diff -up openssh-7.4p1/contrib/gnome-ssh-askpass2.c.progress openssh-7.4p1/contrib/gnome-ssh-askpass2.c

--- openssh-7.4p1/contrib/gnome-ssh-askpass2.c.progress	2016-12-19 05:59:41.000000000 +0100

+++ openssh-7.4p1/contrib/gnome-ssh-askpass2.c	2016-12-23 13:31:16.545211926 +0100

@@ -53,6 +53,7 @@

 #include <unistd.h>

 #include <X11/Xlib.h>

+#include <glib.h>

 #include <gtk/gtk.h>

 #include <gdk/gdkx.h>

 #include <gdk/gdkkeysyms.h>

@@ -81,14 +82,25 @@ ok_dialog(GtkWidget *entry, gpointer dia

 	return 1;

 }

+static void

+move_progress(GtkWidget *entry, gpointer progress)

+{

+	gdouble step;

+	g_return_if_fail(GTK_IS_PROGRESS_BAR(progress));

+	

+	step = g_random_double_range(0.03, 0.1);

+	gtk_progress_bar_set_pulse_step(GTK_PROGRESS_BAR(progress), step);

+	gtk_progress_bar_pulse(GTK_PROGRESS_BAR(progress));

+}

+

 static int

 passphrase_dialog(char *message, int prompt_type)

 {

 	const char *failed;

 	char *passphrase, *local;

 	int result, grab_tries, grab_server, grab_pointer;

 	int buttons, default_response;

-	GtkWidget *parent_window, *dialog, *entry;

+	GtkWidget *parent_window, *dialog, *entry, *progress, *hbox;

 	GdkGrabStatus status;

 	GdkColor fg, bg;

 	int fg_set = 0, bg_set = 0;

@@ -104,14 +116,19 @@ passphrase_dialog(char *message)

 		gtk_widget_modify_bg(dialog, GTK_STATE_NORMAL, &bg;;

 	if (prompt_type == PROMPT_ENTRY || prompt_type == PROMPT_NONE) {

+		hbox = gtk_hbox_new(FALSE, 0);

+		gtk_box_pack_start(GTK_BOX(GTK_DIALOG(dialog)->vbox), hbox, FALSE,

+		    FALSE, 0);

+		gtk_widget_show(hbox);

+

		entry = gtk_entry_new();

		if (fg_set)

			gtk_widget_modify_fg(entry, GTK_STATE_NORMAL, &fg;;

		if (bg_set)

			gtk_widget_modify_bg(entry, GTK_STATE_NORMAL, &bg;;

		gtk_box_pack_start(

-		    GTK_BOX(gtk_dialog_get_content_area(GTK_DIALOG(dialog))),

-		    entry, FALSE, FALSE, 0);

+		    GTK_BOX(hbox), entry, TRUE, FALSE, 0);

+		gtk_entry_set_width_chars(GTK_ENTRY(entry), 2);

 		gtk_entry_set_visibility(GTK_ENTRY(entry), FALSE);

 		gtk_widget_grab_focus(entry);

 		if (prompt_type == PROMPT_ENTRY) {

@@ -130,6 +145,22 @@ passphrase_dialog(char *message)

 			g_signal_connect(G_OBJECT(entry), "key_press_event",

 			                 G_CALLBACK(check_none), dialog);

 		}

+

+		hbox = gtk_hbox_new(FALSE, 0);

+		gtk_box_pack_start(GTK_BOX(GTK_DIALOG(dialog)->vbox),

+		    hbox, FALSE, FALSE, 8);

+		gtk_widget_show(hbox);

+

+		progress = gtk_progress_bar_new();

+

+		gtk_progress_bar_set_text(GTK_PROGRESS_BAR(progress),

+		    "Passphrase length hidden intentionally");

+		gtk_box_pack_start(GTK_BOX(hbox), progress, TRUE,

+		    TRUE, 5);

+		gtk_widget_show(progress);

+		g_signal_connect(G_OBJECT(entry), "changed",

+				 G_CALLBACK(move_progress), progress);

+

 	}

 	/* Grab focus */