DataLengthException public class DataLengthException : CryptoException This exception is thrown if a buffer that is meant to have output copied into it turns out to be too short, or if we've been given insufficient input. Documentation public DataLengthException() public DataLengthException(string message) public DataLengthException(string message, Exception innerException) protected DataLengthException(SerializationInfo info, StreamingContext context)