@book{1393,
	author = {Forouzan, Behrouz A. and Mukhopadhyay, Debdeep.},
	title = {Cryptography and network security /},
	publisher = {Tata McGraw Hill Education ,},
	year = {c2010 (4th printing 2011) .},
	address = {New Delhi :},
	edition = {2nd ed.}
}