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Oblivious Transfer with Access Control : Realizing Disjunction without Duplication
[chapter]
2010
Lecture Notes in Computer Science
Oblivious Transfer with Access Control (AC-OT) is a protocol which allows a user to obtain a database record with a credential satisfying the access policy of the record while the database server learns nothing about the record or the credential. The only AC-OT construction that supports policy in disjunctive form requires duplication of records in the database, each with a different conjunction of attributes (representing one possible criterion for accessing the record). In this paper, we
doi:10.1007/978-3-642-17455-1_7
fatcat:2yn3nlcp5fc3vlzpaen3p7tlmq