Camellia cipher, contributed by NTT

Submitted by: Masashi Fujita
Reviewed by: Bodo Moeller

crypto/camellia/Makefile

+#
+# crypto/camellia/Makefile
+#
+
+DIR= camellia
+TOP=	../..
+CC=	cc
+CPP=	$(CC) -E
+INCLUDES=
+CFLAG=-g
+MAKEFILE=	Makefile
+AR=		ar r
+
+CAMELLIA_ASM_OBJ=
+
+CFLAGS= $(INCLUDES) $(CFLAG)
+ASFLAGS= $(INCLUDES) $(ASFLAG)
+AFLAGS= $(ASFLAGS)
+
+GENERAL=Makefile
+#TEST=camelliatest.c
+APPS=
+
+LIB=$(TOP)/libcrypto.a
+LIBSRC=camellia.c cmll_misc.c cmll_ecb.c cmll_cbc.c cmll_ofb.c \
+	   cmll_cfb.c cmll_ctr.c 
+
+LIBOBJ= camellia.o cmll_misc.o cmll_ecb.o cmll_cbc.o cmll_ofb.o \
+		cmll_cfb.o cmll_ctr.o $(CAMELLIA_ASM_OBJ)
+
+SRC= $(LIBSRC)
+
+EXHEADER= camellia.h
+HEADER= cmll_locl.h $(EXHEADER)
+
+ALL=    $(GENERAL) $(SRC) $(HEADER)
+
+top:
+	(cd ../..; $(MAKE) DIRS=crypto SDIRS=$(DIR) sub_all)
+
+all:	lib
+
+lib:	$(LIBOBJ)
+	$(AR) $(LIB) $(LIBOBJ)
+	$(RANLIB) $(LIB) || echo Never mind.
+	@touch lib
+
+$(LIBOBJ): $(LIBSRC)
+
+
+files:
+	$(PERL) $(TOP)/util/files.pl Makefile >> $(TOP)/MINFO
+
+links:
+	@$(PERL) $(TOP)/util/mklink.pl ../../include/openssl $(EXHEADER)
+	@$(PERL) $(TOP)/util/mklink.pl ../../test $(TEST)
+	@$(PERL) $(TOP)/util/mklink.pl ../../apps $(APPS)
+
+install:
+	@[ -n "$(INSTALLTOP)" ] # should be set by top Makefile...
+	@headerlist="$(EXHEADER)"; for i in $$headerlist ; \
+	do  \
+	(cp $$i $(INSTALL_PREFIX)$(INSTALLTOP)/include/openssl/$$i; \
+	chmod 644 $(INSTALL_PREFIX)$(INSTALLTOP)/include/openssl/$$i ); \
+	done;
+
+tags:
+	ctags $(SRC)
+
+tests:
+
+lint:
+	lint -DLINT $(INCLUDES) $(SRC)>fluff
+
+depend:
+	@[ -n "$(MAKEDEPEND)" ] # should be set by upper Makefile...
+	$(MAKEDEPEND) -- $(CFLAG) $(INCLUDES) $(DEPFLAG) -- $(PROGS) $(LIBSRC)
+
+dclean:
+	$(PERL) -pe 'if (/^# DO NOT DELETE THIS LINE/) {print; exit(0);}' $(MAKEFILE) >Makefile.new
+	mv -f Makefile.new $(MAKEFILE)
+
+clean:
+	rm -f *.s *.o *.obj lib tags core .pure .nfs* *.old *.bak fluff
+
+# DO NOT DELETE THIS LINE -- make depend depends on it.
+
+camellia.o: ../../include/openssl/opensslconf.h camellia.c camellia.h
+camellia.o: cmll_locl.h
+cmll_cbc.o: ../../include/openssl/camellia.h
+cmll_cbc.o: ../../include/openssl/opensslconf.h cmll_cbc.c cmll_locl.h
+cmll_cfb.o: ../../e_os.h ../../include/openssl/camellia.h
+cmll_cfb.o: ../../include/openssl/e_os2.h ../../include/openssl/opensslconf.h
+cmll_cfb.o: cmll_cfb.c cmll_locl.h
+cmll_ctr.o: ../../include/openssl/camellia.h
+cmll_ctr.o: ../../include/openssl/opensslconf.h cmll_ctr.c cmll_locl.h
+cmll_ecb.o: ../../include/openssl/camellia.h
+cmll_ecb.o: ../../include/openssl/opensslconf.h cmll_ecb.c cmll_locl.h
+cmll_misc.o: ../../include/openssl/camellia.h
+cmll_misc.o: ../../include/openssl/opensslconf.h
+cmll_misc.o: ../../include/openssl/opensslv.h cmll_locl.h cmll_misc.c
+cmll_ofb.o: ../../include/openssl/camellia.h
+cmll_ofb.o: ../../include/openssl/opensslconf.h cmll_locl.h cmll_ofb.c

