| 由群签名实现的可撤销匿名性的电子现金方案 |
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| 引用本文： | 李梦东,杨义先,马春光,蔡满春.由群签名实现的可撤销匿名性的电子现金方案[J].北京邮电大学学报,2005,28(2):30-33. |
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| 作者姓名： | 李梦东 杨义先 马春光 蔡满春 |
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| 作者单位： | 北京电子科技学院,电子信息工程系,北京,100070;北京邮电大学,信息安全中心,北京,100876 |
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| 摘 要： | 利用群签名加上一次性标记实现了可撤销匿名性的电子现金方案。方案中群管理者为银行，仅负责向成为群成员的消费者发行证书（电子现金），由一个可信第三方负责撤销匿名性。方案采用Ateniese等人提出的群签名方案，可满足电子现金方案多方面的安全要求和具有较高的效率。
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| 关 键 词： | 电子现金 可撤销匿名性 群签名 防止钱币盗用 |
| 文章编号： | 1007-5321(2005)02-0030-04 |
| 修稿时间： | 2004年3月19日 |
A Revocable Anonymous E-Cash Scheme from Group Signatures |
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| LI Meng-dong,YANG Yi-xian,MA Chun-guang,CAI Man-chun.A Revocable Anonymous E-Cash Scheme from Group Signatures[J].Journal of Beijing University of Posts and Telecommunications,2005,28(2):30-33. |
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| Authors: | LI Meng-dong YANG Yi-xian MA Chun-guang CAI Man-chun |
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| Affiliation: | 1Department of Electronic Information Engineering, Beijing Electronic Science and Technology Institute, Beijing 100070， China; 2Information Security Center, Beijing University of Posts and Telecommunications, Beijing 100876, China |
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| Abstract: | A revocable anonymous e-cash scheme from group signature added a one-time tag was presented in this paper. In the scheme the bank acts as the group manager but just issues certificates, i.e. coins, to customers who become the group members when they withdraw coins from bank, and there is a trustee whose duty is revoking the anonymity of the coins. Ateniese et al's group signature scheme was used in the proposed scheme. Owing to the properties of the group signature scheme, the scheme can meet most demands of e-cash schemes and have a high efficiency. |
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| Keywords: | E-cash revocable anonymity group signature against bank stealing coins |
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