New Construction of Fuzzy Identity-Based Encryption

被引：5
|
作者：
Li, XiMing [1 ]
Yang, Bo [1 ]
Zhang, MingWu [1 ]
机构：
[1] S China Agr Univ, Informat Coll, Guangzhou, Guangdong, Peoples R China
来源：
2009 WASE INTERNATIONAL CONFERENCE ON INFORMATION ENGINEERING, ICIE 2009, VOL I | 2009年
关键词：
Fuzzy Identity-Based Encryption; Decisional Bilinear Diffie-Hellman Assumption; dynamic threshold;
D O I：
10.1109/ICIE.2009.175
中图分类号：
TP3 [计算技术、计算机技术];
学科分类号：
0812 ;
摘要：
In this paper the concept of Fuzzy Identity-Based Encryption schemes with dynamic threshold (DT-FIBE) is proposed and one construction of it is presented. DT-FIBE scheme can be viewed as a variant of SW scheme described by Amit Sahai and Brent Waters in EUROCRYPT 2005 in which the threshold is fixed. The scheme are both error-tolerant and secure against collusion attacks in the fuzzy selective-ID attack model. Under a new complexity assumption: k-BDH assumption, a comprehensive secure proof is given.
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页码：647 / 651
页数：5
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