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"
15 #include "test_main.h"
20 /* The following are unofficial test vectors generated from a locally modified
22 * TODO(TLS1.3): As and when official vectors become available we should use
24 * https://www.ietf.org/id/draft-thomson-tls-tls13-vectors-00.txt, however at
25 * the time of writing these are not suitable because they are based on
26 * draft -16, which works slightly differently to the draft -18 vectors below.
29 static unsigned char hs_start_hash[] = {
30 0xec, 0x14, 0x7a, 0x06, 0xde, 0xa3, 0xc8, 0x84, 0x6c, 0x02, 0xb2, 0x23, 0x8e,
31 0x41, 0xbd, 0xdc, 0x9d, 0x89, 0xf9, 0xae, 0xa1, 0x7b, 0x5e, 0xfd, 0x4d, 0x74,
32 0x82, 0xaf, 0x75, 0x88, 0x1c, 0x0a
35 static unsigned char hs_full_hash[] = {
36 0x75, 0x1a, 0x3d, 0x4a, 0x14, 0xdf, 0xab, 0xeb, 0x68, 0xe9, 0x2c, 0xa5, 0x91,
37 0x8e, 0x24, 0x08, 0xb9, 0xbc, 0xb0, 0x74, 0x89, 0x82, 0xec, 0x9c, 0x32, 0x30,
38 0xac, 0x30, 0xbb, 0xeb, 0x23, 0xe2,
41 static unsigned char early_secret[] = {
42 0x33, 0xad, 0x0a, 0x1c, 0x60, 0x7e, 0xc0, 0x3b, 0x09, 0xe6, 0xcd, 0x98, 0x93,
43 0x68, 0x0c, 0xe2, 0x10, 0xad, 0xf3, 0x00, 0xaa, 0x1f, 0x26, 0x60, 0xe1, 0xb2,
44 0x2e, 0x10, 0xf1, 0x70, 0xf9, 0x2a
47 static unsigned char ecdhe_secret[] = {
48 0xe7, 0xb8, 0xfe, 0xf8, 0x90, 0x3b, 0x52, 0x0c, 0xb9, 0xa1, 0x89, 0x71, 0xb6,
49 0x9d, 0xd4, 0x5d, 0xca, 0x53, 0xce, 0x2f, 0x12, 0xbf, 0x3b, 0xef, 0x93, 0x15,
50 0xe3, 0x12, 0x71, 0xdf, 0x4b, 0x40
53 static unsigned char handshake_secret[] = {
54 0xdf, 0xc9, 0x41, 0xd8, 0x26, 0x93, 0x2a, 0x59, 0x11, 0xb3, 0xb7, 0xd0, 0x38,
55 0xcb, 0x65, 0x6f, 0xda, 0xaf, 0x77, 0x07, 0x1e, 0x40, 0x9a, 0x9b, 0xa6, 0xca,
56 0x74, 0xda, 0x17, 0xb4, 0xe0, 0x04,
59 static const char *client_hts_label = "client handshake traffic secret";
61 static unsigned char client_hts[] = {
62 0x4b, 0x38, 0x48, 0xf1, 0x5d, 0xb1, 0x5e, 0x88, 0xcf, 0x3e, 0x3b, 0xff, 0xa6,
63 0xba, 0x02, 0xc1, 0xc5, 0xd1, 0xe5, 0xb1, 0xc3, 0xf3, 0x10, 0xdf, 0xe5, 0xc9,
64 0x69, 0x5a, 0x4a, 0xc6, 0x06, 0x38,
67 static unsigned char client_hts_key[] = {
68 0xe5, 0x7b, 0x8c, 0x38, 0x6d, 0x6f, 0x09, 0x14, 0xe2, 0xe5, 0x4e, 0x36, 0x23,
72 static unsigned char client_hts_iv[] = {
73 0x4d, 0x2e, 0x61, 0x0c, 0x4d, 0x3a, 0x8e, 0x5f, 0x15, 0x41, 0x1e, 0xfd
76 static const char *server_hts_label = "server handshake traffic secret";
78 static unsigned char server_hts[] = {
79 0x74, 0x1f, 0xb3, 0xb8, 0x41, 0x24, 0xc4, 0x7e, 0x1b, 0x2e, 0xa9, 0x4f, 0x0c,
80 0x42, 0xc9, 0x06, 0xb7, 0x7c, 0x84, 0x92, 0x05, 0xed, 0x5f, 0x19, 0xda, 0xbb,
81 0xbb, 0xce, 0xc7, 0x29, 0x06, 0x7e,
84 static unsigned char server_hts_key[] = {
85 0x72, 0x61, 0x1c, 0xc8, 0x0d, 0x65, 0x9c, 0x89, 0xf8, 0x94, 0x9e, 0x32, 0x67,
90 static unsigned char server_hts_iv[] = {
91 0x43, 0xfe, 0x11, 0x29, 0x0f, 0xe8, 0xfe, 0x84, 0x9c, 0x9b, 0x21, 0xef,
94 static unsigned char master_secret[] = {
95 0xfe, 0x8d, 0xfb, 0xd0, 0x14, 0x94, 0x4e, 0x22, 0x65, 0x16, 0x7d, 0xc4, 0x20,
96 0x01, 0x5b, 0x10, 0x64, 0x74, 0xb7, 0x22, 0x9a, 0x95, 0xd1, 0x48, 0x0c, 0xb9,
97 0xac, 0xd1, 0xa0, 0x28, 0xb7, 0x67
