Attribute-Based Encryption for Circuits from Multilinear Maps

被引：0

作者：

Garg, Sanjam ^{[1
]}

Gentry, Craig ^{[2
]}

Halevi, Shai ^{[2
]}

Sahai, Amit ^{[1
]}

Waters, Brent ^{[3
]}

机构：

[1] Univ Calif Los Angeles, Los Angeles, CA 90024 USA

[2] IBM Res Corp, Yorktown Hts, NY USA

[3] UT Austin, Austin, TX USA

来源：

ADVANCES IN CRYPTOLOGY - CRYPTO 2013, PT II | 2013年 / 8043卷

关键词：

FUNCTIONAL ENCRYPTION;

D O I：

暂无

中图分类号：

TP301 [理论、方法];

学科分类号：

081202 ;

摘要：

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.

引用

页码：479 / 499

页数：21

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