From 1660d4b7a65d9ad2ce0deaa19d35579ca4084ac5 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Wed, 17 Apr 2024 10:06:26 +0200 Subject: Adding upstream version 2:2.6.1. Signed-off-by: Daniel Baumann --- lib/luks1/af.h | 67 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 67 insertions(+) create mode 100644 lib/luks1/af.h (limited to 'lib/luks1/af.h') diff --git a/lib/luks1/af.h b/lib/luks1/af.h new file mode 100644 index 0000000..8a2bceb --- /dev/null +++ b/lib/luks1/af.h @@ -0,0 +1,67 @@ +/* + * AFsplitter - Anti forensic information splitter + * + * Copyright (C) 2004 Clemens Fruhwirth + * 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 + +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 -- cgit v1.2.3