000			00392nam a22001337a 4500
999			_c534801 _d534801
020			_a9789332585225
082			_a005.8
100			_aStallings, William
245			_aCryptography and Network Security: _bPrinciples and Practice / _cWilliam Stallings
250			_a7th ed.
260			_aNew Delhi : _bPearson, _c2019.
942			_2ddc _cBK