The following pictures present a sample L&C use scenario,  iPAQ (Alice) authenticating an un-attended target device/PC (Bob). (1)
shows the connection initialization and the key exchange and verification type selection. In (2), the devices, having already exchanged
DH public keys,  Alice plays Bob's public key MadLib on his device. In (3), Alice plays Bob's MadLib on her device. Finally, (4) shows  the
devices after they have agreed on a shared secret.

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Picture 1. Connection initialization, key exchange protocol and verification type selection. 
                                                                                                             

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Picture 2.  Having already exchanged DH public keys, Alice causes Bob to vocalize its public key MadLib.


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Picture 3. Alice vocalizes Bob's public key MadLib on her device. 
                                                                                                             

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Picture 4. The devices have agreed on a shared secret.