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JAMIA
2011

A secure protocol for protecting the identity of providers when disclosing data for disease surveillance

13 years 23 days ago
A secure protocol for protecting the identity of providers when disclosing data for disease surveillance
Background Providers have been reluctant to disclose patient data for public-health purposes. Even if patient privacy is ensured, the desire to protect provider confidentiality has been an important driver of this reluctance. Methods Six requirements for a surveillance protocol were defined that satisfy the confidentiality needs of providers and ensure utility to public health. The authors developed a secure multi-party computation protocol using the Paillier cryptosystem to allow the disclosure of stratified case counts and denominators to meet these requirements. The authors evaluated the protocol in a simulated environment on its computation performance and ability to detect disease outbreak clusters. Results Theoretical and empirical assessments demonstrate that all requirements are met by the protocol. A system implementing the protocol scales linearly in terms of computation time as the number of providers is increased. The absolute time to perform the computations was 12.5 ...
Khaled El Emam, Jun Hu, Jay Mercer, Liam Peyton, M
Added 15 Sep 2011
Updated 15 Sep 2011
Type Journal
Year 2011
Where JAMIA
Authors Khaled El Emam, Jun Hu, Jay Mercer, Liam Peyton, Murat Kantarcioglu, Bradley Malin, David Buckeridge, Saeed Samet, Craig Earle
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