2 * Copyright 2016 The OpenSSL Project Authors. All Rights Reserved.
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
10 #include <openssl/ssl.h>
11 #include <openssl/evp.h>
12 #include "../ssl/ssl_locl.h"
19 /* The following are unofficial test vectors generated from a locally modified
21 * TODO(TLS1.3): As and when official vectors become available we should use
23 * https://www.ietf.org/id/draft-thomson-tls-tls13-vectors-00.txt, however at
24 * the time of writing these are not suitable because they are based on
25 * draft -16, which works slightly differently to the draft -18 vectors below.
28 static unsigned char hs_start_hash[] = {
29 0xec, 0x14, 0x7a, 0x06, 0xde, 0xa3, 0xc8, 0x84, 0x6c, 0x02, 0xb2, 0x23, 0x8e,
30 0x41, 0xbd, 0xdc, 0x9d, 0x89, 0xf9, 0xae, 0xa1, 0x7b, 0x5e, 0xfd, 0x4d, 0x74,
31 0x82, 0xaf, 0x75, 0x88, 0x1c, 0x0a
34 static unsigned char hs_full_hash[] = {
35 0x75, 0x1a, 0x3d, 0x4a, 0x14, 0xdf, 0xab, 0xeb, 0x68, 0xe9, 0x2c, 0xa5, 0x91,
36 0x8e, 0x24, 0x08, 0xb9, 0xbc, 0xb0, 0x74, 0x89, 0x82, 0xec, 0x9c, 0x32, 0x30,
37 0xac, 0x30, 0xbb, 0xeb, 0x23, 0xe2,
40 static unsigned char early_secret[] = {
41 0x33, 0xad, 0x0a, 0x1c, 0x60, 0x7e, 0xc0, 0x3b, 0x09, 0xe6, 0xcd, 0x98, 0x93,
42 0x68, 0x0c, 0xe2, 0x10, 0xad, 0xf3, 0x00, 0xaa, 0x1f, 0x26, 0x60, 0xe1, 0xb2,
43 0x2e, 0x10, 0xf1, 0x70, 0xf9, 0x2a
46 static unsigned char ecdhe_secret[] = {
47 0xe7, 0xb8, 0xfe, 0xf8, 0x90, 0x3b, 0x52, 0x0c, 0xb9, 0xa1, 0x89, 0x71, 0xb6,
48 0x9d, 0xd4, 0x5d, 0xca, 0x53, 0xce, 0x2f, 0x12, 0xbf, 0x3b, 0xef, 0x93, 0x15,
49 0xe3, 0x12, 0x71, 0xdf, 0x4b, 0x40
52 static unsigned char handshake_secret[] = {
53 0xdf, 0xc9, 0x41, 0xd8, 0x26, 0x93, 0x2a, 0x59, 0x11, 0xb3, 0xb7, 0xd0, 0x38,
54 0xcb, 0x65, 0x6f, 0xda, 0xaf, 0x77, 0x07, 0x1e, 0x40, 0x9a, 0x9b, 0xa6, 0xca,
55 0x74, 0xda, 0x17, 0xb4, 0xe0, 0x04,
58 static const char *client_hts_label = "client handshake traffic secret";
60 static unsigned char client_hts[] = {
61 0x4b, 0x38, 0x48, 0xf1, 0x5d, 0xb1, 0x5e, 0x88, 0xcf, 0x3e, 0x3b, 0xff, 0xa6,
62 0xba, 0x02, 0xc1, 0xc5, 0xd1, 0xe5, 0xb1, 0xc3, 0xf3, 0x10, 0xdf, 0xe5, 0xc9,
63 0x69, 0x5a, 0x4a, 0xc6, 0x06, 0x38,
66 static unsigned char client_hts_key[] = {
67 0xe5, 0x7b, 0x8c, 0x38, 0x6d, 0x6f, 0x09, 0x14, 0xe2, 0xe5, 0x4e, 0x36, 0x23,
71 static unsigned char client_hts_iv[] = {
72 0x4d, 0x2e, 0x61, 0x0c, 0x4d, 0x3a, 0x8e, 0x5f, 0x15, 0x41, 0x1e, 0xfd
75 static const char *server_hts_label = "server handshake traffic secret";
77 static unsigned char server_hts[] = {
78 0x74, 0x1f, 0xb3, 0xb8, 0x41, 0x24, 0xc4, 0x7e, 0x1b, 0x2e, 0xa9, 0x4f, 0x0c,
79 0x42, 0xc9, 0x06, 0xb7, 0x7c, 0x84, 0x92, 0x05, 0xed, 0x5f, 0x19, 0xda, 0xbb,
80 0xbb, 0xce, 0xc7, 0x29, 0x06, 0x7e,
83 static unsigned char server_hts_key[] = {
84 0x72, 0x61, 0x1c, 0xc8, 0x0d, 0x65, 0x9c, 0x89, 0xf8, 0x94, 0x9e, 0x32, 0x67,
89 static unsigned char server_hts_iv[] = {
90 0x43, 0xfe, 0x11, 0x29, 0x0f, 0xe8, 0xfe, 0x84, 0x9c, 0x9b, 0x21, 0xef,
93 static unsigned char master_secret[] = {
