1 /*
2  * Copyright 2015 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 #include <keymaster/km_openssl/kdf1.h>
18 #include <gtest/gtest.h>
19 #include <string.h>
20 
21 #include "android_keymaster_test_utils.h"
22 
23 using std::string;
24 
25 namespace keymaster {
26 
27 namespace test {
28 
29 struct Kdf1Test {
30     const char* key_hex;
31     const char* expected_output_hex;
32     keymaster_digest_t digest_type;
33 };
34 
35 static const Kdf1Test kKdf1Tests[] = {
36     {"032e45326fa859a72ec235acff929b15d1372e30b207255f0611b8f785d764374152e0ac009e509e7ba30cd2f1778"
37      "e113b64e135cf4e2292c75efe5288edfda4",
38      "5f8de105b5e96b2e490ddecbd147dd1def7e3b8e0e6a26eb7b956ccb8b3bdc1ca975bc57c3989e8fbad31a224655d"
39      "800c46954840ff32052cdf0d640562bdfadfa263cfccf3c52b29f2af4a1869959bc77f854cf15bd7a25192985a842"
40      "dbff8e13efee5b7e7e55bbe4d389647c686a9a9ab3fb889b2d7767d3837eea4e0a2f04",
41      KM_DIGEST_SHA1}};
42 
43 TEST(Kdf1Test, Kdf1) {
44     for (auto& test : kKdf1Tests) {
45         const string key = hex2str(test.key_hex);
46         const string expected_output = hex2str(test.expected_output_hex);
47         size_t output_len = expected_output.size();
48         uint8_t output[output_len];
49 
50         Kdf1 kdf1;
51         ASSERT_TRUE(
52             kdf1.Init(test.digest_type, reinterpret_cast<const uint8_t*>(key.data()), key.size()));
53         ASSERT_TRUE(kdf1.GenerateKey(nullptr, 0, output, output_len));
54         EXPECT_EQ(0, memcmp(output, expected_output.data(), output_len));
55     }
56 }
57 
58 }  // namespace test
59 
60 }  // namespace keymaster
61