00383nam a2200145Ia 4500008004100000020001800041041000800059082001600067100001500083245003900098250000600137260004100143300001200184650004100196210716s2011    xx            000 0 und d  a9780230332782  aeng  a005.82 GILP  aGill, P S.  aCryptography and network security.  a1  aNew DelhibMacmillan India Ltdc2011  axii,288  aCryptography-Data encryption(005.82)