Communication Device Authentication via Device Type Classification
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Solution Overview
Problem
Existing authentication methods for mobile terminals and authentication cards are inadequate due to the lack of uniqueness in chip IDs generated by mobile operating systems, which either change randomly or are common across multiple devices, making them unsuitable for reliable authentication.
Innovation Solution
A communication device that determines the type of target device based on attribute information and uses appropriate identification information for authentication, employing different identification methods for authentication cards and mobile terminals to ensure unique and effective authentication.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a mobile terminal uses a random character string generated by the OS as a chip ID, then the chip ID changes at each wireless communication, but this makes it unsuitable for authentication because the identification is not consistent
Solution Approach 1:
The patent changes the parameter of chip ID from dynamic random strings to static unique identifiers. For mobile terminals, it uses device-specific identifiers (IMEI, MAC address, or application-generated unique IDs) that remain constant across communications, while for authentication cards, it uses fixed card IDs stored in the card's memory, ensuring consistent identification for reliable authentication
Solution Approach 2:
The patent segments the authentication system into two distinct device types with different identification mechanisms: mobile terminals use OS-level or application-level unique identifiers, while authentication cards use card-embedded fixed IDs. This segmentation allows each device type to use the most appropriate identification method for its characteristics
2Stability of the object's composition
If a mobile terminal uses a predetermined character string as the chip ID, then the identification is consistent, but this makes it unsuitable for authentication because the chip ID does not guarantee the uniqueness of each mobile terminal
Solution Approach 1:
The patent changes the chip ID parameter from common predetermined strings to unique device-specific identifiers. It prioritizes using IMEI or MAC address if available, and falls back to application-generated unique IDs based on terminal information, ensuring each device has a consistent yet unique identifier for reliable authentication
Solution Approach 2:
The patent uses existing unique device identifiers (IMEI, MAC address) that are already assigned to each mobile terminal by the system or manufacturer, copying these proven unique identifiers for authentication purposes rather than creating new identification schemes
3Device complexity
If the communication device uses a unified authentication method for all device types, then the system is simple to implement, but this reduces adaptability to different device characteristics and authentication requirements
Solution Approach 1:
The patent implements a dynamic authentication system that automatically adapts to different device types. The communication device determines whether the target is a mobile terminal or authentication card based on device characteristics, then selects the appropriate authentication method: unique ID verification for terminals or card ID verification for cards, achieving versatility without requiring manual configuration
Solution Approach 2:
The patent creates a universal authentication framework that can handle multiple device types through a single unified interface. The system maintains one authentication processing flow but incorporates device-type-specific identification methods internally, allowing it to authenticate both mobile terminals and authentication cards through the same communication protocol
Data Source
AI summary
A communication device may receive a first signal including first identification information and attribute information from a target device via the wireless interface, determine which of a first type device or a second type device the target device is by using the attribute information, execute an authentication of the target device by using the first identification information in a case where it is determined that the target device is the first type device, and execute an authentication of the target device by using the second identification information in a case where it is determined that the target device is the second type device and a second signal including second identification information different from the first identification information is received via the wireless interface, the second signal is sent to the communication device from the second type device in accordance with a predetermined application software.