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PhotoRec: recover Synology AES key files

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This commit is contained in:
Christophe Grenier 2015-08-01 17:46:31 +02:00
parent 6f1e2055c2
commit bf01cca6d0
3 changed files with 60 additions and 0 deletions
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1
src/Makefile.am
View file

@ -162,6 +162,7 @@ file_C = filegen.c \
file_jsonlz4.c \
file_kdb.c \
file_kdbx.c \
file_key.c \
file_ldf.c \
file_lit.c \
file_lnk.c \

57
src/file_key.c Normal file
View file

@ -0,0 +1,57 @@
/*
File: file_key.c
Copyright (C) 2015 Christophe GRENIER <grenier@cgsecurity.org>
This software 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 the Free Software Foundation, Inc., 51
Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#ifdef HAVE_STRING_H
#include <string.h>
#endif
#include <stdio.h>
#include "types.h"
#include "filegen.h"
static void register_header_check_key(file_stat_t *file_stat);
const file_hint_t file_hint_key= {
.extension="key",
.description="Synology AES key",
.max_filesize=PHOTOREC_MAX_FILE_SIZE,
.recover=1,
.enable_by_default=1,
.register_header_check=&register_header_check_key
};
static int header_check_key(const unsigned char *buffer, const unsigned int buffer_size, const unsigned int safe_header_only, const file_recovery_t *file_recovery, file_recovery_t *file_recovery_new)
{
reset_file_recovery(file_recovery_new);
file_recovery_new->extension=file_hint_key.extension;
file_recovery_new->calculated_file_size=32;
file_recovery_new->data_check=&data_check_size;
file_recovery_new->file_check=&file_check_size;
return 1;
}
static void register_header_check_key(file_stat_t *file_stat)
{
register_header_check(0, "323382b3c4f1c6d2", 16, &header_check_key, file_stat);
}

2
src/file_list.c
View file

@ -164,6 +164,7 @@ extern const file_hint_t file_hint_jpg;
extern const file_hint_t file_hint_jsonlz4;
extern const file_hint_t file_hint_kdb;
extern const file_hint_t file_hint_kdbx;
extern const file_hint_t file_hint_key;
extern const file_hint_t file_hint_ldf;
extern const file_hint_t file_hint_lit;
extern const file_hint_t file_hint_logic;
@ -455,6 +456,7 @@ file_enable_t list_file_enable[]=
{ .enable=0, .file_hint=&file_hint_jsonlz4 },
{ .enable=0, .file_hint=&file_hint_kdb },
{ .enable=0, .file_hint=&file_hint_kdbx },
{ .enable=0, .file_hint=&file_hint_key },
{ .enable=0, .file_hint=&file_hint_ldf },
{ .enable=0, .file_hint=&file_hint_lit },
{ .enable=0, .file_hint=&file_hint_logic},