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題名 Three-party password-authenticated key exchange without random oracles
作者 Yi, X.;Tso, Ray-Lin ; Okamoto, E.
左瑞麟
貢獻者 資訊科學系
關鍵詞 Client needs; Dictionary attack; Elgamal encryption; Formal model; Generic construction; ID-based; ID-based encryption; Identity Based Encryption; Password-authenticated key exchange; Private key; Random Oracle model; Session key; Three-party; Without random oracles; Access control; Computer crime; Cryptography
日期 2011-07
上傳時間 8-十月-2015 17:16:43 (UTC+8)
摘要 Password-authenticated key exchange (PAKE) in the 3-party setting is where two clients, who do not share a password between themselves but only with a server, establish a common session key with the help of the server. Abdalla, Fouque and Pointcheval were the first formally to address 3-party PAKE issue and presented a natural and generic construction from any 2-party PAKE protocols. Soon after, Abdalla and Pointcheval presented a more efficient 3-party PAKE protocol and proved its security in the random oracle model. In this paper, we present a new 3-party PAKE protocol on the basis of identity-based encryption and ElGamal encryption schemes. In our protocol, the client needs to remember passwords and the server`s identity only while the server keeps passwords in addition to a private key related to its identity. We have put forth a formal model of security for ID-based 3-party PAKE, and provided a rigorous proof of security for our protocol without random oracles.
關聯 SECRYPT 2011 - Proceedings of the International Conference on Security and Cryptography
資料類型 conference
dc.contributor 資訊科學系-
dc.creator (作者) Yi, X.;Tso, Ray-Lin ; Okamoto, E.-
dc.creator (作者) 左瑞麟-
dc.date (日期) 2011-07-
dc.date.accessioned 8-十月-2015 17:16:43 (UTC+8)-
dc.date.available 8-十月-2015 17:16:43 (UTC+8)-
dc.date.issued (上傳時間) 8-十月-2015 17:16:43 (UTC+8)-
dc.identifier.uri (URI) http://nccur.lib.nccu.edu.tw/handle/140.119/78883-
dc.description.abstract (摘要) Password-authenticated key exchange (PAKE) in the 3-party setting is where two clients, who do not share a password between themselves but only with a server, establish a common session key with the help of the server. Abdalla, Fouque and Pointcheval were the first formally to address 3-party PAKE issue and presented a natural and generic construction from any 2-party PAKE protocols. Soon after, Abdalla and Pointcheval presented a more efficient 3-party PAKE protocol and proved its security in the random oracle model. In this paper, we present a new 3-party PAKE protocol on the basis of identity-based encryption and ElGamal encryption schemes. In our protocol, the client needs to remember passwords and the server`s identity only while the server keeps passwords in addition to a private key related to its identity. We have put forth a formal model of security for ID-based 3-party PAKE, and provided 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 2011 - Proceedings of the International Conference on Security and Cryptography-
dc.subject (關鍵詞) Client needs; Dictionary attack; Elgamal encryption; Formal model; Generic construction; ID-based; ID-based encryption; Identity Based Encryption; Password-authenticated key exchange; Private key; Random Oracle model; Session key; Three-party; Without random oracles; Access control; Computer crime; Cryptography-
dc.title (題名) Three-party password-authenticated key exchange without random oracles-
dc.type (資料類型) conferenceen