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Lecture Notes in Computer Science
We construct a functional encryption scheme for circuits which simultaneously achieves and improves upon the security of the current best known, and incomparable, constructions from standard assumptions: reusable garbled circuits by Goldwasser, Kalai, Popa, Vaikuntanathan and Zeldovich (STOC 2013) [GKP + 13] and predicate encryption for circuits by Gorbunov, Vaikuntanathan and Wee (CRYPTO 2015) [GVW15]. Our scheme is secure based on the learning with errors (LWE) assumption. Our constructiondoi:10.1007/978-3-319-63688-7_1 fatcat:fqlsymnqybcu3bc6acwdlx2lku