18
Chapter 3
Software
iCLASS Find Free Page
After pressing the Advanced Location button, this feature button is visible. The
Find Free Page
button
performs a lookup for contactless cards with more than 1 page (16kbit /16 Appl Area), such as the
BDG-2002. This will perform a search of all pages to find which ones are not secured with unique
keys. The list will appear in the adjacent pull down box.
Note:
pcProx secured pages will not show up as free.
MIFARE Find Free Sector
This will provide a drop down list of all available Sectors on the card being read.
Note:
sectors already being used by pcProx Card Manager will show up as unavailable.
Card Gone Keystrokes
The Card Gone field holds the keystrokes to be delivered when the card is removed from the pcProx
Playback reader. A typical Card Gone keystroke sequence would be to lock a workstation. Under
Windows XP this is done by holding down ‘GUI’ (Windows key) and pressing ‘L’.
Note
: This feature should be used with caution since it implies the user is being asked to leave their
card on the reader. Since the contactless card often carries security information, it is dangerous to ask
employees to leave a card on the reader since they are likely to forget the card. It therefore leaves open
a security flaw since another user can easily obtain a card and impersonate the user. A much safer
alternative is to use the RF IDeas pcProx Sonar (visit
www.RFIDeas.com
for more information on the
Sonar)
Check and Set Keys
As mentioned earlier, the contactless smart card is shipped with default access keys from the factory.
In order to secure an area of the card for a specific application, unique keys are used.
Once the keys are set, the card’s contents for this particular Page and Application Area (or for
MIFARE Sector) are not accessible without the proper key. It is possible that areas of your contactless
card may be secured by another application. If you are unsure if the card is already being used by
another application you should perform a ‘Check and Set Keys’ operation to verify the availability of
the card. If this Page and Application Area (or Sector) is in use, you will see a message in the Error-
Status field. If it is free, it will appear as now secure, as shown below.
