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:
Jul. 01, 2008
Filed:
Apr. 16, 2002
M. Jay Parks, Kirkland, WA (US);
Marcus Peinado, Bellevue, WA (US);
Jonas Fredrik Helin, Järfälla, SE;
Clifford P. Strom, Sammamish, WA (US);
M. Jay Parks, Kirkland, WA (US);
Marcus Peinado, Bellevue, WA (US);
Jonas Fredrik Helin, Järfälla, SE;
Clifford P. Strom, Sammamish, WA (US);
Microsoft Corporation, Redmond, WA (US);
Abstract
A device renders content on a medium by obtaining a table from the medium, obtaining a device key (DK) of the device and an index value of such (DK), indexing into an entry of the table based on the obtained index value, selecting an encrypted secret from the indexed-into entry, applying the obtained device key (DK) to the selected encrypted secret to expose the secret, and applying the exposed secret to render the content.