Efficient CCA-Secure CDH Based KEM Balanced between Ciphertext and Key

被引：0
作者：
Liu, Yamin [1 ]
Li, Bao [1 ]
Lu, Xianhui [1 ]
Jia, Dingding [1 ]
机构：
[1] Chinese Acad Sci, Grad Univ, State Key Lab Informat Secur, Beijing 100049, Peoples R China
来源：
INFORMATION SECURITY AND PRIVACY | 2011年 / 6812卷
关键词：
computational Diffie-Hellman; twin Diffie-Hellman; key encapsulation mechanism; standard model; COMPUTATIONAL DIFFIE-HELLMAN; ENCRYPTION; ATTACK;
D O I：
暂无
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
In this paper we construct an efficient CCA-secure key encapsulation scheme in the standard model. The new scheme is based on the computational Diffie-Hellman assumption and the twinning technique; which has been widely discussed in recent years. Compared with previous schemes of the same kind, the new scheme is more generic, and offers a simple approach for reconciling ciphertext length and key size by altering a parameter. Choosing a reasonable value for the parameter, a balance between the ciphertext length and key size could be achieved.
引用
收藏
页码：310 / 318
页数：9
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