crypto/dist/ipsec-tools/src/racoon/algorithm.h

   1 /*      $NetBSD: algorithm.h,v 1.4 2006/09/09 16:22:09 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 */