How to fast get Hardware-ID in C

Question

I need in my program to tie a license to a hardware ID  I tried use WMI  but it still slow   I need  for example  CPU  HDD  and motherboard info

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Here is a DLL that shows    Hard drive ID  unique hardware serial number written in drive s IDE electronic chip    Partition ID  volume serial number    CPU ID  unique hardware ID    CPU vendor   CPU running speed   CPU theoretic speed   Memory Load   Total memory used in percentage         Total Physical   Total physical memory in bytes     Avail Physical   Physical memory left in bytes     Total PageFile   Total page file in bytes     Available PageFile  Page file left in bytes     Total Virtual  Total virtual memory in bytes     Available Virtual   Virtual memory left in bytes     Bios unique identification numberBiosDate   Bios unique identification numberBiosVersion   Bios unique identification numberBiosProductID   Bios unique identification numberBiosVideo     text grabbed from original web site  It works with C

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For more details refer to this link  The following code will give you CPU ID   namespace required System Management  var mbs   new ManagementObjectSearcher  Select ProcessorId From Win32 processor    ManagementObjectCollection mbsList   mbs Get    string id       foreach  ManagementObject mo in mbsList        id   mo  ProcessorId   ToString        break      For Hard disk ID and motherboard id details refer this-link  To speed up this procedure  make sure you don t use SELECT    but only select what you really need  Use SELECT   only during development when you try to find out what you need to use  because then the query will take much longer to complete

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We use a combination of the processor id number  ProcessorID  from Win32 processor and the universally unique identifier  UUID  from Win32 ComputerSystemProduct  ManagementObjectCollection mbsList   null  ManagementObjectSearcher mos   new ManagementObjectSearcher  quot Select ProcessorID From Win32 processor quot    mbsList   mos Get    string processorId   string Empty  foreach  ManagementBaseObject mo in mbsList        processorId   mo  quot ProcessorID quot   as string     mos   new ManagementObjectSearcher  quot SELECT UUID FROM Win32 ComputerSystemProduct quot    mbsList   mos Get    string systemId   string Empty  foreach  ManagementBaseObject mo in mbsList        systemId   mo  quot UUID quot   as string     var compIdStr     quot  processorId  systemId  quot    Previously  we used a combination  processor ID   quot Select ProcessorID From Win32 processor quot   and the motherboard serial number   quot SELECT SerialNumber FROM Win32 BaseBoard quot    but then we found out that the serial number of the motherboard may not be filled in  or it may be filled in with uniform values   To be filled by O E M  None Default string  Therefore  it is worth considering this situation  Also keep in mind that the ProcessorID number may be the same on different computers

