Patent ID: 8019999

Claim:
A method of carrying out wireless video communication, comprising: at a wireless receiver (WR) device: providing a digital certificate, the digital certificate comprising a High-Bandwidth Digital Copy Protection (HDCP) Key Source Vector (KSV), a device identifier for the WR device, a cryptographic key of the WR device, and a digital signature that cryptographically binds the HDCP KSV, the device identifier, and the cryptographic key of the WR device; sending, responsive to an initiation of a wireless communication session from a wireless transmitter (WT) device, the digital certificate to the WR device, where the WT device individually checks the HDCP KSV, the device identifier, the cryptographic key of the WR device, and the digital signature of the digital certificate against a revocation list; and determining that the wireless communication session has been halted if any of the HDCP KSV, the device identifier, the cryptographic key of the WR device, and the digital signature has been determined by the WT device to have been revoked.