Script Validator for File Trustworthiness Verification
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Solution Overview
Problem
Computer system administrators face challenges in efficiently managing and supporting computer systems, particularly in minimizing downtime during hardware and software upgrades or repairs, while also ensuring the trustworthiness of files containing computer instructions.
Innovation Solution
A method and system for verifying the trustworthiness of files with embedded digital signatures, using a script validator to authenticate and validate digital signatures before processing, and a here document utility to simplify the installation of updates by embedding and extracting binary data within scripts.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If digital signature validation is implemented for files containing computer instructions, then system security and trustworthiness are improved, but processing time and system complexity increase
Solution Approach 1:
The patent embeds digital signatures directly within the file content during the file creation or distribution phase, so that validation can be performed efficiently without requiring separate authentication steps. The signature is prepared in advance as part of the file structure, enabling quick verification when the file is processed.
Solution Approach 2:
The patent introduces a script validator as an intermediary component that automatically performs digital signature validation between the file processing system and the actual file execution. This mediator handles the security verification transparently, preventing direct time-consuming validation operations from blocking the main processing flow.
2Reliability
If digital signature validation is implemented for files containing computer instructions, then system security is improved, but device complexity increases
Solution Approach 1:
The script validator serves as an intermediary layer that encapsulates the complexity of digital signature validation logic. By placing this validation mechanism between the file processing system and external interfaces, the patent isolates the complexity within a dedicated component, preventing it from propagating throughout the entire system architecture.
Solution Approach 2:
The patent divides the file processing system into distinct functional segments: a script validator component专门负责数字签名验证, and the main file processing component that handles actual file operations. This segmentation allows each component to be optimized independently, with the validator focusing solely on security verification while the processing component maintains operational simplicity.
3Productivity
If computer system maintenance and upgrades are performed, then system functionality and performance are improved, but downtime increases
Solution Approach 1:
The patent embeds digital signatures and validation mechanisms into files before they are distributed for system maintenance or upgrades. This preliminary preparation ensures that when maintenance files are applied, the validation process is already integrated into the file structure, enabling rapid verification and execution without extending the maintenance window.
Solution Approach 2:
The patent enables rapid validation of digital signatures during file processing by using pre-embedded signatures that can be verified quickly without requiring complex external authentication processes. This allows the system to rush through the validation step efficiently, minimizing the time systems remain in maintenance mode.
Data Source
AI summary
An exemplary method involves receiving a request to process a file comprising computer instructions. The file may be a script, a source code file, a binary file, etc. The method also involves identifying a digital signature embedded in comments within the file. The method also involves attempting to validate the digital signature. If the digital signature is validated, the file is processed. If the digital signature is not validated, the file is not processed. The file may include multiple digital signatures. When this occurs, the file may be processed only if all of the multiple digital signatures are validated. Alternatively, the file may be processed if any of the multiple digital signatures are validated.