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(a) Using Fermat's theorem, find 3201 mod 11.
(b) Explain how the Diffie-Hellman key agreement protocol works and what its purpose and main properties are.
Consider a Diffie-Hellman scheme with a common prime q = 11 and a primitive root α = 2.
(i) If user A has public key YA = 9, what is A's private key XA?
(ii) If user B has public key YB = 3, what is the shared secret key K, shared with A?
(c) Briefly explain the Output Feedback (OFB) mode of operation stating its advantages, disadvantages and uses.
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(a) Describe the concept of zero knowledge proofs. Give a practical example. (b) Explain how a one way hash function works. (c) What are message authentication codes? (d)
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Title: Perimeter Network Security System Outline Requirements The University is based in Glasgow, and provides higher education services to its students and staff. It is loc
hi have a look and tell me if u can do it. if u can do Q1then i will allow u to do Q2
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