added fuzz unittests, trying to import invalid binary keys using mangle.c by Ilja van Sprundel

tests/unittests.cfg

@@ -20,11 +20,12 @@
 #    You can contact me by mail: <tlinden AT cpan DOT org>.
 #
 
-pcp   = ../src/pcp1
-vault = v1
+pcp    = ../src/pcp1
+vault  = v1
 passwd = xxx
-md5msg   = 66b8c4ca9e5d2a7e3c0559c3cdea3d50
-
+md5msg = 66b8c4ca9e5d2a7e3c0559c3cdea3d50
+mangle = ./mangle
+verbose = 1
 include keys.cfg
 
 <test check-dependencies>
@@ -523,6 +524,38 @@ temporarily disabled
   expect = /Generated new secret key/
 </test>
 
+#
+# fuzz tests
+<test check-fuzz>
+  prepare = (echo F; echo F) | $pcp -V vfz -k -x a; \
+            $pcp -V vfz -p -O testfuzzP.orig -x a; \
+            $pcp -V vfz -s -O testfuzzS.orig -x a;
+  <test check-fuzz-binary-pubkey>
+    loop = 30
+    prepare = while :; do \
+                 cp testfuzzP.orig testfuzzP.pub; \
+                 $mangle testfuzzP.pub; \
+                 if ! diff testfuzzP.* > /dev/null 2>&1; then \
+                   break; \
+                 fi; \
+              done
+    cmd = echo no | $pcp -V vf -K -I testfuzzP.pub -x a
+    expect = !/added/
+  </test>
+  <test check-fuzz-binary-seckey>
+    loop = 30
+    prepare = while :; do \
+                 cp testfuzzS.orig testfuzzS.sec; \
+                 $mangle testfuzzS.sec; \
+                 if ! diff testfuzzS.* > /dev/null 2>&1; then \
+                   break; \
+                 fi; \
+              done
+    cmd = echo no | $pcp -V vf -K -I testfuzzS.sec -x a
+    expect = !/added/
+  </test>
+</test>
+
 
 #
 # test the c++ api