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Physical layer secret key generation for fiber-optical networks
2013
Optics Express
We propose and experimentally demonstrate a method for generating and sharing a secret key using phase fluctuations in fiber optical links. The obtained key can be readily used to support secure communication between the parties. The security of our approach is based on a fundamental asymmetry associated with the optical physical layer: the sophistication of tools needed by an eavesdropping adversary to subvert the key establishment is significantly greater and more costly than the complexity
doi:10.1364/oe.21.023756
pmid:24104288
fatcat:kl2b4taatna2jfy7xlplap46vq