作为短签名时，签名是一次性的，该方案的安全性证明不需要随机预言机模型。
The security of the scheme is based on the difficulty of integers factorization without the random oracle model.
提出了一个一次性代理签名方案和一个时控代理签名方案。
In this paper, the one-time proxy signature scheme and time-limited proxy signature scheme are proposed.
提出了一个一次性代理签名方案和一个时控代理签名方案。
In this paper, the one-time proxy signature scheme and time-limited proxy signature scheme are proposed.
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