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