00283nam a2200109Ia 4500008004100000082001800041100002200059245003800081250001200119260003400131300000800165240913s9999||||xx |||||||||||||| ||und||  a005.82  STA/C  aWilliam Stallings 0aCryptography and Network Security  a6th Ed.  bPearson EducationaNULLc2014  a660