2 * TLS v1.0/v1.1/v1.2 server (RFC 2246, RFC 4346, RFC 5246)
3 * Copyright (c) 2006-2019, Jouni Malinen <j@w1.fi>
5 * This software may be distributed under the terms of the BSD license.
6 * See README for more details.
12 #include "crypto/sha1.h"
13 #include "crypto/tls.h"
14 #include "tlsv1_common.h"
15 #include "tlsv1_record.h"
16 #include "tlsv1_server.h"
17 #include "tlsv1_server_i.h"
20 * Support for a message fragmented across several records (RFC 2246, 6.2.1)
24 void tlsv1_server_log(struct tlsv1_server *conn, const char *fmt, ...)
31 buflen = vsnprintf(NULL, 0, fmt, ap) + 1;
34 buf = os_malloc(buflen);
38 vsnprintf(buf, buflen, fmt, ap);
41 wpa_printf(MSG_DEBUG, "TLSv1: %s", buf);
43 conn->log_cb(conn->log_cb_ctx, buf);
49 void tlsv1_server_alert(struct tlsv1_server *conn, u8 level, u8 description)
51 conn->alert_level = level;
52 conn->alert_description = description;
56 int tlsv1_server_derive_keys(struct tlsv1_server *conn,
57 const u8 *pre_master_secret,
58 size_t pre_master_secret_len)
60 u8 seed[2 * TLS_RANDOM_LEN];
61 u8 key_block[TLS_MAX_KEY_BLOCK_LEN];
65 if (pre_master_secret) {
66 wpa_hexdump_key(MSG_MSGDUMP, "TLSv1: pre_master_secret",
67 pre_master_secret, pre_master_secret_len);
68 os_memcpy(seed, conn->client_random, TLS_RANDOM_LEN);
69 os_memcpy(seed + TLS_RANDOM_LEN, conn->server_random,
71 if (tls_prf(conn->rl.tls_version,
72 pre_master_secret, pre_master_secret_len,
73 "master secret", seed, 2 * TLS_RANDOM_LEN,
74 conn->master_secret, TLS_MASTER_SECRET_LEN)) {
75 wpa_printf(MSG_DEBUG, "TLSv1: Failed to derive "
79 wpa_hexdump_key(MSG_MSGDUMP, "TLSv1: master_secret",
80 conn->master_secret, TLS_MASTER_SECRET_LEN);
83 os_memcpy(seed, conn->server_random, TLS_RANDOM_LEN);
84 os_memcpy(seed + TLS_RANDOM_LEN, conn->client_random, TLS_RANDOM_LEN);
85 key_block_len = 2 * (conn->rl.hash_size + conn->rl.key_material_len +
87 if (tls_prf(conn->rl.tls_version,
88 conn->master_secret, TLS_MASTER_SECRET_LEN,
89 "key expansion", seed, 2 * TLS_RANDOM_LEN,
90 key_block, key_block_len)) {
91 wpa_printf(MSG_DEBUG, "TLSv1: Failed to derive key_block");
94 wpa_hexdump_key(MSG_MSGDUMP, "TLSv1: key_block",
95 key_block, key_block_len);
99 /* client_write_MAC_secret */
100 os_memcpy(conn->rl.read_mac_secret, pos, conn->rl.hash_size);
101 pos += conn->rl.hash_size;
102 /* server_write_MAC_secret */
103 os_memcpy(conn->rl.write_mac_secret, pos, conn->rl.hash_size);
104 pos += conn->rl.hash_size;
106 /* client_write_key */
107 os_memcpy(conn->rl.read_key, pos, conn->rl.key_material_len);
108 pos += conn->rl.key_material_len;
109 /* server_write_key */
110 os_memcpy(conn->rl.write_key, pos, conn->rl.key_material_len);
111 pos += conn->rl.key_material_len;
113 /* client_write_IV */
114 os_memcpy(conn->rl.read_iv, pos, conn->rl.iv_size);
115 pos += conn->rl.iv_size;
116 /* server_write_IV */
117 os_memcpy(conn->rl.write_iv, pos, conn->rl.iv_size);
118 pos += conn->rl.iv_size;
125 * tlsv1_server_handshake - Process TLS handshake
126 * @conn: TLSv1 server connection data from tlsv1_server_init()
127 * @in_data: Input data from TLS peer
128 * @in_len: Input data length
129 * @out_len: Length of the output buffer.
