Information providing apparatus and method, information...

Details Information providing apparatus and method, information... Information providing apparatus and method, information...

2006-01-24

2006-01-24

Song, Hosuk (Department: 2135)

Electrical computers and digital processing systems: support

Multiple computer communication using cryptography

Particular communication authentication technique

C380S277000

Reexamination Certificate

active

06990580

ABSTRACT:
Contents and its key are supplied in different procedures. License management program authenticates telephone-integrated terminal device and authenticates first server or second server. Server LCM controls the reception of contents and key transmission requests and of data for identifying first server or second server. If data for identifying first server are received, contents and its key are received from first server in a procedure corresponding to first server. If data for identifying second server are received, contents and its key are received from second server in a procedure corresponding to second server. Server LCM controls the transmission of contents and its key to telephone-integrated terminal device.

REFERENCES:
patent: 5727159 (1998-03-01), Kikinis
patent: 6002772 (1999-12-01), Saito
patent: 6058476 (2000-05-01), Matsuzaki et al.
patent: 6578149 (2003-06-01), Kawamae et al.
patent: WO 98/43177 (1998-10-01), None
patent: WO 00/11871 (2000-03-01), None
Eberhard von Faber, et al., “The Secure Distribution of Digital Contents”, IEEE Proceedings. Annual Computer Security Applications Conference, XP-002141599, Dec. 8, 1997, pp. 16-22.

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