Physical Key Cartridge for Rack-Mounted Server Security
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Solution Overview
Problem
Existing security measures for computer processing assets are inadequate when hard drives are physically transported, as software-based authorization and monitoring are limited in protecting against hardware tampering and interception.
Innovation Solution
A key cartridge system is implemented, which covers the latch release mechanism of a sled holding computer servers, establishing an electrical connection and enabling decryption only when in place, and includes a destruction mechanism to render the server inaccessible without the key cartridge, ensuring secure transit by disabling functionality if removed.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If software-based authorization and monitoring are used to protect hard drives, then digital access security is improved, but physical security during transit and tampering resistance deteriorate
Solution Approach 1:
The system divides the server into two separate parts: the server hardware itself and the key cartridge containing the decryption key. During transit, these can be separated so the server can be moved without the key, rendering it inaccessible even if physically intercepted. This segmentation addresses the vulnerability to physical tampering while maintaining digital security.
Solution Approach 2:
The key cartridge acts as an intermediary component that mediates access to the server's data. It contains the enabling key component that is required for decryption and operation. By introducing this intermediary physical security device, the system bridges the gap between digital authorization and physical security during transit.
2Reliability
If a key cartridge is installed to cover the latch release mechanism, then security during transit is improved, but ease of operation for removal deteriorates
Solution Approach 1:
The key cartridge incorporates a destruction mechanism that can be activated to permanently disable the enabling key component. This dynamic feature allows the system to transition from a state where the key cartridge is required for operation to a state where it is deliberately destroyed to prevent future access, facilitating secure removal and disposal.
Solution Approach 2:
The destruction mechanism is designed to be activated before the key cartridge is removed from the server. By performing the destruction action preliminarily, the system ensures that the enabling key component is already disabled before physical removal occurs, preventing any potential recovery or misuse of the key after removal.
3Reliability
If the enabling key component is made destructible, then security against unauthorized access is improved, but device complexity increases
Solution Approach 1:
The destruction mechanism is designed to be self-contained within the key cartridge, allowing the key cartridge itself to serve its own destruction without requiring external specialized equipment. The mechanism includes a destructible enabling key component that can be destroyed by applying force through a designated interface, making the system self-sufficient for its own security disposal.
Data Source
AI summary
A system can include a key cartridge, which can include a housing, an enabling key component, and an electrical connector. The housing may be sized for placement at least partially over or around a latch release mechanism of a slidable rack sled and in a position to obstruct access to the latch release mechanism. The enabling key component can be positioned within the housing and enable operation of an electrical component situated within the slidable rack sled. The electrical connector can be coupled with the enabling key component and sized and positioned for establishing electrical connection between the enabling key component and the electrical component situated within the slidable rack sled when the pluggable key cartridge is installed relative to the server rack sled.