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  #231  
Old 03-24-2015, 01:52 PM
enrud enrud is offline
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Re: I downloaded Netflix videos in HD, I can play off line,need a little help W/.key


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Originally Posted by BlueCop View Post
enrud: I was extracting the playready public/private key pairs from a rooted chromecast. It also stores a database of XMR licenses that I could then decrypt for the content key. I have a lot of scripts for handling the XMR and playready certificate chains. It can verify privates keys and do some useful functions. I also have an MP4 atom box parsers that I meant to eventually handle decryption. I never got the code working like mp4decrypt though. I can specify the track id and content key with mp4decrypt and get correctly dercypted videos.

I investigated the silverlight playready IBX on windows and mac but it seemed heavily obfuscated. They use white box AES so the content keys aren't stored in the clear in memory. I never had much luck with the silver light IBX. I also investigated the actual silverlight request to MS that individualized the blackbox. It allowed me to generate a bunch of IBX files and certificate chains to compare.

It was interesting learning about Eliptic Curve Crypto. I have some code that can decrypt many XMR licenses to content keys. Some are special cases where they are different types of licenses(ex. leaf or seed key). I have a bunch of test XMRs collected from various playready ios apps(ex. amazon instant), chromecast, windows and mac silverlight.

The patent applications for XMR and playready were really helpful in figuring out all the various binary fields. I think I have a list of the interesting patents on another computer. here is an example http://www.google.co.in/patents/US20060265758

I wanted to publish a toolkit for playready but wasn't sure the best way to do that. I haven't really looked at it in a while. I know there are private playready hacks around because decrypted versions of playready exclusive content is available around on the web.

The chromecast has a few DRM libraries that were much easier to load into hexrays IDA Pro/decompiler because they weren't obfuscated as the SL IBX. It really helped me figured out a lot of the head scratchers.
Sent you a PM.
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  #232  
Old 03-26-2015, 12:09 PM
Manual Manual is offline
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Re: I downloaded Netflix videos in HD, I can play off line,need a little help W/.key


Does anyone know if subtitles are encrypted or not?
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  #233  
Old 03-26-2015, 01:26 PM
enrud enrud is offline
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Re: I downloaded Netflix videos in HD, I can play off line,need a little help W/.key


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Does anyone know if subtitles are encrypted or not?
They definitely aren't for HLS streaming. For mpeg-dash, I honestly don't know but I suspect they aren't.
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  #234  
Old 03-27-2015, 01:12 PM
zipdude778 zipdude778 is offline
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Re: I downloaded NF videos in HD, I can play off line,need a little help W/.key file


Any progress?
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  #235  
Old 03-27-2015, 06:58 PM
ASSauLTxMasTER ASSauLTxMasTER is offline
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Re: I downloaded NF videos in HD, I can play off line,need a little help W/.key file


For some reason, UVD only plays audio now, even on the 4.0 IPA.
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  #236  
Old 03-27-2015, 09:30 PM
reydson reydson is offline
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Re: I downloaded NF videos in HD, I can play off line,need a little help W/.key file


It is still working fine here. I'm using Netflix 6.0 and UVD 1.1.3.
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  #237  
Old 05-05-2015, 09:34 AM
belindaschull belindaschull is offline
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Re: I downloaded NF videos in HD, I can play off line,need a little help W/.key file


Is this still working?
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  #238  
Old 05-05-2015, 02:32 PM
ScarAce1989 ScarAce1989 is offline
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Re: I downloaded NF videos in HD, I can play off line,need a little help W/.key file


Any news on decrypting HD streams?
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  #239  
Old 05-06-2015, 08:19 PM
Jinjoni Jinjoni is offline
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Re: I downloaded NF videos in HD, I can play off line,need a little help W/.key file


I just read through a lot of stuff here. So, maybe I'm a bit confused. Is this at all possible to to just get SD rips on Windows? Would someone please advise on how I can get SD only rips from a Windows 7 64bit machine. Even if I have to use virtual box to run an apple IOS.
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  #240  
Old 05-06-2015, 11:03 PM
Jinjoni Jinjoni is offline
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Re: I downloaded NF videos in HD, I can play off line,need a little help W/.key file


OK. It appears that I have UVDConvert.php working properly in windows 7. Will you please just tell me the proper steps to get the m3u8_file, ts.prdy_file and the key_file please?
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