Add mouse pairing mockup

directions/research_directions.tex

@@ -605,6 +605,7 @@ be established where one party has a display of some sort and the other party ha
 \paragraph{Adaption to mice} Instead of a keyboard, a mouse can be used for pairing without compromising protocol
 security. The host would encode the fingerprint bit string into a permutation
 $\sigma(i) : \{n\in\mathbb N, n\le m\} \rightarrow \{n\in\mathbb N, n\le m\}$ 
+for an integer security parameter $m>0$
 and then display the sequence $\sigma(i)$ in a grid of buttons similar to a minesweeper field with an emualted mouse
 cursor driven by pairing input on top. The user would then click the buttons on the grid in numeric order. The device
 would do the same mouse emulation invisible to the user and would be able to observe the permutation this way. The

mouse_pairing_mockup/mockup.py

@@ -0,0 +1,51 @@
+#!/usr/bin/env python3
+
+import itertools
+
+import gi
+import gi
+from gi.repository import Gtk as gtk, Gdk as gdk, Pango as pango, GLib as glib
+
+import numpy as np
+
+
+class PyApp(gtk.Window):
+    def __init__(self, m=5):
+        super(PyApp, self).__init__()
+
+        self.set_title("Mouse pairing mockup")
+        self.set_default_size(400, 400)
+        vbox = gtk.VBox()
+        grid = gtk.Grid(row_spacing=20, column_spacing=20, row_homogeneous=True, column_homogeneous=True, margin=20)
+        lbl = self.lbl = gtk.Label('Please press the buttons below in order 1-2-3...')
+
+        # GTK has the best APIs... -.-
+        screen = gdk.Screen.get_default()
+        gtk_provider = gtk.CssProvider()
+        gtk_context = gtk.StyleContext()
+        gtk_context.add_provider_for_screen(screen, gtk_provider, gtk.STYLE_PROVIDER_PRIORITY_APPLICATION)
+        css = b'''
+            #pinpad > button {font: 24 bold}
+            #pinpad > button:checked {background: linear-gradient(#e5efd4, #588a5a)}
+        '''
+        grid.set_name('pinpad')
+        gtk_provider.load_from_data(css)
+
+        st = np.random.RandomState(seed=0)
+        for i, (x, y) in zip(st.permutation(m**2), itertools.product(range(m), range(m))):
+            btn = gtk.ToggleButton(f'{i+1}')
+            btn.connect("toggled", self.on_toggled)
+            grid.attach(btn, x, y, 1, 1)
+
+        vbox.pack_start(lbl, True, True, 0)
+        vbox.pack_start(grid, True, True, 0)
+        self.add(vbox)
+        self.connect("destroy", gtk.main_quit)
+        self.show_all()
+
+    def on_toggled(self, widget, data=None):
+        print(f'Clicked : {widget.get_label()}')
+
+if __name__ == '__main__':
+    PyApp()
+    gtk.main()