gpg --full-generate-keyenter the required details
gpg --list-secret-keys --keyid-format=long- you get something like this
[keyboxd]
---------
sec ed25519/6618E9653D9F0F5A 2025-12-09 [SC]here 6618E9653D9F0F5A is your gpg key id
git config --global user.signingkey 6618E9653D9F0F5Agit config --global commit.gpgsign true
git config --global gpg.program gpggpg --armor --export 6618E9653D9F0F5A