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BeardedDragon1917 t1_jacvd1j wrote

Couldn't somebody just alter the photo slightly to completely change its hash?

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HanaBothWays t1_jacxr6a wrote

There’s a whole class of hashes used for media fingerprinting/detection and they don’t work the same way as the ones you’re probably thinking of (the ones used for digital signatures and tamper detection).

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