Jose\Factory\JWKFactory::getOpensslName PHP Method

    private static function getOpensslName($curve)
    {
        switch ($curve) {
            case 'P-256':
                return 'prime256v1';
            case 'P-384':
                return 'secp384r1';
            case 'P-521':
                return 'secp521r1';
            default:
                throw new \InvalidArgumentException(sprintf('The curve "%s" is not supported.', $curve));
        }
    }