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基于身份的密钥协商方案 被引量:6

ID-based Key Agreement Scheme
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摘要 文章利用椭圆曲线上双线性映射的特性,分别提出了基于身份的双方密钥协商方案和三方密钥协商方案。通过较少的步骤,同时实现密钥协商和用户相互认证,其代价低于使用证书的密钥协商方案。文章最后对方案的正确性、安全性进行了简单分析。 ID-based two-party and tri-party key agreement schemes are proposed, in which some characteristics of bilinear pairings are used. The users may arrange the shared key and authenticate each other by a of scheme has lower cost than those by certificates. Finally, its validity and security characters
出处 《信息安全与通信保密》 2007年第3期102-104,共3页 Information Security and Communications Privacy
关键词 密钥协商 双线性对 基于ID DIFFIE-HELLMAN问题 key agreement bilinear pairings ID-based Diffie-Hellman problem few messages. This kind are briefly analyzed
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参考文献8

  • 1[1]Joux A.A one round protocol for tripartite Diffie-Hellman.In:Algorithmic Number Theory IV-th Symposium(ANTS IV),Computer Science,2000:385-394.
  • 2[2]S Al Riyami,Paterson K.Authenticated three party key agreement Protocols from pairings.Cryptology ePrint Archive,Report 2002/035,available at http://eprint.iacr.org/2002/035/.
  • 3[3]Smart N.An ID-based authenticated key agreement protocol based on the Weil pairing.Elec Lett,2002,38(13):630-632.
  • 4[4]Shim K.Efficient ID-based authenticated key agreement protocol from the Weil pairing.Elect.Lett,2003,39:653-654.
  • 5[5]Sun H,Hsieh B.Security analysis of Shim's authenticated key agreementprotocols from pairings.Cryptogarphy ePrint Archive,Report 2003/113,available at http://eprint.iacr.org/2003/113,2003.
  • 6[6]Xie G.An ID-based key agreement scheme from pairing.Cryptology ePrint Archive:Report 2005/093,available at http://eprint.iacr.org/2005/093,2005.
  • 7[7]Choie Y J,Jeong E,Lee E.Efficient identity-based authenticated key agreement protocol from Pairings.Applied Mathematics and Computation,162(1):179-188.
  • 8[8]KyungAh Shim.Cryptanalysis of Two IDbased Authenticated Key Agreement Protocols from Pairings.http://eprint.iacr.org/2005.

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