__stdcall DLL库，带.lib .h文件 BCD： char BCD(int l,int r); DES： bool TDES(unsigned char *In,unsigned char *Out,unsigned char *key,unsigned char 0加密、1解密); 银联UBC格式Mac算法： bool TMAC(char *Out,unsigned char *MAB,long MABlen,unsigned char *Tkey); ANSI_X9.8算法生成