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The Cricket location-support system
MobiCom '00 Proceedings of the 6th annual international conference on Mobile computing and networking
Chord: A scalable peer-to-peer lookup service for internet applications
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Handbook of Applied Cryptography
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Beginning Cryptography in Java
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SSYM'04 Proceedings of the 13th conference on USENIX Security Symposium - Volume 13
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In this work, we define the Nearest Doctor Problem (NDP) for finding the closest doctor in case of an emergency and present a secure multi-party computation for solving it. The solution is based on a privacy-preserving cryptographic protocol and makes use of the current location of each participating doctor. The protocol is efficient and protects the privacy of the location of all doctors. A prototype implementing the proposed solution for a community of doctors that use mobile devices to obtain their current location is presented.