TIL that illegal numbers, and possibly illegal hashes, are a thing. But it makes sense. After all, all digital information can be represented as a number. Therefore, a number that represents information that would be illegal under a certain legal jurisdiction is also illegal in such jurisdiction.
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28 Nov 2022 β’
@hacdias "Because MD5 is a relatively weak algorithm, it is possible to create deliberate hash "collisions". That is, take some data and manipulate it until it has the same MD5 as a different piece of data."This is confusing collision attacks and second preimage attacks.MD5 and SHA-1β¦