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So how do they know it's similar ? Is there a distance that could be calculated between 2 hashes and tell if they are similar ? I don't think so... So are your

• iak8god 9y ago
  > Is there a distance that could be calculated between 2 hashes and tell if they are similar ? Yes, maybe: https://en.wikipedia.org/wiki/Locality-preserving_hashing https://en.wikipedia.org/wiki/Locality-preserving_hashing > So are your old passwords stored in plain text somewhere so they can compare? You betcha!
  • JeanMarcS 9y ago
    Thanks for your answers :)