program list短语⁶⁷²¹¹ 基本例句 程序表,程序目录 This paper recommended one of the symmetrical secret key algorithm, and data encryption standard, its background, its algorithm description and its program list in Language C. 本文介绍了对称密钥算法之一的数据加密标准算法的产生背景，算法描述及在 C语言中的实现。 cnki