li0ard
aka Nikolai Konovalov
# mini-apps
Mifare Classic access bits calculator
Data Blocks
Block 0-2
| Block | C1 | C2 | C3 | Access |
|---|---|---|---|---|
| 0 | Key A|B Key A|B Key A|B Key A|B | |||
| 1 | Key A|B Key A|B Key A|B Key A|B | |||
| 2 | Key A|B Key A|B Key A|B Key A|B |
Sector Trailer
Block 3
| C1 | C2 | C3 | Access |
|---|---|---|---|
Never Key A Key A Never Key A Key A |
Data block rules
| C1 C2 C3 | R | W | INC | DEC / TR / RE |
|---|---|---|---|---|
| 000 | Key A|B | Key A|B | Key A|B | Key A|B |
| 001 | Key A|B | Never | Never | Key A|B |
| 010 | Key A|B | Never | Never | Never |
| 011 | Key B | Key B | Never | Never |
| 100 | Key A|B | Key B | Never | Never |
| 101 | Key B | Never | Never | Never |
| 110 | Key A|B | Key B | Key B | Key A|B |
| 111 | Never | Never | Never | Never |
Trailer block rules
| C1 C2 C3 | R KEY A | W KEY A | R BITS | W BITS | R KEY B | W KEY B |
|---|---|---|---|---|---|---|
| 000 | Never | Key A | Key A | Never | Key A | Key A |
| 001 | Never | Key A | Key A | Key A | Key A | Key A |
| 010 | Never | Never | Key A | Never | Key A | Never |
| 011 | Never | Key B | Key B | Key B | Never | Key B |
| 100 | Never | Key B | Key A|B | Never | Never | Key B |
| 101 | Never | Never | Key A|B | Key B | Never | Never |
| 110 | Never | Never | Key A|B | Never | Never | Never |
| 111 | Never | Never | Key A|B | Never | Never | Never |
