Welcome to the resource topic for 2013/128
Title:
Attribute-Based Encryption for Circuits from Multilinear Maps
Authors: Sanjam Garg, Craig Gentry, Shai Halevi, Amit Sahai, Brent Waters
Abstract:In this work, we provide the first construction of Attribute-Based Encryption (ABE) for general circuits. Our construction is based on the existence of multilinear maps. We prove selective security of our scheme in the standard model under the natural multilinear generalization of the BDDH assumption. Our scheme achieves both Key-Policy and Ciphertext-Policy variants of ABE. Our scheme and its proof of security directly translate to the recent multilinear map framework of Garg, Gentry, and Halevi. This paper is the result of a merge of the works of Garg, Genry, and Halevi and of Sahai and Waters, and subsumes both these works.
ePrint: https://eprint.iacr.org/2013/128
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