00430nam a2200157Ia 450000500170000000800410001702000180005808200220007610000180009824500380011625000120015426000380016630000140020450000290021865000250024720241213161553.0231217s9999    xx            000 0 und d  a9780070648234  a001.64404  KAH;17  aKahate, Atul. 0aCryptography and network security  a2nd ed.  c2008bTata McGraw-HillaNew Delhi  axxvi, 541  aContent pages available.  aCryptography,network