Our Online Store have the new products: RFID antenna board. Currently it can work with JC10M24R and JCOP4 card chips.
Compared with normal cards, the antenna board module has a smaller size and fixed holes, which is easy to integrate in the IOT(Internet Of Things) project.

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by djamelo
Wed Jun 05, 2019 12:29 pm
Forum: Reader
Topic: KeyA and KeyB and how to protect the contacless card from cloning?
Replies: 0
Views: 36280

KeyA and KeyB and how to protect the contacless card from cloning?

Hi all, I have a Pos terminal that can write into contactless mifare card and read from contactless mifare card. For writing a Key A I use; cCard_.loadKey(aKey, eKeyStore); eKeyStore = 0; aKey[6] = {“FF”,”FF”,”FF”,”FF”,”FF”,”FF”} My access bits KeyA is in Sector 1 Block 3. Which means trailer block ...
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