diff options
Diffstat (limited to 'rijndael.h')
| -rw-r--r-- | rijndael.h | 106 |
1 files changed, 46 insertions, 60 deletions
diff --git a/rijndael.h b/rijndael.h index db33805ec..242bf9a66 100644 --- a/rijndael.h +++ b/rijndael.h | |||
| @@ -1,63 +1,49 @@ | |||
| 1 | /* $OpenBSD: rijndael.h,v 1.9 2001/07/30 16:23:30 stevesk Exp $ */ | 1 | /** |
| 2 | 2 | * rijndael-alg-fst.h | |
| 3 | /* This is an independent implementation of the encryption algorithm: */ | 3 | * |
| 4 | /* */ | 4 | * @version 3.0 (December 2000) |
| 5 | /* RIJNDAEL by Joan Daemen and Vincent Rijmen */ | 5 | * |
| 6 | /* */ | 6 | * Optimised ANSI C code for the Rijndael cipher (now AES) |
| 7 | /* which is a candidate algorithm in the Advanced Encryption Standard */ | 7 | * |
| 8 | /* programme of the US National Institute of Standards and Technology. */ | 8 | * @author Vincent Rijmen <vincent.rijmen@esat.kuleuven.ac.be> |
| 9 | 9 | * @author Antoon Bosselaers <antoon.bosselaers@esat.kuleuven.ac.be> | |
| 10 | /* | 10 | * @author Paulo Barreto <paulo.barreto@terra.com.br> |
| 11 | ----------------------------------------------------------------------- | 11 | * |
| 12 | Copyright (c) 2001 Dr Brian Gladman <brg@gladman.uk.net>, Worcester, UK | 12 | * This code is hereby placed in the public domain. |
| 13 | 13 | * | |
| 14 | TERMS | 14 | * THIS SOFTWARE IS PROVIDED BY THE AUTHORS ''AS IS'' AND ANY EXPRESS |
| 15 | 15 | * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED | |
| 16 | Redistribution and use in source and binary forms, with or without | 16 | * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| 17 | modification, are permitted provided that the following conditions | 17 | * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE |
| 18 | are met: | 18 | * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| 19 | 1. Redistributions of source code must retain the above copyright | 19 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| 20 | notice, this list of conditions and the following disclaimer. | 20 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR |
| 21 | 2. Redistributions in binary form must reproduce the above copyright | 21 | * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, |
| 22 | notice, this list of conditions and the following disclaimer in the | 22 | * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE |
| 23 | documentation and/or other materials provided with the distribution. | 23 | * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, |
| 24 | 24 | * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
| 25 | This software is provided 'as is' with no guarantees of correctness or | 25 | */ |
| 26 | fitness for purpose. | 26 | #ifndef __RIJNDAEL_H |
| 27 | ----------------------------------------------------------------------- | 27 | #define __RIJNDAEL_H |
| 28 | */ | 28 | |
| 29 | 29 | #define MAXKC (256/32) | |
| 30 | #ifndef _RIJNDAEL_H_ | 30 | #define MAXKB (256/8) |
| 31 | #define _RIJNDAEL_H_ | 31 | #define MAXNR 14 |
| 32 | 32 | ||
| 33 | #include "config.h" | 33 | typedef unsigned char u8; |
| 34 | 34 | typedef unsigned short u16; | |
| 35 | /* 1. Standard types for AES cryptography source code */ | 35 | typedef unsigned int u32; |
| 36 | 36 | ||
| 37 | typedef u_int8_t u1byte; /* an 8 bit unsigned character type */ | 37 | /* The structure for key information */ |
| 38 | typedef u_int16_t u2byte; /* a 16 bit unsigned integer type */ | 38 | typedef struct { |
| 39 | typedef u_int32_t u4byte; /* a 32 bit unsigned integer type */ | 39 | int decrypt; |
| 40 | 40 | int Nr; /* key-length-dependent number of rounds */ | |
| 41 | typedef int8_t s1byte; /* an 8 bit signed character type */ | 41 | u32 ek[4*(MAXNR + 1)]; /* encrypt key schedule */ |
| 42 | typedef int16_t s2byte; /* a 16 bit signed integer type */ | 42 | u32 dk[4*(MAXNR + 1)]; /* decrypt key schedule */ |
| 43 | typedef int32_t s4byte; /* a 32 bit signed integer type */ | ||
| 44 | |||
| 45 | typedef struct _rijndael_ctx { | ||
| 46 | u4byte k_len; | ||
| 47 | int decrypt; | ||
| 48 | u4byte e_key[64]; | ||
| 49 | u4byte d_key[64]; | ||
| 50 | } rijndael_ctx; | 43 | } rijndael_ctx; |
| 51 | 44 | ||
| 45 | void rijndael_set_key(rijndael_ctx *, u_char *, int, int); | ||
| 46 | void rijndael_decrypt(rijndael_ctx *, u_char *, u_char *); | ||
| 47 | void rijndael_encrypt(rijndael_ctx *, u_char *, u_char *); | ||
| 52 | 48 | ||
| 53 | /* 2. Standard interface for AES cryptographic routines */ | 49 | #endif /* __RIJNDAEL_H */ |
| 54 | |||
| 55 | /* These are all based on 32 bit unsigned values and will therefore */ | ||
| 56 | /* require endian conversions for big-endian architectures */ | ||
| 57 | |||
| 58 | rijndael_ctx * | ||
| 59 | rijndael_set_key __P((rijndael_ctx *, const u4byte *, const u4byte, int)); | ||
| 60 | void rijndael_encrypt __P((rijndael_ctx *, const u4byte *, u4byte *)); | ||
| 61 | void rijndael_decrypt __P((rijndael_ctx *, const u4byte *, u4byte *)); | ||
| 62 | |||
| 63 | #endif /* _RIJNDAEL_H_ */ | ||