Card observing method
The present invention provides a card observing method which copes with the progress in, and the diversification of, unauthorized access methods. According to the present invention, an IC card is provided with an observation program updating unit (102), and an observation program (104) is loaded fro...
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| Hauptverfasser: | , , |
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| Format: | Patent |
| Sprache: | eng ; fre ; ger |
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| Zusammenfassung: | The present invention provides a card observing method which copes with the progress in, and the diversification of, unauthorized access methods. According to the present invention, an IC card is provided with an observation program updating unit (102), and an observation program (104) is loaded from an external terminal (110) into an erasable nonvolatile memory (206). When a new unauthorized access method is developed, the observation program (104) is updated so that it can detect unauthorized access. |
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