ParagonIE_Sodium_Compat::crypto_aead_aes256gcm_is_available(): bool

553    public static function crypto_aead_aes256gcm_is_available()554    {555        if (self::useNewSodiumAPI()) {556            return sodium_crypto_aead_aes256gcm_is_available();557        }558        if (self::use_fallback('crypto_aead_aes256gcm_is_available')) {559            return call_user_func('\\Sodium\\crypto_aead_aes256gcm_is_available');560        }561        if (PHP_VERSION_ID < 70100) {562            // OpenSSL doesn't support AEAD before 7.1.0563            return false;564        }565        if (!extension_loaded('openssl')) {566            return false;567        }568        if (!is_callable('openssl_encrypt') || !is_callable('openssl_decrypt')) {569            // OpenSSL isn't installed570            return false;571        }572        return (bool) in_array('aes-256-gcm', openssl_get_cipher_methods());573    }