diff --git a/contrib/hooks/post_encrypt b/contrib/hooks/post_encrypt
new file mode 100755
index 0000000..eb35299
--- /dev/null
+++ b/contrib/hooks/post_encrypt
@@ -0,0 +1,57 @@
+#!/usr/bin/env bash
+
+# yadm - Yet Another Dotfiles Manager
+# Copyright (C) 2015-2019 Tim Byrne and Martin Zuther
+
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program. If not, see .
+
+
+YADM_DIRECTORY=$(dirname $YADM_HOOK_REPO)
+YADM_CHECKSUMS=$YADM_DIRECTORY/files.checksums
+
+
+# check if "shasum" exists
+if command -v shasum > /dev/null; then
+ # check if "shasum" supports SHA-512/256 algorithm
+ echo -n | shasum --algorithm 512256 2>&1 1> /dev/null
+
+ if [ $? -ne 0 ]; then
+ echo
+ echo "WARNING: \"shasum\" does not support SHA-512/256. No checksums were created."
+ exit $YADM_HOOK_EXIT
+ fi
+
+ # empty checksum file
+ echo -n > $YADM_CHECKSUMS
+
+ # calculate checksums for encrypted files
+ for included in ${YADM_ENCRYPT_INCLUDE_FILES[@]}; do
+ shasum --algorithm 512256 $included >> $YADM_CHECKSUMS
+ ERROR_CODE=$?
+
+ # signal errors
+ if [ $ERROR_CODE -ne 0 ]; then
+ exit $ERROR_CODE
+ fi
+ done
+
+ echo "Wrote checksums: $YADM_CHECKSUMS (SHA-512/256)"
+else
+ echo
+ echo "WARNING: command \"shasum\" not found. No checksums were created."
+ exit $YADM_HOOK_EXIT
+fi
+
+# return exit status of the yadm command
+exit $YADM_HOOK_EXIT
diff --git a/contrib/hooks/post_status b/contrib/hooks/post_status
new file mode 100755
index 0000000..f4a3b5d
--- /dev/null
+++ b/contrib/hooks/post_status
@@ -0,0 +1,69 @@
+#!/usr/bin/env bash
+
+# yadm - Yet Another Dotfiles Manager
+# Copyright (C) 2015-2019 Tim Byrne and Martin Zuther
+
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program. If not, see .
+
+
+YADM_DIRECTORY=$(dirname $YADM_HOOK_REPO)
+YADM_CHECKSUMS=$YADM_DIRECTORY/files.checksums
+
+
+# check whether file with checksums exists
+if [ -f $YADM_CHECKSUMS ]; then
+ # check if "shasum" exists
+ if command -v shasum > /dev/null; then
+ # check if "shasum" supports SHA-512/256 algorithm
+ echo -n | shasum --algorithm 512256 2>&1 1> /dev/null
+
+ if [ $? -ne 0 ]; then
+ echo
+ echo "WARNING: \"shasum\" does not support SHA-512/256. Checksums were not verified."
+ exit $YADM_HOOK_EXIT
+ fi
+
+ # check encrypted files for differences and capture output
+ YADM_CHECKSUM_OUTPUT=$(shasum --algorithm 512256 --check $YADM_CHECKSUMS 2> /dev/null)
+ ERROR_CODE=$?
+
+ # some checksums do not match
+ if [ $ERROR_CODE -ne 0 ]; then
+ echo
+ echo "Some SHA-512/256 sums do not match:"
+
+ # set output color to red
+ echo -e "\033[0;31m"
+
+ # display mismatching files
+ while IFS= read -r line; do
+ echo $line | grep -iv "\sok$" | sed 's/^/ / ; s/: FAILED$//'
+ done <<< "$YADM_CHECKSUM_OUTPUT"
+
+ # reset output color
+ echo -e "\033[0m"
+ echo "Consider running either \"yadm encrypt\" or \"yadm decrypt\"."
+
+ # signal error
+ exit $ERROR_CODE
+ fi
+ else
+ echo
+ echo "WARNING: command \"shasum\" not found. Checksums were not verified."
+ exit $YADM_HOOK_EXIT
+ fi
+fi
+
+# return exit status of the yadm command
+exit $YADM_HOOK_EXIT
diff --git a/yadm b/yadm
index b8f42fd..0410482 100755
--- a/yadm
+++ b/yadm
@@ -1577,11 +1577,13 @@ function invoke_hook() {
YADM_HOOK_FULL_COMMAND=$FULL_COMMAND
YADM_HOOK_REPO=$YADM_REPO
YADM_HOOK_WORK=$YADM_WORK
+ YADM_ENCRYPT_INCLUDE_FILES=${ENCRYPT_INCLUDE_FILES[@]}
export YADM_HOOK_COMMAND
export YADM_HOOK_EXIT
export YADM_HOOK_FULL_COMMAND
export YADM_HOOK_REPO
export YADM_HOOK_WORK
+ export YADM_ENCRYPT_INCLUDE_FILES
"$hook_command"
hook_status=$?