Portable information terminal, and electronic information...

Details Portable information terminal, and electronic information... Portable information terminal, and electronic information...

2004-09-17

2008-11-11

Smithers, Matthew B (Department: 2137)

Information security

Prevention of unauthorized use of data including prevention...

Access control

C235S382000, C705S065000, C713S194000

Reexamination Certificate

active

07451492

ABSTRACT:
An electronic information authenticating system is provided which is capable of providing enhanced security of specified electronic information and its related information in the terminal without causing high costs. In a board storing region in a ticket managing board in a portable information terminal, related information passed from a ticket issuing server to which an access is permitted by a board AC (Access Control) unit is stored. A UA (User Agent), ticket board managing server, and ticket issuing server are accessible to the board storing region. An electronic ticket to which consideration on security needs to be given is stored in a secure memory retaining enhanced security, however, the electronic ticket to which consideration on security needs not to be given is put into the board storing region being at low costs.

REFERENCES:
patent: 6729550 (2004-05-01), Seita et al.
patent: 7066385 (2006-06-01), Fukada et al.
patent: 7287165 (2007-10-01), Aono et al.
patent: 2002/0042729 (2002-04-01), Yajima et al.
patent: 2003/0154169 (2003-08-01), Yanai
patent: 2003/0182569 (2003-09-01), Matsuzaki et al.
patent: WO 03/034409 (2003-04-01), None
patent: WO 03/034650 (2003-04-01), None
Search Report issued by the British Patent Office on Feb. 9, 2005 in connection with corresponding application No. GB 0420713.0.

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