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/* 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
#include "openssl/e_os2.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
typedef unsigned char u8;
typedef unsigned int u32;
#ifdef __cplusplus
extern "C" {
#endif
#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)); }
# define CAMELLIA_SWAP4(x) (x = ( _lrotl(x, 8) & 0x00ff00ff | _lrotr(x, 8) & 0xff00ff00) )
#else /* not windows */
# 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); }
#if (defined (__GNUC__) && (defined(__x86_64__) || defined(__x86_64)))
#define CAMELLIA_SWAP4(x) \
do{\
asm("bswap %1" : "+r" (x));\
}while(0)
#else
#define CAMELLIA_SWAP4(x) \
do{\
x = ((u32)x << 16) + ((u32)x >> 16);\
x = (((u32)x & 0xff00ff) << 8) + (((u32)x >> 8) & 0xff00ff);\
} while(0)
#endif
#endif
#define COPY4WORD(dst, src) \
do \
{ \
(dst)[0]=(src)[0]; \
(dst)[1]=(src)[1]; \
(dst)[2]=(src)[2]; \
(dst)[3]=(src)[3]; \
}while(0)
#define SWAP4WORD(word) \
do \
{ \
CAMELLIA_SWAP4((word)[0]); \
CAMELLIA_SWAP4((word)[1]); \
CAMELLIA_SWAP4((word)[2]); \
CAMELLIA_SWAP4((word)[3]); \
}while(0)
#define XOR4WORD(a, b)/* a = a ^ b */ \
do \
{ \
(a)[0]^=(b)[0]; \
(a)[1]^=(b)[1]; \
(a)[2]^=(b)[2]; \
(a)[3]^=(b)[3]; \
}while(0)
#define XOR4WORD2(a, b, c)/* a = b ^ c */ \
do \
{ \
(a)[0]=(b)[0]^(c)[0]; \
(a)[1]=(b)[1]^(c)[1]; \
(a)[2]=(b)[2]^(c)[2]; \
(a)[3]=(b)[3]^(c)[3]; \
}while(0)
void camellia_setup128(const u8 *key, u32 *subkey);
void camellia_setup192(const u8 *key, u32 *subkey);
void camellia_setup256(const u8 *key, u32 *subkey);
void camellia_encrypt128(const u32 *subkey, u32 *io);
void camellia_decrypt128(const u32 *subkey, u32 *io);
void camellia_encrypt256(const u32 *subkey, u32 *io);
void camellia_decrypt256(const u32 *subkey, u32 *io);
#ifdef __cplusplus
}
#endif
#endif /* #ifndef HEADER_CAMELLIA_LOCL_H */
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