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Deleting a Certificate

Remember that previously encrypted data cannot be decrypted if the certificate used has been deleted!

To delete your private certificate stored on a computer's hard drive, follow the instructions below. To delete the certificate from an eToken, take your eToken to your department's IT support office or the IT Service Desk and ask them to format it for you.

Firefox 1.5 or 2.0 

Select the Options option from the Tools menu (or Preferences from the Firefox menu on Mac OS X) and click on the Advanced icon. Select the Security tab (version 1.5) or the Encryption tab (version 2.0 and later), then select View Certificates. Personal certificates are listed on the Your certificates tab. Select the certificate, then click the Delete button.

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Netscape 7.x 

Select the Preferences option from the Edit menu, open the Privacy & Security category in the left column, then select Certificates. Click on the Manage Certificates button. Personal certificates are listed on the Your certificates tab. Select the certificate, then click the Delete button.

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Safari 1.2.2 and Later

On a Max OS X computer, click on the Go menu, open the Applications folder, then open the Utilities folder. Run the KeyChain Access utility program. In the Keychain Access program under the Category All Items (or you can search in the list for the following), you want to select the Dartmouth CertAuth1 (in the System Keychain in Safari 3), the public and private key(s) entitled key from collegeca.dartmouth.edu (in the Login Keychain in Safari 3), and the <your name> certificate that is entitled with your name (in the Login Keychain in Safari 3). You can select them as a group or individually, then select Delete from the Edit menu (or click on the Delete button in the Tool bar).

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Last Updated: 2/15/10