因此设计安全、高效、可行的代理数字签名方案具有重要的现实意义。
So it is of great significance to design secure, efficient and feasible proxy signature schemes.
现有的代理数字签名方案大多是基于离散对数问题和大数因子分解问题的方案。
Up to now most of the known proxy digital signature schemes are based on discrete logarithmic problems or big number factorization problems.
摘要：现有的代理数字签名方案都是基于离散对数问题和大数因子分解问题的方案。
Absrtact: The present representative digital signature approaches are based on discrete logarithm problem and large number factor decomposition.
代理数字签名作为一种特殊的数字签名体制，可以实现普通数字签名无法解决的代理问题。
As a special digital signature scheme, proxy digital signature can settle some proxy problems which other normal digital signature schemes cann't solve.
代理数字签名的这种特殊性质使得它可以广泛应用于电子选举、移动通信、移动代理、电子商务等领域。
Because of this particularity, proxy digital signature can be widely applied to many fields, such ase-election, mobile communication, mobile agent, e-commerce activities and so on.
目前的数字签名和代理数字签名方案大都是基于普通离散对数难解问题上的，其安全性已经不能满足人们的需求。
At present, digital signature and proxy digital signature schemes are almost based on ordinary separate logarithm question. And the security of the schemes couldn't satisfy the request of the people.
现在，WebSphereStudioApplication DeveloperV5将构建生成并检查数字签名，并且运行在ApplicationServer 5.0附带的SOAP实现上的代理和服务器。
Now, WebSphere Studio Application Developer V5 will build proxies and servers that generate and check digital signatures and run on the SOAP implementation shipping with Application server 5.0.
数字签名是手写签名的电子模拟，但是数字签名不能提供代理功能。
Digital signature is the electronic simulation of handwritten signature but it doesn't provide the function of delegation.
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.
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.
在研究代理多重签名和椭圆曲线数字签名的基础上，提出了一种基于椭圆曲线的多重代理多重签名方案。
After studying existing proxy multi-signature schemes, based on the elliptic curve, a multi-proxy multi-signature scheme was proposed.
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.
在结合无证书密码体制的优点与代理签名的有关知识时，本文还给出了一种代理签名的无证书数字签名。
Based on the merits of the Certificateless Public Key Cryptography and combine the proxy signature, we give a proxy signature schemes and its' secure is also based on the DLP.
在结合无证书密码体制的优点与代理签名的有关知识时，本文还给出了一种代理签名的无证书数字签名。
Based on the merits of the Certificateless Public Key Cryptography and combine the proxy signature, we give a proxy signature schemes and its' secure is also based on the DLP.
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