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My garage door opener uses a “rolling code” to prevent these sorts of playback attacks. I would assume they’re pretty commonplace nowadays? I remember reading
by op00to 5y ago
My garage door opener uses a “rolling code” to prevent these sorts of playback attacks. I would assume they’re pretty commonplace nowadays?
I remember reading a text file back in the early 90s downloaded from a bbs that had plans for a master garage door opener. Seemed like magic.
- tyingq 5y ago> My garage door opener uses a “rolling code” to prevent these sorts of playback attacks. I would assume they’re pretty commonplace nowadays? Samy Kamkar's Rolljam supposedly does well against those, though the owner's fob quits working, so it's not stealthy. https://archive.ph/lHHnQ https://archive.ph/lHHnQ
- garaetjjte 5y agoVulnerabilities happened in rolling code systems too, see for example https://www.iacr.org/archive/crypto2008/51570204/51570204.pdf https://www.iacr.org/archive/crypto2008/51570204/51570204.pd... (they were able to read manufacturer key and then clone any transmitter just by eavesdropping) or https://www.usenix.org/system/files/conference/usenixsecurity16/sec16_paper_garcia.pdf https://www.usenix.org/system/files/conference/usenixsecurit...