13.5. quay と cosign の使用

go install github.com/sigstore/cosign/cmd/cosign@v1.0.0

$ go install github.com/sigstore/cosign/cmd/cosign@v1.0.0
go: downloading github.com/sigstore/cosign v1.0.0
go: downloading github.com/peterbourgon/ff/v3 v3.1.0
...

cosign generate-key-pair

$ cosign generate-key-pair
Enter password for private key:
Enter again:
Private key written to cosign.key
Public key written to cosign.pub

cosign sign -key cosign.key quay-server.example.com/user1/busybox:test

$ cosign sign -key cosign.key quay-server.example.com/user1/busybox:test
Enter password for private key:
Pushing signature to: quay-server.example.com/user1/busybox:sha256-ff13b8f6f289b92ec2913fa57c5dd0a874c3a7f8f149aabee50e3d01546473e3.sig

error: signing quay-server.example.com/user1/busybox:test: getting remote image: GET https://quay-server.example.com/v2/user1/busybox/manifests/test: UNAUTHORIZED: access to the requested resource is not authorized; map[]

error: signing quay-server.example.com/user1/busybox:test: getting remote image: GET https://quay-server.example.com/v2/user1/busybox/manifests/test: UNAUTHORIZED: access to the requested resource is not authorized; map[]

podman login --authfile ~/.docker/config.json quay-server.example.com

$ podman login --authfile ~/.docker/config.json quay-server.example.com
Username:
Password:
Login Succeeded!

cat ~/.docker/config.json
{
	"auths": {
		"quay-server.example.com": {
			"auth": "cXVheWFkbWluOnBhc3N3b3Jk"
		}
	}

$ cat ~/.docker/config.json
{
	"auths": {
		"quay-server.example.com": {
			"auth": "cXVheWFkbWluOnBhc3N3b3Jk"
		}
	}