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一个高效安全的空间加密方案
  • ISSN号：1006-2467
  • 期刊名称：上海交通大学学报
  • 时间：2012.9.28
  • 页码：1361-1365
  • 分类：TP309.7[自动化与计算机技术—计算机系统结构;自动化与计算机技术—计算机科学与技术]
  • 作者机构：[1]上海交通大学计算机科学与工程系,上海200240
  • 相关基金：国家自然科学基金资助项目（60970110,61033014,61161140320）
  • 相关项目：信息安全协议分析新方法
作者： 戚成杰|戚成杰|董晓蕾|董晓蕾|
关键词： 空间加密, 身份基加密, 自适应, 安全性, 合数群, 双系统, spatial encryption, identity based encryption, self-adaption, security, composite order group dual system
中文摘要：

将空间向量对应于合数群上的元素，基于三素数子群判定问题，利用双系统技术构造了一个在自适应的模型下更加有效、安全的空间加密方案．结果表明，由于不需要进行大量的矩阵运算，所提出的加密方案具有较高的效率和良好的性能．

英文摘要：

Spatial encryption was first introduced as an instance of generalized identity-based encryption by Boneh and Hamburg in 2008. Their scheme is only secure in selective model. This paper constructed a full secure and more efficient spatial encryption scheme which differs from Boneh and Hamburg＇s scheme. The paper introduces a technique to map a vectors to elements of groups. Then it applies the dual system technique. With this technique and the three composite order bilinear groups decision problem, it can prove full security of the scheme in adaptive model. Because of only computing in composite groups without matrix, the efficiency of the scheme is much improved.

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期刊信息
  • 《上海交通大学学报》
  • 中国科技核心期刊
  • 主管单位:中华人民共和国教育部
  • 主办单位:上海交通大学
  • 主编：郑杭
  • 地址：上海市华山路1954号15F
  • 邮编：200030
  • 邮箱：shjt@chinajournal.net.cn
  • 电话：021-62933373 62932534
  • 国际标准刊号：ISSN：1006-2467
  • 国内统一刊号：ISSN：31-1466/U
  • 邮发代号:4-256
  • 获奖情况:
  • 1996年全国优秀科技期刊奖,1992年、1996年、1999年国家教育部系统优秀科技期刊奖,2002年“百种重点期刊奖”,2003年百种中国杰出学术期刊,2004年教育部全国高校优秀科技期刊一等奖,2004年“百种重点期刊奖”
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  • 被引量:30903