Hi Chardelle,
I think I'm almost there...
As of the latest copies of 1.9 (official) and Certificate I downloaded today, the locking appears to be working correctly for me now.
I've not been able to test the changes made for addslashes_object just yet, as I'm getting a new error when I click on the button to receive the certificate. I've filed this in the Tracker under CONTRIB-317.
Custom certificate (plugin)
Certificate Module Problem
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