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Title: A security framework for privacy-preserving data aggregationin wireless sensor networks
Authors: Chan, A.C.-F. 
Castelluccia, C.
Keywords: Adaptive chosen ciphertext attacks
Concealed data aggregation
Privacy-preserving data aggregation
Provable security
Semantic security
Issue Date: 2011
Citation: Chan, A.C.-F., Castelluccia, C. (2011). A security framework for privacy-preserving data aggregationin wireless sensor networks. ACM Transactions on Sensor Networks 7 (4). ScholarBank@NUS Repository.
Abstract: A formal treatment to the security of Concealed Data Aggregation (CDA) and the more general Private Data Aggregation (PDA) is given. While there exist a handful of constructions, rigorous security models and analyses for CDA or PDA are still lacking. Standard security notions for public key encryption, including semantic security and indistinguishability against chosen ciphertext attacks, are refined to cover the multisender nature and aggregation functionality of CDA and PDA in the security model. The proposed security model is sufficiently general to cover most application scenarios and constructions of privacy-preserving data aggregation. An impossibility result on achieving security against adaptive chosen ciphertext attacks in CDA/PDA is shown. A generic CDA construction based on public key homomorphic encryption is given, along with a proof of its security in the proposed model. The security of a number of existing schemes is analyzed in the proposed model. © 2011 ACM.
Source Title: ACM Transactions on Sensor Networks
ISSN: 15504859
DOI: 10.1145/1921621.1921623
Appears in Collections:Staff Publications

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