gitsign
cosign
gitsign | cosign | |
---|---|---|
10 | 30 | |
899 | 4,068 | |
0.7% | 1.7% | |
9.1 | 9.6 | |
3 days ago | 9 days ago | |
Go | Go | |
GNU General Public License v3.0 or later | Apache License 2.0 |
Stars - the number of stars that a project has on GitHub. Growth - month over month growth in stars.
Activity is a relative number indicating how actively a project is being developed. Recent commits have higher weight than older ones.
For example, an activity of 9.0 indicates that a project is amongst the top 10% of the most actively developed projects that we are tracking.
gitsign
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Gittuf ā a security layer for Git using some concepts introduced by TUF
> does it also filter/escape ANSI Sequences in messages and author names?
Not at present! Do you have a link or so I could use to familiarize myself? I'm curious if it'd fall within gittuf's scope.
> does it block garbage collection?
Nope, it doesn't. That said, the repository will have more objects, gittuf tracks additional objects through custom refs in `refs/gittuf/`.
> how do you ensure that the developers are really the developers and there's no spoofing?
At present, gittuf policies use signing keys. It doesn't rely on the commit metadata for author and committer but rather the commit's signature. We support GPG and Sigstore's gitsign [0] right now, and we want to support other signing mechanisms like SSH keys as well.
[0] https://github.com/sigstore/gitsign
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Signing Git Commits with Your SSH Key
You may want to check out https://github.com/sigstore/gitsign! You can generate ephemeral x509 code signing certs for free using Sigstore.
(disclosure: I'm a maintainer for gitsign)
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A toolbox for a secure software supply chain
Def check out the gitsign project mentioned in the post: https://github.com/sigstore/gitsign
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Enable Gitsign Today and Start Signing your Commits
Gitsign offers a keyless commit signing implementation based on OIDC, which is an identity layer built on top of the OAuth 2.0 framework. Gitsign supports verifying your identity either through GitHub, Microsoft, or a Google account.
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SSH commit verification now supported
Shameless plug for the gitsign project in sigstore: https://github.com/sigstore/gitsign
This isn't supported by GitHub yet but we're hopefully working towards that too.
- sigstore/gitsign: Keyless Git signing using Sigstore
- Keyless Git signing with Sigstore!
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Gitsign
We used to actually run an RFC3161 timestamp server in addition to the transparency log but recently turned it down because no one was using it. I'd like to bring it back for stuff like this.
https://github.com/sigstore/gitsign/issues/22
cosign
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Securing CI/CD Images with Cosign and OPA
Cosign: In this context, Cosign from the Sigstore project offers a compelling solution. Its simplicity, registry compatibility, and effective link between images and their signatures provide a user-friendly and versatile approach. The integration of Fulcio for certificate management and Rekor for secure logging enhances Cosign's appeal, making it particularly suitable for modern development environments that prioritize security and agility.
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An Overview of Kubernetes Security Projects at KubeCon Europe 2023
sigstore is another suite of tools that focuses on attestation and provenance. Within the suite are two tools I heard mentioned a few times at KubeCon: Cosign and Rekor.
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Spin 1.0 ā The Developer Tool for Serverless WebAssembly
Since we can distribute Spin applications using popular registry services, we can also take advantage of ecosystem tools such as Sigstore and Cosign, which address the software supply chain issue by signing and verifying applications using Sigstore's new keyless signatures (using OIDC identity tokens from providers such as GitHub).
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Iron Bank: Secure Registries, Secure Containers
Use distroless images (which contain only application and its runtime dependencies, and don't include package managers/shells or any other programs you would expect to find in a standard Linux distribution). All distroless images are signed by cosign.
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Getting hands on with Sigstore Cosign on AWS
$ COSIGN_EXPERIMENTAL=1 cosign verify-blob --cert https://github.com/sigstore/cosign/releases/download/v1.13.1/cosign-linux-amd64-keyless.pem --signature https://github.com/sigstore/cosign/releases/download/v1.13.1/cosign-linux-amd64-keyless.sig https://github.com/sigstore/cosign/releases/download/v1.13.1/cosign-linux-amd64
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How much are you 'trusting' a docker image from hub.docker.com?
Another thing to look for is, whether the image is signed using something like cosign (https://github.com/sigstore/cosign). This lets the publisher digitally sign the image, so you at least know that what's on the registry is what they intended to put there. Handy to avoid the risks of attackers squatting similar names and catching typos.
