Sigstore Reaches GA For Working To Secure The Open-Source Software Supply Chain

Written by Michael Larabel in Free Software on 30 October 2022 at 06:00 AM EDT. Add A Comment
Sigstore that is backed by Google, Red Hat, GitHub, and other prominent organizations with an aim to secure the open-source software supply chain has reached general availability and issued the "v1.0" releases for their key software components.

This week Sigstore celebrated its general availability milestone and releasing the v1.0 software of their Rekor transparency log and Fulcio certificate authority software. Sigstore now considers itself to be production-grade for software artifact signing and verification.

Sigstore provides the means of easily and cryptographically-backed means of signing code, verifying signatures using a transparency log, and monitoring of activity for safely vetting the software supply chain. On the project site of, Sigstore describes itself as:
sigstore is a set of tools developers, software maintainers, package managers and security experts can benefit from. Bringing together free-to-use open source technologies like Fulcio, Cosign and Rekor, it handles digital signing, verification and checks for provenance needed to make it safer to distribute and use open source software.

A standardized approach

This means that open source software uploaded for distribution has a stricter, more standardized way of checking who’s been involved, that it hasn’t been tampered with. There’s no risk of key compromise, so third parties can’t hijack a release and slip in something malicious.

Those wishing to learn more about Sigstore's general availability this week can read more information about it on the Google Open-Source Blog and Sigstore blog.
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