00450nam a22001697a 4500003000400000005001700004008004100021020001800062040000800080082001500088100002200103245006300125250001200188260006200200300001000262650000800272AIT20251226153020.0251226b        ii ||||| |||| 00| 0 eng d  a9789357059718  cAIT  a005.82 STA  aWilliam Stallings  aCryptography and network security principles and practice   a8th ed.  aNoida,bPearson india education services pvt. Ltd,c2023.  a832p.  aMCA