unit-tests: first NTRU test case

src/libstrongswan/plugins/ntru/Makefile.am

@@ -2,7 +2,7 @@ AM_CPPFLAGS = \
 	-I$(top_srcdir)/src/libstrongswan
 
 AM_CFLAGS = \
-	-rdynamic
+	-rdynamic @COVERAGE_CFLAGS@
 
 if MONOLITHIC
 noinst_LTLIBRARIES = libstrongswan-ntru.la

src/libstrongswan/tests/Makefile.am

@@ -39,7 +39,8 @@ tests_SOURCES = tests.h tests.c \
   suites/test_host.c \
   suites/test_pen.c \
   suites/test_asn1.c \
-  suites/test_printf.c
+  suites/test_printf.c \
+  suites/test_ntru.c
 
 tests_CFLAGS = \
   -I$(top_srcdir)/src/libstrongswan \

src/libstrongswan/tests/suites/test_ntru.c

@@ -0,0 +1,90 @@
+/*
+ * Copyright (C) 2013 Andreas Steffen
+ * HSR Hochschule fuer Technik Rapperswil
+ *
+ * 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 2 of the License, or (at your
+ * option) any later version.  See <http://www.fsf.org/copyleft/gpl.txt>.
+ *
+ * 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.
+ */
+
+#include "test_suite.h"
+
+/**
+ * NTRU parameter sets to test
+ */
+static struct {
+	diffie_hellman_group_t group;
+	char *group_name;
+} params[] = {
+	{ NTRU_112_BIT, "NTRU_112" },
+	{ NTRU_128_BIT, "NTRU_128" },
+	{ NTRU_192_BIT, "NTRU_192" },
+	{ NTRU_256_BIT, "NTRU_256" }
+};
+
+START_TEST(test_ke)
+{
+	chunk_t pub_key, cipher_text, i_shared_secret, r_shared_secret;
+	diffie_hellman_t *i_ntru, *r_ntru;
+	char buf[10];
+	int len;
+	status_t status;
+	
+	len = snprintf(buf, sizeof(buf), "%N", diffie_hellman_group_names,
+				   params[_i].group);
+	ck_assert(len == 8);
+	ck_assert(streq(buf, params[_i].group_name));
+
+	i_ntru = lib->crypto->create_dh(lib->crypto, params[_i].group);
+	ck_assert(i_ntru != NULL);
+	ck_assert(i_ntru->get_dh_group(i_ntru) == params[_i].group);
+
+	i_ntru->get_my_public_value(i_ntru, &pub_key);
+	ck_assert(pub_key.len > 0);
+
+	r_ntru = lib->crypto->create_dh(lib->crypto, params[_i].group);
+	ck_assert(r_ntru != NULL);
+
+	r_ntru->set_other_public_value(r_ntru, pub_key);
+	r_ntru->get_my_public_value(r_ntru, &cipher_text);
+	ck_assert(cipher_text.len > 0);
+
+	i_ntru->set_other_public_value(i_ntru, cipher_text);
+	status = i_ntru->get_shared_secret(i_ntru, &i_shared_secret);
+	ck_assert(status == SUCCESS);
+	ck_assert(i_shared_secret.len > 0);
+
+	status = r_ntru->get_shared_secret(r_ntru, &r_shared_secret);
+	ck_assert(status == SUCCESS);
+	ck_assert(r_shared_secret.len > 0);
+
+	ck_assert(chunk_equals(i_shared_secret, r_shared_secret));
+
+	chunk_clear(&i_shared_secret);
+	chunk_clear(&r_shared_secret);
+	chunk_free(&pub_key);
+	chunk_free(&cipher_text);
+	i_ntru->destroy(i_ntru);
+	r_ntru->destroy(r_ntru);
+}
+END_TEST
+
+Suite *ntru_suite_create()
+{
+	Suite *s;
+	TCase *tc;
+
+	s = suite_create("ntru");
+
+	tc = tcase_create("ke");
+	tcase_add_loop_test(tc, test_ke, 0, countof(params));
+	suite_add_tcase(s, tc);
+
+	return s;
+}

src/libstrongswan/tests/tests.h

@@ -34,3 +34,5 @@ TEST_SUITE(host_suite_create)
 TEST_SUITE(printf_suite_create)
 TEST_SUITE(pen_suite_create)
 TEST_SUITE(asn1_suite_create)
+TEST_SUITE_DEPEND(ntru_suite_create, CUSTOM, "ntru-rng")
+