ipsec-tools/racoon/algorithm.h

   1 /* $Id: algorithm.h,v 1.8 2004/11/18 15:14:44 ludvigm 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 #include "Algorithm_types.h"
  36
  37
  38 struct hmac_algorithm {
  39         char *name;
  40         int type;
  41         int doi;
  42         caddr_t (*init) (vchar_t *);
  43         void (*update) (caddr_t, vchar_t *);
  44         vchar_t *(*final) (caddr_t);
  45         int (*hashlen) (void);
  46         vchar_t *(*one) (vchar_t *, vchar_t *);
  47 };
  48
  49 struct hash_algorithm {
  50         char *name;
  51         int type;
  52         int doi;
  53         caddr_t (*init) (void);
  54         void (*update) (caddr_t, vchar_t *);
  55         vchar_t *(*final) (caddr_t);
  56         int (*hashlen) (void);
  57         vchar_t *(*one) (vchar_t *);
  58 };
  59
  60 struct enc_algorithm {
  61         char *name;
  62         int type;
  63         int doi;
  64         int blocklen;
  65         vchar_t *(*encrypt) (vchar_t *, vchar_t *, vchar_t *);
  66         vchar_t *(*decrypt) (vchar_t *, vchar_t *, vchar_t *);
  67         int (*weakkey) (vchar_t *);
  68         int (*keylen) (int);
  69 };
  70
  71 /* dh group */
  72 struct dh_algorithm {
  73         char *name;
  74         int type;
  75         int doi;
  76         struct dhgroup *dhgroup;
  77 };
  78
  79 /* ipcomp, auth meth, dh group */
  80 struct misc_algorithm {
  81         char *name;
  82         int type;
  83         int doi;
  84 };
  85
  86 extern int alg_oakley_hashdef_ok (int);
  87 extern int alg_oakley_hashdef_doi (int);
  88 extern int alg_oakley_hashdef_hashlen (int);
  89 extern vchar_t *alg_oakley_hashdef_one (int, vchar_t *);
  90
  91 extern int alg_oakley_hmacdef_doi (int);
  92 extern vchar_t *alg_oakley_hmacdef_one (int, vchar_t *, vchar_t *);
  93
  94 extern int alg_oakley_encdef_ok (int);
  95 extern int alg_oakley_encdef_doi (int);
  96 extern int alg_oakley_encdef_keylen (int, int);
  97 extern int alg_oakley_encdef_blocklen (int);
  98 extern vchar_t *alg_oakley_encdef_decrypt (int, vchar_t *, vchar_t *, vchar_t *);
  99 extern vchar_t *alg_oakley_encdef_encrypt (int, vchar_t *, vchar_t *, vchar_t *);
 100
 101 extern int alg_ipsec_encdef_doi (int);
 102 extern int alg_ipsec_encdef_keylen (int, int);
 103
 104 extern int alg_ipsec_hmacdef_doi (int);
 105 extern int alg_ipsec_hmacdef_hashlen (int);
 106
 107 extern int alg_ipsec_compdef_doi (int);
 108
 109 extern int alg_oakley_dhdef_doi (int);
 110 extern int alg_oakley_dhdef_ok (int);
 111 extern struct dhgroup *alg_oakley_dhdef_group (int);
 112
 113 extern int alg_oakley_authdef_doi (int);
 114
 115 extern int default_keylen (int, int);
 116 extern int check_keylen (int, int, int);
 117 extern int algtype2doi (int, int);
 118 extern int algclass2doi (int);
 119
 120 extern const char *alg_oakley_encdef_name (int);
 121 extern const char *alg_oakley_hashdef_name (int);
 122 extern const char *alg_oakley_dhdef_name (int);
 123 extern const char *alg_oakley_authdef_name (int);
 124
 125 #endif /* _ALGORITHM_H */