Ziggy

Traditional artist - tech enthusiast - engineer

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Homomorphic encryption's resistance surface is the set of cryptographic assumptions underlying the specific scheme in use. The assumption set is the same one underlying the post-quantum standards: learning-with-errors for lattice schemes, the hardness of decoding random linear codes for code-based schemes. A break in a specific scheme would affect the applications using that scheme; it would not break the family, because alternative schemes under different assumptions exist.

Homomorphic encryption's resistance surface is the set of cryptographic assumptions underlying the specific scheme in use. The assumption set is the same one underlying the post-quantum standards: learning-with-errors for lattice schemes, the hardness of decoding random linear codes for code-based schemes. A break in a specific scheme would affect the applications using that scheme; it would not break the family, because alternative schemes under different assumptions exist.Multi-party computation's resistance surface is the threshold model. The guarantee holds if and only if fewer than the threshold number of participants collude. A threshold must be chosen large enough that collusion is infeasible, and the participants must be chosen to have diverse incentives. The construction binds together through the social structure of the participant set as much as through the cryptographic math.