DES/3DES算法的C语言实现，我对代码进行优化。只需要几十个字节的内存就可以。很适合用于单片机等下位机使用。-DES/3DES algorithm in C language, I optimized code. Only need dozens of bytes of memory can be. SCM is very suitable for such use under the plan.

89c51des算法c语言源代码，实现des和3des算法-89c51des algorithm c language source code, implementation and 3DES algorithm des