in-toto
by in-toto
in-toto is a framework that ensures the integrity of the software supply chain by verifying authorized execution of each step and preventing tampering of the final product.
in-toto is a framework to protect supply chain integrity.
Primary Use Case
in-toto is used by project owners and software supply chain participants to define, enforce, and verify the sequence of steps involved in software production, ensuring that only authorized functionaries perform each task and that artifacts are not tampered with. It is ideal for organizations seeking to secure their build and deployment pipelines against supply chain attacks and maintain compliance.
- Defines a software supply chain layout specifying authorized steps and functionaries
- Collects and signs metadata (link files) for each supply chain step executed
- Verifies the integrity and authenticity of the final product using layout and link signatures
- Supports artifact rules to authorize and enforce allowed file operations per step
- Enables manual or automated verification of supply chain integrity
- Allows inclusion of inspections to run commands during verification
- Provides a simple rule language to chain and enforce artifact transformations
Installation
- Ensure system dependencies are met as per documentation
- Install in-toto via pip: pip install in-toto
- Refer to https://in-toto.readthedocs.io/en/latest/installing.html for alternative installation methods and recommendations
Usage
>_ pip install in-totoInstalls the in-toto framework via Python package manager pip
- Integrate in-toto with CI/CD pipelines to automate supply chain integrity verification at every build and deployment stage.
- Leverage in-toto metadata to enhance anomaly detection by correlating build step deviations with runtime alerts.
- Use in-toto layouts to enforce strict role-based access and authorization policies for build and deployment functionaries.
- Combine in-toto with software bill of materials (SBOM) tools to improve transparency and traceability of software components.
- Employ in-toto inspections to run custom security checks and compliance audits automatically during supply chain verification.
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