crypto/camellia/camellia.h

+/* crypto/camellia/camellia.h -*- 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.
+ * ====================================================================
+ *
+ */
+
+#ifndef HEADER_CAMELLIA_H
+#define HEADER_CAMELLIA_H
+
+#include <openssl/opensslconf.h>
+
+#ifdef OPENSSL_NO_CAMELLIA
+#error CAMELLIA is disabled.
+#endif
+
+#define CAMELLIA_ENCRYPT	1
+#define CAMELLIA_DECRYPT	0
+
+/* Because array size can't be a const in C, the following two are macros.
+   Both sizes are in bytes. */
+
+#ifdef  __cplusplus
+extern "C" {
+#endif
+
+/* This should be a hidden type, but EVP requires that the size be known */
+
+#define CAMELLIA_BLOCK_SIZE 16
+#define CAMELLIA_TABLE_BYTE_LEN 272
+#define CAMELLIA_TABLE_WORD_LEN (CAMELLIA_TABLE_BYTE_LEN / 4)
+
+typedef unsigned int KEY_TABLE_TYPE[CAMELLIA_TABLE_WORD_LEN]; /* to match with WORD */
+
+struct camellia_key_st 
+	{
+	KEY_TABLE_TYPE rd_key;
+	int bitLength;
+	};
+typedef struct camellia_key_st CAMELLIA_KEY;
+
+int Camellia_set_key(const unsigned char *userKey, const int bits,
+	CAMELLIA_KEY *key);
+
+void Camellia_encrypt(const unsigned char *in, unsigned char *out,
+	const CAMELLIA_KEY *key);
+void Camellia_decrypt(const unsigned char *in, unsigned char *out,
+	const CAMELLIA_KEY *key);
+
+void Camellia_ecb_encrypt(const unsigned char *in, unsigned char *out,
+	const CAMELLIA_KEY *key, const int enc);
+void Camellia_cbc_encrypt(const unsigned char *in, unsigned char *out,
+	const unsigned long length, const CAMELLIA_KEY *key,
+	unsigned char *ivec, const int enc);
+void Camellia_cfb128_encrypt(const unsigned char *in, unsigned char *out,
+	const unsigned long length, const CAMELLIA_KEY *key,
+	unsigned char *ivec, int *num, const int enc);
+void Camellia_cfb1_encrypt(const unsigned char *in, unsigned char *out,
+	const unsigned long length, const CAMELLIA_KEY *key,
+	unsigned char *ivec, int *num, const int enc);
+void Camellia_cfb8_encrypt(const unsigned char *in, unsigned char *out,
+	const unsigned long length, const CAMELLIA_KEY *key,
+	unsigned char *ivec, int *num, const int enc);
+void Camellia_cfbr_encrypt_block(const unsigned char *in,unsigned char *out,
+	const int nbits,const CAMELLIA_KEY *key,
+	unsigned char *ivec,const int enc);
+void Camellia_ofb128_encrypt(const unsigned char *in, unsigned char *out,
+	const unsigned long length, const CAMELLIA_KEY *key,
+	unsigned char *ivec, int *num);
+void Camellia_ctr128_encrypt(const unsigned char *in, unsigned char *out,
+	const unsigned long length, const CAMELLIA_KEY *key,
+	unsigned char ivec[CAMELLIA_BLOCK_SIZE],
+	unsigned char ecount_buf[CAMELLIA_BLOCK_SIZE],
+	unsigned int *num);
+
+#ifdef  __cplusplus
+}
+#endif
+
+#endif /* !HEADER_Camellia_H */

