38 lines
1.6 KiB
Markdown
38 lines
1.6 KiB
Markdown
---
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title: Checking for existing GPG keys
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intro: 'Before you generate a GPG key, you can check to see if you have any existing GPG keys.'
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redirect_from:
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- /articles/checking-for-existing-gpg-keys
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- /github/authenticating-to-github/checking-for-existing-gpg-keys
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versions:
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fpt: '*'
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ghes: '*'
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ghae: '*'
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topics:
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- Identity
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- Access management
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shortTitle: Existing GPG keys
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---
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{% data reusables.gpg.supported-gpg-key-algorithms %}
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{% note %}
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**Note:** GPG does not come installed by default on macOS or Windows. To install GPG command line tools, see [GnuPG's Download page](https://www.gnupg.org/download/).
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{% endnote %}
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{% data reusables.command_line.open_the_multi_os_terminal %}
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{% data reusables.gpg.list-keys-with-note %}
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3. Check the command output to see if you have a GPG key pair.
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* If there are no GPG key pairs or you don't want to use any that are available for signing commits and tags, then [generate a new GPG key](/articles/generating-a-new-gpg-key).
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* If there's an existing GPG key pair and you want to use it to sign commits and tags, then [add your GPG key to your GitHub account](/articles/adding-a-new-gpg-key-to-your-github-account).
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## Further reading
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* "[Generating a new GPG key](/articles/generating-a-new-gpg-key)"
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* "[Adding a new GPG key to your GitHub account](/articles/adding-a-new-gpg-key-to-your-github-account)"
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* "[Telling Git about your signing key](/articles/telling-git-about-your-signing-key)"
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* "[Associating an email with your GPG key](/articles/associating-an-email-with-your-gpg-key)"
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* "[Signing commits](/articles/signing-commits)"
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* "[Signing tags](/articles/signing-tags)"
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