Privacy-preserving aggregation of time-series data with public verifiability from simple assumptions

K Emura - Information Security and Privacy: 22nd Australasian …, 2017 - Springer
Aggregator oblivious encryption was proposed by Shi et al.(NDSS 2011), where an
aggregator can compute an aggregated sum of data and is unable to learn anything else
(aggregator obliviousness). Since the aggregator does not learn individual data that may
reveal users' habits and behaviors, several applications, such as privacy-preserving smart
metering, have been considered. In this paper, we propose aggregator oblivious encryption
schemes with public verifiability where the aggregator is required to generate a proof of an …

Privacy-preserving aggregation of time-series data with public verifiability from simple assumptions and its implementations

K Emura, H Kimura, T Ohigashi… - The Computer …, 2019 - academic.oup.com
Aggregator oblivious encryption was proposed by Shi et al.(NDSS 2011). In this method, an
aggregator can compute an aggregated sum of data and is unable to learn anything else
(aggregator obliviousness). Since the aggregator does not learn individual data that may
reveal users' habits and behaviors, several applications including privacy-preserving smart
metering have been considered. In this paper, we propose an aggregator oblivious
encryption scheme with public verifiability where the aggregator is required to generate a …
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