1 /*	$NetBSD: keyvalues.h,v 1.5 2014/12/10 04:37:58 christos Exp $	*/
2 
3 /*
4  * Copyright (C) 2004-2010, 2012  Internet Systems Consortium, Inc. ("ISC")
5  * Copyright (C) 1999-2001, 2003  Internet Software Consortium.
6  *
7  * Permission to use, copy, modify, and/or distribute this software for any
8  * purpose with or without fee is hereby granted, provided that the above
9  * copyright notice and this permission notice appear in all copies.
10  *
11  * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
12  * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
13  * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
14  * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
15  * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
16  * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
17  * PERFORMANCE OF THIS SOFTWARE.
18  */
19 
20 /* Id: keyvalues.h,v 1.29 2010/12/23 23:47:08 tbox Exp  */
21 
22 #ifndef DNS_KEYVALUES_H
23 #define DNS_KEYVALUES_H 1
24 
25 /*! \file dns/keyvalues.h */
26 
27 /*
28  * Flags field of the KEY RR rdata
29  */
30 #define DNS_KEYFLAG_TYPEMASK	0xC000	/*%< Mask for "type" bits */
31 #define DNS_KEYTYPE_AUTHCONF	0x0000	/*%< Key usable for both */
32 #define DNS_KEYTYPE_CONFONLY	0x8000	/*%< Key usable for confidentiality */
33 #define DNS_KEYTYPE_AUTHONLY	0x4000	/*%< Key usable for authentication */
34 #define DNS_KEYTYPE_NOKEY	0xC000	/*%< No key usable for either; no key */
35 #define DNS_KEYTYPE_NOAUTH	DNS_KEYTYPE_CONFONLY
36 #define DNS_KEYTYPE_NOCONF	DNS_KEYTYPE_AUTHONLY
37 
38 #define DNS_KEYFLAG_RESERVED2	0x2000	/*%< reserved - must be zero */
39 #define DNS_KEYFLAG_EXTENDED	0x1000	/*%< key has extended flags */
40 #define DNS_KEYFLAG_RESERVED4	0x0800	/*%< reserved - must be zero */
41 #define DNS_KEYFLAG_RESERVED5	0x0400	/*%< reserved - must be zero */
42 #define DNS_KEYFLAG_OWNERMASK	0x0300	/*%< these bits determine the type */
43 #define DNS_KEYOWNER_USER	0x0000	/*%< key is assoc. with user */
44 #define DNS_KEYOWNER_ENTITY	0x0200	/*%< key is assoc. with entity eg host */
45 #define DNS_KEYOWNER_ZONE	0x0100	/*%< key is zone key */
46 #define DNS_KEYOWNER_RESERVED	0x0300	/*%< reserved meaning */
47 #define DNS_KEYFLAG_REVOKE	0x0080	/*%< key revoked (per rfc5011) */
48 #define DNS_KEYFLAG_RESERVED9	0x0040	/*%< reserved - must be zero */
49 #define DNS_KEYFLAG_RESERVED10	0x0020	/*%< reserved - must be zero */
50 #define DNS_KEYFLAG_RESERVED11	0x0010	/*%< reserved - must be zero */
51 #define DNS_KEYFLAG_SIGNATORYMASK 0x000F /*%< key can sign RR's of same name */
52 
53 #define DNS_KEYFLAG_RESERVEDMASK (DNS_KEYFLAG_RESERVED2 | \
54 				  DNS_KEYFLAG_RESERVED4 | \
55 				  DNS_KEYFLAG_RESERVED5 | \
56 				  DNS_KEYFLAG_RESERVED9 | \
57 				  DNS_KEYFLAG_RESERVED10 | \
58 				  DNS_KEYFLAG_RESERVED11 )
59 #define DNS_KEYFLAG_KSK		0x0001	/*%< key signing key */
60 
61 #define DNS_KEYFLAG_RESERVEDMASK2 0xFFFF	/*%< no bits defined here */
62 
63 /* The Algorithm field of the KEY and SIG RR's is an integer, {1..254} */
64 #define DNS_KEYALG_RSAMD5	1       /*%< RSA with MD5 */
65 #define DNS_KEYALG_RSA		DNS_KEYALG_RSAMD5
66 #define DNS_KEYALG_DH		2       /*%< Diffie Hellman KEY */
67 #define DNS_KEYALG_DSA		3       /*%< DSA KEY */
68 #define DNS_KEYALG_NSEC3DSA	6
69 #define DNS_KEYALG_DSS		DNS_ALG_DSA
70 #define DNS_KEYALG_ECC		4
71 #define DNS_KEYALG_RSASHA1	5
72 #define DNS_KEYALG_NSEC3RSASHA1	7
73 #define DNS_KEYALG_RSASHA256	8
74 #define DNS_KEYALG_RSASHA512	10
75 #define DNS_KEYALG_ECCGOST	12
76 #define DNS_KEYALG_ECDSA256	13
77 #define DNS_KEYALG_ECDSA384	14
78 #define DNS_KEYALG_INDIRECT	252
79 #define DNS_KEYALG_PRIVATEDNS	253
80 #define DNS_KEYALG_PRIVATEOID	254     /*%< Key begins with OID giving alg */
81 
82 /* Protocol values  */
83 #define	DNS_KEYPROTO_RESERVED	0
84 #define DNS_KEYPROTO_TLS	1
85 #define DNS_KEYPROTO_EMAIL	2
86 #define DNS_KEYPROTO_DNSSEC	3
87 #define DNS_KEYPROTO_IPSEC	4
88 #define DNS_KEYPROTO_ANY	255
89 
90 /* Signatures */
91 #define DNS_SIG_RSAMINBITS	512	/*%< Size of a mod or exp in bits */
92 #define DNS_SIG_RSAMAXBITS	2552
93 	/* Total of binary mod and exp */
94 #define DNS_SIG_RSAMAXBYTES	((DNS_SIG_RSAMAXBITS+7/8)*2+3)
95 	/*%< Max length of text sig block */
96 #define DNS_SIG_RSAMAXBASE64	(((DNS_SIG_RSAMAXBYTES+2)/3)*4)
97 #define DNS_SIG_RSAMINSIZE	((DNS_SIG_RSAMINBITS+7)/8)
98 #define DNS_SIG_RSAMAXSIZE	((DNS_SIG_RSAMAXBITS+7)/8)
99 
100 #define DNS_SIG_DSASIGSIZE	41
101 #define DNS_SIG_DSAMINBITS	512
102 #define DNS_SIG_DSAMAXBITS	1024
103 #define DNS_SIG_DSAMINBYTES	213
104 #define DNS_SIG_DSAMAXBYTES	405
105 
106 #define DNS_SIG_GOSTSIGSIZE	64
107 
108 #define DNS_SIG_ECDSA256SIZE	64
109 #define DNS_SIG_ECDSA384SIZE	96
110 
111 #define DNS_KEY_ECDSA256SIZE	64
112 #define DNS_KEY_ECDSA384SIZE	96
113 
114 #endif /* DNS_KEYVALUES_H */
115