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440e5d80 | 1 | /* |
ad887416 | 2 | * Copyright 2006-2017 The OpenSSL Project Authors. All Rights Reserved. |
aa6d1a0c | 3 | * |
440e5d80 RS |
4 | * Licensed under the OpenSSL license (the "License"). You may not use |
5 | * this file except in compliance with the License. You can obtain a copy | |
6 | * in the file LICENSE in the source distribution or at | |
7 | * https://www.openssl.org/source/license.html | |
aa6d1a0c BL |
8 | */ |
9 | ||
a3654f05 | 10 | #include <openssl/crypto.h> |
aa6d1a0c BL |
11 | #include <openssl/aes.h> |
12 | #include <openssl/rand.h> | |
13 | #include <stdio.h> | |
14 | #include <string.h> | |
176db6dc | 15 | #include "internal/nelem.h" |
0e534337 | 16 | #include "testutil.h" |
aa6d1a0c | 17 | |
0f113f3e | 18 | #define TEST_SIZE 128 |
aa6d1a0c BL |
19 | #define BIG_TEST_SIZE 10240 |
20 | ||
0e534337 P |
21 | #if BIG_TEST_SIZE < TEST_SIZE |
22 | #error BIG_TEST_SIZE is smaller than TEST_SIZE | |
23 | #endif | |
24 | ||
25 | static unsigned char rkey[16]; | |
26 | static unsigned char rkey2[16]; | |
27 | static unsigned char plaintext[BIG_TEST_SIZE]; | |
28 | static unsigned char saved_iv[AES_BLOCK_SIZE * 4]; | |
29 | ||
0f113f3e MC |
30 | #define MAX_VECTOR_SIZE 64 |
31 | ||
32 | struct ige_test { | |
33 | const unsigned char key[16]; | |
34 | const unsigned char iv[32]; | |
35 | const unsigned char in[MAX_VECTOR_SIZE]; | |
36 | const unsigned char out[MAX_VECTOR_SIZE]; | |
37 | const size_t length; | |
38 | const int encrypt; | |
39 | }; | |
aa6d1a0c BL |
40 | |
41 | static struct ige_test const ige_test_vectors[] = { | |
0f113f3e MC |
42 | {{0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, |
43 | 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f}, /* key */ | |
44 | {0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, | |
45 | 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, | |
46 | 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, | |
47 | 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f}, /* iv */ | |
48 | {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
49 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
50 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
51 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, /* in */ | |
52 | {0x1a, 0x85, 0x19, 0xa6, 0x55, 0x7b, 0xe6, 0x52, | |
53 | 0xe9, 0xda, 0x8e, 0x43, 0xda, 0x4e, 0xf4, 0x45, | |
54 | 0x3c, 0xf4, 0x56, 0xb4, 0xca, 0x48, 0x8a, 0xa3, | |
55 | 0x83, 0xc7, 0x9c, 0x98, 0xb3, 0x47, 0x97, 0xcb}, /* out */ | |
56 | 32, AES_ENCRYPT}, /* test vector 0 */ | |
57 | ||
58 | {{0x54, 0x68, 0x69, 0x73, 0x20, 0x69, 0x73, 0x20, | |
59 | 0x61, 0x6e, 0x20, 0x69, 0x6d, 0x70, 0x6c, 0x65}, /* key */ | |
60 | {0x6d, 0x65, 0x6e, 0x74, 0x61, 0x74, 0x69, 0x6f, | |
61 | 0x6e, 0x20, 0x6f, 0x66, 0x20, 0x49, 0x47, 0x45, | |
