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 (at) 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 typedef unsigned char u8; 77 typedef unsigned int u32; 78 79 #ifdef __cplusplus 80 extern "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) 149 150 151 void camellia_setup128(const u8 *key, u32 *subkey); 152 void camellia_setup192(const u8 *key, u32 *subkey); 153 void camellia_setup256(const u8 *key, u32 *subkey); 154 155 void camellia_encrypt128(const u32 *subkey, u32 *io); 156 void camellia_decrypt128(const u32 *subkey, u32 *io); 157 void camellia_encrypt256(const u32 *subkey, u32 *io); 158 void camellia_decrypt256(const u32 *subkey, u32 *io); 159 160 #ifdef __cplusplus 161 } 162 #endif 163 164 #endif /* #ifndef HEADER_CAMELLIA_LOCL_H */ 165 166
