00437cam a2200145Ia 4500020001500000020001800015050002000033100001800053245004000071260006200111300003700173500002000210650004300230650001800273  a0070494835  a978007049483114aTK 5105.59bKAH1 aKahate, Atul.10aCryptography and network security /  aNew Delhi :bTata McGraw-Hill Publishing Company,cc2003.  axx, 435 pages :bIllustrations ;  aIncludes index. 0aComputer networks - security measures. 0aCryptography.