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params.h revision 1.14 
      1 /* $NetBSD: params.h,v 1.14 2022/08/12 10:49:35 riastradh 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 	string_t	*kg_sharedid;
     47 	int		 kg_sharedalg;
     48 	size_t		 kg_sharedlen;
     49 	bits_t		*kg_sharedinfo;
     50 	struct keygen	*next;
     51 };
     52 
     53 struct params {
     54 	string_t	*algorithm;
     55 	string_t	*ivmeth;
     56 	bits_t		*key;
     57 	size_t		 keylen;
     58 	size_t		 bsize;
     59 	int		 verify_method;
     60 	struct keygen	*dep_keygen;
     61 	struct keygen	*keygen;
     62 };
     63 
     64 /* key generation methods */
     65 
     66 #define KEYGEN_UNKNOWN			0x0
     67 #define KEYGEN_RANDOMKEY		0x1
     68 #define KEYGEN_PKCS5_PBKDF2_OLD		0x2
     69 #define KEYGEN_STOREDKEY		0x3
     70 #define KEYGEN_URANDOMKEY		0x4
     71 #define KEYGEN_PKCS5_PBKDF2_SHA1	0x5
     72 #define KEYGEN_SHELL_CMD		0x6
     73 #define KEYGEN_ARGON2ID			0x7
     74 
     75 /* verification methods */
     76 
     77 #define VERIFY_UNKNOWN		0x0
     78 #define VERIFY_NONE		0x1
     79 #define VERIFY_DISKLABEL	0x2
     80 #define VERIFY_FFS		0x3
     81 #define VERIFY_REENTER		0x4
     82 #define VERIFY_MBR      	0x5
     83 #define VERIFY_GPT      	0x6
     84 
     85 /* shared key derivation methods */
     86 
     87 #define	SHARED_ALG_UNKNOWN		0x0
     88 #define	SHARED_ALG_HKDF_HMAC_SHA256	0x1
     89 
     90 __BEGIN_DECLS
     91 struct params	*params_new(void);
     92 void		 params_free(struct params *);
     93 
     94 int		 params_filldefaults(struct params *);
     95 int		 params_verify(const struct params *);
     96 
     97 struct params	*params_combine(struct params *, struct params *);
     98 struct params	*params_algorithm(string_t *);
     99 struct params	*params_ivmeth(string_t *);
    100 struct params	*params_keylen(size_t);
    101 struct params	*params_bsize(size_t);
    102 struct params	*params_verify_method(string_t *);
    103 struct params	*params_keygen(struct keygen *);
    104 struct params	*params_dep_keygen(struct keygen *);
    105 
    106 struct params	*params_fget(FILE *);
    107 struct params	*params_cget(const char *);
    108 int		 params_fput(struct params *, FILE *);
    109 int		 params_cput(struct params *, const char *);
    110 
    111 struct keygen	*keygen_new(void);
    112 void		 keygen_free(struct keygen *);
    113 
    114 int		 keygen_filldefaults(struct keygen *, size_t);
    115 void		 keygen_stripstored(struct keygen **);
    116 int		 keygen_makeshared(struct keygen *);
    117 int		 keygen_tweakshared(struct keygen *);
    118 int		 keygen_verify(const struct keygen *);
    119 void		 keygen_addlist(struct keygen **, struct keygen *);
    120 
    121 struct keygen	*keygen_combine(struct keygen *, struct keygen *);
    122 struct keygen	*keygen_generate(int);
    123 struct keygen	*keygen_method(string_t *);
    124 struct keygen	*keygen_set_method(struct keygen *, string_t *);
    125 struct keygen	*keygen_salt(bits_t *);
    126 struct keygen	*keygen_iterations(size_t);
    127 struct keygen	*keygen_memory(size_t);
    128 struct keygen	*keygen_parallelism(size_t);
    129 struct keygen	*keygen_version(size_t);
    130 struct keygen	*keygen_key(bits_t *);
    131 struct keygen	*keygen_cmd(string_t *);
    132 struct keygen	*keygen_shared(string_t *, string_t *, bits_t *);
    133 
    134 int		 keygen_fput(struct keygen *, int, FILE *);
    135 __END_DECLS
    136 
    137 #endif
    138