# Signing container images: Comparing Sigstore, Notary, and Docker Content Trust

DevFeed: [Signing container images: Comparing Sigstore, Notary, and Docker Content Trust](<https://devfeed.tech/articles/signing-container-images-comparing-sigstore-notary-and-docker-content-trust-8101.md>)

Original publisher: [Read original article](<https://snyk.io/blog/signing-container-images/>)

Author: Hrittik Roy

Published: 2023-09-26T05:00:00Z

Content type: article

Language: en

Sources: [Blog RSS Feed | Snyk](<https://devfeed.tech/sources/blog-rss-feed-snyk.md>)

Topics: [Containers](<https://devfeed.tech/topics/containers.md>), [supply-chain-security](<https://devfeed.tech/topics/supply-chain-security.md>), [Security](<https://devfeed.tech/topics/security.md>), [Docker](<https://devfeed.tech/topics/docker.md>)

Tags: [article](<https://devfeed.tech/tags/article.md>), [awareness](<https://devfeed.tech/tags/awareness.md>), [blog](<https://devfeed.tech/tags/blog.md>), [container-images](<https://devfeed.tech/tags/container-images.md>), [container-security](<https://devfeed.tech/tags/container-security.md>), [cryptographic](<https://devfeed.tech/tags/cryptographic.md>), [developer](<https://devfeed.tech/tags/developer.md>), [devops](<https://devfeed.tech/tags/devops.md>), [docker](<https://devfeed.tech/tags/docker.md>), [draftdotdev](<https://devfeed.tech/tags/draftdotdev.md>), [kubernetes](<https://devfeed.tech/tags/kubernetes.md>), [oidc](<https://devfeed.tech/tags/oidc.md>), [openid-connect](<https://devfeed.tech/tags/openid-connect.md>), [security](<https://devfeed.tech/tags/security.md>), [signing](<https://devfeed.tech/tags/signing.md>), [sigstore](<https://devfeed.tech/tags/sigstore.md>), [snyk-container](<https://devfeed.tech/tags/snyk-container.md>), [software-supply-chain](<https://devfeed.tech/tags/software-supply-chain.md>), [transparency-log](<https://devfeed.tech/tags/transparency-log.md>), [tutorial](<https://devfeed.tech/tags/tutorial.md>)

## AI overview

This article compares Sigstore Cosign, Notary v2, and Docker Content Trust for signing and verifying container images. It explains how cryptographic signatures help establish image authenticity, integrity, ownership, accountability, and supply-chain compliance, then introduces a tutorial for integrating one of the tools into a workflow.

## Source excerpt

In this article, we will compare three popular container signing solutions: Sigstore Cosign, Notary v2, and Docker Content Trust (DCT), (a.k.a. Notary v1). You'll learn about their features, capabilities, and suitability for securing container image supply chains.