Flash Drive Smart Card Module Security Partitioning
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Solution Overview
Problem
USB flash memory devices lack robust security measures, making them vulnerable to data theft and unauthorized access, especially when used on unfamiliar computers, and existing encryption solutions are not universally compatible or secure against advanced hacking techniques.
Innovation Solution
Incorporating a smart card module that operates in conjunction with the USB flash drive microcontroller to provide enhanced security features, including authentication and cryptographic services, and managing partition sizes and parameters securely, ensuring that sensitive data is protected and only accessible with authorized access.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a smart card module is integrated with a flash memory controller to enhance security, then data security and authentication capability are improved, but device complexity increases
Solution Approach 1:
The patent combines the flash memory controller and smart card module into a single integrated device, allowing the flash drive to function both as storage and as a security token. This merging eliminates the need for separate security devices while maintaining enhanced security through the smart card's authentication capabilities and encrypted data storage.
2Adaptability or versatility
If partition sizes are made dynamically adjustable between secure and non-secure areas, then adaptability and user flexibility are improved, but device complexity and security management difficulty increase
Solution Approach 1:
The patent implements dynamic partition resizing capability where the secure and non-secure partition sizes can be adjusted based on user needs. The system allows users to modify partition allocations while maintaining security boundaries, enabling the device to adapt to different storage requirements without compromising the security model.
3Reliability
If encryption is implemented at the file system level with smart card authentication, then data protection against unauthorized access is improved, but processing overhead and operation time increase
Solution Approach 1:
The patent performs encryption and authentication operations during the file system initialization and mount processes, before actual data access occurs. By pre-establishing secure contexts and verifying authentication credentials upfront, the system minimizes the impact of security processing on subsequent data operations, as the cryptographic framework is already in place when users access files.
Data Source
AI summary
A system and method to control a device having at least one configurable parameter. Enumerating the device as a first peripheral device and as a second peripheral device wherein the first peripheral device corresponds to a first microcontroller connected to a storage medium and the second peripheral device corresponds to a second microcontroller. Controlling the at least one configurable parameter of the first microcontroller with respect to the storage medium by the second microcontroller. On initialization of the device, transmitting the at least one configurable parameter from the second microcontroller to the first microcontroller. Other systems and methods are disclosed.