130 * Returns: Pointer to output data, %NULL on failure
132 u8 * tlsv1_server_handshake(struct tlsv1_server *conn,
133 const u8 *in_data, size_t in_len,
137 u8 *msg = NULL, *in_msg, *in_pos, *in_end, alert, ct;
141 if (in_data == NULL || in_len == 0) {
142 wpa_printf(MSG_DEBUG, "TLSv1: No input data to server");
147 end = in_data + in_len;
148 in_msg = os_malloc(in_len);
152 /* Each received packet may include multiple records */
155 used = tlsv1_record_receive(&conn->rl, pos, end - pos,
156 in_msg, &in_msg_len, &alert);
158 wpa_printf(MSG_DEBUG, "TLSv1: Processing received "
160 tlsv1_server_alert(conn, TLS_ALERT_LEVEL_FATAL, alert);
165 wpa_printf(MSG_DEBUG, "TLSv1: Partial processing not "
167 tlsv1_server_alert(conn, TLS_ALERT_LEVEL_FATAL,
168 TLS_ALERT_INTERNAL_ERROR);
174 in_end = in_msg + in_msg_len;
176 /* Each received record may include multiple messages of the
177 * same ContentType. */
178 while (in_pos < in_end) {
179 in_msg_len = in_end - in_pos;
180 if (tlsv1_server_process_handshake(conn, ct, in_pos,
183 in_pos += in_msg_len;
192 msg = tlsv1_server_handshake_write(conn, out_len);
196 if (conn->alert_level) {
197 if (conn->state == FAILED) {
198 /* Avoid alert loops */
199 wpa_printf(MSG_DEBUG, "TLSv1: Drop alert loop");
203 conn->state = FAILED;
205 msg = tlsv1_server_send_alert(conn, conn->alert_level,
206 conn->alert_description,
208 conn->write_alerts++;
216 * tlsv1_server_encrypt - Encrypt data into TLS tunnel
217 * @conn: TLSv1 server connection data from tlsv1_server_init()
218 * @in_data: Pointer to plaintext data to be encrypted
219 * @in_len: Input buffer length
220 * @out_data: Pointer to output buffer (encrypted TLS data)
221 * @out_len: Maximum out_data length
222 * Returns: Number of bytes written to out_data, -1 on failure
224 * This function is used after TLS handshake has been completed successfully to
225 * send data in the encrypted tunnel.
227 int tlsv1_server_encrypt(struct tlsv1_server *conn,
228 const u8 *in_data, size_t in_len,
229 u8 *out_data, size_t out_len)
233 wpa_hexdump_key(MSG_MSGDUMP, "TLSv1: Plaintext AppData",
236 if (tlsv1_record_send(&conn->rl, TLS_CONTENT_TYPE_APPLICATION_DATA,
237 out_data, out_len, in_data, in_len, &rlen) < 0) {
238 wpa_printf(MSG_DEBUG, "TLSv1: Failed to create a record");
239 tlsv1_server_alert(conn, TLS_ALERT_LEVEL_FATAL,
240 TLS_ALERT_INTERNAL_ERROR);
249 * tlsv1_server_decrypt - Decrypt data from TLS tunnel
250 * @conn: TLSv1 server connection data from tlsv1_server_init()
251 * @in_data: Pointer to input buffer (encrypted TLS data)
252 * @in_len: Input buffer length
253 * @out_data: Pointer to output buffer (decrypted data from TLS tunnel)
254 * @out_len: Maximum out_data length
255 * Returns: Number of bytes written to out_data, -1 on failure
257 * This function is used after TLS handshake has been completed successfully to
258 * receive data from the encrypted tunnel.
