Group signature is an important type of signature.
群签名是一种重要的签名。
So it is very important to design secure, efficient and flexible group signature schemes.
因此设计安全、高效、灵活的群签名方案具有重要的现实意义。
This paper utilizes a group signature scheme to propose a secure scheme of bidding and tendering on Internet with revocation of bidder.
利用群签名体制给出一个可撤消投标者的安全的网上招投标方案。
Group signature technology from bilinear pairings can be applied in constructing electronic cash.
基于双线性对的群签名技术可用于构造电子货币。
However, the security, efficiency or flexibility of most group signature schemes proposed at present, are not very ideal.
然而目前已提出的大多数群签名方案的安全性、效率或灵活性仍不够理想。
Threshold group signature is an important kind of signatures, but all of the existing threshold group schemes have weaknesses.
门限群签名是一类重要的数字签名，但现有的门限群签名方案几乎都有缺点。
Then, commonness of these schemes is analysed, an improved coalition resistant group signature scheme is put forward.
分析了这些方案的共性及受攻击原理，最后给出了一个安全的群签名方案。
Design and cryptanalysis on group signature is always the hotspot in the field of cryptography.
对群签名的设计与分析始终是密码学领域的一大热点。
This paper presents a blind group signature scheme based on XTR public key system, and analyzes its security and efficiency.
本论文提出了一种基于XTR公钥体制的盲群签名方案并分析了其安全性和效率。
Construct an efficient and secure solution scheme of member deletion problem in group signature.
构造了群签名中高效安全的群成员删除问题的解决方案。
This paper introduces a group signature scheme with distinguished authorities.
文章介绍了一种具有不同的授权组签名方案。
A new group signature scheme based on the discrete logarithm problem is presented. The scheme is more efficient than the previously known schemes with the same security properties.
文中提出了一个新的群签名方案，该方案的安全性基于离散对数困难问题，其运行效率比已有的同类方案高。
Simultaneously, using the knowledge of number theory, it can guarantee the anonymity of the authorized group signature.
同时，利用数论中的有关知识，可以保证授权群签名的“匿名”性．。
We propose a new efficient group signature scheme based on Strong RSA assumption.
基于强rsa假设，本文提出了一种高效的群签名方案。
A formal concept of dynamic group signature is given. Then we discuss the requirements of security and the principles of estimating efficiency.
给出了动态群签名的正式定义，并讨论了它需要满足的安全性要求和其有效性的评价准则。
A secure electronic voting scheme based on anonymous communication channel is proposed by using group signature protocol and timed commitment protocol.
利用群签名协议和时限承诺协议，本文给出了一种新的基于匿名通讯信道的安全电子投票方案。
We point out the redundancy of a dynamic threshold group signature scheme and demonstrate three attacks on it.
指出一种动态门限群签名方案有冗余，提出了针对该签名三种攻击。
A new fair electronic cash scheme based on the idea of marking is proposed to prevent blackmailing which is based on the group signature technology of bilinear pairings over elliptic curves.
利用椭圆曲线上双线性对的群签名技术，提出一种新的基于标记思想的阻止勒索犯罪的公平电子货币方案。
In this paper, an improvement of ACJT group signature scheme and its member revocation is made by improving the efficiency remarkably while not reducing the security.
文章对ACJT群签名及其成员撤消方案进行了一些改进，提出了一个新的方案，在保证不影响其安全性的前提下使其效率得到显著提高。
Blind group signature scheme is group signature scheme with the characteristic of blind signature, which is widely applied in electronic commerce and electronic government.
盲群签名方案是具有盲签名特点的群签名方案，在电子商务和电子政务中都有重要的应用。
Based on the discrete logarithm, this paper proposes a group signature schemes.
基于离散对数给出了一种组签字方案。
Group signature schemes allow a group member to anonymously sign on group's behalf.
群签名允许群成员以匿名的方式代表整个群体对消息进行签名。
The signature process included four phases: system initialization, individual signature generation, group signature generation and signature verification.
签名过程分为四个阶段：系统初始化、生成个体签名、生成群签名以及签名验证。
Based on the group signature scheme with undistinguished signing authorities, this paper introduces a group signature scheme with distinguished signing authorities.
本文基于具有相同授权的组签名方案，介绍了一种具有不同签名授权的组签名方案。
The algorithm of group signature and group authentication is presented out.
给出了集团签署与集团认证算法。
A dynamic threshold group signature scheme is proposed in this paper.
提出了一个动态门限群签名方案。
For providing anonymity and traceability (which means signatures can be opened in dispute cases) at the same time, the efficiencies of group signature schemes are usually lower.
为使群签名同时具有匿名性与可追踪性(发生争议时可打开)，群签名的执行效率往往比较低下。
Though providing both anonymity and traceability(which means signatures can be opened in dispute cases), most group signature schemes achieve these features at the cost of performing efficiency.
为使群签名同时具有匿名性与可追踪性（发生争议时可打开），群签名的执行效率往往比较低下。
Considering RSA is one of the most popular public key cryptogram algirithms, a new group signature scheme completely based on RSA is proposed.
考虑到RSA是应用最广泛的公钥密码体制之一，首次基于RSA设计出一种群签名方案。
This paper presented some research results in group signature schemes and their applications in e-commerce.
本文对群签名体制及其在电子商务中的应用进行了研究。
应用推荐