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];
200 if (!ssl_handshake_hash(s, hash, sizeof(hash), &hashsize)) {
201 fprintf(stderr, "Failed to get hash\n");
205 if (!tls13_hkdf_expand(s, prk, label, labellen, hash, gensecret,
207 fprintf(stderr, "Secret generation failed\n");
211 if (memcmp(gensecret, ref_secret, hashsize) != 0) {
212 fprintf(stderr, "Generated secret does not match\n");
216 if (!tls13_derive_key(s, gensecret, key, KEYLEN)) {
217 fprintf(stderr, "Key generation failed\n");
221 if (memcmp(key, ref_key, KEYLEN) != 0) {
222 fprintf(stderr, "Generated key does not match\n");
226 if (!tls13_derive_iv(s, gensecret, iv, IVLEN)) {
227 fprintf(stderr, "IV generation failed\n");
231 if (memcmp(iv, ref_iv, IVLEN) != 0) {
232 fprintf(stderr, "Generated IV does not match\n");
239 static int test_handshake_secrets(void)
245 unsigned char out_master_secret[EVP_MAX_MD_SIZE];
246 size_t master_secret_length;
248 ctx = SSL_CTX_new(TLS_method());
256 if (!tls13_generate_early_secret(s, NULL, 0)) {
257 fprintf(stderr, "Early secret generation failed\n");
261 if (memcmp(s->early_secret, early_secret, sizeof(early_secret)) != 0) {
262 fprintf(stderr, "Early secret does not match\n");
266 if (!tls13_generate_handshake_secret(s, ecdhe_secret,
267 sizeof(ecdhe_secret))) {
268 fprintf(stderr, "Hanshake secret generation failed\n");
272 if (memcmp(s->handshake_secret, handshake_secret,
273 sizeof(handshake_secret)) != 0) {
274 fprintf(stderr, "Handshake secret does not match\n");
278 hashsize = EVP_MD_size(ssl_handshake_md(s));
279 if (sizeof(client_hts) != hashsize || sizeof(client_hts_key) != KEYLEN
280 || sizeof(client_hts_iv) != IVLEN) {
281 fprintf(stderr, "Internal test error\n");
285 if (!test_secret(s, s->handshake_secret, (unsigned char *)client_hts_label,
286 strlen(client_hts_label), client_hts, client_hts_key,
288 fprintf(stderr, "Client handshake secret test failed\n");
292 if (sizeof(server_hts) != hashsize || sizeof(server_hts_key) != KEYLEN
293 || sizeof(server_hts_iv) != IVLEN) {
294 fprintf(stderr, "Internal test error\n");
298 if (!test_secret(s, s->handshake_secret, (unsigned char *)server_hts_label,
299 strlen(server_hts_label), server_hts, server_hts_key,
301 fprintf(stderr, "Server handshake secret test failed\n");
306 * Ensure the mocked out ssl_handshake_hash() returns the full handshake
311 if (!tls13_generate_master_secret(s, out_master_secret,
312 s->handshake_secret, hashsize,
313 &master_secret_length)) {
314 fprintf(stderr, "Master secret generation failed\n");
318 if (master_secret_length != sizeof(master_secret) ||
319 memcmp(out_master_secret, master_secret,
320 sizeof(master_secret)) != 0) {
321 fprintf(stderr, "Master secret does not match\n");
325 if (sizeof(client_ats) != hashsize || sizeof(client_ats_key) != KEYLEN
326 || sizeof(client_ats_iv) != IVLEN) {
327 fprintf(stderr, "Internal test error\n");
331 if (!test_secret(s, out_master_secret, (unsigned char *)client_ats_label,
332 strlen(client_ats_label), client_ats, client_ats_key,
334 fprintf(stderr, "Client application data secret test failed\n");
338 if (sizeof(server_ats) != hashsize || sizeof(server_ats_key) != KEYLEN
339 || sizeof(server_ats_iv) != IVLEN) {
340 fprintf(stderr, "Internal test error\n");
344 if (!test_secret(s, out_master_secret, (unsigned char *)server_ats_label,
345 strlen(server_ats_label), server_ats, server_ats_key,
347 fprintf(stderr, "Server application data secret test failed\n");
358 void register_tests()
360 ADD_TEST(test_handshake_secrets);