On the Apple IOS Provisioning Portal, under Distribution> Prepare Application, there is a strong signal that it is important that I keep my private key. (To see it, click on “Obtain iOS Distribution Certificate”, then “Save Private Key and Transfer to Other Systems”.) Here's what he says:
It is very important to keep the secret key in a safe place if you need to create an application on several Mac computers or decide to reinstall the system OS. Without your private key, you cannot sign binary files in Xcode and there you will not be able to download the application in the App Store or install the application on any Apple device. When a CSR is created, access to the Keychain Access application creates a private key in your login chain. This private key is tied to your user account and cannot be reproduced in case of loss due to reinstalling the OS. If you plan to develop and test several systems, you will need to import your private key to all the systems that you will work on.
- To export your private key and certificate for secure storage, open the Access Keychain application and select the Keys category.
- Highlight the private key associated with the iOS distribution certificate and select Export Elements from the File menu. Save your key as a personal information file (.p12).
- You will be prompted to create a password that will be used when you try to import this key on another computer.
- Now you can transfer this .p12 file between systems. Double-click on .p12 to install on the system. You will be asked to enter the password that you entered above.
I can’t understand which secret key needs to be saved, and I don’t quite understand how it all works.
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