Design and Research of Electronic Check System Based Threshold Group Signature
基于门限群签名的电子支票系统的设计和研究

The scheme of electronic check put forward by Financial Services Technology Consortium (FSTC) will be a potential standard in future. It has generally studied and discussed the mode of payment, the safety and the composition of the system, and has an effect on solving the problem of payments taken place under many conditions. Based on the electronic check draft advanced by FSTC and threshold group signature, this paper presents a new electronic check system. In new system, these particular problems such as security, reliability and facility and so on, which are faced with in the enterprises and go-vernments agents' transactions, have been settled efficiently. Meanwhile, the article also analyzes the system security from strategy safety and technique safety aspects.