Efficient certificateless convertible limited verifier signature scheme

doi:10.3778/j.issn.1002-8331.2009.15.029

Computer Engineering and Applications ›› 2009, Vol. 45 ›› Issue (15): 99-101.DOI: 10.3778/j.issn.1002-8331.2009.15.029

• 网络、通信、安全 • Previous Articles Next Articles

Efficient certificateless convertible limited verifier signature scheme

LIANG Zhong-yin¹,YANG Xiao-yuan^1,2,WEI Ping¹,ZHOU Xuan-wu^1,2

1.Key Laboratory of Network & Information Security of APF，Engineering College of APF，Xi’an 710086，China
2.Key Laboratory of Network & Information Security of the Ministry of Education，Xidian University，Xi’an 710071，China

Received:2008-03-21 Revised:2008-06-10 Online:2009-05-21 Published:2009-05-21
Contact: LIANG Zhong-yin

一类高效的无证书可转换限定验证者签名

梁中银¹,杨晓元^1,2,魏萍¹,周宣武^1,2

1.武警工程学院电子技术系网络与信息安全武警部队重点实验室，西安 710086
2.西安电子科技大学网络信息安全教育部重点实验室，西安 710071

通讯作者: 梁中银

Abstract

Abstract: Limited verifier signature can solve the conflict between authenticity and privacy in the digital signature.This paper proposes a new certificateless convertible limited verifier signature which is provably secure under the random oracle model and the CDH assumption.This paper shows that the scheme satisfies all the requirements of the limited verifier signature schemes in the certificateless system.Comparing with the existing schemes，the new scheme is more efficient in computation.

Key words: certificateless cryptosystem, digital signature, limited verifier signature, bilinear pairing

摘要： 限定验证者签名可以同时实现传统数字签名签名者身份的认证和保密，满足特殊场合的需要。提出了一个新的无证书可转换限定验证者签名，新方案满足无证书可转换限定验证签名的安全性要求，并在随机预言机模型和CDH困难问题假设下证明了新方案是安全的。从计算效率上分析表明新方案在签名阶段没有双线性对运算，明显优于Wu等人的无证书限定验证者签名方案。

关键词: 无证书公钥密码体制, 数字签名, 限定验证者签名, 双线性对

LIANG Zhong-yin¹,YANG Xiao-yuan^1,2,WEI Ping¹,ZHOU Xuan-wu^1,2. Efficient certificateless convertible limited verifier signature scheme[J]. Computer Engineering and Applications, 2009, 45(15): 99-101.

梁中银¹,杨晓元^1,2,魏萍¹,周宣武^1,2. 一类高效的无证书可转换限定验证者签名[J]. 计算机工程与应用, 2009, 45(15): 99-101.

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Efficient certificateless convertible limited verifier signature scheme

一类高效的无证书可转换限定验证者签名

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