Welcome to the resource topic for 2023/1146
Title:
Structured Encryption for Indirect Addressing
Authors: Ruth Ng, Alexander Hoover, David Cash, Eileen Ee
Abstract:The Structured Encryption (StE) framework can be used to capture the encryption and querying of complex data structures on an honest-but-curious server. In this work, we introduce a new type of StE called indirectly addressed multimap encryption (IA-MME). We propose two IA-MME schemes: the the layered multimaps approach which extends and generalizes the existing “multimap chaining” approach, and a novel technique called the single multimap approach which has comparable efficiency and strictly better security. We demonstrate that our formalisms simplify and modularize StE solutions for real-world use cases in searchable encryption and SQL databases, and provide simulations demonstrating that our IA-MME constructions lead to tangible efficiency and security gains on realistic data.
ePrint: https://eprint.iacr.org/2023/1146
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