00382nam a2200145 a 450000500170000000800410001702000150005804100080007308200130008110000170009424500540011125000120016526400430017730000160022020260717092102.0260717s2004    ii            000 0 eng d  a0070494835  aeng04a005.82191 aKhate, Atul.10aCryptography and Network Security /cKhate, Atul.  a3rd Ed. 1aNew Delhi :bTata Mc Graw Hill,c2004.  axxii, 435p.