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 void RECORD_LAYER_reset_read_sequence(RECORD_LAYER *rl)
169 void RECORD_LAYER_reset_write_sequence(RECORD_LAYER *rl)
173 /* End of mocked out code */
175 static int test_secret(SSL *s, unsigned char *prk,
176 const unsigned char *label, size_t labellen,
177 const unsigned char *ref_secret,
178 const unsigned char *ref_key, const unsigned char *ref_iv)
180 size_t hashsize = EVP_MD_size(ssl_handshake_md(s));
181 unsigned char gensecret[EVP_MAX_MD_SIZE];
182 unsigned char key[KEYLEN];
183 unsigned char iv[IVLEN];
185 if (!tls13_derive_secret(s, prk, label, labellen, gensecret)) {
186 fprintf(stderr, "Secret generation failed\n");
190 if (memcmp(gensecret, ref_secret, hashsize) != 0) {
191 fprintf(stderr, "Generated secret does not match\n");
195 if (!tls13_derive_key(s, gensecret, key, KEYLEN)) {
196 fprintf(stderr, "Key generation failed\n");
200 if (memcmp(key, ref_key, KEYLEN) != 0) {
201 fprintf(stderr, "Generated key does not match\n");
205 if (!tls13_derive_iv(s, gensecret, iv, IVLEN)) {
206 fprintf(stderr, "IV generation failed\n");
210 if (memcmp(iv, ref_iv, IVLEN) != 0) {
211 fprintf(stderr, "Generated IV does not match\n");
218 static int test_handshake_secrets(void)
224 unsigned char out_master_secret[EVP_MAX_MD_SIZE];
225 size_t master_secret_length;
227 ctx = SSL_CTX_new(TLS_method());
235 if (!tls13_generate_early_secret(s, NULL, 0)) {
236 fprintf(stderr, "Early secret generation failed\n");
240 if (memcmp(s->early_secret, early_secret, sizeof(early_secret)) != 0) {
241 fprintf(stderr, "Early secret does not match\n");
245 if (!tls13_generate_handshake_secret(s, ecdhe_secret,
246 sizeof(ecdhe_secret))) {
247 fprintf(stderr, "Hanshake secret generation failed\n");
251 if (memcmp(s->handshake_secret, handshake_secret,
252 sizeof(handshake_secret)) != 0) {
253 fprintf(stderr, "Handshake secret does not match\n");
257 hashsize = EVP_MD_size(ssl_handshake_md(s));
258 if (sizeof(client_hts) != hashsize || sizeof(client_hts_key) != KEYLEN
259 || sizeof(client_hts_iv) != IVLEN) {
260 fprintf(stderr, "Internal test error\n");
264 if (!test_secret(s, s->handshake_secret, (unsigned char *)client_hts_label,
265 strlen(client_hts_label), client_hts, client_hts_key,
267 fprintf(stderr, "Client handshake secret test failed\n");
271 if (sizeof(server_hts) != hashsize || sizeof(server_hts_key) != KEYLEN
272 || sizeof(server_hts_iv) != IVLEN) {
273 fprintf(stderr, "Internal test error\n");
277 if (!test_secret(s, s->handshake_secret, (unsigned char *)server_hts_label,
278 strlen(server_hts_label), server_hts, server_hts_key,
280 fprintf(stderr, "Server handshake secret test failed\n");
285 * Ensure the mocked out ssl_handshake_hash() returns the full handshake
290 if (!tls13_generate_master_secret(s, out_master_secret,
291 s->handshake_secret, hashsize,
292 &master_secret_length)) {
293 fprintf(stderr, "Master secret generation failed\n");
297 if (master_secret_length != sizeof(master_secret) ||
298 memcmp(out_master_secret, master_secret,
299 sizeof(master_secret)) != 0) {
300 fprintf(stderr, "Master secret does not match\n");
304 if (sizeof(client_ats) != hashsize || sizeof(client_ats_key) != KEYLEN
305 || sizeof(client_ats_iv) != IVLEN) {
306 fprintf(stderr, "Internal test error\n");
310 if (!test_secret(s, out_master_secret, (unsigned char *)client_ats_label,
311 strlen(client_ats_label), client_ats, client_ats_key,
313 fprintf(stderr, "Client application data secret test failed\n");
317 if (sizeof(server_ats) != hashsize || sizeof(server_ats_key) != KEYLEN
318 || sizeof(server_ats_iv) != IVLEN) {
319 fprintf(stderr, "Internal test error\n");
323 if (!test_secret(s, out_master_secret, (unsigned char *)server_ats_label,
324 strlen(server_ats_label), server_ats, server_ats_key,
326 fprintf(stderr, "Server application data secret test failed\n");
337 int main(int argc, char *argv[])
342 err = BIO_new_fp(stderr, BIO_NOCLOSE | BIO_FP_TEXT);
344 CRYPTO_set_mem_debug(1);
345 CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_ON);
347 ADD_TEST(test_handshake_secrets);
349 testresult = run_tests(argv[0]);
351 #ifndef OPENSSL_NO_CRYPTO_MDEBUG
352 if (CRYPTO_mem_leaks(err) <= 0)
358 fprintf(stderr, "PASS\n");