00510cam a22001214a 4500020002400000082001500024100002300039245006300062260006000125300003100185500006300216650010900279  a9789332585225 (pbk)  a005.8bSTA1 aStallings, William10aCryptography and network securitybprinciples and practice  aNoidabPearson India Education Services Pvt. Ltd c2019  a766 p. b: ill. c; 24 cm.  aIncludes bibliographical references, appendices and index. 0aData encryptionvCoding theoryvComputer security vNetwork securityvInternet securityvRICASvFCvFEAS