crypto/openssl-0.9/crypto/camellia/cmll_locl.h

   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 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