1/* $NetBSD: esp_rijndael.c,v 1.19 2006/10/12 01:32:38 christos Exp $ */ 2/* $KAME: esp_rijndael.c,v 1.4 2001/03/02 05:53:05 itojun Exp $ */ 3 4/* 5 * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project. 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 3. Neither the name of the project nor the names of its contributors 17 * may be used to endorse or promote products derived from this software 18 * without specific prior written permission. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND 21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23 * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE 24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30 * SUCH DAMAGE. 31 */ 32 33#include <sys/cdefs.h> 34__KERNEL_RCSID(0, "$NetBSD: esp_rijndael.c,v 1.19 2006/10/12 01:32:38 christos Exp $"); 35 36#include <sys/param.h> 37#include <sys/systm.h> 38#include <sys/socket.h> 39#include <sys/queue.h> 40 41#include <net/if.h> 42#include <net/route.h> 43#include <netinet/in.h> 44 45#include <netinet6/ipsec.h> 46#include <netinet6/esp.h> 47#include <netinet6/esp_rijndael.h> 48 49#include <crypto/rijndael/rijndael.h> 50 51#include <net/net_osdep.h> 52 53size_t 54esp_rijndael_schedlen(const struct esp_algorithm *algo) 55{ 56 57 return sizeof(rijndael_ctx); 58} 59 60int 61esp_rijndael_schedule(const struct esp_algorithm *algo, 62 struct secasvar *sav) 63{ 64 rijndael_ctx *ctx; 65 66 ctx = (rijndael_ctx *)sav->sched; 67 rijndael_set_key(ctx, 68 (u_char *)_KEYBUF(sav->key_enc), _KEYLEN(sav->key_enc) * 8); 69 return 0; 70} 71 72int 73esp_rijndael_blockdecrypt(const struct esp_algorithm *algo, 74 struct secasvar *sav, u_int8_t *s, u_int8_t *d) 75{ 76 rijndael_ctx *ctx; 77 78 ctx = (rijndael_ctx *)sav->sched; 79 rijndael_decrypt(ctx, s, d); 80 return 0; 81} 82 83int 84esp_rijndael_blockencrypt(const struct esp_algorithm *algo, 85 struct secasvar *sav, u_int8_t *s, u_int8_t *d) 86{ 87 rijndael_ctx *ctx; 88 89 ctx = (rijndael_ctx *)sav->sched; 90 rijndael_encrypt(ctx, s, d); 91 return 0; 92} 93