260 int tlsv1_server_decrypt(struct tlsv1_server *conn,
261 const u8 *in_data, size_t in_len,
262 u8 *out_data, size_t out_len)
264 const u8 *in_end, *pos;
266 u8 alert, *out_end, *out_pos, ct;
270 in_end = in_data + in_len;
272 out_end = out_data + out_len;
274 while (pos < in_end) {
276 olen = out_end - out_pos;
277 used = tlsv1_record_receive(&conn->rl, pos, in_end - pos,
278 out_pos, &olen, &alert);
280 tlsv1_server_log(conn, "Record layer processing failed");
281 tlsv1_server_alert(conn, TLS_ALERT_LEVEL_FATAL, alert);
286 wpa_printf(MSG_DEBUG, "TLSv1: Partial processing not "
288 tlsv1_server_alert(conn, TLS_ALERT_LEVEL_FATAL, alert);
292 if (ct == TLS_CONTENT_TYPE_ALERT) {
294 tlsv1_server_log(conn, "Alert underflow");
295 tlsv1_server_alert(conn, TLS_ALERT_LEVEL_FATAL,
296 TLS_ALERT_DECODE_ERROR);
299 tlsv1_server_log(conn, "Received alert %d:%d",
300 out_pos[0], out_pos[1]);
302 if (out_pos[0] == TLS_ALERT_LEVEL_WARNING) {
303 /* Continue processing */
308 tlsv1_server_alert(conn, TLS_ALERT_LEVEL_FATAL,
313 if (ct != TLS_CONTENT_TYPE_APPLICATION_DATA) {
314 tlsv1_server_log(conn, "Unexpected content type 0x%x",
316 tlsv1_server_alert(conn, TLS_ALERT_LEVEL_FATAL,
317 TLS_ALERT_UNEXPECTED_MESSAGE);
321 #ifdef CONFIG_TESTING_OPTIONS
322 if ((conn->test_flags &
323 (TLS_BREAK_VERIFY_DATA | TLS_BREAK_SRV_KEY_X_HASH |
324 TLS_BREAK_SRV_KEY_X_SIGNATURE)) &&
325 !conn->test_failure_reported) {
326 tlsv1_server_log(conn, "TEST-FAILURE: Client ApplData received after invalid handshake");
327 conn->test_failure_reported = 1;
329 #endif /* CONFIG_TESTING_OPTIONS */
332 if (out_pos > out_end) {
333 wpa_printf(MSG_DEBUG, "TLSv1: Buffer not large enough "
334 "for processing the received record");
335 tlsv1_server_alert(conn, TLS_ALERT_LEVEL_FATAL,
336 TLS_ALERT_INTERNAL_ERROR);
343 return out_pos - out_data;
348 * tlsv1_server_global_init - Initialize TLSv1 server
349 * Returns: 0 on success, -1 on failure
351 * This function must be called before using any other TLSv1 server functions.
353 int tlsv1_server_global_init(void)
355 return crypto_global_init();
360 * tlsv1_server_global_deinit - Deinitialize TLSv1 server
362 * This function can be used to deinitialize the TLSv1 server that was
363 * initialized by calling tlsv1_server_global_init(). No TLSv1 server functions
364 * can be called after this before calling tlsv1_server_global_init() again.
366 void tlsv1_server_global_deinit(void)
368 crypto_global_deinit();
373 * tlsv1_server_init - Initialize TLSv1 server connection
374 * @cred: Pointer to server credentials from tlsv1_server_cred_alloc()
375 * Returns: Pointer to TLSv1 server connection data or %NULL on failure
377 struct tlsv1_server * tlsv1_server_init(struct tlsv1_credentials *cred)
379 struct tlsv1_server *conn;
383 conn = os_zalloc(sizeof(*conn));
389 conn->state = CLIENT_HELLO;
391 if (tls_verify_hash_init(&conn->verify) < 0) {
392 wpa_printf(MSG_DEBUG, "TLSv1: Failed to initialize verify "
399 suites = conn->cipher_suites;
400 suites[count++] = TLS_DHE_RSA_WITH_AES_256_CBC_SHA256;
401 suites[count++] = TLS_RSA_WITH_AES_256_CBC_SHA256;
402 suites[count++] = TLS_DHE_RSA_WITH_AES_256_CBC_SHA;
403 suites[count++] = TLS_RSA_WITH_AES_256_CBC_SHA;
