Can not decypt my card

[minhtoantm]

Hi.
I installed mfoc-hardnested and mfoc in my macbook and start decypt my card but failed.
My device: PN532

`mfoc-hardnested -k ffffffffffff -O mycard.mfd
The custom key 0xffffffffffff has been added to the default keys
ATS len = -20
Found Mifare Classic 1k tag
ISO/IEC 14443A (106 kbps) target:
ATQA (SENS_RES): 00 04

• UID size: single
• bit frame anticollision supported
  UID (NFCID1): f7 00 da b1
  SAK (SEL_RES): 08
• Not compliant with ISO/IEC 14443-4
• Not compliant with ISO/IEC 18092

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] -> [x.xxxxxxxxxxxxxx]
[Key: ffffffffffff] -> [x.xxxxxxxxxxxxxx]
[Key: a0a1a2a3a4a5] -> [x.xxxxxxxxxxxxxx]
[Key: d3f7d3f7d3f7] -> [x.xxxxxxxxxxxxxx]
[Key: 000000000000] -> [x.xxxxxxxxxxxxxx]
[Key: b0b1b2b3b4b5] -> [x.xxxxxxxxxxxxxx]
[Key: 4d3a99c351dd] -> [x.xxxxxxxxxxxxxx]
[Key: 1a982c7e459a] -> [x.xxxxxxxxxxxxxx]
[Key: aabbccddeeff] -> [x.xxxxxxxxxxxxxx]
[Key: 714c5c886e97] -> [x.xxxxxxxxxxxxxx]
[Key: 587ee5f9350f] -> [x.xxxxxxxxxxxxxx]
[Key: a0478cc39091] -> [x.xxxxxxxxxxxxxx]
[Key: 533cb6c723f6] -> [x.xxxxxxxxxxxxxx]
[Key: 8fd0a4f256e9] -> [x.xxxxxxxxxxxxxx]

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

Using sector 15 as an exploit sector
Sector: 1, type A, probe 0, distance 65439 .....
Sector: 1, type A, probe 1, distance 65439 .....
Sector: 1, type A, probe 2, distance 65439 .....
Sector: 1, type A, probe 3, distance 65439 .....
Sector: 1, type A, probe 4, distance 65439 .....
Sector: 1, type A, probe 5, distance 65439 .....
Sector: 1, type A, probe 6, distance 65439 .....
Sector: 1, type A, probe 7, distance 65439 .....
Sector: 1, type A, probe 8, distance 65439 .....
Sector: 1, type A, probe 9, distance 65439 .....
Sector: 1, type A, probe 10, distance 65439 .....
Sector: 1, type A, probe 11, distance 65439 .....
Sector: 1, type A, probe 12, distance 65439 .....`

[b4j0n1tz]

Same happens to me:

sudo ./mfoc -k ffffffffffff -O vending.dump
The custom key 0xffffffffffff has been added to the default keys
Found Mifare Classic 1k tag
ISO/IEC 14443A (106 kbps) target:
ATQA (SENS_RES): 00 04

• UID size: single
• bit frame anticollision supported
  UID (NFCID1): 87 76 73 7a
  SAK (SEL_RES): 08
• Not compliant with ISO/IEC 14443-4
• Not compliant with ISO/IEC 18092

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] -> [......xxxxxxxxxx]
[Key: ffffffffffff] -> [......xxxxxxxxxx]
[Key: a0a1a2a3a4a5] -> [//////xxxxxxxxxx]
[Key: d3f7d3f7d3f7] -> [//////xxxxxxxxxx]
[Key: 000000000000] -> [//////xxxxxxxxxx]
[Key: b0b1b2b3b4b5] -> [x/////xxxxxxxxxx]
[Key: 4d3a99c351dd] -> [x/////xxxxxxxxxx]
[Key: 1a982c7e459a] -> [x/////xxxxxxxxxx]
[Key: aabbccddeeff] -> [x/////xxxxxxxxxx]
[Key: 714c5c886e97] -> [x/////xxxxxxxxxx]
[Key: 587ee5f9350f] -> [x/////xxxxxxxxxx]
[Key: a0478cc39091] -> [x/////xxxxxxxxxx]
[Key: 533cb6c723f6] -> [x/////xxxxxxxxxx]
[Key: 8fd0a4f256e9] -> [x/////xxxxxxxxxx]

Sector 00 - Found Key A: a0a1a2a3a4a5 Found Key B: b0b1b2b3b4b5
Sector 01 - Found Key A: a0a1a2a3a4a5 Unknown Key B
Sector 02 - Found Key A: a0a1a2a3a4a5 Unknown Key B
Sector 03 - Found Key A: a0a1a2a3a4a5 Unknown Key B
Sector 04 - Found Key A: a0a1a2a3a4a5 Unknown Key B
Sector 05 - Found Key A: a0a1a2a3a4a5 Unknown Key B
Sector 06 - Found Key A: ffffffffffff Found Key B: ffffffffffff
Sector 07 - Found Key A: ffffffffffff Found Key B: ffffffffffff
Sector 08 - Found Key A: ffffffffffff Found Key B: ffffffffffff
Sector 09 - Found Key A: ffffffffffff Found Key B: ffffffffffff
Sector 10 - Found Key A: ffffffffffff Found Key B: ffffffffffff
Sector 11 - Found Key A: ffffffffffff Found Key B: ffffffffffff
Sector 12 - Found Key A: ffffffffffff Found Key B: ffffffffffff
Sector 13 - Found Key A: ffffffffffff Found Key B: ffffffffffff
Sector 14 - Found Key A: ffffffffffff Found Key B: ffffffffffff
Sector 15 - Found Key A: ffffffffffff Found Key B: ffffffffffff

Using sector 00 as an exploit sector
Sector: 1, type B, probe 0, distance 65439 .....
Sector: 1, type B, probe 1, distance 65439 .....
Sector: 1, type B, probe 2, distance 65439 .....
Sector: 1, type B, probe 3, distance 65439 .....
Sector: 1, type B, probe 4, distance 65439 .....
Sector: 1, type B, probe 5, distance 65439 .....
Sector: 1, type B, probe 6, distance 65439 .....
Sector: 1, type B, probe 7, distance 65439 .....
Sector: 1, type B, probe 8, distance 65439 .....
Sector: 1, type B, probe 9, distance 65439 .....
Sector: 1, type B, probe 10, distance 65439 .....
Sector: 1, type B, probe 11, distance 65439 .....
Sector: 1, type B, probe 12, distance 65439 .....
Sector: 1, type B, probe 13, distance 65439 .....
Sector: 1, type B, probe 14, distance 65439 .....
Sector: 1, type B, probe 15, distance 65439 .....
Sector: 1, type B, probe 16, distance 65439 .....