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