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params.h revision 1.9 
      1 /* $NetBSD: params.h,v 1.9 2008/04/28 20:23:08 martin 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  *
     19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     29  * POSSIBILITY OF SUCH DAMAGE.
     30  */
     31 
     32 #ifndef PARAMS_H
     33 #define PARAMS_H
     34 
     35 #include "utils.h"
     36 
     37 struct keygen {
     38 	int		 kg_method;
     39 	size_t		 kg_iterations;
     40 	bits_t		*kg_salt;
     41 	bits_t		*kg_key;
     42 	struct keygen	*next;
     43 };
     44 
     45 struct params {
     46 	string_t	*algorithm;
     47 	string_t	*ivmeth;
     48 	bits_t		*key;
     49 	size_t		 keylen;
     50 	size_t		 bsize;
     51 	int		 verify_method;
     52 	struct keygen	*dep_keygen;
     53 	struct keygen	*keygen;
     54 };
     55 
     56 /* key generation methods */
     57 
     58 #define KEYGEN_UNKNOWN			0x0
     59 #define KEYGEN_RANDOMKEY		0x1
     60 #define KEYGEN_PKCS5_PBKDF2_OLD		0x2
     61 #define KEYGEN_STOREDKEY		0x3
     62 #define KEYGEN_URANDOMKEY		0x4
     63 #define KEYGEN_PKCS5_PBKDF2_SHA1	0x5
     64 
     65 /* verification methods */
     66 
     67 #define VERIFY_UNKNOWN		0x0
     68 #define VERIFY_NONE		0x1
     69 #define VERIFY_DISKLABEL	0x2
     70 #define VERIFY_FFS		0x3
     71 #define VERIFY_REENTER		0x4
     72 
     73 __BEGIN_DECLS
     74 struct params	*params_new(void);
     75 void		 params_free(struct params *);
     76 
     77 int		 params_filldefaults(struct params *);
     78 int		 params_verify(const struct params *);
     79 
     80 struct params	*params_combine(struct params *, struct params *);
     81 struct params	*params_algorithm(string_t *);
     82 struct params	*params_ivmeth(string_t *);
     83 struct params	*params_keylen(size_t);
     84 struct params	*params_bsize(size_t);
     85 struct params	*params_verify_method(string_t *);
     86 struct params	*params_keygen(struct keygen *);
     87 struct params	*params_dep_keygen(struct keygen *);
     88 
     89 struct params	*params_fget(FILE *);
     90 struct params	*params_cget(const char *);
     91 int		 params_fput(struct params *, FILE *);
     92 int		 params_cput(struct params *, const char *);
     93 
     94 struct keygen	*keygen_new(void);
     95 void		 keygen_free(struct keygen *);
     96 
     97 int		 keygen_filldefaults(struct keygen *, size_t);
     98 int		 keygen_verify(const struct keygen *);
     99 void		 keygen_addlist(struct keygen **, struct keygen *);
    100 
    101 struct keygen	*keygen_combine(struct keygen *, struct keygen *);
    102 struct keygen	*keygen_generate(int);
    103 struct keygen	*keygen_method(string_t *);
    104 struct keygen	*keygen_set_method(struct keygen *, string_t *);
    105 struct keygen	*keygen_salt(bits_t *);
    106 struct keygen	*keygen_iterations(size_t);
    107 struct keygen	*keygen_key(bits_t *);
    108 
    109 int		 keygen_fput(struct keygen *, int, FILE *);
    110 __END_DECLS
    111 
    112 #endif
    113