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Use MIFARE App Directory

Posted: 30 Apr 2009     Print Version  Bookmark and Share

Keywords:MIFARE Application Directory  card  identifiers 

This application note by NXP Semiconductors presents the proposed MIFARE Application Directory (MAD), its rule and structure together with examples, which opens the possibility to combine different applications in one card with certain interoperability.

The MIFARE Application Directory standard proposes the introduction of common data structures for card application directory entries. Registered application identifiers in sector 0x00 (and sector 0x10, if applicable) of any MIFARE card enable identification of all registered card applications. Terminal software should take advantage of this feature using those sector pointers instead of physical sector addresses.

In the future it might easily happen that there are more than one MIFARE card in a person's wallet. The comfort of not having to take out the card of one's wallet should be possible also with more MIFARE cards in one wallet. A typical case can be that one person has cards for different applications (e.g. airline miles collection and city fare collection). With the MAD the airline check-in terminal identifies two cards and is able to choose the correct one by checking the MAD.

View the PDF document for more information.

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