Round-Optimal Password-Based Authenticated Key Exchange

被引:0
|
作者
Katz, Jonathan [1 ]
Vaikuntanathan, Vinod [2 ]
机构
[1] Univ Maryland, College Pk, MD 20742 USA
[2] Microsoft Res, Beijing, Peoples R China
来源
THEORY OF CRYPTOGRAPHY | 2011年 / 6597卷
基金
美国国家科学基金会;
关键词
SECURE; GENERATION; PROTOCOLS;
D O I
暂无
中图分类号
TP301 [理论、方法];
学科分类号
081202 ;
摘要
We show a general framework for constructing password-based authenticated key exchange protocols with optimal round complexity - one message per party, sent simultaneously in - the standard model, assuming a common reference string. When our framework is instantiated using bilinear-map cryptosysterns, the resulting protocol is also (reasonably) efficient. Somewhat surprisingly, our framework can be adapted to give protocols in the standard model that are universally composable while still using only one (simultaneous) round.
引用
收藏
页码:293 / +
页数:5
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