68 lines
2.3 KiB
C
68 lines
2.3 KiB
C
/*
|
|
* AFsplitter - Anti forensic information splitter
|
|
*
|
|
* Copyright (C) 2004 Clemens Fruhwirth <clemens@endorphin.org>
|
|
* Copyright (C) 2009-2023 Red Hat, Inc. All rights reserved.
|
|
*
|
|
* AFsplitter diffuses information over a large stripe of data,
|
|
* therefore supporting secure data destruction.
|
|
*
|
|
* 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 Library 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 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
|