1 /* $FreeBSD: releng/6.4/sys/netinet6/esp_rijndael.c 139826 2005-01-07 02:30:35Z imp $ */
2 /* $KAME: esp_rijndael.c,v 1.14 2003/08/28 08:23:20 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/param.h>
34 #include <sys/systm.h>
35 #include <sys/socket.h>
36 #include <sys/queue.h>
37
38 #include <net/if.h>
39 #include <net/route.h>
40 #include <netinet/in.h>
41
42 #include <netinet6/ipsec.h>
43 #include <netinet6/esp.h>
44 #include <netinet6/esp_rijndael.h>
45
46 #include <crypto/rijndael/rijndael.h>
47
48 #include <net/net_osdep.h>
49
50 size_t
51 esp_rijndael_schedlen(algo)
52 const struct esp_algorithm *algo;
53 {
54
55 return sizeof(rijndael_ctx);
56 }
57
58 int
59 esp_rijndael_schedule(algo, sav)
60 const struct esp_algorithm *algo;
61 struct secasvar *sav;
62 {
63 rijndael_ctx *ctx;
64
65 ctx = (rijndael_ctx *)sav->sched;
66 rijndael_set_key(ctx,
67 (u_char *)_KEYBUF(sav->key_enc), _KEYLEN(sav->key_enc) * 8);
68 return 0;
69 }
70
71 int
72 esp_rijndael_blockdecrypt(algo, sav, s, d)
73 const struct esp_algorithm *algo;
74 struct secasvar *sav;
75 u_int8_t *s;
76 u_int8_t *d;
77 {
78 rijndael_ctx *ctx;
79
80 ctx = (rijndael_ctx *)sav->sched;
81 rijndael_decrypt(ctx, s, d);
82 return 0;
83 }
84
85 int
86 esp_rijndael_blockencrypt(algo, sav, s, d)
87 const struct esp_algorithm *algo;
88 struct secasvar *sav;
89 u_int8_t *s;
90 u_int8_t *d;
91 {
92 rijndael_ctx *ctx;
93
94 ctx = (rijndael_ctx *)sav->sched;
95 rijndael_encrypt(ctx, s, d);
96 return 0;
97 }
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