Abstract
In two-party secure computation, a pair of mutually- distrusting and potentially malicious parties attempt to evaluate a function f(x, y) of private inputs x and y, held respectively by each, with-out revealing anything but f(x, y) and without involving a trusted third party. This goal has been achieved with varying degrees of generality and efficiency using a variety of primitives, including combined oblivious transfer (OT) [GMW87], abstract oblivious transfer [K88], and committed oblivious transfer [CTG95].
This work introduces the concept of a two-party one-time table (OTT), a novel primitive that is theoretically equivalent to precomputed OT. The OTT is tailored to support field computations rather than single-bit logical operations, thereby streamlining higher-level computations, particularly where information-theoretic security is demanded.
The two-party one-time table is also motivated by the ease with which it can be constructed using simple resources provided by one or more partly-trusted external servers. This commodity-based approach strengthens overall security by ensuring that information flows strictly from servers to Alice and Bob, removing the need to trust third parties with the sensitive data itself
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© 1998 Springer-Verlag Berlin Heidelberg
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Beaver, D. (1998). One-Time Tables for Two-Party Computation. In: Hsu, WL., Kao, MY. (eds) Computing and Combinatorics. COCOON 1998. Lecture Notes in Computer Science, vol 1449. Springer, Berlin, Heidelberg. https://doi.org/10.1007/3-540-68535-9_40
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DOI: https://doi.org/10.1007/3-540-68535-9_40
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