It had the ability for the original signer to provide the overall, reliable control by using of proxy digital signature power.
它使得原始签名者能够对代理签名者的代理签名权力进行全面、可靠地控制。
Up to now most of the known proxy digital signature schemes are based on discrete logarithmic problems or big number factorization problems.
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。
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。
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.
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。
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.
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。
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.
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。
On the basis of forward-security and the theory of digital signature, a forward-secure proxy signature scheme was presented.
该方案更新的密钥链是后向安全的 ，参与者提供的身份链也是后向安全的。
On the basis of forward-security and the theory of digital signature, a forward-secure proxy signature scheme was presented.
该方案更新的密钥链是后向安全的 ，参与者提供的身份链也是后向安全的。
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