The issues of exporting/importing certificate , private key under keychain access for Iphone

Question

I want to export the certificate and private key from one machine to another so I can reuse the provisioning profile.

There\'s a private key under the certificate in

Answer 1

With Xcode 5.0+, this has become very simple.
1. On the computer with the developer credentials, Goto Xcode->Preferences->Accounts.
Click on the gears to export the profile. Choose a password as it includes all your credentials of apple-developer program.
2. Share the exported file with the new computer.
3. Import the profile in your Xcode->preferences->Accounts.