crypto/camellia/cmll_cbc.c

+/* crypto/camellia/camellia_cbc.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.
+ * ====================================================================
+ *
+ */
+
+#ifndef CAMELLIA_DEBUG
+# ifndef NDEBUG
+#  define NDEBUG
+# endif
+#endif
+#include <assert.h>
+#include <string.h>
+
+#include <openssl/camellia.h>
+#include "cmll_locl.h"
+void Camellia_cbc_encrypt(const unsigned char *in, unsigned char *out,
+	const unsigned long length, const CAMELLIA_KEY *key,
+	unsigned char *ivec, const int enc) 
+	{
+
+	unsigned long n;
+	unsigned long len = length;
+	unsigned char tmp[CAMELLIA_BLOCK_SIZE];
+	const unsigned char *iv = ivec;
+
+	assert(in && out && key && ivec);
+	assert((CAMELLIA_ENCRYPT == enc)||(CAMELLIA_DECRYPT == enc));
+
+	if (CAMELLIA_ENCRYPT == enc) 
+		{
+		while (len >= CAMELLIA_BLOCK_SIZE) 
+			{
+			for(n=0; n < CAMELLIA_BLOCK_SIZE; ++n)
+				out[n] = in[n] ^ iv[n];
+			Camellia_encrypt(out, out, key);
+			iv = out;
+			len -= CAMELLIA_BLOCK_SIZE;
+			in += CAMELLIA_BLOCK_SIZE;
+			out += CAMELLIA_BLOCK_SIZE;
+			}
+		if (len) 
+			{
+			for(n=0; n < len; ++n)
+				out[n] = in[n] ^ iv[n];
+			for(n=len; n < CAMELLIA_BLOCK_SIZE; ++n)
+				out[n] = iv[n];
+			Camellia_encrypt(out, out, key);
+			iv = out;
+			}
+		memcpy(ivec,iv,CAMELLIA_BLOCK_SIZE);
+		} 
+	else if (in != out) 
+		{
+		while (len >= CAMELLIA_BLOCK_SIZE) 
+			{
+			Camellia_decrypt(in, out, key);
+			for(n=0; n < CAMELLIA_BLOCK_SIZE; ++n)
+				out[n] ^= iv[n];
+			iv = in;
+			len -= CAMELLIA_BLOCK_SIZE;
+			in  += CAMELLIA_BLOCK_SIZE;
+			out += CAMELLIA_BLOCK_SIZE;
+			}
+		if (len) 
+			{
+			Camellia_decrypt(in,tmp,key);
+			for(n=0; n < len; ++n)
+				out[n] = tmp[n] ^ iv[n];
+			iv = in;
+			}
+		memcpy(ivec,iv,CAMELLIA_BLOCK_SIZE);
+		} 
+	else 
+		{
+		while (len >= CAMELLIA_BLOCK_SIZE) 
+			{
+			memcpy(tmp, in, CAMELLIA_BLOCK_SIZE);
+			Camellia_decrypt(in, out, key);
+			for(n=0; n < CAMELLIA_BLOCK_SIZE; ++n)
+				out[n] ^= ivec[n];
+			memcpy(ivec, tmp, CAMELLIA_BLOCK_SIZE);
+			len -= CAMELLIA_BLOCK_SIZE;
+			in += CAMELLIA_BLOCK_SIZE;
+			out += CAMELLIA_BLOCK_SIZE;
+			}
+		if (len)
+			{
+			memcpy(tmp, in, CAMELLIA_BLOCK_SIZE);
+			Camellia_decrypt(tmp, out, key);
+			for(n=0; n < len; ++n)
+				out[n] ^= ivec[n];
+			for(n=len; n < CAMELLIA_BLOCK_SIZE; ++n)
+				out[n] = tmp[n];
+			memcpy(ivec, tmp, CAMELLIA_BLOCK_SIZE);
+			}
+		}
+	}

