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#1 2018-08-24 01:11:44

Registered: 2018-05-13
Posts: 133

How to do JCOP door card?

I moved to a new dorm with this new black thin door keyfob.

proxmark3> hf 14a reader
ATQA : 03 44         
UID : 24 XX XX XX XX XX X0           
SAK : 20 [1]         
MANUFACTURER : NXP Semiconductors Germany         
TYPE : NXP MIFARE DESFire 4k | DESFire EV1 2k/4k/8k | Plus 2k/4k SL3 | JCOP 31/41         
proprietary non iso14443-4 card found, RATS not supported         
Answers to chinese magic backdoor commands: NO   

is this Desfire chip? is it possible to clone this by snooping communication between the reader and tag?


#2 2018-12-25 20:11:03

Registered: 2016-06-10
Posts: 51

Re: How to do JCOP door card?

most probably it's an mifare desfire chip.
What is the output of "mf des info"?


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