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 static IEncryptionUtility BuildEncryptionUtility()
{
Type t = Type.GetType(GetEncryptionUtilityClass());
IEncryptionUtility util = ( IEncryptionUtility )
Activator.CreateInstance(t);
return(util);
}
public PackageArgumentsService(
IEncryptionUtility encryptionUtility,
IFileSystem fileSystem,
IChocolateyConfigurationProvider chocolateyConfigurationProvider,
IDialogService dialogService)
{
_encryptionUtility = encryptionUtility;
_fileSystem = fileSystem;
_chocolateyConfigurationProvider = chocolateyConfigurationProvider;
_dialogService = dialogService;
}
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.");
}
}
/// <summary>
/// ''' Creates an instance with a specified key.
/// '''
/// </summary>
/// '''
/// <param name="key">The key used for cryptographic functions, required 16 chars in length.</param>
public SecureQueryString(string key)
{
_mEncryptionUtil = new EncryptionUtility(key);
}