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。
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。
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