xref: /openbsd-src/lib/libssl/s3_lib.c (revision 8e0c768258d4632c51876b4397034bc3152bf8db)
1 /* $OpenBSD: s3_lib.c,v 1.187 2019/10/04 17:21:24 jsing Exp $ */
2 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
3  * All rights reserved.
4  *
5  * This package is an SSL implementation written
6  * by Eric Young (eay@cryptsoft.com).
7  * The implementation was written so as to conform with Netscapes SSL.
8  *
9  * This library is free for commercial and non-commercial use as long as
10  * the following conditions are aheared to.  The following conditions
11  * apply to all code found in this distribution, be it the RC4, RSA,
12  * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
13  * included with this distribution is covered by the same copyright terms
14  * except that the holder is Tim Hudson (tjh@cryptsoft.com).
15  *
16  * Copyright remains Eric Young's, and as such any Copyright notices in
17  * the code are not to be removed.
18  * If this package is used in a product, Eric Young should be given attribution
19  * as the author of the parts of the library used.
20  * This can be in the form of a textual message at program startup or
21  * in documentation (online or textual) provided with the package.
22  *
23  * Redistribution and use in source and binary forms, with or without
24  * modification, are permitted provided that the following conditions
25  * are met:
26  * 1. Redistributions of source code must retain the copyright
27  *    notice, this list of conditions and the following disclaimer.
28  * 2. Redistributions in binary form must reproduce the above copyright
29  *    notice, this list of conditions and the following disclaimer in the
30  *    documentation and/or other materials provided with the distribution.
31  * 3. All advertising materials mentioning features or use of this software
32  *    must display the following acknowledgement:
33  *    "This product includes cryptographic software written by
34  *     Eric Young (eay@cryptsoft.com)"
35  *    The word 'cryptographic' can be left out if the rouines from the library
36  *    being used are not cryptographic related :-).
37  * 4. If you include any Windows specific code (or a derivative thereof) from
38  *    the apps directory (application code) you must include an acknowledgement:
39  *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
40  *
41  * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
42  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
43  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
44  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
45  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
46  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
47  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
48  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
49  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
50  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
51  * SUCH DAMAGE.
52  *
53  * The licence and distribution terms for any publically available version or
54  * derivative of this code cannot be changed.  i.e. this code cannot simply be
55  * copied and put under another distribution licence
56  * [including the GNU Public Licence.]
57  */
58 /* ====================================================================
59  * Copyright (c) 1998-2007 The OpenSSL Project.  All rights reserved.
60  *
61  * Redistribution and use in source and binary forms, with or without
62  * modification, are permitted provided that the following conditions
63  * are met:
64  *
65  * 1. Redistributions of source code must retain the above copyright
66  *    notice, this list of conditions and the following disclaimer.
67  *
68  * 2. Redistributions in binary form must reproduce the above copyright
69  *    notice, this list of conditions and the following disclaimer in
70  *    the documentation and/or other materials provided with the
71  *    distribution.
72  *
73  * 3. All advertising materials mentioning features or use of this
74  *    software must display the following acknowledgment:
75  *    "This product includes software developed by the OpenSSL Project
76  *    for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
77  *
78  * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
79  *    endorse or promote products derived from this software without
80  *    prior written permission. For written permission, please contact
81  *    openssl-core@openssl.org.
82  *
83  * 5. Products derived from this software may not be called "OpenSSL"
84  *    nor may "OpenSSL" appear in their names without prior written
85  *    permission of the OpenSSL Project.
86  *
87  * 6. Redistributions of any form whatsoever must retain the following
88  *    acknowledgment:
89  *    "This product includes software developed by the OpenSSL Project
90  *    for use in the OpenSSL Toolkit (http://www.openssl.org/)"
91  *
92  * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
93  * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
94  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
95  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
96  * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
97  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
98  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
99  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
100  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
101  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
102  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
103  * OF THE POSSIBILITY OF SUCH DAMAGE.
104  * ====================================================================
105  *
106  * This product includes cryptographic software written by Eric Young
107  * (eay@cryptsoft.com).  This product includes software written by Tim
108  * Hudson (tjh@cryptsoft.com).
109  *
110  */
111 /* ====================================================================
112  * Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED.
113  *
114  * Portions of the attached software ("Contribution") are developed by
115  * SUN MICROSYSTEMS, INC., and are contributed to the OpenSSL project.
116  *
117  * The Contribution is licensed pursuant to the OpenSSL open source
118  * license provided above.
119  *
120  * ECC cipher suite support in OpenSSL originally written by
121  * Vipul Gupta and Sumit Gupta of Sun Microsystems Laboratories.
122  *
123  */
124 /* ====================================================================
125  * Copyright 2005 Nokia. All rights reserved.
126  *
127  * The portions of the attached software ("Contribution") is developed by
128  * Nokia Corporation and is licensed pursuant to the OpenSSL open source
129  * license.
130  *
131  * The Contribution, originally written by Mika Kousa and Pasi Eronen of
132  * Nokia Corporation, consists of the "PSK" (Pre-Shared Key) ciphersuites
133  * support (see RFC 4279) to OpenSSL.
134  *
135  * No patent licenses or other rights except those expressly stated in
136  * the OpenSSL open source license shall be deemed granted or received
137  * expressly, by implication, estoppel, or otherwise.
138  *
139  * No assurances are provided by Nokia that the Contribution does not
140  * infringe the patent or other intellectual property rights of any third
141  * party or that the license provides you with all the necessary rights
142  * to make use of the Contribution.
143  *
144  * THE SOFTWARE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. IN
145  * ADDITION TO THE DISCLAIMERS INCLUDED IN THE LICENSE, NOKIA
146  * SPECIFICALLY DISCLAIMS ANY LIABILITY FOR CLAIMS BROUGHT BY YOU OR ANY
147  * OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL PROPERTY RIGHTS OR
148  * OTHERWISE.
149  */
150 
151 #include <limits.h>
152 #include <stdio.h>
153 
154 #include <openssl/bn.h>
155 #include <openssl/curve25519.h>
156 #include <openssl/dh.h>
157 #include <openssl/md5.h>
158 #include <openssl/objects.h>
159 
160 #include "ssl_locl.h"
161 #include "bytestring.h"
162 
163 #define SSL3_NUM_CIPHERS	(sizeof(ssl3_ciphers) / sizeof(SSL_CIPHER))
164 
165 /*
166  * FIXED_NONCE_LEN is a macro that provides in the correct value to set the
167  * fixed nonce length in algorithms2. It is the inverse of the
168  * SSL_CIPHER_AEAD_FIXED_NONCE_LEN macro.
169  */
170 #define FIXED_NONCE_LEN(x) (((x / 2) & 0xf) << 24)
171 
172 /* list of available SSLv3 ciphers (sorted by id) */
173 SSL_CIPHER ssl3_ciphers[] = {
174 
175 	/* The RSA ciphers */
176 	/* Cipher 01 */
177 	{
178 		.valid = 1,
179 		.name = SSL3_TXT_RSA_NULL_MD5,
180 		.id = SSL3_CK_RSA_NULL_MD5,
181 		.algorithm_mkey = SSL_kRSA,
182 		.algorithm_auth = SSL_aRSA,
183 		.algorithm_enc = SSL_eNULL,
184 		.algorithm_mac = SSL_MD5,
185 		.algorithm_ssl = SSL_SSLV3,
186 		.algo_strength = SSL_STRONG_NONE,
187 		.algorithm2 = SSL_HANDSHAKE_MAC_DEFAULT|TLS1_PRF,
188 		.strength_bits = 0,
189 		.alg_bits = 0,
190 	},
191 
192 	/* Cipher 02 */
193 	{
194 		.valid = 1,
195 		.name = SSL3_TXT_RSA_NULL_SHA,
196 		.id = SSL3_CK_RSA_NULL_SHA,
197 		.algorithm_mkey = SSL_kRSA,
198 		.algorithm_auth = SSL_aRSA,
199 		.algorithm_enc = SSL_eNULL,
200 		.algorithm_mac = SSL_SHA1,
201 		.algorithm_ssl = SSL_SSLV3,
202 		.algo_strength = SSL_STRONG_NONE,
203 		.algorithm2 = SSL_HANDSHAKE_MAC_DEFAULT|TLS1_PRF,
204 		.strength_bits = 0,
205 		.alg_bits = 0,
206 	},
207 
208 	/* Cipher 04 */
209 	{
210 		.valid = 1,
211 		.name = SSL3_TXT_RSA_RC4_128_MD5,
212 		.id = SSL3_CK_RSA_RC4_128_MD5,
213 		.algorithm_mkey = SSL_kRSA,
214 		.algorithm_auth = SSL_aRSA,
215 		.algorithm_enc = SSL_RC4,
216 		.algorithm_mac = SSL_MD5,
217 		.algorithm_ssl = SSL_SSLV3,
218 		.algo_strength = SSL_LOW,
219 		.algorithm2 = SSL_HANDSHAKE_MAC_DEFAULT|TLS1_PRF,
220 		.strength_bits = 128,
221 		.alg_bits = 128,
222 	},
223 
224 	/* Cipher 05 */
225 	{
226 		.valid = 1,
227 		.name = SSL3_TXT_RSA_RC4_128_SHA,
228 		.id = SSL3_CK_RSA_RC4_128_SHA,
229 		.algorithm_mkey = SSL_kRSA,
230 		.algorithm_auth = SSL_aRSA,
231 		.algorithm_enc = SSL_RC4,
232 		.algorithm_mac = SSL_SHA1,
233 		.algorithm_ssl = SSL_SSLV3,
234 		.algo_strength = SSL_LOW,
235 		.algorithm2 = SSL_HANDSHAKE_MAC_DEFAULT|TLS1_PRF,
236 		.strength_bits = 128,
237 		.alg_bits = 128,
238 	},
239 
240 	/* Cipher 0A */
241 	{
242 		.valid = 1,
243 		.name = SSL3_TXT_RSA_DES_192_CBC3_SHA,
244 		.id = SSL3_CK_RSA_DES_192_CBC3_SHA,
245 		.algorithm_mkey = SSL_kRSA,
246 		.algorithm_auth = SSL_aRSA,
247 		.algorithm_enc = SSL_3DES,
248 		.algorithm_mac = SSL_SHA1,
249 		.algorithm_ssl = SSL_SSLV3,
250 		.algo_strength = SSL_MEDIUM,
251 		.algorithm2 = SSL_HANDSHAKE_MAC_DEFAULT|TLS1_PRF,
252 		.strength_bits = 112,
253 		.alg_bits = 168,
254 	},
255 
256 	/*
257 	 * Ephemeral DH (DHE) ciphers.
258 	 */
259 
260 	/* Cipher 16 */
261 	{
262 		.valid = 1,
263 		.name = SSL3_TXT_EDH_RSA_DES_192_CBC3_SHA,
264 		.id = SSL3_CK_EDH_RSA_DES_192_CBC3_SHA,
265 		.algorithm_mkey = SSL_kDHE,
266 		.algorithm_auth = SSL_aRSA,
267 		.algorithm_enc = SSL_3DES,
268 		.algorithm_mac = SSL_SHA1,
269 		.algorithm_ssl = SSL_SSLV3,
270 		.algo_strength = SSL_MEDIUM,
271 		.algorithm2 = SSL_HANDSHAKE_MAC_DEFAULT|TLS1_PRF,
272 		.strength_bits = 112,
273 		.alg_bits = 168,
274 	},
275 
276 	/* Cipher 18 */
277 	{
278 		.valid = 1,
279 		.name = SSL3_TXT_ADH_RC4_128_MD5,
280 		.id = SSL3_CK_ADH_RC4_128_MD5,
281 		.algorithm_mkey = SSL_kDHE,
282 		.algorithm_auth = SSL_aNULL,
283 		.algorithm_enc = SSL_RC4,
284 		.algorithm_mac = SSL_MD5,
285 		.algorithm_ssl = SSL_SSLV3,
286 		.algo_strength = SSL_LOW,
287 		.algorithm2 = SSL_HANDSHAKE_MAC_DEFAULT|TLS1_PRF,
288 		.strength_bits = 128,
289 		.alg_bits = 128,
290 	},
291 
292 	/* Cipher 1B */
293 	{
294 		.valid = 1,
295 		.name = SSL3_TXT_ADH_DES_192_CBC_SHA,
296 		.id = SSL3_CK_ADH_DES_192_CBC_SHA,
297 		.algorithm_mkey = SSL_kDHE,
298 		.algorithm_auth = SSL_aNULL,
299 		.algorithm_enc = SSL_3DES,
300 		.algorithm_mac = SSL_SHA1,
301 		.algorithm_ssl = SSL_SSLV3,
302 		.algo_strength = SSL_MEDIUM,
303 		.algorithm2 = SSL_HANDSHAKE_MAC_DEFAULT|TLS1_PRF,
304 		.strength_bits = 112,
305 		.alg_bits = 168,
306 	},
307 
308 	/*
309 	 * AES ciphersuites.
