Question: Consider a client C that wants to authenticate to a server S. The client C has a username and password (U,P) combination that it uses

Consider a client C that wants to authenticate to a server

Consider a client C that wants to authenticate to a server S. The client C has a username and password (U,P) combination that it uses to authenticate to S. The server S has a certificate [S,PuS,]CA that C implicitly trusts. Using the above knowledge, can you design a simple network authentication protocol? This protocol should provide: (1) confidentiality of the username and password when they are transmitted to the server, (2) mutual authentication where the client and server both authenticate each other, and (3) protection from replay attacks

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