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params.h revision 1.8 
      1 /* $NetBSD: params.h,v 1.8 2007/11/06 02:50:49 christos Exp $ */
      2 
      3 /*-
      4  * Copyright (c) 2002, 2003 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * This code is derived from software contributed to The NetBSD Foundation
      8  * by Roland C. Dowdeswell.
      9  *
     10  * Redistribution and use in source and binary forms, with or without
     11  * modification, are permitted provided that the following conditions
     12  * are met:
     13  * 1. Redistributions of source code must retain the above copyright
     14  *    notice, this list of conditions and the following disclaimer.
     15  * 2. Redistributions in binary form must reproduce the above copyright
     16  *    notice, this list of conditions and the following disclaimer in the
     17  *    documentation and/or other materials provided with the distribution.
     18  * 3. All advertising materials mentioning features or use of this software
     19  *    must display the following acknowledgement:
     20  *        This product includes software developed by the NetBSD
     21  *        Foundation, Inc. and its contributors.
     22  * 4. Neither the name of The NetBSD Foundation nor the names of its
     23  *    contributors may be used to endorse or promote products derived
     24  *    from this software without specific prior written permission.
     25  *
     26  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     27  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     28  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     29  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     30  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     31  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     32  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     33  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     34  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     35  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     36  * POSSIBILITY OF SUCH DAMAGE.
     37  */
     38 
     39 #ifndef PARAMS_H
     40 #define PARAMS_H
     41 
     42 #include "utils.h"
     43 
     44 struct keygen {
     45 	int		 kg_method;
     46 	size_t		 kg_iterations;
     47 	bits_t		*kg_salt;
     48 	bits_t		*kg_key;
     49 	struct keygen	*next;
     50 };
     51 
     52 struct params {
     53 	string_t	*algorithm;
     54 	string_t	*ivmeth;
     55 	bits_t		*key;
     56 	size_t		 keylen;
     57 	size_t		 bsize;
     58 	int		 verify_method;
     59 	struct keygen	*dep_keygen;
     60 	struct keygen	*keygen;
     61 };
     62 
     63 /* key generation methods */
     64 
     65 #define KEYGEN_UNKNOWN			0x0
     66 #define KEYGEN_RANDOMKEY		0x1
     67 #define KEYGEN_PKCS5_PBKDF2_OLD		0x2
     68 #define KEYGEN_STOREDKEY		0x3
     69 #define KEYGEN_URANDOMKEY		0x4
     70 #define KEYGEN_PKCS5_PBKDF2_SHA1	0x5
     71 
     72 /* verification methods */
     73 
     74 #define VERIFY_UNKNOWN		0x0
     75 #define VERIFY_NONE		0x1
     76 #define VERIFY_DISKLABEL	0x2
     77 #define VERIFY_FFS		0x3
     78 #define VERIFY_REENTER		0x4
     79 
     80 __BEGIN_DECLS
     81 struct params	*params_new(void);
     82 void		 params_free(struct params *);
     83 
     84 int		 params_filldefaults(struct params *);
     85 int		 params_verify(const struct params *);
     86 
     87 struct params	*params_combine(struct params *, struct params *);
     88 struct params	*params_algorithm(string_t *);
     89 struct params	*params_ivmeth(string_t *);
     90 struct params	*params_keylen(size_t);
     91 struct params	*params_bsize(size_t);
     92 struct params	*params_verify_method(string_t *);
     93 struct params	*params_keygen(struct keygen *);
     94 struct params	*params_dep_keygen(struct keygen *);
     95 
     96 struct params	*params_fget(FILE *);
     97 struct params	*params_cget(const char *);
     98 int		 params_fput(struct params *, FILE *);
     99 int		 params_cput(struct params *, const char *);
    100 
    101 struct keygen	*keygen_new(void);
    102 void		 keygen_free(struct keygen *);
    103 
    104 int		 keygen_filldefaults(struct keygen *, size_t);
    105 int		 keygen_verify(const struct keygen *);
    106 void		 keygen_addlist(struct keygen **, struct keygen *);
    107 
    108 struct keygen	*keygen_combine(struct keygen *, struct keygen *);
    109 struct keygen	*keygen_generate(int);
    110 struct keygen	*keygen_method(string_t *);
    111 struct keygen	*keygen_set_method(struct keygen *, string_t *);
    112 struct keygen	*keygen_salt(bits_t *);
    113 struct keygen	*keygen_iterations(size_t);
    114 struct keygen	*keygen_key(bits_t *);
    115 
    116 int		 keygen_fput(struct keygen *, int, FILE *);
    117 __END_DECLS
    118 
    119 #endif
    120