A Refundable Elliptic Curve Electronic Cash in Mobile Environments 


Vol. 11,  No. 3, pp. 287-292, Jun.  2004
10.3745/KIPSTC.2004.11.3.287


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  Abstract

BOCC(Brand´s Offline Cash with a Counter) is useful in mobile environments, but it has the possibility of attacking amount data in a smart card. To insert the upper & lower limitation of amount into a token data decreases the level of risk. If upper and lower values are same, it means a fixed amount token. Since refund can more often happen in on-line commerce, refundability is added. BOCC is based on Discrete Logarithm Problem, needs exponential computations. But mobile terminals like cell phones have low computational power. As a result, ECC is used to improve the performance supporting same security level.

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[IEEE Style]

E. K. Kwon, Y. G. Cho, K. J. Chae, "A Refundable Elliptic Curve Electronic Cash in Mobile Environments," The KIPS Transactions:PartC, vol. 11, no. 3, pp. 287-292, 2004. DOI: 10.3745/KIPSTC.2004.11.3.287.

[ACM Style]

Eun Kyeong Kwon, Yong Gu Cho, and Ki Joon Chae. 2004. A Refundable Elliptic Curve Electronic Cash in Mobile Environments. The KIPS Transactions:PartC, 11, 3, (2004), 287-292. DOI: 10.3745/KIPSTC.2004.11.3.287.

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