Journal on Communications
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Abstract: It is one of important applications of secure multiparty computation that privacy-preserving SQL computation in distributed relational database. There are only few works dealing with provably-secure privacy-preserving data manipulations in contrast with comparatively abundant works on privacy-preserving data-query in database, among which the join operator is the most powerful in generating new data (relation). By making use of anonymous IBE (identity-based encryption) scheme and its user private-keys blind generation techniques, a very general cryptographic protocol framework is proposed for secure 2-party join computation. This construction is provably GUC (generalized universally composable) secure in the standard model with acceptable efficiency.
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URL: https://www.infocomm-journal.com/txxb/EN/
https://www.infocomm-journal.com/txxb/EN/Y2014/V35/I11/12