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365 lines
9.6 KiB
Markdown
365 lines
9.6 KiB
Markdown
---
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title: "trust inspect"
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description: "The inspect command description and usage"
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keywords: "view, notary, trust"
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---
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<!-- This file is maintained within the docker/cli GitHub
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repository at https://github.com/docker/cli/. Make all
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pull requests against that repo. If you see this file in
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will be rejected.
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-->
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# trust inspect
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```markdown
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Usage: docker trust inspect IMAGE[:TAG] [IMAGE[:TAG]...]
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Return low-level information about keys and signatures
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```
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## Description
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`docker trust inspect` provides low-level JSON information on signed repositories.
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This includes all image tags that are signed, who signed them, and who can sign
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new tags.
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`docker trust inspect` prints the trust information in a machine-readable format. Refer to
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[`docker trust view`](trust_view.md) for a human-friendly output.
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`docker trust inspect` is currently experimental.
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## Examples
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### Get low-level details about signatures for a single image tag
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Use the `docker trust inspect` to get trust information about an image. The
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following example prints trust information for the `alpine:latest` image:
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```bash
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$ docker trust inspect alpine:latest
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[
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{
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"Name": "alpine:latest",
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"SignedTags": [
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{
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"SignedTag": "latest",
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"Digest": "d6bfc3baf615dc9618209a8d607ba2a8103d9c8a405b3bd8741d88b4bef36478",
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"Signers": [
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"Repo Admin"
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]
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}
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],
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"Signers": [],
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"AdminstrativeKeys": [
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{
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"Name": "Repository",
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"Keys": [
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{
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"ID": "5a46c9aaa82ff150bb7305a2d17d0c521c2d784246807b2dc611f436a69041fd"
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}
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]
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},
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{
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"Name": "Root",
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"Keys": [
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{
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"ID": "a2489bcac7a79aa67b19b96c4a3bf0c675ffdf00c6d2fabe1a5df1115e80adce"
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}
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]
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}
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]
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}
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]
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```
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The `SignedTags` key will list the `SignedTag` name, its `Digest`, and the `Signers` responsible for the signature.
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`AdministrativeKeys` will list the `Repository` and `Root` keys.
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This format mirrors the output of `docker trust view`
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If signers are set up for the repository via other `docker trust` commands, `docker trust inspect` includes a `Signers` key:
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```bash
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$ docker trust inspect my-image:purple
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[
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{
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"Name": "my-image:purple",
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"SignedTags": [
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{
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"SignedTag": "purple",
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"Digest": "941d3dba358621ce3c41ef67b47cf80f701ff80cdf46b5cc86587eaebfe45557",
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"Signers": [
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"alice",
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"bob",
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"carol"
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]
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}
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],
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"Signers": [
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{
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"Name": "alice",
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"Keys": [
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{
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"ID": "04dd031411ed671ae1e12f47ddc8646d98f135090b01e54c3561e843084484a3"
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},
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{
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"ID": "6a11e4898a4014d400332ab0e096308c844584ff70943cdd1d6628d577f45fd8"
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}
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]
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},
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{
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"Name": "bob",
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"Keys": [
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{
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"ID": "433e245c656ae9733cdcc504bfa560f90950104442c4528c9616daa45824ccba"
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}
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]
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},
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{
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"Name": "carol",
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"Keys": [
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{
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"ID": "d32fa8b5ca08273a2880f455fcb318da3dc80aeae1a30610815140deef8f30d9"
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},
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{
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"ID": "9a8bbec6ba2af88a5fad6047d428d17e6d05dbdd03d15b4fc8a9a0e8049cd606"
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}
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]
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}
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],
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"AdminstrativeKeys": [
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{
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"Name": "Repository",
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"Keys": [
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{
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"ID": "27df2c8187e7543345c2e0bf3a1262e0bc63a72754e9a7395eac3f747ec23a44"
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}
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]
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},
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{
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"Name": "Root",
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"Keys": [
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{
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"ID": "40b66ccc8b176be8c7d365a17f3e046d1c3494e053dd57cfeacfe2e19c4f8e8f"
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}
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]
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}
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]
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}
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]
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```
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If the image tag is unsigned or unavailable, `docker trust inspect` does not display any signed tags.
