Identiv uTrust 3720F, Справочное руководство

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Document Version 1.00 Last revised on Page 73 of 87
2020-04-10
Reference Manual for uTrust 3720F and uTrust 3721F Readers
Bits in Info flags byte provide information about the presence or absence of other fields. Info flags is
formatted as below:
Bit Value Description
b1
0 DSFID not present
1 DSFID present
b2
0 AFI not present
1 AFI present
b3
0 Memory size not present
1 Memory size present
b4
0 IC reference not present
1 IC reference present
b5-b8 0 RFU
Memory size is interpreted as below:
MSB gives the block size in bytes – 1 (add 1 to get number of bytes in block)
LSB gives the number of blocks – 1 (add 1 to get number of physical blocks)
Example to lock AFI
APDU: FF FC 00 00 02 2B 00
RESPONSE: xx xx xx xx xx xx xx xx xx xx xx xx xx xx xx 90 00
6.3.7.11. Read Multiple Block Security Status
This APDU retrieves the block security status of 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 0x2C Start Block (1 byte) Num blocks – 1 (1 byte) 0x00
Response:
Data Status Word
Security status bytes (number blocks * 1 bytes) SW1 SW2
Example to read security status of 04 consecutive blocks starting at block number 0x10
APDU: FF FC 00 00 03 2C 10 03 00
RESPONSE: xx xx xx xx 90 00