多种CRC的算法解释和原理分析，并有原程序。可以在通讯和文件加密中使用-CRC algorithm multiple interpretations and principles of analysis, and the original procedure. The communications and the use of file encryption

DELPHI源代码-读卡器开发 #ifndef _EXPORT_FUNC_H_ #define _EXPORT_FUNC_H_ //return successful result #define LIB_SUCCESS 0 //return failed result #define LIB_FAILED 1 #define MAX_RF_BUFFER 1024 /******** 功能：获取动态库版本号 2字节 ****************