Method of authenticating content provider and assuring...

Details Method of authenticating content provider and assuring... Method of authenticating content provider and assuring...

2008-07-01

2008-07-01

Peeso, Thomas R. (Department: 2132)

Electrical computers and digital processing systems: support

Multiple computer communication using cryptography

Particular communication authentication technique

C713S176000, C713S180000

Reexamination Certificate

active

07395426

ABSTRACT:
A method of authenticating a content provider and assuring content integrity by which the content provider is authenticated and the content integrity is assured upon download, exchange or transfer of a variety of multimedia contents through a wired/wireless communication network. The method of authenticating the content provider and assuring the content integrity, including downloading packaged contents with an electronic signature made thereto into a device of a user through a wired/wireless communication network, finding a URL address from which a certificate for verification of a signature of the content provider is provided, in a header of the contents, acquiring the certificate of the content provider after moving to the URL address, extracting a public key required for the verification of the electronic signature from the acquired certificate, and verifying the electronic signature by using the extracted public key.

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Aski Co., Ltd., “Encapsulation and Access Control of Content,” Unix Magazine, vol. 15-9, Sep. 1, 2000, pp. 158-166 CSDB No.: Local Tech. Magazine 2002-01322-007.

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