Add client certificate to keychain on macOS

General

Most applications on macOS (previously named OS X) uses Keychain Access, the operating system certificate store, to avoid forcing users to add/import the certificate in all applications where it's used.

This procedure describes how to add a client certificate to Keychain Access.

The common reason for having to do this is having used the Firefox web browser to obtain a client certificate and you wish to make it available to other applications (for example Safari and Cyberduck).

Instructions

• Launch Keychain Access by opening Finder and navigating Applications -> Utilities -> Keychain Access

• Make sure the login keychain is selected.

• Import Items... on File menu.

• Locate the certificate backup made from Firefox or other web browser.

• Enter the password chosen backup time which protected the certficate and key backup.

• If successful, the imported certificate should appear in the list of certificates for the login keychain.