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The Gaussian wire-tap channel

IEEE Transactions on Information Theory · 1978 · Vol. 24(4) · pp. 451–456

S. Leung-Yan-Cheong✉(Stanford Medicine)Martin E. Hellman(Stanford University)

Abstract

Wyner's results for discrete memoryless wire-tap channels are extended to the Gaussian wire-tap channel. It is shown that the secrecy capacity Cs is the difference between the capacities of the main and wire.tap channels. It is further shown that Rd= Cs is the upper boundary of the achievable rate-equivocation region.

Wireless Communication Security Techniques Chaos-based Image/Signal Encryption DNA and Biological ComputingChannel (broadcasting)GaussianTopology (electrical circuits)MathematicsComputer sciencePhysicsTelecommunicationsCombinatorics

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