Questions tagged [mifare]

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0answers
145 views

Identifying and cloning NFC Card double size UID - type mifare plus 7 byte 2k or classic 7 byte 1k

I am trying to clone/write copies of an NFC card. I am using an ACR122U-A9 receiver and running nfc-tools on a kali linux VM. The card I am trying to clone is identified as a Mifare Classic 1k tag ...
4
votes
1answer
109 views

How to tell Mifare Plus from others?

How would one determine what version of Mifare a system is using, if one only has access to the fob? For example: https://www.amazon.com/MIFARE-Blue-Key-Fobs-RFID/dp/B011PJXG0U From the product info ...
1
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0answers
40 views

Security of RFID/NFC card Payment [closed]

You are standing in front of a building with 3 rooms and have a NXP Mifare Classic 1k card. In the first room is a device (device1) that can do the following things: Shows how much money is on the ...
2
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2answers
1k views

Why do DESFire and Mifare Plus cards offer a random UID feature?

Why do DESFire cards and Mifare Plus cards offer a Random UID feature? What risks should it mitigate or what features should it offer?
1
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0answers
571 views

NFC Android (Ntag213 vs Ultralight C)

I have an (university) project where I basically write and read text out of NFC Tags with Android devices in order to store one's balance in the card (wich can be used on the cafeteria, for example). ...
1
vote
1answer
3k views

Is there a way to clone Mifare DESfire EV1 key sent by a NFC reader?

If I understood well its functioning, the card send an ID (NFC tag) if it has received a correct encryption key. Probably by the reader? So it must be possible to attack the reader instead of the ...
1
vote
1answer
415 views

mifare desfire ev1 security with wiegand and rs485

I have learned a lot on access badge rfid but something there is not much in the google world. I know Mifare Desfire ev1 works like apps with several keys for each app. As of now it is the most ...
1
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0answers
632 views

NFC Forum Type 4 Tag and NXP MIFARE DESFire EV2?

I have some comprehension problems regarding the NFC Forum Type 4 Tag capabilities of NXP MIFARE DESFire EV2. I found the NXP Application Note AN1104 regarding NFC Forum Type 4 Tag and NXP MIFARE ...
1
vote
2answers
2k views

Securing authenticity of mifare cards, protection against cloning

I am designing a workflow for issuing and acquiring of voucher cards for a client and the chosen technology for the cards has been mifare desfire. I have a lot of experience with credit cards and we ...
3
votes
3answers
829 views

mifare classic 1k for micropayments

Can Mifare Classic 1k be used for micro payments in a secure way? I have a system in mind for use in a arcade game saloon. You are getting a card from cashier and can top it up for example with 100 ...
3
votes
0answers
384 views

Can we capture security key used in an NFC connection for Mifare Classic?

Millions of NFC Mifare Classic cards are used for public transport, access control and other purposes. These NFC tags use encryption so that the data on NFC tag cannot be read or changed by someone ...
2
votes
1answer
1k views

Mifare Plus X vulnerabilities [closed]

I have just purchased a Mifare Plus X (MF1PLUSx0) for a security project. I know that there are exploits against Mifare Classic cards (using tools such as Mfoc and Mfcuk), but are there similar ...