本文介绍了一种国际上通用的加密算法—DES算法的原理，并给出了在VC++6.0语言环境下实现的源代码。最后给出一个示例，以供参考-This paper presents a general international-DES algorithm encryption algorithm works, and gives the language in VC++6.0 environment to achieve the source code. Finally, an example for reference