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/* $NetBSD: params.h,v 1.14 2022/08/12 10:49:35 riastradh Exp $ */
/*-
* Copyright (c) 2002, 2003 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Roland C. Dowdeswell.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef PARAMS_H
#define PARAMS_H
#include "utils.h"
struct keygen {
int kg_method;
size_t kg_iterations;
size_t kg_memory; /* only used for Argon2 */
size_t kg_parallelism; /* only used for Argon2 */
size_t kg_version; /* only used for Argon2 */
bits_t *kg_salt;
bits_t *kg_key;
string_t *kg_cmd;
string_t *kg_sharedid;
int kg_sharedalg;
size_t kg_sharedlen;
bits_t *kg_sharedinfo;
struct keygen *next;
};
struct params {
string_t *algorithm;
string_t *ivmeth;
bits_t *key;
size_t keylen;
size_t bsize;
int verify_method;
struct keygen *dep_keygen;
struct keygen *keygen;
};
/* key generation methods */
#define KEYGEN_UNKNOWN 0x0
#define KEYGEN_RANDOMKEY 0x1
#define KEYGEN_PKCS5_PBKDF2_OLD 0x2
#define KEYGEN_STOREDKEY 0x3
#define KEYGEN_URANDOMKEY 0x4
#define KEYGEN_PKCS5_PBKDF2_SHA1 0x5
#define KEYGEN_SHELL_CMD 0x6
#define KEYGEN_ARGON2ID 0x7
/* verification methods */
#define VERIFY_UNKNOWN 0x0
#define VERIFY_NONE 0x1
#define VERIFY_DISKLABEL 0x2
#define VERIFY_FFS 0x3
#define VERIFY_REENTER 0x4
#define VERIFY_MBR 0x5
#define VERIFY_GPT 0x6
/* shared key derivation methods */
#define SHARED_ALG_UNKNOWN 0x0
#define SHARED_ALG_HKDF_HMAC_SHA256 0x1
__BEGIN_DECLS
struct params *params_new(void);
void params_free(struct params *);
int params_filldefaults(struct params *);
int params_verify(const struct params *);
struct params *params_combine(struct params *, struct params *);
struct params *params_algorithm(string_t *);
struct params *params_ivmeth(string_t *);
struct params *params_keylen(size_t);
struct params *params_bsize(size_t);
struct params *params_verify_method(string_t *);
struct params *params_keygen(struct keygen *);
struct params *params_dep_keygen(struct keygen *);
struct params *params_fget(FILE *);
struct params *params_cget(const char *);
int params_fput(struct params *, FILE *);
int params_cput(struct params *, const char *);
struct keygen *keygen_new(void);
void keygen_free(struct keygen *);
int keygen_filldefaults(struct keygen *, size_t);
void keygen_stripstored(struct keygen **);
int keygen_makeshared(struct keygen *);
int keygen_tweakshared(struct keygen *);
int keygen_verify(const struct keygen *);
void keygen_addlist(struct keygen **, struct keygen *);
struct keygen *keygen_combine(struct keygen *, struct keygen *);
struct keygen *keygen_generate(int);
struct keygen *keygen_method(string_t *);
struct keygen *keygen_set_method(struct keygen *, string_t *);
struct keygen *keygen_salt(bits_t *);
struct keygen *keygen_iterations(size_t);
struct keygen *keygen_memory(size_t);
struct keygen *keygen_parallelism(size_t);
struct keygen *keygen_version(size_t);
struct keygen *keygen_key(bits_t *);
struct keygen *keygen_cmd(string_t *);
struct keygen *keygen_shared(string_t *, string_t *, bits_t *);
int keygen_fput(struct keygen *, int, FILE *);
__END_DECLS
#endif
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