Questions tagged [rfid]
Radio Frequency identification
98 questions
1 vote
0 answers
57 views
Garage door RF receivers' memory [closed]
As far as I have been able to research, devices such as the Aprimatic RX2C provide a shortcut for the installer to grant their exclusive administration of the receiver and the memorized or allowed ...
- 123
3 votes
1 answer
212 views
Understanding and Troubleshooting TAG IC Signature Verification Failure
I have a number of NFC tags with the following metadata: [usb] pm3 --> hf mfu info [=] --- Tag Information -------------------------- [+] TYPE: NTAG 215 504bytes (NT2H1511G0DU) [+] ...
- 131
0 votes
0 answers
138 views
How to avoid non-in-person "handshakes" and spoofing due to compromised URL data on NFC card
I am designing a system that allows users to purchase my NFC cards and sign up for an account on my online SaaS website. The System For the sake of explanation, assume the website is hosted at domain ...
2 votes
1 answer
2k views
Mifare Desfire authentication process / cloning protection
I am trying to write a small explanation for a customer, who wants to understand why his Mifare Desfire transponders are safe from being cloned. I was trying to search for an easy scheme or text that ...
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0 votes
0 answers
2k views
Is using the CSN of a mifare desfire EV2 safe?
From what I know, Mifare Classic cards are easy to copy/clone using a device such as a flipperzero, and it has to do with authentication using the CSN (card serial number) However, let's say that a ...
- 1
3 votes
3 answers
4k views
Can a security system detect there are multiple copies of a single-issued fob?
My building gave me a single fob. I made 3 copies of it for my family and they all opened the building entrance but not my actual apartment door, until one day the building told me they had noticed I ...
0 votes
0 answers
30 views
How to prevent contactless cards RFID signal cloning [duplicate]
I have always been sceptical about contactless. It offers little security. I've even heard of cases where the RFID signal has been captured onto mobile devices. My questions are. Is there anything ...
- 95
1 vote
3 answers
12k views
Tricky apartment key fob copies frequency & code correctly but the copy doesn't work - not a rolling fob
I have this key fob for our apartment building, and I want to make a copy of it. I've taken it to 3 locksmiths who are able to create a copy, but the copies don't work. I've confirmed that it doesn't ...
user245365
0 votes
0 answers
178 views
What kind of security protocols do current NFC or RFID based technologies use?
I have an information security class this semester, and I need to write a paper evaluating how secure NFC and RFID technology is. A lot of questions previously asked here are at least 3 years old, and ...
- 1
3 votes
1 answer
1k views
Is it possible to emulate a full (mifare 1k) card with the ChameleonMini (Rev.G 2)?
I am testing a lock box I own, it uses a Mifare 1k lock with default key, and I use a keyfob to unlock it. I have both a Proxmark3 and a ChameleonMini. With the Proxmark3 I am able to both clone the ...
- 234
1 vote
3 answers
2k views
Defending against Wiegand sniffing (ESPKey) attacks in RFID card readers
It's known that card readers, which use the Wiegand format, can be attacked by installing a sniffer, such as an ESPKey. After the sniffer is installed, whenever anyone uses the reader, their ...
- 265
1 vote
1 answer
2k views
Are there any contactless (RFID/NFC) card vulnerabilities that are still unsolved? even minor ones
The title is pretty self explanatory. The market is pretty secretive about these kinds of matter since companies won't give out vulnerabilities for attackers to abuse and will give out vulnerabilities ...
- 25
0 votes
1 answer
756 views
Does UHF RFID implement any security at all?
Feel free to correct my below logic. As far as I can tell, HF RFID tags (specifically I've tested MiFare Classic 1kb) have a 48-bit encryption key (default to 0xFFFFFFFFFFFF or something) to protect ...
0 votes
2 answers
281 views
What are the different types of RFID shields for cards? (Some seem to block 1 side only, some affects all nearby cards regardless of side, etc.)
I'm new to RFID blocking and find it interesting. I came across this video to learn more and just have 2 questions https://www.youtube.com/watch?v=NKwJwOm3bfI Why would Vaultcard (4:42-5:30) protect ...
- 1
2 votes
1 answer
761 views
RFID // Understanding security of Standard-UID
We are evaluating how to improve security on our RFID System. Our system was reviewed by someone finding the point that there are duplicate Tags we must get rid of. So the first idea was to read the ...
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