Device Certificate Virtual Appliance Configuration
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Solution Overview
Problem
Configuring multiple computing devices, especially virtual appliances, is challenging due to the need for secure and unique activation within a network domain, as existing methods lack efficient mechanisms for ensuring a single active instance and managing configuration parameters.
Innovation Solution
A device certificate-based method and system that uses an encrypted device certificate stored on non-volatile storage, verified through a unique MAC address and customer password, to securely configure and activate a virtual appliance, ensuring only one active instance and applying configuration constraints.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional configuration methods are used for virtual appliances, then configuration can be applied manually or through pilot instances, but secure activation and unique instance enforcement cannot be ensured
Solution Approach 1:
The device certificate is pre-configured on the virtual appliance before deployment. The certificate contains the appliance's identity and activation constraints, allowing the appliance to autonomously prove its legitimacy during activation without requiring manual configuration or complex validation processes.
Solution Approach 2:
A device certificate acts as an intermediary credential between the virtual appliance and the activation authority. The certificate mediates the activation process by providing verifiable proof of the appliance's identity and constraints, eliminating the need for complex direct verification protocols.
2Productivity
If multiple virtual appliance instances are deployed, then configuration scalability improves, but ensuring a unique active instance becomes challenging
Solution Approach 1:
Each virtual appliance instance is assigned a unique device certificate with instance-specific constraints embedded within it. This allows each instance to have its own identity and activation parameters, enabling scalable deployment while maintaining unique enforcement through locally-stored certificate data.
Solution Approach 2:
The device certificate contains configurable parameters such as instance identifiers, activation constraints, and domain-specific settings. By varying these parameters across different instances while maintaining the same certificate structure, the system achieves scalability without compromising unique instance enforcement.
3Reliability
If device certificates with constraints are used for activation, then unique instance enforcement is ensured, but configuration security requirements increase
Solution Approach 1:
The virtual appliance autonomously uses its device certificate to enforce unique instance activation without requiring external validation infrastructure. The appliance self-verify its certificate constraints and self-enforce activation rules, reducing security requirements to simple certificate validation rather than complex verification systems.
4Manufacturing precision
If manual configuration is performed for each computing device, then configuration accuracy can be verified, but time consumption increases significantly
Solution Approach 1:
The device certificate serves as a template that can be copied and distributed to multiple virtual appliance instances. Each instance receives an identical or variant certificate through automated processes, ensuring configuration accuracy through template validation while eliminating time-consuming manual configuration for each device.
Data Source
AI summary
Embodiments of the present invention address deficiencies of the art in respect to configuring a computing appliance and provide a method, system and computer program product for device certificate based virtual appliance configuration. In one embodiment of the invention, a virtual appliance secure configuration method can be provided. The method can include mounting non-volatile storage to the virtual appliance, retrieving a device certificate from the mounted storage and extracting a signature from the device certificate, activating the virtual appliance in a network domain and acquiring an adapter address and unique identifier for the virtual appliance, and authenticating the signature with the adapter address and unique identifier to ensure a unique active instance of the virtual appliance.