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params.h revision 1.12 
      1 /* $NetBSD: params.h,v 1.12 2021/11/22 14:34:35 nia 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 	size_t		 kg_memory;		/* only used for Argon2 */
     41 	size_t		 kg_parallelism;	/* only used for Argon2 */
     42 	size_t		 kg_version;		/* only used for Argon2 */
     43 	bits_t		*kg_salt;
     44 	bits_t		*kg_key;
     45 	string_t	*kg_cmd;
     46 	struct keygen	*next;
     47 };
     48 
     49 struct params {
     50 	string_t	*algorithm;
     51 	string_t	*ivmeth;
     52 	bits_t		*key;
     53 	size_t		 keylen;
     54 	size_t		 bsize;
     55 	int		 verify_method;
     56 	struct keygen	*dep_keygen;
     57 	struct keygen	*keygen;
     58 };
     59 
     60 /* key generation methods */
     61 
     62 #define KEYGEN_UNKNOWN			0x0
     63 #define KEYGEN_RANDOMKEY		0x1
     64 #define KEYGEN_PKCS5_PBKDF2_OLD		0x2
     65 #define KEYGEN_STOREDKEY		0x3
     66 #define KEYGEN_URANDOMKEY		0x4
     67 #define KEYGEN_PKCS5_PBKDF2_SHA1	0x5
     68 #define KEYGEN_SHELL_CMD		0x6
     69 #define KEYGEN_ARGON2ID			0x7
     70 
     71 /* verification methods */
     72 
     73 #define VERIFY_UNKNOWN		0x0
     74 #define VERIFY_NONE		0x1
     75 #define VERIFY_DISKLABEL	0x2
     76 #define VERIFY_FFS		0x3
     77 #define VERIFY_REENTER		0x4
     78 #define VERIFY_MBR      	0x5
     79 #define VERIFY_GPT      	0x6
     80 
     81 __BEGIN_DECLS
     82 struct params	*params_new(void);
     83 void		 params_free(struct params *);
     84 
     85 int		 params_filldefaults(struct params *);
     86 int		 params_verify(const struct params *);
     87 
     88 struct params	*params_combine(struct params *, struct params *);
     89 struct params	*params_algorithm(string_t *);
     90 struct params	*params_ivmeth(string_t *);
     91 struct params	*params_keylen(size_t);
     92 struct params	*params_bsize(size_t);
     93 struct params	*params_verify_method(string_t *);
     94 struct params	*params_keygen(struct keygen *);
     95 struct params	*params_dep_keygen(struct keygen *);
     96 
     97 struct params	*params_fget(FILE *);
     98 struct params	*params_cget(const char *);
     99 int		 params_fput(struct params *, FILE *);
    100 int		 params_cput(struct params *, const char *);
    101 
    102 struct keygen	*keygen_new(void);
    103 void		 keygen_free(struct keygen *);
    104 
    105 int		 keygen_filldefaults(struct keygen *, size_t);
    106 int		 keygen_verify(const struct keygen *);
    107 void		 keygen_addlist(struct keygen **, struct keygen *);
    108 
    109 struct keygen	*keygen_combine(struct keygen *, struct keygen *);
    110 struct keygen	*keygen_generate(int);
    111 struct keygen	*keygen_method(string_t *);
    112 struct keygen	*keygen_set_method(struct keygen *, string_t *);
    113 struct keygen	*keygen_salt(bits_t *);
    114 struct keygen	*keygen_iterations(size_t);
    115 struct keygen	*keygen_memory(size_t);
    116 struct keygen	*keygen_parallelism(size_t);
    117 struct keygen	*keygen_version(size_t);
    118 struct keygen	*keygen_key(bits_t *);
    119 struct keygen	*keygen_cmd(string_t *);
    120 
    121 int		 keygen_fput(struct keygen *, int, FILE *);
    122 __END_DECLS
    123 
    124 #endif
    125