In the Apple Provisioning Portal "How" in the "Certificates" section there is a section "Saving a secret key and transferring to other systems". Now this is what I am doing (I rebuilt my machine on a new hard drive and therefore have access to my previous OS build) and I am looking for a backup of my private key so that I can install it on a new OS build and run again Adds iPhone application codes.
The problem is that, as stated in the backup of the public certificate <First Name> <Last> which is associated with this. "(Although the image is a private key):

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