Invention Grant
US08347087B1 Support for multiple digital rights management systems for same content
有权
支持相同内容的多个数字版权管理系统
- Patent Title: Support for multiple digital rights management systems for same content
- Patent Title (中): 支持相同内容的多个数字版权管理系统
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Application No.: US13205583Application Date: 2011-08-08
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Publication No.: US08347087B1Publication Date: 2013-01-01
- Inventor: Sunil C. Agrawal , Katherine K. Nadell , Viswanathan Swaminathan
- Applicant: Sunil C. Agrawal , Katherine K. Nadell , Viswanathan Swaminathan
- Applicant Address: US CA San Jose
- Assignee: Adobe Systems Incorporated
- Current Assignee: Adobe Systems Incorporated
- Current Assignee Address: US CA San Jose
- Agency: Fish & Richardson P.C.
- Main IPC: H04L9/00
- IPC: H04L9/00 ; H04L9/32 ; H04N7/167

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.
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