Mfoc error

[DariusDDM]

Hello and sorry for my post here but I can't find an answer for my question. I'm super new to linux and nfc. My nfc reader is ACR122U-A9 and he doesn't let me break this mifare 1k card... Can someone help me please? Thank you!

Fingerprinting based on MIFARE type Identification Procedure:

• MIFARE Classic 1K
• MIFARE Plus (4 Byte UID or 4 Byte RID) 2K, Security level 1
• SmartMX with MIFARE 1K emulation
  Other possible matches based on ATQA & SAK values:

Try to authenticate to all sectors with default keys...
Symbols: '.' no key found, '/' A key found, '' B key found, 'x' both keys found
[Key: ffffffffffff] -> [................]
[Key: a0a1a2a3a4a5] -> [................]
[Key: d3f7d3f7d3f7] -> [................]
[Key: 000000000000] -> [................]
[Key: b0b1b2b3b4b5] -> [................]
[Key: 4d3a99c351dd] -> [................]
[Key: 1a982c7e459a] -> [................]
[Key: aabbccddeeff] -> [................]
[Key: 714c5c886e97] -> [................]
[Key: 587ee5f9350f] -> [................]
[Key: a0478cc39091] -> [................]
[Key: 533cb6c723f6] -> [................]
[Key: 8fd0a4f256e9] -> [................]

Sector 00 - Unknown Key A Unknown Key B
Sector 01 - Unknown Key A Unknown Key B
Sector 02 - Unknown Key A Unknown Key B
Sector 03 - Unknown Key A Unknown Key B
Sector 04 - Unknown Key A Unknown Key B
Sector 05 - Unknown Key A Unknown Key B
Sector 06 - Unknown Key A Unknown Key B
Sector 07 - Unknown Key A Unknown Key B
Sector 08 - Unknown Key A Unknown Key B
Sector 09 - Unknown Key A Unknown Key B
Sector 10 - Unknown Key A Unknown Key B
Sector 11 - Unknown Key A Unknown Key B
Sector 12 - Unknown Key A Unknown Key B
Sector 13 - Unknown Key A Unknown Key B
Sector 14 - Unknown Key A Unknown Key B
Sector 15 - Unknown Key A Unknown Key B
mfoc: ERROR:

No sector encrypted with the default key has been found, exiting..

[Dutchy-79]

Same problem

[KPerlman]

Did you ever find a solution?

[DariusDDM]

Yes. I bought a ProxMark3 easy for 50$ from aliexpress and problem is solved. With proxmark everything works