racoon.tproj/algorithm.h

   1 /*      $KAME: algorithm.h,v 1.19 2001/08/16 06:17:12 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 /* algorithm class */
  33 enum {
  34         algclass_ipsec_enc,
  35         algclass_ipsec_auth,
  36         algclass_ipsec_comp,
  37         algclass_isakmp_enc,
  38         algclass_isakmp_hash,
  39         algclass_isakmp_dh,
  40         algclass_isakmp_ameth,  /* authentication method. */
  41 #define MAXALGCLASS     7
  42 };
  43
  44 #define ALG_DEFAULT_KEYLEN      64
  45
  46 #define ALGTYPE_NOTHING         0
  47
  48 /* algorithm type */
  49 enum {
  50         algtype_nothing = 0,
  51
  52         /* enc */
  53         algtype_des_iv64,
  54         algtype_des,
  55         algtype_3des,
  56         algtype_rc5,
  57         algtype_idea,
  58         algtype_cast128,
  59         algtype_blowfish,
  60         algtype_3idea,
  61         algtype_des_iv32,
  62         algtype_rc4,
  63         algtype_null_enc,
  64         algtype_rijndael,
  65         algtype_twofish,
  66
  67         /* ipsec auth */
  68         algtype_hmac_md5,
  69         algtype_hmac_sha1,
  70         algtype_des_mac,
  71         algtype_kpdk,
  72         algtype_non_auth,
  73         algtype_hmac_sha2_256,
  74         algtype_hmac_sha2_384,
  75         algtype_hmac_sha2_512,
  76
  77         /* ipcomp */
  78         algtype_oui,
  79         algtype_deflate,
  80         algtype_lzs,
  81
  82         /* hash */
  83         algtype_md5,
  84         algtype_sha1,
  85         algtype_tiger,
  86         algtype_sha2_256,
  87         algtype_sha2_384,
  88         algtype_sha2_512,
  89
  90         /* dh_group */
  91         algtype_modp768,
  92         algtype_modp1024,
  93         algtype_ec2n155,
  94         algtype_ec2n185,
  95         algtype_modp1536,
  96         algtype_modp2048,
  97         algtype_modp3072,
  98         algtype_modp4096,
  99         algtype_modp6144,
 100         algtype_modp8192,
 101
 102         /* authentication method. */
 103         algtype_psk,
 104         algtype_dsssig,
 105         algtype_rsasig,
 106         algtype_rsaenc,
 107         algtype_rsarev,
 108         algtype_gssapikrb
 109 };
 110
 111 struct hmac_algorithm {
 112         char *name;
 113         int type;
 114         int doi;
 115         caddr_t (*init) __P((vchar_t *));
 116         void (*update) __P((caddr_t, vchar_t *));
 117         vchar_t *(*final) __P((caddr_t));
 118         int (*hashlen) __P((void));
 119         vchar_t *(*one) __P((vchar_t *, vchar_t *));
 120 };
 121
 122 struct hash_algorithm {
 123         char *name;
 124         int type;
 125         int doi;
 126         caddr_t (*init) __P((void));
 127         void (*update) __P((caddr_t, vchar_t *));
 128         vchar_t *(*final) __P((caddr_t));
 129         int (*hashlen) __P((void));
 130         vchar_t *(*one) __P((vchar_t *));
 131 };
 132
 133 struct enc_algorithm {
 134         char *name;
 135         int type;
 136         int doi;
 137         int blocklen;
 138         vchar_t *(*encrypt) __P((vchar_t *, vchar_t *, vchar_t *));
 139         vchar_t *(*decrypt) __P((vchar_t *, vchar_t *, vchar_t *));
 140         int (*weakkey) __P((vchar_t *));
 141         int (*keylen) __P((int));
 142 };
 143
 144 /* dh group */
 145 struct dh_algorithm {
 146         char *name;
 147         int type;
 148         int doi;
 149         struct dhgroup *dhgroup;
 150 };
 151
 152 /* ipcomp, auth meth, dh group */
 153 struct misc_algorithm {
 154         char *name;
 155         int type;
 156         int doi;
 157 };
 158
 159 extern int alg_oakley_hashdef_ok __P((int));
 160 extern int alg_oakley_hashdef_doi __P((int));
 161 extern int alg_oakley_hashdef_hashlen __P((int));
 162 extern vchar_t *alg_oakley_hashdef_one __P((int, vchar_t *));
 163
 164 extern int alg_oakley_hmacdef_doi __P((int));
 165 extern vchar_t *alg_oakley_hmacdef_one __P((int, vchar_t *, vchar_t *));
 166
 167 extern int alg_oakley_encdef_ok __P((int));
 168 extern int alg_oakley_encdef_doi __P((int));
 169 extern int alg_oakley_encdef_keylen __P((int, int));
 170 extern int alg_oakley_encdef_blocklen __P((int));
 171 extern vchar_t *alg_oakley_encdef_decrypt __P((int, vchar_t *, vchar_t *, vchar_t *));
 172 extern vchar_t *alg_oakley_encdef_encrypt __P((int, vchar_t *, vchar_t *, vchar_t *));
 173
 174 extern int alg_ipsec_encdef_doi __P((int));
 175 extern int alg_ipsec_encdef_keylen __P((int, int));
 176
 177 extern int alg_ipsec_hmacdef_doi __P((int));
 178 extern int alg_ipsec_hmacdef_hashlen __P((int));
 179
 180 extern int alg_ipsec_compdef_doi __P((int));
 181
 182 extern int alg_oakley_dhdef_doi __P((int));
 183 extern int alg_oakley_dhdef_ok __P((int));
 184 extern struct dhgroup *alg_oakley_dhdef_group __P((int));
 185
 186 extern int alg_oakley_authdef_doi __P((int));
 187
 188 extern int default_keylen __P((int, int));
 189 extern int check_keylen __P((int, int, int));
 190 extern int algtype2doi __P((int, int));
 191 extern int algclass2doi __P((int));