Cryptographer Matthew Green: "trustworthy cameras" are too fragile to rely on

matthew_d_green · x · 2026-09-16

Cryptographer Matthew Green is skeptical of "trustworthy camera" schemes like Apple's Reference Image for high-value photos. He argues such provenance systems are too fragile: someone will eventually forge a photo that appears authentic and passes verification. Their real utility, he says, will be for low-value daily use rather than trusted high-stakes authentication.

Related event: Cryptographer Matthew Green questions robustness of Apple's signed 'trusted camera' photo provenance(7 posts)→

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