The Bussard-Bagga and Other Distance-Bounding Protocols Under Attacks

Provided by: EPFL
Topic: Security
Format: PDF
The communication between an honest prover and an honest verifier can be intercepted by a malicious Man-in-the-Middle (MiM), without the legitimate interlocutors noticing the intrusion. The attacker can simply relay messages from one party to another, eventually impersonating the prover to the verifier and possibly gaining the privileges of the former. This sort of simple relay attacks are prevalent in wireless communications (e.g., RFID-based protocols) and can affect several infrastructures from contactless payments to remote car-locking systems and access-control verification in high-security areas.

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