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Git 3.0's upcoming SHA-256 default will be a costly mistake

570 points · 536 comments · chmaynard

  1. r3trohack3r · · focus · HN ↗
    > We can go through years of this SHA-1 to SHA-256 migration and then quantum computers break 256 and we're back in the same stupid boat again.

    SHA-256 is considered quantum safe by the NIST and is left out of PQC migration guidance entirely.

    1. TheRealPomax · · focus · HN ↗
      For now. Turns out the pigeon hole principle still holds.
      1. AndrewDucker · · focus · HN ↗
        1x10^77 is a lot of pigeon holes.
        1. TheRealPomax · · focus · HN ↗
          Yep. So was 1.46 x 10^48
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