crypto/camellia/cmll_cfb.c

+/* crypto/camellia/camellia_cfb.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.
+ * ====================================================================
+ *
+ */
+/* 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.]
+ */
+
+#ifndef CAMELLIA_DEBUG
+# ifndef NDEBUG
+#  define NDEBUG
+# endif
+#endif
+#include <assert.h>
+#include <string.h>
+
+#include <openssl/camellia.h>
+#include "cmll_locl.h"
+#include "e_os.h"
+
+
+/* The input and output encrypted as though 128bit cfb mode is being
+ * used.  The extra state information to record how much of the
+ * 128bit block we have used is contained in *num;
+ */
+
+void Camellia_cfb128_encrypt(const unsigned char *in, unsigned char *out,
+	const unsigned long length, const CAMELLIA_KEY *key,
+	unsigned char *ivec, int *num, const int enc)
+	{
+
+	unsigned int n;
+	unsigned long l = length;
+	unsigned char c;
+
+	assert(in && out && key && ivec && num);
+
+	n = *num;
+
+	if (enc) 
+		{
+		while (l--) 
+			{
+			if (n == 0) 
+				{
+				Camellia_encrypt(ivec, ivec, key);
+				}
+			ivec[n] = *(out++) = *(in++) ^ ivec[n];
+			n = (n+1) % CAMELLIA_BLOCK_SIZE;
+			}
+		} 
+	else 
+		{
+		while (l--) 
+			{
+			if (n == 0) 
+				{
+				Camellia_encrypt(ivec, ivec, key);
+				}
+			c = *(in);
+			*(out++) = *(in++) ^ ivec[n];
+			ivec[n] = c;
+			n = (n+1) % CAMELLIA_BLOCK_SIZE;
+			}
+		}
+
+	*num=n;
+	}
+
+/* This expects a single block of size nbits for both in and out. Note that
+   it corrupts any extra bits in the last byte of out */
+void Camellia_cfbr_encrypt_block(const unsigned char *in,unsigned char *out,
+	const int nbits,const CAMELLIA_KEY *key,
+	unsigned char *ivec,const int enc)
+	{
+	int n,rem,num;
+	unsigned char ovec[CAMELLIA_BLOCK_SIZE*2];
+
+	if (nbits<=0 || nbits>128) return;
+
+	/* fill in the first half of the new IV with the current IV */
+	memcpy(ovec,ivec,CAMELLIA_BLOCK_SIZE);
+	/* construct the new IV */
+	Camellia_encrypt(ivec,ivec,key);
+	num = (nbits+7)/8;
+	if (enc)	/* encrypt the input */
+		for(n=0 ; n < num ; ++n)
+			out[n] = (ovec[CAMELLIA_BLOCK_SIZE+n] = in[n] ^ ivec[n]);
+	else		/* decrypt the input */
+		for(n=0 ; n < num ; ++n)
+			out[n] = (ovec[CAMELLIA_BLOCK_SIZE+n] = in[n]) ^ ivec[n];
+	/* shift ovec left... */
+	rem = nbits%8;
+	num = nbits/8;
+	if(rem==0)
+		memcpy(ivec,ovec+num,CAMELLIA_BLOCK_SIZE);
+	else
+		for(n=0 ; n < CAMELLIA_BLOCK_SIZE ; ++n)
+			ivec[n] = ovec[n+num]<<rem | ovec[n+num+1]>>(8-rem);
+
+	/* it is not necessary to cleanse ovec, since the IV is not secret */
+	}
+
+/* N.B. This expects the input to be packed, MS bit first */
+void Camellia_cfb1_encrypt(const unsigned char *in, unsigned char *out,
+	const unsigned long length, const CAMELLIA_KEY *key,
+	unsigned char *ivec, int *num, const int enc)
+	{
+	unsigned int n;
+	unsigned char c[1],d[1];
+
+	assert(in && out && key && ivec && num);
+	assert(*num == 0);
+
+	memset(out,0,(length+7)/8);
+	for(n=0 ; n < length ; ++n)
+		{
+		c[0]=(in[n/8]&(1 << (7-n%8))) ? 0x80 : 0;
+		Camellia_cfbr_encrypt_block(c,d,1,key,ivec,enc);
+		out[n/8]=(out[n/8]&~(1 << (7-n%8)))|((d[0]&0x80) >> (n%8));
+		}
+	}
+
+void Camellia_cfb8_encrypt(const unsigned char *in, unsigned char *out,
+	const unsigned long length, const CAMELLIA_KEY *key,
+	unsigned char *ivec, int *num, const int enc)
+	{
+	unsigned int n;
+
+	assert(in && out && key && ivec && num);
+	assert(*num == 0);
+
+	for(n=0 ; n < length ; ++n)
+		Camellia_cfbr_encrypt_block(&in[n],&out[n],8,key,ivec,enc);
+	}
+

