Data processing method, system and apparatus for processing...

Details Data processing method, system and apparatus for processing... Data processing method, system and apparatus for processing...

2006-08-28

2010-06-08

Kim, Jung (Department: 2432)

Electrical computers and digital processing systems: support

Data processing protection using cryptography

By stored data protection

C726S009000, C713S001000

Reexamination Certificate

active

07734935

ABSTRACT:
An IC card issuer issues an IC card and requests a card memory area operator to lend part of a memory area of the IC card to another card memory area user. The card memory area operator provides a memory area division apparatus and various data to the memory area division apparatus under the control of an operator communication apparatus12. The card memory area user divides the memory area of the IC card into a memory area to be used by the IC card issuer and a memory area to be used by the card memory area user. The operation file registration apparatus writes file data for the card memory area user to the memory area of the card memory area user obtained by the above division.

REFERENCES:
patent: 5878137 (1999-03-01), Ippolito et al.
patent: 6005942 (1999-12-01), Chan et al.
patent: 6742715 (2004-06-01), Everett et al.
patent: 973135 (2000-01-01), None
patent: WO 9852161 (1998-11-01), None
patent: WO 9852162 (1998-11-01), None

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