Secure Mobipocket Decoder v0.3 - Page 4

Blue Tyson · 09-09-2007, 04:57 AM

Thanks for the tip, I saw one book I was looking at that was about 5 dollars cheaper there.

Blue Tyson · 09-09-2007, 05:03 AM

Quote:

Originally Posted by Aenea

Hee Karel, well, okay, it's gone now, so

And yes, I do understand, didn't want to make it very public at 1st, but some people were asking for it... Pitty though, I know there are plenty of people like me who didn't buy DRM'd ebooks, now I do...

Aenea

Fair chance you could double their sales of mobipocket only books!

JSWolf · 09-09-2007, 03:39 PM

Quote:

Originally Posted by igorsk

Here's a tool I wrote a while ago for myself which does not use any of Mobipocket's code. Python implementation is not too fast but gets the job done. Was planning to use it for adding secure mobi support to FBReader once I get around to porting it but I guess the cat is out of bag now...

Right now it only decrypts. I do have an implementation of Mobi Huff decompressor but there's some bug in it which causes wrong output at the end of decompressed text... If anyone is willing to debug it, I'll send the source.

Version 0.1

I can help beta test. I have a book that has such encoding that your program fails with. I don't think I can sort out the code issue though.

Quote:

[e:\e-books\mobipocket]demobi.bat itshourcomeround4.prc
demobi.py itshourcomeround4.prc XJ6M28H$B2
Mobipocket decoder v0.1. Copyright (c) 2007 Igor Skochinsky
Encryption: 2
compression: huffman
Mobi publication type: 2
Mobi format version: 4
Decrypting........................................ .........done.
Output written to out.mobi

imaredr · 09-09-2007, 03:46 PM

Quote:

Originally Posted by Aenea

I made a new version v0.4, it's at http://aenea.xs4all.nl/ and it does not contain any copyrighted code from either iRex or Mobipocket...

It is a bit more difficult to get all the necessary files though...

And as for the DMCA, well, I can, as a non-US citizin circumvent a DRM legally...

Aenea

I'd like to know if this works on Windows XP. I am really interested in this app, but I can't make heads or tails on this.

Ellen

wallcraft · 09-09-2007, 05:51 PM

I was able to get v0.4 working under Linux, but not under Windows XP.

If there was no prospect of a solution free of MobiPocket code, then the next obvious step would be to add a simple GUI interface that accessed the existing run.bat script to make it easier to use. This would not help with finding the MobiPocket Java files though.

Since there is a good chance that someone will come up with a stand-alone program to crack MobiPocket files, I suggest waiting a while to see what becomes available.

imaredr · 09-11-2007, 03:03 PM

Thanks Wallcraft! I thought that some of the commands seemed like Linux.

Ellen

Aenea · 09-12-2007, 07:44 AM

Quote:

Originally Posted by imaredr

I'd like to know if this works on Windows XP. I am really interested in this app, but I can't make heads or tails on this.

Ellen

The run.bat is for windows and the run.sh is for Linux... You have to run it from the command-line though...

1) Extract the mp-0.4.zip (or mp-0.3.zip) to C:\mp
2) install Sun's Java JRE (-> java.sun.com)
3) Start menu->Run->cmd.exe
4) C:
5) cd \mp
6) run.bat <prc file> <your PID> <output dir>

<output dir> only wit 0.4 not 0.3...

Aenea

PS. It also runs on Mac OSX or any other platform running Java...

JSWolf · 09-12-2007, 09:11 AM

I'd like to know how to get version 0.4 to run under Windows please. Thanks.

Adam B. · 09-12-2007, 09:25 AM

Quote:

Originally Posted by JSWolf

I'd like to know how to get version 0.4 to run under Windows please. Thanks.

See the post above you. It's very simple as long as Java is installed correctly.

JSWolf · 09-12-2007, 09:38 AM

Quote:

Originally Posted by Adam B.

See the post above you. It's very simple as long as Java is installed correctly.

