path: root/unit_test/hmac_test.cpp (plain)
blob: 04f9356189bb5fbc1e09a3cf4bee0347f510cd6a

1	/*
2	* Copyright (C) 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 "hmac.h"
18
19	#include <gtest/gtest.h>
20	#include <string.h>
21
22	#include "android_keymaster_test_utils.h"
23
24	using std::string;
25
26	namespace keymaster {
27
28	namespace test {
29
30	struct HmacTest {
31	const char* data;
32	const char* key;
33	uint8_t digest[32];
34	};
35
36	static const HmacTest kHmacTests[] = {
37	{
38	"Test Using Larger Than Block-Size Key - Hash Key First",
39	"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
40	"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
41	"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
42	"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa",
43	{
44	0x60, 0xe4, 0x31, 0x59, 0x1e, 0xe0, 0xb6, 0x7f, 0x0d, 0x8a, 0x26, 0xaa, 0xcb, 0xf5,
45	0xb7, 0x7f, 0x8e, 0x0b, 0xc6, 0x21, 0x37, 0x28, 0xc5, 0x14, 0x05, 0x46, 0x04, 0x0f,
46	0x0e, 0xe3, 0x7f, 0x54,
47	},
48	},
49	{
50	"The test message for the MD2, MD5, and SHA-1 hashing algorithms.",
51	"46697265666f7820616e64205468756e64657242697264206172652061776573"
52	"6f6d652100",
53	{
54	0x05, 0x75, 0x9a, 0x9e, 0x70, 0x5e, 0xe7, 0x44, 0xe2, 0x46, 0x4b, 0x92, 0x22, 0x14,
55	0x22, 0xe0, 0x1b, 0x92, 0x8a, 0x0c, 0xfe, 0xf5, 0x49, 0xe9, 0xa7, 0x1b, 0x56, 0x7d,
56	0x1d, 0x29, 0x40, 0x48,
57	},
58	},
59	};
60
61	TEST(HmacTest, SHA256) {
62	for (size_t i = 0; i < 2; i++) {
63	const HmacTest& test(kHmacTests[i]);
64
65	HmacSha256 hmac;
66	const string key = hex2str(test.key);
67	Buffer key_buffer(key.data(), key.size());
68	ASSERT_TRUE(hmac.Init(key_buffer));
69
70	uint8_t digest_copy[sizeof(test.digest)];
71	memcpy(digest_copy, test.digest, sizeof(test.digest));
72	Buffer digest_buffer(reinterpret_cast<uint8_t*>(digest_copy), sizeof(digest_copy));
73
74	Buffer data_buffer(test.data, strlen(test.data));
75	EXPECT_TRUE(hmac.Verify(data_buffer, digest_buffer));
76
77	digest_copy[16] ^= 0x80;
78	digest_buffer.Reinitialize(reinterpret_cast<uint8_t*>(digest_copy), sizeof(digest_copy));
79	EXPECT_FALSE(hmac.Verify(data_buffer, digest_buffer));
80	}
81	}
82
83	} // namespace test
84	} // namespace keymaster
85