310 	 */
311 
312 	/* Cipher 2F */
313 	{
314 		.valid = 1,
315 		.name = TLS1_TXT_RSA_WITH_AES_128_SHA,
316 		.id = TLS1_CK_RSA_WITH_AES_128_SHA,
317 		.algorithm_mkey = SSL_kRSA,
318 		.algorithm_auth = SSL_aRSA,
319 		.algorithm_enc = SSL_AES128,
320 		.algorithm_mac = SSL_SHA1,
321 		.algorithm_ssl = SSL_TLSV1,
322 		.algo_strength = SSL_HIGH,
323 		.algorithm2 = SSL_HANDSHAKE_MAC_DEFAULT|TLS1_PRF,
324 		.strength_bits = 128,
325 		.alg_bits = 128,
326 	},
327 
328 	/* Cipher 33 */
329 	{
330 		.valid = 1,
331 		.name = TLS1_TXT_DHE_RSA_WITH_AES_128_SHA,
332 		.id = TLS1_CK_DHE_RSA_WITH_AES_128_SHA,
333 		.algorithm_mkey = SSL_kDHE,
334 		.algorithm_auth = SSL_aRSA,
335 		.algorithm_enc = SSL_AES128,
336 		.algorithm_mac = SSL_SHA1,
337 		.algorithm_ssl = SSL_TLSV1,
338 		.algo_strength = SSL_HIGH,
339 		.algorithm2 = SSL_HANDSHAKE_MAC_DEFAULT|TLS1_PRF,
340 		.strength_bits = 128,
341 		.alg_bits = 128,
342 	},
343 
344 	/* Cipher 34 */
345 	{
346 		.valid = 1,
347 		.name = TLS1_TXT_ADH_WITH_AES_128_SHA,
348 		.id = TLS1_CK_ADH_WITH_AES_128_SHA,
349 		.algorithm_mkey = SSL_kDHE,
350 		.algorithm_auth = SSL_aNULL,
351 		.algorithm_enc = SSL_AES128,
352 		.algorithm_mac = SSL_SHA1,
353 		.algorithm_ssl = SSL_TLSV1,
354 		.algo_strength = SSL_HIGH,
355 		.algorithm2 = SSL_HANDSHAKE_MAC_DEFAULT|TLS1_PRF,
356 		.strength_bits = 128,
357 		.alg_bits = 128,
358 	},
359 
360 	/* Cipher 35 */
361 	{
362 		.valid = 1,
363 		.name = TLS1_TXT_RSA_WITH_AES_256_SHA,
364 		.id = TLS1_CK_RSA_WITH_AES_256_SHA,
365 		.algorithm_mkey = SSL_kRSA,
366 		.algorithm_auth = SSL_aRSA,
367 		.algorithm_enc = SSL_AES256,
368 		.algorithm_mac = SSL_SHA1,
369 		.algorithm_ssl = SSL_TLSV1,
370 		.algo_strength = SSL_HIGH,
371 		.algorithm2 = SSL_HANDSHAKE_MAC_DEFAULT|TLS1_PRF,
372 		.strength_bits = 256,
373 		.alg_bits = 256,
374 	},
375 
376 	/* Cipher 39 */
377 	{
378 		.valid = 1,
379 		.name = TLS1_TXT_DHE_RSA_WITH_AES_256_SHA,
380 		.id = TLS1_CK_DHE_RSA_WITH_AES_256_SHA,
381 		.algorithm_mkey = SSL_kDHE,
382 		.algorithm_auth = SSL_aRSA,
383 		.algorithm_enc = SSL_AES256,
384 		.algorithm_mac = SSL_SHA1,
385 		.algorithm_ssl = SSL_TLSV1,
386 		.algo_strength = SSL_HIGH,
387 		.algorithm2 = SSL_HANDSHAKE_MAC_DEFAULT|TLS1_PRF,
388 		.strength_bits = 256,
389 		.alg_bits = 256,
390 	},
391 
392 	/* Cipher 3A */
393 	{
394 		.valid = 1,
395 		.name = TLS1_TXT_ADH_WITH_AES_256_SHA,
396 		.id = TLS1_CK_ADH_WITH_AES_256_SHA,
397 		.algorithm_mkey = SSL_kDHE,
398 		.algorithm_auth = SSL_aNULL,
399 		.algorithm_enc = SSL_AES256,
400 		.algorithm_mac = SSL_SHA1,
401 		.algorithm_ssl = SSL_TLSV1,
402 		.algo_strength = SSL_HIGH,
403 		.algorithm2 = SSL_HANDSHAKE_MAC_DEFAULT|TLS1_PRF,
404 		.strength_bits = 256,
405 		.alg_bits = 256,
406 	},
407 
408 	/* TLS v1.2 ciphersuites */
409 	/* Cipher 3B */
410 	{
411 		.valid = 1,
412 		.name = TLS1_TXT_RSA_WITH_NULL_SHA256,
413 		.id = TLS1_CK_RSA_WITH_NULL_SHA256,
414 		.algorithm_mkey = SSL_kRSA,
415 		.algorithm_auth = SSL_aRSA,
416 		.algorithm_enc = SSL_eNULL,
417 		.algorithm_mac = SSL_SHA256,
418 		.algorithm_ssl = SSL_TLSV1_2,
419 		.algo_strength = SSL_STRONG_NONE,
420 		.algorithm2 = SSL_HANDSHAKE_MAC_DEFAULT|TLS1_PRF,
421 		.strength_bits = 0,
422 		.alg_bits = 0,
423 	},
424 
425 	/* Cipher 3C */
426 	{
427 		.valid = 1,
428 		.name = TLS1_TXT_RSA_WITH_AES_128_SHA256,
429 		.id = TLS1_CK_RSA_WITH_AES_128_SHA256,
430 		.algorithm_mkey = SSL_kRSA,
431 		.algorithm_auth = SSL_aRSA,
432 		.algorithm_enc = SSL_AES128,
433 		.algorithm_mac = SSL_SHA256,
434 		.algorithm_ssl = SSL_TLSV1_2,
435 		.algo_strength = SSL_HIGH,
436 		.algorithm2 = SSL_HANDSHAKE_MAC_DEFAULT|TLS1_PRF,
437 		.strength_bits = 128,
438 		.alg_bits = 128,
439 	},
440 
441 	/* Cipher 3D */
442 	{
443 		.valid = 1,
444 		.name = TLS1_TXT_RSA_WITH_AES_256_SHA256,
445 		.id = TLS1_CK_RSA_WITH_AES_256_SHA256,
446 		.algorithm_mkey = SSL_kRSA,
447 		.algorithm_auth = SSL_aRSA,
448 		.algorithm_enc = SSL_AES256,
449 		.algorithm_mac = SSL_SHA256,
450 		.algorithm_ssl = SSL_TLSV1_2,
451 		.algo_strength = SSL_HIGH,
452 		.algorithm2 = SSL_HANDSHAKE_MAC_DEFAULT|TLS1_PRF,
453 		.strength_bits = 256,
454 		.alg_bits = 256,
455 	},
456 
457 #ifndef OPENSSL_NO_CAMELLIA
458 	/* Camellia ciphersuites from RFC4132 (128-bit portion) */
459 
460 	/* Cipher 41 */
461 	{
462 		.valid = 1,
463 		.name = TLS1_TXT_RSA_WITH_CAMELLIA_128_CBC_SHA,
464 		.id = TLS1_CK_RSA_WITH_CAMELLIA_128_CBC_SHA,
465 		.algorithm_mkey = SSL_kRSA,
466 		.algorithm_auth = SSL_aRSA,
467 		.algorithm_enc = SSL_CAMELLIA128,
468 		.algorithm_mac = SSL_SHA1,
469 		.algorithm_ssl = SSL_TLSV1,
470 		.algo_strength = SSL_HIGH,
471 		.algorithm2 = SSL_HANDSHAKE_MAC_DEFAULT|TLS1_PRF,
472 		.strength_bits = 128,
473 		.alg_bits = 128,
474 	},
475 
476 	/* Cipher 45 */
477 	{
478 		.valid = 1,
479 		.name = TLS1_TXT_DHE_RSA_WITH_CAMELLIA_128_CBC_SHA,
480 		.id = TLS1_CK_DHE_RSA_WITH_CAMELLIA_128_CBC_SHA,
481 		.algorithm_mkey = SSL_kDHE,
482 		.algorithm_auth = SSL_aRSA,
483 		.algorithm_enc = SSL_CAMELLIA128,
484 		.algorithm_mac = SSL_SHA1,
485 		.algorithm_ssl = SSL_TLSV1,
486 		.algo_strength = SSL_HIGH,
487 		.algorithm2 = SSL_HANDSHAKE_MAC_DEFAULT|TLS1_PRF,
488 		.strength_bits = 128,
489 		.alg_bits = 128,
490 	},
491 
492 	/* Cipher 46 */
493 	{
494 		.valid = 1,
495 		.name = TLS1_TXT_ADH_WITH_CAMELLIA_128_CBC_SHA,
496 		.id = TLS1_CK_ADH_WITH_CAMELLIA_128_CBC_SHA,
497 		.algorithm_mkey = SSL_kDHE,
498 		.algorithm_auth = SSL_aNULL,
499 		.algorithm_enc = SSL_CAMELLIA128,
500 		.algorithm_mac = SSL_SHA1,
501 		.algorithm_ssl = SSL_TLSV1,
502 		.algo_strength = SSL_HIGH,
503 		.algorithm2 = SSL_HANDSHAKE_MAC_DEFAULT|TLS1_PRF,
504 		.strength_bits = 128,
505 		.alg_bits = 128,
506 	},
507 #endif /* OPENSSL_NO_CAMELLIA */
508 
509 	/* TLS v1.2 ciphersuites */
510 	/* Cipher 67 */
511 	{
512 		.valid = 1,
513 		.name = TLS1_TXT_DHE_RSA_WITH_AES_128_SHA256,
514 		.id = TLS1_CK_DHE_RSA_WITH_AES_128_SHA256,
515 		.algorithm_mkey = SSL_kDHE,
516 		.algorithm_auth = SSL_aRSA,
517 		.algorithm_enc = SSL_AES128,
518 		.algorithm_mac = SSL_SHA256,
519 		.algorithm_ssl = SSL_TLSV1_2,
520 		.algo_strength = SSL_HIGH,
521 		.algorithm2 = SSL_HANDSHAKE_MAC_DEFAULT|TLS1_PRF,
522 		.strength_bits = 128,
523 		.alg_bits = 128,
524 	},
525 
526 	/* Cipher 6B */
527 	{
528 		.valid = 1,
529 		.name = TLS1_TXT_DHE_RSA_WITH_AES_256_SHA256,
530 		.id = TLS1_CK_DHE_RSA_WITH_AES_256_SHA256,
531 		.algorithm_mkey = SSL_kDHE,
532 		.algorithm_auth = SSL_aRSA,
533 		.algorithm_enc = SSL_AES256,
534 		.algorithm_mac = SSL_SHA256,
535 		.algorithm_ssl = SSL_TLSV1_2,
536 		.algo_strength = SSL_HIGH,
537 		.algorithm2 = SSL_HANDSHAKE_MAC_DEFAULT|TLS1_PRF,
538 		.strength_bits = 256,
539 		.alg_bits = 256,
540 	},
541 
542 	/* Cipher 6C */
543 	{
544 		.valid = 1,
545 		.name = TLS1_TXT_ADH_WITH_AES_128_SHA256,
546 		.id = TLS1_CK_ADH_WITH_AES_128_SHA256,
547 		.algorithm_mkey = SSL_kDHE,
548 		.algorithm_auth = SSL_aNULL,
549 		.algorithm_enc = SSL_AES128,
550 		.algorithm_mac = SSL_SHA256,
551 		.algorithm_ssl = SSL_TLSV1_2,
552 		.algo_strength = SSL_HIGH,
553 		.algorithm2 = SSL_HANDSHAKE_MAC_DEFAULT|TLS1_PRF,
554 		.strength_bits = 128,
555 		.alg_bits = 128,
556 	},
557 
558 	/* Cipher 6D */
559 	{
560 		.valid = 1,
561 		.name = TLS1_TXT_ADH_WITH_AES_256_SHA256,
562 		.id = TLS1_CK_ADH_WITH_AES_256_SHA256,
563 		.algorithm_mkey = SSL_kDHE,
564 		.algorithm_auth = SSL_aNULL,
565 		.algorithm_enc = SSL_AES256,
566 		.algorithm_mac = SSL_SHA256,
567 		.algorithm_ssl = SSL_TLSV1_2,
568 		.algo_strength = SSL_HIGH,
569 		.algorithm2 = SSL_HANDSHAKE_MAC_DEFAULT|TLS1_PRF,
570 		.strength_bits = 256,
571 		.alg_bits = 256,
572 	},
573 
574 	/* GOST Ciphersuites */
575 
576 	/* Cipher 81 */
577 	{
578 		.valid = 1,
579 		.name = "GOST2001-GOST89-GOST89",
580 		.id = 0x3000081,
581 		.algorithm_mkey = SSL_kGOST,
582 		.algorithm_auth = SSL_aGOST01,
583 		.algorithm_enc = SSL_eGOST2814789CNT,
584 		.algorithm_mac = SSL_GOST89MAC,
585 		.algorithm_ssl = SSL_TLSV1,
586 		.algo_strength = SSL_HIGH,
587 		.algorithm2 = SSL_HANDSHAKE_MAC_GOST94|TLS1_PRF_GOST94|
588 		    TLS1_STREAM_MAC,
589 		.strength_bits = 256,
590 		.alg_bits = 256
591 	},
592 
593 	/* Cipher 83 */
594 	{
595 		.valid = 1,
596 		.name = "GOST2001-NULL-GOST94",
597 		.id = 0x3000083,
598 		.algorithm_mkey = SSL_kGOST,
599 		.algorithm_auth = SSL_aGOST01,
600 		.algorithm_enc = SSL_eNULL,
601 		.algorithm_mac = SSL_GOST94,
602 		.algorithm_ssl = SSL_TLSV1,
603 		.algo_strength = SSL_STRONG_NONE,
604 		.algorithm2 = SSL_HANDSHAKE_MAC_GOST94|TLS1_PRF_GOST94,
605 		.strength_bits = 0,
606 		.alg_bits = 0
607 	},
608 
609 #ifndef OPENSSL_NO_CAMELLIA
610 	/* Camellia ciphersuites from RFC4132 (256-bit portion) */
611 
612 	/* Cipher 84 */
613 	{
614 		.valid = 1,
615 		.name = TLS1_TXT_RSA_WITH_CAMELLIA_256_CBC_SHA,
616 		.id = TLS1_CK_RSA_WITH_CAMELLIA_256_CBC_SHA,
617 		.algorithm_mkey = SSL_kRSA,
618 		.algorithm_auth = SSL_aRSA,
619 		.algorithm_enc = SSL_CAMELLIA256,
620 		.algorithm_mac = SSL_SHA1,
621 		.algorithm_ssl = SSL_TLSV1,
622 		.algo_strength = SSL_HIGH,
623 		.algorithm2 = SSL_HANDSHAKE_MAC_DEFAULT|TLS1_PRF,
624 		.strength_bits = 256,
625 		.alg_bits = 256,
626 	},
627 
628 	/* Cipher 88 */
629 	{
630 		.valid = 1,
631 		.name = TLS1_TXT_DHE_RSA_WITH_CAMELLIA_256_CBC_SHA,
632 		.id = TLS1_CK_DHE_RSA_WITH_CAMELLIA_256_CBC_SHA,
633 		.algorithm_mkey = SSL_kDHE,
634 		.algorithm_auth = SSL_aRSA,
635 		.algorithm_enc = SSL_CAMELLIA256,
636 		.algorithm_mac = SSL_SHA1,
637 		.algorithm_ssl = SSL_TLSV1,
638 		.algo_strength = SSL_HIGH,
639 		.algorithm2 = SSL_HANDSHAKE_MAC_DEFAULT|TLS1_PRF,
640 		.strength_bits = 256,
641 		.alg_bits = 256,
642 	},
643 
644 	/* Cipher 89 */
645 	{
646 		.valid = 1,
647 		.name = TLS1_TXT_ADH_WITH_CAMELLIA_256_CBC_SHA,
648 		.id = TLS1_CK_ADH_WITH_CAMELLIA_256_CBC_SHA,
649 		.algorithm_mkey = SSL_kDHE,
650 		.algorithm_auth = SSL_aNULL,
651 		.algorithm_enc = SSL_CAMELLIA256,
652 		.algorithm_mac = SSL_SHA1,
653 		.algorithm_ssl = SSL_TLSV1,
654 		.algo_strength = SSL_HIGH,
655 		.algorithm2 = SSL_HANDSHAKE_MAC_DEFAULT|TLS1_PRF,
656 		.strength_bits = 256,
657 		.alg_bits = 256,
658 	},
659 #endif /* OPENSSL_NO_CAMELLIA */
660 
661 	/*
662 	 * GCM ciphersuites from RFC5288.
