Re:HackRF, an open source SDR platform
by paduc on Wednesday July 31, 2013 @11:29AM
(#6134419)
Can't you use this to capture car-key signals and replicate them later? Sounds like the perfect tool for that.
[ Parent
| on HN ]
I'm pretty sure car keys use a rolling code to avoid this type of attack.
Here is a spec sheet from '96:
http://www.ti.com/lit/ds/slws011d/slws011d.pdf
Back then they used a 40 bit rolling code.
Found here: http://auto.howstuffworks.com/remote-entry2.htm