software-signing

Installation
SKILL.md

Software Signing

Security Requirement

All binaries and container images MUST be digitally signed so that users and automated systems can verify their integrity and provenance.

What to Sign

Artifact Signing Method
Container images Sigstore Cosign, Docker Content Trust
Binaries GPG signatures, Sigstore
Helm charts Helm provenance files (GPG signed)
Python packages GPG or Sigstore signatures
npm packages npm provenance (Sigstore-based)

Sigstore Cosign Example

Installs
2
GitHub Stars
52
First Seen
Jul 18, 2026
software-signing — redhatproductsecurity/prodsec-skills