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題名 Identity-based password-authenticated key exchange for client/server model
作者 Yi, X.;Tso, Ray-Lin;Okamoto, E.
左瑞麟
貢獻者 資科系
關鍵詞 Client needs; Client/server models; Cryptographic key; Diffie-Hellman problem; Formal model; ID-based; Identity Based Encryption; Identity-based; PAKE; Password-authenticated key exchange; Private key; Private key generators; Provable security; Secure communications; Without random oracles; Cryptography; Knowledge management; Authentication
日期 2012
上傳時間 10-四月-2015 17:26:33 (UTC+8)
摘要 Password-Authenticated Key Exchange for Client/Server model (PAKE-CS) is where a client and a server, based only on their knowledge of a password, establish a cryptographic key for secure communication. In this paper, we propose a PAKE-CS protocol on the basis of identity-based encryption, where the client needs to remember a password only while the server keeps the password in addition to a private key related to his identity, where the private key is generated by multiple private key generators. Our protocol takes advantage of the features of client/server model and is more efficient than other PAKE-CS protocols in terms that it achieves explicit authentication with two-round communications only. In order to analyze the security of our protocol, we construct an ID-based formal model of security for PAKE-CS by embedding ID-based model into PAKE model. If the underlying identity-based encryption scheme has provable security without random oracle, we can provide a rigorous proof of security for our protocol without random oracles.
關聯 SECRYPT 2012 - Proceedings of the International Conference on Security and Cryptography
資料類型 conference
dc.contributor 資科系
dc.creator (作者) Yi, X.;Tso, Ray-Lin;Okamoto, E.
dc.creator (作者) 左瑞麟zh_TW
dc.date (日期) 2012
dc.date.accessioned 10-四月-2015 17:26:33 (UTC+8)-
dc.date.available 10-四月-2015 17:26:33 (UTC+8)-
dc.date.issued (上傳時間) 10-四月-2015 17:26:33 (UTC+8)-
dc.identifier.uri (URI) http://nccur.lib.nccu.edu.tw/handle/140.119/74497-
dc.description.abstract (摘要) Password-Authenticated Key Exchange for Client/Server model (PAKE-CS) is where a client and a server, based only on their knowledge of a password, establish a cryptographic key for secure communication. In this paper, we propose a PAKE-CS protocol on the basis of identity-based encryption, where the client needs to remember a password only while the server keeps the password in addition to a private key related to his identity, where the private key is generated by multiple private key generators. Our protocol takes advantage of the features of client/server model and is more efficient than other PAKE-CS protocols in terms that it achieves explicit authentication with two-round communications only. In order to analyze the security of our protocol, we construct an ID-based formal model of security for PAKE-CS by embedding ID-based model into PAKE model. If the underlying identity-based encryption scheme has provable security without random oracle, we can provide a rigorous proof of security for our protocol without random oracles.
dc.format.extent 176 bytes-
dc.format.mimetype text/html-
dc.relation (關聯) SECRYPT 2012 - Proceedings of the International Conference on Security and Cryptography
dc.subject (關鍵詞) Client needs; Client/server models; Cryptographic key; Diffie-Hellman problem; Formal model; ID-based; Identity Based Encryption; Identity-based; PAKE; Password-authenticated key exchange; Private key; Private key generators; Provable security; Secure communications; Without random oracles; Cryptography; Knowledge management; Authentication
dc.title (題名) Identity-based password-authenticated key exchange for client/server model
dc.type (資料類型) conferenceen