00639nam a2200205Ia 450000500170000000800410001702000180005804000180007604100080009408200210010210000240012324500910014725000060023826000430024430000260028765000360031365000340034965000270038365000230041020220622193408.0210716s2009    xx            000 0 und d  a9789332518773  cAIMIT LIBRARY  aeng  a005.8226b STAW  aStallings, William.  aCryptography and network security : bPrinciples and practices /cBy William Stallings  a6  aNew Delhi :bPearson Education ,c2016  a660p. ;bPB ;c25 cm.  aClassical Encryption Techniques  aAdvanced Encryption  Standard  aBlock Cipher Operation  aMore Number Theory