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| From: | Remy Blank <remy.blank@×××××.com> | ||
|---|---|---|---|
| To: | gentoo-user@l.g.o | ||
| Subject: | [gentoo-user] Re: Cloning movie DVDs with dd - only works after accessing disk with another command? | ||
| Date: | Tue, 11 Aug 2009 06:52:29 | ||
| Message-Id: | h5r4ei$3tg$1@ger.gmane.org | ||
| In Reply to: | Re: [gentoo-user] Cloning movie DVDs with dd - only works after accessing disk with another command? by Stroller |
||
| 1 | This is just a wild guess, but could the decryption keys be stored in |
| 2 | the DVD drive? Playing the disc with mplayer retrieves the keys (using |
| 3 | libdvdread) and sets them in the drive. From that point, the disc is |
| 4 | readable by all means. When you change the disc, the keys are not valid |
| 5 | anymore. |
| 6 | |
| 7 | As I said, this is a wild guess, I have no actual knowledge about these |
| 8 | things. |
| 9 | |
| 10 | -- Remy |
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