cmll_locl.h revision 162911
1/* crypto/camellia/camellia_locl.h -*- mode:C; c-file-style: "eay" -*- */
2/* ====================================================================
3 * Copyright 2006 NTT (Nippon Telegraph and Telephone Corporation) .
4 * ALL RIGHTS RESERVED.
5 *
6 * Intellectual Property information for Camellia:
7 *     http://info.isl.ntt.co.jp/crypt/eng/info/chiteki.html
8 *
9 * News Release for Announcement of Camellia open source:
10 *     http://www.ntt.co.jp/news/news06e/0604/060413a.html
11 *
12 * The Camellia Code included herein is developed by
13 * NTT (Nippon Telegraph and Telephone Corporation), and is contributed
14 * to the OpenSSL project.
15 *
16 * The Camellia Code is licensed pursuant to the OpenSSL open source
17 * license provided below.
18 */
19/* ====================================================================
20 * Copyright (c) 2006 The OpenSSL Project.  All rights reserved.
21 *
22 * Redistribution and use in source and binary forms, with or without
23 * modification, are permitted provided that the following conditions
24 * are met:
25 *
26 * 1. Redistributions of source code must retain the above copyright
27 *    notice, this list of conditions and the following disclaimer.
28 *
29 * 2. Redistributions in binary form must reproduce the above copyright
30 *    notice, this list of conditions and the following disclaimer in
31 *    the documentation and/or other materials provided with the
32 *    distribution.
33 *
34 * 3. All advertising materials mentioning features or use of this
35 *    software must display the following acknowledgment:
36 *    "This product includes software developed by the OpenSSL Project
37 *    for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
38 *
39 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
40 *    endorse or promote products derived from this software without
41 *    prior written permission. For written permission, please contact
42 *    openssl-core@openssl.org.
43 *
44 * 5. Products derived from this software may not be called "OpenSSL"
45 *    nor may "OpenSSL" appear in their names without prior written
46 *    permission of the OpenSSL Project.
47 *
48 * 6. Redistributions of any form whatsoever must retain the following
49 *    acknowledgment:
50 *    "This product includes software developed by the OpenSSL Project
51 *    for use in the OpenSSL Toolkit (http://www.openssl.org/)"
52 *
53 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
54 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
55 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
56 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
57 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
58 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
59 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
60 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
61 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
62 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
63 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
64 * OF THE POSSIBILITY OF SUCH DAMAGE.
65 * ====================================================================
66 */
67
68#ifndef HEADER_CAMELLIA_LOCL_H
69#define HEADER_CAMELLIA_LOCL_H
70
71#include "openssl/e_os2.h"
72#include <stdio.h>
73#include <stdlib.h>
74#include <string.h>
75
76#if defined(_MSC_VER)
77typedef unsigned char uint8_t;
78typedef unsigned int uint32_t;
79typedef unsigned __int64 uint64_t;
80#else
81#include <inttypes.h>
82#endif
83
84#ifdef __cplusplus
85extern "C" {
86#endif
87
88#define ALIGN 4
89#define UNITSIZE 4
90
91#if defined(_MSC_VER) && (defined(_M_IX86) || defined(_M_AMD64) || defined(_M_X64))
92# define SWAP(x) ( _lrotl(x, 8) & 0x00ff00ff | _lrotr(x, 8) & 0xff00ff00 )
93# define GETU32(p) SWAP(*((uint32_t *)(p)))
94# define PUTU32(ct, st) { *((uint32_t *)(ct)) = SWAP((st)); }
95# define CAMELLIA_SWAP4(x) (x = ( _lrotl(x, 8) & 0x00ff00ff | _lrotr(x, 8) & 0xff00ff00) )
96
97
98#else /* not windows */
99# define GETU32(pt) (((uint32_t)(pt)[0] << 24) \
100	^ ((uint32_t)(pt)[1] << 16) \
101	^ ((uint32_t)(pt)[2] <<  8) \
102	^ ((uint32_t)(pt)[3]))
103
104# define PUTU32(ct, st) { (ct)[0] = (uint8_t)((st) >> 24); \
105	(ct)[1] = (uint8_t)((st) >> 16); \
106	(ct)[2] = (uint8_t)((st) >>  8); \
107	(ct)[3] = (uint8_t)(st); }
108
109#ifdef L_ENDIAN
110#if (defined (__GNUC__) && !defined(i386))
111#define CAMELLIA_SWAP4(x) \
112  do{\
113    asm("bswap %1" : "+r" (x));\
114  }while(0)
115#else /* not gcc */
116#define CAMELLIA_SWAP4(x) \
117   do{\
118     x = ((uint32_t)x << 16) + ((uint32_t)x >> 16);\
119     x = (((uint32_t)x & 0xff00ff) << 8) + (((uint32_t)x >> 8) & 0xff00ff);\
120   } while(0)
121#endif /* not gcc */
122#else /* big endian */
123#define CAMELLIA_SWAP4(x)
124#endif /* L_ENDIAN */
125#endif
126
127#define COPY4WORD(dst, src)	 \
128	     do			 \
129		     {		 \
130		     (dst)[0]=(src)[0];		\
131		     (dst)[1]=(src)[1];		\
132		     (dst)[2]=(src)[2];		\
133		     (dst)[3]=(src)[3];		\
134		     }while(0)
135
136#define SWAP4WORD(word)				\
137   do						\
138	   {					\
139	   CAMELLIA_SWAP4((word)[0]);			\
140	   CAMELLIA_SWAP4((word)[1]);			\
141	   CAMELLIA_SWAP4((word)[2]);			\
142	   CAMELLIA_SWAP4((word)[3]);			\
143	   }while(0)
144
145#define XOR4WORD(a, b)/* a = a ^ b */		\
146   do						\
147	{					\
148	(a)[0]^=(b)[0];				\
149	(a)[1]^=(b)[1];				\
150	(a)[2]^=(b)[2];				\
151	(a)[3]^=(b)[3];				\
152	}while(0)
153
154#define XOR4WORD2(a, b, c)/* a = b ^ c */	\
155   do						\
156	{					\
157	(a)[0]=(b)[0]^(c)[0];			\
158	(a)[1]=(b)[1]^(c)[1];				\
159	(a)[2]=(b)[2]^(c)[2];				\
160	(a)[3]=(b)[3]^(c)[3];				\
161	}while(0)
162
163
164void camellia_setup128(const unsigned char *key, uint32_t *subkey);
165void camellia_setup192(const unsigned char *key, uint32_t *subkey);
166void camellia_setup256(const unsigned char *key, uint32_t *subkey);
167
168void camellia_encrypt128(const uint32_t *subkey, uint32_t *io);
169void camellia_decrypt128(const uint32_t *subkey, uint32_t *io);
170void camellia_encrypt256(const uint32_t *subkey, uint32_t *io);
171void camellia_decrypt256(const uint32_t *subkey, uint32_t *io);
172
173#ifdef __cplusplus
174}
175#endif
176
177#endif /* #ifndef HEADER_CAMELLIA_LOCL_H */
178
179