In this article, we are going to help those who are looking for a way to remove the DRM from EPUB (the most popular eBook format) eBooks. Digital rights management, short for DRM, is a set of access control technologies for restricting the use of proprietary hardware and copyrighted works, and different vendors adopt different DRM systems to stop users from copying, printing and sharing eBooks.ĭue to the DRM protection, we are unable to save them as local files and are confined to read eBooks with specific app or devices.
#Is there a way to remove drm from epub file full#
Though eBooks provide us with great convenience, we are limited to make full use of the eBooks we purchased in some ways. Compared to traditional printed books, the most distinct advantage of eBooks is that they are readable on a “ flat-screen”, such as on e-Readers (devices specifically designed for reading eBooks), computers, tablets, smartphones…
also took the time to wrap all of his findings up into a neat little tool called OMCStrip, which as you may have guessed, strips the DRM from ADEPT-protected eBooks with ease. After a bit of digging, he finds all the data he needs to strip the DRM from his books. The final part of discussion digs even deeper into the OverDrive Console’s inner workings, where he finds that the OverDrive Media Console stores quite a bit of information in an SQLite database.
When he then tries to strip the ADEPT DRM layer from his books however, he discovers that OverDrive is using a non-compliant version of the ADEPT standard, which renders existing tools useless. The second part takes a close look at the OverDrive Media Console itself, where he uses the ineptkey and ineptepub utilities written by to pull the RSA cipher keys from the EPUB data he uncovered. The topic is broken down into three parts, starting with an introduction to the EPUB file structure, the OverDrive Media Console, as well as the aforementioned ADEPT DRM scheme.
His research centers around Adobe’s ADEPT digital rights management scheme, which is used to protect the books offered on loan by OverDrive. He wondered what recourse users had if they wanted to view a book they have already checked out on a different, or unsupported piece of hardware. He checked out a couple of books, which got him thinking about how the copy protection scheme was implemented. Local library recently started lending eBooks via the OverDrive Media Console system.
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