Dynamic Encryption Key Generation for Wireless Network Security
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Solution Overview
Problem
Automatic communication parameter setting in wireless networks can compromise security if all devices use the same encryption key, leading to vulnerabilities, and existing solutions struggle to balance security with user convenience when multiple devices are involved.
Innovation Solution
A communication apparatus that randomly generates encryption keys and determines whether to generate them based on its participation status in the network, ensuring unique keys for each connection while maintaining user-friendly operation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If identical communication parameters are always provided in automatic setting processing, then user convenience is improved, but security vulnerability increases
Solution Approach 1:
The patent implements dynamic key generation by introducing a determination step that decides whether to generate a new encryption key based on network participation status. This dynamic approach allows the system to adapt between using identical keys for convenience and generating unique keys for security, resolving the contradiction between ease of operation and security level.
2Reliability
If a new encryption key is generated every time automatic communication parameter setting processing is executed, then security level is improved, but communication between multiple receiving apparatuses becomes impossible
Solution Approach 1:
The patent applies dynamic key generation by determining whether to create a new encryption key based on the apparatus's network participation status. When already participating in a network, the same key is reused to enable communication between multiple devices; when not participating, a new key is generated for security. This dynamic approach resolves the contradiction between security level and communication capability.
3Object-affected harmful factors
If different shared encryption keys are generated in each automatic communication parameter setting processing, then security vulnerability is reduced, but receiving apparatuses cannot communicate with each other
Solution Approach 1:
The patent implements conditional key generation where the determination step evaluates network participation status to decide whether to generate a new encryption key. This dynamic mechanism reduces security vulnerabilities by generating different keys when needed while maintaining network communication capability by reusing keys when appropriate, thus resolving the contradiction between reducing security vulnerability and maintaining network communication.
Data Source
AI summary
The security level is enhanced without impairing user operability when executing an automatic communication parameter setting processing. A communication apparatus which configures a network serves as a providing apparatus which provides communication parameters to a receiving apparatus which receives the provided communication parameters. At this time, whether or not an encryption key, which is included in the communication parameters, is generated randomly is determined based on the participation status of the communication apparatus in the network.