1 /*############################################################################
2 # Copyright 2017 Intel Corporation
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 /*
18 * Copyright (C) 2017 by Intel Corporation, All Rights Reserved.
19 *
20 * Redistribution and use in source and binary forms, with or without
21 * modification, are permitted provided that the following conditions are met:
22 *
23 * - Redistributions of source code must retain the above copyright notice,
24 * this list of conditions and the following disclaimer.
25 *
26 * - Redistributions in binary form must reproduce the above copyright
27 * notice, this list of conditions and the following disclaimer in the
28 * documentation and/or other materials provided with the distribution.
29 *
30 * - Neither the name of Intel Corporation nor the names of its contributors
31 * may be used to endorse or promote products derived from this software
32 * without specific prior written permission.
33 *
34 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
35 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
36 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
37 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
38 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
39 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
40 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
41 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
42 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
43 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
44 * POSSIBILITY OF SUCH DAMAGE.
45 */
46
47 /*
48 DESCRIPTION
49 This module tests the following SHA256 routines:
50
51 Scenarios tested include:
52 - NIST SHA256 test vectors
53 */
54 #include <gtest/gtest.h>
55
56 namespace {
57 extern "C" {
58 #include "epid/member/tiny/math/sha256.h"
59 }
60
TEST(TinySha256Test,tc_sha256_update_SucceedsGivenZeroMessageLength)61 TEST(TinySha256Test, tc_sha256_update_SucceedsGivenZeroMessageLength) {
62 const uint8_t expected[32] = {0xe3, 0xb0, 0xc4, 0x42, 0x98, 0xfc, 0x1c, 0x14,
63 0x9a, 0xfb, 0xf4, 0xc8, 0x99, 0x6f, 0xb9, 0x24,
64 0x27, 0xae, 0x41, 0xe4, 0x64, 0x9b, 0x93, 0x4c,
65 0xa4, 0x95, 0x99, 0x1b, 0x78, 0x52, 0xb8, 0x55};
66 const char* m = "";
67 sha256_state s;
68 uint8_t digest[32];
69 tc_sha256_init(&s);
70 tc_sha256_update(&s, (const uint8_t*)m, 0);
71 tc_sha256_final(digest, &s);
72 EXPECT_TRUE(0 == memcmp(expected, digest, sizeof(digest)))
73 << digest << std::endl
74 << expected;
75 }
76 /*
77 * NIST SHA256 test vector 1.
78 */
TEST(TinySha256Test,tc_sha256_WorksGivenNistTestVector1)79 TEST(TinySha256Test, tc_sha256_WorksGivenNistTestVector1) {
80 const uint8_t expected[32] = {0xba, 0x78, 0x16, 0xbf, 0x8f, 0x01, 0xcf, 0xea,
81 0x41, 0x41, 0x40, 0xde, 0x5d, 0xae, 0x22, 0x23,
82 0xb0, 0x03, 0x61, 0xa3, 0x96, 0x17, 0x7a, 0x9c,
83 0xb4, 0x10, 0xff, 0x61, 0xf2, 0x00, 0x15, 0xad};
84 const char* m = "abc";
85 uint8_t digest[32];
86 sha256_state s;
87
88 tc_sha256_init(&s);
89 tc_sha256_update(&s, (const uint8_t*)m, strlen(m));
90 tc_sha256_final(digest, &s);
91 EXPECT_TRUE(0 == memcmp(expected, digest, sizeof(digest)))
92 << digest << std::endl
93 << expected;
94 }
95
96 /*
97 * NIST SHA256 test vector 2.
