Quote:
Originally Posted by TadW
I disagree. Security through obscurity ("based onsecrets") won't protect your data. Always assume that the enemy knows the system. "Open DRM" is possible if you rely on open, secure cryptographic algorithms.
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At some point you are going to have give people the key so they can unlock and use their locked content, so I think DRM is a total fail. I do agree your point is valid for cryptosystems in general - secrecy is stupid.
Quote:
Originally Posted by 6charlong
Please be aware that epub does not specify how books are encrypted, so it is not true that epub is a standard end-customer format for encrypted titles. Each vendor is currently using their own proprietary encryption scheme for epub.
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And not to sound pessimistic, but if this is true I deem epub a non-starter.