1 /*	$NetBSD: oakley.h,v 1.7 2009/03/12 10:57:26 tteras Exp $	*/
2 
3 /* Id: oakley.h,v 1.13 2005/05/30 20:12:43 fredsen Exp */
4 
5 /*
6  * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
7  * All rights reserved.
8  *
9  * Redistribution and use in source and binary forms, with or without
10  * modification, are permitted provided that the following conditions
11  * are met:
12  * 1. Redistributions of source code must retain the above copyright
13  *    notice, this list of conditions and the following disclaimer.
14  * 2. Redistributions in binary form must reproduce the above copyright
15  *    notice, this list of conditions and the following disclaimer in the
16  *    documentation and/or other materials provided with the distribution.
17  * 3. Neither the name of the project nor the names of its contributors
18  *    may be used to endorse or promote products derived from this software
19  *    without specific prior written permission.
20  *
21  * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
22  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24  * ARE DISCLAIMED.  IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
25  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31  * SUCH DAMAGE.
32  */
33 
34 #ifndef _OAKLEY_H
35 #define _OAKLEY_H
36 
37 #include "vmbuf.h"
38 
39 /* refer to RFC 2409 */
40 
41 /* Attribute Classes */
42 #define OAKLEY_ATTR_ENC_ALG		1 /* B */
43 #define   OAKLEY_ATTR_ENC_ALG_DES		1
44 #define   OAKLEY_ATTR_ENC_ALG_IDEA		2
45 #define   OAKLEY_ATTR_ENC_ALG_BLOWFISH		3
46 #define   OAKLEY_ATTR_ENC_ALG_RC5		4
47 #define   OAKLEY_ATTR_ENC_ALG_3DES		5
48 #define   OAKLEY_ATTR_ENC_ALG_CAST		6
49 #define   OAKLEY_ATTR_ENC_ALG_AES		7
50 #define   OAKLEY_ATTR_ENC_ALG_CAMELLIA		8
51 					/*	65001 - 65535 Private Use */
52 #define OAKLEY_ATTR_HASH_ALG		2 /* B */
53 #define   OAKLEY_ATTR_HASH_ALG_MD5		1
54 #define   OAKLEY_ATTR_HASH_ALG_SHA		2
55 #define   OAKLEY_ATTR_HASH_ALG_TIGER		3
56 #if defined(WITH_SHA2)
57 #define   OAKLEY_ATTR_HASH_ALG_SHA2_256		4
58 #define   OAKLEY_ATTR_HASH_ALG_SHA2_384		5
59 #define   OAKLEY_ATTR_HASH_ALG_SHA2_512		6
60 #endif
61 					/*	65001 - 65535 Private Use */
62 #define OAKLEY_ATTR_AUTH_METHOD		3 /* B */
63 #define   OAKLEY_ATTR_AUTH_METHOD_PSKEY		1
64 #define   OAKLEY_ATTR_AUTH_METHOD_DSSSIG	2
65 #define   OAKLEY_ATTR_AUTH_METHOD_RSASIG	3
66 #define   OAKLEY_ATTR_AUTH_METHOD_RSAENC	4
67 #define   OAKLEY_ATTR_AUTH_METHOD_RSAREV	5
68 #define   OAKLEY_ATTR_AUTH_METHOD_EGENC		6
69 #define   OAKLEY_ATTR_AUTH_METHOD_EGREV		7
70 	/* Hybrid Auth */
71 #ifdef ENABLE_HYBRID
72 #define   OAKLEY_ATTR_AUTH_METHOD_HYBRID_RSA_I	64221
73 #define	  OAKLEY_ATTR_AUTH_METHOD_HYBRID_RSA_R	64222
74 #define   OAKLEY_ATTR_AUTH_METHOD_HYBRID_DSS_I	64223
75 #define   OAKLEY_ATTR_AUTH_METHOD_HYBRID_DSS_R	64224
76 
77 					/*	65001 - 65535 Private Use */