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What security controls to prevent someone from pushing arbitrary code into production?
iām late but surprised no one has mentioned cosign
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Docker build fails on GitHub Action after net7 update
name: Docker # This workflow uses actions that are not certified by GitHub. # They are provided by a third-party and are governed by # separate terms of service, privacy policy, and support # documentation. on: push: branches: [ "main" ] # Publish semver tags as releases. tags: [ 'v*.*.*' ] pull_request: branches: [ "main" ] paths: - src/MamisSolidarias.WebAPI.Campaigns/Dockerfile - .github/workflows/docker-publish.yml workflow_dispatch: env: # Use docker.io for Docker Hub if empty REGISTRY: ghcr.io IMAGE_NAME: mamis-solidarias/campaigns jobs: build: runs-on: ubuntu-latest permissions: contents: read packages: write # This is used to complete the identity challenge # with sigstore/fulcio when running outside of PRs. id-token: write steps: - name: Checkout repository uses: actions/checkout@v3 # Install the cosign tool except on PR # https://github.com/sigstore/cosign-installer - name: Install cosign if: github.event_name != 'pull_request' uses: sigstore/cosign-installer@main with: cosign-release: 'v1.13.1' - name: Set up QEMU uses: docker/setup-qemu-action@v2 with: platforms: 'arm64' # Workaround: https://github.com/docker/build-push-action/issues/461 - name: Setup Docker buildx uses: docker/setup-buildx-action@v2 # Login against a Docker registry except on PR # https://github.com/docker/login-action - name: Log into registry ${{ env.REGISTRY }} if: github.event_name != 'pull_request' uses: docker/login-action@v2 with: registry: ${{ env.REGISTRY }} username: ${{ github.actor }} password: ${{ secrets.GITHUB_TOKEN }} # Extract metadata (tags, labels) for Docker # https://github.com/docker/metadata-action - name: Extract Docker metadata id: meta uses: docker/metadata-action@v4 with: images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }} tags: | type=schedule type=ref,event=branch type=ref,event=pr type=semver,pattern={{version}} type=semver,pattern={{major}}.{{minor}} type=semver,pattern={{major}} type=sha # Build and push Docker image with Buildx (don't push on PR) # https://github.com/docker/build-push-action - name: Build and push Docker image id: build-and-push uses: docker/build-push-action@v3 with: context: . platforms: linux/amd64, linux/arm64 file: src/MamisSolidarias.WebAPI.Campaigns/Dockerfile push: ${{ github.event_name != 'pull_request' }} tags: ${{ steps.meta.outputs.tags }} labels: ${{ steps.meta.outputs.labels }} # Sign the resulting Docker image digest except on PRs. # This will only write to the public Rekor transparency log when the Docker # repository is public to avoid leaking data. If you would like to publish # transparency data even for private images, pass --force to cosign below. # https://github.com/sigstore/cosign - name: Sign the published Docker image if: ${{ github.event_name != 'pull_request' }} env: COSIGN_EXPERIMENTAL: "true" # This step uses the identity token to provision an ephemeral certificate # against the sigstore community Fulcio instance. run: echo "${{ steps.meta.outputs.tags }}" | xargs -I {} cosign sign {}@${{ steps.build-and-push.outputs.digest }}
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How to tag base image so images built from it can be tracked
After inspecting the layers i think you should start thinking about signing your images: https://github.com/sigstore/cosign/
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Understanding Kubernetes Limits and Requests
cosign
What are some alternatives?
smimesign - An S/MIME signing utility for use with Git
notation - A CLI tool to sign and verify artifacts
git-ts - Git TimeStamp Utility
in-toto-golang - A Go implementation of in-toto. in-toto is a framework to protect software supply chain integrity.
github - Just a place to track issues and feature requests that I have for github
connaisseur - An admission controller that integrates Container Image Signature Verification into a Kubernetes cluster
SignTools - ā A free, self-hosted platform to sideload iOS apps without a computer
spire - The SPIFFE Runtime Environment
community - Public feedback discussions for: GitHub Mobile, GitHub Discussions, GitHub Codespaces, GitHub Sponsors, GitHub Issues and more!
spiffe-vault - Integrates Spiffe and Vault to have secretless authentication
cargo-vet - supply-chain security for Rust
rekor - Software Supply Chain Transparency Log