/* $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 * @author Antoon Bosselaers * @author Paulo Barreto * * 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 #ifdef _KERNEL #include #endif #include 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); }