78 
79         /* Plain Xauth */
80 #define OAKLEY_ATTR_AUTH_METHOD_XAUTH_PSKEY_I	65001
81 #define OAKLEY_ATTR_AUTH_METHOD_XAUTH_PSKEY_R	65002
82 #define OAKLEY_ATTR_AUTH_METHOD_XAUTH_DSSSIG_I	65003
83 #define OAKLEY_ATTR_AUTH_METHOD_XAUTH_DSSSIG_R	65004
84 #define OAKLEY_ATTR_AUTH_METHOD_XAUTH_RSASIG_I	65005
85 #define OAKLEY_ATTR_AUTH_METHOD_XAUTH_RSASIG_R	65006
86 #define OAKLEY_ATTR_AUTH_METHOD_XAUTH_RSAENC_I	65007
87 #define OAKLEY_ATTR_AUTH_METHOD_XAUTH_RSAENC_R	65008
88 #define OAKLEY_ATTR_AUTH_METHOD_XAUTH_RSAREV_I	65009
89 #define OAKLEY_ATTR_AUTH_METHOD_XAUTH_RSAREV_R	65010
90 #endif
91 
92 /*
93  * The following are valid when the Vendor ID is one of
94  * the following:
95  *
96  *	MD5("A GSS-API Authentication Method for IKE")
97  *	MD5("GSSAPI") (recognized by Windows 2000)
98  *	MD5("MS NT5 ISAKMPOAKLEY") (sent by Windows 2000)
99  */
100 
101 #define OAKLEY_ATTR_AUTH_METHOD_GSSAPI_KRB	(65001 + 0x10000)
102 #define OAKLEY_ATTR_AUTH_METHOD_GSSAPI_KRB_REAL	65001
103 
104 #define OAKLEY_ATTR_GRP_DESC		4 /* B */
105 #define   OAKLEY_ATTR_GRP_DESC_MODP768		1
106 #define   OAKLEY_ATTR_GRP_DESC_MODP1024		2
107 #define   OAKLEY_ATTR_GRP_DESC_EC2N155		3
108 #define   OAKLEY_ATTR_GRP_DESC_EC2N185		4
109 #define   OAKLEY_ATTR_GRP_DESC_MODP1536		5
110 #define   OAKLEY_ATTR_GRP_DESC_MODP2048		14
111 #define   OAKLEY_ATTR_GRP_DESC_MODP3072		15
112 #define   OAKLEY_ATTR_GRP_DESC_MODP4096		16
113 #define   OAKLEY_ATTR_GRP_DESC_MODP6144		17
114 #define   OAKLEY_ATTR_GRP_DESC_MODP8192		18
115 					/*	32768 - 65535 Private Use */
116 #define OAKLEY_ATTR_GRP_TYPE		5 /* B */
117 #define   OAKLEY_ATTR_GRP_TYPE_MODP		1
118 #define   OAKLEY_ATTR_GRP_TYPE_ECP		2
119 #define   OAKLEY_ATTR_GRP_TYPE_EC2N		3
120 					/*	65001 - 65535 Private Use */
121 #define OAKLEY_ATTR_GRP_PI		6 /* V */
122 #define OAKLEY_ATTR_GRP_GEN_ONE		7 /* V */
123 #define OAKLEY_ATTR_GRP_GEN_TWO		8 /* V */
124 #define OAKLEY_ATTR_GRP_CURVE_A		9 /* V */
125 #define OAKLEY_ATTR_GRP_CURVE_B		10 /* V */
126 #define OAKLEY_ATTR_SA_LD_TYPE		11 /* B */
127 #define   OAKLEY_ATTR_SA_LD_TYPE_DEFAULT	1
128 #define   OAKLEY_ATTR_SA_LD_TYPE_SEC		1
129 #define   OAKLEY_ATTR_SA_LD_TYPE_KB		2
130 #define   OAKLEY_ATTR_SA_LD_TYPE_MAX		3
131 					/*	65001 - 65535 Private Use */
132 #define OAKLEY_ATTR_SA_LD		12 /* V */
133 #define   OAKLEY_ATTR_SA_LD_SEC_DEFAULT		28800 /* 8 hours */
134 #define OAKLEY_ATTR_PRF			13 /* B */
135 #define OAKLEY_ATTR_KEY_LEN		14 /* B */
136 #define OAKLEY_ATTR_FIELD_SIZE		15 /* B */
137 #define OAKLEY_ATTR_GRP_ORDER		16 /* V */
138 #define OAKLEY_ATTR_BLOCK_SIZE		17 /* B */
139 				/*	16384 - 32767 Private Use */
140 
141 	/*
142 	 * The following are valid when the Vendor ID is one of
143 	 * the following:
144 	 *
145 	 *	MD5("A GSS-API Authentication Method for IKE")
146 	 *	MD5("GSSAPI") (recognized by Windows 2000)
