基于比特承诺的无可信第三方的电子彩票方案  

E-Lottery Scheme Without a Trusted Third Party Based on Bit Commitment

作　　者：翟耀[1] 赵一鸣[1] 

机构地区：[1]复旦大学软件学院,上海200433

出　　处：《计算机系统应用》2010年第6期135-139,共5页Computer Systems & Applications

基　　金：国家自然科学基金(60573054)

摘　　要：基于比特承诺,给出了一种无需可信第三方的电子彩票方案。该方案不要求购买者在线,不对购买者的计算能力做出苛刻限制,不要求可信第三方参与。该方案具有不可伪造性,公平性,公开验证性等特点。该方案还与传统彩票有良好的兼容性。Based on bit commitment, this paper designs an e-lottery scheme which does not involve a trusted third party. This scheme does not assume all the purchasers are online. It overcomes the limitation of the purchasers＇ computing power and does not need to involve a trusted third party. There are many security properties in this scheme, such as unforgeability, impartiality, publicly verification and so on. This scheme also maintains compatibility with the traditional lottery.

关 键 词：比特承诺 数字签名 电子彩票 

分 类 号：TP399-C2[自动化与计算机技术—计算机应用技术]