Algebraic and Slide Attacks on KeeLoq

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Nicolas T. Courtois, Gregory V. Bard, David A. Wagner

Published: 2008, Last Modified: 14 May 2025FSE 2008EveryoneRevisionsBibTeXCC BY-SA 4.0
Abstract: KeeLoq is a block cipher used in wireless devices that unlock the doors and alarms in cars manufactured by Chrysler, Daewoo, Fiat, GM, Honda, Jaguar, Toyota, Volvo, Volkswagen, etc [8,9,33,34]. KeeLoq is inexpensive to implement and economical in gate count, yet according to Microchip [33] it should have “a level of security comparable to DES”.