PIN offset (IBM 3624 Method)
Offset
PIN
PDK:
PAN:
PIN:
DecTab:
Validation data
Validation data mask:Use N for natural PIN digits, 0-9 for fixed values
📖 How to Use PIN Offset Tool
• Use the "Offset" tab to calculate PIN offset from a customer PIN, or "PIN" tab to verify/calculate PIN from offset.
• Enter the PDK (Pin Derivation Key) - 32 hex characters (16 bytes) 3DES key.
• Enter the PAN (Primary Account Number) - 12-19 digits.
• Enter the decimalization table (DecTab) - 16 digits, default: 0123456789012345.
• Choose validation data method: parameters (Start, Length, Pad, PIN Length) or mask pattern.
• For Offset tab: enter customer PIN and click Calculate Offset.
• For PIN tab: enter PIN offset and click Calculate PIN to get the customer's PIN.