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      Financial Cryptography and Data Security 

      Multichannel Protocols to Prevent Relay Attacks

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          Quantum cryptography based on Bell’s theorem

          Physical Review Letters, 67(6), 661-663
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            Physical one-way functions.

            Modern cryptographic practice rests on the use of one-way functions, which are easy to evaluate but difficult to invert. Unfortunately, commonly used one-way functions are either based on unproven conjectures or have known vulnerabilities. We show that instead of relying on number theory, the mesoscopic physics of coherent transport through a disordered medium can be used to allocate and authenticate unique identifiers by physically reducing the medium's microstructure to a fixed-length string of binary digits. These physical one-way functions are inexpensive to fabricate, prohibitively difficult to duplicate, admit no compact mathematical representation, and are intrinsically tamper-resistant. We provide an authentication protocol based on the enormous address space that is a principal characteristic of physical one-way functions.
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              Distance-Bounding Protocols

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                Book Chapter
                2010
                : 4-19
                10.1007/978-3-642-14577-3_4
                307df482-a8dc-4891-bb60-c1053955f8aa
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