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- Sanket Satpathy, Paul W. Cuff
- 2015 IEEE International Symposium on Information…
- 2015

We study secure source-coding with causal disclosure, under the Gaussian distribution. The optimality of Gaussian auxiliary random variables is shown in various scenarios. We explicitly characterize the tradeoff between the rates of communication and secret key. This tradeoff is the result of a mutual information optimization under Markov constraints. As a… (More)

- Sanket Satpathy, Paul Cuff
- IEEE Transactions on Information Theory
- 2013

We consider the problem of generating correlated random variables in a distributed fashion, where communication is constrained to a cascade network. The first node in the cascade observes an i.i.d. sequence <inline-formula> <tex-math notation="LaTeX">$X^{n}$ </tex-math></inline-formula> locally before initiating communication along the cascade. All nodes… (More)

- Sanket Satpathy, Paul W. Cuff
- 2014 IEEE International Symposium on Information…
- 2014

We investigate the problem of secure source coding with a two-sided helper in a game-theoretic framework. Alice (A) and Helen (H) view iid correlated information sequences X<sup>n</sup> and Y<sup>n</sup> respectively. Alice communicates to Bob (B) at rate R, while H broadcasts a message to both A and B at rate R<sub>H</sub>. Additionally, A and B share… (More)

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