663 	 */
664 
665 	/* Cipher 9C */
666 	{
667 		.valid = 1,
668 		.name = TLS1_TXT_RSA_WITH_AES_128_GCM_SHA256,
669 		.id = TLS1_CK_RSA_WITH_AES_128_GCM_SHA256,
670 		.algorithm_mkey = SSL_kRSA,
671 		.algorithm_auth = SSL_aRSA,
672 		.algorithm_enc = SSL_AES128GCM,
673 		.algorithm_mac = SSL_AEAD,
674 		.algorithm_ssl = SSL_TLSV1_2,
675 		.algo_strength = SSL_HIGH,
676 		.algorithm2 = SSL_HANDSHAKE_MAC_SHA256|TLS1_PRF_SHA256|
677 		    FIXED_NONCE_LEN(4)|
678 		    SSL_CIPHER_ALGORITHM2_VARIABLE_NONCE_IN_RECORD,
679 		.strength_bits = 128,
680 		.alg_bits = 128,
681 	},
682 
683 	/* Cipher 9D */
684 	{
685 		.valid = 1,
686 		.name = TLS1_TXT_RSA_WITH_AES_256_GCM_SHA384,
687 		.id = TLS1_CK_RSA_WITH_AES_256_GCM_SHA384,
688 		.algorithm_mkey = SSL_kRSA,
689 		.algorithm_auth = SSL_aRSA,
690 		.algorithm_enc = SSL_AES256GCM,
691 		.algorithm_mac = SSL_AEAD,
692 		.algorithm_ssl = SSL_TLSV1_2,
693 		.algo_strength = SSL_HIGH,
694 		.algorithm2 = SSL_HANDSHAKE_MAC_SHA384|TLS1_PRF_SHA384|
695 		    FIXED_NONCE_LEN(4)|
696 		    SSL_CIPHER_ALGORITHM2_VARIABLE_NONCE_IN_RECORD,
697 		.strength_bits = 256,
698 		.alg_bits = 256,
699 	},
700 
701 	/* Cipher 9E */
702 	{
703 		.valid = 1,
704 		.name = TLS1_TXT_DHE_RSA_WITH_AES_128_GCM_SHA256,
705 		.id = TLS1_CK_DHE_RSA_WITH_AES_128_GCM_SHA256,
706 		.algorithm_mkey = SSL_kDHE,
707 		.algorithm_auth = SSL_aRSA,
708 		.algorithm_enc = SSL_AES128GCM,
709 		.algorithm_mac = SSL_AEAD,
710 		.algorithm_ssl = SSL_TLSV1_2,
711 		.algo_strength = SSL_HIGH,
712 		.algorithm2 = SSL_HANDSHAKE_MAC_SHA256|TLS1_PRF_SHA256|
713 		    FIXED_NONCE_LEN(4)|
714 		    SSL_CIPHER_ALGORITHM2_VARIABLE_NONCE_IN_RECORD,
715 		.strength_bits = 128,
716 		.alg_bits = 128,
717 	},
718 
719 	/* Cipher 9F */
720 	{
721 		.valid = 1,
722 		.name = TLS1_TXT_DHE_RSA_WITH_AES_256_GCM_SHA384,
723 		.id = TLS1_CK_DHE_RSA_WITH_AES_256_GCM_SHA384,
724 		.algorithm_mkey = SSL_kDHE,
725 		.algorithm_auth = SSL_aRSA,
726 		.algorithm_enc = SSL_AES256GCM,
727 		.algorithm_mac = SSL_AEAD,
728 		.algorithm_ssl = SSL_TLSV1_2,
729 		.algo_strength = SSL_HIGH,
730 		.algorithm2 = SSL_HANDSHAKE_MAC_SHA384|TLS1_PRF_SHA384|
731 		    FIXED_NONCE_LEN(4)|
732 		    SSL_CIPHER_ALGORITHM2_VARIABLE_NONCE_IN_RECORD,
733 		.strength_bits = 256,
734 		.alg_bits = 256,
735 	},
736 
737 	/* Cipher A6 */
738 	{
739 		.valid = 1,
740 		.name = TLS1_TXT_ADH_WITH_AES_128_GCM_SHA256,
741 		.id = TLS1_CK_ADH_WITH_AES_128_GCM_SHA256,
742 		.algorithm_mkey = SSL_kDHE,
743 		.algorithm_auth = SSL_aNULL,
744 		.algorithm_enc = SSL_AES128GCM,
745 		.algorithm_mac = SSL_AEAD,
746 		.algorithm_ssl = SSL_TLSV1_2,
747 		.algo_strength = SSL_HIGH,
748 		.algorithm2 = SSL_HANDSHAKE_MAC_SHA256|TLS1_PRF_SHA256|
749 		    FIXED_NONCE_LEN(4)|
750 		    SSL_CIPHER_ALGORITHM2_VARIABLE_NONCE_IN_RECORD,
751 		.strength_bits = 128,
752 		.alg_bits = 128,
753 	},
754 
755 	/* Cipher A7 */
756 	{
757 		.valid = 1,
758 		.name = TLS1_TXT_ADH_WITH_AES_256_GCM_SHA384,
759 		.id = TLS1_CK_ADH_WITH_AES_256_GCM_SHA384,
760 		.algorithm_mkey = SSL_kDHE,
761 		.algorithm_auth = SSL_aNULL,
762 		.algorithm_enc = SSL_AES256GCM,
763 		.algorithm_mac = SSL_AEAD,
764 		.algorithm_ssl = SSL_TLSV1_2,
765 		.algo_strength = SSL_HIGH,
766 		.algorithm2 = SSL_HANDSHAKE_MAC_SHA384|TLS1_PRF_SHA384|
767 		    FIXED_NONCE_LEN(4)|
768 		    SSL_CIPHER_ALGORITHM2_VARIABLE_NONCE_IN_RECORD,
769 		.strength_bits = 256,
770 		.alg_bits = 256,
771 	},
772 
773 #ifndef OPENSSL_NO_CAMELLIA
774 	/* TLS 1.2 Camellia SHA-256 ciphersuites from RFC5932 */
775 
776 	/* Cipher BA */
777 	{
778 		.valid = 1,
779 		.name = TLS1_TXT_RSA_WITH_CAMELLIA_128_CBC_SHA256,
780 		.id = TLS1_CK_RSA_WITH_CAMELLIA_128_CBC_SHA256,
781 		.algorithm_mkey = SSL_kRSA,
782 		.algorithm_auth = SSL_aRSA,
783 		.algorithm_enc = SSL_CAMELLIA128,
784 		.algorithm_mac = SSL_SHA256,
785 		.algorithm_ssl = SSL_TLSV1_2,
786 		.algo_strength = SSL_HIGH,
787 		.algorithm2 = SSL_HANDSHAKE_MAC_SHA256|TLS1_PRF_SHA256,
788 		.strength_bits = 128,
789 		.alg_bits = 128,
790 	},
791 
792 	/* Cipher BE */
793 	{
794 		.valid = 1,
795 		.name = TLS1_TXT_DHE_RSA_WITH_CAMELLIA_128_CBC_SHA256,
796 		.id = TLS1_CK_DHE_RSA_WITH_CAMELLIA_128_CBC_SHA256,
797 		.algorithm_mkey = SSL_kDHE,
798 		.algorithm_auth = SSL_aRSA,
799 		.algorithm_enc = SSL_CAMELLIA128,
800 		.algorithm_mac = SSL_SHA256,
801 		.algorithm_ssl = SSL_TLSV1_2,
802 		.algo_strength = SSL_HIGH,
803 		.algorithm2 = SSL_HANDSHAKE_MAC_SHA256|TLS1_PRF_SHA256,
804 		.strength_bits = 128,
805 		.alg_bits = 128,
806 	},
807 
808 	/* Cipher BF */
809 	{
810 		.valid = 1,
811 		.name = TLS1_TXT_ADH_WITH_CAMELLIA_128_CBC_SHA256,
812 		.id = TLS1_CK_ADH_WITH_CAMELLIA_128_CBC_SHA256,
813 		.algorithm_mkey = SSL_kDHE,
814 		.algorithm_auth = SSL_aNULL,
815 		.algorithm_enc = SSL_CAMELLIA128,
816 		.algorithm_mac = SSL_SHA256,
817 		.algorithm_ssl = SSL_TLSV1_2,
818 		.algo_strength = SSL_HIGH,
819 		.algorithm2 = SSL_HANDSHAKE_MAC_SHA256|TLS1_PRF_SHA256,
820 		.strength_bits = 128,
821 		.alg_bits = 128,
822 	},
823 
824 	/* Cipher C0 */
825 	{
826 		.valid = 1,
827 		.name = TLS1_TXT_RSA_WITH_CAMELLIA_256_CBC_SHA256,
828 		.id = TLS1_CK_RSA_WITH_CAMELLIA_256_CBC_SHA256,
829 		.algorithm_mkey = SSL_kRSA,
830 		.algorithm_auth = SSL_aRSA,
831 		.algorithm_enc = SSL_CAMELLIA256,
832 		.algorithm_mac = SSL_SHA256,
833 		.algorithm_ssl = SSL_TLSV1_2,
834 		.algo_strength = SSL_HIGH,
835 		.algorithm2 = SSL_HANDSHAKE_MAC_SHA256|TLS1_PRF_SHA256,
836 		.strength_bits = 256,
837 		.alg_bits = 256,
838 	},
839 
840 	/* Cipher C4 */
841 	{
842 		.valid = 1,
843 		.name = TLS1_TXT_DHE_RSA_WITH_CAMELLIA_256_CBC_SHA256,
844 		.id = TLS1_CK_DHE_RSA_WITH_CAMELLIA_256_CBC_SHA256,
845 		.algorithm_mkey = SSL_kDHE,
846 		.algorithm_auth = SSL_aRSA,
847 		.algorithm_enc = SSL_CAMELLIA256,
848 		.algorithm_mac = SSL_SHA256,
849 		.algorithm_ssl = SSL_TLSV1_2,
850 		.algo_strength = SSL_HIGH,
851 		.algorithm2 = SSL_HANDSHAKE_MAC_SHA256|TLS1_PRF_SHA256,
852 		.strength_bits = 256,
853 		.alg_bits = 256,
854 	},
855 
856 	/* Cipher C5 */
857 	{
858 		.valid = 1,
859 		.name = TLS1_TXT_ADH_WITH_CAMELLIA_256_CBC_SHA256,
860 		.id = TLS1_CK_ADH_WITH_CAMELLIA_256_CBC_SHA256,
861 		.algorithm_mkey = SSL_kDHE,
862 		.algorithm_auth = SSL_aNULL,
863 		.algorithm_enc = SSL_CAMELLIA256,
864 		.algorithm_mac = SSL_SHA256,
865 		.algorithm_ssl = SSL_TLSV1_2,
866 		.algo_strength = SSL_HIGH,
867 		.algorithm2 = SSL_HANDSHAKE_MAC_SHA256|TLS1_PRF_SHA256,
868 		.strength_bits = 256,
869 		.alg_bits = 256,
870 	},
871 #endif /* OPENSSL_NO_CAMELLIA */
872 
873 	/*
874 	 * TLSv1.3 cipher suites.
