From 49200cf2e80f7d23d2a2717130486316a9e12698 Mon Sep 17 00:00:00 2001
From: Christian Hesse <mail@eworm.de>
Date: Wed, 4 May 2016 15:37:53 +0200
Subject: support reading second factor from terminal

This increases security by not displaying on display and not writing
to shell history.
---
 README-dracut.md | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'README-dracut.md')

diff --git a/README-dracut.md b/README-dracut.md
index d84f4b9..a410438 100644
--- a/README-dracut.md
+++ b/README-dracut.md
@@ -83,6 +83,10 @@ And updating key and second factor is straight forward:
 
 > ykfde -s old-2nd-factor -n new-2nd-factor
 
+The second factor can be read from terminal, increasing security by not
+displaying on display and not writing to shell history. Use capital
+switches (`-S` and `-N`) for that.
+
 Make sure to enable second factor in `/etc/ykfde.conf`.
 
 ### cpio archive with challenges
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cgit v1.2.3-54-g00ecf