I have Java properly installed. But I get the following error message...

Exception in thread "main" java.lang.NoClassDefFoundError: org/aenea/mobipocket/MobiDecoder

Adam B. · 09-12-2007, 09:42 AM

It sounds like you don't have the java viewer from the iLiad in the directory.

JSWolf · 09-12-2007, 09:44 AM

Quote:

Originally Posted by Adam B.

It sounds like you don't have the java viewer from the iLiad in the directory.

When it was available I did download the java viewer. But how do I get it out of that container format it's in?

imaredr · 09-12-2007, 02:31 PM

Quote:

Originally Posted by JSWolf

I have Java properly installed. But I get the following error message...

Exception in thread "main" java.lang.NoClassDefFoundError: org/aenea/mobipocket/MobiDecoder

I got the same error

Ellen

Aenea · 09-13-2007, 01:16 PM

Quote:

Originally Posted by JSWolf

I have Java properly installed. But I get the following error message...

Exception in thread "main" java.lang.NoClassDefFoundError: org/aenea/mobipocket/MobiDecoder

the run.bat looks for decoder.zip, MobipocketCoreReader.jar and irex.jar in the same directory as your run.bat... If any one of them is not there it will not work...

Aenea

imaredr · 09-13-2007, 08:29 PM

Quote:

Originally Posted by Aenea

the run.bat looks for decoder.zip, MobipocketCoreReader.jar and irex.jar in the same directory as your run.bat... If any one of them is not there it will not work...

Aenea

So the next question is where are these files? I have no Linux experience and the following directions is where I am thrown. I believe it is for linux so what is the equivalent for Windows? The directions are:

Mount the file app.image as a filesystem image: sudo mount app.image /mnt -o loop
- Copy the needed jar files: cp /mnt/home/intent/*.jar /usr/bin
- Unmount: sudo umount /mnt
- Unzip mp.zip
- Copy run.sh and decoder.zip to /usr/bin

If you have put the script and/or the decoder.zip/jar files not in /usr/bin, you will have to change the run.sh script file.

Ellen

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09-09-2007, 04:57 AM	#46
Blue Tyson Blue Captain Posts: 1,595 Karma: 5000236 Join Date: Feb 2007 Location: Australia Device: Kindle Keyboard 3G,Huawei Ideos X3,Kobo Mini	Thanks for the tip, I saw one book I was looking at that was about 5 dollars cheaper there.

09-09-2007, 05:51 PM	#50
wallcraft reader Posts: 6,977 Karma: 5183568 Join Date: Mar 2006 Location: Mississippi, USA Device: Kindle 3, Kobo Glo HD	I was able to get v0.4 working under Linux, but not under Windows XP. If there was no prospect of a solution free of MobiPocket code, then the next obvious step would be to add a simple GUI interface that accessed the existing run.bat script to make it easier to use. This would not help with finding the MobiPocket Java files though. Since there is a good chance that someone will come up with a stand-alone program to crack MobiPocket files, I suggest waiting a while to see what becomes available.

09-11-2007, 03:03 PM	#51
imaredr Collector Posts: 441 Karma: 1002238 Join Date: May 2005 Location: Harker Heights, Texas Device: Cybook	Thanks Wallcraft! I thought that some of the commands seemed like Linux. Ellen

09-12-2007, 09:11 AM	#53
JSWolf Resident Curmudgeon Posts: 79,798 Karma: 146391129 Join Date: Nov 2006 Location: Roslindale, Massachusetts Device: Kobo Libra 2, Kobo Aura H2O, PRS-650, PRS-T1, nook STR, PW3	I'd like to know how to get version 0.4 to run under Windows please. Thanks.

09-12-2007, 09:42 AM	#56
Adam B. Addicted to Porting Posts: 1,697 Karma: 7194 Join Date: Oct 2006 Location: Indianapolis, IN Device: iRex iLiad, Nokia 770, Samsung i760	It sounds like you don't have the java viewer from the iLiad in the directory.