[vlc-devel] [RFC] VLC and CSA encryption/decryption

Jean-Baptiste Kempf jb at videolan.org
Fri Apr 6 12:22:01 CEST 2012

On Fri, Apr 06, 2012 at 01:08:12PM +0300, Georgi Chorbadzhiyski wrote :
> I was adding support for constant code word decryption in tsdecrypt [1] and tried
> to test it using VLC [2] to encrypt an audio stream (video was left not encrypted).
> I was very surprised to see that the decryption was not working. When i started
> digging it turns out that CSA encrypted stream with VLC, can not be decoded by
> libdvbcsa.

If I understood correctly libdvbcsa works by blocks to do faster
encoding/decoding and VLC does not.

Jean-Baptiste Kempf
http://www.jbkempf.com/ - +33 672 704 734
Sent from my Electronic Device

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