00329nam a2200133   4500020002900000082001300029100001800042245003000060260003500090300001600125650001800141700002200159700001400181  a9788126522859(Paperback)  a006.6PAD  aShyamala, C.K  aCryptography and Security  aNew Delhi:bJohn Wiley,c2011.  aXXX,529p. ;  aCryptography   aPadmanabhan, T.R.  aHarini, N