diff --git a/lora.py b/lora.py
index 3f4b392..07329bb 100644
--- a/lora.py
+++ b/lora.py
@@ -1576,19 +1576,36 @@ class TestLORAmain(unittest.TestCase):
 		init_key = X25519.gen()
 		resp_key = X25519.gen()
 
+		f = {}
+		for i in [ 'init', 'resp' ]:
+			key = locals()['%s_key' % i]
+
+			for j in [ 'pub', 'priv' ]:
+				data = getattr(key, 'get%s' % j)().hex()
+				file = self.basetempdir / ('%s_%s.key' % (i, j))
+				f['%s_%s_key_file' % (i, j)] = file
+
+				with file.open('w') as fp:
+					fp.write(data)
+
+		keys.append(('pk', (
+		    [ '-k', f['init_priv_key_file'],
+			'-p', f['resp_pub_key_file'] ],
+		    [ '-k', f['resp_priv_key_file'],
+			'-p', f['init_pub_key_file'] ]
+		)))
 		for name, (initargs, respargs) in keys:
-			with self.subTest(name=name):
+			# XXX - macosx specific library path var
+			with self.subTest(name=name), patch.dict(os.environ,
+			    dict(DYLD_LIBRARY_PATH=self.origcwd)):
 				self.run_program_keyargs(initargs, respargs)
 
 	def run_program_keyargs(self, initargs, respargs):
 		try:
-			# XXX - macosx specific library path var
-			with patch.dict(os.environ,
-			    dict(DYLD_LIBRARY_PATH=self.origcwd)):
-				resp = subprocess.Popen([ 'python', __file__,
-				    '-r', 'dummy:TestAttr.dummy_func' ] +
-				    respargs, stdin=DEVNULL, stderr=PIPE,
-				    stdout=PIPE)
+			resp = subprocess.Popen([ 'python', __file__,
+			    '-r', 'dummy:TestAttr.dummy_func' ] +
+			    respargs, stdin=DEVNULL, stderr=PIPE,
+			    stdout=PIPE)
 
 			init = subprocess.Popen([ 'python', __file__ ] +
 			    initargs + [ 'ping' ], stdin=DEVNULL, stderr=PIPE,
@@ -1608,10 +1625,12 @@ class TestLORAmain(unittest.TestCase):
 			self.assertEqual(errout, b'')
 
 		finally:
-			init.terminate()
+			init.kill()
 			_, errout = init.communicate()
+			#print(repr(errout))
+			#sys.stdout.flush()
 			self.assertEqual(errout, b'')
 
-			resp.terminate()
+			resp.kill()
 			_, errout = resp.communicate()
 			self.assertEqual(errout, b'')