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Chin-Ling Chen1, Yeong-Lin Lai2, Chih-Cheng Chen2 and Kun-Chih Chen1
1Department of Computer Science and Information Engineering
Chaoyang University of Technology
Taichung, 413 Taiwan
2Department of Mechatronics Engineering
National Changhua University of Education
Changhua, 500 Taiwan
With the technology improving, many content-services have been digitalized constantly
in our daily life. To be more convenient and efficient, many kinds of high technological
products have also been personalized, mobilized, and people can handle their
businesses at any time from anywhere. For example, mobile users can perform the Internet
transactions via mobile devices (such as cell phone and Personal Digital Assistant).
Nowadays, the cell phone is not only used in communication, but it can be combined
with Personal Digital Assistant (PDA) functions. The progress of technology makes the
commercial activities efficient; moreover, it also provides consumers with more convenient
and intimate services. On the basis of the tendency, we implement a digital valueadded
services platform via PDA in this research. We integrate the related cryptography
mechanisms (for example: public key, secret key cryptography system and digital signature)
wireless and SQL technologies to construct a real-time and secure mobile ticket
system. The consumer can use a mobile device to get a requested value-added service
such that the buyers and sellers can perform a secure transaction. Therefore, the security
and reliability of the system are assured in our scheme.
Received February 1, 2008; accepted November 28, 2008.
Communicated by Yau-Hwang Kuo, Pau-Choo Chung and Jar-Ferr Yang.
* This work was partially supported by the National Science Council of Taiwan, R.O.C. under grant No. NSC
97-2221-E-324-013.