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
|
// Copyright (c) 2012-2014 Konstantin Isakov <ikm@zbackup.org> and ZBackup contributors, see CONTRIBUTORS
// Part of ZBackup. Licensed under GNU GPLv2 or later + OpenSSL, see LICENSE
#include "backup_file.hh"
#include "encrypted_file.hh"
#include "encryption.hh"
#include "message.hh"
namespace BackupFile {
enum
{
FileFormatVersion = 1
};
void save( string const & fileName, EncryptionKey const & encryptionKey,
BackupInfo const & backupInfo )
{
EncryptedFile::OutputStream os( fileName.c_str(), encryptionKey,
Encryption::ZeroIv );
os.writeRandomIv();
FileHeader header;
header.set_version( FileFormatVersion );
Message::serialize( header, os );
Message::serialize( backupInfo, os );
os.writeAdler32();
}
void load( string const & fileName, EncryptionKey const & encryptionKey,
BackupInfo & backupInfo )
{
EncryptedFile::InputStream is( fileName.c_str(), encryptionKey,
Encryption::ZeroIv );
is.consumeRandomIv();
FileHeader header;
Message::parse( header, is );
if ( header.version() != FileFormatVersion )
throw exUnsupportedVersion();
Message::parse( backupInfo, is );
is.checkAdler32();
}
}
|
