- #Does adobe digital editions 4.5 work with windows 7 pdf#
- #Does adobe digital editions 4.5 work with windows 7 install#
- #Does adobe digital editions 4.5 work with windows 7 update#
Double-click on ineptkey.pyw to execute it. Unzip this file and you would get two files: f26972321.txt and f1cb3663c.txtĥ.
#Does adobe digital editions 4.5 work with windows 7 install#
Download and install Python 2.6.4 from: ģ. Thanks a ton.įor the convenience of those who are having difficulties on the PDF-DRM removal procedure:ġ. DRM is bad, but piracy is wrong kids, and only validates the opinions of those who think they need DRM in the first place.Įdit: script links will change reflect dropped pastebins and new versions.Īwesome!! Works like a breeze. To use, install Python 2.6 (and on Windows P圜rypto), run the key-retrieval script, then run the decryption script using the retrieved key.Īnd on a preachy note, please don't be a jerk with these. Key-retrieval script: ineptkey (version 5)ĭecryption script: ineptepub (version 5.2) The upshot being that if you want to decrypt ADEPT books in the future, grab your key now - no garauntees that you'll be able to do so in the future, but a previously-retrieved key should keep on working. Preventing circumventing decryption with previously retrieved keys would require changes to both DE and Adobe Content Server and would take quite some time to propagate to all ACS customers.
Decryption however is a property of the architecture of the system as a whole.
#Does adobe digital editions 4.5 work with windows 7 update#
Key retrieval depends only on the details of Digital Editions and can change seamlessly with an update to the same. In practical terms, this breaks ADEPT circumvention into two components: key retrieval and decryption. There is very little obfuscation in how Adobe Digital Editions hides and encrypts the per-user RSA key, allowing fairly simple duplication of exactly the same process Digital Editions uses to retrieve it. DRM systems ultimately depend not on the strength of their cryptography, but the complexity of their obfuscation. Unfortunately for Adobe, this isn't a crypto system, but a DRM system. It uses RSA with PKCS#1 v1.5 padding, which is perfectly adequate for this case. It uses AES in CBC mode with a random IV.
#Does adobe digital editions 4.5 work with windows 7 pdf#
The same circumvention probably also allows decryption of ADEPT-encrypted PDF files, although I haven't looked into it yet.ĪDEPT is pretty close to faultless as a crypto system - a per-user RSA key encrypts a per-book AES key which encrypts the content. By way of a concrete reverse-engineering contribution, I have successfully circumvented Adobe's ADEPT DRM scheme for EPUB files.
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