Abstract
A QR code is more and more widely used in recent years. The two-dimensional bar-code can be seen in business cards, advertising, or web page and everywhere. But there exist some potential security dangers behind scanning those codes. Hence it have being obstacles to the widely using of QR code scanning software in some degree. This article analyzes several kinds of known attacks tricks through the QR code, and puts forward that the most efficient technology in protect the QR code scanning software is code encryption and white list . Finally An Android security protection model is given.
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