Mutual Authentication Protocol for Networked Devices
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Solution Overview
Problem
Existing protocols for authenticating networked devices primarily focus on client device authentication by a server device, lacking mechanisms for mutual authentication, dynamic credential generation, and role-based authentication, especially in non-web-based communication contexts.
Innovation Solution
The method involves a server device and client device exchanging authentication credentials, with the server dynamically generating credentials upon client request and both devices authenticating each other based on predefined criteria, incorporating role-based access to determine communication scope and privileges.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If existing authentication protocols are used, then client device authentication by server device is achieved, but mutual authentication capability is lacking
Solution Approach 1:
The patent implements bidirectional authentication where both client and server devices authenticate each other, inverting the traditional unidirectional model. The server device authenticates the client device using certificate verification, while simultaneously the client device authenticates the server device using received authentication credentials, achieving mutual authentication that enhances both security and adaptability
Solution Approach 2:
The authentication system is designed to work across multiple communication contexts beyond web-based applications. The protocol framework enables universal application in various networked device communications, providing both client-to-server and server-to-client authentication capabilities within a single unified system
2Reliability
If static authentication credentials are used, then initial authentication is achieved, but dynamic credential generation capability is lacking
Solution Approach 1:
The system transitions from static authentication credentials to dynamic credential generation. The server device receives authentication requests from client devices and dynamically generates appropriate authentication credentials based on the specific communication context, device roles, and security requirements. This dynamic approach maintains authentication validity while adapting to different scenarios
Solution Approach 2:
The server device prepares and transmits authentication credentials to the client device in advance before the actual communication begins. This preliminary action allows the client device to have the necessary credentials ready for mutual authentication, enabling flexible and context-appropriate authentication without requiring real-time credential creation during communication
3Ease of operation
If basic authentication is implemented, then access control is achieved, but role-based access control capability is lacking
Solution Approach 1:
The authentication system implements role-based access control by assigning different authentication credentials and access privileges to different device roles. Each device receives authentication credentials tailored to its specific role in the communication, enabling differentiated access control where clients and servers have distinct capabilities and permissions based on their functional requirements
Data Source
AI summary
Systems, methods, and computer-readable media are disclosed for authentication of networked devices in which a server device may authenticate a client device and/or a client device may authenticate a server device. Authentication credentials may be exchanged by the server device and the client device to enable mutual authentication. Upon authentication of the connection between the server device and the client device, authenticated, and potentially encrypted communications, may be exchanged by the server device and the client device.