Fileopen DRM for PDF circumvented

tetrachroma · 06-13-2010, 10:08 AM

More information on my blog

[Link deleted - MODERATOR]

owl123 · 06-21-2010, 09:44 AM

Thank you! Finally I'll be able to *buy* and read some stuff that was unusable for me before.

EpS · 11-17-2010, 02:53 PM

Used ineptpdf8.4.48 for PDF-file with Adobe LiveCycle Policy (Adobe.APS[adbe.pdrl.v0]) 128-bit security v.4 protection without password or key file input. Got the error: Cannot find principal key for this pdf. Does anyone know the solution?

tetrachroma · 11-19-2010, 07:33 AM

You need a principalkey for every publisher (which you can sniff out of the network connection). Check out the information in the comments on my blog.

globus999 · 11-24-2010, 11:50 AM

Quote:

Originally Posted by tetrachroma

You need a principalkey for every publisher (which you can sniff out of the network connection). Check out the information in the comments on my blog.

Hi,
As I am not a person with a medium (or a low) know-how with regards to Apache, I am stuck without a principal key. However, what I can do is to run a sniffer such a WireShark. Using this method, would I be able to pick-up the PrincipalKey from the logs? Or will the key be encrypted itself? I am asking since I have dawsonera books but no key … ;-/ Thank you kindly.

Lost1 · 12-21-2010, 06:41 PM

Yesterday I've successfully decrypted several PDFs encrypted with Policy Server.
I obtained the PDFs from our online library.
First ineptkey couldn't find the key, but after installing ADE ineptkey automatically found one although ADE couldn't load the PDFs.
Today I wanted to decrypt other PDFs from the same online library, but it doesn't work anymore. I get the message "Offlinekey cannot be decrypted".
I'll try to sniff the PrincipalKey with Wireshark. Maybe I can find it.
Thanks for your scripts!
They worked great yesterday for me!

tetrachroma · 12-25-2010, 04:57 AM

Quote:

Originally Posted by Lost1

Yesterday I've successfully decrypted several PDFs encrypted with Policy Server.
I obtained the PDFs from our online library.
First ineptkey couldn't find the key, but after installing ADE ineptkey automatically found one although ADE couldn't load the PDFs.
Today I wanted to decrypt other PDFs from the same online library, but it doesn't work anymore. I get the message "Offlinekey cannot be decrypted".
I'll try to sniff the PrincipalKey with Wireshark. Maybe I can find it.
Thanks for your scripts!
They worked great yesterday for me!

Wireshark won't work (connection is encrypted). You have to setup an Apache + PHP Linux server as described in the blog's comments.

Anyway I suspect they haven't changed the PrincipalKey, just increased the MinorKeyRevision so that the PrincipalKey has to be transformed with the MKRevision (in a not yet known way).

Lost1 · 12-25-2010, 07:05 AM

I was afraid it won't work.
Tried it anyway. Unsuccessful as you said ;-)
Maybe I'll try to setup an apache server.
Thank you!

Lost1 · 12-29-2010, 01:58 PM

The new version is working again!
Thank you!

PDF XChange Viewer is complaining though that the document is broken:

Didn't find any problems yet. Just resaved the document and the document is fine.

joblack · 12-31-2010, 04:33 AM

Quote:

Originally Posted by Lost1

Yesterday I've successfully decrypted several PDFs encrypted with Policy Server.
I obtained the PDFs from our online library.
First ineptkey couldn't find the key, but after installing ADE ineptkey automatically found one although ADE couldn't load the PDFs.
Today I wanted to decrypt other PDFs from the same online library, but it doesn't work anymore. I get the message "Offlinekey cannot be decrypted".
I'll try to sniff the PrincipalKey with Wireshark. Maybe I can find it.
Thanks for your scripts!
They worked great yesterday for me!

They updated the key

Exchange to the recent key in the script as described by Neisklar and Tetrachroma in

http://www.boerse.bz/boerse/dokument...ml#post3804604

Lost1 · 12-31-2010, 11:50 AM

Thank you joblack!
I'm also following the thread there. Didn't test it yet, 'cause I have no new ebooks.
I wish everyone a happy new year!

MATRIX5000 · 01-25-2011, 04:10 AM

Helo
I used ineptpdf 8.4.50 to Decrypt file pdf. File was incomplete, missing a few pages. How this repair.

joblack · 01-27-2011, 07:11 PM

Quote:

Originally Posted by MATRIX5000

Helo
I used ineptpdf 8.4.50 to Decrypt file pdf. File was incomplete, missing a few pages. How this repair.

This is a well known pdf parser problem. No immediate solution is available and as Tetrachroma (and others) explained a pdf format expert is probably needed to solve the problem.

knhoj18 · 02-03-2011, 06:32 AM

Hey, I’m having trouble. I have the 8.4.48, but I keep getting the "Pywin extention (win32API module) needed" error. I’ve already downloaded the Pywin32-214 stuff, but I’m not sure how to install it. I click on the setup icon in the Pywin 32-214 subfolders and something pops up like MSDOS but then disappears real quick. I’m sort of a rookie and hoping someone can guide me in the right direction. How do you install the Win32 stuff?

procedures i did = Phyton 2.7 installed > Pycrypto 2.1.win32-py2.7 installed > Pywin32-214 downloaded and extracted.

