Mifare Ultralight EV1: READ_CNT / INCR_CNT APDUs

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  • 1. June 2016 at 12:45

    Mohammed Fonseca Boukhalat
    Hello,

    I try to READ_CNT / INCR_CNT on a Mifare Ultralight EV1 card using a ACR1222L. So I try to send an APDU but I don't know how this APDU look like. Probably it contains the value 0x39 (READ_CNT command) and 0x00 (counter 0 address) for READ_CNT but I don't know what to write more CLA? INS? P1? P2?
    Could someone help me please?
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    Re: Mifare Ultralight EV1: READ_CNT / INCR_CNT APDUs

    1. June 2016 at 13:27

    mifaresdk

    Hi Mohammed,

    The communication ADPU is implemented by the manufacturer and each manufacturer do it in a different way. You need to study the User Manual of your reader model and check, how to access a dedicated tag or smartcard.

    The MIFARE Team
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