98 */
TEST(TinySha256Test,tc_sha256_WorksGivenNistTestVector2)99 TEST(TinySha256Test, tc_sha256_WorksGivenNistTestVector2) {
100 const uint8_t expected[32] = {0x24, 0x8d, 0x6a, 0x61, 0xd2, 0x06, 0x38, 0xb8,
101 0xe5, 0xc0, 0x26, 0x93, 0x0c, 0x3e, 0x60, 0x39,
102 0xa3, 0x3c, 0xe4, 0x59, 0x64, 0xff, 0x21, 0x67,
103 0xf6, 0xec, 0xed, 0xd4, 0x19, 0xdb, 0x06, 0xc1};
104 const char* m = "abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq";
105 uint8_t digest[32];
106 sha256_state s;
107
108 tc_sha256_init(&s);
109 tc_sha256_update(&s, (const uint8_t*)m, strlen(m));
110 tc_sha256_final(digest, &s);
111 EXPECT_TRUE(0 == memcmp(expected, digest, sizeof(digest)))
112 << digest << std::endl
113 << expected;
114 }
115
TEST(TinySha256Test,tc_sha256_WorksGiven1NonZeroChar)116 TEST(TinySha256Test, tc_sha256_WorksGiven1NonZeroChar) {
117 const uint8_t expected[32] = {0x68, 0x32, 0x57, 0x20, 0xaa, 0xbd, 0x7c, 0x82,
118 0xf3, 0x0f, 0x55, 0x4b, 0x31, 0x3d, 0x05, 0x70,
119 0xc9, 0x5a, 0xcc, 0xbb, 0x7d, 0xc4, 0xb5, 0xaa,
120 0xe1, 0x12, 0x04, 0xc0, 0x8f, 0xfe, 0x73, 0x2b};
121 const uint8_t m[1] = {0xbd};
122 uint8_t digest[32];
123 sha256_state s;
124
125 tc_sha256_init(&s);
126 tc_sha256_update(&s, m, sizeof(m));
127 tc_sha256_final(digest, &s);
128 EXPECT_TRUE(0 == memcmp(expected, digest, sizeof(digest)))
129 << digest << std::endl
130 << expected;
131 }
132
TEST(TinySha256Test,tc_sha256_WorksGiven4NonZeroChars)133 TEST(TinySha256Test, tc_sha256_WorksGiven4NonZeroChars) {
134 const uint8_t expected[32] = {0x7a, 0xbc, 0x22, 0xc0, 0xae, 0x5a, 0xf2, 0x6c,
135 0xe9, 0x3d, 0xbb, 0x94, 0x43, 0x3a, 0x0e, 0x0b,
136 0x2e, 0x11, 0x9d, 0x01, 0x4f, 0x8e, 0x7f, 0x65,
137 0xbd, 0x56, 0xc6, 0x1c, 0xcc, 0xcd, 0x95, 0x04};
138 const uint8_t m[4] = {0xc9, 0x8c, 0x8e, 0x55};
139 uint8_t digest[32];
140 sha256_state s;
141
142 tc_sha256_init(&s);
143 tc_sha256_update(&s, m, sizeof(m));
144 tc_sha256_final(digest, &s);
145 EXPECT_TRUE(0 == memcmp(expected, digest, sizeof(digest)))
146 << digest << std::endl
147 << expected;
148 }
149
TEST(TinySha256Test,tc_sha256_WorksGiven55ZeroChars)150 TEST(TinySha256Test, tc_sha256_WorksGiven55ZeroChars) {
151 const uint8_t expected[32] = {0x02, 0x77, 0x94, 0x66, 0xcd, 0xec, 0x16, 0x38,
152 0x11, 0xd0, 0x78, 0x81, 0x5c, 0x63, 0x3f, 0x21,
153 0x90, 0x14, 0x13, 0x08, 0x14, 0x49, 0x00, 0x2f,
154 0x24, 0xaa, 0x3e, 0x80, 0xf0, 0xb8, 0x8e, 0xf7};
155 uint8_t m[55];
156 uint8_t digest[32];
157 sha256_state s;
158
159 (void)memset(m, 0x00, sizeof(m));
160
161 tc_sha256_init(&s);
162 tc_sha256_update(&s, m, sizeof(m));
163 tc_sha256_final(digest, &s);
164 EXPECT_TRUE(0 == memcmp(expected, digest, sizeof(digest)))
165 << digest << std::endl
166 << expected;
167 }
168
TEST(TinySha256Test,tc_sha256_WorksGiven56ZeroChars)169 TEST(TinySha256Test, tc_sha256_WorksGiven56ZeroChars) {
170 const uint8_t expected[32] = {0xd4, 0x81, 0x7a, 0xa5, 0x49, 0x76, 0x28, 0xe7,
171 0xc7, 0x7e, 0x6b, 0x60, 0x61, 0x07, 0x04, 0x2b,
172 0xbb, 0xa3, 0x13, 0x08, 0x88, 0xc5, 0xf4, 0x7a,
173 0x37, 0x5e, 0x61, 0x79, 0xbe, 0x78, 0x9f, 0xbb};
