Problem
1. Why do you think we need only one timestamp in Kerberos instead of four notices as in Needham-Schroeder or three nonce as in Otway-Rees?
2. In the Diffie-liellman protocol. g = 7, p = 23, x = 3. and y = 5.
a. What is the value of the symmetric key?
b. What is the value of RI and K2?