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This version of GitHub Enterprise was discontinued on 2023-01-18. No patch releases will be made, even for critical security issues. For better performance, improved security, and new features, upgrade to the latest version of GitHub Enterprise. For help with the upgrade, contact GitHub Enterprise support.

Associating an email with your GPG key

Your GPG key must be associated with a GitHub Enterprise Server verified email that matches your committer identity.

If you're using a GPG key that matches your committer identity and your verified email address associated with your account on your GitHub Enterprise Server instance, then you can begin signing commits and signing tags.

  1. Open TerminalTerminalGit Bash.

  2. Use the gpg --list-secret-keys --keyid-format=long command to list the long form of the GPG keys for which you have both a public and private key. A private key is required for signing commits or tags.

    Shell
    $ gpg --list-secret-keys --keyid-format=long

    Note: Some GPG installations on Linux may require you to use gpg2 --list-keys --keyid-format LONG to view a list of your existing keys instead. In this case you will also need to configure Git to use gpg2 by running git config --global gpg.program gpg2.

  3. From the list of GPG keys, copy the long form of the GPG key ID you'd like to use. In this example, the GPG key ID is 3AA5C34371567BD2:

    Shell
    $ gpg --list-secret-keys --keyid-format=long
/Users/hubot/.gnupg/secring.gpg
------------------------------------
sec   4096R/3AA5C34371567BD2 2016-03-10 [expires: 2017-03-10]
uid                          Hubot <hubot@example.com>
ssb   4096R/4BB6D45482678BE3 2016-03-10

  4. Enter gpg --edit-key GPG key ID, substituting in the GPG key ID you'd like to use. In the following example, the GPG key ID is 3AA5C34371567BD2:

    $ gpg --edit-key 3AA5C34371567BD2

  5. Enter gpg> adduid to add the user ID details.

    $ gpg> adduid

  6. Follow the prompts to supply your real name, email address, and any comments. You can modify your entries by choosing N, C, or E. 

    Real Name: OCTOCAT
Email address: "octocat@github.com"
Comment: GITHUB-KEY
Change (N)ame, (C)omment, (E)mail or (O)kay/(Q)uit?

  7. Enter O to confirm your selections.

  8. Enter your key's passphrase.

  9. Enter gpg> save to save the changes

    $ gpg> save

  10. Enter gpg --armor --export GPG key ID, substituting in the GPG key ID you'd like to use. In the following example, the GPG key ID is 3AA5C34371567BD2:

    $ gpg --armor --export 3AA5C34371567BD2
# Prints the GPG key, in ASCII armor format

  11. Upload the GPG key by adding it to your GitHub account.

Further reading