public async static Task<PwDatabase> LoadDatabase(IStorageFile database, string password, string keyPath)
{
var userKeys = new List<IUserKey>();
var hasher = new SHA256HasherRT();
if (!string.IsNullOrEmpty(password))
{
userKeys.Add(await KcpPassword.Create(password, hasher));
}
if (!string.IsNullOrEmpty(keyPath))
{
var keyfile = await Helpers.Helpers.GetKeyFile(keyPath);
userKeys.Add(await KcpKeyFile.Create(new WinRTFile(keyfile), hasher));
}
var readerFactory = new KdbReaderFactory(
new WinRTCrypto(),
new MultiThreadedBouncyCastleCrypto(),
new SHA256HasherRT(),
new GZipFactoryRT());
var file = await FileIO.ReadBufferAsync(database);
MemoryStream kdbDataReader = new MemoryStream(file.AsBytes());
return await readerFactory.LoadAsync(kdbDataReader, userKeys);
}
public async Task LoadPwDatabase(IStorageFile pwDatabaseFile, IList<IUserKey> userKeys, IProgress<double> percentComplete)
{
StorageFile = pwDatabaseFile;
var factory = new KdbReaderFactory(_encryptionEngine,
_keyTransformer,
_hasher,
_gzipStreamFactory);
var file = await pwDatabaseFile.OpenAsync(FileAccessMode.Read);
Stream kdbDataReader = file.AsStream();
this.PwDatabase = await factory.LoadAsync(kdbDataReader, userKeys, percentComplete);
}
public async Task WriteAllHeaders()
{
var database = (await Scenarios.LoadDatabase(PasswordDatabasePath, PasswordDatabasePassword, null));
var kdb4File = new Kdb4File(database);
kdb4File.pbMasterSeed = CryptographicBuffer.GenerateRandom(32).AsBytes();
kdb4File.pbTransformSeed = CryptographicBuffer.GenerateRandom(32).AsBytes();
kdb4File.pbEncryptionIV = CryptographicBuffer.GenerateRandom(16).AsBytes();
kdb4File.pbProtectedStreamKey = CryptographicBuffer.GenerateRandom(32).AsBytes();
kdb4File.pbStreamStartBytes = CryptographicBuffer.GenerateRandom(32).AsBytes();
hw.WriteHeaders(dataWriter, kdb4File);
var stream = dataWriter.BaseStream;
stream.Position = 0;
var factory = new KdbReaderFactory(
new WinRTCrypto(),
new MultiThreadedBouncyCastleCrypto(),
new SHA256HasherRT(),
new GZipFactoryRT());
var headerinfo = factory.ReadVersionInfo(stream);
}
