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US 2014/0372759 A1Published application
Copy protection scheme for digital audio and video content authenticated hdcp receivers
AssigneeRearl Image Media Technologies (P)Ltd.
InventorsRajesh Ramachandran, Senthil Kumar
Life of this patent
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Abstract
A method of delivering digital audio and video content and a HDCP source device are disclosed herein. In one embodiment the method includes: (1) receiving an encryption key from a potential receiver of the digital audio and video content, (2) authenticating the potential receiver is an HDCP compliant device and (3) in addition to the authenticating, verifying the potential receiver is a trusted device for receiving the digital audio and video content.
Claims18
A method of delivering digital audio and video content, comprising:
- receiving an encryption key from a potential receiver of said digital audio and video content;
- authenticating said potential receiver is an HDCP compliant device;
- and
- in addition to said authenticating, verifying said potential receiver is a trusted device for receiving said digital audio and video content.
1 more element
A HDCP source device, comprising:
- a transmitter configured to deliver digital audio and video content over a communication link to an authenticated HDCP receiver;
- and
- a device confirmer configured to determine if said authenticated HDCP receiver is also a trusted device and only permit delivery of said digital audio and video content by said transmitter to said authenticated HDCP receiver if said authenticated HDCP receiver is a trusted device.
Dependencies are inferred from the claim text.