Identiv uTrust 5501F, Reference Manual

Page: 33 / 79

Document Version 1.0 Last revised on
2018-­‐10-­‐22
Page 33 of 79
Reference Manual for uTrust 5501 F Reader/Writer Module
6.2.7. PAPDU_MIFARE_WRITE_SECTOR
This command writes the contained data to the specified sector of a MIFARE Classic or MIFARE UL/UL
C card (first blocks of the sector, excluding the key block, are written per MIFARE Classic).
Command APDU:
Command CLA INS P1 P2 P3 Data
Write sector FF D7 AddrMsb AddrLsb Lc Data
Lc (P3) must be 0x30 when writing to the small sectors of a MIFARE Classic and 0xF0 when writing to
the large sectors of a MIFARE Classic 4K.
Lc must be 0x30 for MIFARE UL; the data will be written from block 4 through the end of the memory.
Response APDU:
Data Status Word
-­‐ SW1, SW2
6.2.8. PAPDU_MIFARE_VALUE_BLK_OLD
This command increments or decrements the data in a value block on a MIFARE Classic card.
Command APDU:
P2 codes the block number:
Command CLA INS P1 P2 P3 Data
Increment/decrement OLD FF F0 00 Block Num Lc Data
The data field is structured as follows:
Byte # Value Description
B0
0xC0 Decrement
0xC1 Increment
B1 Block number
B2-­‐B5 Value (LSB first)
Response APDU:
Data Status Word
-­‐ SW1, SW2