1. Save your private key to local hard disk
- in keychain access application, export private key associated with your iPhone dev. cert.
2. Transfer the saved key to other dev. system
- the extension of the file is .p12
3. You can import the transfered key in other dev. system by double-clicking the .p12 file
The detailed information is in link below.
key chain access is found at "applications >> utilities >> keychain access"