Chameleon: A Versatile Emulator for Contactless Smartcards

  title={Chameleon: A Versatile Emulator for Contactless Smartcards},
  author={Timo Kasper and Ingo von Maurich and David Oswald and Christof Paar},
We develop a new, custom-built hardware for emulating contactless smartcards compliant to ISO 14443. The device is based on a modern low-cost microcontroller and can support basically all relevant (cryptographic) protocols used by contactless smartcards today, e.g., those based on AES or Triple-DES. As a proof of concept, we present a full emulation of Mifare Classic cards on the basis of our highly optimized implementation of the stream cipher Crypto1. The implementation enables the creation… CONTINUE READING

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