Kriptografi Caesar pada Vb.net 2008

Posted by Sabtu, 29 Juni 2013




 

NB : untuk mencari karekter Enkripsi ketikan di kolom Plainteks
        untuk mencari karekter Deskripsi ketikan di kolom  Chiperteks


Listing Programnya :
 

Public Class Form1

    Private Sub BtEnkripsi_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles BtnEnkripsi.Click
        Dim jumlah As Double = Len(Plainteks.Text)
        Dim x As String
        Dim xkalimat As String = ""
        Dim bil As Integer
        Dim i As Double
        For i = 1 To jumlah
            x = Mid(Plainteks.Text, i, 1)
            bil = Asc(x) + 3
            x = Chr(bil)
            xkalimat = xkalimat + x
        Next i
        Chiperteks.Text = xkalimat
    End Sub

    Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
        Chiperteks.Text = ""
        Plainteks.Text = ""
    End Sub

    Private Sub BtnDiskripsi_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles BtnDiskripsi.Click
        Dim jumlah As Double = Len(Chiperteks.Text)
        Dim x As String
        Dim xkalimat As String = ""
        Dim bil As Integer
        Dim i As Double
        For i = 1 To jumlah
            x = Mid(Chiperteks.Text, i, 1)
            bil = Asc(x) - 3
            x = Chr(bil)
            xkalimat = xkalimat + x
        Next i
        Plainteks.Text = xkalimat
    End Sub
End Class


Berikut Hasilnya :


 Hasil Gambar untuk Enkripsi


 




 Hasil Gambar untuk Deskripsi



 

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