crypto/camellia/cmll_ctr.c

+/* crypto/camellia/camellia_ctr.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.
+ * ====================================================================
+ *
+ */
+
+#ifndef CAMELLIA_DEBUG
+# ifndef NDEBUG
+#  define NDEBUG
+# endif
+#endif
+#include <assert.h>
+
+#include <openssl/camellia.h>
+#include "cmll_locl.h"
+
+/* NOTE: the IV/counter CTR mode is big-endian.  The rest of the Camellia code
+ * is endian-neutral. */
+/* increment counter (128-bit int) by 1 */
+static void Camellia_ctr128_inc(unsigned char *counter) 
+	{
+	unsigned long c;
+
+	/* Grab bottom dword of counter and increment */
+	c = GETU32(counter + 12);
+	c++;	c &= 0xFFFFFFFF;
+	PUTU32(counter + 12, c);
+
+	/* if no overflow, we're done */
+	if (c)
+		return;
+
+	/* Grab 1st dword of counter and increment */
+	c = GETU32(counter +  8);
+	c++;	c &= 0xFFFFFFFF;
+	PUTU32(counter +  8, c);
+
+	/* if no overflow, we're done */
+	if (c)
+		return;
+
+	/* Grab 2nd dword of counter and increment */
+	c = GETU32(counter +  4);
+	c++;	c &= 0xFFFFFFFF;
+	PUTU32(counter +  4, c);
+
+	/* if no overflow, we're done */
+	if (c)
+		return;
+
+	/* Grab top dword of counter and increment */
+	c = GETU32(counter +  0);
+	c++;	c &= 0xFFFFFFFF;
+	PUTU32(counter +  0, c);
+	}
+
+/* The input encrypted as though 128bit counter mode is being
+ * used.  The extra state information to record how much of the
+ * 128bit block we have used is contained in *num, and the
+ * encrypted counter is kept in ecount_buf.  Both *num and
+ * ecount_buf must be initialised with zeros before the first
+ * call to Camellia_ctr128_encrypt().
+ *
+ * This algorithm assumes that the counter is in the x lower bits
+ * of the IV (ivec), and that the application has full control over
+ * overflow and the rest of the IV.  This implementation takes NO
+ * responsability for checking that the counter doesn't overflow
+ * into the rest of the IV when incremented.
+ */
+void Camellia_ctr128_encrypt(const unsigned char *in, unsigned char *out,
+	const unsigned long length, const CAMELLIA_KEY *key,
+	unsigned char ivec[CAMELLIA_BLOCK_SIZE],
+	unsigned char ecount_buf[CAMELLIA_BLOCK_SIZE],
+	unsigned int *num) 
+	{
+
+	unsigned int n;
+	unsigned long l=length;
+
+	assert(in && out && key && counter && num);
+	assert(*num < CAMELLIA_BLOCK_SIZE);
+
+	n = *num;
+
+	while (l--) 
+		{
+		if (n == 0) 
+			{
+			Camellia_encrypt(ivec, ecount_buf, key);
+			Camellia_ctr128_inc(ivec);
+			}
+		*(out++) = *(in++) ^ ecount_buf[n];
+		n = (n+1) % CAMELLIA_BLOCK_SIZE;
+		}
+
+	*num=n;
+	}
+

crypto/camellia/cmll_ecb.c

+/* crypto/camellia/camellia_ecb.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.
+ * ====================================================================
+ *
+ */
+
+#ifndef CAMELLIA_DEBUG
+# ifndef NDEBUG
+#  define NDEBUG
+# endif
+#endif
+#include <assert.h>
+
+#include <openssl/camellia.h>
+#include "cmll_locl.h"
+
+void Camellia_ecb_encrypt(const unsigned char *in, unsigned char *out,
+	const CAMELLIA_KEY *key, const int enc) 
+	{
+
+	assert(in && out && key);
+	assert((CAMELLIA_ENCRYPT == enc)||(CAMELLIA_DECRYPT == enc));
+
+	if (CAMELLIA_ENCRYPT == enc)
+		Camellia_encrypt(in, out, key);
+	else
+		Camellia_decrypt(in, out, key);
+	}
+

