• Amazon’s DRM – The original Mobipocket encryption in adapted form and applied to its ebooks. Topaz goes by its own encryption system.

  • Apple’s FairPlay DRM – As with all Apple technology, items downloaded via its software can only be accessed via Apple devices.

  • Marlin DRM – Developed by the Marlin Developer Community, a company founded by Intertrust, Panasonic, Sony, Phillips and Samsung – used by online textbook publisher KNO, and can be accessed via either iOS or Android systems. Ej technologies jprofiler 11 13.

  • Whilst Adobe’s ADEPT is the default setting on most devices, Amazon DRM and Apple FairPlay are also common.

    Who uses what?

    Most websites who also sell ebooks will normally produce their own ereaders too. The way it then works out is that customers who buy ereaders from them are then obligated to buy their ebooks from the same website as well. From the authors’ side, all he/she needs to do is submit the manuscript to the website, where the relevant DRM will be applied programmatically. The author does not need to do anything himself. Here’s a low-down on who uses what type of DRM and how they work.

    The retail giant locks all ebooks sold on its website to its Kindle devices or apps using its own DRM. When buying a book from Amazon, you’re essentially buying the “license” to read the book. And to ensure the ebook is read only by the customer, the DRM code matches the Kindle device.

    Books

    Like Amazon, Apple uses its own DRM system (called Fairplay) to items in its bookstore. And like Amazon too, Fairplay is incomptabile with other devices or apps, unless the reader removes the DRM.

    The largest distributor of indie ebooks, Smashwords doesn’t actually use DRM at all. Instead, as the website says restriction-free ebooks enjoy bigger sales (as readers prefer the freedom), none of the books it sells are affected by DRM. Smashwords does write on its website that they “strictly discourage illegal pirating of an author’s works”.

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    Barnes and Noble’s Nook ereader, which supports a form of Adobe Digital Edition (DE) DRM, uses an encryption key based on the customer’s name and credit card number. In 2015, the way in which the encryption key is generated changed – although it is unclear how exactly the encryption takes place. It’s very easy, though, to crack as the key can be found in NookStudy’s log files (yes, it’s right there in plain text!)

    To download and read books on the Kobo device, users have to download the Adobe Digital Editions (ADE) app onto their devices beforehand. Once the DRM-protected ebook is downloaded onto the ereader, ADE will verify the license that comes with the ebook and then download the ebook in either EPUB or PDF format.

    Based on Adobe’s open platform DRM system, Google’s bookstore allows DRM protected books to be opened and read in EPUB and PDF formats. These can then be read on ereaders, including Nook and the Sony Reader, and apps supporting Adobe Content Server 4 DRM. These books can’t be read on Kindles or Apple iBooks, however, as they don’t support Adobe’s DRM.

    Our very own Kotobee platform uses a different approach to the standard DRM. Using cloud technology, an ebook is encrypted with an encryption key, stored on a server, and unique for each user. Once the ebook is opened, the user will be asked for an email/password combination, or for a code. Authenticating correctly would retrieve the encryption key from the server, and decrypt the ebook content. What we see great about this approach is that it is not specific to a certain device model. Rather, this same DRM scheme can protect an ebook running on different devices and in different formats: web, mobile, or desktop. It cannot however be applied directly to standard ebook formats like EPUB or PDF. The ebook needs first to be turned into a cloud ebook app.

    The pros and cons

    It’s hotly debated how effective DRM is – but there are several benefits for authors, publishers and booksellers. DRM means your work is protected against illegal copying or editing – and if this happens your right to take action is protected.

    It also allows publishers to control what happens to the work after it’s been published and released to the audience. Additionally, you can end up with what’s called a “limited lending facility”, allowing you to lend ebooks to a friend or relative – within reason.

    On the other side of the argument, different devices may support the same EPUB format, but ebook sellers will use different DRM schemes when selling books. This difference may seem insignificant, but it does mean you won’t be able to transfer your purchased ebooks to different devices. It means that, for sellers at least, the consumer gets only so many chances at using the ebook on devices, before they have to buy another version.

    For example, if you have an ereader supporting Amazon’s MOBI format, you still may not be able to download or open ebooks bought directly from the Amazon website. Instead, you have to buy an Amazon-specific device (such as a Kindle) or download an app to do this. It means that you may also have to download (and pay for) the same book again if you use a different device to read the same ebook.

    Amazon itself also highlighted one of the many criticisms of DRM in 2009, when it was cricitised for playing “censor”. It had deleted George Orwell‘s books “1984” and “Animal Farm” remotely off devices, giving those who had purchased the books a refund in return. This move earned the website the title of “big brother”, in the vein of Orwell himself, with commentators also criticising Amazon’s use of censorship at a distance. Although the website later argued it didn’t have the rights to sell those copies of Orwell’s texts, it highlighted the argument for DRM to be totally scrapped.

    A further criticism of DRM is that if you switch to a different book store, you will no longer be able to access the book – which will also happen if the bookstore itself folds.

    DRM for authors

    It would help authors to consider several points before taking the plunge into epublishing. These include:

    On the other hand, not all is good:

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    Alternatives

    One recent alternative to DRM put forward is digital watermarking, which makes it easier to read and distribute ebooks. Because ebooks which fall under this alternative are not affected by DRM schemes, they are easier to copy and distribute.

    The most famous example of this “social DRM” can be found with JK Rowling’s Pottermore ebooks. Although it made them easier to pirate and upload elsewhere on the internet, the digital watermarkings still showed the original owners of the pirated versions.

    With all these pros and cons in mind, there is plenty for authors and publishers to consider before placing ebooks online. Although the books, themselves, remain protected and virtually piracy-free, it does mean greater restrictions for consumers and how these ebooks can be used. It may mean that DRM schemes and the way they work in terms of distribution and readability, rather than their ability to protect work, need to be revised to better suit our digital age.

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