【摘要】 近几年来,隐写术领域已经成为了信息安全的焦点。因为每个Web站点都依赖多媒体,如音频、视频和图像。隐写术这项技术可以将秘密信息嵌入到数字媒介中而不损坏它的载体的质量。第三方既觉察不到秘密信息的存在,也不知道存在秘密信息。因此密钥、数字签名和私密信息都可以在开放的环境(如Internet,或者内联网)中安全的传送。主要介绍隐写术的基本原理以及各方面的应用。更多还原

【Abstract】 In recent years,steganog raphy has become the focus of information security.Every Web site depends on multimedia,such as audio,video and image.Steganography technology can embed secret information into a digital media source without impairing the perceptual quality of that source.The third party can’t discover this secret information.So secret key,signature or private data can be transmitted safely in open system,such as Internet or intranet.The basic theory of steganography is introduced,and the application of steganography is provided.更多还原