a. All n people in a group wish to communicate with each
Chapter 5, Problem 29(choose chapter or problem)
a. All n people in a group wish to communicate with each other using messages encrypted with DES or AES. A different secret key must be shared between each pair of users. How many keys are required? b. All n people in a group wish to communicate with each other using messages encrypted with a public key encryption system. How many keys are required?
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