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So far I'm using ST CH95HR tranceiver to send and receive data. Anticolision alg. works with no problem.
Mifare ultralight can be read/write with no problem (no crypt). I meet problem during authentication in case of Mifare 1K and Mifare 4K.
Card: Mifare 1K
Card ID: 0x2D 0x4E 0x03 0x17
Sector Key: 0xFF 0xFF 0xFF 0xFF 0xFF 0xFF
Reader challenge: 0x00 0x00 0x00 0x00
I have next seq:
R->C 0x60 0x00
C->R 0x08 0x23 0xB3 0x16 -> (this is card challenge)
( 21 9f 44 07 2d e6 e4 6f -> this are reader challenge + next card challenge crypted
00 01 00 00 01 00 01 00 -> this are parity bits calculated
21 3e 13 39 d0 d2 1c f9 37 -> this represent reader challenge + next card challenge + parity bits)
R->C 21 3e 13 39 d0 d2 1c f9 37 -> no reply from card side. (should I send CRC? - no info in docu regarding CRC.)
I mention that I use crypto 1 to crypt data and calculate bits parity. Are this values correct?
If yes why I don't get any reply from card.
Thank you very much in advence.
R->C = reader to card
C->R = card to reader
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