This page will guide you through the installation and renewal of certificates for Safari on Mac OS X.
- Download and launch CertAid 2.
Note: Install any updates if prompted. If you receive a message that states "Certaid can't be opened because the identity of the developer cannot be confirmed", please go to this link: Mac OS X - Identity of developer cannot be confirmed
Result: The Welcome to CertAid screen is displayed.
- Select Request or renew an MIT certificate and click Continue.
Result: The Verify Your Identity screen is displayed.
- Enter your Kerberos username, Kerberos password, and MIT ID number, and click Continue.
Result: The Request Certificate screen is displayed.
- Enter a Certificate Life, or leave the default value (the maximum certificate life), and click Continue.
Note: Most users should accept the default value.
Result: The Install Your Certificates screen is displayed.
Note: If CertAid finds one or more existing certificates, you will be asked if you want to delete them. If you have used S/MIME for email encryption, do not delete your certificates. For more information, see Should I Delete My Old or Expired Personal Certificate?.
- The Install Your Certificates window displays the progress of installing the MIT Certificate Authority and your personal certificate. Once these steps are completed, click Continue.
Result: The Identity Preferences screen is displayed.
- The Identity Preferences window displays the progress of configuring your personal certificate to work with certain certificate-protected MIT websites. Once completed, click Done.
Result: CertAid quits.
- The first time you attempt to use your new certificate, you will see this prompt. Click Always Allow.
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