KABC online payment tools

1. UDK Derivation

MDK (Master Derivation Key, 32 hex)

[ ][ ---- ][ ---- ]

PAN

[ ]

PAN Sequence (hex, e.g. 00)

Derivation Option

UDK (result)

[ ---- ][ ---- ]

2. Session Key Derivation

UDK (32 hex)

[ ][ ---- ][ ---- ]

ATC (hex, e.g. 001A)

Session Key (result)

[ ---- ][ ---- ]

3. ARQC / ARPC

Session Key (32 hex)

[ ][ ---- ][ ---- ]

Amount (9F02, 12 hex / 6 bytes)

[ ]

Amount Other (9F03, 12 hex)

[ ]

Country Code (9F1A, 4 hex)

TVR (95, 10 hex / 5 bytes)

Currency Code (5F2A, 4 hex)

Transaction Date (9A, 6 hex / YYMMDD)

Transaction Type (9C, 2 hex)

Unpredictable Number (9F37, 8 hex)

AIP (82, 4 hex / 2 bytes)

ATC (9F36, 4 hex)