62 | 0x20, 0x6d, 0x6f, 0x64, 0x65, 0x20, 0x66, 0x6f, | |
63 | 0x72, 0x20, 0x4f, 0x70, 0x65, 0x6e, 0x53, 0x53}, /* iv */ | |
64 | {0x4c, 0x2e, 0x20, 0x4c, 0x65, 0x74, 0x27, 0x73, | |
65 | 0x20, 0x68, 0x6f, 0x70, 0x65, 0x20, 0x42, 0x65, | |
66 | 0x6e, 0x20, 0x67, 0x6f, 0x74, 0x20, 0x69, 0x74, | |
67 | 0x20, 0x72, 0x69, 0x67, 0x68, 0x74, 0x21, 0x0a}, /* in */ | |
68 | {0x99, 0x70, 0x64, 0x87, 0xa1, 0xcd, 0xe6, 0x13, | |
69 | 0xbc, 0x6d, 0xe0, 0xb6, 0xf2, 0x4b, 0x1c, 0x7a, | |
70 | 0xa4, 0x48, 0xc8, 0xb9, 0xc3, 0x40, 0x3e, 0x34, | |
71 | 0x67, 0xa8, 0xca, 0xd8, 0x93, 0x40, 0xf5, 0x3b}, /* out */ | |
72 | 32, AES_DECRYPT}, /* test vector 1 */ | |
aa6d1a0c BL |
73 | }; |
74 | ||
0f113f3e MC |
75 | struct bi_ige_test { |
76 | const unsigned char key1[32]; | |
77 | const unsigned char key2[32]; | |
78 | const unsigned char iv[64]; | |
79 | const unsigned char in[MAX_VECTOR_SIZE]; | |
80 | const unsigned char out[MAX_VECTOR_SIZE]; | |
81 | const size_t keysize; | |
82 | const size_t length; | |
83 | const int encrypt; | |
84 | }; | |
aa6d1a0c BL |
85 | |
86 | static struct bi_ige_test const bi_ige_test_vectors[] = { | |
0f113f3e MC |
87 | {{0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, |
88 | 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f}, /* key1 */ | |
89 | {0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, | |
90 | 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f}, /* key2 */ | |
91 | {0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, | |
92 | 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, | |
93 | 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, | |
94 | 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f, | |
95 | 0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27, | |
96 | 0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e, 0x2f, | |
97 | 0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, | |
98 | 0x38, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, 0x3f}, /* iv */ | |
99 | {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
100 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
101 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
102 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, /* in */ | |
103 | {0x14, 0x40, 0x6f, 0xae, 0xa2, 0x79, 0xf2, 0x56, | |
104 | 0x1f, 0x86, 0xeb, 0x3b, 0x7d, 0xff, 0x53, 0xdc, | |
105 | 0x4e, 0x27, 0x0c, 0x03, 0xde, 0x7c, 0xe5, 0x16, | |
106 | 0x6a, 0x9c, 0x20, 0x33, 0x9d, 0x33, 0xfe, 0x12}, /* out */ | |
107 | 16, 32, AES_ENCRYPT}, /* test vector 0 */ | |
108 | {{0x58, 0x0a, 0x06, 0xe9, 0x97, 0x07, 0x59, 0x5c, | |
109 | 0x9e, 0x19, 0xd2, 0xa7, 0xbb, 0x40, 0x2b, 0x7a, | |
110 | 0xc7, 0xd8, 0x11, 0x9e, 0x4c, 0x51, 0x35, 0x75, | |
111 | 0x64, 0x28, 0x0f, 0x23, 0xad, 0x74, 0xac, 0x37}, /* key1 */ | |
112 | {0xd1, 0x80, 0xa0, 0x31, 0x47, 0xa3, 0x11, 0x13, | |
113 | 0x86, 0x26, 0x9e, 0x6d, 0xff, 0xaf, 0x72, 0x74, | |
