引入不可否认签名的概念和模型，说明其存在的应用。
We introduce the notion and model of undeniable signature and show its applications available.
本文用双线性对和零知识证明协议，构造了一种新的无证书不可否认签名方案。
In this paper, we construct a new certificate less undeniable signature by using bilinear pairings and zero-knowledge proof protocol.
本文用双线性对和零知识证明协议，构造了一种新的无证书不可否认签名方案。
In this paper, we construct a new certificateless undeniable signature by using bilinear pairings and zero-knowledge proof protocol.
例如，在一个健全的电子付款系统中就可能同时需要用到盲签名、不可否认签名以及多人签名技术。
For example, in a robust electronic payment system, blind signature, undeniable signature, and multi-signature should be all indispensable.
由于发送方的私钥用于签名(确保完整性和不可否认性)，因此我们需要更改我们对安全组件使用PKI的方式。
Because the sender's private key is used for signing (integrity and non-repudiation), we don't have to change the way we use PKI for that component of the security.
例如，WS - SecurityPolicy可能要求客户机对发送到服务器的请求消息进行签名，这为服务提供不可否认性。
For instance, a WS-SecurityPolicy may require the client to sign request messages sent to the server, providing nonrepudiation for the service.
改进的方案具有不可否认性，以及抵抗原签名人的伪造攻击和公钥替换攻击等优点。
Improved scheme has advantages of nonrepudiation, against he original signer's forgery attack and public key substitution attack etc.
对张劼等人提出的一类可验证的门限签名方案进行了安全性分析，发现它存在安全漏洞，容易受到合谋攻击和伪造攻击，并且不具备不可否认性。
Through the cryptanalysis of a verifiable threshold signature scheme presented by Zhang and Wen, concluded it not only exist collusion attack and forgery attack, but have no undeniability.
然后，利用改进的加密方案，结合RS A签名算法，设计了一个双方不可否认的小公钥rsa加密协议。
Then to combine the RSA digital signature algorithm, we design an undeniable RSA encryption protocol with small public key for both sides.
正由于此，数字签名作为一种具有消息完整性认证、可鉴别性、不可否认性和具有加密功能的技术应运而生。
Positively because of this, the digital signature is used as a kind of technique having function of the new integrity authentication, identification, non-repudiation and encryption.
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。
Digital signature has been playing a very important role in the fields of information security, identity authentication, data integrity, nonrepudiation and anonymity, etc.
该信息加密系统通过证实数字签名算法来实现系统的不可否认性。
This system has the attribute of non-repudiation of the sender by using the improved confirmer signature.
签名计划可以用来验证身份的真实性、文档的完全性和不可否认性，是信息安全研讨的主要内容。
The signature scheme can verify the authenticity, integrity and undeniableness of a document, and signature scheme is the important content that information security studies.
新方案保持了不可否认数字签名方案的一般特点，并具有前向安全性。
The new scheme not only keeps the general feature of undeniable signature scheme, but also has the feature of forward secure.
它能够提供访问控制、保密性、完整性、可用性和不可否认性五种安全服务，提高了安全级别，实现了数字签名的可视化和自动识读。
It improves security and realizes the visualization and robotization of digital signatures. It also offers five services: access control, confidentiality, integrality, usability, and non-repudiation.
它能够提供访问控制、保密性、完整性、可用性和不可否认性五种安全服务，提高了安全级别，实现了数字签名的可视化和自动识读。
It improves security and realizes the visualization and robotization of digital signatures. It also offers five services: access control, confidentiality, integrality, usability, and non-repudiation.
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