LAMPIRAN A : LISTING PROGRAM
1. frmMenu.frm
Dim CN As Connection Dim rsHapus As Recordset
Private Sub DfaHasil_Click() Call frmLap.Cetak
End Sub
Private Sub Form_Load()
Set CN = New ADODB.Connection
CN.ConnectionString = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" & App.Path & "\dbLLSB.mdb;Persist Security Info=False"
CN.Open End Sub
Private Sub HapUji_Click() On Error Resume Next
XX = MsgBox("Semua data hasil pengujian mau dihapus ?", vbYesNo) If XX = vbYes Then
Set rsHapus = New ADODB.Recordset
rsHapus.Open "Delete from Hasil1", CN, 1, 2 Set rsHapus = Nothing
Kill App.Path & "\BackUpMP3\*.*" MsgBox "Proses selesai"
Exit Sub Else
MsgBox "Batal ..." End If
End Sub
Private Sub qt_Click() End
End Sub
Private Sub Steg_Click() Main.Show
End Sub
2. Main.frm Option Explicit
Dim FSO As New FileSystemObject, fileInfo As File Private WithEvents AAC As clsAAC
Sub CariID()
Set rsCari = New ADODB.Recordset
ID = rsCari!ID + 1 Else
ID = 1 End If
Set rsCari = Nothing
End Sub
Sub Bersih()
List1.Visible = True List2.Visible = True List3.Visible = True List1.Clear
List2.Clear List3.Clear
Label8.Visible = True Label15.Visible = True Label18.Visible = True Text1.Text = "" Text2.Text = "" Text4.Text = "" lblUkuran1 = "" lblUkuran2 = "" Ukuran1 = 0 Ukuran2 = 0 lblKelang = "" Kelang = 0 Text3(0).Text = "" Text3(1).Text = "" List1.Clear List2.Clear pesan = "" bolSisip = False bolEkstrak = False NmFile1 = "" Title1 = "" Pesan1 = "" Lama1 = 0 Lama2 = 0 Kode = "" lblLama = "" bolSisip = False
cmdSisip.Enabled = False cmdEkstrak.Enabled = False cmdLoad.Enabled = True cmdLoad.SetFocus End Sub
List2.Visible = False Label8.Visible = False Label15.Visible = False Label18.Visible = False List3.Visible = False
Label13.Visible = False Label17.Visible = False lblUkuran2.Visible = False
Kode = "E" bolEkstrak = True
Call AAC.ExtractPesan(Text1.Text, Text4.Text) End Sub
Private Sub cmdLoad_Click() Call Bersih
cmd.Filter = "All Files (*.MP3)|*.MP3" cmd.DialogTitle = "Open File"
cmd.ShowOpen
If (cmd.Filename <> "") Then
Set fileInfo = FSO.GetFile(cmd.Filename) Ukuran1 = fileInfo.Size
lblUkuran1.Caption = Ukuran1 / 1024 NmFile1 = ""
NmFile1 = cmd.Filename Title1 = cmd.FileTitle Text1 = cmd.Filename End If
End Sub
Sub Simpan() Call CariID
Set rsNo = New ADODB.Recordset
rsNo.Open "Hasil1", CN, adOpenDynamic, adLockOptimistic rsNo.AddNew
rsNo!ID = ID
rsNo!NmFile = NmFile1 rsNo!Title = Title1 rsNo!Ukuran = Ukuran1 rsNo!pesan = Pesan1 If Kode = "S" Then rsNo!Lama = Lama1 Else
rsNo!Lama = Lama2 End If
rsNo!Kelang = Val(Text4.Text) rsNo!status = "1"
MsgBox "Data sudah disimpan" End Sub
'Private Sub cmdSimpan_Click() Call Simpan
cmdSimpan.Enabled = False Call Bersih
End Sub
Private Sub cmdSisip_Click() List1.Visible = True List2.Visible = True Label8.Visible = True Label15.Visible = True List3.Visible = True Label18.Visible = True
Label13.Visible = True Label17.Visible = True lblUkuran2.Visible = True
Pesan1 = RTrim(Text2) Kode = "S"
bolSisip = True
Call AAC.GetAudioData(Text1.Text, fileInfo.Name, Text2.Text, Text4.Text) End Sub
Private Sub cmdTutup_Click() Set Main = Nothing
Unload Me End Sub
