if trustDomain == "" {
		for _, uri := range cert.URIs {
			if uri.Scheme == "spiffe" {
				trustDomain = uri.Host
			}
		}
	}

	today := time.Now()
	return SecretMeta{
		SerialNumber: fmt.Sprintf("%x", cert.SerialNumber),
		NotAfter:     cert.NotAfter.Format(time.RFC3339),
		NotBefore:    cert.NotBefore.Format(time.RFC3339),
		Type:         certType,

		if !hasUnknownTrustDomain {
			fmt.Fprintf(tw, "%s\t%s\t%s\t%t\t%s\t%s\t%s\t%s\n",
				s.Name, s.Type, s.State, s.Valid, s.SerialNumber, s.NotAfter, s.NotBefore, s.SecretMeta.TrustDomain)
		} else {
			fmt.Fprintf(tw, "%s\t%s\t%s\t%t\t%s\t%s\t%s\n",
				s.Name, s.Type, s.State, s.Valid, s.SerialNumber, s.NotAfter, s.NotBefore)
		}
	}
	return tw.Flush()
}

type CertsDump struct {
	Identity  string  `json:"identity"`
	State     string  `json:"state"`
	CertChain []*Cert `json:"certChain"`
}

type Cert struct {
	Pem            string `json:"pem"`
	SerialNumber   string `json:"serialNumber"`
	ValidFrom      string `json:"validFrom"`
	ExpirationTime string `json:"expirationTime"`
}

type WorkloadState struct {
	State       string              `json:"state,omitempty"`

	notAfter := notBefore.Add(validFor)

	serialNumberLimit := new(big.Int).Lsh(big.NewInt(1), 128)
	serialNumber, err := crand.Int(crand.Reader, serialNumberLimit)
	if err != nil {
		return nil, nil, fmt.Errorf("failed to generate serial number: %w", err)
	}

	template := x509.Certificate{
		SerialNumber: serialNumber,
		Subject: pkix.Name{
			Organization: []string{"Acme Co"},
		},
		NotBefore: notBefore,