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Using Smart Cards to Enhance Security of Android Smartphones in Tactical Scenarios

机译:使用智能卡来增强Android智能手机的安全性方案中的安全性

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In this paper we explore the possibility of using external secure elements, namely smart cards, to enhance the off-line security of commercial off- the-shelf (COTS) Android smartphones. The idea of using smart cards with smartphones is not completely new, but they are usually employed in solutions that need to be approved for RESTRICTED classification and above, and leverage customized devices in dedicated infrastructures. This approach defeats in part the purpose of using COTS products, and may be unnecessary for situations where budget is limited and data is mission sensitive, but not necessary classified, as in the use-case motivating this work. Here we present our findings on how different types of smart cards as Mifare NFC cards and Java Cards in both microSD and Dual format may interact with standard Android devices to enhance their security when not on-line. We conclude that smart cards can be a cost-effective way to mitigate some weaknesses of smartphones which can constitute a risk in tactical military scenarios, but compatibility challenges and device ownership models can limit their effective security.
机译:在本文中,我们探讨了使用外部安全元件,即智能卡,增强商业现货(COTS)Android智能手机的离线安全性的可能性。使用智能手机使用智能卡的想法并不是完全新的,但通常在需要批准限制分类和上面的解决方案中使用,并利用专用基础架构中的定制设备。这种方法部分脱离了使用COTS产品的目的,并且可能不必在预算有限的情况下不必要,并且数据是使命敏感,但没有必要的归类,如在使用情况的情况下激励这项工作。在这里,我们可以介绍我们的调查结果如何如何不同类型的智能卡作为Mifare NFC卡和MicroSD和双格式的Java卡可以与标准Android设备进行交互,以在不在线上提高其安全性。我们得出结论,智能卡可以是减轻智能手机一些弱点的成本效益的方法,这可以构成战术军事场景的风险,但兼容性挑战和设备所有权模型可以限制其有效的安全性。

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