00294nam a2200121Ia 4500008004100000020001500041041001200056100001400068245004100082260002500123300000800148650001600156221030s9999    xx            000 0 und d  a1259029883  aEnglish  aA. Kahate 0aCryptography & Networkcby A. Kahate  bTMHaNew Delhic2016  a501  aBE Computer