IC card and access control method
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United States of America Patent
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Oct 12, 2010
Issued Date -
N/A
app pub date -
Apr 21, 2005
filing date -
Apr 21, 2004
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A folder containing at least one file can be created in a file storage (17) in response to a folder creation request from an owner (30) of an IC card (10), and an access authority to the folder can be set as an access control list (18A) of the folder in response to an access authority setting request from the owner (30). Then access to the file is controlled not only on the basis of the access authority to the file set by an issuer of a voucher (issuer of the file), but also on the basis of the access authority to the folder set by the owner (30).
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