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Id-based control unit key fob pairing

A technology of remote control key and control unit, which is applied in the field of ID-based control unit remote control key pairing

Active Publication Date: 2015-03-11
TEXAS INSTR INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this step of delivering the secret key to the vehicle dealer may open the way for theft of the secret key to unauthorized fobs and potential theft, and each of these fobs must store a copy of the secret key. Facts open the way

Method used

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  • Id-based control unit key fob pairing
  • Id-based control unit key fob pairing
  • Id-based control unit key fob pairing

Examples

Experimental program
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Embodiment Construction

[0013] The pairing of a fob with a vehicle (e.g., car, motorcycle, boat, scooter, etc.) may require the transmission and use of security information to ensure that counterfeit fobs are not paired with the vehicle, which may lead to theft. Complete routine procedures can be kept secret by vehicle manufacturers to ensure the safety of their vehicles. However, this process may require the manufacturer to develop expensive and dedicated IT systems to generate the secret key and maintain its security. However, when the vehicle is delivered to the dealership, the secret key is passed on so that multiple fobs can be paired at the final destination. The transfer of the secret key from the manufacturer to the dealer can present an opportunity for the theft of the secret key resulting in counterfeit and counterfeit remote keys.

[0014] In addition to vehicles, the disclosed method can also be used to pair a key fob with any type of control unit that allows wireless connectivity and c...

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PUM

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Abstract

A key fob-control unit pairing device that includes a transceiver to transmit and receive signals, a memory to store a key fob identification (KFID) and a control unit identification (CUID), and a processor coupled to said transceiver and memory. The processor is to authenticate the key fob using identification (ID) authenticated key agreement protocol based on the KFID, and to transmit an encrypted CUID to the key fob.

Description

Background technique [0001] The wireless key fob and its corresponding vehicle can use the encrypted operating key to authenticate communications that occur between the two. In order for the fob to communicate with the vehicle, it must be paired at some point during the manufacturing or distribution process. Pairing of wireless fobs with their corresponding vehicles has conventionally required vehicle manufacturers to deliver to various vehicle dealers a secret key associated with each fob, where the secret key is a cryptographic key. The key fob's secret key may then be used to associate the fob with the vehicle, or to pair the fob with the vehicle. Typically, multiple fobs are paired with each vehicle. However, this step of delivering the secret key to the vehicle dealer may open the way for theft of the secret key to unauthorized fobs and potential theft, and each of these fobs must store a copy of the secret key. Facts open up said pathways. Contents of the invention ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L9/00H04L9/32
CPCH04L63/061H04W12/04H04L63/0428B60K35/00G02B27/01G02F1/133528B60K35/213H04W12/50G02B5/30G02B26/0833G02B27/0101G02B2027/0118H04N9/3129H04N9/3155H04N9/3167H05B47/11H05B47/14Y02B20/40B60K35/60B60K35/23B60K2360/25B60K2360/23B60K2360/334H01S5/4012H01S5/4093B60K2360/27B60K2360/31B60K2360/77B60K2360/349H04L9/0838H04L9/0861G06K7/10227G07C9/00309G07C2009/00769H04L9/14H04L2209/24H04L9/0844H04L9/0897H04L9/3066H04L9/3271H04L2209/805H04L2209/84B60R25/24B60R2325/108H04L9/0822H04L9/3013H04L9/3263H04L9/3268H04L2209/80
Inventor 何金梦埃里克·佩特斯
Owner TEXAS INSTR INC
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