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Yes, the manufacturer would put the private key on the camera. The camera would sign every picture/frame/n bytes. Then everyone with the public could verify the images/videos. Of course if the key gets stolen from the cam this approach breaks down.
Yeah it sounds insecure to me, but I don’t know what hardware people are capable of, so I could believe it’s possible to do securely. Thanks
Yeah the main weakness is how you keep the keys secure. I can imagine a more complex solution with smartphones where the private key gets periodically updated and only the manufacturer knows which key was deployed on which device at any given time.
I like the way you’re thinking. Even now videos are edited to suit a narrative. Combining this with cryptography and even an immutable ledger of linked and hashed. #blockchain But the camera device would need to be the issuer of the private key somehow. #lovetheidea
You could perhaps have cameras with an optional slot for standard chips that will produce signatures of whatever data the receive. Then you could install chips from different authorities to prevent any single one of them from altering stuff.
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