Computer Engineering and Applications ›› 2016, Vol. 52 ›› Issue (12): 131-135.

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Efficient certificateless aggregate signcryption scheme based on XOR

LIU Jianhua1,2, ZHAO Changxiao2, MAO Kefei3   

  1. 1.Aviation Engineering Institute, Civil Aviation Flight University of China, Guanghan, Sichuan 618307, China
    2.Tianjin Key Laboratory of Civil Aircraft Airworthiness and Maintenance, Civil Aviation University of China, Tianjin 300300, China
    3.School of Electronic and Information Engineering, Beihang University, Beijing 100191, China
  • Online:2016-06-15 Published:2016-06-14

高效的无证书聚合签密方案

刘建华1,2,赵长啸2,毛可飞3   

  1. 1.中国民航飞行学院 航空工程学院,四川 广汉 618307
    2.中国民航大学 天津市民用航空器适航与维修重点实验室,天津 300300
    3.北京航空航天大学 电子信息工程学院,北京 100191

Abstract: Most of current signcryption schemes allow users to aggregate ciphertexts after ciphertexts of signcryption are generated. In order to improve the efficiency of aggregate signcryption, a new certificateless aggregate signcryption scheme based on XOR is proposed, which can designate aggregator beforehand. Any user can be designated as aggregator, the aggregator can initiate a signcryption protocol, and aggregate ciphertexts if he/she receives the ciphertexts from the users. Under the random oracle model, the scheme is proven to be existentially unforgeable and confidential. Compared with current aggregate signcryption scheme, the proposed scheme is more efficient.

Key words: designated aggregator, exclusive OR(XOR), efficient, certificateless aggregate signcryption

摘要: 现有的聚合签密方案大多是签密后由任意用户对签密进行聚合。为了提高聚合签密的效率,设计了一种新的基于异或运算(exclusive OR,XOR)的无证书聚合签密方案。该方案可预先指定任意用户为聚合者,并由聚合者发起签密协议,各用户对消息签密后再由聚合者进行聚合。证明了该方案在随机预言模型下满足不可伪造性和保密性。与现有的几种聚合签密方案相比,提出的签密方案具有计算效率高的优点。

关键词: 指定聚合者, 异或运算, 高效, 无证书聚合签密