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Old 02-26-2010, 10:25 AM   #211
jbjb
Somewhat clueless
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Join Date: Nov 2008
Location: UK
Device: Kindle Oasis
Quote:
Originally Posted by DawnFalcon View Post
(Also, you're quite wrong - example: One Time Pads. Immune to "breaking" when used correctly)
One-time pads, while unbreakable when used correctly as an encryption scheme, are not particularly useful for DRM!

To be unbreakable, the reading device would have to be preprogramed with a set of pad keys, unique to each device, whose total size was at least equal to the total size of all the books you would ever read in the lifetime of that device.

/JB
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