00809nam a22002297a 45000010006000000050017000060080041000230200022000640200025000860500024001110820021001351000024001562450087001802500038002672600058003053000041003635000051004046500042004556500040004976500019005376500023005562057820261006005213.0180525b        xxu||||| |||| 00| 0 eng d  a1292158581 (pbk.)  a9781292158587 (pbk.)  aTK5105.59bS78 2017  a005.82bSTA 2017  aStallings, William.  aCryptography and network security :bprinciples and practice /cWilliam Stallings.  aSeventh edition. (Global edition)  aHarlow, Essex :bPearson Education Limited,cc[2017].  a766 pages :billustrations ;c24 cm.  aIncludes bibliographical references and index.  aComputer networksxSecurity measures.  aData encryption (Computer science).  aCoding theory.  aComputer security.