Patent ID: 9407436
Filing Date: 2016-08-02
CPC Classification: B60R,H04L,H04W

Claim Text:
1. A portable device registration system comprising: a portable device that uses a first encryption key to perform encrypted communication with a vehicle which uses a second encryption key that corresponds to the first encryption key of the portable device; and a controller included in the vehicle, wherein the portable device registration system registers the portable device to the controller; wherein the controller stores identification information unique to the vehicle and a key generation logic configured to generate the second encryption key of the vehicle; the portable device stores an encryption key generation code unique to the portable device and the first encryption key of the portable device; the controller performs a registration process including the portable device registration system includes a deletion tool instructing the controller to transmit a deletion request signal to the portable device to delete the encryption key generation code from the portable device; and the controller transmits the deletion request signal to the portable device after receiving an instruction from the deletion tool, and the portable device deletes the encryption key generation code from the portable device when receiving the deletion request signal so that the identification information of the vehicle and the first encryption key of the portable device remain in the portable device.