Express: Lowering the Cost of Metadata-hiding Communication with Cryptographic Privacy

20 Nov 2019Saba EskandarianHenry Corrigan-GibbsMatei ZahariaDan Boneh

Existing systems for metadata-hiding messaging that provide cryptographic privacy properties have either high communication costs, high computation costs, or both. In this paper, we introduce Express, a metadata-hiding communication system that significantly reduces both communication and computation costs... (read more)

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