Telling Git about your signing key

To sign commits locally, you need to inform Git that there's a GPG key you'd like to use.

Telling Git about your GPG key

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

If you don't have a GPG key that matches your committer identity, you need to associate an email with an existing key. For more information, see "Associating an email with your GPG key".

If you have multiple GPG keys, you need to tell Git which one to use.

Open TerminalTerminalGit Bashthe terminal.
Use the gpg --list-secret-keys --keyid-format LONG command to list GPG keys for which you have both a public and private key. A private key is required for signing commits or tags.
```
$ 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.

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

$ gpg --list-secret-keys --keyid-format LONG
/Users/hubot/.gnupg/secring.gpg
  ------------------------------------
sec   4096R/3AA5C34371567BD2 2016-03-10 [expires: 2017-03-10]
uid                          Hubot 
ssb   4096R/42B317FD4BA89E7A 2016-03-10

To set your GPG signing key in Git, paste the text below, substituting in the GPG key ID you'd like to use. In this example, the GPG key ID is 3AA5C34371567BD2:
```
$ git config --global user.signingkey 3AA5C34371567BD2
```
If you aren't using the GPG suite, paste the text below to add the GPG key to your bash profile:
```
$ test -r ~/.bash_profile && echo 'export GPG_TTY=$(tty)' >> ~/.bash_profile
$ echo 'export GPG_TTY=$(tty)' >> ~/.profile
```
Note: If you don't have .bash_profile, this command adds your GPG key to .profile.

Telling Git about your GPG key

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

If you don't have a GPG key that matches your committer identity, you need to associate an email with an existing key. For more information, see "Associating an email with your GPG key".

If you have multiple GPG keys, you need to tell Git which one to use.

Open TerminalTerminalGit Bashthe terminal.
Use the gpg --list-secret-keys --keyid-format LONG command to list GPG keys for which you have both a public and private key. A private key is required for signing commits or tags.
```
$ 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.

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

$ gpg --list-secret-keys --keyid-format LONG
/Users/hubot/.gnupg/secring.gpg
  ------------------------------------
sec   4096R/3AA5C34371567BD2 2016-03-10 [expires: 2017-03-10]
uid                          Hubot 
ssb   4096R/42B317FD4BA89E7A 2016-03-10

To set your GPG signing key in Git, paste the text below, substituting in the GPG key ID you'd like to use. In this example, the GPG key ID is 3AA5C34371567BD2:
```
$ git config --global user.signingkey 3AA5C34371567BD2
```

Note: X.509 keys are not supported on Linux. You can configure gpgsm to provide encryption and signing services, however, this is not currently supported by GitHub Enterprise. For more information, see the gpgsm topic in the GnuPG documentation.

Telling Git about your GPG key

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

If you don't have a GPG key that matches your committer identity, you need to associate an email with an existing key. For more information, see "Associating an email with your GPG key".

If you have multiple GPG keys, you need to tell Git which one to use.

Open TerminalTerminalGit Bashthe terminal.
Use the gpg --list-secret-keys --keyid-format LONG command to list GPG keys for which you have both a public and private key. A private key is required for signing commits or tags.
```
$ 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.

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

$ gpg --list-secret-keys --keyid-format LONG
/Users/hubot/.gnupg/secring.gpg
  ------------------------------------
sec   4096R/3AA5C34371567BD2 2016-03-10 [expires: 2017-03-10]
uid                          Hubot 
ssb   4096R/42B317FD4BA89E7A 2016-03-10

To set your GPG signing key in Git, paste the text below, substituting in the GPG key ID you'd like to use. In this example, the GPG key ID is 3AA5C34371567BD2:
```
$ git config --global user.signingkey 3AA5C34371567BD2
```
To add your GPG key to your bash profile, paste the text below:
```
$ test -r ~/.bash_profile && echo 'export GPG_TTY=$(tty)' >> ~/.bash_profile
$ echo 'export GPG_TTY=$(tty)' >> ~/.profile
```
Note: If you don't have .bash_profile, this command adds your GPG key to .profile.

Telling Git about your signing key

Telling Git about your GPG key

Telling Git about your GPG key

Telling Git about your GPG key

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