Trusting the Physical Sciences Root CA in OS X [back]

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Step 1.

Option-Click here and click "Save Linked File to the Desktop" to download the Physical Sciences Root CA Certificate to your computer.

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Step 2.

Press Apple-F and search for keychain. Doubleclick on the application 'Keychain Access'.

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Step 3.

From the File menu select 'Import Items'.

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Step 4.

From the Desktop select the file you just saved, psrootca.reg. Make sure the Destination Keychain says 'login', and click Open.

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Step 5.

Click 'Always Trust'.

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Step 6.

Enter your password to save the keychain change.

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Step 7.

Double click on 'Physical Sciences Root Certificate' which is now in the 'login' keychain.

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Step 8.

Click the triangle to the left of Trust to view the trust settings. Set the top pulldown ('When using this certificate') to 'Always Trust'. Click the red X to save changes. You will have to enter your password one more time.