What is the Context of Function Secret Sharing?

Function Secret Sharing is a developing area in advanced cryptography, often appearing in news about privacy-preserving computations and secure multi-party computation (MPC). Its application in blockchain technology could enable confidential transactions or private smart contract execution where data remains hidden from individual nodes but verifiable collectively. Research continues on optimizing FSS for efficiency and practicality within distributed systems.

Function Secret Sharing

Definition

Function Secret Sharing (FSS) is a cryptographic primitive that allows a function to be secretly shared among multiple parties. Each party receives a share of the function such that they cannot determine the function itself individually. However, when all parties combine their shares, they can collectively compute the function’s output without revealing the function or the inputs to each other.

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∞Data Integrity

∞Private Information Retrieval

∞Query Privacy

PVPIR with Function Secret Sharing Ensures Auditable, Private Data Access

New FSS-based protocols enable publicly verifiable private information retrieval, allowing external auditing and robust data integrity in decentralized data access.

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∞Private Information Retrieval

∞Function Secret Sharing

∞Public Verifiability

New PVPIR Protocols Ensure Data Privacy and Verifiable Integrity

Novel PVPIR protocols ensure data integrity verification without revealing queries, critical for transparent, private decentralized systems.

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∞Discrete Logarithm

∞Multi-Party Systems

∞Distributed Systems

Publicly Verifiable PIR Protocols Enhance Data Integrity and Privacy for Multi-Party Systems

This research introduces publicly verifiable Private Information Retrieval, enabling external validation of query results without compromising data privacy or requiring secret keys.

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∞Decentralized Data

∞Cryptographic Assumptions

∞Public Verifiability

Publicly Verifiable PIR: Private Queries with Public Result Integrity

This research introduces Publicly Verifiable Private Information Retrieval, enabling transparent, auditable private data queries in decentralized systems.

PVPIR with Function Secret Sharing Ensures Auditable, Private Data Access

New PVPIR Protocols Ensure Data Privacy and Verifiable Integrity

Publicly Verifiable PIR Protocols Enhance Data Integrity and Privacy for Multi-Party Systems

Publicly Verifiable PIR: Private Queries with Public Result Integrity

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