xref: /freebsd/sys/opencrypto/xform_gmac.c (revision 7fdf597e96a02165cfe22ff357b857d5fa15ed8a)
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 #include <opencrypto/gmac.h>
52 #include <opencrypto/xform_auth.h>
53 #include <opencrypto/xform_enc.h>
54 
55 /* Encryption instances */
56 const struct enc_xform enc_xform_aes_nist_gmac = {
57 	.type = CRYPTO_AES_NIST_GMAC,
58 	.name = "AES-GMAC",
59 	.blocksize = AES_ICM_BLOCK_LEN,
60 	.ivsize = AES_GCM_IV_LEN,
61 	.minkey = AES_MIN_KEY,
62 	.maxkey = AES_MAX_KEY,
63 };
64 
65 /* Authentication instances */
66 const struct auth_hash auth_hash_nist_gmac_aes_128 = {
67 	.type = CRYPTO_AES_NIST_GMAC,
68 	.name = "GMAC-AES-128",
69 	.keysize = AES_128_GMAC_KEY_LEN,
70 	.hashsize = AES_GMAC_HASH_LEN,
71 	.ctxsize = sizeof(struct aes_gmac_ctx),
72 	.blocksize = GMAC_BLOCK_LEN,
73 	.Init = AES_GMAC_Init,
74 	.Setkey = AES_GMAC_Setkey,
75 	.Reinit = AES_GMAC_Reinit,
76 	.Update = AES_GMAC_Update,
77 	.Final = AES_GMAC_Final,
78 };
79 
80 const struct auth_hash auth_hash_nist_gmac_aes_192 = {
81 	.type = CRYPTO_AES_NIST_GMAC,
82 	.name = "GMAC-AES-192",
83 	.keysize = AES_192_GMAC_KEY_LEN,
84 	.hashsize = AES_GMAC_HASH_LEN,
85 	.ctxsize = sizeof(struct aes_gmac_ctx),
86 	.blocksize = GMAC_BLOCK_LEN,
87 	.Init = AES_GMAC_Init,
88 	.Setkey = AES_GMAC_Setkey,
89 	.Reinit = AES_GMAC_Reinit,
90 	.Update = AES_GMAC_Update,
91 	.Final = AES_GMAC_Final,
92 };
93 
94 const struct auth_hash auth_hash_nist_gmac_aes_256 = {
95 	.type = CRYPTO_AES_NIST_GMAC,
96 	.name = "GMAC-AES-256",
97 	.keysize = AES_256_GMAC_KEY_LEN,
98 	.hashsize = AES_GMAC_HASH_LEN,
99 	.ctxsize = sizeof(struct aes_gmac_ctx),
100 	.blocksize = GMAC_BLOCK_LEN,
101 	.Init = AES_GMAC_Init,
102 	.Setkey = AES_GMAC_Setkey,
103 	.Reinit = AES_GMAC_Reinit,
104 	.Update = AES_GMAC_Update,
105 	.Final = AES_GMAC_Final,
106 };
107