00461nam a2200157Ia 4500008004100000020001800041082001400059100001700073245003800090250000800128260004100136300002900177500002600206600002100232650005000253240925s9999    xx            000 0 und d  a9780070648234  a005.8 KAH  aKahate, Atul 0aCryptography and Network Security  a2nd  aNew Delhi:bTata McGraw Hillc,2003.  axiii,372p.bNAfOriginal  aIncludes Bibliography  aComputer Science  aComputer science, information & general works