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hmac_tests.c
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1/*
2 * This library is free software; you can redistribute it and/or
3 * modify it under the terms of the GNU Lesser General Public
4 * License as published by the Free Software Foundation; either
5 * version 2.1 of the License, or (at your option) any later version.
6 *
7 * This library is distributed in the hope that it will be useful,
8 * but WITHOUT ANY WARRANTY; without even the implied warranty of
9 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
10 * Lesser General Public License for more details.
11 *
12 * You should have received a copy of the GNU Lesser General Public
13 * License along with this library; if not, write to the Free Software
14 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
15 */
16
17/** Tests for the internal hmac functions
18 *
19 * @file src/lib/util/hmac_tests.c
20 *
21 * @copyright 2021 Arran Cudbard-Bell <a.cudbardb@freeradius.org>
22 */
23
24#include <freeradius-devel/util/acutest.h>
25#include <freeradius-devel/util/acutest_helpers.h>
26#include <freeradius-devel/util/md5.h>
27#include <freeradius-devel/util/sha1.h>
28
29/*
30Test Vectors (Trailing '\0' of a character string not included in test):
31
32 key = 0x0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b
33 key_len = 16 bytes
34 data = "Hi There"
35 data_len = 8 bytes
36 digest = 0x9294727a3638bb1c13f48ef8158bfc9d
37
38 key = "Jefe"
39 data = "what do ya want for nothing?"
40 data_len = 28 bytes
41 digest = 0x750c783e6ab0b503eaa86e310a5db738
42
43 key = 0xAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
44
45 key_len 16 bytes
46 data = 0xDDDDDDDDDDDDDDDDDDDD...
47 ..DDDDDDDDDDDDDDDDDDDD...
48 ..DDDDDDDDDDDDDDDDDDDD...
49 ..DDDDDDDDDDDDDDDDDDDD...
50 ..DDDDDDDDDDDDDDDDDDDD
51 data_len = 50 bytes
52 digest = 0x56be34521d144c88dbb8c733f0e8b3f6
53*/
54static void test_hmac_md5(void)
55{
56 uint8_t digest[16];
57 uint8_t const *key;
58 int key_len;
59 uint8_t const *text;
60 int text_len;
61
62 /*
63 * Test 1
64 */
65 key = (uint8_t[]){
66 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b,
67 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b,
68 0x00
69 };
70 key_len = strlen((char const *)key);
71
72 text = (uint8_t const *)"Hi There";
73 text_len = strlen((char const *)text);
74
75 fr_hmac_md5(digest, text, text_len, key, key_len);
76
77 TEST_CHECK_RET(memcmp(digest,
78 (uint8_t[]){
79 0x92, 0x94, 0x72, 0x7a, 0x36, 0x38, 0xbb, 0x1c,
80 0x13, 0xf4, 0x8e, 0xf8, 0x15, 0x8b, 0xfc, 0x9d
81 },
82 sizeof(digest)), 0);
83
84 /*
85 * Test 2
86 */
87 key = (uint8_t const *)"Jefe";
88 key_len = strlen((char const *)key);
89
90 text = (uint8_t const *)"what do ya want for nothing?";
91 text_len = strlen((char const *)text);
92
93 fr_hmac_md5(digest, text, text_len, key, key_len);
94
95 TEST_CHECK_RET(memcmp(digest,
96 (uint8_t[]){
97 0x75, 0x0c, 0x78, 0x3e, 0x6a, 0xb0, 0xb5, 0x03,
98 0xea, 0xa8, 0x6e, 0x31, 0x0a, 0x5d, 0xb7, 0x38
99 },
100 sizeof(digest)), 0);
101
102 /*
103 * Test 3
104 */
105 key = (uint8_t[]){
106 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
107 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
108 0x00
109 };
110 key_len = strlen((char const *)key);
111
112 text = (uint8_t[]){
113 0xDD, 0xDD, 0xDD, 0xDD, 0xDD, 0xDD, 0xDD, 0xDD, 0xDD, 0xDD,
114 0xDD, 0xDD, 0xDD, 0xDD, 0xDD, 0xDD, 0xDD, 0xDD, 0xDD, 0xDD,
115 0xDD, 0xDD, 0xDD, 0xDD, 0xDD, 0xDD, 0xDD, 0xDD, 0xDD, 0xDD,
116 0xDD, 0xDD, 0xDD, 0xDD, 0xDD, 0xDD, 0xDD, 0xDD, 0xDD, 0xDD,
117 0xDD, 0xDD, 0xDD, 0xDD, 0xDD, 0xDD, 0xDD, 0xDD, 0xDD, 0xDD,
118 0x00
119 };
120 text_len = strlen((char const *)text);
121
122 fr_hmac_md5(digest, text, text_len, key, key_len);
123
124 TEST_CHECK_RET(memcmp(digest,
125 (uint8_t[]){
126 0x56, 0xbe, 0x34, 0x52, 0x1d, 0x14, 0x4c, 0x88,
127 0xdb, 0xb8, 0xc7, 0x33, 0xf0, 0xe8, 0xb3, 0xf6
128 },
129 sizeof(digest)), 0);
130}
131
132/*
133Test Vectors (Trailing '\0' of a character string not included in test):
134
135 key = "Jefe"
136 data = "what do ya want for nothing?"
