AccesS密码的打击

王朝delphi·作者佚名  2006-01-08
窄屏简体版  字體: |||超大  

type

TForm1 = class(TForm)

Button1: TButton;

Chk2000: TCheckBox;

Edit1: TEdit;

Button2: TButton;

Edit2: TEdit;

OpenDialog1: TOpenDialog;

Button3: TButton;

Label1: TLabel;

procedure Button1Click(Sender: TObject);

procedure Button2Click(Sender: TObject);

procedure Button3Click(Sender: TObject);

procedure Edit2KeyPress(Sender: TObject; var Key: Char);

private

procedure WMDropFiles(var Msssage: TMessage); message WM_DROPFILES ;

{ Private declarations }

public

{ Public declarations }

end;

var

Form1: TForm1;

implementation

{$R *.DFM}

CONST

xorString:array[0..12]of byte=

( $86, $FB, $EC, $37,

$5D, $44, $9C, $FA,

$C6, $5E, $28, $E6,$13 );

xorString2:array[0..20]of byte=

( $D3, $EC, $08, $9C,

$93, $28, $46, $8A,

$01, $7B, $A0, $DF,

$22, $13, $9A, $B1,

$61, $79, $C7, $7C,$5B);

procedure TForm1.WMDropFiles(var Msssage: TMessage);

begin

ShowMessage('Hello Boy');

end;

procedure TForm1.Button1Click(Sender: TObject);

VAR

passBuff: array[0..14]of byte;

pass: array[0..14]of char;

passBuff2: array[0..40]of byte;

pass2: array[0..20]of char;

B: Byte;

F:TFileStream;

I,j:integer;

begin

file://ShowMessage(Char($86)+ Char($F8)+Char($EC))

if not FileExists(Edit1.Text) then

begin

MessageBox(Handle,'你是MM呀','我好种意你呀',MB_OK + MB_ICONINFORMATION);

exit;

END;

F := TFileStream.Create(Edit1.text,fmOpenRead);

if not Chk2000.Checked then

begin

Try

F.Seek($42,soFromBeginning);

F.Read(PassBuff,14);

for i := 0 to 13 do

begin

B := PassBuff[i] XOR xorString[i];

Pass[i] := Char(B);

end;

pass[Sizeof(Pass)-1] := #0;

Edit2.Text := StrPas(Pass);

finally

f.Free;

end;

end

else

begin

try

F.Seek($42,soFromBeginning);

F.Read(passBuff2,40);

I:=0;j:=0;

while I<40 do

begin

B := passBuff2[i] xor xorString2[j];

pass2[j]:=char(B);

inc(i,2);inc(j);

end;

pass2[sizeof(pass2) - 1] := #0;

Edit2.Text:=StrPas(Pass2);

finally

f.Free;

end;

end;

end;

procedure TForm1.Button2Click(Sender: TObject);

begin

if OpenDialog1.Execute then

Edit1.text := OpenDialog1.FileName;

end;

procedure TForm1.Button3Click(Sender: TObject);

VAR

passBuff: array[0..14]of byte;

pass: array[0..14]of char;

passBuff2: array[0..40]of byte;

pass2: array[0..20]of char;

B: Byte;

F:TFileStream;

I,j:integer;

s: string;

begin

file://ShowMessage(Char($86)+ Char($F8)+Char($EC))

if not FileExists(Edit1.Text) then

begin

MessageBox(Handle,'你是MM呀','我好种意你呀',MB_OK + MB_ICONINFORMATION);

exit;

END;

F := TFileStream.Create(Edit1.text,fmOpenWrite);

if not Chk2000.Checked then

begin

Try

FillChar(Pass,14,#0);

s := EdIt2.Text;

StrCopy(@Pass,Pchar(Trim(s)));

for i := 0 to 13 do

begin

B := Byte(Pass[i]);

PassBuff[i] := xorString[i] xor B;

end;

PassBuff[13] := $B6;

F.Seek($42,soFromBeginning);

F.Write(PassBuff,14);

finally

f.Free;

end;

end

else

begin

try

F.Seek($42,soFromBeginning);

F.Read(passBuff2,40);

I:=0;j:=0;

while I<40 do

begin

B := passBuff2[i] xor xorString2[j];

pass2[j]:=char(B);

inc(i,2);inc(j);

end;

pass2[sizeof(pass2) - 1] := #0;

Edit2.Text:=StrPas(Pass2);

finally

f.Free;

end;

end;

end;

procedure TForm1.Edit2KeyPress(Sender: TObject; var Key: Char);

begin

file://if length(Edit1.text) >= 13 then Key := #0;

end;

end.

 
 
 
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