Thread: Did BN change DRM scheme AGAIN?
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Old 06-01-2024, 09:06 PM   #29
GeorgeYellow
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Quote:
Originally Posted by Renate View Post
I'm not saying that you're wrong, but how do you know that they just didn't drop (intentionally or otherwise) the XML attribute keyInfo="passHash" ?

Have you tried just writing that in?
The point is that indicates a new key encryption.

The "passHash" encryption is publicly documented, and is rather simple.
It's AES-CBC-128, and the key is the first 16 bytes of the 20 byte base64-decoded 'cchashdata', with an IV of all 0's.

The new 'rights.xml' keys cannot not be decrypted with this key.
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