Note
To use SSH certificate authorities, your organization must use GitHub Enterprise Cloud. For more information about how you can try GitHub Enterprise Cloud for free, see Setting up a trial of GitHub Enterprise Cloud.
Managing Git access to your organization's repositories
You can add an SSH certificate authority (CA) to your organization and allow members to access the organization's repositories over Git using keys signed by the SSH CA.
About SSH certificate authorities
With an SSH certificate authority, your organization or enterprise account can provide SSH certificates that members and outside collaborators can use to access your resources with Git.
Managing your organization's SSH certificate authorities
You can add or delete SSH certificate authorities from your organization.