Reply To: Classic 1K : Write To A Previous Block Without Re-Authenticating

Forum MIFARE general topics and applications Classic 1K : Write To A Previous Block Without Re-Authenticating Reply To: Classic 1K : Write To A Previous Block Without Re-Authenticating

Re: Classic 1K : Write To A Previous Block Without Re-Authenticating

19. March 2018 at 9:17
Hi Matthew,

Yes, you must authenticate again. Therefore it is useful, to collect data in one sector which are need to be read together. The MIFARE Classic 1K contains 16 sectors with 4 blocks, but the Classic 4K contains 32 sectors with 16 blocks and 8 sectors with 16 blocks. So, if you need more than 4 consecutive blocks, you ca use the 4K card.

The TapLinx team

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