Quote:
Originally Posted by eschwartz
What is the purpose of that? How is it more secure than a per-device key, which practically speaking it is?
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Because the per-book key uses a larger range of characters in the key, it's much, much harder to brute-force the key. That's about the only advantage. Apart from the change itself.
But there's no purpose to DRM, so no purpose to changes, either.