I hope you could help me on this thank you in advance!

orange99 · 02-04-2011, 03:12 PM

Hello. I am using 8.4.51 to try to remove DRM from a FileOpen pdf. I am simply getting:

Error: 'Error'

Enabling debug, in the debug file I see what looks like a bunch of variables and their values. Then a long settings url. Then Settings and Retval=answer. Then a 1st url and then a 1st preresult. I don't know if there is supposed to be more info or not. Anything I can do to troubleshoot some more?

06-13-2010, 10:08 AM	#1
tetrachroma Junior Member Posts: 6 Karma: 258 Join Date: Jun 2010 Device: none	FileOpen Plugin DRM for PDF circumvented More information on my blog [Link deleted - MODERATOR] Last edited by Dr. Drib; 11-04-2016 at 08:25 AM.

Similar Threads
Thread	Thread Starter	Forum	Replies	Last Post
Adobe ADEPT DRM for PDF circumvented	i♥cabbages	PDF	832	01-23-2013 01:23 AM
Adobe ADEPT DRM for EPUB circumvented	i♥cabbages	ePub	969	08-28-2011 09:52 AM
Barnes & Noble DRM for EPUB circumvented	i♥cabbages	ePub	83	01-30-2011 03:55 PM
WH Smith - geo-restrictions circumvented	geertm	News	10	09-12-2010 08:21 AM
FileOpen DRM Plugin	joblack	PDF	7	05-24-2010 03:06 PM

06-21-2010, 09:44 AM	#2
owl123 Addict Posts: 234 Karma: 214 Join Date: Nov 2008 Device: Galaxy Note 3, Galaxy NotePro 12.2, InkBook	Thank you! Finally I'll be able to buy and read some stuff that was unusable for me before.

11-17-2010, 02:53 PM	#3
EpS Junior Member Posts: 1 Karma: 10 Join Date: Nov 2010 Device: none	Used ineptpdf8.4.48 for PDF-file with Adobe LiveCycle Policy (Adobe.APS[adbe.pdrl.v0]) 128-bit security v.4 protection without password or key file input. Got the error: Cannot find principal key for this pdf. Does anyone know the solution?

11-19-2010, 07:33 AM	#4
tetrachroma Junior Member Posts: 6 Karma: 258 Join Date: Jun 2010 Device: none	You need a principalkey for every publisher (which you can sniff out of the network connection). Check out the information in the comments on my blog.

12-21-2010, 06:41 PM	#6
Lost1 Junior Member Posts: 4 Karma: 10 Join Date: Dec 2010 Device: none	Yesterday I've successfully decrypted several PDFs encrypted with Policy Server. I obtained the PDFs from our online library. First ineptkey couldn't find the key, but after installing ADE ineptkey automatically found one although ADE couldn't load the PDFs. Today I wanted to decrypt other PDFs from the same online library, but it doesn't work anymore. I get the message "Offlinekey cannot be decrypted". I'll try to sniff the PrincipalKey with Wireshark. Maybe I can find it. Thanks for your scripts! They worked great yesterday for me!

12-25-2010, 07:05 AM	#8
Lost1 Junior Member Posts: 4 Karma: 10 Join Date: Dec 2010 Device: none	I was afraid it won't work. Tried it anyway. Unsuccessful as you said ;-) Maybe I'll try to setup an apache server. Thank you!

12-29-2010, 01:58 PM	#9
Lost1 Junior Member Posts: 4 Karma: 10 Join Date: Dec 2010 Device: none	The new version is working again! Thank you! PDF XChange Viewer is complaining though that the document is broken: Didn't find any problems yet. Just resaved the document and the document is fine.

12-31-2010, 11:50 AM	#11
Lost1 Junior Member Posts: 4 Karma: 10 Join Date: Dec 2010 Device: none	Thank you joblack! I'm also following the thread there. Didn't test it yet, 'cause I have no new ebooks. I wish everyone a happy new year!

01-25-2011, 04:10 AM	#12
MATRIX5000 Junior Member Posts: 1 Karma: 10 Join Date: Jan 2011 Device: Ssss	Helo I used ineptpdf 8.4.50 to Decrypt file pdf. File was incomplete, missing a few pages. How this repair.

02-03-2011, 06:32 AM	#14
knhoj18 Junior Member Posts: 1 Karma: 10 Join Date: Feb 2011 Device: none	Hey, I’m having trouble. I have the 8.4.48, but I keep getting the "Pywin extention (win32API module) needed" error. I’ve already downloaded the Pywin32-214 stuff, but I’m not sure how to install it. I click on the setup icon in the Pywin 32-214 subfolders and something pops up like MSDOS but then disappears real quick. I’m sort of a rookie and hoping someone can guide me in the right direction. How do you install the Win32 stuff? procedures i did = Phyton 2.7 installed > Pycrypto 2.1.win32-py2.7 installed > Pywin32-214 downloaded and extracted. I hope you could help me on this thank you in advance!

02-04-2011, 03:12 PM	#15
orange99 Junior Member Posts: 2 Karma: 10 Join Date: Feb 2011 Device: none	Hello. I am using 8.4.51 to try to remove DRM from a FileOpen pdf. I am simply getting: Error: 'Error' Enabling debug, in the debug file I see what looks like a bunch of variables and their values. Then a long settings url. Then Settings and Retval=answer. Then a 1st url and then a 1st preresult. I don't know if there is supposed to be more info or not. Anything I can do to troubleshoot some more?

Advert

Advert