Location leakage in distance bounding: Why location privacy does not work
Computers & Security(2014)
摘要
In many cases, we can only have access to a service by proving we are sufficiently close to a particular location (e.g. in automobile or building access control). In these cases, proximity can be guaranteed through signal attenuation. However, by using additional transmitters an attacker can relay signals between the prover and the verifier. Distance-bounding protocols are the main countermeasure against such attacks; however, such protocols may leak information regarding the location of the prover and/or the verifier who run the distance-bounding protocol.
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关键词
Location privacy,Distance-bounding,Authentication,Location indistinguishability,Relay attacks
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