1 | /* $NetBSD: rijndael.c,v 1.8 2005/12/11 12:20:52 christos 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 | __KERNEL_RCSID(0, "$NetBSD: rijndael.c,v 1.8 2005/12/11 12:20:52 christos Exp $" ); |
31 | |
32 | #include <sys/types.h> |
33 | #include <sys/systm.h> |
34 | |
35 | #include <crypto/rijndael/rijndael.h> |
36 | |
37 | void |
38 | rijndael_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 | |
45 | void |
46 | rijndael_decrypt(const rijndael_ctx *ctx, const u_char *src, u_char *dst) |
47 | { |
48 | |
49 | rijndaelDecrypt(ctx->dk, ctx->Nr, src, dst); |
50 | } |
51 | |
52 | void |
53 | rijndael_encrypt(const rijndael_ctx *ctx, const u_char *src, u_char *dst) |
54 | { |
55 | |
56 | rijndaelEncrypt(ctx->ek, ctx->Nr, src, dst); |
57 | } |
58 | |