875 	 */
876 
877 #ifdef LIBRESSL_HAS_TLS1_3
878 	/* Cipher 1301 */
879 	{
880 		.valid = 1,
881 		.name = TLS1_3_TXT_AES_128_GCM_SHA256,
882 		.id = TLS1_3_CK_AES_128_GCM_SHA256,
883 		.algorithm_mkey = SSL_kTLS1_3,
884 		.algorithm_auth = SSL_aTLS1_3,
885 		.algorithm_enc = SSL_AES128GCM,
886 		.algorithm_mac = SSL_AEAD,
887 		.algorithm_ssl = SSL_TLSV1_3,
888 		.algo_strength = SSL_HIGH,
889 		.algorithm2 = SSL_HANDSHAKE_MAC_SHA256, /* XXX */
890 		.strength_bits = 128,
891 		.alg_bits = 128,
892 	},
893 
894 	/* Cipher 1302 */
895 	{
896 		.valid = 1,
897 		.name = TLS1_3_TXT_AES_256_GCM_SHA384,
898 		.id = TLS1_3_CK_AES_256_GCM_SHA384,
899 		.algorithm_mkey = SSL_kTLS1_3,
900 		.algorithm_auth = SSL_aTLS1_3,
901 		.algorithm_enc = SSL_AES256GCM,
902 		.algorithm_mac = SSL_AEAD,
903 		.algorithm_ssl = SSL_TLSV1_3,
904 		.algo_strength = SSL_HIGH,
905 		.algorithm2 = SSL_HANDSHAKE_MAC_SHA384, /* XXX */
906 		.strength_bits = 256,
907 		.alg_bits = 256,
908 	},
909 
910 	/* Cipher 1303 */
911 	{
912 		.valid = 1,
913 		.name = TLS1_3_TXT_CHACHA20_POLY1305_SHA256,
914 		.id = TLS1_3_CK_CHACHA20_POLY1305_SHA256,
915 		.algorithm_mkey = SSL_kTLS1_3,
916 		.algorithm_auth = SSL_aTLS1_3,
917 		.algorithm_enc = SSL_CHACHA20POLY1305,
918 		.algorithm_mac = SSL_AEAD,
919 		.algorithm_ssl = SSL_TLSV1_3,
920 		.algo_strength = SSL_HIGH,
921 		.algorithm2 = SSL_HANDSHAKE_MAC_SHA256, /* XXX */
922 		.strength_bits = 256,
923 		.alg_bits = 256,
924 	},
925 #endif
926 
927 	/* Cipher C006 */
928 	{
929 		.valid = 1,
930 		.name = TLS1_TXT_ECDHE_ECDSA_WITH_NULL_SHA,
931 		.id = TLS1_CK_ECDHE_ECDSA_WITH_NULL_SHA,
932 		.algorithm_mkey = SSL_kECDHE,
933 		.algorithm_auth = SSL_aECDSA,
934 		.algorithm_enc = SSL_eNULL,
935 		.algorithm_mac = SSL_SHA1,
936 		.algorithm_ssl = SSL_TLSV1,
937 		.algo_strength = SSL_STRONG_NONE,
938 		.algorithm2 = SSL_HANDSHAKE_MAC_DEFAULT|TLS1_PRF,
939 		.strength_bits = 0,
940 		.alg_bits = 0,
941 	},
942 
943 	/* Cipher C007 */
944 	{
945 		.valid = 1,
946 		.name = TLS1_TXT_ECDHE_ECDSA_WITH_RC4_128_SHA,
947 		.id = TLS1_CK_ECDHE_ECDSA_WITH_RC4_128_SHA,
948 		.algorithm_mkey = SSL_kECDHE,
949 		.algorithm_auth = SSL_aECDSA,
950 		.algorithm_enc = SSL_RC4,
951 		.algorithm_mac = SSL_SHA1,
952 		.algorithm_ssl = SSL_TLSV1,
953 		.algo_strength = SSL_LOW,
954 		.algorithm2 = SSL_HANDSHAKE_MAC_DEFAULT|TLS1_PRF,
955 		.strength_bits = 128,
956 		.alg_bits = 128,
957 	},
958 
959 	/* Cipher C008 */
960 	{
961 		.valid = 1,
962 		.name = TLS1_TXT_ECDHE_ECDSA_WITH_DES_192_CBC3_SHA,
963 		.id = TLS1_CK_ECDHE_ECDSA_WITH_DES_192_CBC3_SHA,
964 		.algorithm_mkey = SSL_kECDHE,
965 		.algorithm_auth = SSL_aECDSA,
966 		.algorithm_enc = SSL_3DES,
967 		.algorithm_mac = SSL_SHA1,
968 		.algorithm_ssl = SSL_TLSV1,
969 		.algo_strength = SSL_MEDIUM,
970 		.algorithm2 = SSL_HANDSHAKE_MAC_DEFAULT|TLS1_PRF,
971 		.strength_bits = 112,
972 		.alg_bits = 168,
973 	},
974 
975 	/* Cipher C009 */
976 	{
977 		.valid = 1,
978 		.name = TLS1_TXT_ECDHE_ECDSA_WITH_AES_128_CBC_SHA,
979 		.id = TLS1_CK_ECDHE_ECDSA_WITH_AES_128_CBC_SHA,
980 		.algorithm_mkey = SSL_kECDHE,
981 		.algorithm_auth = SSL_aECDSA,
982 		.algorithm_enc = SSL_AES128,
983 		.algorithm_mac = SSL_SHA1,
984 		.algorithm_ssl = SSL_TLSV1,
985 		.algo_strength = SSL_HIGH,
986 		.algorithm2 = SSL_HANDSHAKE_MAC_DEFAULT|TLS1_PRF,
987 		.strength_bits = 128,
988 		.alg_bits = 128,
989 	},
990 
991 	/* Cipher C00A */
992 	{
993 		.valid = 1,
994 		.name = TLS1_TXT_ECDHE_ECDSA_WITH_AES_256_CBC_SHA,
995 		.id = TLS1_CK_ECDHE_ECDSA_WITH_AES_256_CBC_SHA,
996 		.algorithm_mkey = SSL_kECDHE,
997 		.algorithm_auth = SSL_aECDSA,
998 		.algorithm_enc = SSL_AES256,
999 		.algorithm_mac = SSL_SHA1,
1000 		.algorithm_ssl = SSL_TLSV1,
1001 		.algo_strength = SSL_HIGH,
1002 		.algorithm2 = SSL_HANDSHAKE_MAC_DEFAULT|TLS1_PRF,
1003 		.strength_bits = 256,
1004 		.alg_bits = 256,
1005 	},
1006 
1007 	/* Cipher C010 */
1008 	{
1009 		.valid = 1,
1010 		.name = TLS1_TXT_ECDHE_RSA_WITH_NULL_SHA,
1011 		.id = TLS1_CK_ECDHE_RSA_WITH_NULL_SHA,
1012 		.algorithm_mkey = SSL_kECDHE,
1013 		.algorithm_auth = SSL_aRSA,
1014 		.algorithm_enc = SSL_eNULL,
1015 		.algorithm_mac = SSL_SHA1,
1016 		.algorithm_ssl = SSL_TLSV1,
1017 		.algo_strength = SSL_STRONG_NONE,
1018 		.algorithm2 = SSL_HANDSHAKE_MAC_DEFAULT|TLS1_PRF,
1019 		.strength_bits = 0,
1020 		.alg_bits = 0,
1021 	},
1022 
1023 	/* Cipher C011 */
1024 	{
1025 		.valid = 1,
1026 		.name = TLS1_TXT_ECDHE_RSA_WITH_RC4_128_SHA,
1027 		.id = TLS1_CK_ECDHE_RSA_WITH_RC4_128_SHA,
1028 		.algorithm_mkey = SSL_kECDHE,
1029 		.algorithm_auth = SSL_aRSA,
1030 		.algorithm_enc = SSL_RC4,
1031 		.algorithm_mac = SSL_SHA1,
1032 		.algorithm_ssl = SSL_TLSV1,
1033 		.algo_strength = SSL_LOW,
1034 		.algorithm2 = SSL_HANDSHAKE_MAC_DEFAULT|TLS1_PRF,
1035 		.strength_bits = 128,
1036 		.alg_bits = 128,
1037 	},
1038 
1039 	/* Cipher C012 */
1040 	{
1041 		.valid = 1,
1042 		.name = TLS1_TXT_ECDHE_RSA_WITH_DES_192_CBC3_SHA,
1043 		.id = TLS1_CK_ECDHE_RSA_WITH_DES_192_CBC3_SHA,
1044 		.algorithm_mkey = SSL_kECDHE,
1045 		.algorithm_auth = SSL_aRSA,
1046 		.algorithm_enc = SSL_3DES,
1047 		.algorithm_mac = SSL_SHA1,
1048 		.algorithm_ssl = SSL_TLSV1,
1049 		.algo_strength = SSL_MEDIUM,
1050 		.algorithm2 = SSL_HANDSHAKE_MAC_DEFAULT|TLS1_PRF,
1051 		.strength_bits = 112,
1052 		.alg_bits = 168,
1053 	},
1054 
1055 	/* Cipher C013 */
1056 	{
1057 		.valid = 1,
1058 		.name = TLS1_TXT_ECDHE_RSA_WITH_AES_128_CBC_SHA,
1059 		.id = TLS1_CK_ECDHE_RSA_WITH_AES_128_CBC_SHA,
1060 		.algorithm_mkey = SSL_kECDHE,
1061 		.algorithm_auth = SSL_aRSA,
1062 		.algorithm_enc = SSL_AES128,
1063 		.algorithm_mac = SSL_SHA1,
1064 		.algorithm_ssl = SSL_TLSV1,
1065 		.algo_strength = SSL_HIGH,
1066 		.algorithm2 = SSL_HANDSHAKE_MAC_DEFAULT|TLS1_PRF,
1067 		.strength_bits = 128,
1068 		.alg_bits = 128,
1069 	},
1070 
1071 	/* Cipher C014 */
1072 	{
1073 		.valid = 1,
1074 		.name = TLS1_TXT_ECDHE_RSA_WITH_AES_256_CBC_SHA,
1075 		.id = TLS1_CK_ECDHE_RSA_WITH_AES_256_CBC_SHA,
1076 		.algorithm_mkey = SSL_kECDHE,
1077 		.algorithm_auth = SSL_aRSA,
1078 		.algorithm_enc = SSL_AES256,
1079 		.algorithm_mac = SSL_SHA1,
1080 		.algorithm_ssl = SSL_TLSV1,
1081 		.algo_strength = SSL_HIGH,
1082 		.algorithm2 = SSL_HANDSHAKE_MAC_DEFAULT|TLS1_PRF,
1083 		.strength_bits = 256,
1084 		.alg_bits = 256,
1085 	},
1086 
1087 	/* Cipher C015 */
1088 	{
1089 		.valid = 1,
1090 		.name = TLS1_TXT_ECDH_anon_WITH_NULL_SHA,
1091 		.id = TLS1_CK_ECDH_anon_WITH_NULL_SHA,
1092 		.algorithm_mkey = SSL_kECDHE,
1093 		.algorithm_auth = SSL_aNULL,
1094 		.algorithm_enc = SSL_eNULL,
1095 		.algorithm_mac = SSL_SHA1,
1096 		.algorithm_ssl = SSL_TLSV1,
1097 		.algo_strength = SSL_STRONG_NONE,
1098 		.algorithm2 = SSL_HANDSHAKE_MAC_DEFAULT|TLS1_PRF,
1099 		.strength_bits = 0,
1100 		.alg_bits = 0,
1101 	},
1102 
1103 	/* Cipher C016 */
1104 	{
1105 		.valid = 1,
1106 		.name = TLS1_TXT_ECDH_anon_WITH_RC4_128_SHA,
1107 		.id = TLS1_CK_ECDH_anon_WITH_RC4_128_SHA,
1108 		.algorithm_mkey = SSL_kECDHE,
1109 		.algorithm_auth = SSL_aNULL,
1110 		.algorithm_enc = SSL_RC4,
1111 		.algorithm_mac = SSL_SHA1,
1112 		.algorithm_ssl = SSL_TLSV1,
1113 		.algo_strength = SSL_LOW,
1114 		.algorithm2 = SSL_HANDSHAKE_MAC_DEFAULT|TLS1_PRF,
1115 		.strength_bits = 128,
1116 		.alg_bits = 128,
1117 	},
1118 
1119 	/* Cipher C017 */
1120 	{
1121 		.valid = 1,
1122 		.name = TLS1_TXT_ECDH_anon_WITH_DES_192_CBC3_SHA,
1123 		.id = TLS1_CK_ECDH_anon_WITH_DES_192_CBC3_SHA,
1124 		.algorithm_mkey = SSL_kECDHE,
1125 		.algorithm_auth = SSL_aNULL,
1126 		.algorithm_enc = SSL_3DES,
1127 		.algorithm_mac = SSL_SHA1,
1128 		.algorithm_ssl = SSL_TLSV1,
1129 		.algo_strength = SSL_MEDIUM,
1130 		.algorithm2 = SSL_HANDSHAKE_MAC_DEFAULT|TLS1_PRF,
1131 		.strength_bits = 112,
1132 		.alg_bits = 168,
1133 	},
1134 
1135 	/* Cipher C018 */
1136 	{
1137 		.valid = 1,
1138 		.name = TLS1_TXT_ECDH_anon_WITH_AES_128_CBC_SHA,
1139 		.id = TLS1_CK_ECDH_anon_WITH_AES_128_CBC_SHA,
1140 		.algorithm_mkey = SSL_kECDHE,
1141 		.algorithm_auth = SSL_aNULL,
1142 		.algorithm_enc = SSL_AES128,
1143 		.algorithm_mac = SSL_SHA1,
1144 		.algorithm_ssl = SSL_TLSV1,
1145 		.algo_strength = SSL_HIGH,
1146 		.algorithm2 = SSL_HANDSHAKE_MAC_DEFAULT|TLS1_PRF,
1147 		.strength_bits = 128,
1148 		.alg_bits = 128,
1149 	},
1150 
1151 	/* Cipher C019 */
1152 	{
1153 		.valid = 1,
1154 		.name = TLS1_TXT_ECDH_anon_WITH_AES_256_CBC_SHA,
1155 		.id = TLS1_CK_ECDH_anon_WITH_AES_256_CBC_SHA,
1156 		.algorithm_mkey = SSL_kECDHE,
1157 		.algorithm_auth = SSL_aNULL,
1158 		.algorithm_enc = SSL_AES256,
1159 		.algorithm_mac = SSL_SHA1,
1160 		.algorithm_ssl = SSL_TLSV1,
