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authora980e066a01 <[email protected]>2022-02-22 23:47:51 +0000
committernoDRM <[email protected]>2022-03-18 15:45:39 +0000
commitc5aebcca016f96520dc941651a49992472a4f0e4 (patch)
treececd9a164dabb7b6f19d7a34a87c27f70fcd2a5a /FAQs.md
parenta1dd63ae5f48d8320b94efc79ffc2fc8e829988e (diff)
Add support for "hardened" Adobe DRM
What took the most time was not reverse-engineering the scheme, but actually finding books using it... Closes #20, #25, #45
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@@ -14,9 +14,6 @@ Just download and use these tools, that's all! Uh, almost. There are a few, uh,
* The tools don't work on all ebooks. For example, they don't work on any ebooks from Apple's iBooks store.
* You must own the ebook - the tools won't work on library ebooks or rented ebooks or books from a friend.
* You must not use these tools to give your ebooks to a hundred of your closest friends. Or to a million strangers. Authors need to sell books to be able to write more books. Don't be mean to the authors.
-* Do NOT use Adobe Digital Editions 3.0 or later to download your ePubs. ADE 3.0 and later might use a new encryption scheme that the tools can't handle. While major ebook stores aren't using the new scheme yet, using ADE 2.0.1 will ensure that your ebooks are downloaded using the old scheme. Once a book has been downloaded with the new scheme, it's IMPOSSIBLE to re-download using the old scheme (without buying it again).
-
-But otherwise, if your ebook is from Amazon, Kobo, Barnes & Noble or any of the ebook stores selling ebooks compatible with Adobe Digital Editions 2.0.1, you should be able to remove the DRM that's been applied to your ebooks.
### Recent Changes to Kindle for PC/Kindle for Mac
Starting with version 1.19, Kindle for PC/Mac uses Amazon's new KFX format which isn't quite as good a source for conversion to ePub as the older KF8 (& MOBI) formats. There are two options to get the older formats. Either stick with version 1.17 or earlier, or modify the executable by changing a file name (PC) or disabling a component of the application (Mac).
@@ -144,9 +141,6 @@ You have found a Print Replica Kindle ebook. This is a PDF in a Kindle wrapper.
## Do the tools work on books from Kobo?
If you use the Kobo desktop application for Mac or PC, install the Obok plugin. This will import and remove the DRM from your Kobo books, and is the easiest method for Kobo ebooks.
-## I registered Adobe Digital Editions 3.0 or later with an Adobe ID before downloading, but my epub or PDF still has DRM.
-Adobe introduced a new DRM scheme with ADE 3.0 and later. Install ADE 2.0.1 and register with the same Adobe ID. If you can't open your book in ADE 2.01, then you have a book with the new DRM scheme. These tools can't help. You can avoid the new DRM scheme by always downloading your ebooks with ADE 2.0.1. Some retailers will require ADE 3.0 or later, in which case you won't be able to download with ADE 2.0.1.
-
## I cannot solve my problem with the DeDRM plugin, and now I need to ‘post a log’. How do I do that?
Remove the DRMed book from calibre. Click the Preferences drop-down menu and choose 'Restart in debug mode'. Once calibre has re-started, import the problem ebook. Now close calibre. A log will appear that you can copy and paste into a comment at Apprentice Alf's blog, or into a new issue at Apprentice Harper's github repository.