/// <summary>
/// Write this authenticator into an XmlWriter
/// </summary>
/// <param name="writer">XmlWriter to receive authenticator</param>
public void WriteToWriter(XmlWriter writer)
{
writer.WriteStartElement("authenticator");
writer.WriteAttributeString("type", this.GetType().FullName);
//
writer.WriteStartElement("servertimediff");
writer.WriteString(ServerTimeDiff.ToString());
writer.WriteEndElement();
//
writer.WriteStartElement("secretdata");
string data = SecretData;
StringBuilder encryptionTypes = new StringBuilder();
if ((PasswordType & PasswordTypes.Explicit) != 0)
{
string encrypted = Encrypt(data, Password);
// test the encryption
string decrypted = Decrypt(encrypted, Password, true);
if (string.Compare(data, decrypted) != 0)
{
throw new InvalidEncryptionException(data, Password, encrypted, decrypted);
}
data = encrypted;
encryptionTypes.Append("y");
}
if ((PasswordType & PasswordTypes.User) != 0)
{
// we encrypt the data using the Windows User account key
byte[] plain = StringToByteArray(data);
byte[] cipher = ProtectedData.Protect(plain, null, DataProtectionScope.CurrentUser);
data = ByteArrayToString(cipher);
encryptionTypes.Append("u");
}
if ((PasswordType & PasswordTypes.Machine) != 0)
{
// we encrypt the data using the Local Machine account key
byte[] plain = StringToByteArray(data);
byte[] cipher = ProtectedData.Protect(plain, null, DataProtectionScope.LocalMachine);
data = ByteArrayToString(cipher);
encryptionTypes.Append("m");
}
writer.WriteAttributeString("encrypted", encryptionTypes.ToString());
writer.WriteString(data);
writer.WriteEndElement();
//
if (RestoreCodeVerified == true)
{
writer.WriteStartElement("restorecodeverified");
writer.WriteString(bool.TrueString.ToLower());
writer.WriteEndElement();
}
//
writer.WriteEndElement();
}
/// <summary>Write this authenticator into an XmlWriter</summary>
/// <param name="writer">XmlWriter to receive authenticator</param>
public void WriteToWriter(XmlWriter writer)
{
writer.WriteStartElement("authenticatordata");
//writer.WriteAttributeString("type", this.GetType().FullName);
string encrypted = EncodePasswordTypes(PasswordType);
if (string.IsNullOrEmpty(encrypted) == false)
{
writer.WriteAttributeString("encrypted", encrypted);
}
if (PasswordType != PasswordTypes.None)
{
writer.WriteRaw(EncryptedData);
}
else
{
writer.WriteStartElement("servertimediff");
writer.WriteString(ServerTimeDiff.ToString());
writer.WriteEndElement();
//
writer.WriteStartElement("lastservertime");
writer.WriteString(LastServerTime.ToString());
writer.WriteEndElement();
//
writer.WriteStartElement("secretdata");
writer.WriteString(SecretData);
writer.WriteEndElement();
WriteExtraXml(writer);
}
/*
* if (passwordType != Authenticator.PasswordTypes.None)
* {
* //string data = this.EncryptedData;
* //if (data == null)
* //{
* // using (MemoryStream ms = new MemoryStream())
* // {
* // XmlWriterSettings settings = new XmlWriterSettings();
* // settings.Indent = true;
* // settings.Encoding = Encoding.UTF8;
* // using (XmlWriter encryptedwriter = XmlWriter.Create(ms, settings))
* // {
* // Authenticator.PasswordTypes savedpasswordType = PasswordType;
* // PasswordType = Authenticator.PasswordTypes.None;
* // WriteToWriter(encryptedwriter);
* // PasswordType = savedpasswordType;
* // }
* // data = Authenticator.ByteArrayToString(ms.ToArray());
* // }
*
* // data = Authenticator.EncryptSequence(data, PasswordType, Password);
* //}
*
* writer.WriteString(this.EncryptedData);
* writer.WriteEndElement();
*
* return;
* }
*
* //
* writer.WriteStartElement("servertimediff");
* writer.WriteString(ServerTimeDiff.ToString());
* writer.WriteEndElement();
* //
* writer.WriteStartElement("secretdata");
* writer.WriteString(SecretData);
* writer.WriteEndElement();
*
* WriteExtraXml(writer);
*/
writer.WriteEndElement();
}