1: /* $NetBSD: algorithm.h,v 1.5 2006/10/06 12:02:27 manu Exp $ */
2:
3: /* Id: algorithm.h,v 1.10 2005/04/09 16:25:23 manubsd 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 _ALGORITHM_H
35: #define _ALGORITHM_H
36:
37: #include <gnuc.h>
38:
39: /* algorithm class */
40: enum {
41: algclass_ipsec_enc,
42: algclass_ipsec_auth,
43: algclass_ipsec_comp,
44: algclass_isakmp_enc,
45: algclass_isakmp_hash,
46: algclass_isakmp_dh,
47: algclass_isakmp_ameth, /* authentication method. */
48: #define MAXALGCLASS 7
49: };
50:
51: #define ALG_DEFAULT_KEYLEN 64
52:
53: #define ALGTYPE_NOTHING 0
54:
55: /* algorithm type */
56: enum algtype {
57: algtype_nothing = 0,
58:
59: /* enc */
60: algtype_des_iv64,
61: algtype_des,
62: algtype_3des,
63: algtype_rc5,
64: algtype_idea,
65: algtype_cast128,
66: algtype_blowfish,
67: algtype_3idea,
68: algtype_des_iv32,
69: algtype_rc4,
70: algtype_null_enc,
71: algtype_aes,
72: algtype_twofish,
73: algtype_camellia,
74:
75: /* ipsec auth */
76: algtype_hmac_md5,
77: algtype_hmac_sha1,
78: algtype_des_mac,
79: algtype_kpdk,
80: algtype_non_auth,
81: algtype_hmac_sha2_256,
82: algtype_hmac_sha2_384,
83: algtype_hmac_sha2_512,
84:
85: /* ipcomp */
86: algtype_oui,
87: algtype_deflate,
88: algtype_lzs,
89:
90: /* hash */
91: algtype_md5,
92: algtype_sha1,
93: algtype_tiger,
94: algtype_sha2_256,
95: algtype_sha2_384,
96: algtype_sha2_512,
97:
98: /* dh_group */
99: algtype_modp768,
100: algtype_modp1024,
101: algtype_ec2n155,
102: algtype_ec2n185,
103: algtype_modp1536,
104: algtype_modp2048,
105: algtype_modp3072,
106: algtype_modp4096,
107: algtype_modp6144,
108: algtype_modp8192,
109:
110: /* authentication method. */
111: algtype_psk,
112: algtype_dsssig,
113: algtype_rsasig,
114: algtype_rsaenc,
115: algtype_rsarev,
116: algtype_gssapikrb,
117: #ifdef ENABLE_HYBRID
118: algtype_hybrid_rsa_s,
119: algtype_hybrid_dss_s,
120: algtype_hybrid_rsa_c,
121: algtype_hybrid_dss_c,
122: algtype_xauth_psk_s,
123: algtype_xauth_psk_c,
124: algtype_xauth_rsa_s,
125: algtype_xauth_rsa_c,
126: #endif
127: };
128:
129: struct hmac_algorithm {
130: char *name;
131: int type;
132: int doi;
133: caddr_t (*init) __P((vchar_t *));
134: void (*update) __P((caddr_t, vchar_t *));
135: vchar_t *(*final) __P((caddr_t));
136: int (*hashlen) __P((void));
137: vchar_t *(*one) __P((vchar_t *, vchar_t *));
138: };
139:
140: struct hash_algorithm {
141: char *name;
142: int type;
143: int doi;
144: caddr_t (*init) __P((void));
145: void (*update) __P((caddr_t, vchar_t *));
146: vchar_t *(*final) __P((caddr_t));
147: int (*hashlen) __P((void));
148: vchar_t *(*one) __P((vchar_t *));
149: };
150:
151: struct enc_algorithm {
152: char *name;
153: int type;
154: int doi;
155: int blocklen;
156: vchar_t *(*encrypt) __P((vchar_t *, vchar_t *, vchar_t *));
157: vchar_t *(*decrypt) __P((vchar_t *, vchar_t *, vchar_t *));
158: int (*weakkey) __P((vchar_t *));
159: int (*keylen) __P((int));
160: };
161:
162: /* dh group */
163: struct dh_algorithm {
164: char *name;
165: int type;
166: int doi;
167: struct dhgroup *dhgroup;
168: };
169:
170: /* ipcomp, auth meth, dh group */
171: struct misc_algorithm {
172: char *name;
173: int type;
174: int doi;
175: };
176:
177: extern int alg_oakley_hashdef_ok __P((int));
178: extern int alg_oakley_hashdef_doi __P((int));
179: extern int alg_oakley_hashdef_hashlen __P((int));
180: extern vchar_t *alg_oakley_hashdef_one __P((int, vchar_t *));
181:
182: extern int alg_oakley_hmacdef_doi __P((int));
183: extern vchar_t *alg_oakley_hmacdef_one __P((int, vchar_t *, vchar_t *));
184:
185: extern int alg_oakley_encdef_ok __P((int));
186: extern int alg_oakley_encdef_doi __P((int));
187: extern int alg_oakley_encdef_keylen __P((int, int));
188: extern int alg_oakley_encdef_blocklen __P((int));
189: extern vchar_t *alg_oakley_encdef_decrypt __P((int, vchar_t *, vchar_t *, vchar_t *));
190: extern vchar_t *alg_oakley_encdef_encrypt __P((int, vchar_t *, vchar_t *, vchar_t *));
191:
192: extern int alg_ipsec_encdef_doi __P((int));
193: extern int alg_ipsec_encdef_keylen __P((int, int));
194:
195: extern int alg_ipsec_hmacdef_doi __P((int));
196: extern int alg_ipsec_hmacdef_hashlen __P((int));
197:
198: extern int alg_ipsec_compdef_doi __P((int));
199:
200: extern int alg_oakley_dhdef_doi __P((int));
201: extern int alg_oakley_dhdef_ok __P((int));
202: extern struct dhgroup *alg_oakley_dhdef_group __P((int));
203:
204: extern int alg_oakley_authdef_doi __P((int));
205:
206: extern int default_keylen __P((int, int));
207: extern int check_keylen __P((int, int, int));
208: extern int algtype2doi __P((int, int));
209: extern int algclass2doi __P((int));
210:
211: extern const char *alg_oakley_encdef_name __P((int));
212: extern const char *alg_oakley_hashdef_name __P((int));
213: extern const char *alg_oakley_dhdef_name __P((int));
214: extern const char *alg_oakley_authdef_name __P((int));
215:
216: #endif /* _ALGORITHM_H */
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