000			00373nam a22001457a 4500
020			_a9789332518773
082			_a005.82 _bSTA
100			_aWilliam Stallings
245			_a Cryptography and network security : principles and practices
250			_a6th ed.
260			_aDElhi _b Pearson _c2016
300			_a660p.
650			_aCryptography. Network Security
942			_cBK
999			_c3140 _d3140