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cs.IT2025
Local Information-Theoretic Security via Euclidean Geometry
Emmanouil M. Athanasakos, Nicholas Kalouptsidis, Hariprasad Manjunath
This paper introduces a methodology based on Euclidean information theory to investigate local properties of secure communication over discrete memoryless wiretap channels. We form…
cs.IT2025
Sparse Regression Codes for Secret Key Agreement: Achieving Strong Secrecy and Near-Optimal Rates for Gaussian Sources
Emmanouil M. Athanasakos, Hariprasad Manjunath
Secret key agreement from correlated physical layer observations is a cornerstone of information-theoretic security. This paper proposes and rigorously analyzes a complete, constru…
cs.IT2024
Local Approximation of Secrecy Capacity
Emmanouil M. Athanasakos, Nicholas Kalouptsidis, Hariprasad Manjunath
This paper uses Euclidean Information Theory (EIT) to analyze the wiretap channel. We investigate a scenario of efficiently transmitting a small amount of information subject to co…