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The bottleneck-complexity (BC) of secure multiparty computation (MPC) protocols is a measure of the maximum number of bits which are sent and received by any party in protocol. As the name suggests, the goal of studying BC-efficient protocols is to increase overall efficiency by making sure that the workload in the protocol is somehow “amortized” by the protocol participants. Orlandi et al. [28] initiated the study of BC-efficient protocols from simple assumptions in the correlated randomness model and for semi-honest adversaries. In this work, we extend the study of [28] in two primary directions: (a) to a larger and more general class of functions and (b) to the information-theoretic setting. In particular, we offer semi-honest secure protocols for the useful function classes of abelian programs, “read-k” non-abelian programs, and “read-k” generalized formulas. Our constructions use a novel abstraction, called incremental function secret-sharing (IFSS), that can be instantiated with unconditional security or from one-way functions (with different efficiency trade-offs).
Original language | English |
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Title of host publication | 4th Conference on Information-Theoretic Cryptography, ITC 2023 |
Editors | Kai-Min Chung |
Place of publication | Wadern |
Publisher | Schloss Dagstuhl--Leibniz-Zentrum für Informatik |
Publication year | Jul 2023 |
Pages | 11:1-11:22 |
Article number | 11 |
ISBN (electronic) | 9783959772716 |
DOIs | |
Publication status | Published - Jul 2023 |
Event | 4th Conference on Information-Theoretic Cryptography, ITC 2023 - Aarhus, Denmark Duration: 6 Jun 2023 → 8 Jun 2023 |
Conference | 4th Conference on Information-Theoretic Cryptography, ITC 2023 |
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Land | Denmark |
By | Aarhus |
Periode | 06/06/2023 → 08/06/2023 |
Series | Leibniz International Proceedings in Informatics, LIPIcs |
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Volume | 267 |
ISSN | 1868-8969 |
Publisher Copyright:
© Hannah Keller, Claudio Orlandi, Anat Paskin-Cherniavsky, and Divya Ravi; licensed under Creative Commons License CC-BY 4.0 4th Conference on Information-Theoretic Cryptography (ITC 2023)
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ID: 341299953