This code was written 3000 years ago. Please, do not judge my coding skills base on this code :)
Implementation of arithmetic on elliptic curves and Velu algorithm.
Full bachelor thesis is available here: https://www.researchgate.net/publication/359866222_Protokol_wymiany_klucza_Diffiego-Hellmana_na_izogeniach_supersingularnych_krzywych_eliptycznych