Макрос для снятия защиты листа или книги Excel

Sub Unlock_Excel_Worksheet()
    t = Timer
    If UnlockSheet(ActiveSheet) Then
        MsgBox "Защита снята. Потребовалось времени: " & Format(Timer - t, "0.0 сек.")
    Else
        MsgBox "Не удалось снять защиту листа", vbCritical
    End If
End Sub

Function UnlockSheet(ByRef sh As Worksheet) As Boolean
    Dim i%, j%, k%, l%, m%, n As Long, i1%, i2%, i3%, i4%, i5%, i6%, txt$
    On Error Resume Next
    For i = 65 To 66: For j = 65 To 66: For k = 65 To 66
    For l = 65 To 66: For m = 65 To 66: For i1 = 65 To 66
    For i2 = 65 To 66: For i3 = 65 To 66: For i4 = 65 To 66
    For i5 = 65 To 66: For i6 = 65 To 66
        txt$ = Chr(i) & Chr(j) & Chr(k) & Chr(l) & Chr(m) & Chr(i1) & Chr(i2) & Chr(i3) & Chr(i4) & Chr(i5) & Chr(i6)
        For n = 32 To 126
            sh.Unprotect txt$ & Chr(n)
            If Err Then
                Err.Clear
            Else
                Debug.Print "Пароль: " & txt$ & Chr(n)
                UnlockSheet = True
                Exit Function
            End If
        Next
    Next: Next: Next: Next: Next: Next
    Next: Next: Next: Next: Next
End Function

Sub Unlock_Excel_Workbook() ' снятие защиты книги Excel
    t = Timer
    If UnlockWorkbook(ActiveWorkbook) Then
        MsgBox "Защита снята. Потребовалось времени: " & Format(Timer - t, "0.0 сек.")
    Else
        MsgBox "Не удалось снять защиту книги", vbCritical
    End If
End Sub

Function UnlockWorkbook(ByRef wb As Workbook) As Boolean
    Dim i%, j%, k%, l%, m%, n As Long, i1%, i2%, i3%, i4%, i5%, i6%, txt$
    On Error Resume Next
    For i = 65 To 66: For j = 65 To 66: For k = 65 To 66
    For l = 65 To 66: For m = 65 To 66: For i1 = 65 To 66
    For i2 = 65 To 66: For i3 = 65 To 66: For i4 = 65 To 66
    For i5 = 65 To 66: For i6 = 65 To 66
        txt$ = Chr(i) & Chr(j) & Chr(k) & Chr(l) & Chr(m) & Chr(i1) & Chr(i2) & Chr(i3) & Chr(i4) & Chr(i5) & Chr(i6)
        For n = 32 To 126
            wb.Unprotect txt$ & Chr(n)
            If Err Then
                Err.Clear
            Else
                Debug.Print "Пароль: " & txt$ & Chr(n)
                UnlockWorkbook = True
                Exit Function
            End If
        Next
    Next: Next: Next: Next: Next: Next
    Next: Next: Next: Next: Next
End Function