racoon.tproj/algorithm.h

   1 /*      $KAME: algorithm.h,v 1.20 2001/12/12 18:23:41 sakane Exp $      */
   2
   3 /*
   4  * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
   5  * All rights reserved.
   6  *
   7  * Redistribution and use in source and binary forms, with or without
   8  * modification, are permitted provided that the following conditions
   9  * are met:
  10  * 1. Redistributions of source code must retain the above copyright
  11  *    notice, this list of conditions and the following disclaimer.
  12  * 2. Redistributions in binary form must reproduce the above copyright
  13  *    notice, this list of conditions and the following disclaimer in the
  14  *    documentation and/or other materials provided with the distribution.
  15  * 3. Neither the name of the project nor the names of its contributors
  16  *    may be used to endorse or promote products derived from this software
  17  *    without specific prior written permission.
  18  *
  19  * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
  20  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  21  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  22  * ARE DISCLAIMED.  IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
  23  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  24  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  25  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  26  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  27  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  28  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  29  * SUCH DAMAGE.
  30  */
  31
  32 #ifndef __ALGORITHM_H__
  33 #define __ALGORITHM_H__
  34
  35 /* algorithm class */
  36 enum {
  37         algclass_ipsec_enc,
  38         algclass_ipsec_auth,
  39         algclass_ipsec_comp,
  40         algclass_isakmp_enc,
  41         algclass_isakmp_hash,
  42         algclass_isakmp_dh,
  43         algclass_isakmp_ameth,  /* authentication method. */
  44 #define MAXALGCLASS     7
  45 };
  46
  47 #define ALG_DEFAULT_KEYLEN      64
  48
  49 #define ALGTYPE_NOTHING         0
  50
  51 /* algorithm type */
  52 enum {
  53         algtype_nothing = 0,
  54
  55         /* enc */
  56         algtype_des_iv64,
  57         algtype_des,
  58         algtype_3des,
  59         algtype_rc5,
  60         algtype_idea,
  61         algtype_cast128,
  62         algtype_blowfish,
  63         algtype_3idea,
  64         algtype_des_iv32,
  65         algtype_rc4,
  66         algtype_null_enc,
  67         algtype_rijndael,
  68         algtype_twofish,
  69
  70         /* ipsec auth */
  71         algtype_hmac_md5,
  72         algtype_hmac_sha1,
  73         algtype_des_mac,
  74         algtype_kpdk,
  75         algtype_non_auth,
  76         algtype_hmac_sha2_256,
  77         algtype_hmac_sha2_384,
  78         algtype_hmac_sha2_512,
  79
  80         /* ipcomp */
  81         algtype_oui,
  82         algtype_deflate,
  83         algtype_lzs,
  84
  85         /* hash */
  86         algtype_md5,
  87         algtype_sha1,
  88         algtype_tiger,
  89         algtype_sha2_256,
  90         algtype_sha2_384,
  91         algtype_sha2_512,
  92
  93         /* dh_group */
  94         algtype_modp768,
  95         algtype_modp1024,
  96         algtype_ec2n155,
  97         algtype_ec2n185,
  98         algtype_modp1536,
  99         algtype_modp2048,
 100         algtype_modp3072,
 101         algtype_modp4096,
 102         algtype_modp6144,
 103         algtype_modp8192,
 104
 105         /* authentication method. */
 106         algtype_psk,
 107         algtype_dsssig,
 108         algtype_rsasig,
 109         algtype_rsaenc,
 110         algtype_rsarev,
 111         algtype_gssapikrb
 112 };
 113
 114 struct hmac_algorithm {
 115         char *name;
 116         int type;
 117         int doi;
 118         caddr_t (*init) __P((vchar_t *));
 119         void (*update) __P((caddr_t, vchar_t *));
 120         vchar_t *(*final) __P((caddr_t));
 121         int (*hashlen) __P((void));
 122         vchar_t *(*one) __P((vchar_t *, vchar_t *));
 123 };
 124
 125 struct hash_algorithm {
 126         char *name;
 127         int type;
 128         int doi;
 129         caddr_t (*init) __P((void));
 130         void (*update) __P((caddr_t, vchar_t *));
 131         vchar_t *(*final) __P((caddr_t));
 132         int (*hashlen) __P((void));
 133         vchar_t *(*one) __P((vchar_t *));
 134 };
 135
 136 struct enc_algorithm {
 137         char *name;
 138         int type;
 139         int doi;
 140         int blocklen;
 141         vchar_t *(*encrypt) __P((vchar_t *, vchar_t *, vchar_t *));
 142         vchar_t *(*decrypt) __P((vchar_t *, vchar_t *, vchar_t *));
 143         int (*weakkey) __P((vchar_t *));
 144         int (*keylen) __P((int));
 145 };
 146
 147 /* dh group */
 148 struct dh_algorithm {
 149         char *name;
 150         int type;
 151         int doi;
 152         struct dhgroup *dhgroup;
 153 };
 154
 155 /* ipcomp, auth meth, dh group */
 156 struct misc_algorithm {
 157         char *name;
 158         int type;
 159         int doi;
 160 };
 161
 162 extern int alg_oakley_hashdef_ok __P((int));
 163 extern int alg_oakley_hashdef_doi __P((int));
 164 extern int alg_oakley_hashdef_hashlen __P((int));
 165 extern vchar_t *alg_oakley_hashdef_one __P((int, vchar_t *));
 166
 167 extern int alg_oakley_hmacdef_doi __P((int));
 168 extern vchar_t *alg_oakley_hmacdef_one __P((int, vchar_t *, vchar_t *));
 169
 170 extern int alg_oakley_encdef_ok __P((int));
 171 extern int alg_oakley_encdef_doi __P((int));
 172 extern int alg_oakley_encdef_keylen __P((int, int));
 173 extern int alg_oakley_encdef_blocklen __P((int));
 174 extern vchar_t *alg_oakley_encdef_decrypt __P((int, vchar_t *, vchar_t *, vchar_t *));
 175 extern vchar_t *alg_oakley_encdef_encrypt __P((int, vchar_t *, vchar_t *, vchar_t *));
 176
 177 extern int alg_ipsec_encdef_doi __P((int));
 178 extern int alg_ipsec_encdef_keylen __P((int, int));
 179
 180 extern int alg_ipsec_hmacdef_doi __P((int));
 181 extern int alg_ipsec_hmacdef_hashlen __P((int));
 182
 183 extern int alg_ipsec_compdef_doi __P((int));
 184
 185 extern int alg_oakley_dhdef_doi __P((int));
 186 extern int alg_oakley_dhdef_ok __P((int));
 187 extern struct dhgroup *alg_oakley_dhdef_group __P((int));
 188
 189 extern int alg_oakley_authdef_doi __P((int));
 190
 191 extern int default_keylen __P((int, int));
 192 extern int check_keylen __P((int, int, int));
 193 extern int algtype2doi __P((int, int));
 194 extern int algclass2doi __P((int));
 195
 196
 197 #endif /* __ALGORITHM_H__ */
 198