ACR128 Dual Interface Smart Card Reader
7.0 PICC Commands (T=CL Emulation) for MiFare 1K/4K MEMORY Cards
7.1 Load Authentication Keys
The “Load Authentication Keys command” will load the authentication keys into the reader. The
authentication keys are used to authenticate the particular sector of the Mifare 1K/4K Memory Card.
Two kinds of locations for authentication keys are provided, volatile and non-volatile.
Table 22-a: Load Authentication Keys APDU Format (11 Bytes)
Command
Class INS
P1
P2
Lc
Data In
Load Authentication
Keys
FF
82
Key Structure
Key Number
06
Key
(6 bytes)
Key Structure (1 Byte):
0x00
= Key is loaded into the reader’s volatile memory.
0x20
= Key is loaded into the reader’s non-volatile memory.
Other =
Reserved.
Key Number (1 Byte):
0x00 ~ 0x1F
= Non-volatile memory for storing keys. The keys are permanently
stored in the reader and will not be erased even when the reader is
disconnected from the PC. It can store up to 32 keys.
0x20 (Session Key) = Volatile memory for storing a temporary key. The key will be erased
once the reader is disconnected from the PC. Only 1 volatile key is
provided. The volatile key can be used as a session key for different
sessions. Default Value = {FF FF FF FF FF FF}
Key (6 Bytes):
The key value loaded into the reader. E.g. {FF FF FF FF FF FF}
Table 22-b: Load Authentication Keys Response Format (2 Bytes)
Response
Data Out
Result SW1 SW2
Table 22-c: Load Authentication Keys Response Codes
Results
SW1
SW2 Meaning
Success 90
00
The operation is completed successfully.
Error
63
00
The operation failed.
Page
26 of 36
ACR128 API
Version 1.7 May 2008
