Enable PVR Content to play in other TV

General forum talking area for K series TVs.

markf
Posts: 50
Joined: Tue Dec 31, 2013 5:11 am
Location: Brazil

Enable PVR Content to play in other TV

Post by markf » Fri May 19, 2017 8:45 am

Hi to all. I have a hard disk with content recorded in 40F6400, but now I only have the 49K6500 and if I try play content of hard disk appear "protected by DRM". Is possible I enable play the content in TV anyway?
TV: Samsung UN49K6500

fergeteg
Posts: 10
Joined: Fri Nov 25, 2016 8:37 pm
Location: Hungary

Re: Enable PVR Content to play in other TV

Post by fergeteg » Sat May 20, 2017 9:38 pm

Only the TV plays content that captures content.I think...

zoelechat
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Location: France

Re: Enable PVR Content to play in other TV

Post by zoelechat » Sun May 21, 2017 10:03 am

Indeed, recordings are specific to each TV, even if exact same model. No way unless they're decrypted on original TV.
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markf
Posts: 50
Joined: Tue Dec 31, 2013 5:11 am
Location: Brazil

Re: Enable PVR Content to play in other TV

Post by markf » Tue May 23, 2017 4:14 am

zoelechat wrote:
Sun May 21, 2017 10:03 am
Indeed, recordings are specific to each TV, even if exact same model. No way unless they're decrypted on original TV.
Thanks. This is a great limitation.
TV: Samsung UN49K6500

AlfredoC
Posts: 10
Joined: Sat Mar 09, 2013 7:27 pm

Re: Enable PVR Content to play in other TV

Post by AlfredoC » Wed Sep 06, 2017 9:16 pm

Hi,

here is a tool that should decrypt recorded files.
This is really old code and I'm not sure if it works with current models.
But I'm optimistic that Samsung was too lazy to change this.
It worked for all models before Tizen.

On Linux you can use QtCreator to compile it. May be on Windows it works as well (I ported it from Win to Linux).

Can somebody try it and give a feedback?

zoelechat
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Location: France

Re: Enable PVR Content to play in other TV

Post by zoelechat » Wed Sep 06, 2017 9:38 pm

From where do you get decryption key? .mdb file?
If so, it's limited to D (=2011) series. Old code indeed :)
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AlfredoC
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Joined: Sat Mar 09, 2013 7:27 pm

Re: Enable PVR Content to play in other TV

Post by AlfredoC » Thu Sep 07, 2017 9:05 pm

yes, the key comes from the .mdb file.
Has somebody new solutions?

zoelechat
SamyGO Moderator
Posts: 7884
Joined: Fri Apr 12, 2013 7:32 pm
Location: France

Re: Enable PVR Content to play in other TV

Post by zoelechat » Thu Sep 07, 2017 9:18 pm

Looks you have much late work, plain key stored in mdb is prehistory (=time before I registered :D )
About a couple of different "solutions" for E/F, as much for H and at least one for J/K Tizen's. Mandatory root for all of them.
No need to say 4 years can't be summarized in few words...
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AlfredoC
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Joined: Sat Mar 09, 2013 7:27 pm

Re: Enable PVR Content to play in other TV

Post by AlfredoC » Fri Sep 08, 2017 8:57 am

... of course not.
May be you can post some links?

zoelechat
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Re: Enable PVR Content to play in other TV

Post by zoelechat » Fri Sep 08, 2017 9:37 am

Sure, as overview, but won't save you much to read
[PC] SamyGO PVRDecoder for E/F/H series
[App] PVR encryption key dumper E/F
[App] SamyGO NoDRM E/F (MST only)
[APP] ffmpeg w/ srf decryption and hw aes [E/F/(H)/J/K]
etc :)

Basically from E, decryption requires associated .key file and a way to internally catch that key (hence root/code injection necessary).
UnDRM'd recording is also possible in some case (->no key/decryption needed, E/F/H on T-MST fw).
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