 +#if (OPENSSL_VERSION_NUMBER >= 0x00000000L) +    pem_password_cb* callback = ::SSL_CTX_get_default_passwd_cb(handle_); +    void* cb_userdata = ::SSL_CTX_get_default_passwd_cb_userdata(handle_); +#else // (OPENSSL_VERSION_NUMBER >= 0x00000000L) +    pem_password_cb* callback = handle_->default_passwd_callback; +    void* cb_userdata = handle_->default_passwd_callback_userdata; +#endif // (OPENSSL_VERSION_NUMBER >= 0x00000000L)      