Private Sub Form_Activate() If Kode = "S" Then
List1.Visible = True List2.Visible = True Label8.Visible = True Label15.Visible = True List3.Visible = True Label18.Visible = True ElseIf Kode = "E" Then List1.Visible = False List2.Visible = False Label8.Visible = False Label15.Visible = False List3.Visible = False Label18.Visible = False Else
Label15.Visible = True List3.Visible = True Label18.Visible = True End If
cmdLoad.Enabled = True cmdSisip.Enabled = False cmdEkstrak.Enabled = False
If bolSisip = True Then lblKelang.Caption = Kelang ElseIf bolEkstrak = True Then lblKelang.Caption = Kelang End If
cmdLoad.SetFocus End Sub
Private Sub Form_Load() Set AAC = New clsAAC
Set CN = New ADODB.Connection
CN.ConnectionString = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" & App.Path & "\dbLLSB.mdb;Persist Security Info=False"
CN.Open End Sub
Private Sub Form_MouseMove(Button As Integer, Shift As Integer, x As Single, Y As Single) OnForm
End Sub
Private Sub Form_Unload(Cancel As Integer) Set Main = Nothing
Unload Me End Sub
Private Sub Text2_Change() If Text2.Text = "" Then cmdSisip.Enabled = False Else
cmdSisip.Enabled = True End If
End Sub
Private Sub Text4_Change() If (Text4.Text = "") Then cmdEkstrak.Enabled = False Else
cmdEkstrak.Enabled = True End If
3. frmLap.frm Option Explicit
Dim rsCari As Recordset
Private Sub cmdCetak_Click() Call Cetak
End Sub
Private Sub Command1_Click() Unload Me
End Sub
Sub Cetak()
Me.WindowState = 2
cr.ReportFileName = App.Path & "\Report 3.rpt" cr.RetrieveDataFiles
cr.Connect = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" & App.Path & "\dbLLSB.mdb;Persist Security Info=False"
cr.WindowShowRefreshBtn = True cr.PrintReport
cr.WindowState = crptMaximized cr.Action = 1
End Sub
Private Sub Form_Load()
Set CN = New ADODB.Connection
CN.ConnectionString = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" & App.Path & "\dbLLSB.mdb;Persist Security Info=False"
CN.Open End Sub
Private Sub Form_Unload(Cancel As Integer) Unload Me
frmMenu.Show End Sub
4. frmTmplProses.frm Dim tmpJarak As Integer
Private WithEvents AAC As clsAAC
Public Sub BinerAudio2(Teks As String) rtbSisip.SelBold = False
rtbSisip.SelStart = rtbSisip.SelStart rtbSisip.SelText = Teks
If tmpJarak = jarak + 1 Then
rtbSisip.SelStart = rtbSisip.SelStart - 1 rtbSisip.SelLength = 1
rtbSisip.SelBold = False
rtbSisip.SelStart = rtbSisip.SelStart + 1
tmpJarak = 0 End If
End Sub
Public Sub IsiRTBSisip() Dim noBaris As Integer Dim noCount As Integer Dim i&
tmpJarak = jarak + 1 noCount = 0
noBaris = 0
For i = 0 To UBound(sample_audio_sisip) If noCount <> 0 And noCount <> 4 Then Call BinerAudio2(sample_audio_sisip(i)) rtbSisip.SelText = " "
End If
If noCount = 0 Then rtbSisip.SelText = "1) "
Call BinerAudio2(sample_audio_sisip(i)) rtbSisip.SelText = " "
noBaris = 1 End If
rtbSisip.SelBold = False If noCount = 4 Then noBaris = noBaris + 1 rtbSisip.SelText = vbCrLf
rtbSisip.SelText = noBaris & ") " Call BinerAudio2(sample_audio_sisip(i)) rtbSisip.SelText = " "
noCount = 0 End If
noCount = noCount + 1 tmpJarak = tmpJarak + 1 Next
End Sub
Public Sub BinerAudio1(Teks As String) rtbBiner.SelBold = False