1161 		.algo_strength = SSL_HIGH,
1162 		.algorithm2 = SSL_HANDSHAKE_MAC_DEFAULT|TLS1_PRF,
1163 		.strength_bits = 256,
1164 		.alg_bits = 256,
1165 	},
1166 
1167 
1168 	/* HMAC based TLS v1.2 ciphersuites from RFC5289 */
1169 
1170 	/* Cipher C023 */
1171 	{
1172 		.valid = 1,
1173 		.name = TLS1_TXT_ECDHE_ECDSA_WITH_AES_128_SHA256,
1174 		.id = TLS1_CK_ECDHE_ECDSA_WITH_AES_128_SHA256,
1175 		.algorithm_mkey = SSL_kECDHE,
1176 		.algorithm_auth = SSL_aECDSA,
1177 		.algorithm_enc = SSL_AES128,
1178 		.algorithm_mac = SSL_SHA256,
1179 		.algorithm_ssl = SSL_TLSV1_2,
1180 		.algo_strength = SSL_HIGH,
1181 		.algorithm2 = SSL_HANDSHAKE_MAC_SHA256|TLS1_PRF_SHA256,
1182 		.strength_bits = 128,
1183 		.alg_bits = 128,
1184 	},
1185 
1186 	/* Cipher C024 */
1187 	{
1188 		.valid = 1,
1189 		.name = TLS1_TXT_ECDHE_ECDSA_WITH_AES_256_SHA384,
1190 		.id = TLS1_CK_ECDHE_ECDSA_WITH_AES_256_SHA384,
1191 		.algorithm_mkey = SSL_kECDHE,
1192 		.algorithm_auth = SSL_aECDSA,
1193 		.algorithm_enc = SSL_AES256,
1194 		.algorithm_mac = SSL_SHA384,
1195 		.algorithm_ssl = SSL_TLSV1_2,
1196 		.algo_strength = SSL_HIGH,
1197 		.algorithm2 = SSL_HANDSHAKE_MAC_SHA384|TLS1_PRF_SHA384,
1198 		.strength_bits = 256,
1199 		.alg_bits = 256,
1200 	},
1201 
1202 	/* Cipher C027 */
1203 	{
1204 		.valid = 1,
1205 		.name = TLS1_TXT_ECDHE_RSA_WITH_AES_128_SHA256,
1206 		.id = TLS1_CK_ECDHE_RSA_WITH_AES_128_SHA256,
1207 		.algorithm_mkey = SSL_kECDHE,
1208 		.algorithm_auth = SSL_aRSA,
1209 		.algorithm_enc = SSL_AES128,
1210 		.algorithm_mac = SSL_SHA256,
1211 		.algorithm_ssl = SSL_TLSV1_2,
1212 		.algo_strength = SSL_HIGH,
1213 		.algorithm2 = SSL_HANDSHAKE_MAC_SHA256|TLS1_PRF_SHA256,
1214 		.strength_bits = 128,
1215 		.alg_bits = 128,
1216 	},
1217 
1218 	/* Cipher C028 */
1219 	{
1220 		.valid = 1,
1221 		.name = TLS1_TXT_ECDHE_RSA_WITH_AES_256_SHA384,
1222 		.id = TLS1_CK_ECDHE_RSA_WITH_AES_256_SHA384,
1223 		.algorithm_mkey = SSL_kECDHE,
1224 		.algorithm_auth = SSL_aRSA,
1225 		.algorithm_enc = SSL_AES256,
1226 		.algorithm_mac = SSL_SHA384,
1227 		.algorithm_ssl = SSL_TLSV1_2,
1228 		.algo_strength = SSL_HIGH,
1229 		.algorithm2 = SSL_HANDSHAKE_MAC_SHA384|TLS1_PRF_SHA384,
1230 		.strength_bits = 256,
1231 		.alg_bits = 256,
1232 	},
1233 
1234 	/* GCM based TLS v1.2 ciphersuites from RFC5289 */
1235 
1236 	/* Cipher C02B */
1237 	{
1238 		.valid = 1,
1239 		.name = TLS1_TXT_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256,
1240 		.id = TLS1_CK_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256,
1241 		.algorithm_mkey = SSL_kECDHE,
1242 		.algorithm_auth = SSL_aECDSA,
1243 		.algorithm_enc = SSL_AES128GCM,
1244 		.algorithm_mac = SSL_AEAD,
1245 		.algorithm_ssl = SSL_TLSV1_2,
1246 		.algo_strength = SSL_HIGH,
1247 		.algorithm2 = SSL_HANDSHAKE_MAC_SHA256|TLS1_PRF_SHA256|
1248 		    FIXED_NONCE_LEN(4)|
1249 		    SSL_CIPHER_ALGORITHM2_VARIABLE_NONCE_IN_RECORD,
1250 		.strength_bits = 128,
1251 		.alg_bits = 128,
1252 	},
1253 
1254 	/* Cipher C02C */
1255 	{
1256 		.valid = 1,
1257 		.name = TLS1_TXT_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384,
1258 		.id = TLS1_CK_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384,
1259 		.algorithm_mkey = SSL_kECDHE,
1260 		.algorithm_auth = SSL_aECDSA,
1261 		.algorithm_enc = SSL_AES256GCM,
1262 		.algorithm_mac = SSL_AEAD,
1263 		.algorithm_ssl = SSL_TLSV1_2,
1264 		.algo_strength = SSL_HIGH,
1265 		.algorithm2 = SSL_HANDSHAKE_MAC_SHA384|TLS1_PRF_SHA384|
1266 		    FIXED_NONCE_LEN(4)|
1267 		    SSL_CIPHER_ALGORITHM2_VARIABLE_NONCE_IN_RECORD,
1268 		.strength_bits = 256,
1269 		.alg_bits = 256,
1270 	},
1271 
1272 	/* Cipher C02F */
1273 	{
1274 		.valid = 1,
1275 		.name = TLS1_TXT_ECDHE_RSA_WITH_AES_128_GCM_SHA256,
1276 		.id = TLS1_CK_ECDHE_RSA_WITH_AES_128_GCM_SHA256,
1277 		.algorithm_mkey = SSL_kECDHE,
1278 		.algorithm_auth = SSL_aRSA,
1279 		.algorithm_enc = SSL_AES128GCM,
1280 		.algorithm_mac = SSL_AEAD,
1281 		.algorithm_ssl = SSL_TLSV1_2,
1282 		.algo_strength = SSL_HIGH,
1283 		.algorithm2 = SSL_HANDSHAKE_MAC_SHA256|TLS1_PRF_SHA256|
1284 		    FIXED_NONCE_LEN(4)|
1285 		    SSL_CIPHER_ALGORITHM2_VARIABLE_NONCE_IN_RECORD,
1286 		.strength_bits = 128,
1287 		.alg_bits = 128,
1288 	},
1289 
1290 	/* Cipher C030 */
1291 	{
1292 		.valid = 1,
1293 		.name = TLS1_TXT_ECDHE_RSA_WITH_AES_256_GCM_SHA384,
1294 		.id = TLS1_CK_ECDHE_RSA_WITH_AES_256_GCM_SHA384,
1295 		.algorithm_mkey = SSL_kECDHE,
1296 		.algorithm_auth = SSL_aRSA,
1297 		.algorithm_enc = SSL_AES256GCM,
1298 		.algorithm_mac = SSL_AEAD,
1299 		.algorithm_ssl = SSL_TLSV1_2,
1300 		.algo_strength = SSL_HIGH,
1301 		.algorithm2 = SSL_HANDSHAKE_MAC_SHA384|TLS1_PRF_SHA384|
1302 		    FIXED_NONCE_LEN(4)|
1303 		    SSL_CIPHER_ALGORITHM2_VARIABLE_NONCE_IN_RECORD,
1304 		.strength_bits = 256,
1305 		.alg_bits = 256,
1306 	},
1307 
1308 	/* Cipher CCA8 */
1309 	{
1310 		.valid = 1,
1311 		.name = TLS1_TXT_ECDHE_RSA_WITH_CHACHA20_POLY1305,
1312 		.id = TLS1_CK_ECDHE_RSA_CHACHA20_POLY1305,
1313 		.algorithm_mkey = SSL_kECDHE,
1314 		.algorithm_auth = SSL_aRSA,
1315 		.algorithm_enc = SSL_CHACHA20POLY1305,
1316 		.algorithm_mac = SSL_AEAD,
1317 		.algorithm_ssl = SSL_TLSV1_2,
1318 		.algo_strength = SSL_HIGH,
1319 		.algorithm2 = SSL_HANDSHAKE_MAC_SHA256|TLS1_PRF_SHA256|
1320 		    FIXED_NONCE_LEN(12),
1321 		.strength_bits = 256,
1322 		.alg_bits = 256,
1323 	},
1324 
1325 	/* Cipher CCA9 */
1326 	{
1327 		.valid = 1,
1328 		.name = TLS1_TXT_ECDHE_ECDSA_WITH_CHACHA20_POLY1305,
1329 		.id = TLS1_CK_ECDHE_ECDSA_CHACHA20_POLY1305,
1330 		.algorithm_mkey = SSL_kECDHE,
1331 		.algorithm_auth = SSL_aECDSA,
1332 		.algorithm_enc = SSL_CHACHA20POLY1305,
1333 		.algorithm_mac = SSL_AEAD,
1334 		.algorithm_ssl = SSL_TLSV1_2,
1335 		.algo_strength = SSL_HIGH,
1336 		.algorithm2 = SSL_HANDSHAKE_MAC_SHA256|TLS1_PRF_SHA256|
1337 		    FIXED_NONCE_LEN(12),
1338 		.strength_bits = 256,
1339 		.alg_bits = 256,
1340 	},
1341 
1342 	/* Cipher CCAA */
1343 	{
1344 		.valid = 1,
1345 		.name = TLS1_TXT_DHE_RSA_WITH_CHACHA20_POLY1305,
1346 		.id = TLS1_CK_DHE_RSA_CHACHA20_POLY1305,
1347 		.algorithm_mkey = SSL_kDHE,
1348 		.algorithm_auth = SSL_aRSA,
1349 		.algorithm_enc = SSL_CHACHA20POLY1305,
1350 		.algorithm_mac = SSL_AEAD,
1351 		.algorithm_ssl = SSL_TLSV1_2,
1352 		.algo_strength = SSL_HIGH,
1353 		.algorithm2 = SSL_HANDSHAKE_MAC_SHA256|TLS1_PRF_SHA256|
1354 		    FIXED_NONCE_LEN(12),
1355 		.strength_bits = 256,
1356 		.alg_bits = 256,
1357 	},
1358 
1359 	/* Cipher FF85 FIXME IANA */
1360 	{
1361 		.valid = 1,
1362 		.name = "GOST2012256-GOST89-GOST89",
1363 		.id = 0x300ff85, /* FIXME IANA */
1364 		.algorithm_mkey = SSL_kGOST,
1365 		.algorithm_auth = SSL_aGOST01,
1366 		.algorithm_enc = SSL_eGOST2814789CNT,
1367 		.algorithm_mac = SSL_GOST89MAC,
1368 		.algorithm_ssl = SSL_TLSV1,
1369 		.algo_strength = SSL_HIGH,
1370 		.algorithm2 = SSL_HANDSHAKE_MAC_STREEBOG256|TLS1_PRF_STREEBOG256|
1371 		    TLS1_STREAM_MAC,
1372 		.strength_bits = 256,
1373 		.alg_bits = 256
1374 	},
1375 
1376 	/* Cipher FF87 FIXME IANA */
1377 	{
1378 		.valid = 1,
1379 		.name = "GOST2012256-NULL-STREEBOG256",
1380 		.id = 0x300ff87, /* FIXME IANA */
1381 		.algorithm_mkey = SSL_kGOST,
1382 		.algorithm_auth = SSL_aGOST01,
1383 		.algorithm_enc = SSL_eNULL,
1384 		.algorithm_mac = SSL_STREEBOG256,
1385 		.algorithm_ssl = SSL_TLSV1,
1386 		.algo_strength = SSL_STRONG_NONE,
1387 		.algorithm2 = SSL_HANDSHAKE_MAC_STREEBOG256|TLS1_PRF_STREEBOG256,
1388 		.strength_bits = 0,
1389 		.alg_bits = 0
1390 	},
1391 
1392 
1393 	/* end of list */
1394 };
1395 
1396 int
1397 ssl3_num_ciphers(void)
1398 {
1399 	return (SSL3_NUM_CIPHERS);
1400 }
1401 
1402 const SSL_CIPHER *
1403 ssl3_get_cipher(unsigned int u)
1404 {
1405 	if (u < SSL3_NUM_CIPHERS)
1406 		return (&(ssl3_ciphers[SSL3_NUM_CIPHERS - 1 - u]));
1407 	else
1408 		return (NULL);
1409 }
1410 
1411 const SSL_CIPHER *
1412 ssl3_get_cipher_by_id(unsigned int id)
1413 {
1414 	const SSL_CIPHER *cp;
1415 	SSL_CIPHER c;
1416 
1417 	c.id = id;
1418 	cp = OBJ_bsearch_ssl_cipher_id(&c, ssl3_ciphers, SSL3_NUM_CIPHERS);
1419 	if (cp != NULL && cp->valid == 1)
1420 		return (cp);
1421 
1422 	return (NULL);
1423 }
1424 
1425 const SSL_CIPHER *
1426 ssl3_get_cipher_by_value(uint16_t value)
1427 {
1428 	return ssl3_get_cipher_by_id(SSL3_CK_ID | value);
1429 }
1430 
1431 uint16_t
1432 ssl3_cipher_get_value(const SSL_CIPHER *c)
1433 {
1434 	return (c->id & SSL3_CK_VALUE_MASK);
1435 }
1436 
1437 int
1438 ssl3_pending(const SSL *s)
1439 {
1440 	if (s->internal->rstate == SSL_ST_READ_BODY)
1441 		return 0;
1442 
1443 	return (S3I(s)->rrec.type == SSL3_RT_APPLICATION_DATA) ?