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I got here looking for the same thing and I found another solution  If you guys are interested  I share this class   using System  using System Management  using System Security Cryptography  using System Security  using System Collections  using System Text  namespace Security            lt summary gt          Generates a 16 byte Unique Identification code of a computer         Example  4876-8DB5-EE85-69D3-FE52-8CF7-395D-2EA9          lt  summary gt      public class FingerPrint                 private static string fingerPrint   string Empty          public static string Value                         if  string IsNullOrEmpty fingerPrint                                 fingerPrint   GetHash  CPU  gt  gt      cpuId       nBIOS  gt  gt                   biosId       nBASE  gt  gt      baseId                                     nDISK  gt  gt     diskId       nVIDEO  gt  gt                   videoId      nMAC  gt  gt     macId                                                                     return fingerPrint                    private static string GetHash string s                        MD5 sec   new MD5CryptoServiceProvider                ASCIIEncoding enc   new ASCIIEncoding                byte   bt   enc GetBytes s               return GetHexString sec ComputeHash bt                      private static string GetHexString byte   bt                        string s   string Empty              for  int i   0  i  lt  bt Length  i                                  byte b   bt i                   int n  n1  n2                  n    int b                  n1   n  amp  15                  n2    n  gt  gt  4   amp  15                  if  n2  gt  9                      s      char  n2 - 10    int  A    ToString                    else                     s    n2 ToString                    if  n1  gt  9                      s      char  n1 - 10    int  A    ToString                    else                     s    n1 ToString                    if   i   1     bt Length  amp  amp   i   1    2    0  s     -                             return s                     region Original Device ID Getting Code           Return a hardware identifier         private static string identifier          string wmiClass  string wmiProperty  string wmiMustBeTrue                        string result                   System Management ManagementClass mc            new System Management ManagementClass wmiClass               System Management ManagementObjectCollection moc   mc GetInstances                foreach  System Management ManagementObject mo in moc                                if  mo wmiMustBeTrue  ToString       True                                           Only get the first one                     if  result                                                      try                                                       result   mo wmiProperty  ToString                                break                                                    catch                                                                                                                       return result                      Return a hardware identifier         private static string identifier string wmiClass  string wmiProperty                        string result                   System Management ManagementClass mc            new System Management ManagementClass wmiClass               System Management ManagementObjectCollection moc   mc GetInstances                foreach  System Management ManagementObject mo in moc                                  Only get the first one                 if  result                                              try                                               result   mo wmiProperty  ToString                            break                                            catch                                                                                         return result                    private static string cpuId                           Uses first CPU identifier available in order of preference               Don t get all identifiers  as it is very time consuming             string retVal   identifier  Win32 Processor    UniqueId                if  retVal          If no UniqueID  use ProcessorID                               retVal   identifier  Win32 Processor    ProcessorId                    if  retVal          If no ProcessorId  use Name                                       retVal   identifier  Win32 Processor    Name                        if  retVal          If no Name  use Manufacturer                                               retVal   identifier  Win32 Processor    Manufacturer                                                Add clock speed for extra security                     retVal    identifier  Win32 Processor    MaxClockSpeed                                                return retVal                      BIOS Identifier         private static string biosId                         return identifier  Win32 BIOS    Manufacturer                 identifier  Win32 BIOS    SMBIOSBIOSVersion                 identifier  Win32 BIOS    IdentificationCode                 identifier  Win32 BIOS    SerialNumber                 identifier  Win32 BIOS    ReleaseDate                 identifier  Win32 BIOS    Version                        Main physical hard drive ID         private static string diskId                         return identifier  Win32 DiskDrive    Model                 identifier  Win32 DiskDrive    Manufacturer                 identifier  Win32 DiskDrive    Signature                 identifier  Win32 DiskDrive    TotalHeads                        Motherboard ID         private static string baseId                         return identifier  Win32 BaseBoard    Model                 identifier  Win32 BaseBoard    Manufacturer                 identifier  Win32 BaseBoard    Name                 identifier  Win32 BaseBoard    SerialNumber                        Primary video controller ID         private static string videoId                         return identifier  Win32 VideoController    DriverVersion                 identifier  Win32 VideoController    Name                        First enabled network card ID         private static string macId                         return identifier  Win32 NetworkAdapterConfiguration                     MACAddress    IPEnabled                       endregion           I won t take any credit for this because I found it here It worked faster than I expected for me  Without the graphic card  mac and drive id s I got the unique ID in about 2-3 seconds  With those above included I got it in about 4-5 seconds   Note  Add reference to System Management

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The following approach was inspired by this answer to a related  more general  question   The approach is to read the MachineGuid value in registry key HKEY LOCAL MACHINE SOFTWARE Microsoft Cryptography  This value is generated during OS installation   There are few ways around the uniqueness of the Hardware-ID per machine using this approach  One method is editing the registry value  but this would cause complications on the user s machine afterwards  Another method is to clone a drive image which would copy the MachineGuid value   However  no approach is hack-proof and this will certainly be good enough for normal users  On the plus side  this approach is quick performance-wise and simple to implement    public string GetMachineGuid        string location     SOFTWARE Microsoft Cryptography      string name    MachineGuid       using  RegistryKey localMachineX64View           RegistryKey OpenBaseKey RegistryHive LocalMachine  RegistryView Registry64               using  RegistryKey rk   localMachineX64View OpenSubKey location                       if  rk    null                 throw new KeyNotFoundException                     string Format  Key Not Found   0    location                object machineGuid   rk GetValue name              if  machineGuid    null                 throw new IndexOutOfRangeException                     string Format  Index Not Found   0    name                return machineGuid ToString

[c#] How to fast get Hardware-ID in C#?

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