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   多签名 在 计算机软件及计算机应用 分类中 的翻译结果: 查询用时:0.545秒
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相关语句
  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
    Research on Multi-Signature Watermarking Algorithm for Color Image
    彩色图像多签名水印算法的研究
短句来源
    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.
    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 ;
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
  “多签名”译为未确定词的双语例句
    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.
    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 .
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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 .

In ordinary proxy signature schemes,everyone can verify the validity of proxy signature.While in a designated-receiver signature scheme,to avoid the misuse of proxy signatures,an original signer nominates a person as the signature receiver.As a result,only the person nominated can verify and accept the signature after the proxy signer generating a valid proxy signature on behalf of the original signer.In this paper,we show the designated-receiver proxy signature scheme in Dai et al.is insecure against the original...

In ordinary proxy signature schemes,everyone can verify the validity of proxy signature.While in a designated-receiver signature scheme,to avoid the misuse of proxy signatures,an original signer nominates a person as the signature receiver.As a result,only the person nominated can verify and accept the signature after the proxy signer generating a valid proxy signature on behalf of the original signer.In this paper,we show the designated-receiver proxy signature scheme in Dai et al.is insecure against the original signer's forgery.That is,their scheme does not satisfy the unforgeability property,which is a desired security requirement of a proxy signature scheme.In addition,we present a modified designated-receiver proxy signature scheme with unforgeability,which will efficiently prevent an original signer from malicious attacks.Then we extend the proposed idea into proxy multi-signature scheme.

在通常的代理签名方案中,任何人都可以验证代理签名的有效性。在定向代理签名方案中,由原始签名人指定一个人作为签名的接收者,以此来防止签名的滥用。当代理签名人产生签名后,只有指定的接收者可以对签名进行验证,进而接受签名。分析了Dai等定向代理签名方案,它不满足不可伪造性,即原始签名人可以成功伪造代理签名人的代理签名。为此,提出了改进的定向代理签名方案,该方案具有不可伪造性,从而有效地防止原始签名人对代理签名人进行恶意攻击,并将其推广到代理多签名方案中。

 
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