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procedure TPassForm.CreateMDB(Sender: TObject);
var
  Date0: TDate;
  Date1: TDate;
  Date2: TDate;
begin
{£ Date0 := EncodeDate(1978, 7, 01);
  Date1 := EncodeDate(1989, 9, 17);
  Date2 := EncodeDate(2079, 6, 05); }
  //SetTime(Date0);
  Make01('D:DB01.MDB', '112233´ó');
  //SetTime(Date1);
  Make01('D:DB02.MDB', 'ÉõÖÁÓÚ');
  //SetTime(Date2);
  Make01('D:DB03.MDB', '');
end;

procedure SetFTime(const FileName: string; DTime: TDateTime);
var
  Q: HFile;
  ST: TSystemTime;
  FT: TFileTime;
begin
  DateTimeToSystemTime(DTime, ST);
  SystemTimeToFileTime(ST, FT);
  LocalFileTimeToFileTime(FT, FT);
  Q := FileOpen(FileName, fmOpenWrite or fmShareDenyNone);
  SetFileTime(Q, @FT, @FT, @FT);
end;

function TempPath(): string;
var
  SPath, SFile: array[0..254] of char;
begin
  GetTempPath(254, SPath);
  GetTempFileName(SPath, '~SM', 0, SFile);
  result := SFile;
  DeleteFile(result);
end;

function TPassForm.Make01(F: string; P: string = ''): boolean;
var
  Linker: string;
  Access: OleVariant;
begin
  if FileExists(F) then DeleteFile(F);
  Linker :=
£  'Provider=Microsoft.Jet.OLEDB.4.0;Data ' +
£  'Source=%s;Jet OLEDB:Database Password=%s;';
  Access := CreateOleObject('ADOX.Catalog');
  Access.Create(format(Linker, [F, P]));
end;

function TPassForm.Make02(F: string): boolean;
var
  Access: OleVariant;
begin
  if FileExists(F) then DeleteFile(F);
  Access := CreateOleObject('Access.Application');
  Access.NewCurrentDatabase(F);
  Access.Quit;
  Access := null;
end;

procedure TPassForm.FormCreate(Sender: TObject);
begin
  Pick1.DateTime := Now;
  FileBox1 := TFileListBox.Create(nil);
  FileBox1.Visible := false;
  FileBox1.Parent := Self;
  FileBox1.Mask := '*.MDB';
end;

procedure TPassForm.FormDestroy(Sender: TObject);
begin
  FileBox1.Free;
end;

procedure TPassForm.ExecDirectory(S: string);
var
  i: integer;
  P: PassType;
begin
  FileBox1.Directory := S;
  ListView1.Items.BeginUpdate;
  ListView1.Items.Clear;
  for i := FileBox1.Count - 1 downto 0 do begin
£  S := FileBox1.Items[i];
£  P := ExecFile(S);
£  if P.PassCode = '' then Continue;
£  with ListView1.Items.Add do begin
£ £  Caption := S;
£ £  ImageIndex := 0;
£ £  SubItems.Add(P.FileType);
£ £  SubItems.Add(P.PassCode);
£ £  SubItems.Add(FormatDateTime(model, P.FileTime));
£  end;
£  ListView1.Items.EndUpdate;
  end;
end;

procedure TPassForm.GetMDBDir(Sender: TObject);
var
  S: string;
begin
  if not SelectDirectory('Ñ¡ÔñÊý¾Ý¿âĿ¼', '', S) then Exit;
  Edit1.Text := S;
  ExecDirectory(S);
end;

procedure TPassForm.Edit1KeyPress(Sender: TObject; var Key: Char);
begin
  if Key <> #13 then Exit;
  if Trim(Edit1.Text) = '' then Exit;
  ExecDirectory(Edit1.Text);
end;

procedure TPassForm.CloseForm(Sender: TObject);
begin
  Close;
end;

function TPassForm.ExecFile(FName: string): PassType;
  function CovTime(FD: _FileTime): TDateTime;
  var
£  TCT: _SystemTime;
£  Tmp: _FileTime;
  begin
£  FileTimeToLocalFileTime(FD, Tmp);
£  FileTimeToSystemTime(Tmp, TCT);
£  Result := SystemTimeToDateTime(TCT);
  end;

var
  Stream: TFileStream;
  i, n: integer;
  TP: TSearchRec;
  WTime: TDateTime;
  WSec: DWord;
  M, S: string;
  Buf: array[0..200] of byte;
  Date0: TDateTime;
  Date1: TDateTime;
  Date2: TDateTime;
const
  XorStr = $823E6C94;
begin
  FindFirst(FName, faAnyFile, TP);
//£ FT := CovTime(TP.FindData.ftCreationTime);

