00299nam a2200109Ia 4500008004100000041000800041082001500049100002100064245004200085260005400127300000800181231228s2009    xx            000 0 und d  aeng  a652.8bPAC  aPACHAHARE (V.K.)  aCryptography and Information Security  aNew DelhibPrentice Hall of India New Delhic2009  a367