| 数据库加密与密文数据查询技术综述 |
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| 引用本文： | 朱勤,骆轶姝,乐嘉锦.数据库加密与密文数据查询技术综述[J].东华大学学报(自然科学版),2007,33(4):543-548. |
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| 作者姓名： | 朱勤 骆轶姝 乐嘉锦 |
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| 作者单位： | 1. 南通大学,计算机科学与技术学院,江苏,南通,226019;东华大学,计算机科学与技术学院,上海,201620
2. 东华大学,计算机科学与技术学院,上海,201620 |
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| 基金项目： | 江苏省高校自然科学基金 |
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| 摘 要： | 数据库加密是对敏感数据进行安全保护的有效手段．归纳了数据库加密系统的应用需求，综述了数据库加密的实现机制、加密粒度、加密算法及密钥管理，分析了密文数据库的索引机制与查询策略，讨论了数据库加密的局限性，并展望了数据库加密与密文数据查询技术的发展方向．
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| 关 键 词： | 数据库 数据库加密 查询策略 外包数据库 |
| 文章编号： | 1671-0444（2007）04-0543-06 |
| 修稿时间： | 2005-10-12 |
A Survey on Techniques of Database Encryption and Query over Encrypted Data |
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| ZHU Qin,LUO Yi-shu,LE Jia-jin.A Survey on Techniques of Database Encryption and Query over Encrypted Data[J].Journal of Donghua University,2007,33(4):543-548. |
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| Authors: | ZHU Qin LUO Yi-shu LE Jia-jin |
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| Institution: | 1. College of Computer Science and Technology, Nantong University, Nantong Jiangsu 226019, China; 2. College of Computer Science and Technology, Donghua University, Shanghai 201620, China |
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| Abstract: | Database encryption is an effective method for protecting sensitive data. The requirements for database encryption system are summarized, the implemental mechanism, cryptographic granularity, cryptographic algorithm and cryptographic key management of database encryption are overviewed, the index mechanism and query policy of encrypted database are analyzed, the limits of database encryption are disussed and the future development of database encryption and query over encrypted data are looked ahead. |
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| Keywords: | database database encryption query policy outsourced database |
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