MagTek iDynamo MagneSafe V5 - Manual (Page 8)

iDynamo MagneSafe V5 Communication Manual
2
COMMANDS AND SECURITY LEVELS
The following table shows how security levels affect the various commands. “Y” means the
command can run. “N” means the command is prohibited. “S” means the command is protected
(requires MACing). “X” means other (notes to follow).
Command Level 3
Get Property Y
Set Property S
Reset X*
Get DUKPT KSN and Counter Y
Set Session ID Y
Activate Authenticated Mode Y
Activation Challenge Reply Y
Deactivate Authenticated Mode Y
Get Reader State Y
Get Encryption Counter Y
Bulk Encrypt Y
* The Reset command has special behavior. When an Authentication sequence has failed, only a
correctly MACed Reset command can be used to reset the reader. This is to prevent a dictionary
attack on the keys and to minimize a denial of service attack.