174 uint8_t m[56];
175 uint8_t digest[32];
176 sha256_state s;
177
178 (void)memset(m, 0x00, sizeof(m));
179
180 tc_sha256_init(&s);
181 tc_sha256_update(&s, m, sizeof(m));
182 tc_sha256_final(digest, &s);
183 EXPECT_TRUE(0 == memcmp(expected, digest, sizeof(digest)))
184 << digest << std::endl
185 << expected;
186 }
187
TEST(TinySha256Test,tc_sha256_WorksGiven57ZeroChars)188 TEST(TinySha256Test, tc_sha256_WorksGiven57ZeroChars) {
189 const uint8_t expected[32] = {0x65, 0xa1, 0x6c, 0xb7, 0x86, 0x13, 0x35, 0xd5,
190 0xac, 0xe3, 0xc6, 0x07, 0x18, 0xb5, 0x05, 0x2e,
191 0x44, 0x66, 0x07, 0x26, 0xda, 0x4c, 0xd1, 0x3b,
192 0xb7, 0x45, 0x38, 0x1b, 0x23, 0x5a, 0x17, 0x85};
193 uint8_t m[57];
194 uint8_t digest[32];
195 sha256_state s;
196
197 (void)memset(m, 0x00, sizeof(m));
198
199 tc_sha256_init(&s);
200 tc_sha256_update(&s, m, sizeof(m));
201 tc_sha256_final(digest, &s);
202 EXPECT_TRUE(0 == memcmp(expected, digest, sizeof(digest)))
203 << digest << std::endl
204 << expected;
205 }
206
TEST(TinySha256Test,tc_sha256_WorksGiven64ZeroChars)207 TEST(TinySha256Test, tc_sha256_WorksGiven64ZeroChars) {
208 const uint8_t expected[32] = {0xf5, 0xa5, 0xfd, 0x42, 0xd1, 0x6a, 0x20, 0x30,
209 0x27, 0x98, 0xef, 0x6e, 0xd3, 0x09, 0x97, 0x9b,
210 0x43, 0x00, 0x3d, 0x23, 0x20, 0xd9, 0xf0, 0xe8,
211 0xea, 0x98, 0x31, 0xa9, 0x27, 0x59, 0xfb, 0x4b};
212 uint8_t m[64];
213 uint8_t digest[32];
214 sha256_state s;
215
216 (void)memset(m, 0x00, sizeof(m));
217
218 tc_sha256_init(&s);
219 tc_sha256_update(&s, m, sizeof(m));
220 tc_sha256_final(digest, &s);
221 EXPECT_TRUE(0 == memcmp(expected, digest, sizeof(digest)))
222 << digest << std::endl
223 << expected;
224 }
225
TEST(TinySha256Test,tc_sha256_WorksGiven1000ZeroChars)226 TEST(TinySha256Test, tc_sha256_WorksGiven1000ZeroChars) {
227 const uint8_t expected[32] = {0x54, 0x1b, 0x3e, 0x9d, 0xaa, 0x09, 0xb2, 0x0b,
228 0xf8, 0x5f, 0xa2, 0x73, 0xe5, 0xcb, 0xd3, 0xe8,
229 0x01, 0x85, 0xaa, 0x4e, 0xc2, 0x98, 0xe7, 0x65,
230 0xdb, 0x87, 0x74, 0x2b, 0x70, 0x13, 0x8a, 0x53};
231 uint8_t m[1000];
232 uint8_t digest[32];
233 sha256_state s;
234
235 (void)memset(m, 0x00, sizeof(m));
236
237 tc_sha256_init(&s);
238 tc_sha256_update(&s, m, sizeof(m));
239 tc_sha256_final(digest, &s);
240 EXPECT_TRUE(0 == memcmp(expected, digest, sizeof(digest)))
241 << digest << std::endl
242 << expected;
243 }
244
TEST(TinySha256Test,tc_sha256_WorksGiven1000NonZeroChars)245 TEST(TinySha256Test, tc_sha256_WorksGiven1000NonZeroChars) {
246 const uint8_t expected[32] = {0xc2, 0xe6, 0x86, 0x82, 0x34, 0x89, 0xce, 0xd2,
247 0x01, 0x7f, 0x60, 0x59, 0xb8, 0xb2, 0x39, 0x31,
248 0x8b, 0x63, 0x64, 0xf6, 0xdc, 0xd8, 0x35, 0xd0,
249 0xa5, 0x19, 0x10, 0x5a, 0x1e, 0xad, 0xd6, 0xe4};
250 uint8_t m[1000];
251 uint8_t digest[32];
252 sha256_state s;
253
254 (void)memset(m, 0x41, sizeof(m));
255
256 tc_sha256_init(&s);
257 tc_sha256_update(&s, m, sizeof(m));
258 tc_sha256_final(digest, &s);
259 EXPECT_TRUE(0 == memcmp(expected, digest, sizeof(digest)))
260 << digest << std::endl
261 << expected;
262 }
263
