Tugas KRIPTOGRAFI 1. Menu awal Desain menu awal program. Berikut ini adalah listing programnya: Public Class Form1     Private Sub KeluarToolStripMenuItem_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles KeluarToolStripMenuItem.Click         End     End Sub     Private Sub CaesarChToolStripMenuItem_Click(ByVal sender As System.Object, ByVal e...