matches := []madmin.KMSKeyInfo{}
	if req.Prefix == "" {
		req.Prefix = "*"
	}
	for _, keyName := range s.KeyNames {
		if wildcard.MatchAsPatternPrefix(req.Prefix, keyName) {
			matches = append(matches, madmin.KMSKeyInfo{Name: keyName, CreatedAt: StubCreatedAt, CreatedBy: StubCreatedBy})
		}
	}

	return matches, "", nil
}

// CreateKey creates a new key with the given name.

	respElements["x-minio-deployment-id"] = globalDeploymentID()
	if args.RespElements["content-length"] != "" {
		respElements["content-length"] = args.RespElements["content-length"]
	}

	keyName := args.Object.Name
	if escape {
		keyName = url.QueryEscape(args.Object.Name)
	}

	newEvent := event.Event{
		EventVersion:      "2.0",
		EventSource:       "minio:s3",
		AwsRegion:         args.ReqParams["region"],