If we are wanting to resign an iPhone app with a different certificate, do we have to change the bundle id?

We have an iPhone app that needs to be resigned by another company for their Enterprise program.

Is the only required step to resign using their certificate? It seems like a new provisioning profile would have to 开发者_StackOverflow中文版be created with a unique bundle id.

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You would need a distribution profile with that certificate and a bundle ID matching the app ID on that profile.