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Crypto HNQ
Crypto HNQ
5:04 AM
2
Q: Why the simulator should be a PPT in simulation-based security?

namasikanamI am wondering, if the simulator is not PPT, what intuitive and formal contradiction we will have? For example, if we can only have a simulator in exponential time. This PPT condition for simulator seems not come from computational hardness, since even for perfectly secure multiparty computation,...

provable-security multiparty-computation

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