Identiv uTrust 3720F, Reference Manual

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Document Version 1.00 Last revised on Page 69 of 87
2020-04-10
Reference Manual for uTrust 3720F and uTrust 3721F Readers
Response:
Data Status Word
- SW1 SW2
Example to write data bytes “01 02 03 04” to block number 0x0F
APDU: FF FC 00 00 06 21 0F 01 02 03 04
RESPONSE: 90 00
6.3.7.3. Lock Block
This APDU locks the block number specified. Once successfully locked, the block shall become read
only.
Command APDU:
CLA INS P1 P2 Lc Data Le
0xFF 0xFC 0x00 0x00 0x02 0x22 Block number to lock (1 byte) -
Response:
Data Status Word
- SW1 SW2
Example to lock block number 0x0F
APDU: FF FC 00 00 02 22 0F
RESPONSE: 90 00
6.3.7.4. Read Multiple Blocks
This APDU reads 4 bytes of data from each consecutive block, for number of blocks, starting from block
number specified.
Command APDU:
CLA INS P1 P2 Lc Data Le
0xFF 0xFC 0x00 0x00 0x03 0x23 Start Block (1 byte) Num blocks – 1 (1 byte) 0x00
Response:
Data Status Word
Data from card (number blocks * 4 bytes) SW1 SW2
Example to read 04 consecutive blocks starting at block number 0x10
APDU: FF FC 00 00 03 23 10 03 00
RESPONSE: xx xx xx xx xx xx xx xx xx xx xx xx xx xx xx xx 90 00