HID Global Corporation 5553 사용자 설명서

1508-USM-00-0-04

HF Multi ISO RFID Reader User Manual, Firmware V1.4

5.1.5.2

Activate PICC

Before accessing a DESFire card, the card must be selected. A DESFire card has a 7 byte UID.
After activation, the card is powered up and ready to accept a DESFire command. Application 0 is
selected automatically.

5.1.5.3

Select application

To jump into another application, the application has to be selected. An application can be seen as
a directory, which contains up to 16 files. The size of the application depends on the stored files.

5.1.5.4

Login to application

Specific access rights can be set for each application. Login to an application allows changing the
organization of the application. Login to a file opens a secured file for access. A file can be
accessed in four different ways: without any security or secured with MAC, single DES or triple
DES.

5.1.5.5

Select file

Before accessing a file, the file must be selected

5.1.5.6

Change file

A selected file can be changed according its access rights. If a file is secured, a login is required
before changes can be made.

5.1.5.7

Commit / Abort transaction

Value files, backup files, linear record files and cyclic record files only adapt their values after the
commit transaction command is given. Several files can be changed within an application at the
same time. The abort transactions command annuls all changes within an application. Power loss
will cancel all modifications too.

For more details about application settings and access rights refer to [2].

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August 2010