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<ins> --- layout: blog title: "Kubernetes 1.26: 我们现在正在对二进制发布工件进行签名!" date: 2022-12-12 slug: kubernetes-release-artifact-signing --- <!-- layout: blog title: "Kubernetes 1.26: We're now signing our binary release artifacts!" date: 2022-12-12 slug: kubernetes-release-artifact-signing --> <!-- **Author:** Sascha Grunert --> **作者：** Sascha Grunert **译者：** XiaoYang Zhang (HUAWEI) <!-- The Kubernetes Special Interest Group (SIG) Release is proud to announce that we are digitally signing all release artifacts, and that this aspect of Kubernetes has now reached _beta_. --> Kubernetes 特别兴趣小组 SIG Release 自豪地宣布，我们正在对所有发布工件进行数字签名，并且 Kubernetes 在这一方面现已达到 **Beta**。 <!-- Signing artifacts provides end users a chance to verify the integrity of the downloaded resource. It allows to mitigate man-in-the-middle attacks directly on the client side and therefore ensures the trustfulness of the remote serving the artifacts. The overall goal of out past work was to define the used tooling for signing all Kubernetes related artifacts as well as providing a standard signing process for related projects (for example for those in [kubernetes-sigs][k-sigs]). --> 签名工件为终端用户提供了验证下载资源完整性的机会。 它可以直接在客户端减轻中间人攻击，从而确保远程服务工件的可信度。 过去工作的总体目标是定义用于对所有 Kubernetes 相关工件进行签名的工具， 以及为相关项目（例如 [kubernetes-sigs][k-sigs] 中的项目）提供标准签名流程。 [k-sigs]: https://github.com/kubernetes-sigs <!-- We already signed all officially released container images (from Kubernetes v1.24 onwards). Image signing was alpha for v1.24 and v1.25. For v1.26, we've added all **binary artifacts** to the signing process as well! This means that now all [client, server and source tarballs][tarballs], [binary artifacts][binaries], [Software Bills of Material (SBOMs)][sboms] as well as the [build provenance][provenance] will be signed using [cosign][cosign]. Technically speaking, we now ship additional `*.sig` (signature) and `*.cert` (certificate) files side by side to the artifacts for verifying their integrity. --> 我们已经对所有官方发布的容器镜像进行了签名（从 Kubernetes v1.24 开始）。 在 v1.24 版本和 v1.25 版本中，镜像签名是 alpha 版本。 在 v1.26 版本中，我们将所有的 **二进制工件** 也加入到了签名过程中！ 这意味着现在所有的[客户端、服务器和源码压缩包][tarballs]、[二进制工件][binaries]、[软件材料清单（SBOM）][sboms] 以及[构建源][provenance]都将使用 [cosign][cosign] 进行签名！ 从技术上讲，我们现在将额外的 `*.sig`（签名）和 `*.cert`（证书）文件与工件一起发布以用于验证其完整性。 [tarballs]: https://github.com/kubernetes/kubernetes/blob/release-1.26/CHANGELOG/CHANGELOG-1.26.md#downloads-for-v1260 [binaries]: https://gcsweb.k8s.io/gcs/kubernetes-release/release/v1.26.0/bin [sboms]: https://dl.k8s.io/release/v1.26.0/kubernetes-release.spdx [provenance]: https://dl.k8s.io/kubernetes-release/release/v1.26.0/provenance.json [cosign]: https://github.com/sigstore/cosign <!-- To verify an artifact, for example `kubectl`, you can download the signature and certificate alongside with the binary. I use the release candidate `rc.1` of v1.26 for demonstration purposes because the final has not been released yet: --> 要验证一个工件，例如 `kubectl`，你可以在下载二进制文件的同时下载签名和证书。 我使用 v1.26 的候选发布版本 `rc.1` 来演示，因为最终版本还没有发布： ```shell curl -sSfL https://dl.k8s.io/release/v1.26.0-rc.1/bin/linux/amd64/kubectl -o kubectl curl -sSfL https://dl.k8s.io/release/v1.26.0-rc.1/bin/linux/amd64/kubectl.sig -o kubectl.sig curl -sSfL https://dl.k8s.io/release/v1.26.0-rc.1/bin/linux/amd64/kubectl.cert -o kubectl.cert ``` <!-- Then you can verify `kubectl` using [`cosign`][cosign]: --> 然后你可以使用 [`cosign`][cosign] 验证 `kubectl`： ```shell COSIGN_EXPERIMENTAL=1 cosign verify-blob kubectl --signature kubectl.sig --certificate kubectl.cert ``` ``` tlog entry verified with uuid: 5d54b39222e3fa9a21bcb0badd8aac939b4b0d1d9085b37f1f10b18a8cd24657 index: 8173886 Verified OK ``` <!