114 | 0x5b, 0xa2, 0x35, 0x81, 0xd2, 0xa6, 0x3d, 0x21, | |
115 | 0x67, 0x7b, 0x58, 0xa8, 0x18, 0xf9, 0x72, 0xe4}, /* key2 */ | |
116 | {0x80, 0x3d, 0xbd, 0x4c, 0xe6, 0x7b, 0x06, 0xa9, | |
117 | 0x53, 0x35, 0xd5, 0x7e, 0x71, 0xc1, 0x70, 0x70, | |
118 | 0x74, 0x9a, 0x00, 0x28, 0x0c, 0xbf, 0x6c, 0x42, | |
119 | 0x9b, 0xa4, 0xdd, 0x65, 0x11, 0x77, 0x7c, 0x67, | |
120 | 0xfe, 0x76, 0x0a, 0xf0, 0xd5, 0xc6, 0x6e, 0x6a, | |
121 | 0xe7, 0x5e, 0x4c, 0xf2, 0x7e, 0x9e, 0xf9, 0x20, | |
122 | 0x0e, 0x54, 0x6f, 0x2d, 0x8a, 0x8d, 0x7e, 0xbd, | |
123 | 0x48, 0x79, 0x37, 0x99, 0xff, 0x27, 0x93, 0xa3}, /* iv */ | |
124 | {0xf1, 0x54, 0x3d, 0xca, 0xfe, 0xb5, 0xef, 0x1c, | |
125 | 0x4f, 0xa6, 0x43, 0xf6, 0xe6, 0x48, 0x57, 0xf0, | |
126 | 0xee, 0x15, 0x7f, 0xe3, 0xe7, 0x2f, 0xd0, 0x2f, | |
127 | 0x11, 0x95, 0x7a, 0x17, 0x00, 0xab, 0xa7, 0x0b, | |
128 | 0xbe, 0x44, 0x09, 0x9c, 0xcd, 0xac, 0xa8, 0x52, | |
129 | 0xa1, 0x8e, 0x7b, 0x75, 0xbc, 0xa4, 0x92, 0x5a, | |
130 | 0xab, 0x46, 0xd3, 0x3a, 0xa0, 0xd5, 0x35, 0x1c, | |
131 | 0x55, 0xa4, 0xb3, 0xa8, 0x40, 0x81, 0xa5, 0x0b}, /* in */ | |
132 | {0x42, 0xe5, 0x28, 0x30, 0x31, 0xc2, 0xa0, 0x23, | |
133 | 0x68, 0x49, 0x4e, 0xb3, 0x24, 0x59, 0x92, 0x79, | |
134 | 0xc1, 0xa5, 0xcc, 0xe6, 0x76, 0x53, 0xb1, 0xcf, | |
135 | 0x20, 0x86, 0x23, 0xe8, 0x72, 0x55, 0x99, 0x92, | |
136 | 0x0d, 0x16, 0x1c, 0x5a, 0x2f, 0xce, 0xcb, 0x51, | |
137 | 0xe2, 0x67, 0xfa, 0x10, 0xec, 0xcd, 0x3d, 0x67, | |
138 | 0xa5, 0xe6, 0xf7, 0x31, 0x26, 0xb0, 0x0d, 0x76, | |
139 | 0x5e, 0x28, 0xdc, 0x7f, 0x01, 0xc5, 0xa5, 0x4c}, /* out */ | |
140 | 32, 64, AES_ENCRYPT}, /* test vector 1 */ | |
aa6d1a0c BL |
141 | |
142 | }; | |
143 | ||
0e534337 | 144 | static int test_ige_vectors(int n) |
0f113f3e | 145 | { |
0e534337 P |
146 | const struct ige_test *const v = &ige_test_vectors[n]; |
147 | AES_KEY key; | |
148 | unsigned char buf[MAX_VECTOR_SIZE]; | |
149 | unsigned char iv[AES_BLOCK_SIZE * 2]; | |
150 | int testresult = 1; | |
151 | ||
152 | if (!TEST_int_le(v->length, MAX_VECTOR_SIZE)) | |
153 | return 0; | |
154 | ||
155 | if (v->encrypt == AES_ENCRYPT) | |
156 | AES_set_encrypt_key(v->key, 8 * sizeof v->key, &key); | |
157 | else | |
158 | AES_set_decrypt_key(v->key, 8 * sizeof v->key, &key); | |
159 | memcpy(iv, v->iv, sizeof iv); | |
160 | AES_ige_encrypt(v->in, buf, v->length, &key, iv, v->encrypt); | |
161 | ||
162 | if (!TEST_mem_eq(v->out, v->length, buf, v->length)) { | |
163 | TEST_info("IGE test vector %d failed", n); | |
37916462 P |
164 | test_output_memory("key", v->key, sizeof v->key); |
165 | test_output_memory("iv", v->iv, sizeof v->iv); | |
166 | test_output_memory("in", v->in, v->length); | |
0e534337 | 167 | testresult = 0; |
0f113f3e MC |
168 | } |
169 | ||
0e534337 P |
170 | /* try with in == out */ |
171 | memcpy(iv, v->iv, sizeof iv); | |
172 | memcpy(buf, v->in, v->length); | |
