Auxiliary Power Circuitry for Modular Server Security
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Solution Overview
Problem
Modular servers face security risks as nefarious actors can compromise security features like encryption during shipment or installation, as security measures are distributed across multiple independent components, and existing solutions do not effectively protect against tampering or unauthorized access.
Innovation Solution
Incorporating an auxiliary power source to power security circuitry that includes a security processor, zeroization circuitry, and sensors, allowing the system to monitor for tampering and initiate anti-intrusion protocols, such as passive or active zeroization of secrets, even when the server is not supplied with main power, and ensuring that resources with auxiliary power sources are locked within the server enclosure.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If security measures are distributed across multiple independent components in modular servers, then the server allows flexibility and modularity, but the security becomes vulnerable to tampering during shipment or installation
Solution Approach 1:
The patent combines multiple distributed security components (security processor, zeroization circuitry, sensors, and auxiliary power source) into a single integrated security module. This merging maintains the modularity benefit while improving security by ensuring all critical security functions are contained together and powered by a dedicated auxiliary power source that enables operation during shipment and installation.
2Loss of energy
If the server is not supplied with main power during shipment or installation, then energy consumption is reduced, but the security circuitry cannot actively protect against tampering or delete secrets
Solution Approach 1:
The patent implements preliminary action by providing an auxiliary power source that is pre-configured to power the security circuitry during periods when main power is unavailable. This allows the security processor, zeroization circuitry, and sensors to remain operational during shipment and installation, enabling active tampering detection and secret deletion without requiring main power.
3Reliability
If an auxiliary power source is added to power security circuitry during shipment and installation, then security protection is improved, but the device complexity increases
Solution Approach 1:
The patent merges the auxiliary power source with the security module components (security processor, zeroization circuitry, sensors) into a single integrated unit. This consolidation improves security by ensuring all functions are powered during critical periods while minimizing the increase in overall device complexity by organizing components together rather than adding separate distributed elements.
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
The solution provides robust protection against unauthorized access and tampering by ensuring that sensitive information can be irretrievably deleted upon detection of an intrusion, even when the server is not powered, thereby maintaining data security throughout the supply chain and in operational environments.
Implementation Method 1
an auxiliary power source that provides power to the security circuitry during shipment and installation of the modular server
Data Source
AI summary
In some examples, a modular server includes an auxiliary power source and an auxiliary power system. The auxiliary power system includes a battery terminal to electrically couple to the auxiliary power source. The auxiliary power system further includes power terminals. Each power terminal is electrically coupled to a respective resource received within a modular server enclosure. The auxiliary power system further includes a power circuitry electrically coupled to the battery terminal and to each of the power terminals. The auxiliary power system also includes security circuitries. Each security circuitry corresponds to a respective resource received within a modular server enclosure. The auxiliary power source supplies power to the plurality of security circuitries.