Are Apple and other phone/camera makers working on ways to "sign" a video to say it's an unedited video from a camera? Does this exist now? Is it possible?
I'm thinking of simple cryptographic signing of a file, rather than embedding watermarks into the content, but that's another option.
I don't think it will solve the fake video onslaught, but it could help.
Cute hack showing that its kinda useless unless the user-facing UX does a better job of actually knowing whether the certificate represents the manufacturer of the sensor (dude just uses a self signed cert with "Leica Camera AG" as the name. Clearly cryptography literacy is lagging behind...
https://hackaday.com/2023/11/30/falsified-photos-fooling-ado...
This is what I think every time I hear about AI watermarking. If anything, convincing people that AI watermarking is a real, reliable thing is just gonna cause more harm because bad actors that want to convince people something fake is real would obviously do the simple subversion tactics. Then you have a bunch of people seeing it passes the watermark check, and therefore is real.
I agree is probably a losing battle, but maybe worth fighting. If the metadata is also encrypted, you can also verify the time and place it was recorded. Of course, this requires closed/locked hardware and still possible to spoof. Not ideal, but some assurances are better than a future of can't trust anything.
Nikon has had digital signature ability in some of their flagship cameras since at least 2007, and maybe before then. The feature is used by law enforcement when documenting evidence. I assume other brands also have this available for the same reasons.
I'm thinking of simple cryptographic signing of a file, rather than embedding watermarks into the content, but that's another option.
I don't think it will solve the fake video onslaught, but it could help.