173 | AES_ige_encrypt(buf, buf, v->length, &key, iv, v->encrypt); | |
174 | ||
175 | if (!TEST_mem_eq(v->out, v->length, buf, v->length)) { | |
176 | TEST_info("IGE test vector %d failed (with in == out)", n); | |
37916462 P |
177 | test_output_memory("key", v->key, sizeof v->key); |
178 | test_output_memory("iv", v->iv, sizeof v->iv); | |
179 | test_output_memory("in", v->in, v->length); | |
0e534337 | 180 | testresult = 0; |
0f113f3e MC |
181 | } |
182 | ||
0e534337 | 183 | return testresult; |
0f113f3e | 184 | } |
aa6d1a0c | 185 | |
0e534337 | 186 | static int test_bi_ige_vectors(int n) |
0f113f3e | 187 | { |
0e534337 P |
188 | const struct bi_ige_test *const v = &bi_ige_test_vectors[n]; |
189 | AES_KEY key1; | |
0f113f3e | 190 | AES_KEY key2; |
0e534337 | 191 | unsigned char buf[MAX_VECTOR_SIZE]; |
0f113f3e | 192 | |
0e534337 P |
193 | if (!TEST_int_le(v->length, MAX_VECTOR_SIZE)) |
194 | return 0; | |
0f113f3e | 195 | |
0e534337 P |
196 | if (v->encrypt == AES_ENCRYPT) { |
197 | AES_set_encrypt_key(v->key1, 8 * v->keysize, &key1); | |
198 | AES_set_encrypt_key(v->key2, 8 * v->keysize, &key2); | |
199 | } else { | |
200 | AES_set_decrypt_key(v->key1, 8 * v->keysize, &key1); | |
201 | AES_set_decrypt_key(v->key2, 8 * v->keysize, &key2); | |
202 | } | |
0f113f3e | 203 | |
0e534337 P |
204 | AES_bi_ige_encrypt(v->in, buf, v->length, &key1, &key2, v->iv, |
205 | v->encrypt); | |
0f113f3e | 206 | |
0e534337 | 207 | if (!TEST_mem_eq(v->out, v->length, buf, v->length)) { |
37916462 P |
208 | test_output_memory("key 1", v->key1, sizeof v->key1); |
209 | test_output_memory("key 2", v->key2, sizeof v->key2); | |
210 | test_output_memory("iv", v->iv, sizeof v->iv); | |
211 | test_output_memory("in", v->in, v->length); | |
0e534337 P |
212 | return 0; |
213 | } | |
214 | ||
215 | return 1; | |
216 | } | |
217 | ||
218 | static int test_ige_enc_dec(void) | |
219 | { | |
220 | AES_KEY key; | |
221 | unsigned char iv[AES_BLOCK_SIZE * 4]; | |
222 | unsigned char ciphertext[BIG_TEST_SIZE]; | |
223 | unsigned char checktext[BIG_TEST_SIZE]; | |
224 | ||
225 | memcpy(iv, saved_iv, sizeof iv); | |
0f113f3e MC |
226 | AES_set_encrypt_key(rkey, 8 * sizeof rkey, &key); |
227 | AES_ige_encrypt(plaintext, ciphertext, TEST_SIZE, &key, iv, AES_ENCRYPT); | |
228 | ||
229 | AES_set_decrypt_key(rkey, 8 * sizeof rkey, &key); | |
230 | memcpy(iv, saved_iv, sizeof iv); | |
231 | AES_ige_encrypt(ciphertext, checktext, TEST_SIZE, &key, iv, AES_DECRYPT); | |
232 | ||
0e534337 P |
233 | return TEST_mem_eq(checktext, TEST_SIZE, plaintext, TEST_SIZE); |
234 | } | |
235 | ||
236 | static int test_ige_enc_chaining(void) | |
237 | { | |
238 | AES_KEY key; | |
239 | unsigned char iv[AES_BLOCK_SIZE * 4]; | |
240 | unsigned char ciphertext[BIG_TEST_SIZE]; | |
241 | unsigned char checktext[BIG_TEST_SIZE]; | |
0f113f3e | 242 | |
0f113f3e MC |
