DRDO – IISc Programme on Advanced Research in Mathematical Engineering The Shannon Cipher System with a Guessing Wiretapper : General Sources ( TR-PME-2009-04 ) by Manjesh


The Shannon cipher system is studied in the context of general sources using a notion of computational secrecy introduced by Merhav & Arikan. Bounds are derived on limiting exponents of guessing moments for general sources. The bounds are shown to be tight for iid, Markov, and unifilar sources, thus recovering some known results. A close relationship… (More)


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