Quote:
Originally Posted by pilotbob
I think the mobipocket format already provides for a read alowed flag. If not then a custom metadata (xmetadata tag) can be added. The OPF file is XML and it certainly looks to be extensible from what I see.
This won't change the DRM or file format at all.
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It it is just a flag in the metadata then it is trivial to enable. So I assume that the implementation must use some encryption or put it in the book content.