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Development workflows for signed code?
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Development workflows for signed code?


  • Subject: Development workflows for signed code?
  • From: Jack Repenning <email@hidden>
  • Date: Mon, 8 Dec 2008 20:12:19 -0800

I'm just dipping my toes into the world of signed code. After spending some time with the Code Signing guide, I'm still not clear on how this affects the work flows around my product (SCPlugin, http://scplugin.tigris.org , which adds Subversion capabilities to Finder), partly because of some peculiarities it has:

- It's a Finder plugin, not an app
- It's open-source, so the developers don't work for the same company, and I need to make it very easy for developers to start
- Many devs work on Tiger, where codesign is not available (release happens from Leopard)


I think I know how to generate "identities" and sign the plugin bundle. I see claims that self-signed certs are good enough for developers. What I'm not clear on, primarily, is what are the effects of mixing up copies of the same bundle signed with different identities? Will there be pop-ups that mention the certifying identity, for instance? Will there be difficulties installing one version over another (where the signing identity changes)?

My experiments so far seem to show that none of those things happens. In fact, even if I modify one of the files, so that "codesign -v" no longer likes the bundle, it still seems to work. Is "codesign -v" the only (Leopard) thing that cares about all this?


-==- Jack Repenning email@hidden Project Owner SCPlugin http://scplugin.tigris.org "Subversion for the rest of OS X"


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