this post was submitted on 14 Jun 2025
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You, the end user, don't have access to your camera's private key. Only the camera IC does. When your phone / SD card first receives the image/video it's already been signed by the hardware.
so you want the hardware to be significantly more opaque and almost impossible for new manufacturers to compete?
It's pretty standard practise these days to have some form of secure enclave on an SoC - Arm's TrustZone, Intel's SGX, AMD's SME/SEV. This wouldn't be any different. Many camera ICs are already using an Arm CPU internally already.