unit1.pas

这个原创项目用在一个分拣系统中。可以通过它学习如何提取机器有效特征码

unit Unit1;

interface

uses
  Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
  Dialogs, StdCtrls;

type
  TForm1 = class(TForm)
    Label1: TLabel;
    Button1: TButton;
    Edit1: TEdit;
    Button2: TButton;
    Button3: TButton;
    Edit2: TEdit;
    Edit3: TEdit;
    procedure Button1Click(Sender: TObject);
    procedure Button2Click(Sender: TObject);
    procedure Button3Click(Sender: TObject);
    procedure Edit1Change(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  Form1: TForm1;

implementation

{$R *.dfm}


//==============================================================================
//==============================================================================
function GetIdeSerialNumber: pchar;  //获取硬盘的出厂系列号；
  const IDENTIFY_BUFFER_SIZE = 512;
type
   TIDERegs = packed record
     bFeaturesReg: BYTE;
     bSectorCountReg: BYTE;
     bSectorNumberReg: BYTE;
     bCylLowReg: BYTE;
     bCylHighReg: BYTE;
     bDriveHeadReg: BYTE;
     bCommandReg: BYTE;
     bReserved: BYTE;
  end;
  TSendCmdInParams = packed record
    cBufferSize: DWORD;
    irDriveRegs: TIDERegs;
    bDriveNumber: BYTE;
    bReserved: array[0..2] of Byte;
    dwReserved: array[0..3] of DWORD;
    bBuffer: array[0..0] of Byte;
  end;
  TIdSector = packed record
    wGenConfig: Word;
    wNumCyls: Word;
    wReserved: Word;
    wNumHeads: Word;
    wBytesPerTrack: Word;
    wBytesPerSector: Word;
    wSectorsPerTrack: Word;
    wVendorUnique: array[0..2] of Word;
    sSerialNumber: array[0..19] of CHAR;
    wBufferType: Word;
    wBufferSize: Word;
    wECCSize: Word;
    sFirmwareRev: array[0..7] of Char;
    sModelNumber: array[0..39] of Char;
    wMoreVendorUnique: Word;
    wDoubleWordIO: Word;
    wCapabilities: Word;
    wReserved1: Word;
    wPIOTiming: Word;
    wDMATiming: Word;
    wBS: Word;
    wNumCurrentCyls: Word;
    wNumCurrentHeads: Word;
    wNumCurrentSectorsPerTrack: Word;
    ulCurrentSectorCapacity: DWORD;
    wMultSectorStuff: Word;
    ulTotalAddressableSectors: DWORD;
    wSingleWordDMA: Word;
    wMultiWordDMA: Word;
    bReserved: array[0..127] of BYTE;
  end;
  PIdSector = ^TIdSector;
  TDriverStatus = packed record
    bDriverError: Byte;
    bIDEStatus: Byte;
    bReserved: array[0..1] of Byte;
    dwReserved: array[0..1] of DWORD;
  end;
  TSendCmdOutParams = packed record
    cBufferSize: DWORD;
    DriverStatus: TDriverStatus;
    bBuffer: array[0..0] of BYTE;
  end;
var
  hDevice: Thandle;
  cbBytesReturned: DWORD;
  SCIP: TSendCmdInParams;
  aIdOutCmd: array[0..(SizeOf(TSendCmdOutParams) + IDENTIFY_BUFFER_SIZE-1)-1] of Byte;
  IdOutCmd: TSendCmdOutParams absolute aIdOutCmd;
procedure ChangeByteOrder(var Data; Size: Integer);
var
  ptr: Pchar;
  i: Integer;
  c: Char;
begin
  ptr := @Data;
  for I := 0 to (Size shr 1) - 1 do begin
    c := ptr^;
    ptr^ := (ptr + 1)^;
    (ptr + 1)^ := c;
    Inc(ptr, 2);
  end;
end;
begin
Result := '';
if SysUtils.Win32Platform = VER_PLATFORM_WIN32_NT then begin // Windows NT, Windows 2000
hDevice := CreateFile('\\.\PhysicalDrive0', GENERIC_READ or GENERIC_WRITE,
FILE_SHARE_READ or FILE_SHARE_WRITE, nil, OPEN_EXISTING, 0, 0);
end else // Version Windows 95 OSR2, Windows 98
hDevice := CreateFile('\\.\SMARTVSD', 0, 0, nil, CREATE_NEW, 0, 0);
if hDevice = INVALID_HANDLE_VALUE then Exit;
try
FillChar(SCIP, SizeOf(TSendCmdInParams) - 1, #0);
FillChar(aIdOutCmd, SizeOf(aIdOutCmd), #0);
cbBytesReturned := 0;
with SCIP do begin
cBufferSize := IDENTIFY_BUFFER_SIZE;
with irDriveRegs do begin
bSectorCountReg := 1;
bSectorNumberReg := 1;
bDriveHeadReg := $A0;
bCommandReg := $EC;
end;
end;
if not DeviceIoControl(hDevice, $0007C088, @SCIP, SizeOf(TSendCmdInParams) - 1,
@aIdOutCmd, SizeOf(aIdOutCmd), cbBytesReturned, nil) then Exit;
finally
CloseHandle(hDevice);
end;
with PIdSector(@IdOutCmd.bBuffer)^ do begin
ChangeByteOrder(sSerialNumber, SizeOf(sSerialNumber));
(Pchar(@sSerialNumber) + SizeOf(sSerialNumber))^:= #0;
Result := Pchar(@sSerialNumber);
end;
end;

