Information processing method, information processing...

Details Information processing method, information processing... Information processing method, information processing...

2007-08-21

2007-08-21

Moazzami, Nasser (Department: 2136)

Electrical computers and digital processing systems: support

Multiple computer communication using cryptography

Particular communication authentication technique

C380S232000, C380S278000, C380S281000, C380S284000, C705S059000, C705S076000, C713S155000, C713S156000, C713S194000, C726S006000, C726S007000, C726S030000

Reexamination Certificate

active

10072109

ABSTRACT:
A client receives encrypted content from content server. The header of the content includes license-identifying information for identifying a license required to utilize the content. The client requests a license server to transmit the license identified by the license-identifying information. When receiving the request for a license, the license server carries out a charging process before transmitting the license to the client. The client stores the license received from the license server. The stored license serves as a condition for encrypting and playing back the content. As a result, content can be distributed with a high degree of freedom and only an authorized user is capable of utilizing the content.

REFERENCES:
patent: 6006190 (1999-12-01), Baena-Arnaiz et al.
patent: 6389538 (2002-05-01), Gruse et al.
patent: 6891953 (2005-05-01), DeMello et al.
patent: 6920436 (2005-07-01), Stefik et al.
patent: 0 878 796 (1998-11-01), None
patent: 09319571 (1997-12-01), None
patent: WO-98/42098 (1998-09-01), None
patent: WO-00/59151 (2000-10-01), None
Lee, J., et al, ‘A DRM Framework for Distributing Digital Contents through the Internet’, ETRI Journal, vol. 25, No. 6, Dec. 2003, pp. 423-436, http://etrij.etri.re.kr/Cyber/servlet/GetFile?fileid=SPF-1070442843432.

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