243 | AES_set_encrypt_key(rkey, 8 * sizeof rkey, &key); |
244 | memcpy(iv, saved_iv, sizeof iv); | |
245 | AES_ige_encrypt(plaintext, ciphertext, TEST_SIZE / 2, &key, iv, | |
246 | AES_ENCRYPT); | |
247 | AES_ige_encrypt(plaintext + TEST_SIZE / 2, | |
248 | ciphertext + TEST_SIZE / 2, TEST_SIZE / 2, | |
249 | &key, iv, AES_ENCRYPT); | |
250 | ||
251 | AES_set_decrypt_key(rkey, 8 * sizeof rkey, &key); | |
252 | memcpy(iv, saved_iv, sizeof iv); | |
253 | AES_ige_encrypt(ciphertext, checktext, TEST_SIZE, &key, iv, AES_DECRYPT); | |
254 | ||
0e534337 P |
255 | return TEST_mem_eq(checktext, TEST_SIZE, plaintext, TEST_SIZE); |
256 | } | |
257 | ||
258 | static int test_ige_dec_chaining(void) | |
259 | { | |
260 | AES_KEY key; | |
261 | unsigned char iv[AES_BLOCK_SIZE * 4]; | |
262 | unsigned char ciphertext[BIG_TEST_SIZE]; | |
263 | unsigned char checktext[BIG_TEST_SIZE]; | |
0f113f3e | 264 | |
0f113f3e MC |
265 | AES_set_encrypt_key(rkey, 8 * sizeof rkey, &key); |
266 | memcpy(iv, saved_iv, sizeof iv); | |
267 | AES_ige_encrypt(plaintext, ciphertext, TEST_SIZE / 2, &key, iv, | |
268 | AES_ENCRYPT); | |
269 | AES_ige_encrypt(plaintext + TEST_SIZE / 2, | |
270 | ciphertext + TEST_SIZE / 2, TEST_SIZE / 2, | |
271 | &key, iv, AES_ENCRYPT); | |
272 | ||
273 | AES_set_decrypt_key(rkey, 8 * sizeof rkey, &key); | |
274 | memcpy(iv, saved_iv, sizeof iv); | |
275 | AES_ige_encrypt(ciphertext, checktext, TEST_SIZE / 2, &key, iv, | |
276 | AES_DECRYPT); | |
277 | AES_ige_encrypt(ciphertext + TEST_SIZE / 2, | |
278 | checktext + TEST_SIZE / 2, TEST_SIZE / 2, &key, iv, | |
279 | AES_DECRYPT); | |
280 | ||
0e534337 P |
281 | return TEST_mem_eq(checktext, TEST_SIZE, plaintext, TEST_SIZE); |
282 | } | |
283 | ||
284 | static int test_ige_garble_forwards(void) | |
285 | { | |
286 | AES_KEY key; | |
287 | unsigned char iv[AES_BLOCK_SIZE * 4]; | |
288 | unsigned char ciphertext[BIG_TEST_SIZE]; | |
289 | unsigned char checktext[BIG_TEST_SIZE]; | |
290 | unsigned int n; | |
291 | int testresult = 1; | |
292 | const size_t ctsize = sizeof(checktext); | |
293 | size_t matches; | |
0f113f3e | 294 | |
0f113f3e MC |
295 | AES_set_encrypt_key(rkey, 8 * sizeof rkey, &key); |
296 | memcpy(iv, saved_iv, sizeof iv); | |
297 | AES_ige_encrypt(plaintext, ciphertext, sizeof plaintext, &key, iv, | |
298 | AES_ENCRYPT); | |
299 | ||
300 | /* corrupt halfway through */ | |
301 | ++ciphertext[sizeof ciphertext / 2]; | |
302 | AES_set_decrypt_key(rkey, 8 * sizeof rkey, &key); | |
303 | memcpy(iv, saved_iv, sizeof iv); | |
304 | AES_ige_encrypt(ciphertext, checktext, sizeof checktext, &key, iv, | |
305 | AES_DECRYPT); | |
306 | ||
307 | matches = 0; | |
308 | for (n = 0; n < sizeof checktext; ++n) | |
309 | if (checktext[n] == plaintext[n]) | |
310 | ++matches; | |
311 | ||
0e534337 P |
312 | /* Fail if there is more than 51% matching bytes */ |