// 获得硬盘序列号(某个盘)
function GetHDSerialNumber(Drv: String): String;
var
  VolumeSerialNumber : DWORD;
  MaximumComponentLength : DWORD;
  FileSystemFlags : DWORD;
begin
  if Drv <> '' then
  if Drv[Length(Drv)] =':' then
    Drv := Drv + '\';

  if Drv ='' then
    GetVolumeInformation(nil,nil,0,@VolumeSerialNumber,MaximumComponentLength,FileSystemFlags,0,0)
  else
    GetVolumeInformation(pChar(Drv),nil,0,@VolumeSerialNumber,MaximumComponentLength,FileSystemFlags,0,0);

  Result := IntToHex(HiWord(VolumeSerialNumber),4) +'-' +IntToHex(LoWord(VolumeSerialNumber),4);

end;

function myStrtoHex(s: string): string;
var tmpstr:string;
    i:integer;
begin
    tmpstr := '';
    for i:=1 to length(s) do
    begin
        tmpstr := tmpstr + inttoHex(ord(s[i]),2);
    end;
    result := tmpstr;
end;

function myHextoStr(S: string): string;
var hexS,tmpstr:string;
    i:integer;
    a:byte;
begin
    hexS  :=s;//应该是该字符串
    if length(hexS) mod 2=1 then
    begin
        hexS:=hexS+'0';
    end;
    tmpstr:='';
    for i:=1 to (length(hexS) div 2) do
    begin
        a:=strtoint('$'+hexS[2*i-1]+hexS[2*i]);
        tmpstr := tmpstr+chr(a);
    end;
    result :=tmpstr;
end;

function encryptstr(const s:string; skey:string):string;
var
    i,j: integer;
    hexS,hexskey,midS,tmpstr:string;
    a,b,c:byte;
begin
    hexS   :=myStrtoHex(s);
    hexskey:=myStrtoHex(skey);
    midS   :=hexS;
    for i:=1 to (length(hexskey) div 2)   do
    begin
        if i<>1 then midS:= tmpstr;
        tmpstr:='';
        for j:=1 to (length(midS) div 2) do
        begin
            a:=strtoint('$'+midS[2*j-1]+midS[2*j]);
            b:=strtoint('$'+hexskey[2*i-1]+hexskey[2*i]);
            c:=a xor b;
            tmpstr := tmpstr+myStrtoHex(chr(c));
        end;
    end;
    result := tmpstr;
end;

function decryptstr(const s:string; skey:string):string;
var
    i,j: integer;
    hexS,hexskey,midS,tmpstr:string;
    a,b,c:byte;
begin
    hexS  :=s;//应该是该字符串
    if length(hexS) mod 2=1 then
    begin
        showmessage('密文错误！');
        exit;
    end;
    hexskey:=myStrtoHex(skey);
    tmpstr :=hexS;
    midS   :=hexS;
    for i:=(length(hexskey) div 2) downto 1 do
    begin
        if i<>(length(hexskey) div 2) then midS:= tmpstr;
        tmpstr:='';
        for j:=1 to (length(midS) div 2) do
        begin
            a:=strtoint('$'+midS[2*j-1]+midS[2*j]);
            b:=strtoint('$'+hexskey[2*i-1]+hexskey[2*i]);
            c:=a xor b;
            tmpstr := tmpstr+myStrtoHex(chr(c));
        end;
    end;
    result := myHextoStr(tmpstr);
end;
//==============================================================================
//==============================================================================

procedure TForm1.Button1Click(Sender: TObject);
var
    str1:string;
begin
    str1:=TRIM(GetHDSerialNumber('c:\'));
    str1:=TRIM(encryptstr( trim( str1  ),TRIM('LGQ')));
    Edit3.Text:=TRIM(str1);
end;

procedure TForm1.Button2Click(Sender: TObject);
var
    str1,a,b,c,d:string;
begin
  IF Comparestr(TRIM(edit1.Text),'1')=0 Then
  Begin

     str1:=decryptstr( trim(edit2.Text),TRIM('LGQ'));
     Label1.Caption:=TRIM(str1);

     a:= trim(str1);
     b:= COPY(a,1,2);
     c:= COPY(a,3,Length(a));
     d:= encryptstr(b,c);
     Edit3.Text:=TRIM(d);
  End;
  IF Comparestr(TRIM(edit1.Text),'2')=0 Then
  Begin
     str1:=decryptstr( trim(edit2.Text),TRIM('[e-mail]'));
     Label1.Caption:=TRIM(str1);

     a:= trim(str1);
     b:= COPY(a,1,2);
     c:= COPY(a,3,Length(a));
     d:= encryptstr(b,c);
     Edit3.Text:=TRIM(d);
  End;
end;

procedure TForm1.Button3Click(Sender: TObject);
var
    str1,str2:string;
begin
    str1:=TRIM(GetHDSerialNumber('c:\'));
    str1:=TRIM(encryptstr( trim( str1 ),TRIM('[e-mail]')));
    Edit3.Text:=TRIM(str1);
end;

procedure TForm1.Edit1Change(Sender: TObject);
begin
  IF Comparestr(TRIM(edit1.Text),'1')=0 Then
  Begin
     edit2.Visible:=true;
     button2.Visible:=true;
  End;
  IF Comparestr(TRIM(edit1.Text),'2')=0 Then
  Begin
     edit2.Visible:=true;
     button2.Visible:=true;
  End;
end;

end.