B. A. FOROUZAN, . (2009). CRYPTOGRPHY & NETWORK SECURITY. : TATA MAGRAW HILL.
B. A. FOROUZAN, . 2009. CRYPTOGRPHY & NETWORK SECURITY. : TATA MAGRAW HILL.
B. A. FOROUZAN, . CRYPTOGRPHY & NETWORK SECURITY. : TATA MAGRAW HILL. 2009.
