They can be used to construct threshold schemes.
它们来源于密码学中的门限方案的研究。
A practical member enrollment protocol for threshold schemes is presented.
提出了一个实用的门限方案成员加入协议。
But as they are the threshold schemes, it is inefficient for them to be applied to the general access structure.
但是它们都是门限方案，当推广到一般接入结构时，效率都很低。
In this paper we discussed the matroid structure of threshold schemes. We presented the conditions for the existence of ideal multi -secret threshold schemes.
本文讨论了门限体制的拟阵结构，得到理想的多密门限体制存在的条件。
We show that this class is within the scope of one-level threshold secret sharing schemes.
我们证明了这个类中的单调存取结构是可以被一阶门槛式秘密分享机制所实现。
Most previous secret sharing schemes are based on the special access structure of threshold.
已有的多数秘密分享方案是基于特殊的门限接入结构。
Threshold group signature is an important kind of signatures, but all of the existing threshold group schemes have weaknesses.
门限群签名是一类重要的数字签名，但现有的门限群签名方案几乎都有缺点。
Lastly, the pape research security, reliability, validity of threshold RSA signature schemes and the system capability.
最后分析了系统采用门限签名方案的安全性、可靠性、正确性，以及系统性能。
In most available threshold signature schemes, only one group secret key is Shared among a group of signers and the threshold value is fixed.
现有大多数门限签名体制存在一个共同的问题：门限值是固定的，这限制了它们的应用范围。
The proposed threshold proxy signature schemes have been based on the discrete logarithm problem, and there are few RSA-based schemes.
目前的门限代理签名方案几乎都是基于离散对数问题的，基于RSA密码体制的门限代理签名方案几乎很少。
The design schemes in this thesis are all based on the standard CMOS processing techniques, which need not to modify the threshold voltage, and the structures are simple.
文中所有设计方案皆基于标准CMOS工艺而无需修改阈值电压，且结构较简单。
A typical threshold proxy signature scheme is analyzed and improved from some weakness. It can satisfy security and performance requirements of threshold proxy signature schemes.
针对一个典型的门限代理签名方案，分析了方案中的缺陷并进行了改进，使得该方案能满足门限代理签名体制的安全和性能要求。
A typical threshold proxy signature scheme is analyzed and improved from some weakness. It can satisfy security and performance requirements of threshold proxy signature schemes.
针对一个典型的门限代理签名方案，分析了方案中的缺陷并进行了改进，使得该方案能满足门限代理签名体制的安全和性能要求。
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