Supposedly Quantum-Proof Encryption Cracked by Basic-Ass PC (gizmodo.com)

It ran on Intel Xeon CPU E5-2630v2 at 2.60GHz, it has 6 cores but the code ran on a single core.

The code files are in a language called Magma which I've never heard of, they are:

https://homes.esat.kuleuven.be/~wcastryc/code/richelot_aux.m

https://homes.esat.kuleuven.be/~wcastryc/code/uvtable.m

https://homes.esat.kuleuven.be/~wcastryc/code/SIKE_challenge...

https://homes.esat.kuleuven.be/~wcastryc/code/SIKEp434.m

There are no technical details in the post

=> https://eprint.iacr.org/2022/975 The (pre-print) paper.

More on Magma http://magma.maths.usyd.edu.au/magma/