xref: /freebsd/sys/crypto/rijndael/rijndael.h (revision c98323078dede7579020518ec84cdcb478e5c142)
1 /*	$KAME: rijndael.h,v 1.6 2003/08/28 08:36:32 itojun Exp $	*/
2 /*	$FreeBSD$	*/
3 
4 /**
5  * rijndael-alg-fst.h
6  *
7  * @version 3.0 (December 2000)
8  *
9  * Optimised ANSI C code for the Rijndael cipher (now AES)
10  *
11  * @author Vincent Rijmen <vincent.rijmen@esat.kuleuven.ac.be>
12  * @author Antoon Bosselaers <antoon.bosselaers@esat.kuleuven.ac.be>
13  * @author Paulo Barreto <paulo.barreto@terra.com.br>
14  *
15  * This code is hereby placed in the public domain.
16  *
17  * THIS SOFTWARE IS PROVIDED BY THE AUTHORS ''AS IS'' AND ANY EXPRESS
18  * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
19  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE
21  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
22  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
23  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
24  * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
25  * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
26  * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
27  * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28  */
29 
30 #ifndef __RIJNDAEL_H
31 #define	__RIJNDAEL_H
32 
33 #include <crypto/rijndael/rijndael-alg-fst.h>
34 #include <crypto/rijndael/rijndael-api-fst.h>
35 
36 /* XXX: avoid conflicts with opencrypto */
37 #define	rijndael_set_key	_rijndael_set_key
38 #define	rijndael_decrypt	_rijndael_decrypt
39 #define	rijndael_encrypt	_rijndael_encrypt
40 
41 typedef struct {
42 	int	decrypt;
43 	int	Nr;		/* key-length-dependent number of rounds */
44 	uint32_t ek[4 * (RIJNDAEL_MAXNR + 1)];	/* encrypt key schedule */
45 	uint32_t dk[4 * (RIJNDAEL_MAXNR + 1)];	/* decrypt key schedule */
46 } rijndael_ctx;
47 
48 void	rijndael_set_key(rijndael_ctx *, const u_char *, int);
49 void	rijndael_decrypt(const rijndael_ctx *, const u_char *, u_char *);
50 void	rijndael_encrypt(const rijndael_ctx *, const u_char *, u_char *);
51 
52 #endif /* __RIJNDAEL_H */
53