With the increasing popularity of Internet of Energy (IoE), more and more physical devices connected to IoE depend on the information system for energy control and coordination. Under this condition, how to achieve information flow control in IoE becomes a great challenge. Access control encryption (ACE) is a promising technology to address the problem. However, existing ACE requires a centralized sanitizer, hindering its successful application in IoE. In this paper, we construct a new kind of ACE without sanitizers for IoE. We first construct a basic ACE scheme based on number-theoretic assumptions (i.e., DBDH assumption), and this scheme can control not only what users can read but also what they can write. To resist against the quantum attacks, we further construct a more secure ACE scheme based on learning with errors (LWE). We formally prove that our proposed two ACE schemes are secure under the proposed security definition, and we also evaluate the applicability and the efficiency of them in experiments.

随着能源互联网（IoE）的日益普及，连接到IoE的越来越多的物理设备依赖于信息系统进行能源控制和协调。在这种情况下，如何在IoE中实现信息流控制成为一个巨大的挑战。访问控制加密（ACE）是解决该问题的有前途的技术。但是，现有的ACE需要使用集中式消毒器，这阻碍了其在IoE中的成功应用。在本文中，我们构建了一种无需IoE消毒剂的新型ACE。我们首先基于数论假设（即DBDH假设）构造一个基本的ACE方案，该方案不仅可以控制用户可以阅读的内容，还可以控制他们可以写的内容。为了抵御量子攻击，我们基于错误学习（LWE）进一步构建了更安全的ACE方案。