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Old 10-16-2009, 11:33 AM   #1 (permalink)
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Does EVERY iteration of an app need a new signature (assume for a minute that it's already been determined that the app does in fact need signed). Do I really need to pay $20 everytime I add new features and/or fix a bug?

And each individual app needs a separate signature too--right?

This could end up being an expensive proposition for me--I've got several apps that in mind that *I* wanted for my own use but don't really see them as popular enough to sell a lot of.

Yes--I've searched. Everything I've found either explains the use of the Signature Authorization Tool or talks about removing the "Sent from my Blackberry" signature from email.
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Old 10-16-2009, 11:46 AM   #2 (permalink)
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The signature is based on a checksum (SHA1) of the application. So yes any time you change anything it needs to be resigned. That said, the keys are good for something like 2+billion signatures so it is unlikely you will ever have to pay $20 again.
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Old 10-16-2009, 02:05 PM   #3 (permalink)
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Thanks. I had previously read that I had to sign everything again--but thought that menat BUYING a new signature.

I just found another source that says pretty much the same thing.

Re: Code Signing....... - BlackBerry Support Community Forums
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