Decoupling rights in a digital content unit from download

Details Decoupling rights in a digital content unit from download Decoupling rights in a digital content unit from download

2006-04-04

2011-12-27

Worjloh, Jalatee (Department: 3685)

Data processing: financial, business practice, management, or co

Business processing using cryptography

Usage protection of distributed data files

C705S050000, C705S051000, C705S057000, C705S059000, C705S064000, C713S155000, C380S200000, C380S201000, C380S202000, C380S203000, C726S026000, C726S027000, C726S028000, C726S029000, C726S030000

Reexamination Certificate

active

08086535

ABSTRACT:
Systems and methods for enabling a user to obtain rights in a legitimate copy of a digital content unit without downloading the copy from a digital content store are provided. The systems and methods provide an encrypted copy of a digital content unit to a first user and transcript the encrypted copy to generate the legitimate copy to a second user. The encrypted copy is encrypted with a first encrypt key that may be associated with the first user and the legitimate copy is encrypted with a second encrypt key that may be associated with the second user.

REFERENCES:
patent: 5892900 (1999-04-01), Ginter
patent: 6574609 (2003-06-01), Downs et al.
patent: 6983371 (2006-01-01), Hurtado et al.
patent: 6990584 (2006-01-01), Yoshiura et al.
patent: 7062500 (2006-06-01), Hall et al.
patent: 7213005 (2007-05-01), Mourad et al.
patent: 7249107 (2007-07-01), Yaacovi
patent: 7546532 (2009-06-01), Nichols et al.
patent: 2003/0125964 (2003-07-01), Chang et al.
patent: 2004/0196972 (2004-10-01), Zhu et al.
patent: 2005/0283791 (2005-12-01), McCarthy et al.
patent: 2006/0048223 (2006-03-01), Lee et al.
patent: 2007/0233602 (2007-10-01), Zweig et al.
patent: 2008/0148069 (2008-06-01), Tsuria et al.
patent: 2009/0048978 (2009-02-01), Ginter et al.
patent: 2010/0106658 (2010-04-01), Stefik et al.
International Search Report, PCT/US07/65771, 4 pages, Dec. 21, 2007.

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