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.

Date of Patent:
May. 15, 2012

Filed:

Apr. 11, 2007
Applicant:

Chih-chung Chang, Taipei, TW;

Inventor:

Chih-Chung Chang, Taipei, TW;

Assignee:

Cyberlink Corp., Shindian, Taipei, TW;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 21/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

Systems and methods for secure program execution are described. At least one embodiment includes a system for securely executing software comprising a host configured to accept a disc containing encrypted content to be accessed and store an encrypted program used to access the content on the disc. The system further comprises a secure coprocessor communicatively coupled to the host and configured to receive the encrypted program, decrypt and execute the encrypted program, and communicate an output generated by the program back to the host.


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Chang, Chih-Chung. (2012). Systems and methods for executing encrypted programs (U.S. Patent No. 8181038). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8181038

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