rijndael-api.c revision 122531 
1/*	$KAME: rijndael.c,v 1.3 2003/08/28 14:20:22 itojun Exp $	*/
2
3/*
4 * rijndael-alg-fst.c
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
29#include <sys/cdefs.h>
30__FBSDID("$FreeBSD: head/sys/crypto/rijndael/rijndael-api.c 122531 2003-11-12 04:22:37Z ume $");
31
32#include <sys/types.h>
33#include <sys/systm.h>
34
35#include <crypto/rijndael/rijndael.h>
36
37void
38rijndael_set_key(rijndael_ctx *ctx, const u_char *key, int bits)
39{
40
41	ctx->Nr = rijndaelKeySetupEnc(ctx->ek, key, bits);
42	rijndaelKeySetupDec(ctx->dk, key, bits);
43}
44
45void
46rijndael_decrypt(const rijndael_ctx *ctx, const u_char *src, u_char *dst)
47{
48
49	rijndaelDecrypt(ctx->dk, ctx->Nr, src, dst);
50}
51
52void
53rijndael_encrypt(const rijndael_ctx *ctx, const u_char *src, u_char *dst)
54{
55
56	rijndaelEncrypt(ctx->ek, ctx->Nr, src, dst);
57}
58