Desfire Ev1 changekey Error

cancel
Showing results for 
Show  only  | Search instead for 
Did you mean: 

Desfire Ev1 changekey Error

2,053 Views
colin_costello2
Contributor II

I keep getting CRC or MAC does not match data error when trying to change the key. Can anyone help me out with this?

 


Session Key (deciphered): B7 CB F4 14 E3 B4 B0 30 9F 01 07 7B 7B A2 12 DE
New PICC Key: 11 22 33 44 55 66 77 88 12 23 34 45 56 67 78 89
CRC16 for new PICC Key (deciphered): 7F ED
New PICC Key With CRC and with padding (deciphered): 11 22 33 44 55 66 77 88 12 23 34 45 56 67 78 89 7F ED 00 00 00 00 00 00

New PICC Key With CRC and with padding (ciphered) : AA 6D E2 CF 80 01 63 53 C0 94 8B 88 8C A7 44 51 51 93 04 1A F5 21 C1 9E


APDUCommmand:
--> 90 C4 00 00 19 00 AA 6D E2 CF 80 01 63 53 C0 94 8B 88 8C A7 44 51 51 93 04 1A F5 21 C1 9E 00
<-- 91 1E [ERROR]

Labels (1)
4 Replies

1,795 Views
andrey3
Contributor I

Hello!

I have the same problem.

Did you find the answer eventually?

0 Kudos
Reply

1,795 Views
colin_costello2
Contributor II

I have not found the answer yet. If you figure it out, please let me know!

0 Kudos
Reply

1,795 Views
zhijun
Contributor I

Hello!Have you found the answer for it?

0 Kudos
Reply

1,795 Views
colin_costello2
Contributor II

No, I never did

0 Kudos
Reply