diff --git a/tests/scripts/decrypt.sh b/tests/scripts/decrypt.sh
new file mode 100755
index 0000000..afd12cc
--- /dev/null
+++ b/tests/scripts/decrypt.sh
@@ -0,0 +1,37 @@
+#!/bin/bash
+
+TEST_DIR=`dirname "$0"`
+
+# PYTHONPATH and LD_LIBRARY_PATH are needed on Fedora 26
+export PYTHONPATH=/usr/local/lib64/python2.7/site-packages/:/usr/local/lib64/python2.7/site-packages/grgsm/:$PYTHONPATH
+export LD_LIBRARY_PATH=/usr/local/lib64/:$LD_LIBRARY_PATH
+
+export AP_DECODE="grgsm_decode"
+export CAPFILE="../../test_data/vf_call6_a725_d174_g5_Kc1EF00BAB3BAC7002.cfile"
+export SHORTENED_CAPFILE="tmp.cfile"
+export RESULT_EXPECTED="../fixtures/grgsm_decode_decrypt1_expected"
+export RESULT_OBTAINED="grgsm_decode_test1_result"
+export RUNLINE="$AP_DECODE -c $SHORTENED_CAPFILE -s $((100000000/174)) -m SDCCH8 -t 1 -k 0x1E,0xF0,0x0B,0xAB,0x3B,0xAC,0x70,0x02 -v --ppm -10"
+echo "Testing with:"
+echo "  $RUNLINE"
+gnuradio-companion --version
+
+cd $TEST_DIR
+cat $CAPFILE | head -c -37000000 | head -c 35800000  > $SHORTENED_CAPFILE
+
+$RUNLINE | grep -A 999999 "862210 1331352:  03 03 01 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b" | tee $RESULT_OBTAINED
+diff -u $RESULT_EXPECTED $RESULT_OBTAINED
+TEST_RESULT=$?
+
+rm $RESULT_OBTAINED
+rm $SHORTENED_CAPFILE
+
+if [ $TEST_RESULT == 0 ]
+then
+  echo "   Result: PASSED"
+  exit 0
+else
+  echo "   Result: FAILED"
+  exit 1
+fi
+