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(a) Explain the importance of the Euler Totient function in Cryptography. Calculate Euler Totient function value, φ(1280).
(b) Explain the role of the Authentication Server (AS) and Ticket Granting Server (TGS) in Kerberos.
(c) Explain the following terms as used in cryptography:
(i) Avalanche effect (ii) Digital Signature (iii) Stream Cipher (iv) Confusion (v) Message Digest (5
(d) Briefly describe the advantages and drawbacks of quantum cryptography.
(e) Briefly describe the triple DES cipher, stating its practical implementation, advantages and disadvantages.
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Ask question #Minimum 100 words are there non parasitic viruses
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QUESTION a) A switch basically operates by forwarding frames from one part of the network to another, based on MAC address. Describe the three types of switching namely store
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which is best algorithm
Hypothetical reliable data transfer protocol: A jumping window based Go-back-N ARQ protocol for file transfer using UDP as the transport protocol: In this protocol, a window o
(a) An opponent is using RSA with the public key {e=53, n=77}. You intercept the ciphertext C=10. (All values on this problem, including the ciphertext and the cleartext, are nume
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