2 * Copyright 2016-2020 The OpenSSL Project Authors. All Rights Reserved.
4 * Licensed under the Apache License 2.0 (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
10 #include <openssl/ssl.h>
11 #include <openssl/evp.h>
13 #include "../ssl/ssl_local.h"
20 * Based on the test vectors available in:
21 * https://tools.ietf.org/html/draft-ietf-tls-tls13-vectors-06
24 static unsigned char hs_start_hash[] = {
25 0xc6, 0xc9, 0x18, 0xad, 0x2f, 0x41, 0x99, 0xd5, 0x59, 0x8e, 0xaf, 0x01, 0x16,
26 0xcb, 0x7a, 0x5c, 0x2c, 0x14, 0xcb, 0x54, 0x78, 0x12, 0x18, 0x88, 0x8d, 0xb7,
27 0x03, 0x0d, 0xd5, 0x0d, 0x5e, 0x6d
30 static unsigned char hs_full_hash[] = {
31 0xf8, 0xc1, 0x9e, 0x8c, 0x77, 0xc0, 0x38, 0x79, 0xbb, 0xc8, 0xeb, 0x6d, 0x56,
32 0xe0, 0x0d, 0xd5, 0xd8, 0x6e, 0xf5, 0x59, 0x27, 0xee, 0xfc, 0x08, 0xe1, 0xb0,
33 0x02, 0xb6, 0xec, 0xe0, 0x5d, 0xbf
36 static unsigned char early_secret[] = {
37 0x33, 0xad, 0x0a, 0x1c, 0x60, 0x7e, 0xc0, 0x3b, 0x09, 0xe6, 0xcd, 0x98, 0x93,
38 0x68, 0x0c, 0xe2, 0x10, 0xad, 0xf3, 0x00, 0xaa, 0x1f, 0x26, 0x60, 0xe1, 0xb2,
39 0x2e, 0x10, 0xf1, 0x70, 0xf9, 0x2a
42 static unsigned char ecdhe_secret[] = {
43 0x81, 0x51, 0xd1, 0x46, 0x4c, 0x1b, 0x55, 0x53, 0x36, 0x23, 0xb9, 0xc2, 0x24,
44 0x6a, 0x6a, 0x0e, 0x6e, 0x7e, 0x18, 0x50, 0x63, 0xe1, 0x4a, 0xfd, 0xaf, 0xf0,
45 0xb6, 0xe1, 0xc6, 0x1a, 0x86, 0x42
48 static unsigned char handshake_secret[] = {
49 0x5b, 0x4f, 0x96, 0x5d, 0xf0, 0x3c, 0x68, 0x2c, 0x46, 0xe6, 0xee, 0x86, 0xc3,
50 0x11, 0x63, 0x66, 0x15, 0xa1, 0xd2, 0xbb, 0xb2, 0x43, 0x45, 0xc2, 0x52, 0x05,
51 0x95, 0x3c, 0x87, 0x9e, 0x8d, 0x06
54 static const char *client_hts_label = "c hs traffic";
56 static unsigned char client_hts[] = {
57 0xe2, 0xe2, 0x32, 0x07, 0xbd, 0x93, 0xfb, 0x7f, 0xe4, 0xfc, 0x2e, 0x29, 0x7a,
58 0xfe, 0xab, 0x16, 0x0e, 0x52, 0x2b, 0x5a, 0xb7, 0x5d, 0x64, 0xa8, 0x6e, 0x75,
59 0xbc, 0xac, 0x3f, 0x3e, 0x51, 0x03
62 static unsigned char client_hts_key[] = {
63 0x26, 0x79, 0xa4, 0x3e, 0x1d, 0x76, 0x78, 0x40, 0x34, 0xea, 0x17, 0x97, 0xd5,
67 static unsigned char client_hts_iv[] = {
68 0x54, 0x82, 0x40, 0x52, 0x90, 0xdd, 0x0d, 0x2f, 0x81, 0xc0, 0xd9, 0x42
71 static const char *server_hts_label = "s hs traffic";
73 static unsigned char server_hts[] = {
74 0x3b, 0x7a, 0x83, 0x9c, 0x23, 0x9e, 0xf2, 0xbf, 0x0b, 0x73, 0x05, 0xa0, 0xe0,
75 0xc4, 0xe5, 0xa8, 0xc6, 0xc6, 0x93, 0x30, 0xa7, 0x53, 0xb3, 0x08, 0xf5, 0xe3,
76 0xa8, 0x3a, 0xa2, 0xef, 0x69, 0x79
79 static unsigned char server_hts_key[] = {
80 0xc6, 0x6c, 0xb1, 0xae, 0xc5, 0x19, 0xdf, 0x44, 0xc9, 0x1e, 0x10, 0x99, 0x55,
84 static unsigned char server_hts_iv[] = {
85 0xf7, 0xf6, 0x88, 0x4c, 0x49, 0x81, 0x71, 0x6c, 0x2d, 0x0d, 0x29, 0xa4
88 static unsigned char master_secret[] = {
89 0x5c, 0x79, 0xd1, 0x69, 0x42, 0x4e, 0x26, 0x2b, 0x56, 0x32, 0x03, 0x62, 0x7b,
90 0xe4, 0xeb, 0x51, 0x03, 0x3f, 0x58, 0x8c, 0x43, 0xc9, 0xce, 0x03, 0x73, 0x37,
91 0x2d, 0xbc, 0xbc, 0x01, 0x85, 0xa7
94 static const char *client_ats_label = "c ap traffic";
96 static unsigned char client_ats[] = {
97 0xe2, 0xf0, 0xdb, 0x6a, 0x82, 0xe8, 0x82, 0x80, 0xfc, 0x26, 0xf7, 0x3c, 0x89,
98 0x85, 0x4e, 0xe8, 0x61, 0x5e, 0x25, 0xdf, 0x28, 0xb2, 0x20, 0x79, 0x62, 0xfa,