313 | if (!TEST_size_t_le(matches, ctsize / 2 + ctsize / 100)) | |
314 | testresult = 0; | |
0f113f3e | 315 | |
0e534337 P |
316 | /* Fail if the garble goes backwards */ |
317 | if (!TEST_size_t_gt(matches, ctsize / 2)) | |
318 | testresult = 0; | |
319 | return testresult; | |
320 | } | |
0f113f3e | 321 | |
0e534337 P |
322 | static int test_bi_ige_enc_dec(void) |
323 | { | |
324 | AES_KEY key, key2; | |
325 | unsigned char iv[AES_BLOCK_SIZE * 4]; | |
326 | unsigned char ciphertext[BIG_TEST_SIZE]; | |
327 | unsigned char checktext[BIG_TEST_SIZE]; | |
0f113f3e | 328 | |
0e534337 | 329 | memcpy(iv, saved_iv, sizeof iv); |
0f113f3e MC |
330 | AES_set_encrypt_key(rkey, 8 * sizeof rkey, &key); |
331 | AES_set_encrypt_key(rkey2, 8 * sizeof rkey2, &key2); | |
332 | AES_bi_ige_encrypt(plaintext, ciphertext, TEST_SIZE, &key, &key2, iv, | |
333 | AES_ENCRYPT); | |
334 | ||
335 | AES_set_decrypt_key(rkey, 8 * sizeof rkey, &key); | |
336 | AES_set_decrypt_key(rkey2, 8 * sizeof rkey2, &key2); | |
337 | AES_bi_ige_encrypt(ciphertext, checktext, TEST_SIZE, &key, &key2, iv, | |
338 | AES_DECRYPT); | |
339 | ||
0e534337 P |
340 | return TEST_mem_eq(checktext, TEST_SIZE, plaintext, TEST_SIZE); |
341 | } | |
342 | ||
343 | static int test_bi_ige_garble1(void) | |
344 | { | |
345 | AES_KEY key, key2; | |
346 | unsigned char iv[AES_BLOCK_SIZE * 4]; | |
347 | unsigned char ciphertext[BIG_TEST_SIZE]; | |
348 | unsigned char checktext[BIG_TEST_SIZE]; | |
349 | unsigned int n; | |
350 | size_t matches; | |
0f113f3e | 351 | |
de6ac50d | 352 | memcpy(iv, saved_iv, sizeof iv); |
0f113f3e MC |
353 | AES_set_encrypt_key(rkey, 8 * sizeof rkey, &key); |
354 | AES_set_encrypt_key(rkey2, 8 * sizeof rkey2, &key2); | |
355 | AES_ige_encrypt(plaintext, ciphertext, sizeof plaintext, &key, iv, | |
356 | AES_ENCRYPT); | |
357 | ||
358 | /* corrupt halfway through */ | |
359 | ++ciphertext[sizeof ciphertext / 2]; | |
360 | AES_set_decrypt_key(rkey, 8 * sizeof rkey, &key); | |
361 | AES_set_decrypt_key(rkey2, 8 * sizeof rkey2, &key2); | |
362 | AES_ige_encrypt(ciphertext, checktext, sizeof checktext, &key, iv, | |
363 | AES_DECRYPT); | |
364 | ||
365 | matches = 0; | |
366 | for (n = 0; n < sizeof checktext; ++n) | |
367 | if (checktext[n] == plaintext[n]) | |
368 | ++matches; | |
369 | ||
0e534337 P |
370 | /* Fail if there is more than 1% matching bytes */ |
371 | return TEST_size_t_le(matches, sizeof checktext / 100); | |
372 | } | |
373 | ||
374 | static int test_bi_ige_garble2(void) | |
375 | { | |
376 | AES_KEY key, key2; | |
377 | unsigned char iv[AES_BLOCK_SIZE * 4]; | |
378 | unsigned char ciphertext[BIG_TEST_SIZE]; | |
379 | unsigned char checktext[BIG_TEST_SIZE]; | |
380 | unsigned int n; | |
381 | size_t matches; | |
0f113f3e | 382 | |
de6ac50d | 383 | memcpy(iv, saved_iv, sizeof iv); |
0f113f3e MC |
