Question: 9. We proved in class that if a cryptosystem has perfect secrecy, then #K > #M. Give an example of a cryptosystem with #K =

9. We proved in class that if a cryptosystem has perfect secrecy, then #K > #M. Give an example of a cryptosystem with #K = #M = #C = 3 that has perfect secrecy, and show explicitly that it has perfect secrecy

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