99 0x78, 0x22, 0x26, 0xb2, 0x36, 0x26
102 static unsigned char client_ats_key[] = {
103 0x88, 0xb9, 0x6a, 0xd6, 0x86, 0xc8, 0x4b, 0xe5, 0x5a, 0xce, 0x18, 0xa5, 0x9c,
107 static unsigned char client_ats_iv[] = {
108 0xb9, 0x9d, 0xc5, 0x8c, 0xd5, 0xff, 0x5a, 0xb0, 0x82, 0xfd, 0xad, 0x19
111 static const char *server_ats_label = "s ap traffic";
113 static unsigned char server_ats[] = {
114 0x5b, 0x73, 0xb1, 0x08, 0xd9, 0xac, 0x1b, 0x9b, 0x0c, 0x82, 0x48, 0xca, 0x39,
115 0x26, 0xec, 0x6e, 0x7b, 0xc4, 0x7e, 0x41, 0x17, 0x06, 0x96, 0x39, 0x87, 0xec,
116 0x11, 0x43, 0x5d, 0x30, 0x57, 0x19
119 static unsigned char server_ats_key[] = {
120 0xa6, 0x88, 0xeb, 0xb5, 0xac, 0x82, 0x6d, 0x6f, 0x42, 0xd4, 0x5c, 0x0c, 0xc4,
124 static unsigned char server_ats_iv[] = {
125 0xc1, 0xca, 0xd4, 0x42, 0x5a, 0x43, 0x8b, 0x5d, 0xe7, 0x14, 0x83, 0x0a
128 /* Mocked out implementations of various functions */
129 int ssl3_digest_cached_records(SSL *s, int keep)
134 static int full_hash = 0;
136 /* Give a hash of the currently set handshake */
137 int ssl_handshake_hash(SSL *s, unsigned char *out, size_t outlen,
140 if (sizeof(hs_start_hash) > outlen
141 || sizeof(hs_full_hash) != sizeof(hs_start_hash))
145 memcpy(out, hs_full_hash, sizeof(hs_full_hash));
146 *hashlen = sizeof(hs_full_hash);
148 memcpy(out, hs_start_hash, sizeof(hs_start_hash));
149 *hashlen = sizeof(hs_start_hash);
155 const EVP_MD *ssl_handshake_md(SSL *s)
160 void RECORD_LAYER_reset_read_sequence(RECORD_LAYER *rl)
164 void RECORD_LAYER_reset_write_sequence(RECORD_LAYER *rl)
168 int ssl_cipher_get_evp_cipher(SSL_CTX *ctx, const SSL_CIPHER *sslc,
169 const EVP_CIPHER **enc)
174 int ssl_cipher_get_evp(SSL_CTX *ctx, const SSL_SESSION *s,
175 const EVP_CIPHER **enc, const EVP_MD **md,
176 int *mac_pkey_type, size_t *mac_secret_size,
177 SSL_COMP **comp, int use_etm)
183 int tls1_alert_code(int code)
188 int ssl_log_secret(SSL *ssl,
190 const uint8_t *secret,
196 const EVP_MD *ssl_md(SSL_CTX *ctx, int idx)
201 void ossl_statem_fatal(SSL *s, int al, int func, int reason, const char *file,
206 int ossl_statem_export_allowed(SSL *s)
211 int ossl_statem_export_early_allowed(SSL *s)
216 void ssl_evp_cipher_free(const EVP_CIPHER *cipher)
220 void ssl_evp_md_free(const EVP_MD *md)
224 /* End of mocked out code */
226 static int test_secret(SSL *s, unsigned char *prk,
227 const unsigned char *label, size_t labellen,
228 const unsigned char *ref_secret,
229 const unsigned char *ref_key, const unsigned char *ref_iv)
232 unsigned char gensecret[EVP_MAX_MD_SIZE];
233 unsigned char hash[EVP_MAX_MD_SIZE];
234 unsigned char key[KEYLEN];
235 unsigned char iv[IVLEN];
236 const EVP_MD *md = ssl_handshake_md(s);
238 if (!ssl_handshake_hash(s, hash, sizeof(hash), &hashsize)) {
239 TEST_error("Failed to get hash");
243 if (!tls13_hkdf_expand(s, md, prk, label, labellen, hash, hashsize,
244 gensecret, hashsize, 1)) {
245 TEST_error("Secret generation failed");
249 if (!TEST_mem_eq(gensecret, hashsize, ref_secret, hashsize))
252 if (!tls13_derive_key(s, md, gensecret, key, KEYLEN)) {
253 TEST_error("Key generation failed");
