Abstract
Incorporating the property of transferability into an offline electronic cash (e-cash) system has turned out to be no easy matter. Most of the e-cash systems proposed so far do not provide transferability. Those who support transferability are either inefficient or requiring to be online with the help of a trustee. In this paper we present an efficient offline transferable e-cash system. The computational complexity of our system is as light as a single term e-cash system [13]. Besides, no trustee is involved in the transfer protocol. In addition to it, we propose two e-check systems constructed using similar techniques to our e-cash system. One is as efficient as a single term e-cash system and supports partial unlinkability. The other one provides complete unlinkability with a more complex setting.
| Original language | English |
|---|---|
| Title of host publication | Security and Privacy in the Age of Ubiquitous Computing - IFIP TC11 20th International Information Security Conference |
| Pages | 171-188 |
| Number of pages | 18 |
| DOIs | |
| Publication status | Published - 1 Dec 2005 |
| Externally published | Yes |
| Event | International Information Security Conference 2005 - Chiba, Japan Duration: 30 May 2005 → 1 Jun 2005 Conference number: 20th https://link.springer.com/book/10.1007/b135818 (Proceedings) |
Publication series
| Name | IFIP Advances in Information and Communication Technology |
|---|---|
| Volume | 181 |
| ISSN (Print) | 1868-4238 |
Conference
| Conference | International Information Security Conference 2005 |
|---|---|
| Abbreviated title | IFIP/SEC 2005 |
| Country/Territory | Japan |
| City | Chiba |
| Period | 30/05/05 → 1/06/05 |
| Internet address |
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Keywords
- e-check
- electronic payment systems
- secure electronic commerce
- transferable e-cash
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