards */
-		iv = ivec;
-		iv2 = ivec + AES_BLOCK_SIZE;
-		len = length;
-		while (len >= AES_BLOCK_SIZE)
-			{
-			memcpy(tmp, out, AES_BLOCK_SIZE);
-			memcpy(tmp2, out, AES_BLOCK_SIZE);
-			for(n=0 ; n < AES_BLOCK_SIZE ; ++n)
-				tmp[n] ^= iv2[n];
-			AES_decrypt(tmp, out, key);
-			for(n=0 ; n < AES_BLOCK_SIZE ; ++n)
-				out[n] ^= iv[n];
-			memcpy(tmp3, tmp2, AES_BLOCK_SIZE);
-			iv = tmp3;
-			iv2 = out;
-			len -= AES_BLOCK_SIZE;
-			in += AES_BLOCK_SIZE;
-			out += AES_BLOCK_SIZE;
-			}
-		}
-	}