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
|
// SPDX-License-Identifier: GPL-2.0-or-later
/*
* AFsplitter - Anti forensic information splitter
*
* Copyright (C) 2004 Clemens Fruhwirth <clemens@endorphin.org>
* Copyright (C) 2009-2025 Red Hat, Inc. All rights reserved.
*/
#ifndef INCLUDED_CRYPTSETUP_LUKS_AF_H
#define INCLUDED_CRYPTSETUP_LUKS_AF_H
#include <stddef.h>
struct crypt_device;
struct volume_key;
/*
* AF_split operates on src and produces information split data in
* dst. src is assumed to be of the length blocksize. The data stripe
* dst points to must be capable of storing blocksize*blocknumbers.
* blocknumbers is the data multiplication factor.
*
* AF_merge does just the opposite: reproduces the information stored in
* src of the length blocksize*blocknumbers into dst of the length
* blocksize.
*
* On error, both functions return -1, 0 otherwise.
*/
int AF_split(struct crypt_device *ctx, const char *src, char *dst,
size_t blocksize, unsigned int blocknumbers, const char *hash);
int AF_merge(const char *src, char *dst, size_t blocksize,
unsigned int blocknumbers, const char *hash);
size_t AF_split_sectors(size_t blocksize, unsigned int blocknumbers);
int LUKS_encrypt_to_storage(
char *src, size_t srcLength,
const char *cipher,
const char *cipher_mode,
struct volume_key *vk,
unsigned int sector,
struct crypt_device *ctx);
int LUKS_decrypt_from_storage(
char *dst, size_t dstLength,
const char *cipher,
const char *cipher_mode,
struct volume_key *vk,
unsigned int sector,
struct crypt_device *ctx);
#endif
|
