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Decrypt CENC encoded file with Bento4 mp4decrypt fail

Open dummyvx opened this issue 5 years ago • 1 comments

I have a file which was encrypted in CENC I believe, and i'm trying to decrypt it for over few months now using mp4decrypt from the bento4 mp4decrypt tools but trust me I just don't know-how. This is the output of mp4info --verbose

dummyvx avatar Jan 11 '21 12:01 dummyvx

If you want to decrypt the audio and video tracks here, you'll need the actual encryption keys that were used to encrypt them (if those are distributed with DRM, you're not going to get those keys, unless you're the one who encrypted the files in the first place). And the 'key' property you have in the snippet at the end here is likely NOT the encryption key, but rather some other key used, possibly, to generate the actual media keys, or to access an API.

barbibulle avatar Feb 14 '21 04:02 barbibulle