How to add a GPG key to verify your commits in GitHub

add_GPG_support.md

Generate a new GPG key (https://help.github.com/articles/generating-a-new-gpg-key/)

$ gpg2 --full-gen-key

List available keys

$ gpg2 --list-keys --keyid-format LONG

Obtain a GPG key

$ gpg2 --armor --export ABC123DEF

Add the obtained key to your account.

Activate the signing of git commits (globally) with the obtained key

$ git config --global commit.gpgsign true
$ git config --global gpg.program gpg2
$ git config --global user.signingkey ABC123DEF

Note: ensure that the commiters' email march the email in the key. Set the email if needed

$ git config user.email [email protected]