An eCK-Secure Authenticated Key Exchange Protocol without Random Oracles

被引：0
|
作者：
Moriyama, Daisuke [1 ]
Okamoto, Tatsuaki [2 ]
机构：
[1] Inst Informat Secur, Kanagawa Ku, 2-14-1 Tsuruya Cho, Yokohama, Kanagawa 2210835, Japan
[2] Nippon Telegraph & Tel Corp, Musashino, Tokyo 180, Japan
来源：
PROVABLE SECURITY, PROCEEDINGS | 2009年 / 5848卷
关键词：
D O I：
暂无
中图分类号：
TP301 [理论、方法];
学科分类号：
081202 ;
摘要：
This paper presents a (PKI-based) two-pass authenticated key exchange (AKE) protocol that is secure in the extended Canetti-Krawczyk (eCK) security model. The security of the proposed protocol is proven without random oracles (under three assumptions), and relies on no implementation techniques such as a trick by LaMacchia. Lauter and Mityagin (so-called the NAXOS trick). Since an AKE protocol that is eCK-secure under a NAXOS-like implementation trick will be no more eCK-secure if some realistic information leakage occurs through side-channel attacks, it has been an important open problem how to realize an eCK-secure AKE protocol without using the NAXOS tricks (and without random oracles).
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页码：154 / +
页数：3
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