Abstract
Identity-based key agreement protocol affords a natural way to combine the participant’s identity with its public key. However, most of them just consider the key agreement in a single private key generator (PKG) environment. In addition, the existing key agreement protocols have a great computing overhead for mobile computing which is more and more popular today. This paper proposes a new identity based key agreement protocol. With the help of mathematical tools, we make our protocol applied in multiple PKG environment. It also satisfies all the security properties which is set for key agreement protocol. Moreover, some of its time-consuming operations can be delivered to untrusted public computation resources, so its computing complexity can be greatly reduced.
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Foundation item: Supported by the National Natural Science Foundation of China(61103194)
Biography: ZHOU Huan, male, Master candidate, research direction: network communications and information security.
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Zhou, H., Wang, X. & Su, J. An efficient identity-based key agreement protocol in a multiple PKG environment. Wuhan Univ. J. Nat. Sci. 19, 455–460 (2014). https://doi.org/10.1007/s11859-014-1039-8
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DOI: https://doi.org/10.1007/s11859-014-1039-8