Before you can use the push services you will need to create a Production and Sandbox push certificate for you application.
After you have downloaded your push certificates, you will need to create a PEM file out of both of them.
- Open the Keychain Access application and select your production certificate and its private key.
- From the File menu select "Export Items..."
- Name the export "Certificates.p12" and save them to your desktop.
- Open a terminal window and change directories to your Desktop