94 0xfe, 0x8d, 0xfb, 0xd0, 0x14, 0x94, 0x4e, 0x22, 0x65, 0x16, 0x7d, 0xc4, 0x20,
95 0x01, 0x5b, 0x10, 0x64, 0x74, 0xb7, 0x22, 0x9a, 0x95, 0xd1, 0x48, 0x0c, 0xb9,
96 0xac, 0xd1, 0xa0, 0x28, 0xb7, 0x67
99 static const char *client_ats_label = "client application traffic secret";
101 static unsigned char client_ats[] = {
102 0x56, 0x9e, 0x9c, 0x17, 0xe3, 0x52, 0x1f, 0xdd, 0x09, 0xf4, 0xb8, 0x4f, 0x6c,
103 0xd6, 0x6d, 0xa8, 0x23, 0xde, 0xeb, 0x81, 0xbb, 0xb1, 0xde, 0x61, 0xe2, 0x82,
104 0x56, 0x27, 0xf7, 0x00, 0x63, 0x81,
107 static unsigned char client_ats_key[] = {
108 0xcb, 0xfa, 0xae, 0x71, 0x8d, 0xfb, 0x52, 0xba, 0x7b, 0x87, 0xde, 0x8b, 0x6d,
112 static unsigned char client_ats_iv[] = {
113 0x74, 0x86, 0x88, 0xe9, 0x7f, 0x72, 0xfb, 0xf3, 0x33, 0x1e, 0xfb, 0x55
116 static const char *server_ats_label = "server application traffic secret";
118 static unsigned char server_ats[] = {
119 0xd1, 0xbf, 0xdc, 0x8b, 0x84, 0xf4, 0x16, 0xb7, 0xc6, 0x90, 0xd9, 0xc9, 0x2c,
120 0x23, 0x11, 0xb3, 0x05, 0xad, 0x75, 0xfc, 0xe6, 0x29, 0x90, 0x2b, 0xe1, 0x03,
121 0xdd, 0x0c, 0x12, 0x51, 0xea, 0xd2,
124 static unsigned char server_ats_key[] = {
125 0x35, 0xc2, 0xd1, 0x54, 0xa8, 0x43, 0x03, 0xc6, 0x55, 0xa0, 0x2e, 0x5e, 0x1f,
129 static unsigned char server_ats_iv[] = {
130 0xe5, 0x77, 0xd9, 0x8a, 0xb3, 0x2e, 0xec, 0x79, 0xb1, 0x63, 0x68, 0xc2
133 /* Mocked out implementations of various functions */
134 int ssl3_digest_cached_records(SSL *s, int keep)
139 static int full_hash = 0;
141 /* Give a hash of the currently set handshake */
142 int ssl_handshake_hash(SSL *s, unsigned char *out, size_t outlen,
145 if (sizeof(hs_start_hash) > outlen
146 || sizeof(hs_full_hash) != sizeof(hs_start_hash))
150 memcpy(out, hs_full_hash, sizeof(hs_full_hash));
151 *hashlen = sizeof(hs_full_hash);
153 memcpy(out, hs_start_hash, sizeof(hs_start_hash));
154 *hashlen = sizeof(hs_start_hash);
160 const EVP_MD *ssl_handshake_md(SSL *s)
165 /* End of mocked out code */
167 static int test_secret(SSL *s, unsigned char *prk,
168 const unsigned char *label, size_t labellen,
169 const unsigned char *ref_secret,
170 const unsigned char *ref_key, const unsigned char *ref_iv)
172 size_t hashsize = EVP_MD_size(ssl_handshake_md(s));
173 unsigned char gensecret[EVP_MAX_MD_SIZE];
174 unsigned char key[KEYLEN];
175 unsigned char iv[IVLEN];
177 if (!tls13_derive_secret(s, prk, label, labellen, gensecret)) {
178 fprintf(stderr, "Secret generation failed\n");
182 if (memcmp(gensecret, ref_secret, hashsize) != 0) {
183 fprintf(stderr, "Generated secret does not match\n");
187 if (!tls13_derive_key(s, gensecret, key, KEYLEN)) {
188 fprintf(stderr, "Key generation failed\n");
192 if (memcmp(key, ref_key, KEYLEN) != 0) {
193 fprintf(stderr, "Generated key does not match\n");
197 if (!tls13_derive_iv(s, gensecret, iv, IVLEN)) {
198 fprintf(stderr, "IV generation failed\n");
202 if (memcmp(iv, ref_iv, IVLEN) != 0) {
203 fprintf(stderr, "Generated IV does not match\n");
210 static int test_handshake_secrets(void)
