Question 1: Describe the significance of the Euler Totient function in Cryptography. Compute Euler Totient function value, φ(1280).
Question 2: Describe the role of the Authentication Server (AS) and Ticket Granting Server (TGS) in the Kerberos.
Question 3: Describe the given terms as used in the cryptography:
a) Avalanche effect
b) Digital Signature
c) Stream Cipher
d) Confusion
e) Message Digest
Question 4: In brief explain the benefits and limitations of quantum cryptography.
Question 5: In brief explain the triple DES cipher, stating its practical implementation, benefits and drawbacks.