How to get serial number from hard disks?

使用Win32 API获取PC中所有硬盘的序列号有没有简单的方法？

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GetVolumeInformation是你的朋友。

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GetVolumeInformation will give you information only about the partition or volume , not about whole HDD.

You should use DeviceIoControl function to get information.

Here possible code:

#include <atlstr.h>
#include <Windows.h>
#include <winioctl.h>

BOOL getSerial(CString diskSerial) {
  BOOL   bResult = FALSE;

  STORAGE_PROPERTY_QUERY    storagePropertyQuery;
  STORAGE_DESCRIPTOR_HEADER storageDescHeader = { 0 };
  STORAGE_DEVICE_DESCRIPTOR *pDeviceDesc;

  DWORD dwBytes = 0;
  DWORD dwOutBufferSize = 0;
  DWORD dwSerialNumberOffset = 0;

  BYTE *pOutBuffer = nullptr;

  ZeroMemory(&storagePropertyQuery, sizeof(STORAGE_PROPERTY_QUERY));
  storagePropertyQuery.PropertyId = StorageDeviceProperty;
  storagePropertyQuery.QueryType = PropertyStandardQuery;

  HANDLE hDevice = CreateFile("\.PhysicalDrive0", 0,
                   FILE_SHARE_READ | FILE_SHARE_WRITE,
                   NULL, OPEN_EXISTING, 0, NULL);

  if (hDevice == INVALID_HANDLE_VALUE) {
    std::cout << "Can't get access to HDD.nTerminating." << std::endl;
    exit(EXIT_FAILURE);
  }

  bResult = DeviceIoControl(hDevice, IOCTL_STORAGE_QUERY_PROPERTY,
                        &storagePropertyQuery, sizeof(storagePropertyQuery),
                        &storageDescHeader, sizeof(storageDescHeader),
                        &dwBytes, NULL);

  dwOutBufferSize = storageDescHeader.Size;

  try {
    pOutBuffer = new BYTE[dwOutBufferSize];
    ZeroMemory(pOutBuffer, sizeof(pOutBuffer));
  } catch (std::bad_alloc exp) {
    CloseHandle(hDevice);
    std::cout << exp.what() << std::endl;
    return FALSE;
  }

  bResult = DeviceIoControl(hDevice, IOCTL_STORAGE_QUERY_PROPERTY,
                        &storagePropertyQuery, sizeof(STORAGE_PROPERTY_QUERY),
                        pOutBuffer, dwOutBufferSize, &dwBytes, NULL);

  pDeviceDesc = (STORAGE_DEVICE_DESCRIPTOR *)pOutBuffer;
  dwSerialNumberOffset = pDeviceDesc->SerialNumberOffset;
  diskSerial = CString(pOutBuffer + dwSerialNumberOffset);

  std::cout << "Serial Number: " << diskSerial << std::endl;

  delete[] pOutBuffer;
  CloseHandle(hDevice);

  return TRUE;
}

If you have more then 1 hard drives installed, u should change "\.PhysicalDrive0" to "\.PhysicalDrive1" etc.

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