I am going to create a mobile book store for a very specific group of people. Since ePub is just compressed HTML, it's not secure enough. Anyone can access it if I extract the files to SD card. I don't want users copy the E-books around because I sell them for money.
I can parse the file and save it to a database. But I wondered if there is standard way for managing ePub DRM?
Thanks,
What kind of protection you are looking for?
From what i know you are trying to do something which is in the area of R&D plus challeging, at one side you will need to develop content encryption engine and other side a reader which will read encrypted content, these readers should also be supported in major os and mobile plateforms.