Systems & Design

Demystifying the HDCP2.2 Authentication Process

An introduction to the encryption on the new 4K image standard and why it’s so important.


This paper explains HDCP2.2 which is the latest generation content protection protocol. Our primary focus here is to explain how the authentication process on HDCP2.2, the various steps that are necessary in able to validate the receiver. The encryption on the keys in version 2.2 is more advanced than previous versions (HDCP1.X), which basically makes it harder to break. HDCP 2.2 is required for 4K Ultra HD images by the Consumer Electronics Association (CEA) which makes it even more important now.

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