Universal Data Storage Mode Switching for Server and PC Encryption
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Solution Overview
Problem
Current data storage apparatuses require separate manufacturing and distribution for servers and PCs due to differences in encryption modules, leading to inefficiencies in production and stock management for suppliers and customers.
Innovation Solution
A data storage apparatus with a hardware processor that can transition between enterprise and opal modes using default images and commands, allowing it to be used for either servers or PCs, with a neutral original factory state enabling mode switching and data protection through encryption key updates.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If separate encryption modules are used for servers and PCs, then data protection reliability is improved, but device complexity and manufacturing complexity increase
Solution Approach 1:
The patent implements a universal encryption module that can operate in multiple modes (enterprise mode and opal mode) to serve different application scenarios (servers and PCs). The controller includes a mode determination unit that identifies the application scenario and selects the appropriate encryption mode, allowing a single device to provide tailored data protection for both server and PC environments without requiring separate hardware products.
2Adaptability or versatility
If separate products are manufactured for servers and PCs, then adaptability to specific applications is improved, but productivity and stock management efficiency deteriorate
Solution Approach 1:
The data storage apparatus is designed as a universal product that can adapt to both server and PC applications through software-based mode selection rather than hardware differentiation. The controller determines the application scenario and configures the appropriate encryption mode (enterprise or opal), enabling a single manufacturing line to produce devices suitable for multiple applications, thereby improving productivity and simplifying stock management.
Solution Approach 2:
The encryption module employs dynamic mode switching based on the determined application scenario. The controller can transition between enterprise mode and opal mode depending on whether the device is detected to be used in a server or PC environment, allowing the product to adapt its behavior after manufacturing without requiring separate static configurations for different applications.
3Adaptability or versatility
If mode switching capability is added, then adaptability is improved, but device complexity increases
Solution Approach 1:
The controller includes a mode determination unit that pre-identifies the application scenario (server or PC) and selects the appropriate encryption mode in advance. By determining the mode beforehand based on detected characteristics rather than requiring complex real-time switching logic, the system achieves multi-scenario support while keeping the control mechanism relatively simple and manageable.
Data Source
AI summary
According to one embodiment, a data storage apparatus includes a processor. The processor protects data on a memory by encryption in a first mode or a second mode. The processor stores a first image, a second image and a third image. The first image reproduces a first state which is an initial state where the data storage apparatus is set to neither the first mode nor the second mode. The second image reproduces a second state which is an initial state in the first mode. The third image reproduces a third state which is an initial state in the second mode. The processor is capable of performing a first process to transition from the first state to the second state, and performing a second process to transition from the first state to the third state.