User's Manual

139
Chapter 7 Using Reader Configuration Utility
7.2.3. MIFARE KEY
MIFARE KEYS
Mifare Keys setting changes the security keys A and/or B for a Mifare tag’s data block.
Keys A and B are two keys that enable the RFID reader to access (read or write) a Mifare
tag’s data block.
To open Mifare Keys setting page:
1. Open Reader Configuration as described in
Launch Reader Configuration
.
2. Tap Mifare Keys on General tabbed page.
Settings Descriptions Default
Login Key Select between key A and key B for the login key. Key A
New Key A Assigns new key A, which must be a hex string of 12 bytes.
 If it is the other key (key B) that you want to change,
you still need to assign the current key A here to be
able to enact the change.
--
New Key B Assigns new key B, which must be a hex string of 12 bytes.
 If it is the other key (key A) that you want to change,
you still need to assign the current key B here to be
able to enact the change.
--
Sector Sets the blocks to apply the change. 1
(blocks 4, 5, & 6)
Shows what each key A
and B currently is.
Edits keys A & B
Assigns the blocks to
apply the change
Tap this button to enact the
change.