1 /* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 8; tab-width: 8 -*- */
2 /* test-dh.c: Test egg-dh.c
4 Copyright (C) 2009 Stefan Walter
6 The Gnome Keyring Library is free software; you can redistribute it and/or
7 modify it under the terms of the GNU Library General Public License as
8 published by the Free Software Foundation; either version 2 of the
9 License, or (at your option) any later version.
11 The Gnome Keyring Library is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 Library General Public License for more details.
16 You should have received a copy of the GNU Library General Public
17 License along with the Gnome Library; see the file COPYING.LIB. If not,
18 write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
19 Boston, MA 02111-1307, USA.
21 Author: Stef Walter <stef@memberwebs.com>
26 #include "egg/egg-dh.h"
27 #include "egg/egg-secure-memory.h"
28 #include "egg/egg-testing.h"
37 EGG_SECURE_DEFINE_GLIB_GLOBALS ();
49 /* Load up the parameters */
50 if (!egg_dh_default_params ("ietf-ike-grp-modp-768", &p, &g))
51 g_assert_not_reached ();
53 /* Generate secrets */
54 ret = egg_dh_gen_pair (p, g, 0, &X1, &x1);
56 ret = egg_dh_gen_pair (p, g, 0, &X2, &x2);
60 k1 = egg_dh_gen_secret (X2, x1, p, &n1);
62 k2 = egg_dh_gen_secret (X1, x2, p, &n2);
65 /* Keys must be the same */
66 egg_assert_cmpsize (n1, ==, n2);
67 g_assert (memcmp (k1, k2, n1) == 0);
71 gcry_mpi_release (x1);
72 gcry_mpi_release (X1);
74 gcry_mpi_release (x2);
75 gcry_mpi_release (X2);
80 test_short_pair (void)
86 /* Load up the parameters */
87 ret = egg_dh_default_params ("ietf-ike-grp-modp-1024", &p, &g);
89 g_assert_cmpuint (gcry_mpi_get_nbits (p), ==, 1024);
91 /* Generate secrets */
92 ret = egg_dh_gen_pair (p, g, 512, &X1, &x1);
94 g_assert_cmpuint (gcry_mpi_get_nbits (x1), <=, 512);
98 gcry_mpi_release (x1);
99 gcry_mpi_release (X1);
103 check_dh_default (const gchar *name, guint bits)
106 gcry_mpi_t p, g, check;
107 gconstpointer prime, base;
108 gsize n_prime, n_base;
111 ret = egg_dh_default_params (name, &p, &g);
113 g_assert_cmpint (gcry_mpi_get_nbits (p), ==, bits);
114 g_assert_cmpint (gcry_mpi_get_nbits (g), <, gcry_mpi_get_nbits (p));
116 ret = egg_dh_default_params_raw (name, &prime, &n_prime, &base, &n_base);
118 g_assert (prime != NULL);
119 egg_assert_cmpsize (n_prime, >, 0);
120 g_assert (base != NULL);
121 egg_assert_cmpsize (n_base, >, 0);
123 gcry = gcry_mpi_scan (&check, GCRYMPI_FMT_USG, prime, n_prime, NULL);
124 g_assert (gcry == 0);
125 g_assert (gcry_mpi_cmp (check, p) == 0);
126 gcry_mpi_release (check);
128 gcry = gcry_mpi_scan (&check, GCRYMPI_FMT_USG, base, n_base, NULL);
129 g_assert (gcry == 0);
130 g_assert (gcry_mpi_cmp (check, g) == 0);
131 gcry_mpi_release (check);
133 gcry_mpi_release (p);
134 gcry_mpi_release (g);
138 test_default_768 (void)
140 check_dh_default ("ietf-ike-grp-modp-768", 768);
144 test_default_1024 (void)
146 check_dh_default ("ietf-ike-grp-modp-1024", 1024);
150 test_default_1536 (void)
152 check_dh_default ("ietf-ike-grp-modp-1536", 1536);
156 test_default_2048 (void)
158 check_dh_default ("ietf-ike-grp-modp-2048", 2048);
162 test_default_3072 (void)
164 check_dh_default ("ietf-ike-grp-modp-3072", 3072);
168 test_default_4096 (void)
170 check_dh_default ("ietf-ike-grp-modp-4096", 4096);
174 test_default_8192 (void)
176 check_dh_default ("ietf-ike-grp-modp-8192", 8192);
180 test_default_bad (void)
185 ret = egg_dh_default_params ("bad-name", &p, &g);
190 main (int argc, char **argv)
192 g_test_init (&argc, &argv, NULL);
194 if (!g_test_quick ()) {
195 g_test_add_func ("/dh/perform", test_perform);
196 g_test_add_func ("/dh/short_pair", test_short_pair);
199 g_test_add_func ("/dh/default_768", test_default_768);
200 g_test_add_func ("/dh/default_1024", test_default_1024);
201 g_test_add_func ("/dh/default_1536", test_default_1536);
202 g_test_add_func ("/dh/default_2048", test_default_2048);
203 g_test_add_func ("/dh/default_3072", test_default_3072);
204 g_test_add_func ("/dh/default_4096", test_default_4096);
205 g_test_add_func ("/dh/default_8192", test_default_8192);
206 g_test_add_func ("/dh/default_bad", test_default_bad);
208 return g_test_run ();