Suppose N people want to communicate with each of N 1 other peopleusing symmetric key
Chapter 8, Problem R6(choose chapter or problem)
Suppose N people want to communicate with each of N 1 other peopleusing symmetric key encryption. All communication between any two people,i and j, is visible to all other people in this group of N, and no other personin this group should be able to decode their communication. How manykeys are required in the system as a whole? Now suppose that public keyencryption is used. How many keys are required in this case?
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