User's Manual

ACR122L
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USB
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ACS
Key (6 Bytes):
The key value loaded into the reader. E.g. {FF FF FF FF FF FF}
Table 2.1-1b: Load Authentication Keys Response Format (2 Bytes)
Response Data Out
Result SW1 SW2
Table 2.1-1c: Load Authentication Keys Response Codes
Results SW1 SW2 Meaning
Success 90 00 The operation is completed successfully.
Error 63 00 The operation is failed.
Examples:
// Load a key {FF FF FF FF FF FF} into the key location 0x00.
APDU = {FF 82 00 00 06 FF FF FF FF FF FF}
6.7.2. Authentication for MIFARE 1K/4K
The “Authentication command” uses the keys stored in the reader to do authentication with the MIFARE
1K/4K card (PICC). Two types of authentication keys are used, TYPE_A and TYPE_B respectively.
Table 2.2-1a: Load Authentication Keys APDU Format (6 Bytes) #Obsolete
Command Class INS P1 P2 P3 Data In
Authentication FF 88 00 Block
Number
Key
Type
Key Number
Table 2.2-1b: Load Authentication Keys APDU Format (10 Bytes)
Command Class INS P1 P2 Lc Data In
Authentication FF 86 00 00 05 Authenticate Data
Bytes
Authenticate Data Bytes (5 Byte):
Byte1 Byte 2 Byte 3 Byte 4 Byte 5
Version
0x01
0x00 Block
Number
Key
Type
Key
Number