[Cryptography] Has quantum cryptanalysis actually achieved anything?

David Kane-Parry dkp at ldd.org
Thu Feb 20 15:53:43 EST 2025


On 20 Feb 2025, at 21:19, Jon Callas <jon at callas.org> wrote:
> I went over to Google and typed in "factor 2323" -- a four-digit number that my left hand pulled out of its fingers. I've learned that there are enough factoring resources on the web that numbers under six digits or so just pop up. There was a time when I had a file on my laptop of all primes under a million, which meant I could do a primality test with grep. I have apparently stuck that file somewhere safe where I won't lose it. Or find it.

The bane of many a CTF designer, https://factordb.com/ can be quite handy.

- d.

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