Hi, I made this multiplication algorithm to make some security but I leave it their for people who need a multiplication algorithm tha's a bit faster than the 'naive' method... you can use it, just know that it needs basics operation like add and sub...
See inside to get more informations Here the website I used : https://stackoverflow.com/questions/42324419/karatsuba-multiplication-implementation Thanks to @Mooshroom-09 to told me to use custom blocks input instead of lists !!