Wireless Fingerprint Data Transfer With Encrypted Bluetooth
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Solution Overview
Problem
Conventional wired fingerprint recognition technologies face issues with security, device compatibility, and user convenience, while wireless fingerprint recognition is vulnerable to hacking and insecure data transmission.
Innovation Solution
Utilizing Bluetooth for fingerprint data transmission and employing an encrypted communication protocol to secure the data, such as the Secure Device Connection Protocol (SDCP), to protect against information leakage and tampering.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If wireless communication is used for fingerprint data transmission, then user convenience and device compatibility are improved, but security of fingerprint information transmission deteriorates
Solution Approach 1:
The patent introduces an encrypted communication protocol as an intermediary layer between the wireless communication interface and the fingerprint data. This protocol acts as a mediator that protects the transmitted data without interfering with the wireless communication functionality, thus maintaining user convenience while enhancing security
Solution Approach 2:
The patent combines wireless communication technology with encrypted communication protocol to create a composite communication system. This composite approach integrates the convenience of wireless transmission with the security of encryption, allowing both requirements to be satisfied simultaneously
2Reliability
If encrypted communication protocol is applied to protect transmitted fingerprint data, then security and reliability are improved, but device complexity increases
Solution Approach 1:
The encrypted communication protocol is designed to be universally applicable across different wireless communication interfaces and devices. By creating a multi-functional protocol that can work with various wireless standards, the patent avoids increasing device complexity while maintaining security improvements
3Use of energy by moving object
If Bluetooth is used for fingerprint data transmission, then power consumption is reduced, but transmission speed may be limited
Solution Approach 1:
The patent utilizes Bluetooth technology which operates at lower power consumption levels compared to other wireless communication methods. By accepting the trade-off in transmission speed, the system achieves significant power savings, making it suitable for mobile devices with battery constraints
Data Source
AI summary
A fingerprint data processing method is used for a wireless communication system including a host device and a wireless device, which communicate through a wireless communication interface. The method includes steps of: generating, by the host device, a fingerprint recognition command; driving, by the host device, a first wireless communication circuit to transmit a fingerprint recognition request to the wireless device through the wireless communication interface according to the fingerprint recognition command; receiving, by the wireless device, the fingerprint recognition request through the wireless communication interface, and obtaining, by the wireless device, fingerprint data according to the fingerprint recognition request; driving, by the wireless device, a second wireless communication circuit to transmit the fingerprint data to the host device through the wireless communication interface. The wireless communication interface forwards at least one of the fingerprint recognition request and the fingerprint data using an encrypted communication protocol.