Resolve Code Sign error: The identity ‘iPhone Developer’ doesn’t match any valid certificate/private key pair in the default keychain

I ran into following error when clicking Build > Build and Go after you open your .xcodeproj file in XCode. I was attempting to download and run my iPhone app on my iPhone device (not the simulator).

XCode Error

Code Sign error: The identity ‘iPhone Developer’ doesn’t match any valid certificate/private key pair in the default keychain
The error means you need to create your provisioning profile (.mobileprovision file) and/or certificate (.cer file). To create both, first log into the iPhone Dev Center. Then click on the iPhone Developer Program Portal on the right:

iPhone Dev Center

Then click on “Launch Assistant” button (which will walk you through creating and installing the provisioning profile and certificate):

iPhone Developer Program Portal

See larger image Beginning iPhone 3 Development: Exploring the iPhone SDK (Paperback) By (author) David Mark, Jeff LaMarche List Price: $39.99 USD New From: $1.87 In Stock Used from: $0.01 In Stock

See larger image The iPhone Developer's Cookbook: Building Applications with the iPhone 3.0 SDK (2nd Edition) (Paperback) By (author) Erica Sadun List Price: $49.99 USD New From: $8.25 In Stock Used from: $1.45 In Stock

This entry was posted on Wednesday, December 16th, 2009 at 12:59 PM and is filed under Errors, Insights. You can follow any responses to this entry through the RSS 2.0 feed. You can skip to the end and leave a response. Pinging is currently not allowed.