return null; // unexpected authentication type
}
@Override
public StandardCertificateCredentials toCredentials(String description) {
return new CertificateCredentialsImpl(CredentialsScope.GLOBAL, null, description,
Scrambler.descramble(Secret.toString(password)),
new CertificateCredentialsImpl.UploadedKeyStoreSource(certificate.getEncryptedValue()));
}