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  1. Hi.
    I cannot decrypt ismv file.
    I have no problems with mp4, ts etc.
    Are ismv files any different from others?

    Example file


    Code:
    key:c739f6a4fea79481ea20144756be335c
    KID=5196291eebc145c5ac79f458502b2932
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  2. Average video editor Sviests's Avatar
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    Ismv is a single fragmented segment. You need to merge them first into a single file and then decrypt it.
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  3. Average video editor Sviests's Avatar
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    Curl is one of the tools that will do that, however commonly youtube-dl or streamlink does that automatically from a manifest url.
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  4. Sorry, I don't follow.
    Can you please guide me with the example above?
    From the beginning.

    Here is the manifest ism link
    Code:
    https://r.cdn-ncplus.pl/vod/store01/BEL_70001673/_/hd4-hssdrm02.ism/manifest
    I downloaded it.
    The file has the extension ismv and lasts 2.25 mins the same as the video.
    So it's not a framgented file, it is a complete file to my understanding.

    The file is here

    Keys are here:
    Code:
    key:c739f6a4fea79481ea20144756be335c
    KID=5196291eebc145c5ac79f458502b2932
    How do I decrypt it.
    You said I need to merge it first. How do I do it?
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  5. Average video editor Sviests's Avatar
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    It is not a single file:

    Code:
    [generic] manifest: Extracting information
    [ism] Total fragments: 73
    [download] Destination: fvideo-6000.mp4
    And it downloads a 109MB encrypted mp4.
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  6. How did you do that?
    Last edited by m0ck; 3rd Mar 2021 at 08:24.
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  7. Average video editor Sviests's Avatar
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    It's just a container (file extension). You actually can just rename it to .mp4 or .ts if you want to and see if anything changes. It's the codec that stays the same no matter what is the container.
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  8. Changing extension doesn't change anything. I still can't decrypt it.
    So the question remains. How do I change encrypted ismv to encrypted mp4?

    What should I type and where (youtube-dl?) to get this?
    Code:
    [generic] manifest: Extracting information
    [ism] Total fragments: 73
    [download] Destination: fvideo-6000.mp4
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  9. Originally Posted by Sviests View Post
    It is not a single file:

    Code:
    [generic] manifest: Extracting information
    [ism] Total fragments: 73
    [download] Destination: fvideo-6000.mp4
    And it downloads a 109MB encrypted mp4.
    Did you manage to decrypt it with given key?
    As i can see in mp4info track id is 13 but "mp4decrypt --key 13:c739f6a4fea79481ea20144756be335c manifest-manifest.fvideo-6000.ismv out.mp4" doesn't seem to work
    Last edited by monk87; 4th Mar 2021 at 02:29.
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  10. Average video editor Sviests's Avatar
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    You can't use this provided key. You'd have to get your own when watching the embeded video.
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  11. It just sounds too complicated for me.
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  12. Average video editor Sviests's Avatar
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    What is the site? Perhaps it has a HLS version
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  13. @Sviests
    @monk87
    How to download such a manifest in mp4?
    Can someone drop off the package?
    Even on priv
    and how to get track id you can give info here or on priv
    https://asgard-lv-n01.cdn-ncplus.pl/vod/store01/NOV_PTTUUambbdfmAsFIYah0/_/hd4-hssdrm02.ism/manifest
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