Encrypted Hard Disk Device Using NFC UID Authentication
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Solution Overview
Problem
Existing encryption methods for portable hard disks require frequent password entry, making them inconvenient and prone to password leakage, and are vulnerable to computer virus infections.
Innovation Solution
An encrypted hard disk device incorporating a near-field communication (NFC) sensing module, processor, and power switch, which uses a sensor element to read a user identification (UID) for secure power control and encryption, ensuring triple protection against unauthorized access.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If built-in encryption software or third-party encryption software is used to encrypt files, then data security is improved, but user convenience deteriorates due to frequent password entry requirements
Solution Approach 1:
The system uses biometric authentication (fingerprint, face recognition, or iris recognition) to automatically verify user identity without requiring manual password entry. The authentication module captures biometric data, compares it with stored templates, and automatically grants access if matched, eliminating the need for users to repeatedly enter passwords while maintaining strong security.
Solution Approach 2:
The patent replaces the mechanical password entry system with a biometric recognition system. Instead of requiring users to manually type or input passwords, the system uses sensors to capture and process biometric characteristics (fingerprint patterns, facial features, or iris structures) to automatically authenticate users, thereby improving convenience while maintaining security.
2Reliability
If password-based encryption is implemented, then data security is improved, but security against password leakage deteriorates
Solution Approach 1:
The patent extracts the authentication factor from something users must consciously provide (passwords) to something that is inherently tied to their physical identity (biometric data). By storing biometric templates rather than passwords, and using these templates for authentication, the system eliminates the vulnerability of password leakage while maintaining strong security through unique biological characteristics that cannot be easily stolen or shared.
3Reliability
If existing encryption software is used, then file encryption is achieved, but vulnerability to computer virus infections increases
Solution Approach 1:
The patent segments the encryption functionality from the operating system by implementing a dedicated authentication module with separate hardware components (sensors, processors, and storage for biometric templates). This modular architecture isolates the critical security functions from the general-purpose OS, creating a secure enclave that is resistant to viruses and malware that may compromise the operating system, while still providing comprehensive encryption capabilities.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
Enhances user convenience by eliminating the need for frequent password entry and prevents password leakage by controlling power supply and firmware modification, providing robust security against unauthorized access.
Implementation Method 1
a near-field communication (NFC) sensing module, configured to read a user identification (UID) of at least one sensor element
Data Source
AI summary
An encrypted hard disk device is provided, including a near-field communication (NFC) sensing module, a processor, a storage unit, and a power switch. The NFC sensing module is configured to read a user identification (UID) of at least one sensor element. The processor is electrically connected to the NFC sensing module and the storage unit. The processor receives the UID and generates a control signal when the UID is approved. The power switch is electrically connected to the processor and the storage unit and maintains a conducting state according to the control signal and supplies power to the storage unit for accessing the storage unit.