In-line Security Device for Automated Cryptographic Key Transfer
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Solution Overview
Problem
Existing data storage devices face user experience issues due to cumbersome password and key setup processes, leading to insecure storage and exposure of confidential data, as technically unskilled users often find encryption technologies difficult to manage.
Innovation Solution
An in-line security device with connectors, a pass-through circuit, and a communication interface is used to transfer cryptographic key material between a host device and a data storage device, facilitating secure data storage by enabling encryption and decryption, and incorporating features like biometric readers for enhanced security.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If encryption is implemented for secure data storage, then data security is improved, but user complexity and setup difficulty increase
Solution Approach 1:
The patent introduces a security device as an intermediary component between the host device and storage device. This security device automatically handles cryptographic key material transfer and authentication, eliminating the need for users to manually configure encryption settings. The intermediary absorbs the complexity of encryption management while presenting a simplified interface to users.
Solution Approach 2:
The security device performs self-service by automatically transferring cryptographic key material and authenticating communication between host and storage devices without user intervention. The system handles encryption setup, key exchange, and authentication autonomously, allowing users to simply connect devices without dealing with complex encryption configuration.
2Reliability
If manual password and key entry is required, then data protection is improved, but ease of operation deteriorates
Solution Approach 1:
The security device acts as a mediator that automatically handles authentication and key transfer. Instead of requiring users to manually enter passwords or keys, the security device performs these operations autonomously during the device connection process, maintaining strong authentication while dramatically improving ease of operation.
Solution Approach 2:
The patent replaces manual mechanical operations (typing passwords, copying keys) with automated electronic processes. The security device uses electronic authentication mechanisms and automatic key transfer protocols to substitute for manual user input, making the process as simple as physically connecting the devices.
3Ease of operation
If cryptographic key material is stored insecurely, then accessibility is improved, but security deteriorates
Solution Approach 1:
The security device serves as a trusted intermediary that securely stores and manages cryptographic key material. It provides a secure environment for key storage while enabling easy access to authorized devices. The security device establishes secure communication channels and authenticates devices before allowing key material transfer, ensuring both security and accessibility.
Data Source
AI summary
An in-line security device to transfer cryptographic key material, the device comprising: a first connector configured to connect, via wire, with a host device; a second connector configured to connect, via wire, with a data storage device; a pass-through circuit between the first connector and the second connector to facilitate data communication between the host device and the data storage device; and a communication interface to send cryptographic key material to the data storage device via the second connector.