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多代理多签名
相关语句
  multi-proxy multi-signature
     New Proxy Multi-Signature, Multi-Proxy Signature and Multi-Proxy Multi-Signature Schemes from Bilinear Pairings
     来自双线性配对的新的代理多签名、多代理签名和多代理多签名体制
短句来源
     The third type is called multi-proxy multi-signature scheme because in this scheme multiple original signers delegate their signing capability to a group of proxy signers.
     第三类称为多代理多签名体制 ,因为在此体制中 ,多个原始签名人把他们的签名权利委托给一组代理签名人 .
短句来源
     Furthermore,on the base of the above scheme,a multi-level multi-proxy multi-signature scheme is proposed.
     另外,该文还在上述方案的基础上,提出了多级多代理多签名方案。
短句来源
  相似匹配句对
     A New Proxy Multi-Signature Scheme
     新的代理签名体制
短句来源
     PROXY MULTI SIGNATURE
     代理签名
短句来源
     Proxy undeniable signatures
     代理不可否认签名
短句来源
     Cryptanalysis of a proxy multi-signature scheme
     一种代理签名体制的安全性分析
短句来源
     Co-evolutionary Multi-agent System
     协同进化代理系统
短句来源
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  multi-proxy multi-signature
A new threshold multi-proxy multi-signature scheme
      
and Comput., vol.169, No.2, 2005] showed that Tzeng, et al.'s nonrepudiable threshold multi-proxy multi-signature scheme with shared verification was insecure, and proposed an improved scheme with no Share Distribution Center (SDC).
      


This paper proposes three new types of proxy signature schemes that deal with multiple signers from bilinear pairings. The first type is called a proxy multi-signature scheme and it allows a group of original signers to authorize a proxy signer on behalf of the original signer group. The second type called a multi-proxy signature scheme, means an original signer can authorize a group of proxy signers to sign on behalf of him/her. The third type is called multi-proxy multi-signature scheme because in this scheme...

This paper proposes three new types of proxy signature schemes that deal with multiple signers from bilinear pairings. The first type is called a proxy multi-signature scheme and it allows a group of original signers to authorize a proxy signer on behalf of the original signer group. The second type called a multi-proxy signature scheme, means an original signer can authorize a group of proxy signers to sign on behalf of him/her. The third type is called multi-proxy multi-signature scheme because in this scheme multiple original signers delegate their signing capability to a group of proxy signers. As preparation, authors present the multisignature based on Hess's ID-based signature scheme which the latter two types of proxy signature schemes will use. This is the first identity-based multisignature scheme from bilinear pairings. The most important point about the new schemes is that the sizes of the proxy signatures in all these three types are independent of the number of original signers or proxy signers. The verification of them is similar to that of ordinary proxy signatures.

作者提出三类新的来自双线性配对的涉及多个签名人的代理签名体制 .第一类称为代理多签名体制 ,它允许一组原始签名人授权给一个代理签名人来代表他们 ;第二类称为多代理签名体制 ,意思是一个原始签名人可以授权给一组代理签名人来代表他 (她 ) ;第三类称为多代理多签名体制 ,因为在此体制中 ,多个原始签名人把他们的签名权利委托给一组代理签名人 .作为准备 ,作者提出了基于Hess的基于身份签名体制的多签名体制 ,这是第一个来自双线性配对的基于身份的多签名体制 ,后两类代理签名体制将用到它 .关于作者提出的新体制 ,最重要的一点是在这三类体制中 ,代理签名的长度均独立于原始签名人或代理签名人的个数 .它们的验证也与一般的代理签名类似 .

An original signer may authorize a proxy signer who can sign a message on behalf of the original signer in the known schemes while the proxy signer can't continue to authorize the others.In some cases,the proxy signer needs to do it.So a multi-level proxy signature scheme based on ECC is proposed.In this scheme,the first-level proxy signer not only can be authorized by the original signer but also can continue to authorize others under the agreement.The new scheme can simply carry out and has more security.It's...

An original signer may authorize a proxy signer who can sign a message on behalf of the original signer in the known schemes while the proxy signer can't continue to authorize the others.In some cases,the proxy signer needs to do it.So a multi-level proxy signature scheme based on ECC is proposed.In this scheme,the first-level proxy signer not only can be authorized by the original signer but also can continue to authorize others under the agreement.The new scheme can simply carry out and has more security.It's the first kind of multi-level proxy signature scheme so far.Furthermore,on the base of the above scheme,a multi-level multi-proxy multi-signature scheme is proposed.It can be used in more fields and some known proxy signature schemes can be regarded as the cases of it.It also has the properties of efficiency,non-repudiation and security.

在已知的各种代理签名方案中,原始签名人和代理签名人只能进行一级代理。但在有些情形下,签名权利需要逐级向下代理,而已知的方案不能满足这种需要。本文基于椭圆曲线提出了一种多级代理签名方案。在该方案中,原始签名人不仅可授权1级代理签名人对消息进行签名,而且1级代理签名人可在许可范围内继续逐级授权。新方案具有实现简单且安全性高等特点,而且也是迄今为止第一类多级代理签名方案。另外,该文还在上述方案的基础上,提出了多级多代理多签名方案。它的适用范围更加广泛,已知的一些代理签名方案可看作它的特例。同时,它也满足有效性、不可否认性、安全性等性质。

Ji proposed three new types of proxy signature schemes that deal with multiple signers from bilinear pairings.The first type is called a proxy multi-signature scheme,the second type is called a multi-proxy signature scheme,and the third type is called multi-proxy multi-signature scheme.But the three proxy signatures are all insecure.Forgery attacks are presented on the proxy signatures.Using the forgery attacks,anyone of original signers or proxy signers can produce a valid proxy signature.

纪家慧等人利用双线性配对提出了三类代理签名体制:代理多签名、多代理签名和多代理多签名,但这三类代理签名方案都是不安全的。分析说明了这三类代理签名存在伪造攻击,任何一个原始签名人或代理签名人都可以伪造合法的代理签名。

 
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