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134bfe56 | 1 | /* |
72a7a702 | 2 | * Copyright 2016-2019 The OpenSSL Project Authors. All Rights Reserved. |
134bfe56 MC |
3 | * |
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 | |
8 | */ | |
9 | ||
10 | #include <openssl/ssl.h> | |
11 | #include <openssl/evp.h> | |
edd689ef RL |
12 | |
13 | #ifdef __VMS | |
14 | # pragma names save | |
15 | # pragma names as_is,shortened | |
16 | #endif | |
17 | ||
b5acbf91 | 18 | #include "../ssl/ssl_local.h" |
134bfe56 | 19 | |
edd689ef RL |
20 | #ifdef __VMS |
21 | # pragma names restore | |
22 | #endif | |
23 | ||
134bfe56 MC |
24 | #include "testutil.h" |
25 | ||
26 | #define IVLEN 12 | |
27 | #define KEYLEN 16 | |
28 | ||
d6ce9da4 | 29 | /* |
a5c83db4 | 30 | * Based on the test vectors available in: |
3b09585b | 31 | * https://tools.ietf.org/html/draft-ietf-tls-tls13-vectors-06 |
134bfe56 MC |
32 | */ |
33 | ||
34 | static unsigned char hs_start_hash[] = { | |
d6ce9da4 MC |
35 | 0xc6, 0xc9, 0x18, 0xad, 0x2f, 0x41, 0x99, 0xd5, 0x59, 0x8e, 0xaf, 0x01, 0x16, |
36 | 0xcb, 0x7a, 0x5c, 0x2c, 0x14, 0xcb, 0x54, 0x78, 0x12, 0x18, 0x88, 0x8d, 0xb7, | |
37 | 0x03, 0x0d, 0xd5, 0x0d, 0x5e, 0x6d | |
134bfe56 MC |
38 | }; |
39 | ||
40 | static unsigned char hs_full_hash[] = { | |
d6ce9da4 MC |
41 | 0xf8, 0xc1, 0x9e, 0x8c, 0x77, 0xc0, 0x38, 0x79, 0xbb, 0xc8, 0xeb, 0x6d, 0x56, |
42 | 0xe0, 0x0d, 0xd5, 0xd8, 0x6e, 0xf5, 0x59, 0x27, 0xee, 0xfc, 0x08, 0xe1, 0xb0, | |
43 | 0x02, 0xb6, 0xec, 0xe0, 0x5d, 0xbf | |
134bfe56 MC |
44 | }; |
45 | ||
46 | static unsigned char early_secret[] = { | |
47 | 0x33, 0xad, 0x0a, 0x1c, 0x60, 0x7e, 0xc0, 0x3b, 0x09, 0xe6, 0xcd, 0x98, 0x93, | |
48 | 0x68, 0x0c, 0xe2, 0x10, 0xad, 0xf3, 0x00, 0xaa, 0x1f, 0x26, 0x60, 0xe1, 0xb2, | |
49 | 0x2e, 0x10, 0xf1, 0x70, 0xf9, 0x2a | |
50 | }; | |
51 | ||
52 | static unsigned char ecdhe_secret[] = { | |
d6ce9da4 MC |
53 | 0x81, 0x51, 0xd1, 0x46, 0x4c, 0x1b, 0x55, 0x53, 0x36, 0x23, 0xb9, 0xc2, 0x24, |
54 | 0x6a, 0x6a, 0x0e, 0x6e, 0x7e, 0x18, 0x50, 0x63, 0xe1, 0x4a, 0xfd, 0xaf, 0xf0, | |
55 | 0xb6, 0xe1, 0xc6, 0x1a, 0x86, 0x42 | |
134bfe56 MC |
56 | }; |
57 | ||
58 | static unsigned char handshake_secret[] = { | |
d6ce9da4 MC |
59 | 0x5b, 0x4f, 0x96, 0x5d, 0xf0, 0x3c, 0x68, 0x2c, 0x46, 0xe6, 0xee, 0x86, 0xc3, |
60 | 0x11, 0x63, 0x66, 0x15, 0xa1, 0xd2, 0xbb, 0xb2, 0x43, 0x45, 0xc2, 0x52, 0x05, | |
61 | 0x95, 0x3c, 0x87, 0x9e, 0x8d, 0x06 | |
134bfe56 MC |
62 | }; |
63 | ||
1f6359db | 64 | static const char *client_hts_label = "c hs traffic"; |
