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 /* End of mocked out code */
184 static int test_secret(SSL *s, unsigned char *prk,
185 const unsigned char *label, size_t labellen,
186 const unsigned char *ref_secret,
187 const unsigned char *ref_key, const unsigned char *ref_iv)
190 unsigned char gensecret[EVP_MAX_MD_SIZE];
191 unsigned char hash[EVP_MAX_MD_SIZE];
192 unsigned char key[KEYLEN];
193 unsigned char iv[IVLEN];
195 if (!ssl_handshake_hash(s, hash, sizeof(hash), &hashsize)) {
196 fprintf(stderr, "Failed to get hash\n");
200 if (!tls13_hkdf_expand(s, prk, label, labellen, hash, gensecret,
202 fprintf(stderr, "Secret generation failed\n");
206 if (memcmp(gensecret, ref_secret, hashsize) != 0) {
207 fprintf(stderr, "Generated secret does not match\n");
211 if (!tls13_derive_key(s, gensecret, key, KEYLEN)) {
212 fprintf(stderr, "Key generation failed\n");
216 if (memcmp(key, ref_key, KEYLEN) != 0) {
217 fprintf(stderr, "Generated key does not match\n");
221 if (!tls13_derive_iv(s, gensecret, iv, IVLEN)) {
222 fprintf(stderr, "IV generation failed\n");
226 if (memcmp(iv, ref_iv, IVLEN) != 0) {
227 fprintf(stderr, "Generated IV does not match\n");
234 static int test_handshake_secrets(void)
240 unsigned char out_master_secret[EVP_MAX_MD_SIZE];
241 size_t master_secret_length;
243 ctx = SSL_CTX_new(TLS_method());
251 if (!tls13_generate_early_secret(s, NULL, 0)) {
252 fprintf(stderr, "Early secret generation failed\n");
256 if (memcmp(s->early_secret, early_secret, sizeof(early_secret)) != 0) {
257 fprintf(stderr, "Early secret does not match\n");
261 if (!tls13_generate_handshake_secret(s, ecdhe_secret,
262 sizeof(ecdhe_secret))) {
263 fprintf(stderr, "Hanshake secret generation failed\n");
267 if (memcmp(s->handshake_secret, handshake_secret,
268 sizeof(handshake_secret)) != 0) {
269 fprintf(stderr, "Handshake secret does not match\n");
273 hashsize = EVP_MD_size(ssl_handshake_md(s));
274 if (sizeof(client_hts) != hashsize || sizeof(client_hts_key) != KEYLEN
275 || sizeof(client_hts_iv) != IVLEN) {
276 fprintf(stderr, "Internal test error\n");
280 if (!test_secret(s, s->handshake_secret, (unsigned char *)client_hts_label,
281 strlen(client_hts_label), client_hts, client_hts_key,
283 fprintf(stderr, "Client handshake secret test failed\n");
287 if (sizeof(server_hts) != hashsize || sizeof(server_hts_key) != KEYLEN
288 || sizeof(server_hts_iv) != IVLEN) {
289 fprintf(stderr, "Internal test error\n");
293 if (!test_secret(s, s->handshake_secret, (unsigned char *)server_hts_label,
294 strlen(server_hts_label), server_hts, server_hts_key,
296 fprintf(stderr, "Server handshake secret test failed\n");
301 * Ensure the mocked out ssl_handshake_hash() returns the full handshake
306 if (!tls13_generate_master_secret(s, out_master_secret,
307 s->handshake_secret, hashsize,
308 &master_secret_length)) {
309 fprintf(stderr, "Master secret generation failed\n");
313 if (master_secret_length != sizeof(master_secret) ||
314 memcmp(out_master_secret, master_secret,
315 sizeof(master_secret)) != 0) {
316 fprintf(stderr, "Master secret does not match\n");
320 if (sizeof(client_ats) != hashsize || sizeof(client_ats_key) != KEYLEN
321 || sizeof(client_ats_iv) != IVLEN) {
322 fprintf(stderr, "Internal test error\n");
326 if (!test_secret(s, out_master_secret, (unsigned char *)client_ats_label,
327 strlen(client_ats_label), client_ats, client_ats_key,
329 fprintf(stderr, "Client application data secret test failed\n");
333 if (sizeof(server_ats) != hashsize || sizeof(server_ats_key) != KEYLEN
334 || sizeof(server_ats_iv) != IVLEN) {
335 fprintf(stderr, "Internal test error\n");
339 if (!test_secret(s, out_master_secret, (unsigned char *)server_ats_label,
340 strlen(server_ats_label), server_ats, server_ats_key,
342 fprintf(stderr, "Server application data secret test failed\n");
353 void register_tests()
355 ADD_TEST(test_handshake_secrets);