00309nam a2200109Ia 4500008004100000082001800041100002300059245003800082250001200120260005900132300000800191240913s9999||||xx |||||||||||||| ||und||  a005.82  FOR/C  aBehrouz A Forouzan 0aCryptography And Network Security  a2nd Ed.  bTata MCGraw Hill Education Private LimitedaNULLc2011  a702