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 */ 217