1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
|
/*
* utils_crypt - cipher utilities for cryptsetup
*
* Copyright (C) 2004-2007, Clemens Fruhwirth <clemens@endorphin.org>
* Copyright (C) 2009-2012, Red Hat, Inc. All rights reserved.
* Copyright (C) 2009-2012, Milan Broz
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifndef _UTILS_CRYPT_H
#define _UTILS_CRYPT_H
#include <unistd.h>
#define MAX_CIPHER_LEN 32
#define MAX_CIPHER_LEN_STR "31"
#define MAX_KEYFILES 32
struct crypt_device;
int crypt_parse_name_and_mode(const char *s, char *cipher,
int *key_nums, char *cipher_mode);
int crypt_get_key(const char *prompt,
char **key, size_t *key_size,
size_t keyfile_offset, size_t keyfile_size_max,
const char *key_file,
int timeout, int verify,
struct crypt_device *cd);
void *crypt_safe_alloc(size_t size);
void crypt_safe_free(void *data);
void *crypt_safe_realloc(void *data, size_t size);
void crypt_memzero(void *s, size_t n);
ssize_t crypt_hex_to_bytes(const char *hex, char **result, int safe_alloc);
int crypt_string_to_size(struct crypt_device *cd, const char *s, uint64_t *size);
#endif /* _UTILS_CRYPT_H */
|
