Certificate-Based Authentication for Small Networks
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Solution Overview
Problem
Small computer networks face challenges in implementing straightforward authentication and management due to the diversity of platforms and operating systems, making it difficult to control, manage, and maintain machines securely across different devices.
Innovation Solution
A certificate-based authentication technology where client machines use private-public key pairs to authenticate with a server, allowing secure communication and management, independent of the operating system or platform, with administrators generating and managing certificates for network access.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If traditional authentication methods are used in small networks, then platform-specific control and management are achieved, but unified authentication across diverse devices becomes difficult
Solution Approach 1:
The patent implements a universal certificate-based authentication system that works across multiple platforms (Windows, macOS, Linux, mobile devices) by using standardized X.509 certificates and TLS protocols. The server maintains a centralized certificate store that can authenticate any device regardless of its operating system, providing platform-independent authentication capability.
Solution Approach 2:
The patent introduces a centralized authentication server as an intermediary between client devices and network resources. This server acts as a mediator by verifying certificates, managing the certificate repository, and facilitating authentication without requiring platform-specific implementation details, thus simplifying the authentication process across diverse devices.
2Reliability
If certificate-based authentication is implemented, then secure communication between client machines is achieved, but certificate management complexity increases
Solution Approach 1:
The patent implements automatic certificate enrollment and renewal mechanisms where client devices can automatically obtain certificates from the server without manual intervention. The system handles certificate validation, storage, and renewal automatically, reducing the management burden on users while maintaining security.
Solution Approach 2:
The authentication server provides feedback mechanisms to clients about certificate validity, enrollment status, and renewal requirements. This feedback loop allows the system to automatically manage certificate lifecycles, alert administrators to issues, and maintain secure authentication without increasing operational complexity.
3Ease of operation
If administrators manually manage certificates for each device, then precise control over network access is achieved, but time consumption for device onboarding increases
Solution Approach 1:
The patent implements pre-configured certificate templates and automatic enrollment procedures that are prepared in advance. When a new device joins the network, it can automatically obtain a pre-configured certificate from the server without requiring manual administrator intervention, significantly reducing onboarding time while maintaining access control policies.
Solution Approach 2:
The system enables self-service certificate enrollment where devices can automatically register themselves with the authentication server, obtain appropriate certificates based on their device type and intended use, and begin secure communication without manual administrator involvement, thus reducing onboarding time while maintaining control.
Data Source
AI summary
Described is a technology by which machines of a (typically small) network have associated public key-based certificates for use in authentication with a server and validation of other machines in the network. This provides an inexpensive and straightforward mechanism to control, manage and maintain client machines, as well as to allow valid client machines to securely communicate with one another and recognize machines that are not valid on the network. Certificates are maintained on the server and checked for validity as needed.