为此，人们考虑在数字化产品隐藏一些信息标识其作品身份，进行版权保护。 数字水印技术就是在这种情况下应运而生，且被认为是解决这一问题的有力工具。
To solve these kinds of problems, some people believe that it is useful to hide some information called watermark into the digital products for the purpose of copyright protection.
最后介绍了加密技术在信息加密保护、身份识别、信息完整性和数字签名中的应用。
The last part introduces the application of encryption protection, (identity) identification, information integrality and figure signature.
就信息资源保护的需求现状，分析了当前网络信息安全通常采用的技术以及身份验证技术现状。
Based on the demand status of the information resource, analyses the network information security technique and the current status of authentication system.
常采用的数据保护技术有用户身份鉴别、计算机数据加密技术、数字签名技术等。
User ID authentication, data encryption and digital signature are the three common technologies for data protection.
密码技术是解决信息网络安全的关键技术，信息网络安全中的身份认证，传输和存储信息的加密保护、信息完整性和不可否认性等，都需要运用密码技术来解决。
It is the identification? The encryption protection of transmission and storage? Integrality and undeniability in information network security that need to use password technology to be solved.
身份认证技术是能够对信息收发方进行真实身份鉴别的技术，是保护网络信息资源安全的第一道大门。
The identity authentication technology that can authenticate the identity of the sender and the receiver is very important in the security system.
同时，在可信计算技术中，终端计算机是通过用户身份认证来实现安全的远程访问，用户在实现远程认证的同时也要求保护自己的隐私不被泄漏。
Remote attestation which the users are used to identify themselves to connect remote communication is required in the trusted computing. As well as the users require to protect their privacy.
同时，在可信计算技术中，终端计算机是通过用户身份认证来实现安全的远程访问，用户在实现远程认证的同时也要求保护自己的隐私不被泄漏。
Remote attestation which the users are used to identify themselves to connect remote communication is required in the trusted computing. As well as the users require to protect their privacy.
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