216 unsigned char out_master_secret[EVP_MAX_MD_SIZE];
217 size_t master_secret_length;
219 ctx = SSL_CTX_new(TLS_method());
227 if (!tls13_generate_early_secret(s, NULL, 0)) {
228 fprintf(stderr, "Early secret generation failed\n");
232 if (memcmp(s->early_secret, early_secret, sizeof(early_secret)) != 0) {
233 fprintf(stderr, "Early secret does not match\n");
237 if (!tls13_generate_handshake_secret(s, ecdhe_secret,
238 sizeof(ecdhe_secret))) {
239 fprintf(stderr, "Hanshake secret generation failed\n");
243 if (memcmp(s->handshake_secret, handshake_secret,
244 sizeof(handshake_secret)) != 0) {
245 fprintf(stderr, "Handshake secret does not match\n");
249 hashsize = EVP_MD_size(ssl_handshake_md(s));
250 if (sizeof(client_hts) != hashsize || sizeof(client_hts_key) != KEYLEN
251 || sizeof(client_hts_iv) != IVLEN) {
252 fprintf(stderr, "Internal test error\n");
256 if (!test_secret(s, s->handshake_secret, (unsigned char *)client_hts_label,
257 strlen(client_hts_label), client_hts, client_hts_key,
259 fprintf(stderr, "Client handshake secret test failed\n");
263 if (sizeof(server_hts) != hashsize || sizeof(server_hts_key) != KEYLEN
264 || sizeof(server_hts_iv) != IVLEN) {
265 fprintf(stderr, "Internal test error\n");
269 if (!test_secret(s, s->handshake_secret, (unsigned char *)server_hts_label,
270 strlen(server_hts_label), server_hts, server_hts_key,
272 fprintf(stderr, "Server handshake secret test failed\n");
277 * Ensure the mocked out ssl_handshake_hash() returns the full handshake
282 if (!tls13_generate_master_secret(s, out_master_secret,
283 s->handshake_secret, hashsize,
284 &master_secret_length)) {
285 fprintf(stderr, "Master secret generation failed\n");
289 if (master_secret_length != sizeof(master_secret) ||
290 memcmp(out_master_secret, master_secret,
291 sizeof(master_secret)) != 0) {
292 fprintf(stderr, "Master secret does not match\n");
296 if (sizeof(client_ats) != hashsize || sizeof(client_ats_key) != KEYLEN
297 || sizeof(client_ats_iv) != IVLEN) {
298 fprintf(stderr, "Internal test error\n");
302 if (!test_secret(s, out_master_secret, (unsigned char *)client_ats_label,
303 strlen(client_ats_label), client_ats, client_ats_key,
305 fprintf(stderr, "Client application data secret test failed\n");
309 if (sizeof(server_ats) != hashsize || sizeof(server_ats_key) != KEYLEN
310 || sizeof(server_ats_iv) != IVLEN) {
311 fprintf(stderr, "Internal test error\n");
315 if (!test_secret(s, out_master_secret, (unsigned char *)server_ats_label,
316 strlen(server_ats_label), server_ats, server_ats_key,
318 fprintf(stderr, "Server application data secret test failed\n");
329 int main(int argc, char *argv[])
334 err = BIO_new_fp(stderr, BIO_NOCLOSE | BIO_FP_TEXT);
336 CRYPTO_set_mem_debug(1);
337 CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_ON);
339 ADD_TEST(test_handshake_secrets);
341 testresult = run_tests(argv[0]);
343 #ifndef OPENSSL_NO_CRYPTO_MDEBUG
344 if (CRYPTO_mem_leaks(err) <= 0)
350 fprintf(stderr, "PASS\n");