05-24-2010, 10:41 AM | #376 |
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I'll see if I can find a current version of Mobidedrm and give that a try then.
I'm not sure I'm computer savy enough to use a hex editor but I may give it a try if the Mobidedrm doesn't work. I have a lot of (apparently textread) .prc's. Thanks for the help. |
05-24-2010, 11:27 AM | #377 |
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From all I have read changing the string in the file will NOT make a difference; the decoding will still fail.
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05-24-2010, 11:27 AM | #378 |
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Mobidedrm 0.16 isn't able to remove the drm either so I'm off to investigate hex editing.
Thanks again to everyone. |
05-24-2010, 12:09 PM | #379 |
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Rather than editting the file, just change the script. You will find at one point where it compares data from the PRC to decode to BOOKMOBI; change that comparison to compare to TEXtREAD (or what ever the exact case was).
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05-24-2010, 01:00 PM | #380 | |
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Quote:
TEXtREAd does not have DRM but is a different format slightly. It can be read by MobiReader but some other readers and converters may not work with it. Dale |
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05-27-2010, 05:34 PM | #381 |
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I have been able to remove the DRM from my TEXtREAd .prc files and convert them to DRM free .mobi files using pdbshred (and microsoft word and Calibre).
Now I just need to figure out how to remove DRM from .tpz files and I'll be totally DRM free. |
05-27-2010, 10:20 PM | #382 |
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There's something out there for the .tpz files, too. I thought it was on the same blogs as the ePub stuff...
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12-27-2010, 12:25 AM | #383 | |
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mobi .prc encrypted files with no pid into Calibre?
Quote:
What I have done so far- I've downloaded and run mobidedrm (0.5) with the PC's PID (god knows what I am supposed to use!) and I get "Invalid encryption: type 1". I also can't seem to get modedrm (using _plugin.py in zip file) into Calibre: It says "No valid plugin found". I've checked and re-checked the file and it looks ok to me. Finally, in frustration, I seek expert help! |
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12-27-2010, 02:22 AM | #384 | |
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Quote:
I don't know of any tool that will decrypt them. Is there any chance of re-downloading them? New downloads might have newer encryption. |
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12-27-2010, 10:19 AM | #385 |
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Hi,
I think if you look in MobiPerl source archive you can find an older tool called pdbshred that can handle these early books. Grab the Mobiperl source and look for a pdbshred.zip file inside. In it you should find a windows pdbshred.exe file that according to others does work on those books. If you are a Mac OSX user and need pdbshred, pm me. KevinH |
12-27-2010, 05:05 PM | #386 |
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Thanks PD and Kevin. Appreciate any help I can get.
I looked at the MobiPerl downloaded source and can't see any reference to pdbshread. Then emailed publisher (Performance Quest) but don't hold out much hope for support for the library of books (~2,000!) I purchased in 2004. At least they still exist, but looks like they have morphed into a mobile device service. Any clues about not being able to plug mobidedrm into Calibre 0.7.35? |
12-27-2010, 05:50 PM | #387 | |
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Quote:
I'd also suggest that the latest k4mobidedrm plug-in in from the large toolset is a better idea. (See Apprentice Alf's blog for details.) |
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12-27-2010, 06:47 PM | #388 |
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I suggest trying the stand alone mobidedrm from the tools_2.4 bundle. I'm afraid that pdurrant is correct that this DRM is not supported, but version 0.05(?) is pretty old - so it is worth trying the latest version.
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12-28-2010, 07:09 PM | #389 | |
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Quote:
MOBI header version = 2, length = 220 Error: cannot decode Mobipocket encryption type 1 Also tried pdbshred and managed- Invalid offset 1182 (49e) ? octets 5 Decompress failed on block #1 (-1)! Bummer. |
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01-05-2011, 09:53 AM | #390 | |
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Hi leebel,
FYI, this is now an experimental version of a new mobidedrm program for type 1 encrypted files that may/should work with your books. Please pm me for details. KevinH Quote:
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conversion, drm, formatting, mobipocket |
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