Tag: NFC
-
How To Clone A VC Mifare DESFire
Mifare DESFire keycards are some of the most difficult keycards to clone. As such, they are used in access control, transit, closed loop payments, and many other sectors. Acquiring keys for DESFire cards has been borderline impossible thanks to its robust physical and digital security architecture. However, in recent years, technologies like Android HCE have…
-
Challenges of Designing Hardware
A few months ago, I set out to create KiKard, a custom NFC testing board meant for part two of my NFC Card emulation series. It was an ambitious project with some pretty lofty goals, but I felt somewhat confident that I could complete it within a month. Unfortunately, things did not go according to…
-
NFC Card Emulation
NFC and RFID are widespread technologies commonly used in services like contactless payments, item scanning, and security keycards. Over the years many technologies using NFC have been reverse engineered or hacked, resulting in tools like the proxmark or flipper zero. NXP, one of the big keycard manufacturers, has had multiple generations of their Mifare security cards…