Blockchain Code Integrity Validation via Hash Signing
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing information handling systems lack effective mechanisms to validate the integrity of software code contributions and their revisions, particularly in ensuring that referenced libraries or DLLs have not been tampered with during updates or modifications, which can compromise system security and reliability.
Innovation Solution
Implementing a distributed ledger system, such as a public blockchain, to track and validate software developer code contributions by hashing and signing each contribution with a private key, allowing for local caching and verification on user devices, and employing a loader service to validate dependencies before loading, ensuring the integrity of code digests and dependencies before they are loaded into memory.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If code contributions are updated or modified without validation, then software development efficiency is improved, but system security and reliability deteriorate
Solution Approach 1:
The system performs preliminary validation of code contributions by computing hashes and verifying digital signatures before the code is loaded or executed. This advance verification ensures that only authentic, un tampered code is introduced into the system, maintaining security while enabling efficient development iterations.
Solution Approach 2:
A blockchain-based verification mechanism acts as an intermediary between code contributors and the loading system. The blockchain stores cryptographic proofs of code integrity, serving as a trusted mediator that validates code contributions without requiring direct trust between developers and the system, thus maintaining both security and development efficiency.
2Reliability
If code contributions are validated using traditional methods, then system security is improved, but processing time and complexity increase
Solution Approach 1:
The system uses cryptographic hash copies of the original code as verification tokens. Instead of re-examining the entire code base during validation, the system computes a hash (a compact digital fingerprint) of the code and verifies this hash against the blockchain record. This copying approach maintains rigorous validation while dramatically reducing processing time.
Solution Approach 2:
The patent replaces traditional manual or complex automated code review mechanisms with cryptographic verification. Instead of examining code logic or behavior, the system uses mathematical hash functions and digital signature verification to prove code integrity, substituting mechanical validation processes with efficient cryptographic operations.
3Adaptability or versatility
If code contributions are modified without tracking, then development flexibility is improved, but code provenance and accountability deteriorate
Solution Approach 1:
The blockchain system provides continuous feedback about code provenance by recording each code contribution's cryptographic hash and associated metadata (developer identity, timestamp, version). This feedback mechanism maintains a complete audit trail of code evolution, allowing the system to track modifications while preserving developer accountability and code history.
Solution Approach 2:
The system performs preliminary registration of code contributions in the blockchain before any modifications occur. Each initial code submission is hashed and recorded with developer attribution, creating a baseline record that enables future tracking of modifications while maintaining flexibility for updates.
Data Source
AI summary
Systems and methods are provided that that may be implemented to track software developer code contributions and their respective revisions. In one exemplary implementation, a distributed ledger may be utilized to track software developer code contributions and their respective revisions. Each code contribution digest, code digest ID, developer public key and previous blockchain block may be compiled for a new block in the blockchain, and the compilation may first be hashed and signed by the private key of the developer. Each developer may have his/her own blockchain that resides within a code repository site and which may also be cached locally on the end user device and used to verify the integrity of the code contribution (e.g., application/service/executable) at the time it is installed on the end user device.