Remote Configuration Scripts for Trusted Data Transfer Terminals
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Solution Overview
Problem
Current methods for configuring applications for secure data transfers are inefficient and risky due to the need for physical access to hardware security modules (HSMs) for installation and updates, which introduces exposure risks.
Innovation Solution
A system that establishes a secondary source of trust using a static configuration load management (SCLM) root certificate and certificate chain to generate and verify configuration scripts, allowing secure data transfer applications to be installed and updated remotely while maintaining a chain of trust.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If physical access to hardware security modules is required for application installation and updates, then security trust is maintained, but operational efficiency and ease of updates deteriorate
Solution Approach 1:
The patent introduces configuration scripts as an intermediary mechanism that carries certification information and configuration data. These scripts are generated by a configuration generator with access to the security domain and are used to remotely provision applications on data transfer terminals. The intermediary script allows updates without physical access to the HSM, thus improving operational efficiency while maintaining security through cryptographic verification.
Solution Approach 2:
The patent extracts the configuration and provisioning functionality from the hardware security module itself. Instead of requiring physical access to the HSM for application installation, the system extracts the essential configuration data and certification information into portable configuration scripts. This extraction allows remote updates while the HSM remains securely protected and accessible only when physically present.
2Reliability
If access to the security domain is restricted to trusted parties only, then security is maintained, but ease of configuration and modification deteriorates
Solution Approach 1:
The configuration script serves as an intermediary that bridges the security domain and external configuration needs. The script contains embedded certification information and configuration parameters, allowing authorized users to remotely configure applications without directly accessing the security domain. This maintains security restrictions while improving ease of configuration through automated script-based provisioning.
Solution Approach 2:
The system performs preliminary actions by pre-generating configuration scripts with all necessary configuration data and certification information embedded within them. These scripts are created in advance by the configuration generator with proper security credentials, allowing subsequent remote application configuration without requiring real-time access to the security domain or manual intervention.
3Ease of operation
If configuration scripts are generated with embedded certification information, then remote installation becomes possible, but configuration script verification complexity increases
Solution Approach 1:
The configuration script acts as an intermediary carrier that bundles certification information, configuration parameters, and application provisioning data into a single verifiable artifact. The script includes embedded digital signatures and certification chains that enable automated verification by the data transfer terminal, simplifying the overall verification process despite the embedded complexity.
Solution Approach 2:
The system implements feedback mechanisms where the configuration terminal verifies the configuration script's digital signature and certification information before execution. The verification process provides feedback on the script's authenticity and integrity, allowing the system to automatically accept or reject the configuration without manual intervention, thus managing complexity through automated decision-making.
Data Source
AI summary
A method may include receiving configuration data associated with an application used for secure data transfers. The method may include accessing certificate data indicating a certificate chain from a certificate service. The method may include generating a configuration script based at least in part on the configuration data and including at least a portion of the certificate data in the certificate data. The method may include generating a script hash based on at least a portion of the configuration script. The method may include receiving a validation signature for the configuration script from the certificate service. The method may include providing the configuration script, the script hash, and the validation signature to a user device may include the application used for secure data transfers such that the application is modified using the configuration script.