00267nam a2200109Ia 4500008004100000100001500041245003800056250000900094260003800103300000800141650000800149191201s2014    xx            000 0 und d  aKHATE.Atul 0aCryptography and Network Security  aRep.  c2014bTata mc Graw HillaN. delhi  a501  aCSE