public static function generateKeyPair()
{
$secureRandom = self::getSecureRandom();
$private = curve25519_private($secureRandom);
$public = curve25519_public($private);
return new ECKeyPair(new DjbECPublicKey($public), new DjbECPrivateKey($private));
}
/**
* {@inheritdoc}
*/
public static function createOKPKey(array $values)
{
Assertion::keyExists($values, 'crv', 'The curve is not set.');
$curve = $values['crv'];
switch ($curve) {
case 'X25519':
Assertion::true(function_exists('curve25519_public'), sprintf('Unsupported "%s" curve', $curve));
$d = random_bytes(32);
$x = curve25519_public($d);
break;
case 'Ed25519':
Assertion::true(function_exists('ed25519_publickey'), sprintf('Unsupported "%s" curve', $curve));
$d = random_bytes(32);
$x = ed25519_publickey($d);
break;
default:
throw new \InvalidArgumentException(sprintf('Unsupported "%s" curve', $curve));
}
$values = array_merge($values, ['kty' => 'OKP', 'crv' => $curve, 'x' => Base64Url::encode($x), 'd' => Base64Url::encode($d)]);
return new JWK($values);
}