-- The UUID can be used to query the [rekor][rekor] transparency log: --> 可用 UUID 查询 [rekor][rekor] 透明日志： [rekor]: https://github.com/sigstore/rekor ```shell rekor-cli get --uuid 5d54b39222e3fa9a21bcb0badd8aac939b4b0d1d9085b37f1f10b18a8cd24657 ``` ``` LogID: c0d23d6ad406973f9559f3ba2d1ca01f84147d8ffc5b8445c224f98b9591801d Index: 8173886 IntegratedTime: 2022-11-30T18:59:07Z UUID: 24296fb24b8ad77a5d54b39222e3fa9a21bcb0badd8aac939b4b0d1d9085b37f1f10b18a8cd24657 Body: { "HashedRekordObj": { "data": { "hash": { "algorithm": "sha256", "value": "982dfe7eb5c27120de6262d30fa3e8029bc1da9e632ce70570e9c921d2851fc2" } }, "signature": { "content": "MEQCIH0e1/0svxMoLzjeyhAaLFSHy5ZaYy0/2iQl2t3E0Pj4AiBsWmwjfLzrVyp9/v1sy70Q+FHE8miauOOVkAW2lTYVug==", "publicKey": { "content": "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" } } } } ``` <!-- The `HashedRekordObj.signature.content` should match the content of the file `kubectl.sig` and `HashedRekordObj.signature.publicKey.content` should be identical with the contents of `kubectl.cert`. It is also possible to specify the remote certificate and signature locations without downloading them: --> `HashedRekordObj.signature.content` 应与 `kubectl.sig` 的内容匹配， `HashedRekordObj.signature.publicKey.content` 应与 `kubectl.cert` 的内容匹配。 也可以指定远程证书和签名的位置而不下载它们： ```shell COSIGN_EXPERIMENTAL=1 cosign verify-blob kubectl  --signature https://dl.k8s.io/release/v1.26.0-rc.1/bin/linux/amd64/kubectl.sig  --certificate https://dl.k8s.io/release/v1.26.0-rc.1/bin/linux/amd64/kubectl.cert ``` ``` tlog entry verified with uuid: 5d54b39222e3fa9a21bcb0badd8aac939b4b0d1d9085b37f1f10b18a8cd24657 index: 8173886 Verified OK ``` <!-- All of the mentioned steps as well as how to verify container images are outlined in the official documentation about how to [Verify Signed Kubernetes Artifacts][docs]. In one of the next upcoming Kubernetes releases we will working making the global story more mature by ensuring that truly all Kubernetes artifacts are signed. Beside that, we are considering using Kubernetes owned infrastructure for the signing (root trust) and verification (transparency log) process. --> 有关如何[验证已签名的 Kubernetes 工件][docs]的官方文档中概述了所有提到的步骤以及如何验证容器镜像。 在下一个即将发布的 Kubernetes 版本中，我们将通过确保真正对所有 Kubernetes 工件进行签名来使之在全球更加成熟。 除此之外，我们正在考虑使用 Kubernetes 自有的基础设施来进行签名（根信任）和验证（透明日志）过程。 <!-- [docs]: /docs/tasks/administer-cluster/verify-signed-artifacts --> [docs]: /zh-cn/docs/tasks/administer-cluster/verify-signed-artifacts <!-- ## Getting involved If you're interested in contributing to SIG Release, then consider applying for the upcoming v1.27 shadowing program (watch for the announcement on [k-dev][k-dev]) or join our [weekly meeting][meeting] to say _hi_. --> ## 参与其中  {#getting-involved} 如果你有兴趣为 SIG Release 做贡献，请考虑申请即将推出的 v1.27 影子计划（观看 [k-dev][k-dev] 上的公告）或参加我们的[周例会][meeting]。 <!-- We're looking forward to making even more of those awesome changes for future Kubernetes releases. For example, we're working on the [SLSA Level 3 Compliance in the Kubernetes Release Process][slsa] or the [Renaming of the kubernetes/kubernetes default branch name to `main`][kkmain]. --> 我们期待着在未来的 Kubernetes 版本中做出更多了不起的改变。例如，我们正在致力于 [Kubernetes 发布过程中的 SLSA 3 级合规性][slsa]或将 [kubernetes/kubernetes 默认分支名称重命名为 `main`][kkmain]。 <!-- Thank you for reading this blog post! I'd like to use this opportunity to give all involved SIG Release folks a special shout-out for shipping this feature in time! --> 感谢你阅读这篇博文！我想借此机会向所有参与的 SIG Release 人员表示特别地感谢，感谢他们及时推出这一功能！ <!-- Feel free to reach out to us by using the [SIG Release mailing list][mail] or the [#sig-release][slack] Slack channel. --> 欢迎使用 [SIG Release 邮件列表][mail]或 [#sig-release][slack] Slack 频道与我们联系。 [mail]: https://groups.google.com/g/kubernetes-sig-release [slsa]: https://github.com/kubernetes/enhancements/issues/3027 [kkmain]: https://github.com/kubernetes/enhancements/issues/2853 [slack]: http://slack.k8s.io [k-dev]: https://groups.google.com/a/kubernetes.io/g/dev [meeting]: http://bit.ly/k8s-sig-release-meeting <!-- ## Additional resources - [Signing Release Artifacts Enhancement Proposal](https://github.com/kubernetes/enhancements/issues/3031) --> ## 附加资源  {#additional-resources} - [签名发布工件增强提案](https://github.com/kubernetes/enhancements/issues/3031) </ins>  No newline at end of file