1·The computerized, picture based, steganography alleged in the FBI criminal complaint dates back to the 1990s, Malkin said. But back then, it was only a theory.
联邦调查局的刑事起诉中所称的经过计算机处理的图片式隐写术可以追溯到1990年代,只不过那时还只是一个理论而已。
2·Digital image steganography does have some drawbacks, though.
但是,数码图像隐写术仍然有一定缺点。
3·Steganography is a new technology in the field of information security.
隐写术是信息安全领域一门新兴的技术。
4·The goal of steganography is to avoid drawing suspicion to the transmission of a hidden message.
隐写术的目的是为了避免怀疑一个隐藏的消息的发送。