Strong forward-secure proxy signature scheme

doi:10.3778/j.issn.1002-8331.2010.30.030

Computer Engineering and Applications ›› 2010, Vol. 46 ›› Issue (30): 101-103.DOI: 10.3778/j.issn.1002-8331.2010.30.030

• 网络、通信、安全 • Previous Articles Next Articles

Strong forward-secure proxy signature scheme

Alimjan AYSA¹，Turgun IBRAHIM²，Kurban OBUL²，Askar HAMDULLA²

1.Center of Modern Education Technology，Xinjiang University，Urumqi 830046，China
2.College of Information Science and Engineering，Xinjiang University，Urumqi 830046，China

Received:2009-03-16 Revised:2009-05-11 Online:2010-10-21 Published:2010-10-21
Contact: Alimjan AYSA

强前向安全的代理签名方案

阿力木江.艾沙¹，吐尔根.依不拉音²，库尔班.吾布力²，艾斯卡尔.艾木都拉²

1.新疆大学现代教育技术中心，乌鲁木齐 830046
2.新疆大学信息科学与工程学院，乌鲁木齐 830046

通讯作者: 阿力木江.艾沙

Abstract

Abstract: Forward-secure proxy signature schemes can not protect the security of the signatures generated after the proxy key exposure.Based on the forward-secure proxy signature scheme proposed by Wang Tianyin，et al，a strong forward-secure proxy signature scheme with key exposure detection is proposed by introducing the mechanism of one-way hash chain.Even if the malicious attacker can intrude the system at certain period，he can not forge any signatures in the past and future periods.

Key words: forward security, strong forward security, proxy signature, one-way hash chain

摘要： 前向安全代理签名方案无法保证代理者密钥泄漏后未来时段代理签名的安全性。基于单向散列链，对王天银等提出的前向安全代理签名方案进行了改进，使该方案的代理签名具有强前向安全性：即使代理密钥被泄露，攻击者也无法伪造过去和未来时段的代理签名，并且具有密钥泄露检测功能。

关键词: 前向安全, 强前向安全, 代理签名, 单向散列链

CLC Number:

TP309

Alimjan AYSA¹，Turgun IBRAHIM²，Kurban OBUL²，Askar HAMDULLA².

Strong forward-secure proxy signature scheme

[J]. Computer Engineering and Applications, 2010, 46(30): 101-103.

阿力木江.艾沙¹，吐尔根.依不拉音²，库尔班.吾布力²，艾斯卡尔.艾木都拉². 强前向安全的代理签名方案[J]. 计算机工程与应用, 2010, 46(30): 101-103.

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Strong forward-secure proxy signature scheme

强前向安全的代理签名方案

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