FreeBSD/Linux Kernel Cross Reference
sys/netinet6/esp_rijndael.c

     /*      $NetBSD: esp_rijndael.c,v 1.17 2003/08/27 14:23:25 itojun Exp $ */
     /*      $KAME: esp_rijndael.c,v 1.4 2001/03/02 05:53:05 itojun Exp $    */
     
     /*
      * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
      * All rights reserved.
      *
      * Redistribution and use in source and binary forms, with or without
      * modification, are permitted provided that the following conditions
     * are met:
     * 1. Redistributions of source code must retain the above copyright
     *    notice, this list of conditions and the following disclaimer.
     * 2. Redistributions in binary form must reproduce the above copyright
     *    notice, this list of conditions and the following disclaimer in the
     *    documentation and/or other materials provided with the distribution.
     * 3. Neither the name of the project nor the names of its contributors
     *    may be used to endorse or promote products derived from this software
     *    without specific prior written permission.
     *
     * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``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 PROJECT 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>
    __KERNEL_RCSID(0, "$NetBSD: esp_rijndael.c,v 1.17 2003/08/27 14:23:25 itojun Exp $");
    
    #include <sys/param.h>
    #include <sys/systm.h>
    #include <sys/socket.h>
    #include <sys/queue.h>
    
    #include <net/if.h>
    #include <net/route.h>
    #include <netinet/in.h>
    
    #include <netinet6/ipsec.h>
    #include <netinet6/esp.h>
    #include <netinet6/esp_rijndael.h>
    
    #include <crypto/rijndael/rijndael.h>
    
    #include <net/net_osdep.h>
    
    size_t
    esp_rijndael_schedlen(algo)
            const struct esp_algorithm *algo;
    {
    
            return sizeof(rijndael_ctx);
    }
    
    int
    esp_rijndael_schedule(algo, sav)
            const struct esp_algorithm *algo;
            struct secasvar *sav;
    {
            rijndael_ctx *ctx;
    
            ctx = (rijndael_ctx *)sav->sched;
            rijndael_set_key(ctx,
                (u_char *)_KEYBUF(sav->key_enc), _KEYLEN(sav->key_enc) * 8);
            return 0;
    }
    
    int
    esp_rijndael_blockdecrypt(algo, sav, s, d)
            const struct esp_algorithm *algo;
            struct secasvar *sav;
            u_int8_t *s;
            u_int8_t *d;
    {
            rijndael_ctx *ctx;
    
            ctx = (rijndael_ctx *)sav->sched;
            rijndael_decrypt(ctx, s, d);
            return 0;
    }
    
    int
    esp_rijndael_blockencrypt(algo, sav, s, d)
            const struct esp_algorithm *algo;
            struct secasvar *sav;
            u_int8_t *s;
            u_int8_t *d;
    {
            rijndael_ctx *ctx;
    
            ctx = (rijndael_ctx *)sav->sched;
            rijndael_encrypt(ctx, s, d);
            return 0;
   }

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