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