God that’s ridiculous… the image hash depends on the image not having changed at all from the one uploaded by the user. If they’re screenshotted and cropped, or sent via a messaging platform that compresses them, they’ll be visually similar enough to not matter, and different enough to have a different hash. So, Zuck gets a free peek at your your nudes, and all you get is a false sense of security.
God that’s ridiculous… the image hash depends on the image not having changed at all from the one uploaded by the user. If they’re screenshotted and cropped, or sent via a messaging platform that compresses them, they’ll be visually similar enough to not matter, and different enough to have a different hash. So, Zuck gets a free peek at your your nudes, and all you get is a false sense of security.
Yes and no, there are specific image hashing algorithms that attempt to add a likeness score.
These are already used with in the cloud to combat CSAM