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普适计算环境中基于身份的密钥管理方案

Identity-based Key Management Scheme in Pervasive Computing Environments
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摘要 针对普适环境中的密钥管理问题,利用椭圆曲线加法群设计了一种新的基于身份的密钥管理方案。新方案利用门限秘密共享机制构建了分布式密钥生成中心,并设计了私钥更新、主密钥分量更新和会话密钥协商策略。与现有基于身份密钥管理方案相比,新方案具有更强的安全性和更高的执行效率。 Considering the key management in pervasive computing environments, this paper proposed a novel identity- based key management scheme from additive elliptic curve group. It employs the secret-sharing technique to construct distributed private key generators, and designs the methods of updating private key, updating host-key shares and nego- tiating session key. It can achieve higher security requirements and has higher efficiency compared with available identi- ty-based schemes.
作者 孙凌 田源
机构地区 河南商业高等专科学校郑州
出处 《计算机科学》 CSCD 北大核心 2013年第6期124-127,131,共5页 Computer Science
基金 河南省高等学校青年骨干教师资助计划基金项目(201104)资助
关键词 普适计算 密钥管理 基于身份的密码体制 门限机制 Pervasive computing, Key management, Identity-based cryptography, Threshold mechanism
分类号 TP393 [自动化与计算机技术—计算机应用技术]
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参考文献9

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二级参考文献43

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计算机科学
2013年 第6期

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