257 if (!TEST_mem_eq(key, KEYLEN, ref_key, KEYLEN))
260 if (!tls13_derive_iv(s, md, gensecret, iv, IVLEN)) {
261 TEST_error("IV generation failed");
265 if (!TEST_mem_eq(iv, IVLEN, ref_iv, IVLEN))
271 static int test_handshake_secrets(void)
277 unsigned char out_master_secret[EVP_MAX_MD_SIZE];
278 size_t master_secret_length;
280 ctx = SSL_CTX_new(TLS_method());
288 s->session = SSL_SESSION_new();
289 if (!TEST_ptr(s->session))
292 if (!TEST_true(tls13_generate_secret(s, ssl_handshake_md(s), NULL, NULL, 0,
293 (unsigned char *)&s->early_secret))) {
294 TEST_info("Early secret generation failed");
298 if (!TEST_mem_eq(s->early_secret, sizeof(early_secret),
299 early_secret, sizeof(early_secret))) {
300 TEST_info("Early secret does not match");
304 if (!TEST_true(tls13_generate_handshake_secret(s, ecdhe_secret,
305 sizeof(ecdhe_secret)))) {
306 TEST_info("Handshake secret generation failed");
310 if (!TEST_mem_eq(s->handshake_secret, sizeof(handshake_secret),
311 handshake_secret, sizeof(handshake_secret)))
314 hashsize = EVP_MD_size(ssl_handshake_md(s));
315 if (!TEST_size_t_eq(sizeof(client_hts), hashsize))
317 if (!TEST_size_t_eq(sizeof(client_hts_key), KEYLEN))
319 if (!TEST_size_t_eq(sizeof(client_hts_iv), IVLEN))
322 if (!TEST_true(test_secret(s, s->handshake_secret,
323 (unsigned char *)client_hts_label,
324 strlen(client_hts_label), client_hts,
325 client_hts_key, client_hts_iv))) {
326 TEST_info("Client handshake secret test failed");
330 if (!TEST_size_t_eq(sizeof(server_hts), hashsize))
332 if (!TEST_size_t_eq(sizeof(server_hts_key), KEYLEN))
334 if (!TEST_size_t_eq(sizeof(server_hts_iv), IVLEN))
337 if (!TEST_true(test_secret(s, s->handshake_secret,
338 (unsigned char *)server_hts_label,
339 strlen(server_hts_label), server_hts,
340 server_hts_key, server_hts_iv))) {
341 TEST_info("Server handshake secret test failed");
346 * Ensure the mocked out ssl_handshake_hash() returns the full handshake
351 if (!TEST_true(tls13_generate_master_secret(s, out_master_secret,
352 s->handshake_secret, hashsize,
353 &master_secret_length))) {
354 TEST_info("Master secret generation failed");
358 if (!TEST_mem_eq(out_master_secret, master_secret_length,
359 master_secret, sizeof(master_secret))) {
360 TEST_info("Master secret does not match");
364 if (!TEST_size_t_eq(sizeof(client_ats), hashsize))
366 if (!TEST_size_t_eq(sizeof(client_ats_key), KEYLEN))
368 if (!TEST_size_t_eq(sizeof(client_ats_iv), IVLEN))
371 if (!TEST_true(test_secret(s, out_master_secret,
372 (unsigned char *)client_ats_label,
373 strlen(client_ats_label), client_ats,
374 client_ats_key, client_ats_iv))) {
375 TEST_info("Client application data secret test failed");
379 if (!TEST_size_t_eq(sizeof(server_ats), hashsize))
381 if (!TEST_size_t_eq(sizeof(server_ats_key), KEYLEN))
383 if (!TEST_size_t_eq(sizeof(server_ats_iv), IVLEN))
386 if (!TEST_true(test_secret(s, out_master_secret,
387 (unsigned char *)server_ats_label,
388 strlen(server_ats_label), server_ats,
389 server_ats_key, server_ats_iv))) {
390 TEST_info("Server application data secret test failed");
401 int setup_tests(void)
403 ADD_TEST(test_handshake_secrets);