Source Code Program Enkripsi dan Deskripsi Menggunakan Microsoft Visual Basic 6.0

Menggunakan Microsoft Visual Basic 6.0

Tampilan Program :

Source Code :
Private Sub Command1_Click()
Dim Enkrip, Output, Inputan As String
Dim Panjang_Input As Integer
Inputan = Text1.Text
Panjang_Input = Len(Text1.Text)
For i = 1 To Panjang_Input
Enkrip = Mid(Inputan, i, 1)
Enkrip = Asc(Enkrip)
Enkrip = (Enkrip + 5) - 13
Enkrip = Chr(Enkrip)
Output = Output & Enkrip
Next i
Text2.Text = Output
End Sub
Private Sub Command2_Click()
Dim Dekrip, Output, Inputan As String
Dim Panjang_Input, Pesan As Integer
Inputan = Text3.Text
Panjang_Input = Len(Text3.Text)
For i = 1 To Panjang_Input
Dekrip = Mid(Inputan, i, 1)
Dekrip = Asc(Dekrip)
Dekrip = (Dekrip - 5) + 13
Dekrip = Chr(Dekrip)
Output = Output & Dekrip
Next i
Text4.Text = Output
End Sub
Private Sub Command3_Click()
Text1.Text = ""
Text2.Text = ""
Text3.Text = ""
Text4.Text = ""
End Sub
Private Sub Command4_Click()
End
End Sub


Tampilan Program :

Source Code :

Dim strPlain As String
Dim strPlainBaru As String
Dim strCipher As String
Dim strKode As String

Private Sub Command2_Click()

strCipher = Text3.Text

strKode = Text2.Text

strPlainBaru = XORFunc(strKode, strCipher)

Text4.Text = strPlainBaru

End Sub

End Function

Private Sub Command1_Click()
strPlain = text1.Text
strKode = text2.Text
strCipher = XORFunc(strKode, strPlain)
text3.Text = strCipher
End Sub

Public Function XORFunc(strKodeIn As String, strDataIn As String) As String
Dim lon1 As Long
Dim intXOR1 As Integer
Dim intXOR2 As Integer
Dim strDataOut As String
For lonI = 1 To Len(strDataIn)
intXOR1 = Asc(Mid$(strDataIn, lonI, 1))
intXOR2 = Asc(Mid$(strKodeIn, _
((lonI Mod Len(strKode)) + 1), 1))
strDataOut = strDataOut + Chr(intXOR1 Xor intXOR2)
Next lonI
XORFunc = strDataOut

Tampilan Program :

Source Code : 
Option Explicit

Public Function Kript(Text As String, X As Integer, Y As Integer, Z As Integer) As String

Dim strTemp As String

Dim i As Integer

For i = 1 To Len(Text)

If Asc(Mid$(Text, i, 1)) < 128 Then

   strTemp = Asc(Mid$(Text, i, 1)) + 128 - X + Y - Z

ElseIf Asc(Mid$(Text, i, 1)) > 128 Then

strTemp = Asc(Mid$(Text, i, 1)) - 128 + X - Y + Z

End If

Mid$(Text, i, 1) = Chr(strTemp)

Next i

Kript = Text

End Function

Private Sub Command1_Click()

Text1.Text = ""

Text2.Text = ""

Text3.Text = ""

End Sub

Private Sub Command2_Click()

Unload Me

End Sub

Private Sub Crypt_Click()

Text2.Text = Kript(Text1.Text, 1, 2, 3)

End Sub

Private Sub Decrypt_Click()

Text3.Text = Kript(Text2.Text, 1, 2, 3)

End Sub