summaryrefslogtreecommitdiff
path: root/rijndael.h
diff options
context:
space:
mode:
Diffstat (limited to 'rijndael.h')
-rw-r--r--rijndael.h106
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" 33typedef unsigned char u8;
34 34typedef unsigned short u16;
35/* 1. Standard types for AES cryptography source code */ 35typedef unsigned int u32;
36 36
37typedef u_int8_t u1byte; /* an 8 bit unsigned character type */ 37/* The structure for key information */
38typedef u_int16_t u2byte; /* a 16 bit unsigned integer type */ 38typedef struct {
39typedef u_int32_t u4byte; /* a 32 bit unsigned integer type */ 39 int decrypt;
40 40 int Nr; /* key-length-dependent number of rounds */
41typedef int8_t s1byte; /* an 8 bit signed character type */ 41 u32 ek[4*(MAXNR + 1)]; /* encrypt key schedule */
42typedef int16_t s2byte; /* a 16 bit signed integer type */ 42 u32 dk[4*(MAXNR + 1)]; /* decrypt key schedule */
43typedef int32_t s4byte; /* a 32 bit signed integer type */
44
45typedef 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
45void rijndael_set_key(rijndael_ctx *, u_char *, int, int);
46void rijndael_decrypt(rijndael_ctx *, u_char *, u_char *);
47void 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
58rijndael_ctx *
59rijndael_set_key __P((rijndael_ctx *, const u4byte *, const u4byte, int));
60void rijndael_encrypt __P((rijndael_ctx *, const u4byte *, u4byte *));
61void rijndael_decrypt __P((rijndael_ctx *, const u4byte *, u4byte *));
62
63#endif /* _RIJNDAEL_H_ */