I recently ran into this problem as well and decided to do some web inspection. Turns out Proton's web UI uses Ed25519 instead of standard X25519.
Code and more detailed explanations are found here: https://github.com/neovimium/protonvpn-keygen
I recently ran into this problem as well and decided to do some web inspection. Turns out Proton's web UI uses Ed25519 instead of standard X25519.
Code and more detailed explanations are found here: https://github.com/neovimium/protonvpn-keygen