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Bootup

Alice registers herself in the directory service. Under the key: H(Alice’s IP) H(IP)  IP , Alice’s PKey The directory service stores her for others nodes to use her under a relay A once-per user policy is enforced

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Bootup

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  1. Alice registers herself in the directory service. • Under the key: H(Alice’s IP) • H(IP)  IP , Alice’s PKey • The directory service stores her for others nodes to use her under a relay • A once-per user policy is enforced • Either the directory service is trusted or each user also has some kind of certificate (or something) • You probably need to trust someone…. Bootup

  2. Looking up random Nodes

  3. Looking up random Nodes…

  4. Alice sends message M1 to I1 • I1 decrypts M1 with its PK • Inside M1, the message M2 is included Ring Establishment Messages • M1 establishes a rule on I1 • Whatever I give you from now on, try and decrypt with SK1 • See if there is something for you in the message and forward rest to I2 • Else forward to I2

  5. Alice has built her (blue) ring

  6. In node “In” a rule is established: • If you receive something from an outsider, forward in the ring Entry Point

  7. Alice and Bob share a secret: RAB • Bob will use H(Alice, RAB) to lookup Alice • Alice needs a way to inform Bob of her in-proxy, “In” Enter The Rendezvous Service Rendezvousing

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