Forum › MIFARE general topics and applications › KeyA and KeyB and how to protect the contacless card from cloning? › Reply To: KeyA and KeyB and how to protect the contacless card from cloning?
Hi @mifaresdk,
You can find the tool in here: h**ps://play.google.com/store/apps/details?id=de.syss.MifareClassicTool&hl=tr
Yes default key doesn't work for sector 1. Because I change the key in step 8 with
In step 9 I get 63 00 error that is not authenticate with new key. I am wondering is it possible to after writing in step 8 should I have to disconnect.
Then connect again load new key and try to read? I am not sure if mifare classic card works that way.
Now my Sector 2 is;
I am going to change my code to write in block 8, 9 and 10. I will also write in sector trailer with new keys.
Then in step 9 I will again try to authenticate with new key to read the sector 2 data on block 8, 9 and 10.
Kind Regards,
You can find the tool in here: h**ps://play.google.com/store/apps/details?id=de.syss.MifareClassicTool&hl=tr
Yes default key doesn't work for sector 1. Because I change the key in step 8 with
Write( 7, 49DB59CFF2F30 8778FF F2CBF23931A13 ) // write to sector trailer the new keys
In step 9 I get 63 00 error that is not authenticate with new key. I am wondering is it possible to after writing in step 8 should I have to disconnect.
Then connect again load new key and try to read? I am not sure if mifare classic card works that way.
Now my Sector 2 is;
+Sector: 2
0
0
0
FFFFFFFFFFFFFF078069FFFFFFFFFFFF
I am going to change my code to write in block 8, 9 and 10. I will also write in sector trailer with new keys.
Then in step 9 I will again try to authenticate with new key to read the sector 2 data on block 8, 9 and 10.
Kind Regards,
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