134bfe56 MC |
65 | |
66 | static unsigned char client_hts[] = { | |
d6ce9da4 MC |
67 | 0xe2, 0xe2, 0x32, 0x07, 0xbd, 0x93, 0xfb, 0x7f, 0xe4, 0xfc, 0x2e, 0x29, 0x7a, |
68 | 0xfe, 0xab, 0x16, 0x0e, 0x52, 0x2b, 0x5a, 0xb7, 0x5d, 0x64, 0xa8, 0x6e, 0x75, | |
69 | 0xbc, 0xac, 0x3f, 0x3e, 0x51, 0x03 | |
134bfe56 MC |
70 | }; |
71 | ||
72 | static unsigned char client_hts_key[] = { | |
d6ce9da4 MC |
73 | 0x26, 0x79, 0xa4, 0x3e, 0x1d, 0x76, 0x78, 0x40, 0x34, 0xea, 0x17, 0x97, 0xd5, |
74 | 0xad, 0x26, 0x49 | |
134bfe56 MC |
75 | }; |
76 | ||
77 | static unsigned char client_hts_iv[] = { | |
d6ce9da4 | 78 | 0x54, 0x82, 0x40, 0x52, 0x90, 0xdd, 0x0d, 0x2f, 0x81, 0xc0, 0xd9, 0x42 |
134bfe56 MC |
79 | }; |
80 | ||
1f6359db | 81 | static const char *server_hts_label = "s hs traffic"; |
134bfe56 MC |
82 | |
83 | static unsigned char server_hts[] = { | |
d6ce9da4 MC |
84 | 0x3b, 0x7a, 0x83, 0x9c, 0x23, 0x9e, 0xf2, 0xbf, 0x0b, 0x73, 0x05, 0xa0, 0xe0, |
85 | 0xc4, 0xe5, 0xa8, 0xc6, 0xc6, 0x93, 0x30, 0xa7, 0x53, 0xb3, 0x08, 0xf5, 0xe3, | |
86 | 0xa8, 0x3a, 0xa2, 0xef, 0x69, 0x79 | |
134bfe56 MC |
87 | }; |
88 | ||
89 | static unsigned char server_hts_key[] = { | |
d6ce9da4 MC |
90 | 0xc6, 0x6c, 0xb1, 0xae, 0xc5, 0x19, 0xdf, 0x44, 0xc9, 0x1e, 0x10, 0x99, 0x55, |
91 | 0x11, 0xac, 0x8b | |
134bfe56 MC |
92 | }; |
93 | ||
94 | static unsigned char server_hts_iv[] = { | |
d6ce9da4 | 95 | 0xf7, 0xf6, 0x88, 0x4c, 0x49, 0x81, 0x71, 0x6c, 0x2d, 0x0d, 0x29, 0xa4 |
134bfe56 MC |
96 | }; |
97 | ||
98 | static unsigned char master_secret[] = { | |
d6ce9da4 MC |
99 | 0x5c, 0x79, 0xd1, 0x69, 0x42, 0x4e, 0x26, 0x2b, 0x56, 0x32, 0x03, 0x62, 0x7b, |
100 | 0xe4, 0xeb, 0x51, 0x03, 0x3f, 0x58, 0x8c, 0x43, 0xc9, 0xce, 0x03, 0x73, 0x37, | |
101 | 0x2d, 0xbc, 0xbc, 0x01, 0x85, 0xa7 | |
134bfe56 MC |
102 | }; |
103 | ||
1f6359db | 104 | static const char *client_ats_label = "c ap traffic"; |
134bfe56 MC |
105 | |
106 | static unsigned char client_ats[] = { | |
d6ce9da4 MC |
107 | 0xe2, 0xf0, 0xdb, 0x6a, 0x82, 0xe8, 0x82, 0x80, 0xfc, 0x26, 0xf7, 0x3c, 0x89, |
108 | 0x85, 0x4e, 0xe8, 0x61, 0x5e, 0x25, 0xdf, 0x28, 0xb2, 0x20, 0x79, 0x62, 0xfa, | |
109 | 0x78, 0x22, 0x26, 0xb2, 0x36, 0x26 | |
134bfe56 MC |
110 | }; |
111 | ||
112 | static unsigned char client_ats_key[] = { | |
d6ce9da4 MC |
113 | 0x88, 0xb9, 0x6a, 0xd6, 0x86, 0xc8, 0x4b, 0xe5, 0x5a, 0xce, 0x18, 0xa5, 0x9c, |
114 | 0xce, 0x5c, 0x87 | |
134bfe56 MC |
115 | }; |
116 | ||
117 | static unsigned char client_ats_iv[] = { | |
