Sachin Chaurasiya

Tag

#Cosign

4 items tagged Cosign.

All tags

Articles 3

DevSecOps intermediate

Attestations and Provenance: Binding the SBOM to the Image

Turn the SBOM from part 2 into a Cosign attestation bound to the image digest, verify it and read the predicate back, list what hangs off an image with cosign tree, and see what SLSA build provenance adds.

7 min read
DevSecOps intermediate

Sign and Verify Container Images with Cosign

Cosign with a key pair against a local registry: why the digest is the identity; signing and verifying; a moved tag failing verification while the digest passes; keyless signing as configuration; where the check goes.

9 min read
DevSecOps intermediate

Understanding the Software Supply Chain

The delivery chain from source through dependencies, build, artifact, image, registry and deployment; where each link can be compromised; and the control for each, from lockfiles and SBOMs to signing by digest.

9 min read

Tools 1

package Artifact signing

Cosign (Sigstore)

Signs and verifies container images, SBOMs and attestations.