xref: /freebsd/sys/opencrypto/xform_gmac.c (revision fed1ca4b719c56c930f2259d80663cd34be812bb)
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 	CRYPTO_AES_NIST_GMAC, "AES-GMAC",
59 	AES_ICM_BLOCK_LEN, AES_GCM_IV_LEN, AES_MIN_KEY, AES_MAX_KEY,
60 	NULL,
61 	NULL,
62 	NULL,
63 	NULL,
64 	NULL,
65 };
66 
67 /* Authentication instances */
68 struct auth_hash auth_hash_nist_gmac_aes_128 = {
69 	CRYPTO_AES_128_NIST_GMAC, "GMAC-AES-128",
70 	AES_128_GMAC_KEY_LEN, AES_GMAC_HASH_LEN, sizeof(struct aes_gmac_ctx),
71 	GMAC_BLOCK_LEN,
72 	(void (*)(void *)) AES_GMAC_Init,
73 	(void (*)(void *, const u_int8_t *, u_int16_t)) AES_GMAC_Setkey,
74 	(void (*)(void *, const u_int8_t *, u_int16_t)) AES_GMAC_Reinit,
75 	(int  (*)(void *, const u_int8_t *, u_int16_t)) AES_GMAC_Update,
76 	(void (*)(u_int8_t *, void *)) AES_GMAC_Final
77 };
78 
79 struct auth_hash auth_hash_nist_gmac_aes_192 = {
80 	CRYPTO_AES_192_NIST_GMAC, "GMAC-AES-192",
81 	AES_192_GMAC_KEY_LEN, AES_GMAC_HASH_LEN, sizeof(struct aes_gmac_ctx),
82 	GMAC_BLOCK_LEN,
83 	(void (*)(void *)) AES_GMAC_Init,
84 	(void (*)(void *, const u_int8_t *, u_int16_t)) AES_GMAC_Setkey,
85 	(void (*)(void *, const u_int8_t *, u_int16_t)) AES_GMAC_Reinit,
86 	(int  (*)(void *, const u_int8_t *, u_int16_t)) AES_GMAC_Update,
87 	(void (*)(u_int8_t *, void *)) AES_GMAC_Final
88 };
89 
90 struct auth_hash auth_hash_nist_gmac_aes_256 = {
91 	CRYPTO_AES_256_NIST_GMAC, "GMAC-AES-256",
92 	AES_256_GMAC_KEY_LEN, AES_GMAC_HASH_LEN, sizeof(struct aes_gmac_ctx),
93 	GMAC_BLOCK_LEN,
94 	(void (*)(void *)) AES_GMAC_Init,
95 	(void (*)(void *, const u_int8_t *, u_int16_t)) AES_GMAC_Setkey,
96 	(void (*)(void *, const u_int8_t *, u_int16_t)) AES_GMAC_Reinit,
97 	(int  (*)(void *, const u_int8_t *, u_int16_t)) AES_GMAC_Update,
98 	(void (*)(u_int8_t *, void *)) AES_GMAC_Final
99 };
100