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Please use this identifier to cite or link to this item: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/40511

Title: An Identity-Based Key-Insulated Encryption with Message Linkages for Peer-to-Peer Communication Network
Authors: Chien-Lung Hsu
Han-Yu Lin
Contributors: 國立臺灣海洋大學:資訊工程學系
Keywords: bilinear pairing
message linkages
Date: 2013
Issue Date: 2017-01-19T06:37:13Z
Publisher: Transactions on Internet and Information Systems
Abstract: Abstract: Key exposure is a major threat to secure cryptosystems. To mitigate the impact caused by key-compromise attacks, a key-insulated cryptographic mechanism is a better alternative. For securing the large message communication in peer-to-peer networks, in this paper, we propose the first novel identity-based key-insulated encryption (IB-KIE) scheme with message linkages. Our scheme has the properties of unbounded time periods and random-access key-updates. In the proposed scheme, each client can periodically update his private key while the corresponding public one remains unchanged. The essential security assumption of our proposed scheme is based on the well-known bilinear Diffie-Hellman problem (BDHP). To ensure the practical feasibility, we also formally prove that the proposed scheme achieves the security requirement of confidentiality against indistinguishability under adaptive chosen-ciphertext attacks (IND-CCA2) in the random oracle model.
Relation: 7(11)
URI: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/40511
Appears in Collections:[資訊工程學系] 期刊論文

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