How to hack time, with C2PA

Retr0id 29 points 3 comments October 03, 2026
www.da.vidbuchanan.co.uk · View on Hacker News

Discussion Highlights (2 comments)

bawolff

> C2PA allows for arbitrary "exclusions". These are byte ranges within the file which are excluded from signature calculations Glad to see we learned from the mistakes of SAML.

kaszanka

Only tangentially related, but knowing that remote attestation and co. will only ever get... "better" fills me with impotent rage like almost nothing else. https://www.lafkon.net/tc/ (2004) was so very prescient.

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