diff --git a/test/afl/fuzzing-wrappers/helpers/fwknopd-enc-pkt-file.sh b/test/afl/fuzzing-wrappers/helpers/fwknopd-enc-pkt-file.sh
new file mode 100755
index 00000000..bba9c18e
--- /dev/null
+++ b/test/afl/fuzzing-wrappers/helpers/fwknopd-enc-pkt-file.sh
@@ -0,0 +1,5 @@
+#!/bin/sh -x
+
+LD_LIBRARY_PATH=../../lib/.libs ../../server/.libs/fwknopd -c ../conf/default_fwknopd.conf -a ../conf/default_access.conf -A --afl-pkt-file test-cases/enc-pkts/spa.enc -f -t
+
+exit $?
diff --git a/test/afl/fuzzing-wrappers/server-enc-pkts.sh b/test/afl/fuzzing-wrappers/server-enc-pkts.sh
new file mode 100755
index 00000000..6de58aaa
--- /dev/null
+++ b/test/afl/fuzzing-wrappers/server-enc-pkts.sh
@@ -0,0 +1,43 @@
+#!/bin/sh -x
+
+#
+# Fuzz SPA packet encoding/decoding
+#
+
+. ./fuzzing-wrappers/fcns
+
+FDIR="enc-pkts.out"
+OUT_DIR="$TOP_DIR/$FDIR"
+PREV_OUT_DIR=''
+IN_DIR="test-cases/enc-pkts"
+
+### build up our afl-fuzz text banner
+TSTR="fwknopd,SPA,encrypt/decrypt"
+GIT_STR=''
+git_banner GIT_STR
+BANNER="$TSTR$GIT_STR"
+
+### set up directories
+dir_init $ARCHIVE_DIR $FDIR $OUT_DIR PREV_OUT_DIR
+
+### support resuming from a previous run
+if [ $@ ] && [ "$1" = "resume" ]
+then
+    IN_DIR=$PREV_OUT_DIR
+fi
+
+### make sure that reading a packet works (this is expected to error
+### out though since base64 decoding is short-circuited when AFL
+### support is compiled in).
+./fuzzing-wrappers/helpers/fwknopd-enc-pkt-file.sh
+
+LD_LIBRARY_PATH=$LIB_DIR afl-fuzz \
+    -T $BANNER -t 1000 -i $IN_DIR \
+    -o $OUT_DIR -f $OUT_DIR/afl_enc_pkt.data $SERVER \
+    -c ../conf/default_fwknopd.conf \
+    -a ../conf/default_access.conf \
+    -O ../conf/override_no_digest_tracking_fwknopd.conf \
+    -A --afl-pkt-file $OUT_DIR/afl_enc_pkt.data \
+    -f -t -v -v -v -r `pwd`/run
+
+exit $?
diff --git a/test/afl/test-cases/enc-pkts/spa.enc b/test/afl/test-cases/enc-pkts/spa.enc
new file mode 100644
index 00000000..25dc1782
--- /dev/null
+++ b/test/afl/test-cases/enc-pkts/spa.enc
@@ -0,0 +1,3 @@
+Salted__+1���m*��N�j����NĬ�8���N:��H:u~���D
+�H��9/��ri
ـLGrv�M�Ą���]�M��up���P��t��f�n
+�6�����(ʺ��ڷ��G�Mt�x�
\ No newline at end of file