  Stream := TFileStream.Create(FName, fmOpenReadWrite);
  Stream.Seek($00, 00); Stream.Read(Buf[0], 200);
  if Buf[$14] = 0 then begin
£  PassCode := '';
£  Stream.Seek($42, 00); Stream.Read(Buf[0], 20);
£  for i := 0 to 19 do
£ £  PassCode := PassCode + chr(Buf[i] xor InCode97[i]);
£  Result.PassCode := PassCode;
£  Result.FileType := 'ACCESS-97';
£  Result.FileTime := Now;
£  Exit; // °´Access97°æ±¾´¦Àí
  end;

  Date0 := EncodeDate(1978, 7, 01);
  Date1 := EncodeDate(1989, 9, 17);
  Date2 := EncodeDate(2079, 6, 05);

  Stream.Seek($42, 00); Stream.Read(ReaderArray[0], 40);
  Stream.Seek($75, 00); Stream.Read(DateStr, 4);
  Stream.Free;
  for i := $42 to $42 + 55 do begin
£  if i = $72 then M := '-' else M := '';
£  S := S + #32 + M + IntToHex(Buf[i], 2);
  end;
  Delete(S, 1, 1);
  Memo1.Lines.Add(Format(
£  'Êý¾Ý¿âÎļþÃû£º%s£¬%s' +
£  '10½øÖÆʱ¼ä´®£º%d£¬%s' +
£  '16½øÖÆʱ¼ä´®£º%x£¬%s' +
£  'Êý¾Ý¿âÃÜÂë´®£º%s',
£  [FName, #13#10, DateStr, #13#10, DateStr, #13#10, #13#10 + S + #13#10]));

  if (DateStr >= $90000000) and (DateStr < $B0000000) then begin
£  WSec := DateStr xor $903E6C94;
£  WTime := Date2 + WSec / 8192 * 2;
  end else begin
£  WSec := DateStr xor $803E6C94;
£  WTime := Date1 + WSec / 8192;
£  if WSec and $30000000 <> 0 then begin
£ £  WSec := $40000000 - WSec;
£ £  WTime := Date1 - WSec / 8192 / 2;
£  end;
  end;
  Memo1.Lines.Add('´´½¨Ê±¼ä£º' + DateTimeToStr(WTime));
  if WTime < Date1 then begin
£  for i := 0 to 9 do begin
£ £  EncodeArray[i * 2] := (Trunc(WTime) - Trunc(Date0)) xor UserCode[i] xor $F000;
£ £  // Xor $F000 ¾ÍÊÇ¡°¸ßλȡ·´¡±
£ £  EncodeArray[i * 2 + 1] := InhereCode[i];
£  end;
  end;
  if (WTime >= Date1) and (WTime < Date2) then begin
£  for i := 0 to 9 do begin
£ £  EncodeArray[i * 2] := (Trunc(WTime) - Trunc(Date1)) xor UserCode[i];
£ £  EncodeArray[i * 2 + 1] := InhereCode[i];
£  end;
  end;
  if WTime >= Date2 then begin
£  for i := 0 to 9 do begin
£ £  EncodeArray[i * 2] := (Trunc(WTime) - Trunc(Date1)) xor UserCode[i];
£ £  EncodeArray[i * 2 + 1] := InhereCode[i] xor 1;
£ £  // Xor 1 ¾ÍÊÇ¡°Ä©Î»È¡·´¡±
£  end;
  end;
  PassCode := '';
  for i := 0 to 19 do begin
£  N := EncodeArray[i] xor ReaderArray[i];
//£ £ if N <> 0 then PassCode := PassCode + Chr(N);
£  if N <> 0 then PassCode := PassCode + WideChar(N);
  end;
  Result.FileType := 'ACCESS-2000';
  Result.FileTime := WTime;
  Result.PassCode := PassCode;
end;

procedure TPassForm.GetAllPass(Sender: TObject);
begin
  Memo1.Clear;
  Memo1.Lines.BeginUpdate;
  if Trim(Edit1.Text) = '' then Exit;
  ExecDirectory(Edit1.Text);
  Memo1.Lines.EndUpdate;
end;

procedure TPassForm.SetCurTime(Sender: TObject);
begin
  Self.SetTime(Pick1.Date);
end;

end.