Method for managing security for card-type storage medium and a transaction apparatus therefor
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United States of America Patent
Stats
-
Jan 4, 2000
Issued Date -
N/A
app pub date -
Oct 30, 1996
filing date -
Aug 1, 1994
priority date (Note) -
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status (Latency Note)
Importance
Abstract
In a card-type storage medium and transaction apparatus, when a transaction is started between the card-type storage medium and the transaction apparatus and a data file that is an object of an access from the transaction apparatus is determined, a unique identifier generating device of the card-type storage medium generates a unique identifier for this transaction. A unique identifier notifying device notifies the unique identifier to the transaction apparatus. Accordingly, it is possible to specify the transaction apparatus having access to the card-type storage medium by referring to that unique identifier.
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