Rolling Codes

Rolling Codes¶

https://spencerwhyte.blogspot.com/2014/03/delay-attack-jam-intercept-and-replay.html
https://s3.documentcloud.org/documents/3010178/Volkswagen-amp-HiTag2-Keyless-Entry-System.pdf
https://labs.jumpsec.com/car-hacking-manual-bypass-of-modern-rolling-code-implementations/
https://github.com/argilo/secplus

Passive Keyless Entry System¶

Common Exploits¶

Rollback Attack: If a valid N and N+1 (even if out of order) code is used then it sets the current counter to N+2.
- Common attack in some Honda, Hyundai, Kia, Mazda, Nissan and Toyota cars