rtbBiner.SelText = Teks End Sub
Dim i&
noCount = 0 noBaris = 0
For i = 0 To UBound(sample_audio) If noCount <> 0 And noCount <> 4 Then Call BinerAudio1(sample_audio(i)) rtbBiner.SelText = " "
End If
If noCount = 0 Then rtbBiner.SelText = "1) "
Call BinerAudio1(sample_audio(i)) rtbBiner.SelText = " "
noBaris = 1 End If
If noCount = 4 Then noBaris = noBaris + 1 rtbBiner.SelText = vbCrLf
rtbBiner.SelText = noBaris & ") " Call BinerAudio1(sample_audio(i)) rtbBiner.SelText = " "
noCount = 0 End If
noCount = noCount + 1 Next
End Sub
Private Sub Form_Load() If Kode = "S" Then
IsiRTBPesan (pesanTeks) IsiRTBBiner
IsiRTBSisip IsiFileAudio IsiFileSisip Else
IsiRTBPesan (pesanTeks) IsiRTBSisip
IsiFileSisip
lblTeks.Visible = False lblBiner.Visible = False rtbTeks.Visible = False rtbBiner.Visible = False End If
End Sub
Private Sub Form_Unload(Cancel As Integer) Set frmLap = Nothing
End Sub
Public Sub IsiFileAudio() Dim noBaris As Integer Dim noCount As Integer Dim i&
noCount = 0 noBaris = 0
For i = 0 To UBound(FileAudio)
If noCount <> 0 And noCount <> 4 Then Call TeksAudio1(FileAudio(i))
rtbTeks.SelText = " " End If
If noCount = 0 Then rtbTeks.SelText = "1) " Call TeksAudio1(FileAudio(i)) rtbTeks.SelText = " " noBaris = 1
End If
If noCount = 4 Then noBaris = noBaris + 1 rtbTeks.SelText = vbCrLf
rtbTeks.SelText = noBaris & ") " Call TeksAudio1(FileAudio(i)) rtbTeks.SelText = " " noCount = 0
End If
noCount = noCount + 1 Next
End Sub
Public Sub TeksAudio1(Teks As Byte) rtbTeks.SelBold = False
rtbTeks.SelText = DecToChar(Teks) End Sub
Public Sub IsiFileSisip() Dim noBaris As Integer Dim noCount As Integer Dim i&
tmpJarak = jarak + 1 noCount = 0
noBaris = 0
End If
If noCount = 0 Then
rtbTeksSisip.SelText = "1) " Call TeksAudio2(FileAudioSisip(i)) rtbTeksSisip.SelText = " " noBaris = 1
End If
If noCount = 4 Then noBaris = noBaris + 1
rtbTeksSisip.SelText = vbCrLf
rtbTeksSisip.SelText = noBaris & ") " Call TeksAudio2(FileAudioSisip(i)) rtbTeksSisip.SelText = " " noCount = 0
End If
noCount = noCount + 1 Next
End Sub
Public Sub TeksAudio2(Teks As Byte) rtbTeksSisip.SelBold = False
rtbTeksSisip.SelText = DecToChar(Teks)
If tmpJarak = jarak + 1 Then
rtbTeksSisip.SelStart = rtbSisip.SelStart - 1 rtbTeksSisip.SelLength = 1
rtbTeksSisip.SelBold = True rtbTeksSisip.SelLength = 0 rtbTeksSisip.SelBold = False
rtbTeksSisip.SelStart = rtbSisip.SelStart + 1
tmpJarak = 0 End If
End Sub
Public Function DecToChar(Dec As Byte) As String Dim a As String
a = Chr(Dec) DecToChar = a End Function
Public Sub IsiRTBPesan(HiddenTeks As String) Dim x As Long
If Kode = "S" Then
Else End If
noBrs = 1
For x = 1 To Len(HiddenTeks) a = Asc(Mid(HiddenTeks, x, 1)) b = DecimalToBinary(a)
If Kode = "S" Then If noBrs = 1 Then
rtbPesan.SelText = "1) " & Mid(HiddenTeks, x, 1) & " = " & b
Else
rtbPesan.SelText = vbCrLf
rtbPesan.SelText = noBrs & ") " & Mid(HiddenTeks, x, 1) & " = " & b End If
Else
If noBrs = 1 Then
rtbPesan.SelText = "1) " & b & " = " & Mid(HiddenTeks, x, 1)
Else
rtbPesan.SelText = vbCrLf
rtbPesan.SelText = noBrs & ") " & b & " = " & Mid(HiddenTeks, x, 1) End If
End If
noBrs = noBrs + 1 Next
End Sub
