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对一类无证书强代理签名方案的攻击及改进
  • 期刊名称：北京邮电大学学报，2010年1月，第33卷第1期，80-83，EI
  • 时间：0
  • 分类：TN918[电子电信—通信与信息系统;电子电信—信息与通信工程]
  • 作者机构：[1]北京邮电大学网络与交换技术国家重点实验室,北京100876
  • 相关基金：国家自然科学基金项目（60873191,60903152,60821001）;北京市自然科学基金项目（4072020）
  • 相关项目：通信网的网络理论和技术
关键词： 无证书公钥体制, 代理签名, 替换公钥攻击, 双线性对, certificateless public key cryptography, proxy signature, public key replacement attack, bilinear pairings
中文摘要：

通过对一类已有的高效无证书强代理签名方案进行分析，给出了该方案所存在的一种替换公钥攻击，指出了该方案存在的安全问题，表明了攻击者可以通过替换原始签名者的公钥伪造代理授权，进而伪造代理签名．针对该攻击提出了一种改进方案，使其克服了原方案所存在的问题，具有更高的安全性．

英文摘要：

A proposal of efficient certificateless signature scheme is presented to insecure against public key replacement attack. It is shown that an adversary who replaces the public key of the original signer can forge valid proxy delegations for the corresponding proxy signer without knowledge of the signer＇s pri- vate key, and can even forge valid proxy signatures. To thwart this attack, an improved scheme is further proposed, which is not only more securer but also avoids the problems of the original scheme.

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MSTP业务管理系统的分析与设计
数据中心多维感知的资源联合优化调整策略(英文)
基于贝叶斯模型的高效主动探测算法(英文)
无线泛在网的用户体验质量综合评估机制(英文)
基于非均衡变异离散粒子群算法的QoS全局最优Web服务选择方法
基于DSP6000的实验室安全控制系统研究
基于支持向量机与余弦夹角法的中文网页过滤的研究与设计
基于遗传算法的聚焦爬虫搜索策略设计与研究
Fast coding in digital steganography
Improving the security of secure deterministic communication scheme based onquantum remote state preparation
Improving the security of secure deterministic communication scheme based onquantum remote state preparation
Virtual network mapping algorithm for large-scale network environment
GPSA： A Greedy Pull-based Scheduling Approach for P2P Live Streaming under Heterogeneous Environments
Automatic Approach to Ontology Evolution Based on Change Impact Comparisons
GF（2~（192））域上ECC加密的FPGA实现
eTOM与ITIL融合方法研究
基于第三方支付的移动数字作品交易模型
NMS-EMS网络管理接口标准现状综述及展望
Quantum secret sharing between multiparty and multiparty with entanglement swapping
Quantum secret sharing between multiparty and multiparty with entanglement swapping
Secure authentication of classical messages with single photons
Secure authentication of classical messages with single photons
Entanglement distribution using three-mode separable state with imperfect equipments
Entanglement distribution using three-mode separable state with imperfect equipments
General description of discriminating quantum operations
General description of discriminating quantum operations