1444 	    S3I(s)->rrec.length : 0;
1445 }
1446 
1447 int
1448 ssl3_handshake_msg_hdr_len(SSL *s)
1449 {
1450 	return (SSL_IS_DTLS(s) ? DTLS1_HM_HEADER_LENGTH :
1451             SSL3_HM_HEADER_LENGTH);
1452 }
1453 
1454 int
1455 ssl3_handshake_msg_start(SSL *s, CBB *handshake, CBB *body, uint8_t msg_type)
1456 {
1457 	int ret = 0;
1458 
1459 	if (!CBB_init(handshake, SSL3_RT_MAX_PLAIN_LENGTH))
1460 		goto err;
1461 	if (!CBB_add_u8(handshake, msg_type))
1462 		goto err;
1463 	if (SSL_IS_DTLS(s)) {
1464 		unsigned char *data;
1465 
1466 		if (!CBB_add_space(handshake, &data, DTLS1_HM_HEADER_LENGTH -
1467 		    SSL3_HM_HEADER_LENGTH))
1468 			goto err;
1469 	}
1470 	if (!CBB_add_u24_length_prefixed(handshake, body))
1471 		goto err;
1472 
1473 	ret = 1;
1474 
1475  err:
1476 	return (ret);
1477 }
1478 
1479 int
1480 ssl3_handshake_msg_finish(SSL *s, CBB *handshake)
1481 {
1482 	unsigned char *data = NULL;
1483 	size_t outlen;
1484 	int ret = 0;
1485 
1486 	if (!CBB_finish(handshake, &data, &outlen))
1487 		goto err;
1488 
1489 	if (outlen > INT_MAX)
1490 		goto err;
1491 
1492 	if (!BUF_MEM_grow_clean(s->internal->init_buf, outlen))
1493 		goto err;
1494 
1495 	memcpy(s->internal->init_buf->data, data, outlen);
1496 
1497 	s->internal->init_num = (int)outlen;
1498 	s->internal->init_off = 0;
1499 
1500 	if (SSL_IS_DTLS(s)) {
1501 		unsigned long len;
1502 		uint8_t msg_type;
1503 		CBS cbs;
1504 
1505 		CBS_init(&cbs, data, outlen);
1506 		if (!CBS_get_u8(&cbs, &msg_type))
1507 			goto err;
1508 
1509 		len = outlen - ssl3_handshake_msg_hdr_len(s);
1510 
1511 		dtls1_set_message_header(s, msg_type, len, 0, len);
1512 		dtls1_buffer_message(s, 0);
1513 	}
1514 
1515 	ret = 1;
1516 
1517  err:
1518 	free(data);
1519 
1520 	return (ret);
1521 }
1522 
1523 int
1524 ssl3_handshake_write(SSL *s)
1525 {
1526 	return ssl3_record_write(s, SSL3_RT_HANDSHAKE);
1527 }
1528 
1529 int
1530 ssl3_record_write(SSL *s, int type)
1531 {
1532 	if (SSL_IS_DTLS(s))
1533 		return dtls1_do_write(s, type);
1534 
1535 	return ssl3_do_write(s, type);
1536 }
1537 
1538 int
1539 ssl3_new(SSL *s)
1540 {
1541 	if ((s->s3 = calloc(1, sizeof(*s->s3))) == NULL)
1542 		return (0);
1543 	if ((S3I(s) = calloc(1, sizeof(*S3I(s)))) == NULL) {
1544 		free(s->s3);
1545 		return (0);
1546 	}
1547 
1548 	s->method->internal->ssl_clear(s);
1549 
1550 	return (1);
1551 }
1552 
1553 void
1554 ssl3_free(SSL *s)
1555 {
1556 	if (s == NULL)
1557 		return;
1558 
1559 	tls1_cleanup_key_block(s);
1560 	ssl3_release_read_buffer(s);
1561 	ssl3_release_write_buffer(s);
1562 	freezero(S3I(s)->hs.sigalgs, S3I(s)->hs.sigalgs_len);
1563 
1564 	DH_free(S3I(s)->tmp.dh);
1565 	EC_KEY_free(S3I(s)->tmp.ecdh);
1566 
1567 	freezero(S3I(s)->tmp.x25519, X25519_KEY_LENGTH);
1568 
1569 	tls13_secrets_destroy(S3I(s)->hs_tls13.secrets);
1570 	freezero(S3I(s)->hs_tls13.x25519_private, X25519_KEY_LENGTH);
1571 	freezero(S3I(s)->hs_tls13.x25519_public, X25519_KEY_LENGTH);
1572 	freezero(S3I(s)->hs_tls13.x25519_peer_public, X25519_KEY_LENGTH);
1573 	freezero(S3I(s)->hs_tls13.cookie, S3I(s)->hs_tls13.cookie_len);
1574 
1575 	sk_X509_NAME_pop_free(S3I(s)->tmp.ca_names, X509_NAME_free);
1576 
1577 	tls1_transcript_free(s);
1578 	tls1_transcript_hash_free(s);
1579 
1580 	free(S3I(s)->alpn_selected);
1581 
1582 	freezero(S3I(s), sizeof(*S3I(s)));
1583 	freezero(s->s3, sizeof(*s->s3));
1584 
1585 	s->s3 = NULL;
1586 }
1587 
1588 void
1589 ssl3_clear(SSL *s)
1590 {
1591 	struct ssl3_state_internal_st *internal;
1592 	unsigned char	*rp, *wp;
1593 	size_t		 rlen, wlen;
1594 
1595 	tls1_cleanup_key_block(s);
1596 	sk_X509_NAME_pop_free(S3I(s)->tmp.ca_names, X509_NAME_free);
1597 
1598 	DH_free(S3I(s)->tmp.dh);
1599 	S3I(s)->tmp.dh = NULL;
1600 	EC_KEY_free(S3I(s)->tmp.ecdh);
1601 	S3I(s)->tmp.ecdh = NULL;
1602 	freezero(S3I(s)->hs.sigalgs, S3I(s)->hs.sigalgs_len);
1603 	S3I(s)->hs.sigalgs = NULL;
1604 	S3I(s)->hs.sigalgs_len = 0;
1605 
1606 	freezero(S3I(s)->tmp.x25519, X25519_KEY_LENGTH);
1607 	S3I(s)->tmp.x25519 = NULL;
1608 
1609 	tls13_secrets_destroy(S3I(s)->hs_tls13.secrets);
1610 	S3I(s)->hs_tls13.secrets = NULL;
1611 	freezero(S3I(s)->hs_tls13.x25519_private, X25519_KEY_LENGTH);
1612 	S3I(s)->hs_tls13.x25519_private = NULL;
1613 	freezero(S3I(s)->hs_tls13.x25519_public, X25519_KEY_LENGTH);
1614 	S3I(s)->hs_tls13.x25519_public = NULL;
1615 	freezero(S3I(s)->hs_tls13.x25519_peer_public, X25519_KEY_LENGTH);
1616 	S3I(s)->hs_tls13.x25519_peer_public = NULL;
1617 	freezero(S3I(s)->hs_tls13.cookie, S3I(s)->hs_tls13.cookie_len);
1618 	S3I(s)->hs_tls13.cookie = NULL;
1619 	S3I(s)->hs_tls13.cookie_len = 0;
1620 
1621 	S3I(s)->hs.extensions_seen = 0;
1622 
1623 	rp = S3I(s)->rbuf.buf;
1624 	wp = S3I(s)->wbuf.buf;
1625 	rlen = S3I(s)->rbuf.len;
1626 	wlen = S3I(s)->wbuf.len;
1627 
1628 	tls1_transcript_free(s);
1629 	tls1_transcript_hash_free(s);
1630 
1631 	free(S3I(s)->alpn_selected);
1632 	S3I(s)->alpn_selected = NULL;
1633 
1634 	memset(S3I(s), 0, sizeof(*S3I(s)));
1635 	internal = S3I(s);
1636 	memset(s->s3, 0, sizeof(*s->s3));
1637 	S3I(s) = internal;
1638 
1639 	S3I(s)->rbuf.buf = rp;
1640 	S3I(s)->wbuf.buf = wp;
1641 	S3I(s)->rbuf.len = rlen;
1642 	S3I(s)->wbuf.len = wlen;
1643 
1644 	ssl_free_wbio_buffer(s);
1645 
1646 	/* Not needed... */
1647 	S3I(s)->renegotiate = 0;
1648 	S3I(s)->total_renegotiations = 0;
1649 	S3I(s)->num_renegotiations = 0;
1650 	S3I(s)->in_read_app_data = 0;
1651 
1652 	s->internal->packet_length = 0;
1653 	s->version = TLS1_VERSION;
1654 }
1655 
1656 static long
1657 ssl_ctrl_get_server_tmp_key(SSL *s, EVP_PKEY **pkey_tmp)
1658 {
1659 	EVP_PKEY *pkey = NULL;
1660 	EC_GROUP *group = NULL;
1661 	EC_POINT *point = NULL;
1662 	EC_KEY *ec_key = NULL;
1663 	BIGNUM *order = NULL;
1664 	SESS_CERT *sc;
1665 	int ret = 0;
1666 
1667 	*pkey_tmp = NULL;
1668 
1669 	if (s->server != 0)
1670 		return 0;
1671 	if (s->session == NULL || SSI(s)->sess_cert == NULL)
1672 		return 0;
1673 
1674 	sc = SSI(s)->sess_cert;
1675 
1676 	if ((pkey = EVP_PKEY_new()) == NULL)
1677 		return 0;
1678 
1679 	if (sc->peer_dh_tmp != NULL) {
1680 		ret = EVP_PKEY_set1_DH(pkey, sc->peer_dh_tmp);
1681 	} else if (sc->peer_ecdh_tmp) {
1682 		ret = EVP_PKEY_set1_EC_KEY(pkey, sc->peer_ecdh_tmp);
1683 	} else if (sc->peer_x25519_tmp != NULL) {
1684 		/* Fudge up an EC_KEY that looks like X25519... */
1685 		if ((group = EC_GROUP_new_by_curve_name(
1686 		    NID_X9_62_prime256v1)) == NULL)
1687 			goto err;
1688 		if ((point = EC_POINT_new(group)) == NULL)
1689 			goto err;
1690 		if ((order = BN_new()) == NULL)
1691 			goto err;
1692 		if (!BN_set_bit(order, 252))
1693 			goto err;
1694 		if (!EC_GROUP_set_generator(group, point, order, NULL))
1695 			goto err;
1696 		EC_GROUP_set_curve_name(group, NID_X25519);
1697 		if ((ec_key = EC_KEY_new()) == NULL)
1698 			goto err;
1699 		if (!EC_KEY_set_group(ec_key, group))
1700 			goto err;
1701 		ret = EVP_PKEY_set1_EC_KEY(pkey, ec_key);
1702 	}
1703 
1704 	if (ret == 1) {
1705 		*pkey_tmp = pkey;
1706 		pkey = NULL;
1707 	}
1708 
1709   err:
1710 	EVP_PKEY_free(pkey);
1711 	EC_GROUP_free(group);
1712 	EC_POINT_free(point);
1713 	EC_KEY_free(ec_key);
1714 	BN_free(order);
1715 
1716 	return (ret);
1717 }
1718 
1719 static int
1720 _SSL_session_reused(SSL *s)
1721 {
1722 	return s->internal->hit;
1723 }
1724 
1725 static int
1726 _SSL_num_renegotiations(SSL *s)
1727 {
1728 	return S3I(s)->num_renegotiations;
1729 }
1730 
1731 static int
1732 _SSL_clear_num_renegotiations(SSL *s)
1733 {
1734 	int renegs;
1735 
1736 	renegs = S3I(s)->num_renegotiations;
1737 	S3I(s)->num_renegotiations = 0;
1738 
1739 	return renegs;
1740 }
1741 
1742 static int
1743 _SSL_total_renegotiations(SSL *s)
1744 {
1745 	return S3I(s)->total_renegotiations;
