Exporting Root Certificate to File from macOS

This section provides a tutorial example on how to export a trusted root CA certificate pre-installed on macOS computer into a certificate file in binary .cer format.

In previous tutorial, we learned how to access certificates pre-installed on macOS. Now let's see if we can export a certificate out of macOS.

1. Repeat steps listed in the previous tutorial until you see the Keychain Access window.

2. Click "System Roots" keychain, then "Certificates" category on the left pane. And select "VeriSign Class 3 Public Primary Certification Authority - G5".

3. Click "File > Export Items" menu. The "Save As" dialog box shows up.

4. Select "Certificate (.cer)" format.

5. Change the file location and file name to ~\temp\VeriSign_Root_CA.cer.

6. Click the "Save" button, then "Finish" button. The selected certificate will be exported into the specified file.

Export Certificate from Keychain Access
Export Certificate from Keychain Access

Table of Contents

 About This Book

 Macintosh OS (Operating System) History

 macOS Operating System

 macOS File Systems

 macOS Network Connections

 System and Application Processes

 Keychain Access - Password Manager

Keychain Access - Certificate Manager

 Using Keychain Access as Certificate Manager

 Listing of Trusted Root CA in macOS

Exporting Root Certificate to File from macOS

 Delete/Untrust Certificates from macOS

 Import Server Certificates to macOS

 Create My Own Root CA on macOS

 Review My Root CA Certificate on macOS

 Review Private Key of My CA Certificate on macOS

 Generate CSR (Certificate Signing Request) on macOS

 Issue New Certificate with My CA on macOS

 Verify Certificate Signed by My CA on macOS

 Manage Keychains with Commands

 Keychain File Locations on macOS

 CA Certificates at "/etc/ssl | /private/etc/ssl"

 Productivity Tools on macOS

 Programming Tools on macOS

 Apache Web Server on macOS

 Develop and Run Java Applications

 Full Version in PDF/EPUB