AppleCSP/AES/rijndael-alg-ref.h

   1 /*
   2  * Copyright (c) 2000-2001 Apple Computer, Inc. All Rights Reserved.
   3  *
   4  * The contents of this file constitute Original Code as defined in and are
   5  * subject to the Apple Public Source License Version 1.2 (the 'License').
   6  * You may not use this file except in compliance with the License. Please obtain
   7  * a copy of the License at http://www.apple.com/publicsource and read it before
   8  * using this file.
   9  *
  10  * This Original Code and all software distributed under the License are
  11  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESS
  12  * OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, INCLUDING WITHOUT
  13  * LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
  14  * PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. Please see the License for the
  15  * specific language governing rights and limitations under the License.
  16  */
  17
  18
  19 /* rijndael-alg-ref.h   v2.0   August '99
  20  * Reference ANSI C code
  21  * authors: Paulo Barreto
  22  *          Vincent Rijmen
  23  */
  24 #ifndef __RIJNDAEL_ALG_H
  25 #define __RIJNDAEL_ALG_H
  26
  27 #include "aesCommon.h"
  28
  29 #define MAXBC                           (MAX_AES_BLOCK_BITS/32)
  30 #define MAXKC                           (MAX_AES_KEY_BITS/32)
  31 #define MAXROUNDS                       14
  32
  33 #ifdef  __cplusplus
  34 extern "C" {
  35 #endif
  36
  37 typedef unsigned char           word8;
  38 typedef unsigned short          word16;
  39 typedef unsigned long           word32;
  40
  41
  42 int rijndaelKeySched (word8 k[4][MAXKC], int keyBits, int blockBits,
  43                 word8 rk[MAXROUNDS+1][4][MAXBC]);
  44 int rijndaelEncrypt (word8 a[4][MAXBC], int keyBits, int blockBits,
  45                 word8 rk[MAXROUNDS+1][4][MAXBC]);
  46 #ifndef __APPLE__
  47 int rijndaelEncryptRound (word8 a[4][MAXBC], int keyBits, int blockBits,
  48                 word8 rk[MAXROUNDS+1][4][MAXBC], int rounds);
  49 #endif
  50 int rijndaelDecrypt (word8 a[4][MAXBC], int keyBits, int blockBits,
  51                 word8 rk[MAXROUNDS+1][4][MAXBC]);
  52 #ifndef __APPLE__
  53 int rijndaelDecryptRound (word8 a[4][MAXBC], int keyBits, int blockBits,
  54                 word8 rk[MAXROUNDS+1][4][MAXBC], int rounds);
  55 #endif
  56
  57 #if             !GLADMAN_AES_128_ENABLE
  58
  59 /*
  60  * Optimized routines for 128-bit block and key.
  61  */
  62 #define ROUNDS_128_OPT  10
  63 #define BC_128_OPT              4
  64 #define KC_128_OPT              4
  65
  66 /*
  67  * These require 32-bit word-aligned a, k, and rk arrays
  68  */
  69 int rijndaelKeySched128 (word8 k[4][KC_128_OPT],
  70         word8 rk[MAXROUNDS+1][4][MAXBC]);
  71 int rijndaelEncrypt128 (word8 a[4][BC_128_OPT],
  72         word8 rk[MAXROUNDS+1][4][MAXBC]);
  73 int rijndaelDecrypt128 (word8 a[4][BC_128_OPT],
  74         word8 rk[MAXROUNDS+1][4][MAXBC]);
  75
  76 #endif          /* !GLADMAN_AES_128_ENABLE */
  77
  78 #ifdef  __cplusplus
  79 }
  80 #endif
  81
  82 #endif /* __RIJNDAEL_ALG_H */