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```bash
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$ docker trust inspect unsigned-img
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No signatures or cannot access unsigned-img
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```
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However, if other tags are signed in the same image repository, `docker trust inspect` reports relevant key information:
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```bash
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$ docker trust inspect alpine:unsigned
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[
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{
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"Name": "alpine:unsigned",
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"Signers": [],
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"AdminstrativeKeys": [
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{
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"Name": "Repository",
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"Keys": [
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{
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"ID": "5a46c9aaa82ff150bb7305a2d17d0c521c2d784246807b2dc611f436a69041fd"
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}
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]
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},
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{
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"Name": "Root",
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"Keys": [
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{
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"ID": "a2489bcac7a79aa67b19b96c4a3bf0c675ffdf00c6d2fabe1a5df1115e80adce"
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}
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]
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}
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]
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}
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]
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```
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### Get details about signatures for all image tags in a repository
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If no tag is specified, `docker trust inspect` will report details for all signed tags in the repository:
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```bash
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$ docker trust inspect alpine
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[
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{
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"Name": "alpine",
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"SignedTags": [
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{
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"SignedTag": "3.5",
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"Digest": "b007a354427e1880de9cdba533e8e57382b7f2853a68a478a17d447b302c219c",
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"Signers": [
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"Repo Admin"
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]
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},
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{
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"SignedTag": "3.6",
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"Digest": "d6bfc3baf615dc9618209a8d607ba2a8103d9c8a405b3bd8741d88b4bef36478",
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"Signers": [
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"Repo Admin"
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]
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},
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{
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"SignedTag": "edge",
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"Digest": "23e7d843e63a3eee29b6b8cfcd10e23dd1ef28f47251a985606a31040bf8e096",
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"Signers": [
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"Repo Admin"
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]
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},
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{
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"SignedTag": "latest",
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"Digest": "d6bfc3baf615dc9618209a8d607ba2a8103d9c8a405b3bd8741d88b4bef36478",
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"Signers": [
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"Repo Admin"
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]
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}
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],
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"Signers": [],
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"AdminstrativeKeys": [
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{
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"Name": "Repository",
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"Keys": [
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{
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"ID": "5a46c9aaa82ff150bb7305a2d17d0c521c2d784246807b2dc611f436a69041fd"
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}
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]
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},
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{
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"Name": "Root",
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"Keys": [
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{
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"ID": "a2489bcac7a79aa67b19b96c4a3bf0c675ffdf00c6d2fabe1a5df1115e80adce"
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}
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]
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}
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]
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}
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]
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```
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### Get details about signatures for multiple images
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`docker trust inspect` can take multiple repositories and images as arguments, and reports the results in an ordered list:
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```bash
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$ docker trust inspect alpine notary
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[
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{
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"Name": "alpine",
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"SignedTags": [
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{
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"SignedTag": "3.5",
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"Digest": "b007a354427e1880de9cdba533e8e57382b7f2853a68a478a17d447b302c219c",
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"Signers": [
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"Repo Admin"
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]
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},
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{
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"SignedTag": "3.6",
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"Digest": "d6bfc3baf615dc9618209a8d607ba2a8103d9c8a405b3bd8741d88b4bef36478",
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"Signers": [
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"Repo Admin"
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]
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},
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{
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"SignedTag": "edge",
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"Digest": "23e7d843e63a3eee29b6b8cfcd10e23dd1ef28f47251a985606a31040bf8e096",
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"Signers": [
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"Repo Admin"
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]
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},
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{
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"SignedTag": "integ-test-base",
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"Digest": "3952dc48dcc4136ccdde37fbef7e250346538a55a0366e3fccc683336377e372",
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"Signers": [
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"Repo Admin"
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]
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},
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{
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"SignedTag": "latest",
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"Digest": "d6bfc3baf615dc9618209a8d607ba2a8103d9c8a405b3bd8741d88b4bef36478",
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"Signers": [
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"Repo Admin"
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]
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}
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],
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"Signers": [],
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"AdminstrativeKeys": [
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{
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"Name": "Repository",
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"Keys": [
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{
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"ID": "5a46c9aaa82ff150bb7305a2d17d0c521c2d784246807b2dc611f436a69041fd"
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}
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]
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},
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{
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"Name": "Root",
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"Keys": [
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{
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"ID": "a2489bcac7a79aa67b19b96c4a3bf0c675ffdf00c6d2fabe1a5df1115e80adce"
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}
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]
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}
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]
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},
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{
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"Name": "notary",
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"SignedTags": [
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{
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"SignedTag": "server",
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"Digest": "71f64ab718a3331dee103bc5afc6bc492914738ce37c2d2f127a8133714ecf5c",
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"Signers": [
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"Repo Admin"
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]
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},
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{
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"SignedTag": "signer",
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"Digest": "a6122d79b1e74f70b5dd933b18a6d1f99329a4728011079f06b245205f158fe8",
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"Signers": [
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"Repo Admin"
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]
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}
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],
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"Signers": [],
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"AdminstrativeKeys": [
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{
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"Name": "Root",
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"Keys": [
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{
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"ID": "8cdcdef5bd039f4ab5a029126951b5985eebf57cabdcdc4d21f5b3be8bb4ce92"
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}
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]
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},
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{
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"Name": "Repository",
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"Keys": [
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{
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"ID": "85bfd031017722f950d480a721f845a2944db26a3dc084040a70f1b0d9bbb3df"
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}
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]
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}
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]
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}
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]
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```
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