165 lines
5.5 KiB
C
165 lines
5.5 KiB
C
/* crypto/camellia/camellia_locl.h -*- mode:C; c-file-style: "eay" -*- */
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/* ====================================================================
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* Copyright 2006 NTT (Nippon Telegraph and Telephone Corporation) .
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* ALL RIGHTS RESERVED.
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*
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* Intellectual Property information for Camellia:
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* http://info.isl.ntt.co.jp/crypt/eng/info/chiteki.html
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*
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* News Release for Announcement of Camellia open source:
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* http://www.ntt.co.jp/news/news06e/0604/060413a.html
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*
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* The Camellia Code included herein is developed by
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* NTT (Nippon Telegraph and Telephone Corporation), and is contributed
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* to the OpenSSL project.
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*
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* The Camellia Code is licensed pursuant to the OpenSSL open source
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* license provided below.
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*/
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/* ====================================================================
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* Copyright (c) 2006 The OpenSSL Project. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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*
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* 3. All advertising materials mentioning features or use of this
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* software must display the following acknowledgment:
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* "This product includes software developed by the OpenSSL Project
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* for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
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*
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* 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
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* endorse or promote products derived from this software without
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* prior written permission. For written permission, please contact
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* openssl-core@openssl.org.
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*
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* 5. Products derived from this software may not be called "OpenSSL"
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* nor may "OpenSSL" appear in their names without prior written
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* permission of the OpenSSL Project.
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*
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* 6. Redistributions of any form whatsoever must retain the following
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* acknowledgment:
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* "This product includes software developed by the OpenSSL Project
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* for use in the OpenSSL Toolkit (http://www.openssl.org/)"
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*
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* THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
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* EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
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* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
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* OF THE POSSIBILITY OF SUCH DAMAGE.
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* ====================================================================
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*/
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#ifndef HEADER_CAMELLIA_LOCL_H
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#define HEADER_CAMELLIA_LOCL_H
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#include "openssl/e_os2.h"
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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typedef unsigned char u8;
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typedef unsigned int u32;
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#ifdef __cplusplus
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extern "C" {
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#endif
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#if defined(_MSC_VER) && (defined(_M_IX86) || defined(_M_AMD64) || defined(_M_X64))
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# define SWAP(x) ( _lrotl(x, 8) & 0x00ff00ff | _lrotr(x, 8) & 0xff00ff00 )
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# define GETU32(p) SWAP(*((u32 *)(p)))
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# define PUTU32(ct, st) { *((u32 *)(ct)) = SWAP((st)); }
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# define CAMELLIA_SWAP4(x) (x = ( _lrotl(x, 8) & 0x00ff00ff | _lrotr(x, 8) & 0xff00ff00) )
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#else /* not windows */
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# define GETU32(pt) (((u32)(pt)[0] << 24) \
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^ ((u32)(pt)[1] << 16) \
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^ ((u32)(pt)[2] << 8) \
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^ ((u32)(pt)[3]))
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# define PUTU32(ct, st) { (ct)[0] = (u8)((st) >> 24); \
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(ct)[1] = (u8)((st) >> 16); \
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(ct)[2] = (u8)((st) >> 8); \
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(ct)[3] = (u8)(st); }
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#if (defined (__GNUC__) && (defined(__x86_64__) || defined(__x86_64)))
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#define CAMELLIA_SWAP4(x) \
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do{\
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asm("bswap %1" : "+r" (x));\
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}while(0)
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#else
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#define CAMELLIA_SWAP4(x) \
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do{\
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x = ((u32)x << 16) + ((u32)x >> 16);\
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x = (((u32)x & 0xff00ff) << 8) + (((u32)x >> 8) & 0xff00ff);\
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} while(0)
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#endif
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#endif
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#define COPY4WORD(dst, src) \
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do \
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{ \
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(dst)[0]=(src)[0]; \
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(dst)[1]=(src)[1]; \
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(dst)[2]=(src)[2]; \
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(dst)[3]=(src)[3]; \
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}while(0)
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#define SWAP4WORD(word) \
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do \
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{ \
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CAMELLIA_SWAP4((word)[0]); \
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CAMELLIA_SWAP4((word)[1]); \
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CAMELLIA_SWAP4((word)[2]); \
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CAMELLIA_SWAP4((word)[3]); \
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}while(0)
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#define XOR4WORD(a, b)/* a = a ^ b */ \
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do \
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{ \
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(a)[0]^=(b)[0]; \
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(a)[1]^=(b)[1]; \
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(a)[2]^=(b)[2]; \
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(a)[3]^=(b)[3]; \
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}while(0)
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#define XOR4WORD2(a, b, c)/* a = b ^ c */ \
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do \
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{ \
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(a)[0]=(b)[0]^(c)[0]; \
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(a)[1]=(b)[1]^(c)[1]; \
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(a)[2]=(b)[2]^(c)[2]; \
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(a)[3]=(b)[3]^(c)[3]; \
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}while(0)
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void camellia_setup128(const u8 *key, u32 *subkey);
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void camellia_setup192(const u8 *key, u32 *subkey);
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void camellia_setup256(const u8 *key, u32 *subkey);
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void camellia_encrypt128(const u32 *subkey, u32 *io);
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void camellia_decrypt128(const u32 *subkey, u32 *io);
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void camellia_encrypt256(const u32 *subkey, u32 *io);
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void camellia_decrypt256(const u32 *subkey, u32 *io);
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#ifdef __cplusplus
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}
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#endif
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#endif /* #ifndef HEADER_CAMELLIA_LOCL_H */
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