04-18-2012 06:29 AM
So 2.0.1 was released yesterday. Does it bring the promised encryption system for our precious applications?
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04-18-2012 11:20 AM
Possibly. The format of the backup has changed, though it's unclear whether the full set of promised changes (e.g. encryption key tied to BBID) has been implemented or if what's there is just one step along the way.
I'd be a bit leery of relying on this without some sort of technical summary from RIM as to what we're dealing with. A first glance has suggested to some developers that the same key is being used for all PlayBooks at the moment, which if true would make the change worthless for any protection for now.
I haven't examined it myself yet other than to verify it's not the same as it was.
04-19-2012 12:38 PM
This change did arrive with Tablet OS 2.0.1. Backup files (.bbb) are now encrypted with a key that is tied to their BlackBerry ID. This prevents applications from being restored to a PlayBook with a different BlackBerry ID. It also removes the ability to use an archive tool (like WinZip) to easily extract application files from a backup file.