Stateful Public-Key Encryption Schemes Forward-Secure Against State Exposure

被引:1
作者
Baek, Joonsang [1 ]
Vu, Quang Hieu [2 ]
Shoufan, Abdulhadi [1 ]
Jones, Andrew [1 ]
Wong, Duncan S. [3 ]
机构
[1] Khalifa Univ Sci Technol & Res, Abu Dhabi, U Arab Emirates
[2] Etisalat British Telecom Innovat Ctr, Abu Dhabi, U Arab Emirates
[3] City Univ Hong Kong, Hong Kong, Hong Kong, Peoples R China
关键词
stateful public key encryption; state exposure; forward security;
D O I
10.1093/comjnl/bxs151
中图分类号
TP3 [计算技术、计算机技术];
学科分类号
0812 ;
摘要
We put forward a notion of forward security for stateful public-key encryption against state exposure and chosen ciphertext attack. This new notion is important in mobile applications in which small devices that perform 'stateful encryptions' are vulnerable to attacks which can result in the compromise of internal states. We precisely formulate a security definition and propose two efficient schemes which are provably secure under standard computational assumptions.
引用
收藏
页码:497 / 507
页数:11
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