Communication Control Device for Monitoring Camera Security
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Solution Overview
Problem
Social infrastructure devices, such as monitoring cameras, face challenges in maintaining data security due to the difficulty in frequently replacing equipment, leading to insufficient security measures against malware attacks.
Innovation Solution
A communication control device with dual communication systems, each connected between a device and a network, uses mutual authentication and encryption/decryption processes to enhance security without requiring hardware changes, utilizing a common key and certificates issued by a private authentication authority.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If equipment such as monitoring cameras is installed as social infrastructure, then the system provides necessary monitoring functions, but security measures become insufficient because it is difficult to frequently replace the equipment
Solution Approach 1:
The patent introduces a communication control device as an intermediary component between the monitoring camera and the network. This mediator handles security functions including mutual authentication with the camera, encryption of communication data, and secure key management. By placing security functions in this separate intermediary device rather than requiring changes to the camera itself, the system achieves improved security while maintaining ease of operation for existing infrastructure equipment
2Reliability
If security measures are enhanced for existing infrastructure equipment, then data security is improved, but hardware changes or replacements are required which are difficult to implement
Solution Approach 1:
The patent segments the security functionality from the main camera device by introducing a separate communication control device. This segmentation allows the camera to remain simple and unchanged while security functions (authentication, encryption, key management) are implemented in the dedicated control device. This resolves the contradiction by improving data security through enhanced security infrastructure without requiring complex hardware changes to the existing camera equipment
Solution Approach 2:
The communication control device serves as an intermediary that implements all security measures externally to the camera system. It performs mutual authentication with the camera, encrypts communication data using certificates and keys, and manages security protocols. This intermediary approach enables strong security measures to be implemented without modifying the camera hardware, thus improving data security while avoiding device complexity increases
3Reliability
If mutual authentication and encryption processes are implemented, then communication security is enhanced, but the system complexity increases
Solution Approach 1:
The communication control device acts as an intermediary that encapsulates complex security protocols. It handles mutual authentication using certificates, manages encryption and decryption of communication data, and controls key exchange processes. By concentrating these complex security functions in a dedicated intermediary device, the patent enhances communication security while keeping the overall system architecture clean and manageable, as the complexity is localized to the security specialist component rather than distributed across all devices
Data Source
AI summary
According to an embodiment, a communication control device includes a first communication system connected between a first device and a network communication network, and a second communication system connected between the first device and the network communication network separately from the first communication system. The first communication system and the second communication system each include a controller. The controller executes switching such that one of the communication systems executes communication in the first communication mode, and when a problem is detected in the communication system that is executing communication in the first communication mode, the other communication system executes communication in the first communication mode.