Research on Secure Authentication for Cross-Domain Cloud Edge Collaborative Communication Based on Attribute Encryption

With the proposal of power Internet architecture 2.0, the comprehensive interconnection of all elements and value chain becomes the core requirement. the application of DDS communication technology in power Internet faces new security challenges, especially in the cross-domain cloud-side collaborative communication scenario, the security problem of the traditional DDS communication technology is highlighted, and the secure identity authentication becomes the key. To solve this problem, this paper proposes a secure authentication method for cross-domain cloud-side cooperative communication based on attribute-based encryption. The method combines KP attribute-based encryption and blockchain technology to realize the security and high efficiency of DDS communication in multi-domain environment, which effectively improves the security of data communication in the electric power Internet, and has significant practical significance and theoretical value.