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