Answer:
The KSI is the first few bytes of the KSN and can be used to identify the key.
First, send the 81-0A NEO command with data 05 to retrieve the data encryption KSN first following follow the steps shown in the screenshot below. The KSN (in hex) is in the Results window as highlighted.Next, convert
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The Results windows show the KSN in hex first with the same string converted to ASCII that which is FFFFFF02000000000004 for FFFFFF0200000000000D for the sample string in the screenshot. Then You can check the first few bytes of the KSN with the desired KSI to identify the key.
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Use dDatadata 02 for RKI-KEK, data 03 is the MAC DUKPT key (which is only for the SRED device ) |
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