Improved certificateless digital signcryption scheme

doi:10.3778/j.issn.1002-8331.2010.27.025

Computer Engineering and Applications ›› 2010, Vol. 46 ›› Issue (27): 93-95.DOI: 10.3778/j.issn.1002-8331.2010.27.025

• 网络、通信、安全 • Previous Articles Next Articles

Improved certificateless digital signcryption scheme

LI Peng-cheng¹，HE Ming-xing^1，2，LI Xiao^1，2

1.Department of Computer and Mathematics，XiHua University，Chengdu 610039，China
2.Key Laboratory of Information Coding and Transmission，Sichuan Province，Southwest Jiaotong University，Chengdu 610031，China

Received:2010-02-22 Revised:2010-04-16 Online:2010-09-21 Published:2010-09-21
Contact: LI Peng-cheng

改进的无证书数字签密方案

李鹏程¹，何明星^1，2，李虓^1，2

1.西华大学数学与计算机学院，成都 610039
2.西南交通大学信息编码与传输四川省重点实验室，成都 610031

通讯作者: 李鹏程

Abstract

Abstract: Signcryption is an efficient cryptographic primitive，it combines digital signature and encryption functions，so it reduces the computation complexity and the communication cost.In this paper，a new efficient certificateless signcryption scheme is proposed.The proposed scheme is based on the DLP and CDHP.The new scheme only need two pairings in signcryption and de-signcryption stage，it is more efficient than the other certificateless signcryption schemes.

摘要： 签密是一个非常有效的密码学组件，它使传统的数字签名和公钥加密两个功能在一个逻辑算法中完成，从而大大降低了计算复杂度和通信代价。在离散对数问题（DLP）以及计算Diffie-Hellman问题（CDHP）假设下提出了一个新的高效的无证书数字签密方案。在提出方案的签密和解签密算法中，仅仅需要两次双线性对运算，比其他无证书签密方案效率更高。

CLC Number:

TP309

LI Peng-cheng¹，HE Ming-xing^1，2，LI Xiao^1，2. Improved certificateless digital signcryption scheme[J]. Computer Engineering and Applications, 2010, 46(27): 93-95.

李鹏程¹，何明星^1，2，李虓^1，2. 改进的无证书数字签密方案[J]. 计算机工程与应用, 2010, 46(27): 93-95.

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Improved certificateless digital signcryption scheme

改进的无证书数字签密方案

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