Public Function DecimalToBinary(DecimalNum As Long) As String Dim tmp As String
Dim n As Long
n = DecimalNum
tmp = Trim(Str(n Mod 2)) n = n \ 2
Do While n <> 0
tmp = Trim(Str(n Mod 2)) & tmp n = n \ 2
Loop
5. clsAAC.cls Option Explicit
Dim SampleAudio() As String
Event Progress(Procent As Integer)
Private Function FileExist(Filename As String) As Boolean
On Error GoTo FileDoesNotExist
Call FileLen(Filename) FileExist = True Exit Function
FileDoesNotExist: FileExist = False
End Function
Public Sub GetAudioData(SrcFile As String, NamaFile As String, pesan As String, numKelang As String)
Dim FileNum As Integer Dim FileNew As Integer Dim FileBinary() As Byte Dim FileSize As Long
Dim i&, a&, x&, j&, k&, syncSmple& Dim status As Boolean
Dim n&, n_bit&
Dim BinerPesan As String
'Pengecekan file tersebut ada atau tidak ada If (Not FileExist(SrcFile)) Then
Err.Raise vbObjectError, "clsAAC.GetAudioData", "File tidak ada ...." End If
time.StartTimer
'Ambil semua data yang ada pada file FileNum = FreeFile
Open SrcFile For Binary As #FileNum ReDim FileBinary(0 To LOF(FileNum) - 1) ReDim SampleAudio(0 To LOF(FileNum) - 1) Get #FileNum, , FileBinary()
FileSize = LOF(FileNum) Close #FileNum
k = 0
For j = 0 To FileSize - 2
If (FileBinary(j) = &HFF) And (FileBinary(j + 1) = &HFB) Then j = j + 36
Next
syncSmple = k
Main.List1.Clear Main.List2.Clear Main.List3.Clear
If (numKelang = "") Then
MsgBox "Jumlah Lompatan sebagai kata kunci belum Anda isi", vbInformation, "Info" Else
BinerPesan = HiddenTextToBinary(pesan) n_bit = Len(BinerPesan)
If ((FileSize - syncSmple) < Len(Pesan)) Then
MsgBox "Pesan Teks lebih besar daripada ukuran file audio yang bisa dimasukkan", vbInformation, "Info"
Else
status = False n = numKelang a = 0
x = 1
For i = 0 To FileSize - 1
ReCheck: If (FileBinary(i) = &HFF) And (FileBinary(i + 1) = &HFB) Then status = True
i = i + 36
GoTo GetSmplAud End If
GetSmplAud: If status = True Then Do While i <> FileSize - 1
If Not ((FileBinary(i) = &HFF) And (FileBinary(i + 1) = &HFB)) Then SampleAudio(a) = DecimalToBinary(Val(FileBinary(i)))
Main.List2.AddItem (SampleAudio(a)) n = n + 1
'proses LLSB
If (n = numKelang + 1) And (x <= Len(BinerPesan)) Then
SampleAudio(a) = Left(SampleAudio(a), 7) & Mid(BinerPesan, x, 1) x = x + 1
n = 0
FileBinary(i) = BinaryToDecimal(SampleAudio(a)) Main.List3.AddItem (SampleAudio(a))
If (x > Len(BinerPesan)) Then ' dibuat supaya program tidak terlalu lama Exit For
End If End If a = a + 1 i = i + 1 Else
n = numKelang GoTo ReCheck End If
Loop End If Next
‘save new one FileNew = FreeFile
Open App.Path & "\BackUpMP3\" & NamaFile For Binary As #FileNew Put #FileNew, , FileBinary()
Seek #FileNew, LOF(FileNew) + 1
'Put #FileNew, , Right(" " & numKelang, 2) & Right(" " & n_bit, 3) Main.lblUkuran2.Caption = LOF(FileNew) / 1024
Close #FileNew
time.StopTimer
Main.lblLama.Caption = Format(time.Elasped, "0.000000") Lama1 = Format(time.Elasped, "0.000000")
Call Main.Simpan 'End If
End If End Sub
Public Function BinaryToDecimal(Binary As String) As Long Dim n As Long
Dim s As Integer
For s = 1 To Len(Binary)
n = n + (Mid(Binary, Len(Binary) - s + 1, 1) * (2 ^ (s - 1))) Next s
