This paper focuses on using mobile phone platform to design embedded security system.
本文基于手机平台，着重于提出和探讨嵌入式安防系统的架构。
On analysis of the principle and application mode of des, a des module which fits for embedded security system such as IC card is realized by topdown design methods.
在详细分析DES的基本原理和应用模式的基础上，结合DES硬件实现的特点，采用正向设计的方法实现了适用于IC卡等有嵌入式安全需要的系统中的DES模块。
This paper first discusses the challenges and attacks in the design of embedded system security, and then studies approaches to bridging the security processing gap and resisting security attacks.
本文讨论了嵌入式系统安全设计面临的挑战以及受到的攻击方式，探讨了如何弥合安全处理的资源缺陷和抵抗攻击的方法。
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