00362nam a2200145Ia 4500003000400000005001700004008004100021020001800062082001800080100002300098245003800121250000800159260003900167300001000206TMU20251108101842.0160921s9999    xx            000 0 und d  a9788177587746  a005.82bSta-C  aStallings, William  aCryptography and Network Security  a4th  bPearson Educationc2006aNew Delhi  a680p.