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/types.h> 30 #ifdef _KERNEL 31 #include <sys/systm.h> 32 #endif 33 34 #include <crypto/rijndael/rijndael.h> 35 36 void 37 rijndael_set_key(rijndael_ctx *ctx, const u_char *key, int bits) 38 { 39 40 ctx->Nr = rijndaelKeySetupEnc(ctx->ek, key, bits); 41 rijndaelKeySetupDec(ctx->dk, key, bits); 42 } 43 44 void 45 rijndael_decrypt(const rijndael_ctx *ctx, const u_char *src, u_char *dst) 46 { 47 48 rijndaelDecrypt(ctx->dk, ctx->Nr, src, dst); 49 } 50 51 void 52 rijndael_encrypt(const rijndael_ctx *ctx, const u_char *src, u_char *dst) 53 { 54 55 rijndaelEncrypt(ctx->ek, ctx->Nr, src, dst); 56 } 57