Digital signature has been playing a very important role in the fields of information security, identity authentication, data integrity, nonrepudiation and anonymity, etc.
数字签名已经在信息安全、身份认证、数据完整性、不可否认性以及匿名性等方面发挥了重要作用。
Applications of watermarking include not only copyright protection, but also document authentication, covert communications and data embedding, etc.
数字水印技术的应用除了版权保护，还包括内容认证、隐蔽通信和数据嵌入等等很多方面。
The security problems of information systems include identity authentication service, access control service, data secrecy service, data integrality service, non-negation service, etc.
信息系统中的安全性问题主要包含身份认证服务、访问控制服务、数据保密服务、数据完整牲服务和不可否认服务等几个方面。
The security request of security multicast is different, including identity authentication, data authentication, data integrality, key updating etc.
安全多播系统对安全的需求比较复杂，包括身份认证、数据认证、数据完整性、密钥更新等多方面需求。
Finally, some initial works of identity authentication based on mouse trajectories are explored, including the construction of dynamic model, system architecture, data acquisition and analysis, etc.
最后，论文对基于鼠标轨迹的身份鉴别方法进行了初步探讨，在建立动态模型、系统设计、数据采集与分析等方面做了一些初步工作。
Digital watermarking techniques can be used for purposes such as label, authentication, control and dada hiding etc, by embedding a secret imperceptible signal directly into the data to be protected.
数字水印技术通过向被保护的多媒体数据中加入透明的秘密信息，来达到标识、鉴别、控制或隐藏信息等作用。
Digital watermarking techniques can be used for purposes such as label, authentication, control and dada hiding etc, by embedding a secret imperceptible signal directly into the data to be protected.
数字水印技术通过向被保护的多媒体数据中加入透明的秘密信息，来达到标识、鉴别、控制或隐藏信息等作用。
应用推荐