t->ret = para_decrypt_buffer(pcd->key_file, rc4_buf,
(unsigned char *)pcd->buf + PROCEED_MSG_LEN + 1,
bytes_received - PROCEED_MSG_LEN - 1);
t->ret = para_decrypt_buffer(pcd->key_file, rc4_buf,
(unsigned char *)pcd->buf + PROCEED_MSG_LEN + 1,
bytes_received - PROCEED_MSG_LEN - 1);