基于多级代理盲签名的离线电子现金方案  

Off-line E-Cash Scheme Based on Multi-level Proxy Blind Signature

作　　者：王宝文[1] 何新宇[1] 

机构地区：[1]燕山大学信息科学与工程学院,秦皇岛066004

出　　处：《计算机工程》2010年第12期187-189,共3页Computer Engineering

基　　金：国家火炬计划基金资助项目"基于SAAS的信息化共性技术服务平台"(国科发计[2008]658号)

摘　　要：为使多级组织结构中的每个银行都能代理其上级银行发行电子现金,提出一种基于多级代理盲签名且无需可信第三方的新型离线电子现金方案。该方案结合智能卡技术,使用智能卡预先阻止和银行事后检测的双重保护机制,有效解决双重花费问题。分析结果表明,该方案具有较好的安全性、不可伪造性、不可重复花费性、匿名性、不可链接性和实用性。In order to make each bank of multi-level organizational structure issue e-cash instead of its superior bank, this paper proposes a new off-line e-cash scheme without trusted third party, which is based on multi-level proxy blind signature. Through combination with the smart card technology, the scheme solves double-spending problem effectively with double protective mechanisms, the prior restraint of the smart card and the later check of the bank. Analysis result shows that this scheme has some characteristics, such as good security, unforgeability, no double-spending, anonymity, unlinkability and practicability.

关 键 词：电子现金 椭圆曲线密码 智能卡 多级代理盲签名 

分 类 号：TP309[自动化与计算机技术—计算机系统结构]