404 suites[count++] = TLS_DHE_RSA_WITH_AES_128_CBC_SHA256;
405 suites[count++] = TLS_RSA_WITH_AES_128_CBC_SHA256;
406 suites[count++] = TLS_DHE_RSA_WITH_AES_128_CBC_SHA;
407 suites[count++] = TLS_RSA_WITH_AES_128_CBC_SHA;
408 suites[count++] = TLS_DHE_RSA_WITH_3DES_EDE_CBC_SHA;
409 suites[count++] = TLS_RSA_WITH_3DES_EDE_CBC_SHA;
410 suites[count++] = TLS_RSA_WITH_RC4_128_SHA;
411 suites[count++] = TLS_RSA_WITH_RC4_128_MD5;
412 conn->num_cipher_suites = count;
418 static void tlsv1_server_clear_data(struct tlsv1_server *conn)
420 tlsv1_record_set_cipher_suite(&conn->rl, TLS_NULL_WITH_NULL_NULL);
421 tlsv1_record_change_write_cipher(&conn->rl);
422 tlsv1_record_change_read_cipher(&conn->rl);
423 tls_verify_hash_free(&conn->verify);
425 crypto_public_key_free(conn->client_rsa_key);
426 conn->client_rsa_key = NULL;
428 os_free(conn->session_ticket);
429 conn->session_ticket = NULL;
430 conn->session_ticket_len = 0;
431 conn->use_session_ticket = 0;
433 os_free(conn->dh_secret);
434 conn->dh_secret = NULL;
435 conn->dh_secret_len = 0;
440 * tlsv1_server_deinit - Deinitialize TLSv1 server connection
441 * @conn: TLSv1 server connection data from tlsv1_server_init()
443 void tlsv1_server_deinit(struct tlsv1_server *conn)
445 tlsv1_server_clear_data(conn);
451 * tlsv1_server_established - Check whether connection has been established
452 * @conn: TLSv1 server connection data from tlsv1_server_init()
453 * Returns: 1 if connection is established, 0 if not
455 int tlsv1_server_established(struct tlsv1_server *conn)
457 return conn->state == ESTABLISHED;
462 * tlsv1_server_prf - Use TLS-PRF to derive keying material
463 * @conn: TLSv1 server connection data from tlsv1_server_init()
464 * @label: Label (e.g., description of the key) for PRF
465 * @context: Optional extra upper-layer context (max len 2^16)
466 * @context_len: The length of the context value
467 * @server_random_first: seed is 0 = client_random|server_random,
468 * 1 = server_random|client_random
469 * @out: Buffer for output data from TLS-PRF
470 * @out_len: Length of the output buffer
471 * Returns: 0 on success, -1 on failure
473 int tlsv1_server_prf(struct tlsv1_server *conn, const char *label,
474 const u8 *context, size_t context_len,
475 int server_random_first, u8 *out, size_t out_len)
478 size_t seed_len = 2 * TLS_RANDOM_LEN;
481 if (conn->state != ESTABLISHED)
484 if (context_len > 65535)
488 seed_len += 2 + context_len;
490 seed = os_malloc(seed_len);
494 if (server_random_first) {
495 os_memcpy(seed, conn->server_random, TLS_RANDOM_LEN);
496 os_memcpy(seed + TLS_RANDOM_LEN, conn->client_random,
499 os_memcpy(seed, conn->client_random, TLS_RANDOM_LEN);
500 os_memcpy(seed + TLS_RANDOM_LEN, conn->server_random,
505 pos = seed + 2 * TLS_RANDOM_LEN;
506 WPA_PUT_BE16(pos, context_len);
508 os_memcpy(pos, context, context_len);
511 res = tls_prf(conn->rl.tls_version,
512 conn->master_secret, TLS_MASTER_SECRET_LEN,
513 label, seed, seed_len, out, out_len);
520 * tlsv1_server_get_cipher - Get current cipher name
521 * @conn: TLSv1 server connection data from tlsv1_server_init()
522 * @buf: Buffer for the cipher name
524 * Returns: 0 on success, -1 on failure
526 * Get the name of the currently used cipher.
