var err error
	if cfg != nil {
		certs := []string{}
		endpoints := []string{}
		for _, pemCert := range cfg.GetCaCertificates() {
			cert := pemCert.GetPem()
			if cert != "" {
				certs = append(certs, cert)
			} else if pemCert.GetSpiffeBundleUrl() != "" {
				endpoints = append(endpoints, pemCert.GetSpiffeBundleUrl())
			}
		}

		err = tb.UpdateTrustAnchor(&TrustAnchorUpdate{

`

var ecdsaTests = []struct {
	sigAlgo SignatureAlgorithm
	pemCert string
}{
	{ECDSAWithSHA256, ecdsaSHA256p256CertPem},
	{ECDSAWithSHA256, ecdsaSHA256p384CertPem},
	{ECDSAWithSHA384, ecdsaSHA384p521CertPem},
}

func TestECDSA(t *testing.T) {
	for i, test := range ecdsaTests {
		pemBlock, _ := pem.Decode([]byte(test.pemCert))
		cert, err := ParseCertificate(pemBlock.Bytes)
		if err != nil {