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.

Customize JavaCard ATR

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Customize JavaCard ATR

Post by openxdev » Fri Jan 28, 2022 3:43 am

I have a legacy contact card (non java card). I am able to emulate the legacy card command set. Would it be possible to also change the ATR of my javacard to be the same as my legacy card ? From my understanding, ATR defines card communication parameters and since each chip has its own properties, does this mean this is not possible ? Thanks.

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Re: Customize JavaCard ATR

Post by roundtable » Fri May 20, 2022 8:20 am

Yes, it is impossible to change ATR of javacard if you don't have its reference manual.

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