System, apparatus and method for privacy preserving distributed attestation for devices
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United States of America Patent
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Jan 23, 2018
Grant Date -
Dec 15, 2016
app pub date -
Sep 21, 2015
filing date -
Jun 9, 2015
priority date (Note) -
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Abstract
In one embodiment, a method includes receiving, in a system of an external verifier of a first network, a plurality of attestation reports and a plurality of attestation values from a plurality of reporting nodes of the first network, each of the plurality of attestation values randomly generated in the corresponding reporting node based on a common random seed value; determining whether at least a threshold number of the plurality of attestation values match; responsive to at least the threshold number of the plurality of attestation values matching, decrypting the plurality of attestation reports, processing the decrypted plurality of attestation reports to obtain aggregated telemetry data of the plurality of nodes, where identity of the plurality of nodes remains anonymous to the external verifier; and enforcing a security policy based at least in part on the aggregated telemetry data. Other embodiments are described and claimed.
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