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I can see that working for specialized equipment like police body cameras, but if every camera manufacturer in the world needs to manage keys and install them s

I can see that working for specialized equipment like police body cameras, but if every camera manufacturer in the world needs to manage keys and install them securely into their sensors then there will be leaked keys within weeks.

tudorw 3y ago
Makes fake image, hold it in front of camera, click, verified image...
- Wingy 3y ago
  The signed timestamp and location would give that away, but those would have to become not configurable by the user.
  - cwkoss 3y ago
    clocks and gps sensors can be hacked, there is no fundamental source of truth to fall back on here. its as Sisyphean a task as AI detection.
ummonk 3y ago
Just use a certificate chain. The manufacturer can provide each camera its own private key, signed by the manufacturer.
- explaininjs 3y ago
  And when the sensor bus is hijacked to directly feed “trusted” data into the processor?
  - ummonk 3y ago
    Then you can examine the specific camera and try to prove it has been tampered with. At least you know exactly which camera to look at.