Bhaskar, S M. Handbook of security, cryptography and digital signature / S M Bhaskar and P Ramachandran. - / . - New Delhi : Viva Books , 2006. - vii,157p. : table ; 18cm . NULL ISBN: 9788130902326 Rs.195.00 Subjects--Index Terms: COMPUTER SECURITY ; CRYPTOGRAPHY Dewey Class. No.: 005.82 / BHA/H