00521cam a22001695i 4500008004100000020001800041100001900059245004300078250001400121260004200135300001700177500004700194650004000241650002300281650001600304650003100320150715s2015    gw |||| o    |||| 0|eng    a9789389347104  aPachghare V.K.00aCryptography and Information Security/  a3rd. ed.   aNew DelhibPHI Private Learningc2022  axiii,; 367p.  aincludes bibliography references and index 0aData encryption (Computer science). 0aComputer security.14aCryptology.24aSystems and Data Security.