Perfect forward secure identity-based authenticated key agreement protocol in the escrow mode

The majority of existing escrowable identity-based key agreement protocols only provide partial forward secrecy. Such protocols are, arguably, not suitable for many real-word applications, as the latter tends to require a stronger sense of forward secrecy--perfect forward secrecy. In this paper, we...

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Bibliographic Details
Published in:Science China. Information sciences 2009-08, Vol.52 (8), p.1358-1370
Main Authors: Wang, ShengBao, Cao, ZhenFu, Cheng, ZhaoHui, Choo, Kim-Kwang Raymond
Format: Article
Language:English
Subjects:
Computer Science
Information Systems and Communication Service
保密意识
前向安全
双线性
安全性
密钥协议
有效率
身份认证
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Summary:The majority of existing escrowable identity-based key agreement protocols only provide partial forward secrecy. Such protocols are, arguably, not suitable for many real-word applications, as the latter tends to require a stronger sense of forward secrecy--perfect forward secrecy. In this paper, we propose an efficient perfect forward-secure identity-based key agreement protocol in the escrow mode. We prove the security of our protocol in the random oracle model, assuming the intractability of the Gap Bilinear Diffie-Hellman （GBDH） problem.
ISSN:1009-2757
1674-733X
1862-2836
1869-1919
DOI:10.1007/s11432-009-0135-4