100 static const char *client_ats_label = "client application traffic secret";
102 static unsigned char client_ats[] = {
103 0x56, 0x9e, 0x9c, 0x17, 0xe3, 0x52, 0x1f, 0xdd, 0x09, 0xf4, 0xb8, 0x4f, 0x6c,
104 0xd6, 0x6d, 0xa8, 0x23, 0xde, 0xeb, 0x81, 0xbb, 0xb1, 0xde, 0x61, 0xe2, 0x82,
105 0x56, 0x27, 0xf7, 0x00, 0x63, 0x81,
108 static unsigned char client_ats_key[] = {
109 0xcb, 0xfa, 0xae, 0x71, 0x8d, 0xfb, 0x52, 0xba, 0x7b, 0x87, 0xde, 0x8b, 0x6d,
113 static unsigned char client_ats_iv[] = {
114 0x74, 0x86, 0x88, 0xe9, 0x7f, 0x72, 0xfb, 0xf3, 0x33, 0x1e, 0xfb, 0x55
117 static const char *server_ats_label = "server application traffic secret";
119 static unsigned char server_ats[] = {
120 0xd1, 0xbf, 0xdc, 0x8b, 0x84, 0xf4, 0x16, 0xb7, 0xc6, 0x90, 0xd9, 0xc9, 0x2c,
121 0x23, 0x11, 0xb3, 0x05, 0xad, 0x75, 0xfc, 0xe6, 0x29, 0x90, 0x2b, 0xe1, 0x03,
122 0xdd, 0x0c, 0x12, 0x51, 0xea, 0xd2,
125 static unsigned char server_ats_key[] = {
126 0x35, 0xc2, 0xd1, 0x54, 0xa8, 0x43, 0x03, 0xc6, 0x55, 0xa0, 0x2e, 0x5e, 0x1f,
130 static unsigned char server_ats_iv[] = {
131 0xe5, 0x77, 0xd9, 0x8a, 0xb3, 0x2e, 0xec, 0x79, 0xb1, 0x63, 0x68, 0xc2
134 /* Mocked out implementations of various functions */
135 int ssl3_digest_cached_records(SSL *s, int keep)
140 static int full_hash = 0;
142 /* Give a hash of the currently set handshake */
143 int ssl_handshake_hash(SSL *s, unsigned char *out, size_t outlen,
146 if (sizeof(hs_start_hash) > outlen
147 || sizeof(hs_full_hash) != sizeof(hs_start_hash))
151 memcpy(out, hs_full_hash, sizeof(hs_full_hash));
152 *hashlen = sizeof(hs_full_hash);
154 memcpy(out, hs_start_hash, sizeof(hs_start_hash));
155 *hashlen = sizeof(hs_start_hash);
161 const EVP_MD *ssl_handshake_md(SSL *s)
166 void RECORD_LAYER_reset_read_sequence(RECORD_LAYER *rl)
170 void RECORD_LAYER_reset_write_sequence(RECORD_LAYER *rl)
174 int ssl_cipher_get_evp(const SSL_SESSION *s, const EVP_CIPHER **enc,
175 const EVP_MD **md, int *mac_pkey_type,
176 size_t *mac_secret_size, SSL_COMP **comp, int use_etm)
182 int tls1_alert_code(int code)
187 /* End of mocked out code */
189 static int test_secret(SSL *s, unsigned char *prk,
190 const unsigned char *label, size_t labellen,
191 const unsigned char *ref_secret,
192 const unsigned char *ref_key, const unsigned char *ref_iv)
195 unsigned char gensecret[EVP_MAX_MD_SIZE];
196 unsigned char hash[EVP_MAX_MD_SIZE];
197 unsigned char key[KEYLEN];
198 unsigned char iv[IVLEN];
199 const EVP_MD *md = ssl_handshake_md(s);
201 if (!ssl_handshake_hash(s, hash, sizeof(hash), &hashsize)) {
202 fprintf(stderr, "Failed to get hash\n");
206 if (!tls13_hkdf_expand(s, md, prk, label, labellen, hash, gensecret,
208 fprintf(stderr, "Secret generation failed\n");
212 if (memcmp(gensecret, ref_secret, hashsize) != 0) {
213 fprintf(stderr, "Generated secret does not match\n");
217 if (!tls13_derive_key(s, gensecret, key, KEYLEN)) {
218 fprintf(stderr, "Key generation failed\n");
222 if (memcmp(key, ref_key, KEYLEN) != 0) {
223 fprintf(stderr, "Generated key does not match\n");
