在代理签名方案中，原始签名人能将其数字签名权力委托给代理签名人。
With proxy signature, an original signer can entrust his signing authority to a proxy signer.
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；
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.
提出的方案能够防止原始签名人生成一个有效的代理环签名，从而保护了代理签名人的权益。
Furthermore, the proposed scheme can prevent the original signer from generating a valid proxy ring signature, thus the profits of the proxy signer are guaranteed.
提出了一种新的混合代理多签名方案，它是由一些原始签名人的部分签名和代理签名人的签名的随意组合。
Introduced a new hybrid proxy multi-signature, it actually was an arbitrary combination of some ordinary signers' partial signatures and the proxy signer's proxy signature.
此外，该方案不仅满足代理签名的基本性质，还避免了代理权滥用、原始签名人伪造和公钥替换攻击。
Besides having the basic properties of the proxy signature, the new scheme prevents proxy misuse, original signer's forgery and public key substitution attack.
签名人兹认可和确认上述代理人迄今和今后代表签名人或用签名人的账户在FXCH进行的任何和所有交易。
The undersigned hereby ratifies and confirms any and all transactions with FXCH heretofore and hereafter made by the aforesaid agent on behalf of or for the account of the undersigned.
利用这两个伪造攻击，任何一个原始签名人都能伪造出一个有效的代理多重数字签名。
Using these forgery attacks, anyone of original signers can produce a valid proxy multi-signature.
代理多重签名是一种特殊的数字签名体制。利用一个代理多重签名体制，可以有效地解决多个签名人对同一个文件进行签名的问题。
Proxy multi signature is a special kind of digital signature scheme, which can be used to solve the problem of signing on a document by multiple signers efficiently.
为了抵抗原始签名人的伪造攻击，改进了代理签名密钥的生成过程，并对改进的方案进行了安全性分析。
To eliminate the original signers forgery attacks, a modification of the proxy key generation stage is proposed. Security analysis of the improved scheme is also presented.
同时，也指出了另外一个缺陷即攻击者可以假冒原始签名人将任何消息的代理签名权委托给任何代理人。
It is pointed out that they have the same defect in security which is the attacker can forge an effective signer to actualize an attack of public key replace.
为了满足原始签名人的意愿，提出一个指定接收人的门限代理签名方案。
To satisfy the original signer hope, a threshold proxy signature scheme is proposed with designated receiver.
代表一个原始签名人生成一个代理签名，代理签名方案允许代理签名。
Proxy signature schemes allow a proxy signer to generate a proxy signature on behalf of an original signer.
该文针对目前代理签名中普遍存在的代理权撤销难、原始签名人伪造和代理权滥用等问题，提出一个新的可收回代理权的代理盲签名方案。
According to the problems of proxy revocation, original signer's forgery and proxy misuse in proxy signature, a secure proxy blind signature scheme with proxy revocation is proposed.
该文针对目前代理签名中普遍存在的代理权撤销难、原始签名人伪造和代理权滥用等问题，提出一个新的可收回代理权的代理盲签名方案。
According to the problems of proxy revocation, original signer's forgery and proxy misuse in proxy signature, a secure proxy blind signature scheme with proxy revocation is proposed.
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