| 数据库加密密钥的分配与管理技术 |
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| 引用本文： | 陈卫. 数据库加密密钥的分配与管理技术[J]. 清华大学学报(自然科学版), 1994, 0(1) |
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| 作者姓名： | 陈卫 |
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| 摘 要： | 用数据库加密方法实现数据库的安全保密时，密钥的分配和管理是主要难点之一。文章先给出了两种有应用价值的初步方案，然后描述了一种既保证速度又便于管理的密钥转换方案的思想，并给出一种简化情况下的初步实现方法。文章认为密钥转换思想能较好地解决数据库加密中密钥分配与管理的问题，并且也是可以实现的。
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| 关 键 词： | 数据库加密；密钥分配；密钥管理；多级数据库 |
Techniques of key distribution and management in database encryption |
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| Chen Wei. Techniques of key distribution and management in database encryption[J]. Journal of Tsinghua University(Science and Technology), 1994, 0(1) |
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| Authors: | Chen Wei |
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| Affiliation: | Department of Computer Science and Technology |
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| Abstract: | When database encryption is used as a machanism for database security and privacy, one of the main problems is the distribution and management of cryptographic keys. In this paper, two tentative schemes of practical value are first presented, then an idea of key transformation is described which is capable of insuring efficiency as well as facility for managements moreover, a priliminary approach to its implementation under a simplified circumstance is presented. The paper deems that key transformation scheme can fairly well solve the problems of key distribution and management in database encryption, and can also be put into practice. |
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| Keywords: | database encryption key distribution key management multilevel database |
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