| 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 | |