Adding timestamps to the secure electronic auction protocol
Data & Knowledge Engineering
A Payment Scheme for Broadcast Multimedia Streams
ISCC '01 Proceedings of the Sixth IEEE Symposium on Computers and Communications
Time-lock Puzzles and Timed-release Crypto
Time-lock Puzzles and Timed-release Crypto
On lattices, learning with errors, random linear codes, and cryptography
Proceedings of the thirty-seventh annual ACM symposium on Theory of computing
Enhanced Anonymous Auction Protocols with Freewheeling Bids
AINA '06 Proceedings of the 20th International Conference on Advanced Information Networking and Applications - Volume 01
A Multi-Agent Negotiation Testbed for Contracting Tasks with Temporal and Precedence Constraints
International Journal of Electronic Commerce
Technical challenges of network anonymity
Computer Communications
Comments on two anonymous conference key distribution systems
Computer Standards & Interfaces
Authenticating pervasive devices with human protocols
CRYPTO'05 Proceedings of the 25th annual international conference on Advances in Cryptology
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We modified the multi-agent negotiation test-bed which was proposed by Collins et al. In 2004, Jaiswal et al. have modified Collins's scheme, but Jaiswal's scheme still has some security weaknesses: such as replay data attack and DOS (denial-of-service) attack, anonymity disclosure, collision between customers and a certain supplier. So the proposed protocol tries to reduce DOS attack and avoids replay data attack by providing ticket token and deal sequence number to the supplier. It utilizes efficient LPN-based authentication method to accomplish lightweight authentication. And it publishes an interpolating polynomial for sharing the determination process data and avoids collusion between a customer and a certain supplier. Also the proposed scheme relaxes the trust assumptions for three-party in Jaiswal's scheme. According to comparison and analysis with other protocols, our proposed protocol shows good security and less computation cost.