Technical Manual

East Wind Technologies, Inc.
Copyright © 2022 East Wind Technologies, Inc. All rights reserved. 22/59
Key: 6 bytes, the key of the card;
Value: 4 bytes, increment value, LSB first.
Success:
Frame
0x25
Checksum
Failure:
Frame
0xDA
Checksum
3.4.9 MIFARE 1K/4K Purse Decrement
Function: Purse decrement of MIFARE 1K/4K. The format of the purse uses MIFARE
1K/4K’s default. Purse decrement means the decrement on the basis of the original number. Purse
decrement only needs the “read authority” of the key.
Host sends:
Frame
0x26
Key ID
Block
Key
Value
Checksum
Key ID: 1 byte, Key identifier;
Block: 1 byte, block number of purse to be decrement;
Key: 6 bytes, the key of the card;
Value: 4 bytes, decrement value, LSB first
Success:
Frame
0x26
Checksum
Failure:
Frame
0xD9
Checksum
3.4.10 MIFARE 1K/4K Purse Backup
Function: Copy the MIFARE 1K/4K purse to another block in the same sector. The format
of the purse uses MIFARE 1K/4K’s default.
Host sends:
Frame
0x27
Key ID
Source
Target
Key
Checksum
Key ID: 1 byte, Key identifier;
Source: 1 byte, block number of purse to copy;
Target: 1 byte, copy the purse to this block (source and target need in same sector);
Key: 6 bytes, the key of the card.
Success:
Frame
0x27
Checksum
Failure:
Frame
0xD8
Checksum