147 	 *	MD5("MS NT5 ISAKMPOAKLEY") (sent by Windows 2000)
148 	 */
149 #define OAKLEY_ATTR_GSS_ID		16384
150 
151 #define MAXPADLWORD	20
152 
153 struct dhgroup {
154 	int type;
155 	vchar_t *prime;
156 	int gen1;
157 	int gen2;
158 	vchar_t *curve_a;
159 	vchar_t *curve_b;
160 	vchar_t *order;
161 };
162 
163 struct ph1handle;
164 struct ph2handle;
165 struct isakmp_ivm;
166 
167 extern int oakley_get_defaultlifetime __P((void));
168 
169 extern int oakley_dhinit __P((void));
170 extern void oakley_dhgrp_free __P((struct dhgroup *));
171 extern int oakley_dh_compute __P((const struct dhgroup *,
172 	vchar_t *, vchar_t *, vchar_t *, vchar_t **));
173 extern int oakley_dh_generate __P((const struct dhgroup *,
174 	vchar_t **, vchar_t **));
175 extern int oakley_setdhgroup __P((int, struct dhgroup **));
176 
177 extern vchar_t *oakley_prf __P((vchar_t *, vchar_t *, struct ph1handle *));
178 extern vchar_t *oakley_hash __P((vchar_t *, struct ph1handle *));
179 
180 extern int oakley_compute_keymat __P((struct ph2handle *, int));
181 
182 #if notyet
183 extern vchar_t *oakley_compute_hashx __P((void));
184 #endif
185 extern vchar_t *oakley_compute_hash3 __P((struct ph1handle *,
186 	u_int32_t, vchar_t *));
187 extern vchar_t *oakley_compute_hash1 __P((struct ph1handle *,
188 	u_int32_t, vchar_t *));
189 extern vchar_t *oakley_ph1hash_common __P((struct ph1handle *, int));
190 extern vchar_t *oakley_ph1hash_base_i __P((struct ph1handle *, int));
191 extern vchar_t *oakley_ph1hash_base_r __P((struct ph1handle *, int));
192 
193 extern int oakley_get_certtype __P((vchar_t *));
194 extern int oakley_validate_auth __P((struct ph1handle *));
195 extern int oakley_getmycert __P((struct ph1handle *));
196 extern int oakley_getsign __P((struct ph1handle *));
197 extern vchar_t *oakley_getcr __P((struct ph1handle *));
198 extern struct payload_list *oakley_append_cr __P((struct payload_list *,
199 						  struct ph1handle *));
200 extern int oakley_checkcr __P((struct ph1handle *));
201 extern int oakley_needcr __P((int));
202 struct isakmp_gen;
203 extern int oakley_savecert __P((struct ph1handle *, struct isakmp_gen *));
204 extern int oakley_savecr __P((struct ph1handle *, struct isakmp_gen *));
205 
206 extern int oakley_skeyid __P((struct ph1handle *));
207 extern int oakley_skeyid_dae __P((struct ph1handle *));
208 
209 extern int oakley_compute_enckey __P((struct ph1handle *));
210 extern int oakley_newiv __P((struct ph1handle *));
211 extern struct isakmp_ivm *oakley_newiv2 __P((struct ph1handle *, u_int32_t));
212 extern void oakley_delivm __P((struct isakmp_ivm *));
213 extern vchar_t *oakley_do_decrypt __P((struct ph1handle *,
214 	vchar_t *, vchar_t *, vchar_t *));
215 extern vchar_t *oakley_do_encrypt __P((struct ph1handle *,
216 	vchar_t *, vchar_t *, vchar_t *));
217 
218 #endif /* _OAKLEY_H */
219