Forum › MIFARE and NFC Reader IC`s › How to calculate Access Bit for Mifare Classic 1k › Reply To: How to calculate Access Bit for Mifare Classic 1k
Thank you for the insightful post!
https://www.mifare.net/support/forum/topic/what-is-mifare-classic-1k-access-bits-means-how-to-calculate-and-use-it/
The link you post above, i understand how they can achieve the following located below.
However, using the Figure 10 from Page 12 of http://cache.nxp.com/documents/data_sheet/MF1S50YYX_V1.pdf, I still had a problem understanding how we can determine the read and write permission of the data block from the Access Bit of a card that we had e.g, FF 07 80.
Thank you.
https://www.mifare.net/support/forum/topic/what-is-mifare-classic-1k-access-bits-means-how-to-calculate-and-use-it/
The link you post above, i understand how they can achieve the following located below.
C10 = 1, C20 = 1, C30 = 0, - Data Block
C11 = 1, C21 = 1, C31 = 0, - Data Block
C12 = 1, C22 = 1, C32 = 0, - Data Block
C13 = 0, C23 = 1, C33 = 1 - Sector Trailer
However, using the Figure 10 from Page 12 of http://cache.nxp.com/documents/data_sheet/MF1S50YYX_V1.pdf, I still had a problem understanding how we can determine the read and write permission of the data block from the Access Bit of a card that we had e.g, FF 07 80.
Thank you.
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