/**
* Initialize from a PublicKey object.
*
* @param PublicKey $pub_key Public key
* @throws \UnexpectedValueException
* @return self
*/
public static function fromPublicKey(PublicKey $pub_key)
{
if ($pub_key instanceof RSAPublicKey) {
return RSAPublicKeyJWK::fromRSAPublicKey($pub_key);
}
if ($pub_key instanceof ECPublicKey) {
return ECPublicKeyJWK::fromECPublicKey($pub_key);
}
throw new \UnexpectedValueException("Unsupported public key.");
}
