Information management system having a common management...

Details Information management system having a common management... Information management system having a common management...

2003-12-18

2008-11-11

Lin, Wen-Tai (Department: 2154)

Electrical computers and digital processing systems: multicomput

Computer network managing

C709S227000, C705S016000, C705S051000, C370S312000

Reexamination Certificate

active

07451202

ABSTRACT:
A group management server in a group information management system includes: a group member terminal list storage unit for storing a group member terminal list; and a secure communication unit for establishing a secure communication channel with a plurality of terminal apparatuses and communicating with each of the terminal apparatuses via the communication channel. Each terminal apparatus includes a tamper-resistant module. The tamper-resistant module includes: a group information storage unit for storing group information securely; a deletion unit for securely executing deletion, which is processing that affects the group member terminal list, of the group information stored in the group information storage unit; and a secure communication unit for establishing a secure communication channel with the secure communication unit and transmitting a complete deletion notification message via the communication channel.

REFERENCES:
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