Authentication and authenticated key exchanges
Designs, Codes and Cryptography
Random oracles are practical: a paradigm for designing efficient protocols
CCS '93 Proceedings of the 1st ACM conference on Computer and communications security
Entity authentication and key distribution
CRYPTO '93 Proceedings of the 13th annual international cryptology conference on Advances in cryptology
STOC '98 Proceedings of the thirtieth annual ACM symposium on Theory of computing
Communications of the ACM
Threshold Password-Authenticated Key Exchange
CRYPTO '02 Proceedings of the 22nd 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
Efficient 1-Out-n Oblivious Transfer Schemes
PKC '02 Proceedings of the 5th International Workshop on Practice and Theory in Public Key Cryptosystems: Public Key Cryptography
Encrypted Key Exchange: Password-Based Protocols SecureAgainst Dictionary Attacks
SP '92 Proceedings of the 1992 IEEE Symposium on Security and Privacy
Authenticated key exchange secure against dictionary attacks
EUROCRYPT'00 Proceedings of the 19th international conference on Theory and application of cryptographic techniques
Anonymous password-based authenticated key exchange
INDOCRYPT'05 Proceedings of the 6th international conference on Cryptology in India
Efficient k-out-of-n oblivious transfer schemes with adaptive and non-adaptive queries
PKC'05 Proceedings of the 8th international conference on Theory and Practice in Public Key Cryptography
Simple password-based encrypted key exchange protocols
CT-RSA'05 Proceedings of the 2005 international conference on Topics in Cryptology
The relationship between password-authenticated key exchange and other cryptographic primitives
TCC'05 Proceedings of the Second international conference on Theory of Cryptography
A New Anonymous Password-Based Authenticated Key Exchange Protocol
INDOCRYPT '08 Proceedings of the 9th International Conference on Cryptology in India: Progress in Cryptology
A Secure Construction for Threshold Anonymous Password-Authenticated Key Exchange
IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences
Very-Efficient Anonymous Password-Authenticated Key Exchange and Its Extensions
AAECC-18 '09 Proceedings of the 18th International Symposium on Applied Algebra, Algebraic Algorithms and Error-Correcting Codes
An efficient and provable secure PAKE scheme with robust anonymity
ICICA'12 Proceedings of the Third international conference on Information Computing and Applications
Anonymous password-based key exchange with low resources consumption and better user-friendliness
Security and Communication Networks
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At Indocrypt 2005, Viet et al., [20] have proposed an anonymous password-authenticated key exchange (PAKE) protocol and its threshold construction both of which are designed for client's password-based authentication and anonymity against a passive server, who does not deviate the protocol. In this paper, we first point out that their threshold construction is completely insecure against off-line dictionary attacks. For the threshold t 1, we propose a secure threshold anonymous PAKE (for short, TAP) protocol with the number of clients n upper-bounded, such that n ≤ 2√N - 1 - 1, where N is a dictionary size of passwords. We also show that the TAP protocol provides semantic security of session keys in the random oracle model, with the reduction to the computational Diffie-Hellman problem, as well as anonymity against a passive server. For the threshold t = 1, we propose an efficient anonymous PAKE protocol that significantly improves efficiency in terms of computation costs and communication bandwidth compared to the original (not threshold) anonymous PAKE protocol [20].