d6ce9da4 | 118 | 0xb9, 0x9d, 0xc5, 0x8c, 0xd5, 0xff, 0x5a, 0xb0, 0x82, 0xfd, 0xad, 0x19 |
134bfe56 MC |
119 | }; |
120 | ||
1f6359db | 121 | static const char *server_ats_label = "s ap traffic"; |
134bfe56 MC |
122 | |
123 | static unsigned char server_ats[] = { | |
d6ce9da4 MC |
124 | 0x5b, 0x73, 0xb1, 0x08, 0xd9, 0xac, 0x1b, 0x9b, 0x0c, 0x82, 0x48, 0xca, 0x39, |
125 | 0x26, 0xec, 0x6e, 0x7b, 0xc4, 0x7e, 0x41, 0x17, 0x06, 0x96, 0x39, 0x87, 0xec, | |
126 | 0x11, 0x43, 0x5d, 0x30, 0x57, 0x19 | |
134bfe56 MC |
127 | }; |
128 | ||
129 | static unsigned char server_ats_key[] = { | |
d6ce9da4 MC |
130 | 0xa6, 0x88, 0xeb, 0xb5, 0xac, 0x82, 0x6d, 0x6f, 0x42, 0xd4, 0x5c, 0x0c, 0xc4, |
131 | 0x4b, 0x9b, 0x7d | |
134bfe56 MC |
132 | }; |
133 | ||
134 | static unsigned char server_ats_iv[] = { | |
d6ce9da4 | 135 | 0xc1, 0xca, 0xd4, 0x42, 0x5a, 0x43, 0x8b, 0x5d, 0xe7, 0x14, 0x83, 0x0a |
134bfe56 MC |
136 | }; |
137 | ||
138 | /* Mocked out implementations of various functions */ | |
139 | int ssl3_digest_cached_records(SSL *s, int keep) | |
140 | { | |
141 | return 1; | |
142 | } | |
143 | ||
144 | static int full_hash = 0; | |
145 | ||
146 | /* Give a hash of the currently set handshake */ | |
147 | int ssl_handshake_hash(SSL *s, unsigned char *out, size_t outlen, | |
148 | size_t *hashlen) | |
149 | { | |
150 | if (sizeof(hs_start_hash) > outlen | |
151 | || sizeof(hs_full_hash) != sizeof(hs_start_hash)) | |
152 | return 0; | |
153 | ||
154 | if (full_hash) { | |
155 | memcpy(out, hs_full_hash, sizeof(hs_full_hash)); | |
156 | *hashlen = sizeof(hs_full_hash); | |
157 | } else { | |
158 | memcpy(out, hs_start_hash, sizeof(hs_start_hash)); | |
159 | *hashlen = sizeof(hs_start_hash); | |
160 | } | |
161 | ||
162 | return 1; | |
163 | } | |
164 | ||
165 | const EVP_MD *ssl_handshake_md(SSL *s) | |
166 | { | |
167 | return EVP_sha256(); | |
168 | } | |
169 | ||
0d9824c1 MC |
170 | void RECORD_LAYER_reset_read_sequence(RECORD_LAYER *rl) |
171 | { | |
172 | } | |
173 | ||
174 | void RECORD_LAYER_reset_write_sequence(RECORD_LAYER *rl) | |
175 | { | |
176 | } | |
177 | ||
92760c21 MC |
178 | int ssl_cipher_get_evp(const SSL_SESSION *s, const EVP_CIPHER **enc, |
179 | const EVP_MD **md, int *mac_pkey_type, | |
180 | size_t *mac_secret_size, SSL_COMP **comp, int use_etm) | |
181 | ||
182 | { | |
183 | return 0; | |
184 | } | |
185 | ||
04904312 MC |
186 | int tls1_alert_code(int code) |
187 | { | |
188 | return code; | |
189 | } | |
190 | ||
f1a5939f CB |
