ACS AET62 NFC Reader with Fingerprint Sensor - Manual (Page 18)

Results SW1 SW2 Meaning
Success 90 00 The operation is completed successfully.
Error 63 00 The operation is failed.
Table 26: Read Value Block Response Codes
6.5.3. Restore Value Block
The “Restore Value Block command” is used to copy a value from a value block to another value
block.
Command Class INS P1 P2 Lc Data In
Value Block
Operation FF D7 00 Source
Block
Number
02 03 Target
Block
Number
Table 27: Restore Value Block APDU Format (7 Bytes)
Source Block Number (1 Byte): The value of the source value block will be copied to the
target value block.
Target Block Number (1 Byte): The value block to be restored. The source and target value
blocks must be in the same sector.
Response Data Out
Result SW1 SW2
Table 28: Restore Value Block Response Format (2 Bytes)
Results SW1 SW2 Meaning
Success 90 00 The operation is completed successfully.
Error 63 00 The operation is failed.
Table 29: Restore Value Block Response Codes
Example:
1. Store a value “1” into block 0x05
APDU = { FF D7 00 05 05 00 00 00 00 01 }
Answer: 90 00
2. Read the value block 0x05
APDU = { FF B1 00 05 00 }
Answer: 00 00 00 01 90 00 [9000]
3. Copy the value from value block 0x05 to value block 0x06
APDU = { FF D7 00 05 02 03 06 }
Answer: 90 00 [9000]
4. Increment the value block 0x05 by “5”
APDU = { FF D7 00 05 05 01 00 00 00 05 }
Answer: 90 00 [9000]
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