C # Software registration and Registration (reference)

Original: http://blog.csdn.net/crow_n/article/details/51719144

Http://www.cnblogs.com/hanzhaoxin/archive/2013/01/04/2844191.html

The principle is that the software and the registration machine use the same algorithm to match the data. After registration, the data is written to the registry. A simple way to register a machine.

1, the realization of software

[CSharp]  View Plain  copy using system;   using system.collections.generic;   using  System.Linq;   using system.management;   using system.text;   using system.threading.tasks;      namespace softwareregister   {        class SoftReg       {            /// <summary>            ///  get HDD serial number            /// </summary >           /// <returns></returns>            public string getdiskserialnum ()            {           & NBsp;   managementclass mydisk = new managementclass ("Win32_ Networkadapterconfiguration ");                managementobject disk = new managementobject ("win32_logicaldisk.deviceid=\" C:\ "");                disk. Get ();               return disk. GetPropertyValue ("VolumeSerialNumber"). ToString ();           }            /// <summary>           // /  Get CPU serial number            /// </summary>            /// <returns></returns>     &nbsP;     public string getcpuserialnum ()             {                string cpustr =  "";                managementclass mycpu = new managementclass ("Win32_Processor");               ManagementObjectCollection  Mycpucollention = mycpu. GetInstances ();               foreach   (managementobject var in mycpucollention)                 {                    cpustr = var. properties["Processorid"]. Value.tostring();               }                return cpustr;            }           /// < summary>           ///  The first 24 digits of the CPU serial number and HDD serial number to do the machine code             /// </summary>            /// <returns></returns>            public string getmachinenum ()             {               string  num = getcpuserialnum ()  + getdiskserialnum ();           &Nbsp;    string machinenum = num.substring (0,24);