crypto/camellia/cmll_locl.h

+/* crypto/camellia/camellia_locl.h -*- mode:C; c-file-style: "eay" -*- */
+/* ====================================================================
+ * Copyright 2006 NTT (Nippon Telegraph and Telephone Corporation) . 
+ * ALL RIGHTS RESERVED.
+ *
+ * Intellectual Property information for Camellia:
+ *     http://info.isl.ntt.co.jp/crypt/eng/info/chiteki.html
+ *
+ * News Release for Announcement of Camellia open source:
+ *     http://www.ntt.co.jp/news/news06e/0604/060413a.html
+ *
+ * The Camellia Code included herein is developed by
+ * NTT (Nippon Telegraph and Telephone Corporation), and is contributed
+ * to the OpenSSL project.
+ *
+ * The Camellia Code is licensed pursuant to the OpenSSL open source
+ * license provided below.
+ */
+/* ====================================================================
+ * 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.
+ * ====================================================================
+ */
+
+#ifndef HEADER_CAMELLIA_LOCL_H
+#define HEADER_CAMELLIA_LOCL_H
+
+#if defined(_MSC_VER) && (defined(_M_IX86) || defined(_M_AMD64) || defined(_M_X64))
+# define SWAP(x) (_lrotl(x, 8) & 0x00ff00ff | _lrotr(x, 8) & 0xff00ff00)
+# define GETU32(p) SWAP(*((u32 *)(p)))
+# define PUTU32(ct, st) { *((u32 *)(ct)) = SWAP((st)); }
+#else
+# define GETU32(pt) (((u32)(pt)[0] << 24) ^ ((u32)(pt)[1] << 16) ^ ((u32)(pt)[2] <<  8) ^ ((u32)(pt)[3]))
+# define PUTU32(ct, st) { (ct)[0] = (u8)((st) >> 24); (ct)[1] = (u8)((st) >> 16); (ct)[2] = (u8)((st) >>  8); (ct)[3] = (u8)(st); }
+#endif
+
+/* Internal types */
+typedef unsigned char Byte;
+typedef unsigned int Word;
+
+#ifdef CAMELLIA_LONG
+typedef unsigned long u32;
+#else
+typedef unsigned int u32;
+#endif
+typedef unsigned short u16;
+typedef unsigned char u8;
+
+void Camellia_Ekeygen(const int keyBitLength, const Byte *rawKey, KEY_TABLE_TYPE keyTable);
+void Camellia_EncryptBlock(const int keyBitLength, const Byte plaintext[], 
+		const KEY_TABLE_TYPE keyTable, Byte ciphertext[]);
+void Camellia_DecryptBlock(const int keyBitLength, const Byte ciphertext[], 
+		const KEY_TABLE_TYPE keyTable, Byte plaintext[]);
+#endif /* #ifndef HEADER_CAMELLIA_LOCL_H */

crypto/camellia/cmll_misc.c

+/* crypto/camellia/camellia_misc.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 <openssl/opensslv.h>
+#include <openssl/camellia.h>
+#include "cmll_locl.h"
+
+ const char *CAMELLIA_version="CAMELLIA" OPENSSL_VERSION_PTEXT;
+
+int Camellia_set_key(const unsigned char *userKey, const int bits,
+	CAMELLIA_KEY *key)
+	{
+	if(!userKey || !key)
+		return -1;
+	if(bits != 128 && bits != 192 && bits != 256)
+		return -2;
+	Camellia_Ekeygen(bits , userKey, key->rd_key);
+	key->bitLength = bits;
+	return 0;
+	}
+
+void Camellia_encrypt(const unsigned char *in, unsigned char *out,
+	const CAMELLIA_KEY *key)
+	{
+	Camellia_EncryptBlock(key->bitLength, in , key->rd_key , out);
+	}
+
+void Camellia_decrypt(const unsigned char *in, unsigned char *out,
+	const CAMELLIA_KEY *key)
+	{
+	Camellia_DecryptBlock(key->bitLength, in , key->rd_key , out);
+	}
+

crypto/camellia/cmll_ofb.c

+/* crypto/camellia/camellia_ofb.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.
+ * ====================================================================
+ *
+ */
+/* 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.]
+ */
+
+#ifndef CAMELLIA_DEBUG
+# ifndef NDEBUG
+#  define NDEBUG
+# endif
+#endif
+#include <assert.h>
+#include <openssl/camellia.h>
+#include "cmll_locl.h"
+
+/* The input and output encrypted as though 128bit ofb mode is being
+ * used.  The extra state information to record how much of the
+ * 128bit block we have used is contained in *num;
+ */
+void Camellia_ofb128_encrypt(const unsigned char *in, unsigned char *out,
+	const unsigned long length, const CAMELLIA_KEY *key,
+	unsigned char *ivec, int *num) {
+
+	unsigned int n;
+	unsigned long l=length;
+
+	assert(in && out && key && ivec && num);
+
+	n = *num;
+
+	while (l--) {
+		if (n == 0) {
+			Camellia_encrypt(ivec, ivec, key);
+		}
+		*(out++) = *(in++) ^ ivec[n];
+		n = (n+1) % CAMELLIA_BLOCK_SIZE;
+	}
+
+	*num=n;
+}