Instead of using a single device encryption key for Kindle books, each book is now encrypted with a different key. Used in combination with Igorsk’s tool, the two programs have allowed people to remove DRM from Kindle books.īut Amazon changed the encryption scheme when it released the Kindle for PC program, a free application that allows people to read Kindle titles on their PCs. Then, another hacker named “darkreverser” wrote MobideDRM, which could remove the DRM from Mobipocket files. That enabled people to buy Mobipocket books from other vendors and read them on their Kindles. Igorsk developed a tool that generated a “PID,” or a unique device-specific encryption key, used for Kindle e-books that enabled Mobipocket books with DRM to be read, “I love cabbages” said. The Mobipocket format is still relatively popular.Ī hacker named “igorsk” discovered that books in the Mobipocket format with DRM could still be read on the Kindle. “Laws such as the DMCA turn those restrictions into injustice by making their circumvention illegal.”Īmazon’s proprietary “.azw” format is derived from a format called Mobipocket, which came from a French company of the same name that Amazon purchased, “I love cabbages” said in the e-mail exchange. “Primarily, I view DRM as an unnecessary restriction on legitimate freedoms, such as fair use of copyrighted material,” the hacker said in an e-mail exchange. ’s Kindle e-book reader is coming under assault by hackers, who say they’ve figured out ways to export protected content for use on other devices.Īmazon sells content for the Kindle in an “.azw” format, some of which is has DRM (digital rights management) technology, which prevents a file from being transferred to an unauthorized device.īut one blogger, who goes by the handle “I love cabbages,” with a heart to designate “love,” developed a program called “Unswindle” that can convert books stored in the Kindle for PC application into a different file format that can then be imported to another device.
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