Patent Number: 7,788,727

Title: System and method for piggybacking on interface license

Abstract: Prior to using a HDCP KSV for HDMI-based encryption authentication, the KSV from the source is examined to determine whether it is in a list of KSVs that have been pre-approved by the sink vendor, to further restrict access to the interface of the sink to only those HDCP-compliant sources that have been approved by the sink vendor.

Inventors: Shintani; Peter (San Diego, CA)

Assignee: Sony Corporation

International Classification: G06F 17/30 (20060101)

Expiration Date: 8/31/12018