FreeBSD/Linux Kernel Cross Reference
sys/crypto/rijndael/rijndael-api.c

     /*      $KAME: rijndael.c,v 1.3 2003/08/28 14:20:22 itojun Exp $        */
     
     /*
      * rijndael-alg-fst.c
      *
      * @version 3.0 (December 2000)
      *
      * Optimised ANSI C code for the Rijndael cipher (now AES)
      *
     * @author Vincent Rijmen <vincent.rijmen@esat.kuleuven.ac.be>
     * @author Antoon Bosselaers <antoon.bosselaers@esat.kuleuven.ac.be>
     * @author Paulo Barreto <paulo.barreto@terra.com.br>
     *
     * This code is hereby placed in the public domain.
     *
     * THIS SOFTWARE IS PROVIDED BY THE AUTHORS ''AS IS'' AND ANY EXPRESS
     * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
     * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE
     * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
     * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
     * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
     * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
     * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     */
    
    #include <sys/cdefs.h>
    __FBSDID("$FreeBSD: releng/9.2/sys/crypto/rijndael/rijndael-api.c 175360 2008-01-15 18:34:47Z sobomax $");
    
    #include <sys/types.h>
    #ifdef _KERNEL
    #include <sys/systm.h>
    #endif
    
    #include <crypto/rijndael/rijndael.h>
    
    void
    rijndael_set_key(rijndael_ctx *ctx, const u_char *key, int bits)
    {
    
            ctx->Nr = rijndaelKeySetupEnc(ctx->ek, key, bits);
            rijndaelKeySetupDec(ctx->dk, key, bits);
    }
    
    void
    rijndael_decrypt(const rijndael_ctx *ctx, const u_char *src, u_char *dst)
    {
    
            rijndaelDecrypt(ctx->dk, ctx->Nr, src, dst);
    }
    
    void
    rijndael_encrypt(const rijndael_ctx *ctx, const u_char *src, u_char *dst)
    {
    
            rijndaelEncrypt(ctx->ek, ctx->Nr, src, dst);
    }

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