TEST(TinySha256Test,tc_sha256_WorksGiven1005NonZeroChars)264 TEST(TinySha256Test, tc_sha256_WorksGiven1005NonZeroChars) {
265 const uint8_t expected[32] = {0xf4, 0xd6, 0x2d, 0xde, 0xc0, 0xf3, 0xdd, 0x90,
266 0xea, 0x13, 0x80, 0xfa, 0x16, 0xa5, 0xff, 0x8d,
267 0xc4, 0xc5, 0x4b, 0x21, 0x74, 0x06, 0x50, 0xf2,
268 0x4a, 0xfc, 0x41, 0x20, 0x90, 0x35, 0x52, 0xb0};
269 uint8_t m[1005];
270 uint8_t digest[32];
271 sha256_state s;
272
273 (void)memset(m, 0x55, sizeof(m));
274
275 tc_sha256_init(&s);
276 tc_sha256_update(&s, m, sizeof(m));
277 tc_sha256_final(digest, &s);
278 EXPECT_TRUE(0 == memcmp(expected, digest, sizeof(digest)))
279 << digest << std::endl
280 << expected;
281 }
282
TEST(TinySha256Test,tc_sha256_WorksGiven1000ZeroCharsUpdated1000Times)283 TEST(TinySha256Test, tc_sha256_WorksGiven1000ZeroCharsUpdated1000Times) {
284 const uint8_t expected[32] = {0xd2, 0x97, 0x51, 0xf2, 0x64, 0x9b, 0x32, 0xff,
285 0x57, 0x2b, 0x5e, 0x0a, 0x9f, 0x54, 0x1e, 0xa6,
286 0x60, 0xa5, 0x0f, 0x94, 0xff, 0x0b, 0xee, 0xdf,
287 0xb0, 0xb6, 0x92, 0xb9, 0x24, 0xcc, 0x80, 0x25};
288 uint8_t m[1000];
289 uint8_t digest[32];
290 sha256_state s;
291 unsigned int i;
292
293 (void)memset(m, 0x00, sizeof(m));
294
295 tc_sha256_init(&s);
296 for (i = 0; i < 1000; ++i) {
297 tc_sha256_update(&s, m, sizeof(m));
298 }
299 tc_sha256_final(digest, &s);
300 EXPECT_TRUE(0 == memcmp(expected, digest, sizeof(digest)))
301 << digest << std::endl
302 << expected;
303 }
304
TEST(TinySha256Test,DISABLED_SLOW_tc_sha256_WorksGiven32768NonZeroCharsUpdated16384Times)305 TEST(TinySha256Test,
306 DISABLED_SLOW_tc_sha256_WorksGiven32768NonZeroCharsUpdated16384Times) {
307 const uint8_t expected[32] = {0x15, 0xa1, 0x86, 0x8c, 0x12, 0xcc, 0x53, 0x95,
308 0x1e, 0x18, 0x23, 0x44, 0x27, 0x74, 0x47, 0xcd,
309 0x09, 0x79, 0x53, 0x6b, 0xad, 0xcc, 0x51, 0x2a,
310 0xd2, 0x4c, 0x67, 0xe9, 0xb2, 0xd4, 0xf3, 0xdd};
311 uint8_t m[32768];
312 uint8_t digest[32];
313 sha256_state s;
314 unsigned int i;
315
316 (void)memset(m, 0x5a, sizeof(m));
317
318 tc_sha256_init(&s);
319 for (i = 0; i < 16384; ++i) {
320 tc_sha256_update(&s, m, sizeof(m));
321 }
322 tc_sha256_final(digest, &s);
323 EXPECT_TRUE(0 == memcmp(expected, digest, sizeof(digest)))
324 << digest << std::endl
325 << expected;
326 }
327
TEST(TinySha256Test,DISABLED_SLOW_tc_sha256_WorksGiven32768NonZeroCharsUpdated33280Times)328 TEST(TinySha256Test,
329 DISABLED_SLOW_tc_sha256_WorksGiven32768NonZeroCharsUpdated33280Times) {
330 const uint8_t expected[32] = {0x46, 0x1c, 0x19, 0xa9, 0x3b, 0xd4, 0x34, 0x4f,
331 0x92, 0x15, 0xf5, 0xec, 0x64, 0x35, 0x70, 0x90,
332 0x34, 0x2b, 0xc6, 0x6b, 0x15, 0xa1, 0x48, 0x31,
333 0x7d, 0x27, 0x6e, 0x31, 0xcb, 0xc2, 0x0b, 0x53};
334 uint8_t m[32768];
335 uint8_t digest[32];
336 sha256_state s;
337 unsigned int i;
338
339 (void)memset(m, 0x00, sizeof(m));
340
341 tc_sha256_init(&s);
342 for (i = 0; i < 33280; ++i) {
343 tc_sha256_update(&s, m, sizeof(m));
344 }
345 tc_sha256_final(digest, &s);
346 EXPECT_TRUE(0 == memcmp(expected, digest, sizeof(digest)))
347 << digest << std::endl
348 << expected;
349 }
350 } // namespace
351