Quote:
Originally Posted by acidzebra
And not to sound pessimistic, but if this is true I deem epub a non-starter.
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It is true, but -- as we seem to agree -- you can't have an open DRM scheme anyway. The EPUB OCF specifies a structure for encryption (encryption per-file in the ZIP archive, parameters specified in META-INF/encryption.xml in terms of the XML Encryption rec) but leaves the encryption methods to vendor-specified DRM schemes.
I think this is a minor problem -- EPUB is still the first open specification publishers are actually supporting, even if only on their backend with tools which operate in terms of the IDPF OEBPS specs other than OCF. We won't see all the benefits of that until publishers drop DRM, but it's still better than any other e-book format on the market.