528 int tlsv1_server_get_cipher(struct tlsv1_server *conn, char *buf,
533 switch (conn->rl.cipher_suite) {
534 case TLS_RSA_WITH_RC4_128_MD5:
537 case TLS_RSA_WITH_RC4_128_SHA:
540 case TLS_RSA_WITH_DES_CBC_SHA:
541 cipher = "DES-CBC-SHA";
543 case TLS_RSA_WITH_3DES_EDE_CBC_SHA:
544 cipher = "DES-CBC3-SHA";
546 case TLS_DHE_RSA_WITH_DES_CBC_SHA:
547 cipher = "DHE-RSA-DES-CBC-SHA";
549 case TLS_DHE_RSA_WITH_3DES_EDE_CBC_SHA:
550 cipher = "DHE-RSA-DES-CBC3-SHA";
552 case TLS_DH_anon_WITH_RC4_128_MD5:
553 cipher = "ADH-RC4-MD5";
555 case TLS_DH_anon_WITH_DES_CBC_SHA:
556 cipher = "ADH-DES-SHA";
558 case TLS_DH_anon_WITH_3DES_EDE_CBC_SHA:
559 cipher = "ADH-DES-CBC3-SHA";
561 case TLS_RSA_WITH_AES_128_CBC_SHA:
562 cipher = "AES-128-SHA";
564 case TLS_DHE_RSA_WITH_AES_128_CBC_SHA:
565 cipher = "DHE-RSA-AES-128-SHA";
567 case TLS_DH_anon_WITH_AES_128_CBC_SHA:
568 cipher = "ADH-AES-128-SHA";
570 case TLS_RSA_WITH_AES_256_CBC_SHA:
571 cipher = "AES-256-SHA";
573 case TLS_DHE_RSA_WITH_AES_256_CBC_SHA:
574 cipher = "DHE-RSA-AES-256-SHA";
576 case TLS_DH_anon_WITH_AES_256_CBC_SHA:
577 cipher = "ADH-AES-256-SHA";
579 case TLS_RSA_WITH_AES_128_CBC_SHA256:
580 cipher = "AES-128-SHA256";
582 case TLS_RSA_WITH_AES_256_CBC_SHA256:
583 cipher = "AES-256-SHA256";
585 case TLS_DHE_RSA_WITH_AES_128_CBC_SHA256:
586 cipher = "DHE-RSA-AES-128-SHA256";
588 case TLS_DHE_RSA_WITH_AES_256_CBC_SHA256:
589 cipher = "DHE-RSA-AES-256-SHA256";
591 case TLS_DH_anon_WITH_AES_128_CBC_SHA256:
592 cipher = "ADH-AES-128-SHA256";
594 case TLS_DH_anon_WITH_AES_256_CBC_SHA256:
595 cipher = "ADH-AES-256-SHA256";
601 if (os_strlcpy(buf, cipher, buflen) >= buflen)
608 * tlsv1_server_shutdown - Shutdown TLS connection
609 * @conn: TLSv1 server connection data from tlsv1_server_init()
610 * Returns: 0 on success, -1 on failure
612 int tlsv1_server_shutdown(struct tlsv1_server *conn)
614 conn->state = CLIENT_HELLO;
616 if (tls_verify_hash_init(&conn->verify) < 0) {
617 wpa_printf(MSG_DEBUG, "TLSv1: Failed to re-initialize verify "
622 tlsv1_server_clear_data(conn);
629 * tlsv1_server_resumed - Was session resumption used
630 * @conn: TLSv1 server connection data from tlsv1_server_init()
631 * Returns: 1 if current session used session resumption, 0 if not
633 int tlsv1_server_resumed(struct tlsv1_server *conn)
640 * tlsv1_server_get_random - Get random data from TLS connection
641 * @conn: TLSv1 server connection data from tlsv1_server_init()
642 * @keys: Structure of random data (filled on success)
643 * Returns: 0 on success, -1 on failure
645 int tlsv1_server_get_random(struct tlsv1_server *conn, struct tls_random *keys)
647 os_memset(keys, 0, sizeof(*keys));
648 if (conn->state == CLIENT_HELLO)
651 keys->client_random = conn->client_random;
652 keys->client_random_len = TLS_RANDOM_LEN;
654 if (conn->state != SERVER_HELLO) {
655 keys->server_random = conn->server_random;
656 keys->server_random_len = TLS_RANDOM_LEN;
664 * tlsv1_server_get_keyblock_size - Get TLS key_block size
665 * @conn: TLSv1 server connection data from tlsv1_server_init()
666 * Returns: Size of the key_block for the negotiated cipher suite or -1 on
669 int tlsv1_server_get_keyblock_size(struct tlsv1_server *conn)
671 if (conn->state == CLIENT_HELLO || conn->state == SERVER_HELLO)
