Problem: 1

Part I

Let Zp, denotes the set {0,1,.....,p-1} and Zp* denote the set of all elements from Zp, that are invertible. Write down the set Z*11, also is 3 generator of Z11*? please explain your answer.

Part II describe the steps to be followed if two parties, say kathy and AJ, want to security share a secret key using the diffie- Hellman key exchange protocol ( provide high- level details)