Post
Topic
Board Development & Technical Discussion
Re: Elliptic Curve Point Addition Question
by
Tanagi
on 24/01/2022, 03:35:00 UTC
Thanks so much for everyone's input so far.

Could I ask if someone would be able to provide a manual step by step example of the point addition process using actual numbers?

Here are 2 random EC points to use from secp256k1.

Privkey: DBD5EBF749EDF69369B251A9434E9B782534294066797AEF1D25ED9B9672E821

x - 109493922098989287353358202596299422915042473617120228714701225409342421241792
y - 109899546570013792669570062242083808994383794323190482590108937934309418520644

+

Privkey: 9A309407E5266673F677C583BF1068615810AF4C1B90D5A8DBB335CC15D05959

x - 69395938208587572292363152174054021882846778300880058382874375807278603471216
y - 88660534177150263324537226657815045924854945333470172921739521551593497336256

I just need the (public key) point addition. No need to do anything with the private keys, they are just there for reference if needed.

I haven't seen this done anywhere (and I've looked a lot). This would be amazing to include in my project and for me to learn what this process actually looks like on paper.

Thanks so much in advance.