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/types.h>
54 #include <crypto/sha1.h>
55 #include <opencrypto/xform_auth.h>
56
57 static void SHA1Init_int(void *);
58 static int SHA1Update_int(void *, const void *, u_int);
59 static void SHA1Final_int(uint8_t *, void *);
60
61 /* Plain hash */
62 const struct auth_hash auth_hash_sha1 = {
63 .type = CRYPTO_SHA1,
64 .name = "SHA1",
65 .hashsize = SHA1_HASH_LEN,
66 .ctxsize = sizeof(SHA1_CTX),
67 .blocksize = SHA1_BLOCK_LEN,
68 .Init = SHA1Init_int,
69 .Update = SHA1Update_int,
70 .Final = SHA1Final_int,
71 };
72
73 /* Authentication instances */
74 const struct auth_hash auth_hash_hmac_sha1 = {
75 .type = CRYPTO_SHA1_HMAC,
76 .name = "HMAC-SHA1",
77 .keysize = SHA1_BLOCK_LEN,
78 .hashsize = SHA1_HASH_LEN,
79 .ctxsize = sizeof(SHA1_CTX),
80 .blocksize = SHA1_BLOCK_LEN,
81 .Init = SHA1Init_int,
82 .Update = SHA1Update_int,
83 .Final = SHA1Final_int,
84 };
85
86 /*
87 * And now for auth.
88 */
89 static void
90 SHA1Init_int(void *ctx)
91 {
92 SHA1Init(ctx);
93 }
94
95 static int
96 SHA1Update_int(void *ctx, const void *buf, u_int len)
97 {
98 SHA1Update(ctx, buf, len);
99 return 0;
100 }
101
102 static void
103 SHA1Final_int(uint8_t *blk, void *ctx)
104 {
105 SHA1Final(blk, ctx);
106 }
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