PIN Offset Calculator

PIN offset (IBM 3624 Method)

Calculate and verify PIN offsets using IBM 3624 method with decimalization.
PDK:[0]
PAN:[0]
PIN:[0]
DecTab:[16]
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.

PIN Offset FAQ

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