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params.h revision 1.2 
      1 /* $NetBSD: params.h,v 1.2 2002/10/12 21:02:18 elric Exp $ */
      2 
      3 /*-
      4  * Copyright (c) 2002 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 struct params {
     40 	char		*alg;
     41 	char		*ivmeth;
     42 	u_int8_t	*key;
     43 	int		 keylen;
     44 	int		 bsize;
     45 	int		 keygen_method;
     46 	u_int8_t	*keygen_salt;
     47 	int		 keygen_saltlen;
     48 	int		 keygen_iterations;
     49 	int		 verify_method;
     50 	u_int8_t	*key_hash;
     51 	int		 key_hashlen;
     52 	u_int8_t	*xor_key;
     53 	int		 xor_keylen;
     54 };
     55 
     56 /* key generation methods */
     57 
     58 #define KEYGEN_UNKNOWN		0x0
     59 #define KEYGEN_RANDOMKEY	0x1
     60 #define KEYGEN_PKCS5_PBKDF2	0x2
     61 
     62 /* verification methods */
     63 
     64 #define VERIFY_UNKNOWN		0x0
     65 #define VERIFY_NONE		0x1
     66 #define VERIFY_DISKLABEL	0x2
     67 
     68 void	params_init(struct params *);
     69 void	params_free(struct params *);
     70 
     71 int	params_filldefaults(struct params *);
     72 int	params_changed(const struct params *);
     73 
     74 int	params_fget(struct params *, FILE *);
     75 int	params_fput(struct params *, FILE *);
     76 
     77 int	params_cget(struct params *, const char *);
     78 
     79 
     80 /* interface to the structure */
     81 
     82 int	params_setalgorithm(struct params *, const char *);
     83 int	params_setivmeth(struct params *, const char *);
     84 int	params_setkeylen(struct params *, int);
     85 int	params_setbsize(struct params *, int);
     86 int	params_setkeygen_method(struct params *, int);
     87 int	params_setkeygen_method_str(struct params *, const char *);
     88 int	params_setkeygen_salt(struct params *, const char *, int);
     89 int	params_setkeygen_salt_b64(struct params *, const char *);
     90 int	params_setverify_method(struct params *, int);
     91 int	params_setverify_method_str(struct params *, const char *);
     92 int	params_setxor_key(struct params *, const char *, int);
     93 int	params_setxor_key_b64(struct params *, const char *);
     94 int	params_setkey_hash(struct params *, const char *, int);
     95 int	params_setkey_hash_b64(struct params *, const char *);
     96