BinaryToDecimal = n End Function
Public Function DecimalToBinary(DecimalNum As Long) As String Dim tmp As String
Dim n As Long
n = DecimalNum
tmp = Trim(Str(n Mod 2)) n = n \ 2
Do While n <> 0
tmp = Trim(Str(n Mod 2)) & tmp n = n \ 2
Loop
Public Function HiddenTextToBinary(HiddenTeks As String) As String Dim x, a As Long
Dim b As String
For x = 1 To Len(HiddenTeks) a = Asc(Mid(HiddenTeks, x, 1)) b = b & DecimalToBinary(a)
Main.List1.AddItem (Right("00000000" & DecimalToBinary(a), 8)) Next
HiddenTextToBinary = b End Function
Public Function HiddenTextToChar(HiddenBinary As String) As String Dim x, a, b, c As Long
Dim HideArr() As String Dim Teks As String
ReDim HideArr(0 To Len(HiddenBinary) / 8) a = 0
x = 1
Do While x <= Len(HiddenBinary) HideArr(a) = Mid(HiddenBinary, x, 8) a = a + 1
x = x + 8 Loop
For b = 1 To a
c = BinaryToDecimal(HideArr(b - 1)) Teks = Teks & Chr(c)
Next
HiddenTextToChar = Teks End Function
Public Sub ExtractPesan(SrcFile As String, num_Kelang As String) Dim FileNum As Integer
Dim FileNew As Integer Dim FileBinary() As Byte Dim FileSize As Long Dim i&, a&
Dim status As Boolean Dim n&, x&
Dim BinerPesan As String Dim PesanChar As String Dim BitPesan As String Dim GetKelang As String Dim GetNBiner As String Dim numKelang As Integer
If (Not FileExist(SrcFile)) Then
Err.Raise vbObjectError, "clsAAC.ExtractPesan", "File tidak ada ...." End If
'Ambil semua data yang ada pada file FileNum = FreeFile
Open SrcFile For Binary As #FileNum ReDim FileBinary(0 To LOF(FileNum) - 1) ReDim SampleAudio(0 To LOF(FileNum) - 1) Get #FileNum, , FileBinary()
FileSize = LOF(FileNum) Close #FileNum
'GetKelang = Chr(FileBinary(FileSize - 2)) & Chr(FileBinary(FileSize - 1)) 'GetKelang = Chr(FileBinary(FileSize - 5)) & Chr(FileBinary(FileSize - 4)) 'GetNBiner = Chr(FileBinary(FileSize - 3)) & Chr(FileBinary(FileSize - 2)) & Chr(FileBinary(FileSize - 1))
If (num_Kelang = "") Then
MsgBox "Jumlah Lompatan sebagai kata kunci belum Anda isi", vbInformation, "Info" ElseIf Not (Trim(GetKelang) = num_Kelang) Then
MsgBox "Kata kunci Anda salah!", vbInformation, "Info" Else
time.StartTimer
numKelang = num_Kelang 'jarak = numKelang ' PesanChar = "" BinerPesan = "" status = False n = numKelang a = 0
x = 1
For i = 0 To FileSize - 1
ReCheck: If (FileBinary(i) = &HFF) And (FileBinary(i + 1) = &HFB) Then status = True
i = i + 36
GoTo GetSmplAud End If
GetSmplAud: If status = True Then Do While i <> FileSize - 1
If Not ((FileBinary(i) = &HFF) And (FileBinary(i + 1) = &HFB)) Then SampleAudio(a) = DecimalToBinary(Val(FileBinary(i)))
n = n + 1
'proses extract LLSB
If (n = numKelang + 1) Then
BitPesan = Right(SampleAudio(a), 1) BinerPesan = BinerPesan & BitPesan x = x + 1
n = 0
If Not (GetNBiner + 1 < x) Then
PesanChar = PesanChar & BinerPesan BinerPesan = ""
Else
PesanChar = HiddenTextToChar(PesanChar) Main.Text2.Text = PesanChar
Exit For End If End If End If a = a + 1 i = i + 1 Else
status = False n = numKelang GoTo ReCheck End If
Loop End If Next
time.StopTimer
Main.lblLama.Caption = Format(time.Elasped, "0.000000") Lama2 = Format(time.Elasped, "0.000000")
Pesan1 = Trim(Main.Text2.Text) Call Main.Simpan
