00486nam a2200157Ia 4500008004100000020001800041082001400059100002300073245006300096250000800159260004200167300002300209500001900232600002700251650005000278240925s9999    xx            000 0 und d  a9789332518773  a005.8 STA  aStallings, William 0aCryptography and Network Security: principles and practice  a6th  aNew Delhi:bPearson Educationc,2014.  a165p.b0fOriginal  aIncludes Index  aEngineering Technology  aComputer science, information & general works