227 if (!tls13_derive_iv(s, gensecret, iv, IVLEN)) {
228 fprintf(stderr, "IV generation failed\n");
232 if (memcmp(iv, ref_iv, IVLEN) != 0) {
233 fprintf(stderr, "Generated IV does not match\n");
240 static int test_handshake_secrets(void)
246 unsigned char out_master_secret[EVP_MAX_MD_SIZE];
247 size_t master_secret_length;
249 ctx = SSL_CTX_new(TLS_method());
257 s->session = SSL_SESSION_new();
258 if (s->session == NULL)
261 if (!tls13_generate_secret(s, ssl_handshake_md(s), NULL, NULL, 0,
262 (unsigned char *)&s->early_secret)) {
263 fprintf(stderr, "Early secret generation failed\n");
267 if (memcmp(s->early_secret, early_secret, sizeof(early_secret)) != 0) {
268 fprintf(stderr, "Early secret does not match\n");
272 if (!tls13_generate_handshake_secret(s, ecdhe_secret,
273 sizeof(ecdhe_secret))) {
274 fprintf(stderr, "Hanshake secret generation failed\n");
278 if (memcmp(s->handshake_secret, handshake_secret,
279 sizeof(handshake_secret)) != 0) {
280 fprintf(stderr, "Handshake secret does not match\n");
284 hashsize = EVP_MD_size(ssl_handshake_md(s));
285 if (sizeof(client_hts) != hashsize || sizeof(client_hts_key) != KEYLEN
286 || sizeof(client_hts_iv) != IVLEN) {
287 fprintf(stderr, "Internal test error\n");
291 if (!test_secret(s, s->handshake_secret, (unsigned char *)client_hts_label,
292 strlen(client_hts_label), client_hts, client_hts_key,
294 fprintf(stderr, "Client handshake secret test failed\n");
298 if (sizeof(server_hts) != hashsize || sizeof(server_hts_key) != KEYLEN
299 || sizeof(server_hts_iv) != IVLEN) {
300 fprintf(stderr, "Internal test error\n");
304 if (!test_secret(s, s->handshake_secret, (unsigned char *)server_hts_label,
305 strlen(server_hts_label), server_hts, server_hts_key,
307 fprintf(stderr, "Server handshake secret test failed\n");
312 * Ensure the mocked out ssl_handshake_hash() returns the full handshake
317 if (!tls13_generate_master_secret(s, out_master_secret,
318 s->handshake_secret, hashsize,
319 &master_secret_length)) {
320 fprintf(stderr, "Master secret generation failed\n");
324 if (master_secret_length != sizeof(master_secret) ||
325 memcmp(out_master_secret, master_secret,
326 sizeof(master_secret)) != 0) {
327 fprintf(stderr, "Master secret does not match\n");
331 if (sizeof(client_ats) != hashsize || sizeof(client_ats_key) != KEYLEN
332 || sizeof(client_ats_iv) != IVLEN) {
333 fprintf(stderr, "Internal test error\n");
337 if (!test_secret(s, out_master_secret, (unsigned char *)client_ats_label,
338 strlen(client_ats_label), client_ats, client_ats_key,
340 fprintf(stderr, "Client application data secret test failed\n");
344 if (sizeof(server_ats) != hashsize || sizeof(server_ats_key) != KEYLEN
345 || sizeof(server_ats_iv) != IVLEN) {
346 fprintf(stderr, "Internal test error\n");
350 if (!test_secret(s, out_master_secret, (unsigned char *)server_ats_label,
351 strlen(server_ats_label), server_ats, server_ats_key,
353 fprintf(stderr, "Server application data secret test failed\n");
364 void register_tests()
366 ADD_TEST(test_handshake_secrets);