To install a TLS certificate on macOS, you can follow the steps below:
1. Open the “Certificate Assistant”:
– Launch the “Keychain Access” application on your Mac. You can find it in the “Utilities” folder within the “Applications” folder.
– From the “Keychain Access” menu, select “Certificate Assistant” and then choose “Create a Certificate”.
2. Create your Certificate:
– In the “Certificate Assistant” window, select the “Create a Certificate Identity” option and click on the “Continue” button.
– Fill in the required information such as Common Name, Email Address, and Identity Type.
– Click on the “Continue” button to proceed.
3. Configuring Validity:
– Specify the validity period for your certificate by entering the desired number of years or selecting a specific date range.
– Click on the “Continue” button.
4. Configuring the Organizational Unit:
– Enter the details for the Organizational Unit, such as Name and Email Address.
– Click on the “Continue” button.
5. Choose an Issuer:
– Select the Certificate Authority (CA) that will issue your certificate. You can choose either “Self-Signed Root” or “Custom Root”.
– If you choose “Custom Root”, you will need to provide the CA’s certificate.
– Click on the “Continue” button.
6. Key Pair Information:
– Choose the key size for your certificate. It is recommended to use a minimum key size of 2048 bits for security.
– Select the algorithm for the key pair, such as RSA or ECC.
– Click on the “Continue” button.
7. Key Usage Extension:
– Specify the key usage for your certificate. This determines the purposes for which the certificate can be used.
– For a TLS certificate, select the “Secure Socket Layer (SSL)” option.
– Click on the “Continue” button.
8. Extended Key Usage Extension:
– Specify the extended key usage for your certificate. This further restricts the purposes for which the certificate can be used.
– For a TLS certificate, select the “TLS Web Server Authentication” option.
– Click on the “Continue” button.
9. Review and Create:
– Review the details you have provided for your certificate.
– If everything looks correct, click on the “Create” button to generate the certificate.
10. Install the Certificate:
– The newly created certificate will be added to the Keychain Access application.
– Locate the certificate in the “My Certificates” category and double-click on it.
– In the certificate details window, expand the “Trust” section and set the “When using this certificate” option to “Always Trust”.
– Close the certificate details window.
Congratulations! You have successfully installed a TLS certificate on your Mac. You can now use this certificate for development purposes, such as securing your local server.