00325nam 2200545 4500001000400000003002300004005000900027008004100036082001000077072001300087100002200100260003300122245003800155545StarLibrary Marc Built20180420201711 ||||| |||||||||||amh  a005.8 aComputer aWilliam Stallings bPearson Education,inc c2014 aCryptography And Network Security