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@@ -0,0 +1,80 @@
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+#!/bin/bash
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+
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+# The Qubes OS Project, http://www.qubes-os.org
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+#
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+# Copyright (C) 2016 Patrick Schleizer <adrelanos@riseup.net>
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+#
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+# This program is free software; you can redistribute it and/or
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+# modify it under the terms of the GNU General Public License
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+# as published by the Free Software Foundation; either version 2
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+# of the License, or (at your option) any later version.
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+#
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+# This program is distributed in the hope that it will be useful,
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+# but WITHOUT ANY WARRANTY; without even the implied warranty of
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+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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+# GNU General Public License for more details.
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+#
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+# You should have received a copy of the GNU General Public License
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+# along with this program; if not, write to the Free Software
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+# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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+
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+## Similar code as Boot Clock Randomization.
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+## https://www.whonix.org/wiki/Boot_Clock_Randomization
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+
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+set -e
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+
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+## Get a random 0 or 1.
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+## Will use this to decide to use plus or minus.
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+##
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+## Thanks to
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+## http://linux.byexamples.com/archives/128/generating-random-numbers/
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+ZERO_OR_ONE="$(( 0+($(od -An -N2 -i /dev/random) )%(0+2) ))"
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+
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+## Create a random number between 0 and 180.
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+DELAY="$(( $(od -An -N2 -i /dev/random)%(180-0+1) ))"
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+
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+## Create a random number between 0 and 999999999.
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+##
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+## Thanks to
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+## https://stackoverflow.com/questions/22887891/how-can-i-get-a-random-dev-random-number-between-0-and-999999999-in-bash
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+NANOSECONDS="$(shuf -i0-999999999 -n1 --random-source=/dev/random)"
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+
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+## Examples NANOSECONDS:
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+## 117752805
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+## 38653957
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+
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+## Add leading zeros, because `date` expects 9 digits.
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+NANOSECONDS="$(printf '%0*d\n' 9 "$NANOSECONDS")"
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+
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+## Using
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+## printf '%0*d\n' 9 "38653957"
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+## 38653957
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+## becomes
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+## 038653957
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+
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+## Examples NANOSECONDS:
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+## 117752805
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+## 038653957
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+
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+if [ "$ZERO_OR_ONE" = "0" ]; then
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+ PLUS_OR_MINUS="-"
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+elif [ "$ZERO_OR_ONE" = "1" ]; then
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+ PLUS_OR_MINUS="+"
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+else
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+ exit 2
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+fi
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+
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+#OLD_TIME="$(date)"
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+#OLD_TIME_NANOSECONDS="$(date +%s.%N)"
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+
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+OLD_UNIXTIME="$(date +%s)"
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+
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+NEW_TIME="$(( $OLD_UNIXTIME $PLUS_OR_MINUS $DELAY ))"
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+
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+NEW_TIME_NANOSECONDS="$NEW_TIME.$NANOSECONDS"
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+
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+echo "$NEW_TIME_NANOSECONDS"
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+
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+## Testing the `date` syntax:
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+## date --date @1396733199.112834496
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+## date --date "@$NEW_TIME_NANOSECONDS"
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Patrick Schleizer