How do I sign and verify releases (SBOMs, cosign)?

Signing and verifying Software Bill of Materials (SBOMs) using Cosign in Go is essential for ensuring the integrity and authenticity of software artifacts. Cosign is a tool that allows you to sign and verify container images and other artifacts, providing a secure way to manage your deployments.

How to Sign and Verify SBOMs with Cosign

To start signing SBOMs, you will need Cosign installed. Follow these steps:

Step 1: Install Cosign

You can install Cosign using the following command:

go install github.com/sigstore/cosign/cmd/cosign@latest

Step 2: Sign the SBOM

Once Cosign is installed, you can sign your SBOM as follows:

cosign sign --key cosign.key path/to/your/sbom.json

Step 3: Verify the SBOM

To verify that the SBOM is signed correctly, use the command below:

cosign verify --key cosign.pub path/to/your/sbom.json

By following these steps, you can effectively manage the signing and verification of your SBOMs, enhancing the security of your software supply chain.


signing SBOM verifying SBOM Cosign software security Go language software integrity software artifacts

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