674 return 2 * (conn->rl.hash_size + conn->rl.key_material_len +
680 * tlsv1_server_set_cipher_list - Configure acceptable cipher suites
681 * @conn: TLSv1 server connection data from tlsv1_server_init()
682 * @ciphers: Zero (TLS_CIPHER_NONE) terminated list of allowed ciphers
684 * Returns: 0 on success, -1 on failure
686 int tlsv1_server_set_cipher_list(struct tlsv1_server *conn, u8 *ciphers)
691 /* TODO: implement proper configuration of cipher suites */
692 if (ciphers[0] == TLS_CIPHER_ANON_DH_AES128_SHA) {
694 suites = conn->cipher_suites;
695 suites[count++] = TLS_RSA_WITH_AES_256_CBC_SHA;
696 suites[count++] = TLS_RSA_WITH_AES_128_CBC_SHA;
697 suites[count++] = TLS_RSA_WITH_3DES_EDE_CBC_SHA;
698 suites[count++] = TLS_RSA_WITH_RC4_128_SHA;
699 suites[count++] = TLS_RSA_WITH_RC4_128_MD5;
700 suites[count++] = TLS_DH_anon_WITH_AES_256_CBC_SHA;
701 suites[count++] = TLS_DH_anon_WITH_AES_128_CBC_SHA;
702 suites[count++] = TLS_DH_anon_WITH_3DES_EDE_CBC_SHA;
703 suites[count++] = TLS_DH_anon_WITH_RC4_128_MD5;
704 suites[count++] = TLS_DH_anon_WITH_DES_CBC_SHA;
705 conn->num_cipher_suites = count;
712 int tlsv1_server_set_verify(struct tlsv1_server *conn, int verify_peer)
714 conn->verify_peer = verify_peer;
719 void tlsv1_server_set_session_ticket_cb(struct tlsv1_server *conn,
720 tlsv1_server_session_ticket_cb cb,
723 wpa_printf(MSG_DEBUG, "TLSv1: SessionTicket callback set %p (ctx %p)",
725 conn->session_ticket_cb = cb;
726 conn->session_ticket_cb_ctx = ctx;
730 void tlsv1_server_set_log_cb(struct tlsv1_server *conn,
731 void (*cb)(void *ctx, const char *msg), void *ctx)
734 conn->log_cb_ctx = ctx;
738 int tlsv1_server_get_failed(struct tlsv1_server *conn)
740 return conn->state == FAILED;
744 int tlsv1_server_get_read_alerts(struct tlsv1_server *conn)
746 return conn->read_alerts;
750 int tlsv1_server_get_write_alerts(struct tlsv1_server *conn)
752 return conn->write_alerts;
756 #ifdef CONFIG_TESTING_OPTIONS
757 void tlsv1_server_set_test_flags(struct tlsv1_server *conn, u32 flags)
759 conn->test_flags = flags;
763 static const u8 test_tls_prime15[1] = {
767 static const u8 test_tls_prime511b[64] = {
768 0x50, 0xfb, 0xf1, 0xae, 0x01, 0xf1, 0xfe, 0xe6,
769 0xe1, 0xae, 0xdc, 0x1e, 0xbe, 0xfb, 0x9e, 0x58,
770 0x9a, 0xd7, 0x54, 0x9d, 0x6b, 0xb3, 0x78, 0xe2,
771 0x39, 0x7f, 0x30, 0x01, 0x25, 0xa1, 0xf9, 0x7c,
772 0x55, 0x0e, 0xa1, 0x15, 0xcc, 0x36, 0x34, 0xbb,
773 0x6c, 0x8b, 0x64, 0x45, 0x15, 0x7f, 0xd3, 0xe7,
774 0x31, 0xc8, 0x8e, 0x56, 0x8e, 0x95, 0xdc, 0xea,
775 0x9e, 0xdf, 0xf7, 0x56, 0xdd, 0xb0, 0x34, 0xdb
778 static const u8 test_tls_prime767b[96] = {
779 0x4c, 0xdc, 0xb8, 0x21, 0x20, 0x9d, 0xe8, 0xa3,
780 0x53, 0xd9, 0x1c, 0x18, 0xc1, 0x3a, 0x58, 0x67,
781 0xa7, 0x85, 0xf9, 0x28, 0x9b, 0xce, 0xc0, 0xd1,
782 0x05, 0x84, 0x61, 0x97, 0xb2, 0x86, 0x1c, 0xd0,
783 0xd1, 0x96, 0x23, 0x29, 0x8c, 0xc5, 0x30, 0x68,
784 0x3e, 0xf9, 0x05, 0xba, 0x60, 0xeb, 0xdb, 0xee,
785 0x2d, 0xdf, 0x84, 0x65, 0x49, 0x87, 0x90, 0x2a,
786 0xc9, 0x8e, 0x34, 0x63, 0x6d, 0x9a, 0x2d, 0x32,
787 0x1c, 0x46, 0xd5, 0x4e, 0x20, 0x20, 0x90, 0xac,
788 0xd5, 0x48, 0x79, 0x99, 0x0c, 0xe6, 0xed, 0xbf,
789 0x79, 0xc2, 0x47, 0x50, 0x95, 0x38, 0x38, 0xbc,
790 0xde, 0xb0, 0xd2, 0xe8, 0x97, 0xcb, 0x22, 0xbb
793 static const u8 test_tls_prime58[128] = {
