/**
* @param OutputInterface $output
* @param PrivateKeyInterface $key
*/
public static function dumpPrivateKey(OutputInterface $output, PrivateKeyInterface $key)
{
$output->writeln('<comment>Private key information</comment>');
$output->writeln('');
$output->writeln('<info>Curve type</info> : ' . $key->getCurve()->getName());
$output->writeln('<info>Secret</info> : ' . $key->getSecret());
}