User's Manual

ACG HF Multi ISO RFID Reader V1.0
ACG Identification Technologies GmbH 127
13.6.4 Use a DES secured value file
The next example demonstrates the use of a DES secured value file, such as the
one created in the previous example. After the selection of the application, a login
with the key of the value file is needed to access the file. Modification of the value file
is accepted after the commit transaction command is given.
Command Answer
s 04E10E00000000
activate card
f0408000011 00
select application with ID 000011
f03000000 L
login to application
f020D00 02
select file with ID 00 (value file)
f0117 0055555555
read value file data
f051911111111 00
debit value file with 11111111
f0117 0055555555
read value file, no modification done
f011c 00
commit transaction, modification is done
f0117 0044444444
read value file, verify modification
Figure 13-5: Change data of a plain standard data file