개선된 원 라운드 인증 그룹 키 합의 프로토콜
An Improved One Round Authenticated Group Key Agreement
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Several identity-based and authenticated key agreement protocols have been proposed. It remains at issue to design secure identity based and authenticated key agreement protocols. In this paper, we propose a one round authenticated group key agreement protocol which uses one more key pair as well as the public key and private key of typical IBE(Identity-Based Encryption) system. The proposed protocol modified Shi et al.'s protocol and He et al.'s protocol. The public and private keys and the signature process of our protocol are simpler than them of their protocols. Our protocol is secure and more efficient than their protocols in communication and computation costs.
Abstract
Several identity-based and authenticated key agreement protocols have been proposed. It remains at issue to design secure identity based and authenticated key agreement protocols. In this paper, we propose a one round authenticated group key agreement protocol which uses one more key pair as well as the public key and private key of typical IBE(Identity-Based Encryption) system. The proposed protocol modified Shi et al.'s protocol and He et al.'s protocol. The public and private keys and the signature process of our protocol are simpler than them of their protocols. Our protocol is secure and more efficient than their protocols in communication and computation costs.
참고문헌 (11)
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- X. Du, "An ID-based authenticated two round multiparty key agreement", ePrint 2003-247, ~ (2003)
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- F. Zhang, "Attack on ID-based authenticated group key agreement schemes", IACR ePrint 2003-259, ~ (2003)
- X. Du, "An Improved ID-based authenticated group key agreement scheme", IACR ePrint 2003-260, ~ (2003)
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- Y. Z. He, "An Efficient Authenticated Group key agreement protocol", Security Technology, IEEE International Carnahan Conference, pp.250~254 (2007)
- X. Chen, "A new ID-based group signature scheme from bilinear pairings", IACR ePrint 2003-116, ~ (2003)
- K. K. R. Choo, "Revisit of McCullagh- Barreto two-party ID- based authenticated key agreement Protocols", International journal of network security, pp.154~160 (2005)