Question: 5. A and B use Diffie Helman key exchange with parameters p = 79, Q=3. A chooses private key 5 and B choose its private

5. A and B use Diffie Helman key exchange with parameters p = 79, Q=3. A chooses private key 5 and B choose its private key as 7. What is the common secret computed by A and B?

6. a. Construct a Playfair matrix with the key largest.b. Construct a Playfair matrix with the key occurrence. Make a reasonable assumption about how to treat redundant letters in the key

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