Private handshakes
conference paper
Private handshaking allows pairs of users to determine which (secret) groups they are both a member of. Group membership is kept secret to everybody else. Private handshaking is a more private form of secret handshaking [BRS+03], because it does not allow the group administrator to trace users. We extend the original definition of a handshaking protocol to allow and test for membership of multiple groups simultaneously. We present simple and efficient protocols for both the single group and multiple group membership case. Private handshaking is a useful tool for mutual authentication, demanded by many pervasive applications (including RFID) for privacy. Our implementations are efficient enough to support such usually resource constrained scenarios.
Topics
TNO Identifier
240362
Source title
4th European Workshop on Security and Privacy in Ad-hoc and Sensor Networks, ESAS 2007, 2 - 3 July 2007, Cambridge, UK
Pages
31-42
Files
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