00602nam a2200205Ia 4500003000400000005001700004008004100021020001800062040001800080041000800098082002100106100002400127245009000151250001200241260004400253300002300297650002200320650003400342650002000376OSt20220622181600.0210716s2009    xx            000 0 und d  a9789332585225  cAIMIT LIBRARY  aeng  a005.82 27bSTAW  aStallings, William.  aCryptography and network security : bPrinciples and practice /cBy William Stallings  a7th ed.  aNew Delhi :bPearson Education ,c2018.  a766p ;bPBc23 cm.  aSymmetric Ciphers  aNetwork and Internet Security  aSystem Security