Keys dvd.keys.tar.gz

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LinuxMCE Forums > LinuxMCE > Installation issues > Keys dvd.keys.tar.gz

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Topic: Keys dvd.keys.tar.gz (Read 627 times)

garg_art2002

Regular Poster

Posts: 27

Keys dvd.keys.tar.gz

« on: August 21, 2009, 01:16:34 am »

In trying to recover a broken Linux MCE, I noticed that there are many files <movie_name>.dvd.keys.tar.gz

What are these? And what is the significance of their loss?

How can they be recreated from <movie_name>.dvd file which is about 7GB in size?

Many thanks.


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Linux MCE. Next best thing since slice of bread. (Audio, Video, Webserver, NAS - All rolled into one cool appliance).

merkur2k

Addicted

Posts: 513

Re: Keys dvd.keys.tar.gz

« Reply #1 on: August 21, 2009, 04:08:58 am »

they are the css encryption keys for the dvd. as far as i know, there is no way to recover them without having the original dvd. it would kinda defeat the purpose if they were embedded in the iso Wink


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krys

Addicted

Posts: 583

Re: Keys dvd.keys.tar.gz

« Reply #2 on: August 21, 2009, 04:36:20 pm »

It was my impression that just playing the movie file would create the new key, no need for the original disk. As long as you have libdvdcss2 installed.
-Krys


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tschak909

LinuxMCE God

Posts: 5101

DOES work for LinuxMCE.

Re: Keys dvd.keys.tar.gz

« Reply #3 on: August 21, 2009, 05:22:34 pm »

the keys file is literally just a cache of the decoded keys from libdvdcss, so that it doesn't have to decrypt them again from the disk, resulting in slightly faster playback.

-Thom


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