00870nam a2200241Ia 4500003000400000005001700004008004100021020001500062040001800077041000800095082001900103100003100122245009100153250001200244260004400256300002800300650003500328650003800363650002800401942002900429999001900458952015100477OSt20251112153946.0210716s2009    xx            000 0 und d  a8178086050  cAIMIT LIBRARY  aeng  a005.822bSTAW  aStallings, William.943452  aCryptography and network security : bprinciples and practices /cBy William Stallings  a2nd ed.  aNew Delhi :bPearson Education ,c2009.  axvi,569/2002bPBc24 cm  aConventional encryption943453  aNetwork security practice9245245  aSystem security9245246  2ddccBKe2ndk005.8 STAW  c185029d185029  00102ddc40708MCAaAIMITbAIMITd2021-07-16g295.00i Bill dt:2004-02-02l0o005.82 STAWpMCA04537r2026-05-23 00:00:00v221.25w2021-07-16yBK