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elementary file (EF)

The file structure of smart cards knows several files: the Master File (MF), the Dedicated File (DF) and the Elementary File (EF). The Elementary File is the data memory for the user data and can be used either by the smart card operating system or by the smart card terminal. If it is used by the operating system, then it concerns the "internal" use, in the other case with debits the "working" use.

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Englisch: elementary file - EF
Updated at: 16.02.2011
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Translations: DE