000			00375nam a2200157 4500
003			OSt
020			_a9789332518773
082			_a005.8 _b STA
100			_aStalling, William
245			_aCryptography and Network Security : Principles & Practice
250			_a6th ed.
260			_aNew Delhi _bPEA _c2014
300			_a660
500			_aNetwork Security
942			_2ddc _cBK
999			_c3419 _d3419