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This guide details implementing robust code signing for various build artifacts, including binaries, packages, and containers. It covers both traditional GPG key-based signing and modern, keyless signing using Sigstore/cosign. Use this process to establish verifiable trust chains, ensure artifact integrity against supply-chain tampering, prove authenticity, and meet advanced security standards like SLSA.

This skill details implementing robust container supply chain security using Cosign, a Sigstore tool. It supports both key-based and keyless (OIDC) signing, integrating with Fulcio and Rekor. Use it to verify image provenance, attach critical attestations (like SBOMs and SLSA), and enforce secure image policies in Kubernetes environments.

A comprehensive guide for securing container registries by enforcing vulnerability scanning (Trivy, Grype), generating Software Bill of Materials (SBOM), and implementing digital signing using Cosign and Sigstore. This solution is essential for establishing robust CI/CD pipelines and preventing supply chain attacks before image promotion.

Comprehensive guide on hardening the open-source Harbor container registry. It details configurations for advanced security features including integrated Trivy vulnerability scanning, Notary/Cosign image signing for content trust, fine-grained RBAC, immutable tag retention, and OIDC authentication. Use this when deploying or auditing a registry to ensure image provenance and compliance.

This guide details how to implement secure, keyless software signing using the Sigstore ecosystem components (Cosign, Fulcio, Rekor). It establishes cryptographic provenance for container images and binaries by binding identity via OIDC, ensuring verifiable integrity and tamper-proofing throughout the CI/CD supply chain.

This comprehensive guide covers the process of creating, analyzing, and securing Software Bills of Materials (SBOMs). It utilizes Syft to generate standards-compliant SBOMs (CycloneDX or SPDX) from container images and filesystems. The workflow details correlating these SBOMs with known CVEs using Grype for vulnerability analysis, and subsequently signing the artifacts with Cosign. This process is crucial for establishing supply chain trust, ensuring dependency visibility, and integrating vulnerability gating into CI/CD pipelines.

This skill provides methods to verify artifact signatures and SLSA provenance using tools like cosign and slsa-verifier. It is crucial for building secure CI/CD pipelines, detecting supply-chain attacks (e.g., tampering, compromised builds), and ensuring that deployed artifacts originate from trusted sources and build environments. Key features include enforcing keyless OIDC identity pinning and validating SLSA Build Levels.