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Describe how to configure automatic image signature import #5485

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mburke5678 merged 1 commit into from
Nov 15, 2017
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Describe how to configure automatic image signature import #5485

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22 changes: 22 additions & 0 deletions admin_guide/image_signatures.adoc
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Expand Up @@ -247,3 +247,25 @@ the `<name>` is the name of the signature. The signature name must be 32
characters long. The `<cryptographic_signature>` must follow the specification
documented in the
link:https://github.com/containers/image/blob/master/docs/atomic-signature.md#the-cryptographic-signature[containers/image] library.

[[importing-signatures-from-sigstore]]
=== Importing Image Signatures Automatically from Signature Stores

{{product-title}} can automatically import image signatures if an signature
store is configured on all {{product-title}} master nodes. The configuration is
located in `/etc/containers/registries.d` directory. For more details about the
configuration format visit
link:https://github.com/containers/image/blob/master/docs/registries.d.md[containers/image]
library documentation.

A sample configuration that will cause image signatures to be imported
automatically for all Red Hat images:

----
docker:
registry.access.redhat.com:
sigstore: https://access.redhat.com/webassets/docker/content/sigstore
----

Note that all signatures imported automatically by {{product-title}} will be
"unverified" by default and will have to be verified by image administrators.
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@thomasmckay thomasmckay Oct 4, 2017 •
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Instructions for verification command and link to signature docs would be appreciated (just link to previous paragraph?).