Thread: Obelisk -- legal distribution of format-shifted copyrighted works
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Old 03-05-2008, 08:10 AM   #10
llasram
Reticulator of Tharn
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Quote:
Originally Posted by JSWolf View Post
How do I use your script to generate a diff file for other content? I'd love to do one for Mistborn based on the PDF to make the LRF from it.
It's symmetric, so:

Code:
python obelisk.py SALT KEYFILE INFILE OUTFILE
For both decryption and encryption. The SALT parameter is some string of your choosing but should not be reused for a particular KEYFILE. For example:

Code:
python obelisk.py sai3sahS 9780765350381.zip Mistborn.lrf sai3sahS#9780765350381.zip#Mistborn.lrf.obelisk
HOWEVER – I am not a lawyer. This certainly seems reasonable given that one needs the original file to reconstitute the derived file, but I don’t really know if Tor and/or your nation’s legal system will see it that way. This is an experiment – use at your own risk.
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