The HDCP Master Key: A Story of Cryptographic Key Derivation

Learn about the fascinating story behind the 2010 derivation of the HDCP master key in this 52-minute conference talk from the 38th Chaos Communication Congress. Discover how researchers used public sources and affordable hardware to derive the master key for High-bandwidth Digital Content Protection (HDCP), making it possible to generate source and sink keys compatible with any HDCP device. Follow the journey from the key's discovery through its publication on Pastebin, and understand the implications this had for Intel and the broader tech industry. Examine the technical details of the forty-by-forty matrix of 56-bit hexadecimal numbers and learn the precise methodology for generating both source and sink keys using this master key.