137 data_len = 28 bytes
138 digest = 0xeffcdf6ae5eb2fa2d27416d5f184df9c259a7c79
139
140 key = 0xAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
141
142 key_len 16 bytes
143 data = 0xDDDDDDDDDDDDDDDDDDDD...
144 ..DDDDDDDDDDDDDDDDDDDD...
145 ..DDDDDDDDDDDDDDDDDDDD...
146 ..DDDDDDDDDDDDDDDDDDDD...
147 ..DDDDDDDDDDDDDDDDDDDD
148 data_len = 50 bytes
149 digest = 0xd730594d167e35d5956fd8003d0db3d3f46dc7bb
150*/
151static void test_hmac_sha1(void)
152{
153
154 uint8_t digest[20];
155 uint8_t const *key;
156 int key_len;
157 uint8_t const *text;
158 int text_len;
159
160 /*
161 * Test 1
162 */
163 key = (uint8_t const *)"Jefe";
164 key_len = strlen((char const *)key);
165
166 text = (uint8_t const *)"what do ya want for nothing?";
167 text_len = strlen((char const *)text);
168
169 fr_hmac_sha1(digest, text, text_len, key, key_len);
170
171 TEST_CHECK_RET(memcmp(digest,
172 (uint8_t[]){
173 0xef, 0xfc, 0xdf, 0x6a, 0xe5, 0xeb, 0x2f, 0xa2, 0xd2, 0x74,
174 0x16, 0xd5, 0xf1, 0x84, 0xdf, 0x9c, 0x25, 0x9a, 0x7c, 0x79
175 },
176 sizeof(digest)), 0);
177
178 /*
179 * Test 2
180 */
181 key = (uint8_t[]){
182 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
183 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
184 0x00
185 };
186 key_len = strlen((char const *)key);
187
188 text = (uint8_t[]){
189 0xDD, 0xDD, 0xDD, 0xDD, 0xDD, 0xDD, 0xDD, 0xDD, 0xDD, 0xDD,
190 0xDD, 0xDD, 0xDD, 0xDD, 0xDD, 0xDD, 0xDD, 0xDD, 0xDD, 0xDD,
191 0xDD, 0xDD, 0xDD, 0xDD, 0xDD, 0xDD, 0xDD, 0xDD, 0xDD, 0xDD,
192 0xDD, 0xDD, 0xDD, 0xDD, 0xDD, 0xDD, 0xDD, 0xDD, 0xDD, 0xDD,
193 0xDD, 0xDD, 0xDD, 0xDD, 0xDD, 0xDD, 0xDD, 0xDD, 0xDD, 0xDD,
194 0x00
195 };
196 text_len = strlen((char const *)text);
197
198 fr_hmac_sha1(digest, text, text_len, key, key_len);
199
200 TEST_CHECK_RET(memcmp(digest,
201 (uint8_t[]){
202 0xd7, 0x30, 0x59, 0x4d, 0x16, 0x7e, 0x35, 0xd5, 0x95, 0x6f,
203 0xd8, 0x00, 0x3d, 0x0d, 0xb3, 0xd3, 0xf4, 0x6d, 0xc7, 0xbb
204 },
205 sizeof(digest)), 0);
206}
207
208TEST_LIST = {
209 /*
210 * Allocation and management
211 */
212 { "hmac-md5", test_hmac_md5 },
213 { "hmac-sha1", test_hmac_sha1 },
214
215 { NULL }
216};
TEST_CHECK_RET
#define TEST_CHECK_RET(_got, _exp)
Definition acutest_helpers.h:55
fr_hmac_md5
int fr_hmac_md5(uint8_t digest[MD5_DIGEST_LENGTH], uint8_t const *in, size_t inlen, uint8_t const *key, size_t key_len)
Calculate HMAC using internal MD5 implementation.
Definition hmac_md5.c:119
fr_hmac_sha1
int fr_hmac_sha1(uint8_t digest[static SHA1_DIGEST_LENGTH], uint8_t const *in, size_t inlen, uint8_t const *key, size_t key_len)
Calculate HMAC using internal SHA1 implementation.
Definition hmac_sha1.c:124
TEST_LIST
TEST_LIST
Definition hmac_tests.c:208
test_hmac_md5
static void test_hmac_md5(void)
Definition hmac_tests.c:54
test_hmac_sha1
static void test_hmac_sha1(void)
Definition hmac_tests.c:151
uint8_t
unsigned char uint8_t
Definition merged_model.c:30
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