Chip vendors never ship silicon alone — they ship SDKs, drivers, BSPs and toolchains. OS vendors ship collections of tens of thousands of packages. When customers start demanding composition evidence, you need to answer not only what you use, but what is inside what you deliver.
Chip SDKs and OS distributions sit upstream. The completeness of your downstream customers' SBOMs depends directly on what you can provide, and opacity at the top amplifies as it travels down.
A Linux distribution contains tens of thousands of packages; a complete chip toolchain likewise involves large numbers of third-party components and build artifacts. Manual inventory is simply not operable at this scale.
BSPs and drivers frequently involve kernel modules, where the boundary between GPL and proprietary IP directly shapes the business model and demands evidence at file and snippet granularity.
SBOM delivery requirements from automotive, communications and device customers keep tightening, while regulations such as the EU CRA transmit obligations upstream. Both pressures point at the same capability.
An increasing share of procurement contracts from automotive, communications and device customers include SBOM delivery clauses, turning the component inventory from technical documentation into a commercial precondition.
As constituent parts of products with digital elements, chip software and infrastructure software inherit composition transparency and vulnerability handling obligations, with main obligations phasing in through 2027.
License obligations for kernel modules, toolchains and runtime libraries require precise determination — particularly the linking boundary between GPL-family and proprietary code, which bears directly on IP protection.
Operating systems and infrastructure software must provide auditable composition and provenance evidence in domestic substitution scenarios, where supply chain autonomy becomes a substantive admission condition.
CleanSource SCA identifies code provenance through snippet-level fingerprint matching, locating open source code down to specific files and line ranges even when it has been modified, trimmed or embedded — providing evidence for IP boundary decisions.
Explore CleanSource SCA →CleanBinary performs composition identification on build artifacts, static libraries and firmware images, verifying that deliverables match the source inventory so that what the manifest says and what actually ships do not diverge.
Explore CleanBinary →For distributions and toolchains at the scale of tens of thousands of packages, wire composition analysis into the build system for full automated inventory and incremental updates, replacing an unsustainable manual approach.
CI gate practice →Emit structured SBOMs in SPDX / CycloneDX with license obligation notes and vulnerability status, provided directly to downstream customers as part of the deliverable.
SBOM fields guide →A component inventory was established for the SDKs, drivers and toolchains shipped alongside silicon. Snippet-level identification locates open source code that has been modified or trimmed, clarifying the linking boundary between GPL and proprietary IP and producing verifiable license documentation for downstream customers.
For a distribution at the scale of tens of thousands of packages, composition analysis was wired into the build system for fully automated inventory, producing structured SBOMs as part of the deliverable and directly satisfying composition delivery clauses in downstream customer contracts.
Semiconductor and infrastructure software customers (selected)
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