Read more https://packetstormsecurity.com/files/182931/wbpmp_doc.md.txt
Microsoft Warbird and PMP Security Research
This paper provides an in-depth technical explanation,
illustration, and verification of discovered attacks affecting
PlayReady on Windows 10 / 11 x64 that pertain to Warbird
deficiencies, content key sniffer operation, magic XOR keys
discovery, white-box crypto attack, and complete client identity
compromise attacks.