00388    a2200157   4500003000400000005001700004008004100021020001800062040000900080082001700089100001700106245005300123250001200176260003200188300001000220OSt20230923154213.0230923b        |||||||| |||| 00| 0 eng d  a9789353163303  coclc  a005.8bKAH/C1 aKahate, Atul  aCryptography and network security /cAtul Kahate  a4th ed.  aIndia:bMcgraw hiil,c2022.  a456 p