Note:- These notes are according to the R09 Syllabus book of JNTU.In R13 and R15,8-units of R09 syllabus are combined into 5-units in R13 and R15 syllabus.
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Cryptography and Network Security. For one-semester, undergraduate- or graduate-level courses in Cryptography, Computer Security, and Network Security. The book is suitable for self-study and so provides a solid and up-to-date tutorial.