794 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
795 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
796 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
797 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
798 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
799 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
800 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
801 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
802 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
803 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
804 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
805 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
806 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
807 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
808 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
809 0x03, 0xc1, 0xba, 0xc8, 0x25, 0xbe, 0x2d, 0xf3
812 static const u8 test_tls_non_prime[] = {
814 * This is not a prime and the value has the following factors:
815 * 13736783488716579923 * 16254860191773456563 * 18229434976173670763 *
816 * 11112313018289079419 * 10260802278580253339 * 12394009491575311499 *
817 * 12419059668711064739 * 14317973192687985827 * 10498605410533203179 *
818 * 16338688760390249003 * 11128963991123878883 * 12990532258280301419 *
821 0x0C, 0x8C, 0x36, 0x9C, 0x6F, 0x71, 0x2E, 0xA7,
822 0xAB, 0x32, 0xD3, 0x0F, 0x68, 0x3D, 0xB2, 0x6D,
823 0x81, 0xDD, 0xC4, 0x84, 0x0D, 0x9C, 0x6E, 0x36,
824 0x29, 0x70, 0xF3, 0x1E, 0x9A, 0x42, 0x0B, 0x67,
825 0x82, 0x6B, 0xB1, 0xF2, 0xAF, 0x55, 0x28, 0xE7,
826 0xDB, 0x67, 0x6C, 0xF7, 0x6B, 0xAC, 0xAC, 0xE5,
827 0xF7, 0x9F, 0xD4, 0x63, 0x55, 0x70, 0x32, 0x7C,
828 0x70, 0xFB, 0xAF, 0xB8, 0xEB, 0x37, 0xCF, 0x3F,
829 0xFE, 0x94, 0x73, 0xF9, 0x7A, 0xC7, 0x12, 0x2E,
830 0x9B, 0xB4, 0x7D, 0x08, 0x60, 0x83, 0x43, 0x52,
831 0x83, 0x1E, 0xA5, 0xFC, 0xFA, 0x87, 0x12, 0xF4,
832 0x64, 0xE2, 0xCE, 0x71, 0x17, 0x72, 0xB6, 0xAB
835 #endif /* CONFIG_TESTING_OPTIONS */
838 void tlsv1_server_get_dh_p(struct tlsv1_server *conn, const u8 **dh_p,
841 *dh_p = conn->cred->dh_p;
842 *dh_p_len = conn->cred->dh_p_len;
844 #ifdef CONFIG_TESTING_OPTIONS
845 if (conn->test_flags & TLS_DHE_PRIME_511B) {
846 tlsv1_server_log(conn, "TESTING: Use short 511-bit prime with DHE");
847 *dh_p = test_tls_prime511b;
848 *dh_p_len = sizeof(test_tls_prime511b);
849 } else if (conn->test_flags & TLS_DHE_PRIME_767B) {
850 tlsv1_server_log(conn, "TESTING: Use short 767-bit prime with DHE");
851 *dh_p = test_tls_prime767b;
852 *dh_p_len = sizeof(test_tls_prime767b);
853 } else if (conn->test_flags & TLS_DHE_PRIME_15) {
854 tlsv1_server_log(conn, "TESTING: Use bogus 15 \"prime\" with DHE");
855 *dh_p = test_tls_prime15;
856 *dh_p_len = sizeof(test_tls_prime15);
857 } else if (conn->test_flags & TLS_DHE_PRIME_58B) {
858 tlsv1_server_log(conn, "TESTING: Use short 58-bit prime in long container with DHE");
859 *dh_p = test_tls_prime58;
860 *dh_p_len = sizeof(test_tls_prime58);
861 } else if (conn->test_flags & TLS_DHE_NON_PRIME) {
862 tlsv1_server_log(conn, "TESTING: Use claim non-prime as the DHE prime");
863 *dh_p = test_tls_non_prime;
864 *dh_p_len = sizeof(test_tls_non_prime);
866 #endif /* CONFIG_TESTING_OPTIONS */