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With rapid growth of wireless local area networks (WLAN) and computing techniques, handheld devices have become a popular tool in terms of working, entertaining and communicating in daily life. Considering the huge amounts of messages travelling in WLAN, a secure authentication scheme is definitely necessary, which is also required to be flexible across multiple organizations. Aiming for establishing...
Emerging electronic commerce becomes popular together with the considerable increase of mobile device. Since mobile payments will become one of the most important mobile services. However, most people do not have a fancy for remote mobile payment, or only is limited to micro-payment. The most important problem they worry about is the security of the mobile devices and the applications along with the...
RFID is a non-contact, multi-objective automatic identification technology, widely used in traceability from farm to supermarket. But standardization and privacy are the main problems to solve urgently for recent RFID traceability systems. In this paper, a standard format for the content of the RFID tags compliant with the EPCglobal standard is introduced, and the conversion between EAN-128 bar code...
A novel algorithm of multiple watermarks based on contourlet transform for e-commerce transaction is proposed in this paper, in which both the watermark of copyright owner and that of customer is embedded into the original image. Multiple watermarks are transmitted to the center of CA (certificate authority) using the method of the confidential digital signatures, thus the safety of the multiple watermarks...
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