384 | AES_set_encrypt_key(rkey, 8 * sizeof rkey, &key); |
385 | AES_set_encrypt_key(rkey2, 8 * sizeof rkey2, &key2); | |
386 | AES_ige_encrypt(plaintext, ciphertext, sizeof plaintext, &key, iv, | |
387 | AES_ENCRYPT); | |
388 | ||
389 | /* corrupt right at the end */ | |
390 | ++ciphertext[sizeof ciphertext - 1]; | |
391 | AES_set_decrypt_key(rkey, 8 * sizeof rkey, &key); | |
392 | AES_set_decrypt_key(rkey2, 8 * sizeof rkey2, &key2); | |
393 | AES_ige_encrypt(ciphertext, checktext, sizeof checktext, &key, iv, | |
394 | AES_DECRYPT); | |
395 | ||
396 | matches = 0; | |
397 | for (n = 0; n < sizeof checktext; ++n) | |
398 | if (checktext[n] == plaintext[n]) | |
399 | ++matches; | |
400 | ||
0e534337 P |
401 | /* Fail if there is more than 1% matching bytes */ |
402 | return TEST_size_t_le(matches, sizeof checktext / 100); | |
403 | } | |
404 | ||
405 | static int test_bi_ige_garble3(void) | |
406 | { | |
407 | AES_KEY key, key2; | |
408 | unsigned char iv[AES_BLOCK_SIZE * 4]; | |
409 | unsigned char ciphertext[BIG_TEST_SIZE]; | |
410 | unsigned char checktext[BIG_TEST_SIZE]; | |
411 | unsigned int n; | |
412 | size_t matches; | |
0f113f3e | 413 | |
de6ac50d | 414 | memcpy(iv, saved_iv, sizeof iv); |
0f113f3e MC |
415 | AES_set_encrypt_key(rkey, 8 * sizeof rkey, &key); |
416 | AES_set_encrypt_key(rkey2, 8 * sizeof rkey2, &key2); | |
417 | AES_ige_encrypt(plaintext, ciphertext, sizeof plaintext, &key, iv, | |
418 | AES_ENCRYPT); | |
419 | ||
420 | /* corrupt right at the start */ | |
421 | ++ciphertext[0]; | |
422 | AES_set_decrypt_key(rkey, 8 * sizeof rkey, &key); | |
423 | AES_set_decrypt_key(rkey2, 8 * sizeof rkey2, &key2); | |
424 | AES_ige_encrypt(ciphertext, checktext, sizeof checktext, &key, iv, | |
425 | AES_DECRYPT); | |
426 | ||
427 | matches = 0; | |
428 | for (n = 0; n < sizeof checktext; ++n) | |
429 | if (checktext[n] == plaintext[n]) | |
430 | ++matches; | |
431 | ||
0e534337 P |
432 | /* Fail if there is more than 1% matching bytes */ |
433 | return TEST_size_t_le(matches, sizeof checktext / 100); | |
434 | } | |
0f113f3e | 435 | |
ad887416 | 436 | int setup_tests(void) |
0e534337 P |
437 | { |
438 | RAND_bytes(rkey, sizeof rkey); | |
439 | RAND_bytes(rkey2, sizeof rkey2); | |
440 | RAND_bytes(plaintext, sizeof plaintext); | |
441 | RAND_bytes(saved_iv, sizeof saved_iv); | |
442 | ||
443 | ADD_TEST(test_ige_enc_dec); | |
444 | ADD_TEST(test_ige_enc_chaining); | |
445 | ADD_TEST(test_ige_dec_chaining); | |
446 | ADD_TEST(test_ige_garble_forwards); | |
447 | ADD_TEST(test_bi_ige_enc_dec); | |
448 | ADD_TEST(test_bi_ige_garble1); | |
449 | ADD_TEST(test_bi_ige_garble2); | |
450 | ADD_TEST(test_bi_ige_garble3); | |
451 | ADD_ALL_TESTS(test_ige_vectors, OSSL_NELEM(ige_test_vectors)); | |
452 | ADD_ALL_TESTS(test_bi_ige_vectors, OSSL_NELEM(bi_ige_test_vectors)); | |
ad887416 | 453 | return 1; |
0f113f3e | 454 | } |