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目前,IC卡的使用已经渗透在人们生活的各个方面,诸如交通卡,银行卡,付费卡等等,IC卡以其便捷,安全的优点被越来越多的人们所接受。在智能建筑领域,智能卡技术也被广泛应用于门禁出入控制、电子巡更,身份识别等系统中。然而2008年,主要应用于非接触IC卡系统的Mifare芯片的安全算法遭到破解。这个消息在业界引起震动,人们担心:Mifare芯片的安全算法如果被人恶意利用,则付费卡可任意填写数额,门禁系统形同虚
At present, the use of IC cards has permeated all aspects of people's life, such as transportation cards, bank cards, payment cards and the like. The IC card is accepted by more and more people for its convenience and safety. In the field of intelligent building, smart card technology is also widely used in access control, electronic patrol, identification and other systems. However, in 2008, the security algorithm of the Mifare chip mainly used in the non-contact IC card system was cracked. The news in the industry caused by the shock, people are worried: Mifare chip security algorithms if malicious use, the payment card can be filled in any amount, access control system virtual