Remote Entry Control and Immobilizer System Solutions

Paper #:
  • 2000-01-1310

Published:
  • 2000-03-06
Citation:
Oexle, T. and Ulke, W., "Remote Entry Control and Immobilizer System Solutions," SAE Technical Paper 2000-01-1310, 2000, https://doi.org/10.4271/2000-01-1310.
Affiliated:
Pages:
8
Abstract:
This paper describes the different data processing methods and crypto algorithm principles of access/drive authorization systems used in modern vehicles. The various communication sequences between keyhead/ keyfob and vehicle are detailed. Some possible attacks by thieves on a remote entry control system and the countermeasures required are discussed. Illustrations are given for a system overview, RF-receiver modules, bandwidth comparison, range performance, assembly of a plastic transponder, immobilizer module, “rolling-code” and “challenge & response” principle
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