191 | int ssl_log_secret(SSL *ssl, |
192 | const char *label, | |
193 | const uint8_t *secret, | |
194 | size_t secret_len) | |
195 | { | |
196 | return 1; | |
197 | } | |
198 | ||
d49e23ec MC |
199 | const EVP_MD *ssl_md(int idx) |
200 | { | |
201 | return EVP_sha256(); | |
202 | } | |
203 | ||
f63a17d6 MC |
204 | void ossl_statem_fatal(SSL *s, int al, int func, int reason, const char *file, |
205 | int line) | |
206 | { | |
207 | } | |
208 | ||
1f5878b8 TT |
209 | int ossl_statem_export_allowed(SSL *s) |
210 | { | |
211 | return 1; | |
212 | } | |
213 | ||
b38ede80 TT |
214 | int ossl_statem_export_early_allowed(SSL *s) |
215 | { | |
216 | return 1; | |
217 | } | |
218 | ||
134bfe56 MC |
219 | /* End of mocked out code */ |
220 | ||
221 | static int test_secret(SSL *s, unsigned char *prk, | |
222 | const unsigned char *label, size_t labellen, | |
223 | const unsigned char *ref_secret, | |
224 | const unsigned char *ref_key, const unsigned char *ref_iv) | |
225 | { | |
ace081c1 | 226 | size_t hashsize; |
134bfe56 | 227 | unsigned char gensecret[EVP_MAX_MD_SIZE]; |
ace081c1 | 228 | unsigned char hash[EVP_MAX_MD_SIZE]; |
134bfe56 MC |
229 | unsigned char key[KEYLEN]; |
230 | unsigned char iv[IVLEN]; | |
ec15acb6 | 231 | const EVP_MD *md = ssl_handshake_md(s); |
134bfe56 | 232 | |
ace081c1 | 233 | if (!ssl_handshake_hash(s, hash, sizeof(hash), &hashsize)) { |
2fae041d | 234 | TEST_error("Failed to get hash"); |
ace081c1 MC |
235 | return 0; |
236 | } | |
237 | ||
a19ae67d | 238 | if (!tls13_hkdf_expand(s, md, prk, label, labellen, hash, hashsize, |
db860ea3 | 239 | gensecret, hashsize, 1)) { |
2fae041d | 240 | TEST_error("Secret generation failed"); |
134bfe56 MC |
241 | return 0; |
242 | } | |
243 | ||
2fae041d | 244 | if (!TEST_mem_eq(gensecret, hashsize, ref_secret, hashsize)) |
134bfe56 | 245 | return 0; |
134bfe56 | 246 | |
d49e23ec | 247 | if (!tls13_derive_key(s, md, gensecret, key, KEYLEN)) { |
2fae041d | 248 | TEST_error("Key generation failed"); |
134bfe56 MC |
249 | return 0; |
250 | } | |
251 | ||
2fae041d | 252 | if (!TEST_mem_eq(key, KEYLEN, ref_key, KEYLEN)) |
134bfe56 | 253 | return 0; |
134bfe56 | 254 | |
d49e23ec | 255 | if (!tls13_derive_iv(s, md, gensecret, iv, IVLEN)) { |
2fae041d | 256 | TEST_error("IV generation failed"); |
134bfe56 MC |
257 | return 0; |
258 | } | |
259 | ||
2fae041d | 260 | if (!TEST_mem_eq(iv, IVLEN, ref_iv, IVLEN)) |
134bfe56 | 261 | return 0; |
134bfe56 MC |
262 | |
263 | return 1; | |
264 | } | |
265 | ||
