Secure Computer Provisioning via Firmware Authentication
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Solution Overview
Problem
In insecure network environments, existing automated provisioning protocols for computer servers are vulnerable to eavesdropping and tampering, as they rely on untrusted local configuration servers for software provisioning, lacking secure authentication and control over the provisioning process.
Innovation Solution
Customizing the firmware of computer devices to pre-configure a trusted global provisioning server, using cryptographic authentication to ensure secure communication and provisioning from that server, bypassing local server instructions, and utilizing secure protocols for communication.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If automated provisioning protocols are used with local configuration servers, then provisioning efficiency is improved, but security and trust are worsened due to vulnerability to eavesdropping and tampering
Solution Approach 1:
The patent applies preliminary action by pre-configuring the firmware with a trusted global provisioning server identifier before the actual provisioning occurs. This allows the device to autonomously establish secure communication with the pre-trusted server without relying on potentially untrusted local configuration servers, thus maintaining both automated provisioning efficiency and security.
Solution Approach 2:
The patent introduces an intermediary approach by using firmware as a trusted mediator between the device and the provisioning server. The firmware contains pre-configured authentication information that acts as a mediator to verify the identity of the global provisioning server, enabling secure communication without requiring trust in local network infrastructure.
2Ease of operation
If local configuration servers are used for software provisioning, then ease of operation is improved, but harmful factors increase due to potential eavesdropping and tampering in insecure networks
Solution Approach 1:
The patent applies the extraction principle by removing the provisioning trust dependency from the local network environment and extracting it to a pre-configured trusted source in the device's firmware. This allows the device to perform provisioning operations autonomously without relying on potentially harmful local configuration servers, thus eliminating eavesdropping and tampering risks while maintaining operational ease.
Solution Approach 2:
The patent implements preliminary anti-action by pre-configuring authentication information in the firmware to counteract potential malicious actions from untrusted local servers. The device uses this pre-established trust mechanism to reject unauthorized provisioning attempts and authenticate only trusted global provisioning servers, thereby preventing eavesdropping and tampering before they can occur.
3Device complexity
If untrusted local configuration servers are used, then device complexity is reduced, but reliability worsens due to lack of secure authentication
Solution Approach 1:
The patent applies self-service by enabling the device to autonomously perform provisioning operations using pre-configured authentication information stored in its own firmware. The device independently authenticates with the global provisioning server without requiring complex configuration server infrastructure, thus reducing device complexity while maintaining reliable secure authentication through the self-contained trust mechanism.
Data Source
AI summary
A networked computer device can be provisioned by customizing the computer device to contain a specification of a particular provisioning server. For example, a network interface device can be pre-configured and installed in the computer device. The pre-configuration of the network interface device may include embedding a provisioning service identification in the network interface device. The network interface device may be further configured to perform provisioning from a provisioning service indicated by the embedded provisioning service identification. In addition, or alternatively, the network interface device, or the computer within which it is installed, may be configured to authenticate with a provisioning server based on authentication information that has been embedded within firmware of the computer or network interface device.