Command-line tool

cosign

brew/cosign

Checked 25 Oct 2026, 21:09 UTC · Listing refreshed from Homebrew, winget, npm, Scoop and cargo; npm packages checked against OSV.dev

Container Signing

Website Source

At a glance

Type

Command-line tool

Install on

Windows, macOS, Linux

Last checked

25 Oct 2026, 21:09 UTC

Install it

Windows

winget install --id Sigstore.Cosign -e
scoop install cosign

macOS

brew install cosign

Linux

brew install cosign

Generate a key-pair

cosign generate-key-pair

Sign a container and store the signature in the registry

cosign sign --key cosign.key image

Sign a container image with a key pair stored in a Kubernetes secret

cosign sign --key k8s://namespace/key image

Browse

• Docker and Kubernetes

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