An anonymous vehicular broadcast system that has encrypted links between the roadway infrastructure and the vehicles. The vehicles each have a common private key that is generated from a certification key, provided by a certification authority, and a configuration key that is generated at each power up of the vehicle. The configuration key is not stored in the vehicle so that the vehicle is only stores a portion of the private key.

 
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> Integrated circuit device, information processing apparatus, memory management method for information storage device, mobile terminal apparatus, semiconductor integrated circuit device, and communication method using mobile terminal apparatus

> Method and system for authentification of a mobile user via a gateway
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