266 | static int test_handshake_secrets(void) | |
267 | { | |
268 | SSL_CTX *ctx = NULL; | |
269 | SSL *s = NULL; | |
270 | int ret = 0; | |
271 | size_t hashsize; | |
272 | unsigned char out_master_secret[EVP_MAX_MD_SIZE]; | |
273 | size_t master_secret_length; | |
274 | ||
275 | ctx = SSL_CTX_new(TLS_method()); | |
2fae041d | 276 | if (!TEST_ptr(ctx)) |
134bfe56 MC |
277 | goto err; |
278 | ||
279 | s = SSL_new(ctx); | |
2fae041d | 280 | if (!TEST_ptr(s )) |
134bfe56 MC |
281 | goto err; |
282 | ||
ec15acb6 | 283 | s->session = SSL_SESSION_new(); |
2fae041d | 284 | if (!TEST_ptr(s->session)) |
ec15acb6 MC |
285 | goto err; |
286 | ||
2fae041d P |
287 | if (!TEST_true(tls13_generate_secret(s, ssl_handshake_md(s), NULL, NULL, 0, |
288 | (unsigned char *)&s->early_secret))) { | |
289 | TEST_info("Early secret generation failed"); | |
134bfe56 MC |
290 | goto err; |
291 | } | |
292 | ||
2fae041d P |
293 | if (!TEST_mem_eq(s->early_secret, sizeof(early_secret), |
294 | early_secret, sizeof(early_secret))) { | |
295 | TEST_info("Early secret does not match"); | |
134bfe56 MC |
296 | goto err; |
297 | } | |
298 | ||
2fae041d P |
299 | if (!TEST_true(tls13_generate_handshake_secret(s, ecdhe_secret, |
300 | sizeof(ecdhe_secret)))) { | |
44e69951 | 301 | TEST_info("Handshake secret generation failed"); |
134bfe56 MC |
302 | goto err; |
303 | } | |
304 | ||
2fae041d P |
305 | if (!TEST_mem_eq(s->handshake_secret, sizeof(handshake_secret), |
306 | handshake_secret, sizeof(handshake_secret))) | |
134bfe56 | 307 | goto err; |
134bfe56 MC |
308 | |
309 | hashsize = EVP_MD_size(ssl_handshake_md(s)); | |
2fae041d P |
310 | if (!TEST_size_t_eq(sizeof(client_hts), hashsize)) |
311 | goto err; | |
312 | if (!TEST_size_t_eq(sizeof(client_hts_key), KEYLEN)) | |
313 | goto err; | |
314 | if (!TEST_size_t_eq(sizeof(client_hts_iv), IVLEN)) | |
134bfe56 | 315 | goto err; |
134bfe56 | 316 | |
2fae041d P |
317 | if (!TEST_true(test_secret(s, s->handshake_secret, |
318 | (unsigned char *)client_hts_label, | |
319 | strlen(client_hts_label), client_hts, | |
320 | client_hts_key, client_hts_iv))) { | |
321 | TEST_info("Client handshake secret test failed"); | |
134bfe56 MC |
322 | goto err; |
323 | } | |
324 | ||
2fae041d P |
325 | if (!TEST_size_t_eq(sizeof(server_hts), hashsize)) |
326 | goto err; | |
327 | if (!TEST_size_t_eq(sizeof(server_hts_key), KEYLEN)) | |
328 | goto err; | |
329 | if (!TEST_size_t_eq(sizeof(server_hts_iv), IVLEN)) | |
134bfe56 | 330 | goto err; |
134bfe56 | 331 | |
2fae041d P |
