xref: /freebsd/sys/opencrypto/xform_gmac.c (revision cfd6422a5217410fbd66f7a7a8a64d9d85e61229)
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 <opencrypto/gmac.h>
54 #include <opencrypto/xform_auth.h>
55 
56 /* Encryption instances */
57 struct enc_xform enc_xform_aes_nist_gmac = {
58 	.type = CRYPTO_AES_NIST_GMAC,
59 	.name = "AES-GMAC",
60 	.blocksize = AES_ICM_BLOCK_LEN,
61 	.ivsize = AES_GCM_IV_LEN,
62 	.minkey = AES_MIN_KEY,
63 	.maxkey = AES_MAX_KEY,
64 };
65 
66 /* Authentication instances */
67 struct auth_hash auth_hash_nist_gmac_aes_128 = {
68 	.type = CRYPTO_AES_NIST_GMAC,
69 	.name = "GMAC-AES-128",
70 	.keysize = AES_128_GMAC_KEY_LEN,
71 	.hashsize = AES_GMAC_HASH_LEN,
72 	.ctxsize = sizeof(struct aes_gmac_ctx),
73 	.blocksize = GMAC_BLOCK_LEN,
74 	.Init = AES_GMAC_Init,
75 	.Setkey = AES_GMAC_Setkey,
76 	.Reinit = AES_GMAC_Reinit,
77 	.Update = AES_GMAC_Update,
78 	.Final = AES_GMAC_Final,
79 };
80 
81 struct auth_hash auth_hash_nist_gmac_aes_192 = {
82 	.type = CRYPTO_AES_NIST_GMAC,
83 	.name = "GMAC-AES-192",
84 	.keysize = AES_192_GMAC_KEY_LEN,
85 	.hashsize = AES_GMAC_HASH_LEN,
86 	.ctxsize = sizeof(struct aes_gmac_ctx),
87 	.blocksize = GMAC_BLOCK_LEN,
88 	.Init = AES_GMAC_Init,
89 	.Setkey = AES_GMAC_Setkey,
90 	.Reinit = AES_GMAC_Reinit,
91 	.Update = AES_GMAC_Update,
92 	.Final = AES_GMAC_Final,
93 };
94 
95 struct auth_hash auth_hash_nist_gmac_aes_256 = {
96 	.type = CRYPTO_AES_NIST_GMAC,
97 	.name = "GMAC-AES-256",
98 	.keysize = AES_256_GMAC_KEY_LEN,
99 	.hashsize = AES_GMAC_HASH_LEN,
100 	.ctxsize = sizeof(struct aes_gmac_ctx),
101 	.blocksize = GMAC_BLOCK_LEN,
102 	.Init = AES_GMAC_Init,
103 	.Setkey = AES_GMAC_Setkey,
104 	.Reinit = AES_GMAC_Reinit,
105 	.Update = AES_GMAC_Update,
106 	.Final = AES_GMAC_Final,
107 };
108