Mega Code Archive
Microsoft Access 97 password
<![CDATA[
Title: Microsoft Access '97 password
Question: Did you loose your password?
Answer:
{----------------------------------------------------------------------}
Procedure GetMDB97PassWord;
Const
XorArr : Array[0..12] of Byte =
($86,$FB,$EC,$37,$5D,$44,$9C,$FA,$C6,$5E,$28,$E6,$13);
Var
I : Integer;
S1 : String;
FI : File of Byte;
By : Byte;
Access97 : Boolean;
FileError : Boolean;
Begin
// Init
FileError := False;
Access97 := True;
// Open *.mbd file
AssignFile(FI,Filename);
Reset(FI);
// Read file
I := 0;
Repeat
If not Eof(FI) then
Begin
Read(FI,By);
Inc(I);
End;
Until (I = $42) or Eof(FI);
If Eof(FI) then
FileError := True;
// Read password string
S1 := '';
For I := 0 to 12 do
If not Eof(FI) then
Begin
Read(f,By);
S1 := S1 + Chr(By);
End;
If Eof(FI) then
FileError := True;
//Close file
CloseFile(FI);
// Is nul string?
If S1 = #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 then
Access97 := False;
// Decode string
For I := 0 to 12 do
S1[I + 1] := Chr(Ord(S[I + 1]) xor XORArr[I]);
// Find end of string
I := Pos(#0,S1);
If I = 1 then
S1 := '';
If I 1 then
S1 := Copy(S1,1,I);
If Access97 then
Begin
If Length(S1) 0 then
ShowMessage := ('The password is: "' + S1 + '".')
else
ShowMessage ('The file is NOT password protected.');
End
else
ShowMessage('The file is not an Access 97 file.');
If FileError then
ShowMessage('File error');
End;
{----------------------------------------------------------------------}
]]>