3 ms·

France sent its first postquantum encrypted diplomatic cable to embassy in theUS

• mytailorisrich 4y ago
  Les français parlent aux français: Yvette aime les grosses carottes.
  • Kukumber 4y ago
    https://www.youtube.com/watch?v=VMzmW9XULHM https://www.youtube.com/watch?v=VMzmW9XULHM History repeats itself, or perhaps it never ended, or rather it already ended
    • andsoitis 4y ago
      History often rhymes.
      • Kukumber 4y ago
        That's a great one
• dontbenebby 4y ago
  I’m not a cryptographer yet. What make it “post quantum”? Isn’t all symmetric encryption pretty quantum resistant? (Including one time pads, AES, etc?)
  • krastanov 4y ago
    Symmetric encryption is quantum-resistant. Most modern asymmetric encryption (public key encryption) is not resistant to attacks with quantum computers because modern public keys are based on something called "hidden subgroup problems" which can be solved easily with quantum computers (if they existed). However, quantum-resistant asymmetric encryption does exist, it is just not yet common or battle-tested. Of course, all of this depends (as usual) on complexity theory conjectures. Very plausible conjectures, but not yet strictly proven theorems.
    • dontbenebby 4y ago
      >hidden subgroup problems Thanks for the explainer I’ll read on this when I get some free time.