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  CoVault: A Secure Analytics Platform

De Viti, R., Sheff, I., Glaeser, N., Dinis, B., Rodrigues, R., Katz, J., et al. (2022). CoVault: A Secure Analytics Platform. Retrieved from https://arxiv.org/abs/2208.03784.

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arXiv:2208.03784.pdf (Preprint), 2MB
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 Urheber:
De Viti, Roberta1, Autor           
Sheff, Isaac2, Autor
Glaeser, Noemi2, Autor
Dinis, Baltasar2, Autor
Rodrigues, Rodrigo2, Autor           
Katz, Jonathan2, Autor
Bhattacharjee, Bobby2, Autor
Hithnawi, Anwar2, Autor
Garg, Deepak3, Autor           
Druschel, Peter1, Autor           
Affiliations:
1Group P. Druschel, Max Planck Institute for Software Systems, Max Planck Society, ou_2105287              
2External Organizations, ou_persistent22              
3Group D. Garg, Max Planck Institute for Software Systems, Max Planck Society, ou_2105289              

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Schlagwörter: Computer Science, Cryptography and Security, cs.CR,Computer Science, Distributed, Parallel, and Cluster Computing, cs.DC
 Zusammenfassung: In a secure analytics platform, data sources consent to the exclusive use of
their data for a pre-defined set of analytics queries performed by a specific
group of analysts, and for a limited period. If the platform is secure under a
sufficiently strong threat model, it can provide the missing link to enabling
powerful analytics of sensitive personal data, by alleviating data subjects'
concerns about leakage and misuse of data. For instance, many types of powerful
analytics that benefit public health, mobility, infrastructure, finance, or
sustainable energy can be made differentially private, thus alleviating
concerns about privacy. However, no platform currently exists that is
sufficiently secure to alleviate concerns about data leakage and misuse; as a
result, many types of analytics that would be in the interest of data subjects
and the public are not done. CoVault uses a new multi-party implementation of
functional encryption (FE) for secure analytics, which relies on a unique
combination of secret sharing, multi-party secure computation (MPC), and
different trusted execution environments (TEEs). CoVault is secure under a very
strong threat model that tolerates compromise and side-channel attacks on any
one of a small set of parties and their TEEs. Despite the cost of MPC, we show
that CoVault scales to very large data sizes using map-reduce based query
parallelization. For example, we show that CoVault can perform queries relevant
to epidemic analytics at scale.

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Sprache(n): eng - English
 Datum: 2022-08-072022
 Publikationsstatus: Online veröffentlicht
 Seiten: 14 p.
 Ort, Verlag, Ausgabe: -
 Inhaltsverzeichnis: -
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 Identifikatoren: arXiv: 2208.03784
URI: https://arxiv.org/abs/2208.03784
BibTex Citekey: deViti2208.03784
 Art des Abschluß: -

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