"Security in Computing (Fourth Edition), Charles P. Pfleeger, Prentice-Hall
International, Inc."
"Applied Cryptography Protocols, Algorithms, and Source Code in C (Second
edition), Bruce Schneier, John Wiley & Sons, Inc."
යාලුවා.. පුළුවන් නම් මේ books දෙක හොයල දෙන්න.