SPDX: It’s Already in Use for Global Software Bill of Materials (SBOM) and Supply Chain Security

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by | December 16, 2021


In a previous Linux Foundation blog, David A. Wheeler, director of LF Supply Chain Security, discussed how capabilities built by Linux Foundation communities can be used to address the software supply chain security requirements set by the US Executive Order on Cybersecurity.

One of those capabilities, SPDX, completely addresses the Executive Order 4(e) and 4(f) and 10(j) requirements for a Software Bill of Materials (SBOM). The SPDX specification is implemented as a file format that identifies the software components within a larger piece of computer software and metadata such as the licenses of those components.

SPDX is an open standard for communicating software bill of material (SBOM) information, including components, licenses, copyrights, and security references. It has a rich ecosystem of existing tools that provides a common format for companies and communities to share important data to streamline and improve the identification and monitoring of software.

SBOMs have numerous use cases. They have frequently been used in areas such as license compliance but are equally useful in security, export control, and broader processes such as mergers and acquisitions (M&A) processes or venture capital investments. SDPX maintains an active community to support various uses, modeling its governance and activity on the same format that has successfully supported open source software projects over the past three decades.

The LF has been developing and refining SPDX for over ten years and has seen extensive uptake by companies and projects in the software industry. Notable recent examples are the contributions by companies such as Hitachi, Fujitsu, and Toshiba in furthering the standard via optional profiles like “SPDX Lite” in the SPDX 2.2 specification release and in support of the SPDX SBOMs in proprietary and open source automation solutions.

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