code: function serverSecurityData(opt) {
  	var self = {
  		__TYPE__ : MessageType.SC_SECURITY,
  		encryptionMethod : new type.UInt32Le(),
  		encryptionLevel : new type.UInt32Le() 
  	};
  	
  	return new type.Component(self, opt);
  }
docs: Only use for SSL (RDP security layer TODO)
  @see http://msdn.microsoft.com/en-us/library/cc240518.aspx
  @param opt {object} Classic type options
  @returns {type.Component}