1746 }
1747 
1748 static int
1749 _SSL_set_tmp_dh(SSL *s, DH *dh)
1750 {
1751 	DH *dh_tmp;
1752 
1753 	if (dh == NULL) {
1754 		SSLerror(s, ERR_R_PASSED_NULL_PARAMETER);
1755 		return 0;
1756 	}
1757 
1758 	if ((dh_tmp = DHparams_dup(dh)) == NULL) {
1759 		SSLerror(s, ERR_R_DH_LIB);
1760 		return 0;
1761 	}
1762 
1763 	DH_free(s->cert->dh_tmp);
1764 	s->cert->dh_tmp = dh_tmp;
1765 
1766 	return 1;
1767 }
1768 
1769 static int
1770 _SSL_set_dh_auto(SSL *s, int state)
1771 {
1772 	s->cert->dh_tmp_auto = state;
1773 	return 1;
1774 }
1775 
1776 static int
1777 _SSL_set_tmp_ecdh(SSL *s, EC_KEY *ecdh)
1778 {
1779 	const EC_GROUP *group;
1780 	int nid;
1781 
1782 	if (ecdh == NULL)
1783 		return 0;
1784 	if ((group = EC_KEY_get0_group(ecdh)) == NULL)
1785 		return 0;
1786 
1787 	nid = EC_GROUP_get_curve_name(group);
1788 	return SSL_set1_groups(s, &nid, 1);
1789 }
1790 
1791 static int
1792 _SSL_set_ecdh_auto(SSL *s, int state)
1793 {
1794 	return 1;
1795 }
1796 
1797 static int
1798 _SSL_set_tlsext_host_name(SSL *s, const char *name)
1799 {
1800 	free(s->tlsext_hostname);
1801 	s->tlsext_hostname = NULL;
1802 
1803 	if (name == NULL)
1804 		return 1;
1805 
1806 	if (strlen(name) > TLSEXT_MAXLEN_host_name) {
1807 		SSLerror(s, SSL_R_SSL3_EXT_INVALID_SERVERNAME);
1808 		return 0;
1809 	}
1810 
1811 	if ((s->tlsext_hostname = strdup(name)) == NULL) {
1812 		SSLerror(s, ERR_R_INTERNAL_ERROR);
1813 		return 0;
1814 	}
1815 
1816 	return 1;
1817 }
1818 
1819 static int
1820 _SSL_set_tlsext_debug_arg(SSL *s, void *arg)
1821 {
1822 	s->internal->tlsext_debug_arg = arg;
1823 	return 1;
1824 }
1825 
1826 static int
1827 _SSL_set_tlsext_status_type(SSL *s, int type)
1828 {
1829 	s->tlsext_status_type = type;
1830 	return 1;
1831 }
1832 
1833 static int
1834 _SSL_get_tlsext_status_exts(SSL *s, STACK_OF(X509_EXTENSION) **exts)
1835 {
1836 	*exts = s->internal->tlsext_ocsp_exts;
1837 	return 1;
1838 }
1839 
1840 static int
1841 _SSL_set_tlsext_status_exts(SSL *s, STACK_OF(X509_EXTENSION) *exts)
1842 {
1843 	/* XXX - leak... */
1844 	s->internal->tlsext_ocsp_exts = exts;
1845 	return 1;
1846 }
1847 
1848 static int
1849 _SSL_get_tlsext_status_ids(SSL *s, STACK_OF(OCSP_RESPID) **ids)
1850 {
1851 	*ids = s->internal->tlsext_ocsp_ids;
1852 	return 1;
1853 }
1854 
1855 static int
1856 _SSL_set_tlsext_status_ids(SSL *s, STACK_OF(OCSP_RESPID) *ids)
1857 {
1858 	/* XXX - leak... */
1859 	s->internal->tlsext_ocsp_ids = ids;
1860 	return 1;
1861 }
1862 
1863 static int
1864 _SSL_get_tlsext_status_ocsp_resp(SSL *s, unsigned char **resp)
1865 {
1866 	*resp = s->internal->tlsext_ocsp_resp;
1867 	return s->internal->tlsext_ocsp_resplen;
1868 }
1869 
1870 static int
1871 _SSL_set_tlsext_status_ocsp_resp(SSL *s, unsigned char *resp, int resp_len)
1872 {
1873 	free(s->internal->tlsext_ocsp_resp);
1874 	s->internal->tlsext_ocsp_resp = resp;
1875 	s->internal->tlsext_ocsp_resplen = resp_len;
1876 	return 1;
1877 }
1878 
1879 int
1880 SSL_set0_chain(SSL *ssl, STACK_OF(X509) *chain)
1881 {
1882 	return ssl_cert_set0_chain(ssl->cert, chain);
1883 }
1884 
1885 int
1886 SSL_set1_chain(SSL *ssl, STACK_OF(X509) *chain)
1887 {
1888 	return ssl_cert_set1_chain(ssl->cert, chain);
1889 }
1890 
1891 int
1892 SSL_add0_chain_cert(SSL *ssl, X509 *x509)
1893 {
1894 	return ssl_cert_add0_chain_cert(ssl->cert, x509);
1895 }
1896 
1897 int
1898 SSL_add1_chain_cert(SSL *ssl, X509 *x509)
1899 {
1900 	return ssl_cert_add1_chain_cert(ssl->cert, x509);
1901 }
1902 
1903 int
1904 SSL_get0_chain_certs(const SSL *ssl, STACK_OF(X509) **out_chain)
1905 {
1906 	*out_chain = NULL;
1907 
1908 	if (ssl->cert->key != NULL)
1909 		*out_chain = ssl->cert->key->chain;
1910 
1911 	return 1;
1912 }
1913 
1914 int
1915 SSL_clear_chain_certs(SSL *ssl)
1916 {
1917 	return ssl_cert_set0_chain(ssl->cert, NULL);
1918 }
1919 
1920 int
1921 SSL_set1_groups(SSL *s, const int *groups, size_t groups_len)
1922 {
1923 	return tls1_set_groups(&s->internal->tlsext_supportedgroups,
1924 	    &s->internal->tlsext_supportedgroups_length, groups, groups_len);
1925 }
1926 
1927 int
1928 SSL_set1_groups_list(SSL *s, const char *groups)
1929 {
1930 	return tls1_set_group_list(&s->internal->tlsext_supportedgroups,
1931 	    &s->internal->tlsext_supportedgroups_length, groups);
1932 }
1933 
1934 long
1935 ssl3_ctrl(SSL *s, int cmd, long larg, void *parg)
1936 {
1937 	switch (cmd) {
1938 	case SSL_CTRL_GET_SESSION_REUSED:
1939 		return _SSL_session_reused(s);
1940 
1941 	case SSL_CTRL_GET_NUM_RENEGOTIATIONS:
1942 		return _SSL_num_renegotiations(s);
1943 
1944 	case SSL_CTRL_CLEAR_NUM_RENEGOTIATIONS:
1945 		return _SSL_clear_num_renegotiations(s);
1946 
1947 	case SSL_CTRL_GET_TOTAL_RENEGOTIATIONS:
1948 		return _SSL_total_renegotiations(s);
1949 
1950 	case SSL_CTRL_SET_TMP_DH:
1951 		return _SSL_set_tmp_dh(s, parg);
1952 
1953 	case SSL_CTRL_SET_TMP_DH_CB:
1954 		SSLerror(s, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
1955 		return 0;
1956 
1957 	case SSL_CTRL_SET_DH_AUTO:
1958 		return _SSL_set_dh_auto(s, larg);
1959 
1960 	case SSL_CTRL_SET_TMP_ECDH:
1961 		return _SSL_set_tmp_ecdh(s, parg);
1962 
1963 	case SSL_CTRL_SET_TMP_ECDH_CB:
1964 		SSLerror(s, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
1965 		return 0;
1966 
1967 	case SSL_CTRL_SET_ECDH_AUTO:
1968 		return _SSL_set_ecdh_auto(s, larg);
1969 
1970 	case SSL_CTRL_SET_TLSEXT_HOSTNAME:
1971 		if (larg != TLSEXT_NAMETYPE_host_name) {
1972 			SSLerror(s, SSL_R_SSL3_EXT_INVALID_SERVERNAME_TYPE);
1973 			return 0;
1974 		}
1975 		return _SSL_set_tlsext_host_name(s, parg);
1976 
1977 	case SSL_CTRL_SET_TLSEXT_DEBUG_ARG:
1978 		return _SSL_set_tlsext_debug_arg(s, parg);
1979 
1980 	case SSL_CTRL_SET_TLSEXT_STATUS_REQ_TYPE:
1981 		return _SSL_set_tlsext_status_type(s, larg);
1982 
1983 	case SSL_CTRL_GET_TLSEXT_STATUS_REQ_EXTS:
1984 		return _SSL_get_tlsext_status_exts(s, parg);
1985 
1986 	case SSL_CTRL_SET_TLSEXT_STATUS_REQ_EXTS:
1987 		return _SSL_set_tlsext_status_exts(s, parg);
1988 
1989 	case SSL_CTRL_GET_TLSEXT_STATUS_REQ_IDS:
1990 		return _SSL_get_tlsext_status_ids(s, parg);
1991 
1992 	case SSL_CTRL_SET_TLSEXT_STATUS_REQ_IDS:
1993 		return _SSL_set_tlsext_status_ids(s, parg);
1994 
1995 	case SSL_CTRL_GET_TLSEXT_STATUS_REQ_OCSP_RESP:
1996 		return _SSL_get_tlsext_status_ocsp_resp(s, parg);
1997 
1998 	case SSL_CTRL_SET_TLSEXT_STATUS_REQ_OCSP_RESP:
1999 		return _SSL_set_tlsext_status_ocsp_resp(s, parg, larg);
2000 
2001 	case SSL_CTRL_CHAIN:
2002 		if (larg == 0)
2003 			return SSL_set0_chain(s, (STACK_OF(X509) *)parg);
2004 		else
2005 			return SSL_set1_chain(s, (STACK_OF(X509) *)parg);
2006 
2007 	case SSL_CTRL_CHAIN_CERT:
2008 		if (larg == 0)
2009 			return SSL_add0_chain_cert(s, (X509 *)parg);
2010 		else
2011 			return SSL_add1_chain_cert(s, (X509 *)parg);
2012 
2013 	case SSL_CTRL_GET_CHAIN_CERTS:
2014 		return SSL_get0_chain_certs(s, (STACK_OF(X509) **)parg);
2015 
2016 	case SSL_CTRL_SET_GROUPS:
2017 		return SSL_set1_groups(s, parg, larg);
2018 
2019 	case SSL_CTRL_SET_GROUPS_LIST:
2020 		return SSL_set1_groups_list(s, parg);
2021 
2022 	case SSL_CTRL_GET_SERVER_TMP_KEY:
2023 		return ssl_ctrl_get_server_tmp_key(s, parg);
2024 
2025 	case SSL_CTRL_GET_MIN_PROTO_VERSION:
2026 		return SSL_get_min_proto_version(s);
2027 
2028 	case SSL_CTRL_GET_MAX_PROTO_VERSION:
2029 		return SSL_get_max_proto_version(s);
2030 
2031 	case SSL_CTRL_SET_MIN_PROTO_VERSION:
2032 		if (larg < 0 || larg > UINT16_MAX)
2033 			return 0;
2034 		return SSL_set_min_proto_version(s, larg);
2035 
2036 	case SSL_CTRL_SET_MAX_PROTO_VERSION:
2037 		if (larg < 0 || larg > UINT16_MAX)
2038 			return 0;
2039 		return SSL_set_max_proto_version(s, larg);
2040 
2041 	/*
2042 	 * Legacy controls that should eventually be removed.
