public void SaveVault(string filename)
{
/// Serialize
MemoryStream stream = new MemoryStream();
BinaryFormatter serializer = new BinaryFormatter();
serializer.Serialize(stream, Entries);
byte [] serializedVault = stream.ToArray();
/// Encrypt
IEncryptionUtility encryptor =
EncryptionUtilityFactory.BuildEncryptionUtility();
byte [] encryptedVault = encryptor.EncryptBinary(
serializedVault, this.Password);
/// Save encrypted contents to file, overwritting if exists
FileStream outputFile = new FileStream(filename, FileMode.Create);
outputFile.Write(encryptedVault, 0, encryptedVault.Length);
outputFile.Close();
isUnsavedChanges = false;
}
public void OpenVault(string filename)
{
// open file
FileStream inputFile = new FileStream(filename, FileMode.Open);
byte [] encryptedVault = new byte [inputFile.Length];
inputFile.Read(encryptedVault, 0, ( int )inputFile.Length);
inputFile.Close();
IEncryptionUtility decryptor =
EncryptionUtilityFactory.BuildEncryptionUtility();
byte [] serializedVault;
try
{
/// Decrypt
serializedVault = decryptor.DecryptBinary(
encryptedVault, this.Password);
MemoryStream stream = new MemoryStream(serializedVault);
// Deserialize
BinaryFormatter deserializer = new BinaryFormatter();
this.Entries = (ObservableCollection <Entry>)deserializer.Deserialize(stream);
}
catch (CryptographicException)
{
throw new VaultOpeningException(
"Unable to decrypt vault, check your password.");
}
catch (SerializationException)
{
throw new VaultOpeningException(
"Unable to open vault, check your password, " +
"or the file may be corrupt.");
}
}
