Identity-based cryptosystems and signature schemes
Proceedings of CRYPTO 84 on Advances in cryptology
An identity-based key-exchange protocol
EUROCRYPT '89 Proceedings of the workshop on the theory and application of cryptographic techniques on Advances in cryptology
Entity authentication and key distribution
CRYPTO '93 Proceedings of the 13th annual international cryptology conference on Advances in cryptology
A method for obtaining digital signatures and public-key cryptosystems
Communications of the ACM
Key Distribution Systems Based on Identification Information
CRYPTO '87 A Conference on the Theory and Applications of Cryptographic Techniques on Advances in Cryptology
Efficient Identification and Signatures for Smart Cards
CRYPTO '89 Proceedings of the 9th Annual International Cryptology Conference on Advances in Cryptology
On the Risk of Opening Distributed Keys
CRYPTO '94 Proceedings of the 14th Annual International Cryptology Conference on Advances in Cryptology
Key Agreement Protocols and Their Security Analysis
Proceedings of the 6th IMA International Conference on Cryptography and Coding
A New Identity-Based Key Exchange Protocol Minimizing Computation and Communication
ISW '97 Proceedings of the First International Workshop on Information Security
Security proofs for signature schemes
EUROCRYPT'96 Proceedings of the 15th annual international conference on Theory and application of cryptographic techniques
New directions in cryptography
IEEE Transactions on Information Theory
A public key cryptosystem and a signature scheme based on discrete logarithms
IEEE Transactions on Information Theory
Key distribution system based on identification information
IEEE Journal on Selected Areas in Communications
Security weaknesses of authenticated key agreement protocols
Information Processing Letters
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Many authenticated key agreement protocols based on identity information were published in recent years. Hsieh et al. presented their protocol in 2002. However, Tseng et al. found a flaw in the protocol which resulted in a key compromise impersonation attack. Later, Tseng proposed his protocol conforming which conforms to all desirable security properties and is efficient. In this paper we propose two new two-party identity-based authenticated key agreement protocols. The first is based on Hsieh et al.'s protocol and makes it immune against Tseng et al.'s attack, while the second is an efficiently improved protocol based on Tseng's protocol.