000			00377nam a22001457a 4500
003			BML
020			_a9788190691970
082			_a005.8 _bGUP
100			_aGupta , Sunil
245			_aIntroduction to cryptography and network security
260			_aNew Delhi _bS.K Kataria and Sons _c2013
300			_a209p.
650			_aComputer networks -- Security measures
942			_2ddc _cBK
999			_c3577 _d3577