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 38struct 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 49struct 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 60struct 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 */ 72struct dh_algorithm { 73 char *name; 74 int type; 75 int doi; 76 struct dhgroup *dhgroup; 77}; 78 79/* ipcomp, auth meth, dh group */ 80struct misc_algorithm { 81 char *name; 82 int type; 83 int doi; 84}; 85 86extern int alg_oakley_hashdef_ok (int); 87extern int alg_oakley_hashdef_doi (int); 88extern int alg_oakley_hashdef_hashlen (int); 89extern vchar_t *alg_oakley_hashdef_one (int, vchar_t *); 90 91extern int alg_oakley_hmacdef_doi (int); 92extern vchar_t *alg_oakley_hmacdef_one (int, vchar_t *, vchar_t *); 93 94extern int alg_oakley_encdef_ok (int); 95extern int alg_oakley_encdef_doi (int); 96extern int alg_oakley_encdef_keylen (int, int); 97extern int alg_oakley_encdef_blocklen (int); 98extern vchar_t *alg_oakley_encdef_decrypt (int, vchar_t *, vchar_t *, vchar_t *); 99extern vchar_t *alg_oakley_encdef_encrypt (int, vchar_t *, vchar_t *, vchar_t *); 100 101extern int alg_ipsec_encdef_doi (int); 102extern int alg_ipsec_encdef_keylen (int, int); 103 104extern int alg_ipsec_hmacdef_doi (int); 105extern int alg_ipsec_hmacdef_hashlen (int); 106 107extern int alg_ipsec_compdef_doi (int); 108 109extern int alg_oakley_dhdef_doi (int); 110extern int alg_oakley_dhdef_ok (int); 111extern struct dhgroup *alg_oakley_dhdef_group (int); 112 113extern int alg_oakley_authdef_doi (int); 114 115extern int default_keylen (int, int); 116extern int check_keylen (int, int, int); 117extern int algtype2doi (int, int); 118extern int algclass2doi (int); 119 120extern const char *alg_oakley_encdef_name (int); 121extern const char *alg_oakley_hashdef_name (int); 122extern const char *alg_oakley_dhdef_name (int); 123extern const char *alg_oakley_authdef_name (int); 124 125 126#endif /* _ALGORITHM_H */ 127