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Sequenced Methods Generic Model
Client
Authentication
Agent 1
Authentication
Agent 2
Protocol Sequence 1
Client AND/OR Server Authentication
Protocol Sequence 2
Client AND/OR Server Authentication
Front-end
authenticator
Authentication
Server
Protocol Sequence N
Client AND/OR Server Authentication
….


Session Keys (Which method ?)
Ciphered Link
Terminology
”Front-end” authenticator is end of access link to be authenticated
Intermediate endpoint in sequence is an authentication ”agent”
Final authentication endpoint is authentication ”server”
Agents and Server may be co-located.
PPT Version