Patent ID: 11876896
Assignee: TEXAS INSTRUMENTS INCORPORATED
Field: Audio-visual technology (Electrical engineering)
Classification: CPC H  B  G  Y | IPC B  G  H

Claim 0:
1. A method for operating a first device to pair the first device to a control unit, the method comprising:
executing a first ID authenticated key agreement protocol based on a first key to generate a second key based on the first key, the first key being associated with the first device;
receiving, by the first device, an encrypted third key, the third key being associated with the control unit, the received encrypted third key being encrypted using the second key;
decrypting, by the first device, the encrypted third key using the second key;
executing a second ID authenticated key agreement protocol based on the third key to generate a fourth key;
receiving, by the first device, an encrypted operational key from the control unit, the operational key being encrypted using the fourth key; and
after receiving, by the first device, the operational key from the control unit, erasing from the first device the third key.