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An efficient attribute-based encryption scheme based on SM9 encryption algorithm for dispatching and control cloud

机译：一种基于SM9加密算法的派遣和控制云的基于高效的加密方案

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摘要

Dispatching and Control Cloud (DCC) is a cloud platform constructed by State Grid Corporation with the technology of cloud computing. DCC has improved the overall operation and monitoring capabilities, the smart level and many other advantages of power grid. However, the development of DCC has been hampered by security and privacy issues. Secure unified identity authentication, access control and authorisation management are significant topics in DCC. To find out a solution for the topics above, we have employed some encryption schemes using the attribute-based encryption(ABE), as ABE can preserve users' privacy and achieve access control with fine grain over the encrypted information. SM9 is a kind of Chinese official standard in the field of cryptography, which contains the SM9 encryption algorithm (SM9-IBE). In this paper, an ABE scheme based on SM9-IBE is proposed, making SM9 support fine-grained access control which would be better applied in DCC. Our proposed scheme (SM9-ABE) has been proven to be of great security in the selective CPA model under DBDH assumption. Furthermore, we implement SM9-ABE and evaluate its practical performance. The implementation indicates our scheme performs well in the matter of security and functionality, at an additional time cost which is acceptable.
机译：调度和控制云（DCC）是由国家电网公司构建的云平台，其具有云计算技术。 DCC提高了整体运行和监控功能，智能水平和电网的许多其他优点。但是，DCC的发展受到安全和隐私问题的阻碍。安全统一身份验证，访问控制和授权管理是DCC中的重要主题。要查找上述主题的解决方案，我们使用了一些使用基于属性的加密（ABE）的加密方案，因为AME可以保护用户的隐私并实现通过加密信息的细粒的访问控制。 SM9是一种中文官方标准在密码术领域，其中包含SM9加密算法（SM9-IBE）。本文提出了一种基于SM9-IBE的ABE方案，使SM9支持细粒度访问控制，将更好地应用于DCC。我们的拟议计划（SM9-ABE）已被证明是在DBDH假设下选择性CPA模型中的巨大安全性。此外，我们实施SM9-ABE并评估其实际表现。该实现指示我们的方案在安全性和功能性问题中良好，其额外的时间成本是可接受的。

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