1 /* $OpenBSD: rijndael.h,v 1.12 2001/12/19 07:18:56 deraadt Exp $ */
6 * @version 3.0 (December 2000)
8 * Optimised ANSI C code for the Rijndael cipher (now AES)
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>
14 * This code is hereby placed in the public domain.
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.
31 #define MAXKC (256/32)
35 typedef unsigned char u8;
36 typedef unsigned short u16;
37 typedef unsigned int u32;
39 /* The structure for key information */
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 */
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 *);
51 #endif /* __RIJNDAEL_H */