1 /* $OpenBSD: xform.c,v 1.16 2001/08/28 12:20:43 ben Exp $ */
2 /*-
3 * The authors of this code are John Ioannidis (ji@tla.org),
4 * Angelos D. Keromytis (kermit@csd.uch.gr),
5 * Niels Provos (provos@physnet.uni-hamburg.de) and
6 * Damien Miller (djm@mindrot.org).
7 *
8 * This code was written by John Ioannidis for BSD/OS in Athens, Greece,
9 * in November 1995.
10 *
11 * Ported to OpenBSD and NetBSD, with additional transforms, in December 1996,
12 * by Angelos D. Keromytis.
13 *
14 * Additional transforms and features in 1997 and 1998 by Angelos D. Keromytis
15 * and Niels Provos.
16 *
17 * Additional features in 1999 by Angelos D. Keromytis.
18 *
19 * AES XTS implementation in 2008 by Damien Miller
20 *
21 * Copyright (C) 1995, 1996, 1997, 1998, 1999 by John Ioannidis,
22 * Angelos D. Keromytis and Niels Provos.
23 *
24 * Copyright (C) 2001, Angelos D. Keromytis.
25 *
26 * Copyright (C) 2008, Damien Miller
27 * Copyright (c) 2014 The FreeBSD Foundation
28 * All rights reserved.
29 *
30 * Portions of this software were developed by John-Mark Gurney
31 * under sponsorship of the FreeBSD Foundation and
32 * Rubicon Communications, LLC (Netgate).
33 *
34 * Permission to use, copy, and modify this software with or without fee
35 * is hereby granted, provided that this entire notice is included in
36 * all copies of any software which is or includes a copy or
37 * modification of this software.
38 * You may use this code under the GNU public license if you so wish. Please
39 * contribute changes back to the authors under this freer than GPL license
40 * so that we may further the use of strong encryption without limitations to
41 * all.
42 *
43 * THIS SOFTWARE IS BEING PROVIDED "AS IS", WITHOUT ANY EXPRESS OR
44 * IMPLIED WARRANTY. IN PARTICULAR, NONE OF THE AUTHORS MAKES ANY
45 * REPRESENTATION OR WARRANTY OF ANY KIND CONCERNING THE
46 * MERCHANTABILITY OF THIS SOFTWARE OR ITS FITNESS FOR ANY PARTICULAR
47 * PURPOSE.
48 */
49
50 #include <sys/cdefs.h>
51 __FBSDID("$FreeBSD$");
52
53 #include <sys/md5.h>
54 #include <opencrypto/xform_auth.h>
55
56 static int MD5Update_int(void *, const u_int8_t *, u_int16_t);
57
58 /* Authentication instances */
59 struct auth_hash auth_hash_hmac_md5 = {
60 CRYPTO_MD5_HMAC, "HMAC-MD5",
61 MD5_HMAC_KEY_LEN, MD5_HASH_LEN, sizeof(MD5_CTX), MD5_HMAC_BLOCK_LEN,
62 (void (*) (void *)) MD5Init, NULL, NULL, MD5Update_int,
63 (void (*) (u_int8_t *, void *)) MD5Final
64 };
65
66 struct auth_hash auth_hash_key_md5 = {
67 CRYPTO_MD5_KPDK, "Keyed MD5",
68 NULL_HMAC_KEY_LEN, MD5_KPDK_HASH_LEN, sizeof(MD5_CTX), 0,
69 (void (*)(void *)) MD5Init, NULL, NULL, MD5Update_int,
70 (void (*)(u_int8_t *, void *)) MD5Final
71 };
72
73 /*
74 * And now for auth.
75 */
76 static int
MD5Update_int(void * ctx,const u_int8_t * buf,u_int16_t len)77 MD5Update_int(void *ctx, const u_int8_t *buf, u_int16_t len)
78 {
79 MD5Update(ctx, buf, len);
80 return 0;
81 }
82