摘要：As the growth of the Internet has given consumers an access to unprecedented amounts of digital contents from almost anywhere, thanks to a variety of smart devices, it has raised concerns about the safety of personal data with current digital content transaction model when purchasing the online digital contents. Smartphone use is increasing rapidly and it is affecting every aspect of people's lives and working environment. Thus, smartphone has become an essential personal tool and individuals have much dependence on it. We examine the security issues of smartphone and smart work environment in terms of describing the threats and problems with respect to privacy information protection. In order to solve this problem, we propose a transparent and reliable online distribution infrastructure system equipped with improved protection of consumer rights, supplier revenue, and enhanced prevention of copyright infringement. To be precise, this secure digital content transaction system enables N-screen based consolidated authentication model from various smart devices to process transaction confirmation anonymously so that consumer's personal information can be protected. In addition, this anonymo us authentication technology between user and service provider also allows possible security threats to be traceable by using traceable anonymous technology
关键词：PKI; User Authentication; Anonymous Technology; Digital Contents; Smartphone; ;Security Threats; Privacy Information Protection
