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Installing and Managing Certificates for Mac using CertAid 2.x

Using CertAid 2.x to Install Certificates on Mac OS X 10.7 and newer

Follow these steps to install/renew your certificates for use in Safari.

  1. 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.
    Welcome screen
  2. Select Request or renew an MIT certificate and click Continue.
    Result: The Verify Your Identity screen is displayed.
    Authentication screen
  3. Enter your Kerberos username, Kerberos password, and MIT ID number, and click Continue.
    Result: The Request Certificate screen is displayed.
    Request certificate screen
  4. 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.
    Install certificates screen
    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?.
  5. 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.
    Progress bar
    Result: The Identity Preferences screen is displayed.
  6. The Identity Preferences window displays the progress of configuring your personal certificate to work with certain certificate-protected MIT websites. Once completed, click Done.
    Completed installation
    Result: CertAid quits.
  7. The first time you attempt to use your new certificate, you will see this prompt. Click Always Allow.
    Access prompt

Using CertAid 2.x to Configure Existing Certificates on Mac OS X 10.7 & newer

See: CertAid for Safari and Google Chrome

IS&T Contributions

Documentation and information provided by IS&T staff members


Last Modified:

June 16, 2017

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