cmll_locl.h revision 296465
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
76typedef unsigned char u8;
77typedef unsigned int u32;
78
79#ifdef __cplusplus
80extern "C" {
81#endif
82
83# if defined(_MSC_VER) && (defined(_M_IX86) || defined(_M_AMD64) || defined(_M_X64))
84#  define SWAP(x) ( _lrotl(x, 8) & 0x00ff00ff | _lrotr(x, 8) & 0xff00ff00 )
85#  define GETU32(p) SWAP(*((u32 *)(p)))
86#  define PUTU32(ct, st) { *((u32 *)(ct)) = SWAP((st)); }
87#  define CAMELLIA_SWAP4(x) (x = ( _lrotl(x, 8) & 0x00ff00ff | _lrotr(x, 8) & 0xff00ff00) )
88
89# else                          /* not windows */
90#  define GETU32(pt) (((u32)(pt)[0] << 24) \
91        ^ ((u32)(pt)[1] << 16) \
92        ^ ((u32)(pt)[2] <<  8) \
93        ^ ((u32)(pt)[3]))
94
95#  define PUTU32(ct, st) { (ct)[0] = (u8)((st) >> 24); \
96        (ct)[1] = (u8)((st) >> 16); \
97        (ct)[2] = (u8)((st) >>  8); \
98        (ct)[3] = (u8)(st); }
99
100#  if (defined (__GNUC__) && (defined(__x86_64__) || defined(__x86_64)))
101#   define CAMELLIA_SWAP4(x) \
102  do{\
103    asm("bswap %1" : "+r" (x));\
104  }while(0)
105#  else
106#   define CAMELLIA_SWAP4(x) \
107   do{\
108     x = ((u32)x << 16) + ((u32)x >> 16);\
109     x = (((u32)x & 0xff00ff) << 8) + (((u32)x >> 8) & 0xff00ff);\
110   } while(0)
111#  endif
112# endif
113
114# define COPY4WORD(dst, src)      \
115             do                  \
116                     {           \
117                     (dst)[0]=(src)[0];         \
118                     (dst)[1]=(src)[1];         \
119                     (dst)[2]=(src)[2];         \
120                     (dst)[3]=(src)[3];         \
121                     }while(0)
122
123# define SWAP4WORD(word)                         \
124   do                                           \
125           {                                    \
126           CAMELLIA_SWAP4((word)[0]);                   \
127           CAMELLIA_SWAP4((word)[1]);                   \
128           CAMELLIA_SWAP4((word)[2]);                   \
129           CAMELLIA_SWAP4((word)[3]);                   \
130           }while(0)
131
132# define XOR4WORD(a, b)/* a = a ^ b */           \
133   do                                           \
134        {                                       \
135        (a)[0]^=(b)[0];                         \
136        (a)[1]^=(b)[1];                         \
137        (a)[2]^=(b)[2];                         \
138        (a)[3]^=(b)[3];                         \
139        }while(0)
140
141# define XOR4WORD2(a, b, c)/* a = b ^ c */       \
142   do                                           \
143        {                                       \
144        (a)[0]=(b)[0]^(c)[0];                   \
145        (a)[1]=(b)[1]^(c)[1];                           \
146        (a)[2]=(b)[2]^(c)[2];                           \
147        (a)[3]=(b)[3]^(c)[3];                           \
148        }while(0)
149
150void camellia_setup128(const u8 *key, u32 *subkey);
151void camellia_setup192(const u8 *key, u32 *subkey);
152void camellia_setup256(const u8 *key, u32 *subkey);
153
154void camellia_encrypt128(const u32 *subkey, u32 *io);
155void camellia_decrypt128(const u32 *subkey, u32 *io);
156void camellia_encrypt256(const u32 *subkey, u32 *io);
157void camellia_decrypt256(const u32 *subkey, u32 *io);
158
159#ifdef __cplusplus
160}
161#endif
162
163#endif                          /* #ifndef HEADER_CAMELLIA_LOCL_H */
164