332 | if (!TEST_true(test_secret(s, s->handshake_secret, |
333 | (unsigned char *)server_hts_label, | |
334 | strlen(server_hts_label), server_hts, | |
335 | server_hts_key, server_hts_iv))) { | |
336 | TEST_info("Server handshake secret test failed"); | |
134bfe56 MC |
337 | goto err; |
338 | } | |
339 | ||
340 | /* | |
341 | * Ensure the mocked out ssl_handshake_hash() returns the full handshake | |
342 | * hash. | |
343 | */ | |
344 | full_hash = 1; | |
345 | ||
2fae041d P |
346 | if (!TEST_true(tls13_generate_master_secret(s, out_master_secret, |
347 | s->handshake_secret, hashsize, | |
348 | &master_secret_length))) { | |
349 | TEST_info("Master secret generation failed"); | |
134bfe56 MC |
350 | goto err; |
351 | } | |
352 | ||
2fae041d P |
353 | if (!TEST_mem_eq(out_master_secret, master_secret_length, |
354 | master_secret, sizeof(master_secret))) { | |
355 | TEST_info("Master secret does not match"); | |
134bfe56 MC |
356 | goto err; |
357 | } | |
358 | ||
2fae041d P |
359 | if (!TEST_size_t_eq(sizeof(client_ats), hashsize)) |
360 | goto err; | |
361 | if (!TEST_size_t_eq(sizeof(client_ats_key), KEYLEN)) | |
362 | goto err; | |
363 | if (!TEST_size_t_eq(sizeof(client_ats_iv), IVLEN)) | |
134bfe56 | 364 | goto err; |
134bfe56 | 365 | |
2fae041d P |
366 | if (!TEST_true(test_secret(s, out_master_secret, |
367 | (unsigned char *)client_ats_label, | |
368 | strlen(client_ats_label), client_ats, | |
369 | client_ats_key, client_ats_iv))) { | |
370 | TEST_info("Client application data secret test failed"); | |
134bfe56 MC |
371 | goto err; |
372 | } | |
373 | ||
2fae041d P |
374 | if (!TEST_size_t_eq(sizeof(server_ats), hashsize)) |
375 | goto err; | |
376 | if (!TEST_size_t_eq(sizeof(server_ats_key), KEYLEN)) | |
377 | goto err; | |
378 | if (!TEST_size_t_eq(sizeof(server_ats_iv), IVLEN)) | |
134bfe56 | 379 | goto err; |
134bfe56 | 380 | |
2fae041d P |
381 | if (!TEST_true(test_secret(s, out_master_secret, |
382 | (unsigned char *)server_ats_label, | |
383 | strlen(server_ats_label), server_ats, | |
384 | server_ats_key, server_ats_iv))) { | |
385 | TEST_info("Server application data secret test failed"); | |
134bfe56 MC |
386 | goto err; |
387 | } | |
388 | ||
389 | ret = 1; | |
390 | err: | |
391 | SSL_free(s); | |
392 | SSL_CTX_free(ctx); | |
393 | return ret; | |
394 | } | |
395 | ||
3cb7c5cf | 396 | int setup_tests(void) |
134bfe56 | 397 | { |
134bfe56 | 398 | ADD_TEST(test_handshake_secrets); |
ad887416 | 399 | return 1; |
134bfe56 | 400 | } |