Then a misunderstanding about the use of zero-knowledge ( ZK) proof in the DL-Key-Gen scheme proposed by R. Canetti etc.

Blind signatures based on non-interactive zero-knowledge proof can protect privacy better, but it is still lack of efficient and secure schemes which can be realized. Using the optimal SP signature scheme, we construct an efficient and secure SP blind signature scheme.

基于非交互式零知识证明的盲签名方案能够更好地保护签名的隐私性，但目前仍缺少高效安全的可实现方案，论文利用优化的SP签名方案，构建了一个高效安全的SP盲签名方案。

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For information protection system, based on Harn's digital signature scheme and zero knowledge proof, this paper presents a double way authentication access control scheme.

针对信息保护系统，该文基于Harn数字签名方案和零知识证明构造了一种双向认证访问控制方案。

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A new forward-secure proxy signature scheme is proposed. The scheme is proven to be forward secure based on the assumption of the logarithm, quadric remain problems in the random oracle model, Further more, security analysis of the proposed scheme is presented.

该文提出了一种前向安全的代理签名方案，该方案基于零知识证明协议，在离散对数和二次剩余问题困难性的假设和随机oracle模型下系统是安全的。

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Finally, A new threshold and confirmer signature scheme for group or organization is proposed by using the multiplicative secret sharing and RSA public key cryptosystem, whose confirming and denying protocols are constructed by using the idea of zero-knowledge proof.

提出适合于团体和组织的门限证实数字签名方案。新方案以乘法秘密共享和RSA加密算法为基础，采用一次性零知识证明思想构建签名的证实协议和否认协议。

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A non-interactive and information-theoretic PVSS scheme based on public cryptography and the zero-knowledge proof of knowledge were presented.

提出了一个基于公钥密码和零知识证明的，非交互式的，信息论安全的PVSS方案。

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A secure authentication access control scheme based on digital signature is proposed, combining Harn digital signature scheme and the thought of zero-knowledge proof.

利用Harn数字签名方案，结合零知识证明的思想，提出了一种基于数字签名方案的安全认证存取控制方案。

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It uses identity to create the watermarks, which are embedded into the opaque predicates after they are encoded. The Java program is obfuscated by taking the opaque predicates with the watermarks as the threads of the Java program, and the watermark is verified by zero-knowledge proof.

该方案把用身份标识产生的数字水印信息编码后嵌入到混淆的勒让德符号构造的不透明谓词中，将有水印的不透明谓词作为Java程序的线程来混淆Java程序，用零知识证明验证水印信息。

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In this thesis, through the use of some basic cryptography tools ( digital signature, Hash function, secret sharing and zero-knowledge proof, and so on), the systemic research and design of secure electronic auction is carried out.

本文主要通过使用密码学中一些基本常用工具（数字签名、Hash函数、秘密共享和零知识证明等）对安全电子拍卖进行系统的研究和设计。

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Based on the ideas of undeniable digital signature and confirmer digital signature, a new zero-knowledge proof scheme of possessing a DSA digital signature is proposed which can be used to prevent the arbitrary distribution of digital signature.

基于不可否认签名和可证实签名的思想，提出了一种拥有DSA数字签名的零知识证明新方案。

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In the scheme the prover has not to give directly the DSA signature of a message, but to give a zero-knowledge proof of possessing a DSA digital signature of the message.

该方案给出了防止DSA数字签名任意传播的一种新方法&签名者不直接提供对信息M的签名，而是提供拥有该信息的数字签名的一个零知识证明。

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At the same time, same security level as RSA has can be achieved by ellipse curve-based zero knowledge proof with the key much shorter in length than that of RSA.

同时基于椭圆曲线上的零知识证明可以用比RSA短得多的密钥，达到与RSA同等级别的安全性。

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Now there have been some cryptography protocol designed in UC framework and proved its security: such as encryption, digital signatures, zero-knowledge proof.

现在已有一些密码学协议基于UC框架进行设计，并证明其安全性：如加密、数字签名、零知识证明等。

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The dissertation constructs zero-knowledge proof and Brands' restrictive blind signature based on elliptic curve cryptosystem, and then applies these schems to electronic payment system based on elliptic curve cryptosystem.

本文构造了基于椭圆曲线加密体制的零知识证明和Brands限制性盲签名方案，应用于本文构造的基于椭圆曲线加密体制的电子支付系统。

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Improvement of A Zero Knowledge Password Authentication Based on Ellipse Curve on Kerberos System

基于椭圆曲线的零知识证明方法对Kerberos系统的改进

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Improving Solution to Zero-knowledge Proving of Decoding RSA Capability

破译RSA能力的零知识证明的改进方案

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XML Digital Signature Scheme Based on Zero Knowledge Proof

基于零知识证明的XML数字签名方案

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Zero-knowledge proof schemes of possessing a RSA digital signature are proposed.

提出了一种拥有RSA数字签名的零知识证明方案。

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A Zero-Knowledge Proof Scheme of Possessing a DSA Digital Signature

DSA数字签名的零知识证明

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It is proposed to apply the theory of private homomorphism to encrypt the database important or sensitive information, thus realizing direct operation of encrypted message.

提出了把秘密同态理论应用于加密数据库中重要或敏感的信息，从而可以实现直接对数据库密文进行操作的方法。

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Based on the combination of a public-key cryptosystem of the homomorphic encryption and on the theoretic construction relying on the F-hiding assumption, a protocol for comparing information of equality is proposed. The protocol needs only a single round of interaction and ensures fairness, efficiency and security.

基于F-隐藏假设以及同态公钥加密体制的语义安全性假设，给出了一个特殊的安全双方计算协议枣无信息泄漏的比较相等协议。

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