Quote:
Originally Posted by JohnTheRipper
But the problem is that the dump method is never reached ('cos the ADEPTException), and the question is that the key is 127 bit long when it's RSA decrypted, that's wrong if I debug another PDF correctly decrypted which bookkey is 128-bit long...
PDFParser does his job correctly.
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The problem is that the parser under some circumstances read some garbage data as the key. That's the reason why the script stops.
I would be interested to communicate with a pdf expert. I've got the knowledge over the script and he/she would have deep pdf format knowledge.
But I suppose that won't be happening so the only possible solution is to get more pdf knowledge and do it yourself.
Anyway, I have to say that ILC has made a very good job - there is a lot of deep knowledge in the script. I suppose he was/is in a pdf related job anyway.