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2 selected articles

For Anything: proxmarkii - cq.cx

For Anything: proxmarkii

This device is obsolete; my proxmark3 replaces it completely. I will leave the description, but it is of only historical interest.

My initial prox card `cloner' did the job, but it was not very general. Because I use analog circuitry to demodulate the signal from the antenna, the hardware is capable of dealing with only a single...

A Test Instrument for HF/LF RFID - cq.cx

A Test Instrument for HF/LF RFID

This device can do almost anything involving almost any kind of low-(~125 kHz) or high-(~13.56 MHz) frequency RFID tag. It can act as a reader. It can eavesdrop on a transaction between another reader and a tag. It can analyze the signal received over the air more closely, for example to perform an attack in which we derive information from the tag's instantaneous...

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