The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 12, 2013
Filed:
Jan. 09, 2009
Hoon Choi, Mountain View, CA (US);
Daekyeung Kim, San Jose, CA (US);
Wooseung Yang, Santa Clara, CA (US);
Gyudong Kim, Sunnyvale, CA (US);
Hoon Choi, Mountain View, CA (US);
Daekyeung Kim, San Jose, CA (US);
Wooseung Yang, Santa Clara, CA (US);
Gyudong Kim, Sunnyvale, CA (US);
Silicon Image, Inc., Sunnyvale, CA (US);
Abstract
A method, apparatus and system for providing pre-authentication and keep-authentication of content protected ports system employing a ratio of one decipher processing engine (e.g., HDCP engine) associated with multiple ports is disclosed is disclosed. In one embodiment, a receiving device is pre-authenticated by a transmitting device, wherein the receiving device to receive a data stream from the transmitting device via a first data path. Further, a first High-Definition Content Protection (HDCP) engine is associated with a first port in the first data path, the first HDCP engine coupled with a second HDCP engine. The second HDCP engine is associated with a plurality of ports in a second data path, each of the plurality of ports associated with a memory pipe having state information relating to each of the plurality of ports, the state information being used to pre-authenticate the receiving device.