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e9a17296 | 1 | /* $OpenBSD: rijndael.h,v 1.12 2001/12/19 07:18:56 deraadt Exp $ */ |
3c0ef626 | 2 | |
3 | /** | |
4 | * rijndael-alg-fst.h | |
5 | * | |
6 | * @version 3.0 (December 2000) | |
7 | * | |
8 | * Optimised ANSI C code for the Rijndael cipher (now AES) | |
9 | * | |
10 | * @author Vincent Rijmen <vincent.rijmen@esat.kuleuven.ac.be> | |
11 | * @author Antoon Bosselaers <antoon.bosselaers@esat.kuleuven.ac.be> | |
12 | * @author Paulo Barreto <paulo.barreto@terra.com.br> | |
13 | * | |
14 | * This code is hereby placed in the public domain. | |
15 | * | |
16 | * THIS SOFTWARE IS PROVIDED BY THE AUTHORS ''AS IS'' AND ANY EXPRESS | |
17 | * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED | |
18 | * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
19 | * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE | |
20 | * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR | |
21 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF | |
22 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR | |
23 | * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, | |
24 | * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE | |
25 | * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, | |
26 | * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
27 | */ | |
28 | #ifndef __RIJNDAEL_H | |
29 | #define __RIJNDAEL_H | |
30 | ||
31 | #define MAXKC (256/32) | |
32 | #define MAXKB (256/8) | |
33 | #define MAXNR 14 | |
34 | ||
e9a17296 | 35 | typedef unsigned char u8; |
36 | typedef unsigned short u16; | |
3c0ef626 | 37 | typedef unsigned int u32; |
38 | ||
39 | /* The structure for key information */ | |
40 | typedef struct { | |
41 | int decrypt; | |
42 | int Nr; /* key-length-dependent number of rounds */ | |
43 | u32 ek[4*(MAXNR + 1)]; /* encrypt key schedule */ | |
44 | u32 dk[4*(MAXNR + 1)]; /* decrypt key schedule */ | |
45 | } rijndael_ctx; | |
46 | ||
47 | void rijndael_set_key(rijndael_ctx *, u_char *, int, int); | |
48 | void rijndael_decrypt(rijndael_ctx *, u_char *, u_char *); | |
49 | void rijndael_encrypt(rijndael_ctx *, u_char *, u_char *); | |
50 | ||
51 | #endif /* __RIJNDAEL_H */ |