【摘要】 设计了一种对彩票内容进行保护的电子彩票方案,可以使彩票发行商在兑奖前不知道彩民的投注内容。通过采用Hash链方法,可以公开验证所有投注彩票,防止发行商与银行勾结伪造彩票、伪造销售额、伪造中奖奖金以及防范其内部人员攻击。该电子彩票方案具有隐私性、不可伪造性、不可重复、可追踪、不可否认性、公开验证性等安全特点。更多还原

【Abstract】 This paper designs an electronic lottery scheme which can protect the content of lotteries.This scheme can ensure that the lottery issuers know nothing about relevant information of lotteries before cash in the bonus.By adopting the Hash strand,all the lotteries can be verified publicly,which can prevent the collusion between the issuers and the bank from forging lotteries,the sales,the bonus as well as attacks from their own staffs.There are many security properties in this scheme,such as privacy,un-forgeable,non-repeatable,traceable,non-repudiation,publicly verification and so on.更多还原