Network data security system and protecting method thereof

Details Network data security system and protecting method thereof Network data security system and protecting method thereof

2007-03-08

2010-10-26

Tran, Ellen (Department: 2433)

Electrical computers and digital processing systems: support

Multiple computer communication using cryptography

Central trusted authority provides computer authentication

Reexamination Certificate

active

07822976

ABSTRACT:
The invention presents a network data security system and a protecting method applied in network data transmission. Meanwhile the network data security system includes a client, an authentication dispatching server and a number of distributed servers. The authentication dispatching server includes a first determination device and a user certificate generator; and each distributed server includes a second determination device, a second user certificate generator and a processor. The method for protecting data of the present invention introduces the authentication dispatching server providing the client with a user certificate in a valid period of time and further introduces an updated certificate mechanism for preventing the user certificate from being stolen and further preventing network data from being let out.

REFERENCES:
patent: 6052785 (2000-04-01), Lin et al.
patent: 2001/0044894 (2001-11-01), Saito et al.
patent: 2003/0140230 (2003-07-01), de Jong et al.
patent: 2005/0187873 (2005-08-01), Labrou et al.
Scheibelhofer “Using OpenCard in Combination with the Java Cryptography Architecture for Digital Signing”.
Office Action dated Mar. 29, 2010 issued in corresponding Taiwanese Application No. 09920199100.

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