Soooo, after a few evenings of work, I've 100% broken Widevine L3 DRM. Their Whitebox AES-128 implementation is vulnerable to the well-studied DFA attack, which can be used to recover the original key. Then you can decrypt the MPEG-CENC streams with plain old ffmpeg...
-
-
I'm asking if you know of any. I seem to remember there were, but it was very early on in my studies when I first heard about white box crypto. Will do some Wikipeding.
Thanks. Twitter will use this to make your timeline better. UndoUndo
-
-
-
"Towards security notions for white box cryptography" looks interesting. They claim IND-CCA2 is unachievable for symmetric encryption, but IND-CPA is. The former would seem to me to must-have for this setting
Thanks. Twitter will use this to make your timeline better. UndoUndo
-
-
-
Thanks. Twitter will use this to make your timeline better. UndoUndo
-
Loading seems to be taking a while.
Twitter may be over capacity or experiencing a momentary hiccup. Try again or visit Twitter Status for more information.