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http://dx.doi.org/10.3745/KIPSTD.2003.10D.6.1059

A Credit Card Sensing System based on Shared Key for Promoting Electronic Commerce  

Jang, Si-Woong (동의대학교 컴퓨터과학과)
Shin, Byoung-Chul (동의대학교 나노공학부)
Kim, Yang-Kok (동의대학교 수학정보통계학부)
Abstract
In this paper, the magnetic sensing system is designed and implemented for the safe security in internet commerce system. When the payment is required inthe internet commerce system, the magnetic sensing system will get the information from a credit card without keyboard input and then encrypt and transmit the information to server. The credit card sensing system, which is proposed in this paper, is safe from keyboard hacking because it encrypts card information immediately in its internal chip and sends the information to host system. For the protection of information, the magnetic sensing system is basically based on a synchronous stream cipher cryptosystem which is related to a group of matrices. The size of matrices and the bits of keys for the best performances are determined for various cases. It is shown that for credit card payments. matrices of size 2 have good performance even at most 128bits keys with the consideration of inverse matrices. For authentication of general-purpose data, the magnetic sensing system needs more than 1.5KB data and in this case, the optimum size of matrices is 2 or 3 at more 256bits keys with consideration of inverse matrices.
Keywords
Electronic Payment; Credit Card; Internet;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
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