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You're saying that there are cryptographically-secure PhotoDNA-like hash algorithms? That's remarkable, if true, though I'm not sure if the schemes you're refer
by sterlind 3y ago
You're saying that there are cryptographically-secure PhotoDNA-like hash algorithms? That's remarkable, if true, though I'm not sure if the schemes you're referring to are resistant to preimage recovery or hash collision (different things!)
- grayhatter 3y agoI dont want to oversell it, having really only seen what I might consider marketing material... I'm pretty sure they're only using a CS hash for the database, where the photo hash is similar to photodna, and they're only adding some indirection. My assumption was something like sha_something(photodna(image))