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:
Jan. 01, 2013
Filed:
Aug. 08, 2011
Sunil C. Agrawal, Milpitas, CA (US);
Katherine K. Nadell, San Jose, CA (US);
Viswanathan Swaminathan, Fremont, CA (US);
Sunil C. Agrawal, Milpitas, CA (US);
Katherine K. Nadell, San Jose, CA (US);
Viswanathan Swaminathan, Fremont, CA (US);
Adobe Systems Incorporated, San Jose, CA (US);
Abstract
Techniques, systems, and apparatus, including medium-encoded computer program products, for protecting a document with multiple digital rights management systems are presented. A described technique includes encrypting content in accordance with a first digital rights management scheme using a key and an encryption scheme, generating a first header associated with the encrypted content in accordance with the first digital rights management scheme, generating a second header associated with the encrypted content in accordance with a second digital rights management scheme, and creating a protected document that includes the first header, the second header, and the encrypted content.