1 // Copyright (C) 2011-2018 Internet Systems Consortium, Inc. ("ISC")
2 //
3 // This Source Code Form is subject to the terms of the Mozilla Public
4 // License, v. 2.0. If a copy of the MPL was not distributed with this
5 // file, You can obtain one at http://mozilla.org/MPL/2.0/.
6
7 #include <config.h>
8
9 #include <gtest/gtest.h>
10
11 #include <util/encode/hex.h>
12
13 #include <cryptolink/cryptolink.h>
14 #include <cryptolink/crypto_rng.h>
15
16 using namespace std;
17 using namespace isc::cryptolink;
18
19 // Test get version
TEST(CryptoLinkTest,Version)20 TEST(CryptoLinkTest, Version) {
21 EXPECT_NO_THROW(CryptoLink::getVersion());
22 }
23
24 // Tests whether getCryptoLink() returns a singleton instance
TEST(CryptoLinkTest,Singleton)25 TEST(CryptoLinkTest, Singleton) {
26 const CryptoLink& c1 = CryptoLink::getCryptoLink();
27 const CryptoLink& c2 = CryptoLink::getCryptoLink();
28 ASSERT_EQ(&c1, &c2);
29 }
30
31 // Tests whether getRNG() returns a global value
TEST(CryptoLinkTest,GlobalRNG)32 TEST(CryptoLinkTest, GlobalRNG) {
33 CryptoLink& c = CryptoLink::getCryptoLink();
34 RNGPtr rng1 = c.getRNG();
35 RNGPtr rng2 = c.getRNG();
36 ASSERT_EQ(rng1, rng2);
37 }
38
39 // Tests whether RNG works
TEST(CryptoLinkTest,RNG)40 TEST(CryptoLinkTest, RNG) {
41 RNGPtr rng = CryptoLink::getCryptoLink().getRNG();
42 vector<uint8_t> data;
43 ASSERT_NO_THROW(data = rng->random(16));
44 ASSERT_EQ(16, data.size());
45 vector<uint8_t> zero;
46 zero.resize(16);
47 EXPECT_NE(0, memcmp(&zero[0], &data[0], zero.size()));
48
49 // Retry with the function (vs method)
50 vector<uint8_t> dataf;
51 ASSERT_NO_THROW(dataf = random(16));
52 ASSERT_EQ(16, dataf.size());
53 EXPECT_NE(0, memcmp(&zero[0], &dataf[0], zero.size()));
54 EXPECT_NE(0, memcmp(&data[0], &dataf[0], zero.size()));
55 }
56