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2024 06 v.29 34-41
基于智能合约的多用户匿名无证书可搜索加密方案
基金项目(Foundation): 国家自然科学基金项目(62072369,62072371); 陕西省重点研发计划项目(2020ZDLGY08-04); 陕西省创新能力支持计划项目(2020KJXX-052); 陕西省自然科学基金项目(2024JC-YBMS-545)
邮箱(Email):
DOI: 10.13682/j.issn.2095-6533.2024.06.005
中文作者单位:

西安邮电大学网络空间安全学院;

摘要(Abstract):

为了更好地实现数据安全检索,提出一种基于智能合约的多用户匿名无证书可搜索加密方案。该方案利用智能合约执行关键词密文与搜索陷门的匹配任务,向用户发送正确的密文。同时,使用广播加密技术传递对称密钥,确保用户对搜索得到的密文进行相应的解密,并利用密钥生成中心对用户的身份进行匿名性保护。安全性分析结果表明,关键词密文和陷门均具有不可区分性,且所提方案在关键词猜测攻击下是安全的。性能分析结果表明,与其他方案相比较,该方案的计算量和通信代价更小、效率更高。

关键词(KeyWords): 无证书可搜索加密;匿名性;多用户;智能合约;关键词猜测攻击
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基本信息:

DOI:10.13682/j.issn.2095-6533.2024.06.005

中图分类号:TP309.7

引用信息:

[1]郑东,康春蕾,郭瑞.基于智能合约的多用户匿名无证书可搜索加密方案[J].西安邮电大学学报,2024,29(06):34-41.DOI:10.13682/j.issn.2095-6533.2024.06.005.

基金信息:

国家自然科学基金项目(62072369,62072371); 陕西省重点研发计划项目(2020ZDLGY08-04); 陕西省创新能力支持计划项目(2020KJXX-052); 陕西省自然科学基金项目(2024JC-YBMS-545)

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