olemus
liik rekursiivseid algoritme
= a type of recursive algorithms

krüptograafias
https://safecurves.cr.yp.to/ladder.html

https://eprint.iacr.org/2017/264.pdf

https://cr.yp.to/bib/2003/joye-ladder.pdf

https://eprint.iacr.org/2017/350.pdf

vt ka
https://en.wikipedia.org/wiki/Ladder_logic