2043 	 */
2044 	case SSL_CTRL_GET_CLIENT_CERT_REQUEST:
2045 		return 0;
2046 
2047 	case SSL_CTRL_GET_FLAGS:
2048 		return (int)(s->s3->flags);
2049 
2050 	case SSL_CTRL_NEED_TMP_RSA:
2051 		return 0;
2052 
2053 	case SSL_CTRL_SET_TMP_RSA:
2054 	case SSL_CTRL_SET_TMP_RSA_CB:
2055 		SSLerror(s, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
2056 		return 0;
2057 	}
2058 
2059 	return 0;
2060 }
2061 
2062 long
2063 ssl3_callback_ctrl(SSL *s, int cmd, void (*fp)(void))
2064 {
2065 	switch (cmd) {
2066 	case SSL_CTRL_SET_TMP_RSA_CB:
2067 		SSLerror(s, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
2068 		return 0;
2069 
2070 	case SSL_CTRL_SET_TMP_DH_CB:
2071 		s->cert->dh_tmp_cb = (DH *(*)(SSL *, int, int))fp;
2072 		return 1;
2073 
2074 	case SSL_CTRL_SET_TMP_ECDH_CB:
2075 		return 1;
2076 
2077 	case SSL_CTRL_SET_TLSEXT_DEBUG_CB:
2078 		s->internal->tlsext_debug_cb = (void (*)(SSL *, int , int,
2079 		    unsigned char *, int, void *))fp;
2080 		return 1;
2081 	}
2082 
2083 	return 0;
2084 }
2085 
2086 static int
2087 _SSL_CTX_set_tmp_dh(SSL_CTX *ctx, DH *dh)
2088 {
2089 	DH *dh_tmp;
2090 
2091 	if ((dh_tmp = DHparams_dup(dh)) == NULL) {
2092 		SSLerrorx(ERR_R_DH_LIB);
2093 		return 0;
2094 	}
2095 
2096 	DH_free(ctx->internal->cert->dh_tmp);
2097 	ctx->internal->cert->dh_tmp = dh_tmp;
2098 
2099 	return 1;
2100 }
2101 
2102 static int
2103 _SSL_CTX_set_dh_auto(SSL_CTX *ctx, int state)
2104 {
2105 	ctx->internal->cert->dh_tmp_auto = state;
2106 	return 1;
2107 }
2108 
2109 static int
2110 _SSL_CTX_set_tmp_ecdh(SSL_CTX *ctx, EC_KEY *ecdh)
2111 {
2112 	const EC_GROUP *group;
2113 	int nid;
2114 
2115 	if (ecdh == NULL)
2116 		return 0;
2117 	if ((group = EC_KEY_get0_group(ecdh)) == NULL)
2118 		return 0;
2119 
2120 	nid = EC_GROUP_get_curve_name(group);
2121 	return SSL_CTX_set1_groups(ctx, &nid, 1);
2122 }
2123 
2124 static int
2125 _SSL_CTX_set_ecdh_auto(SSL_CTX *ctx, int state)
2126 {
2127 	return 1;
2128 }
2129 
2130 static int
2131 _SSL_CTX_set_tlsext_servername_arg(SSL_CTX *ctx, void *arg)
2132 {
2133 	ctx->internal->tlsext_servername_arg = arg;
2134 	return 1;
2135 }
2136 
2137 static int
2138 _SSL_CTX_get_tlsext_ticket_keys(SSL_CTX *ctx, unsigned char *keys, int keys_len)
2139 {
2140 	if (keys == NULL)
2141 		return 48;
2142 
2143 	if (keys_len != 48) {
2144 		SSLerrorx(SSL_R_INVALID_TICKET_KEYS_LENGTH);
2145 		return 0;
2146 	}
2147 
2148 	memcpy(keys, ctx->internal->tlsext_tick_key_name, 16);
2149 	memcpy(keys + 16, ctx->internal->tlsext_tick_hmac_key, 16);
2150 	memcpy(keys + 32, ctx->internal->tlsext_tick_aes_key, 16);
2151 
2152 	return 1;
2153 }
2154 
2155 static int
2156 _SSL_CTX_set_tlsext_ticket_keys(SSL_CTX *ctx, unsigned char *keys, int keys_len)
2157 {
2158 	if (keys == NULL)
2159 		return 48;
2160 
2161 	if (keys_len != 48) {
2162 		SSLerrorx(SSL_R_INVALID_TICKET_KEYS_LENGTH);
2163 		return 0;
2164 	}
2165 
2166 	memcpy(ctx->internal->tlsext_tick_key_name, keys, 16);
2167 	memcpy(ctx->internal->tlsext_tick_hmac_key, keys + 16, 16);
2168 	memcpy(ctx->internal->tlsext_tick_aes_key, keys + 32, 16);
2169 
2170 	return 1;
2171 }
2172 
2173 static int
2174 _SSL_CTX_get_tlsext_status_arg(SSL_CTX *ctx, void **arg)
2175 {
2176 	*arg = ctx->internal->tlsext_status_arg;
2177 	return 1;
2178 }
2179 
2180 static int
2181 _SSL_CTX_set_tlsext_status_arg(SSL_CTX *ctx, void *arg)
2182 {
2183 	ctx->internal->tlsext_status_arg = arg;
2184 	return 1;
2185 }
2186 
2187 int
2188 SSL_CTX_set0_chain(SSL_CTX *ctx, STACK_OF(X509) *chain)
2189 {
2190 	return ssl_cert_set0_chain(ctx->internal->cert, chain);
2191 }
2192 
2193 int
2194 SSL_CTX_set1_chain(SSL_CTX *ctx, STACK_OF(X509) *chain)
2195 {
2196 	return ssl_cert_set1_chain(ctx->internal->cert, chain);
2197 }
2198 
2199 int
2200 SSL_CTX_add0_chain_cert(SSL_CTX *ctx, X509 *x509)
2201 {
2202 	return ssl_cert_add0_chain_cert(ctx->internal->cert, x509);
2203 }
2204 
2205 int
2206 SSL_CTX_add1_chain_cert(SSL_CTX *ctx, X509 *x509)
2207 {
2208 	return ssl_cert_add1_chain_cert(ctx->internal->cert, x509);
2209 }
2210 
2211 int
2212 SSL_CTX_get0_chain_certs(const SSL_CTX *ctx, STACK_OF(X509) **out_chain)
2213 {
2214 	*out_chain = NULL;
2215 
2216 	if (ctx->internal->cert->key != NULL)
2217 		*out_chain = ctx->internal->cert->key->chain;
2218 
2219 	return 1;
2220 }
2221 
2222 int
2223 SSL_CTX_clear_chain_certs(SSL_CTX *ctx)
2224 {
2225 	return ssl_cert_set0_chain(ctx->internal->cert, NULL);
2226 }
2227 
2228 static int
2229 _SSL_CTX_add_extra_chain_cert(SSL_CTX *ctx, X509 *cert)
2230 {
2231 	if (ctx->extra_certs == NULL) {
2232 		if ((ctx->extra_certs = sk_X509_new_null()) == NULL)
2233 			return 0;
2234 	}
2235 	if (sk_X509_push(ctx->extra_certs, cert) == 0)
2236 		return 0;
2237 
2238 	return 1;
2239 }
2240 
2241 static int
2242 _SSL_CTX_get_extra_chain_certs(SSL_CTX *ctx, STACK_OF(X509) **certs)
2243 {
2244 	*certs = ctx->extra_certs;
2245 	return 1;
2246 }
2247 
2248 static int
2249 _SSL_CTX_clear_extra_chain_certs(SSL_CTX *ctx)
2250 {
2251 	sk_X509_pop_free(ctx->extra_certs, X509_free);
2252 	ctx->extra_certs = NULL;
2253 	return 1;
2254 }
2255 
2256 int
2257 SSL_CTX_set1_groups(SSL_CTX *ctx, const int *groups, size_t groups_len)
2258 {
2259 	return tls1_set_groups(&ctx->internal->tlsext_supportedgroups,
2260 	    &ctx->internal->tlsext_supportedgroups_length, groups, groups_len);
2261 }
2262 
2263 int
2264 SSL_CTX_set1_groups_list(SSL_CTX *ctx, const char *groups)
2265 {
2266 	return tls1_set_group_list(&ctx->internal->tlsext_supportedgroups,
2267 	    &ctx->internal->tlsext_supportedgroups_length, groups);
2268 }
2269 
2270 long
2271 ssl3_ctx_ctrl(SSL_CTX *ctx, int cmd, long larg, void *parg)
2272 {
2273 	switch (cmd) {
2274 	case SSL_CTRL_SET_TMP_DH:
2275 		return _SSL_CTX_set_tmp_dh(ctx, parg);
2276 
2277 	case SSL_CTRL_SET_TMP_DH_CB:
2278 		SSLerrorx(ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
2279 		return 0;
2280 
2281 	case SSL_CTRL_SET_DH_AUTO:
2282 		return _SSL_CTX_set_dh_auto(ctx, larg);
2283 
2284 	case SSL_CTRL_SET_TMP_ECDH:
2285 		return _SSL_CTX_set_tmp_ecdh(ctx, parg);
2286 
2287 	case SSL_CTRL_SET_TMP_ECDH_CB:
2288 		SSLerrorx(ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
2289 		return 0;
2290 
2291 	case SSL_CTRL_SET_ECDH_AUTO:
2292 		return _SSL_CTX_set_ecdh_auto(ctx, larg);
2293 
2294 	case SSL_CTRL_SET_TLSEXT_SERVERNAME_ARG:
2295 		return _SSL_CTX_set_tlsext_servername_arg(ctx, parg);
2296 
2297 	case SSL_CTRL_GET_TLSEXT_TICKET_KEYS:
2298 		return _SSL_CTX_get_tlsext_ticket_keys(ctx, parg, larg);
2299 
2300 	case SSL_CTRL_SET_TLSEXT_TICKET_KEYS:
2301 		return _SSL_CTX_set_tlsext_ticket_keys(ctx, parg, larg);
2302 
2303 	case SSL_CTRL_GET_TLSEXT_STATUS_REQ_CB_ARG:
2304 		return _SSL_CTX_get_tlsext_status_arg(ctx, parg);
2305 
2306 	case SSL_CTRL_SET_TLSEXT_STATUS_REQ_CB_ARG:
2307 		return _SSL_CTX_set_tlsext_status_arg(ctx, parg);
2308 
2309 	case SSL_CTRL_CHAIN:
2310 		if (larg == 0)
2311 			return SSL_CTX_set0_chain(ctx, (STACK_OF(X509) *)parg);
2312 		else
2313 			return SSL_CTX_set1_chain(ctx, (STACK_OF(X509) *)parg);
2314 
2315 	case SSL_CTRL_CHAIN_CERT:
2316 		if (larg == 0)
2317 			return SSL_CTX_add0_chain_cert(ctx, (X509 *)parg);
2318 		else
2319 			return SSL_CTX_add1_chain_cert(ctx, (X509 *)parg);
2320 
2321 	case SSL_CTRL_GET_CHAIN_CERTS:
2322 		return SSL_CTX_get0_chain_certs(ctx, (STACK_OF(X509) **)parg);
2323 
2324 	case SSL_CTRL_EXTRA_CHAIN_CERT:
2325 		return _SSL_CTX_add_extra_chain_cert(ctx, parg);
2326 
2327 	case SSL_CTRL_GET_EXTRA_CHAIN_CERTS:
2328 		return _SSL_CTX_get_extra_chain_certs(ctx, parg);
2329 
2330 	case SSL_CTRL_CLEAR_EXTRA_CHAIN_CERTS:
2331 		return _SSL_CTX_clear_extra_chain_certs(ctx);
2332 
2333 	case SSL_CTRL_SET_GROUPS:
2334 		return SSL_CTX_set1_groups(ctx, parg, larg);
2335 
2336 	case SSL_CTRL_SET_GROUPS_LIST:
2337 		return SSL_CTX_set1_groups_list(ctx, parg);
2338 
2339 	case SSL_CTRL_GET_MIN_PROTO_VERSION:
2340 		return SSL_CTX_get_min_proto_version(ctx);
2341 
2342 	case SSL_CTRL_GET_MAX_PROTO_VERSION:
2343 		return SSL_CTX_get_max_proto_version(ctx);
2344 
2345 	case SSL_CTRL_SET_MIN_PROTO_VERSION:
2346 		if (larg < 0 || larg > UINT16_MAX)
2347 			return 0;
2348 		return SSL_CTX_set_min_proto_version(ctx, larg);
2349 
2350 	case SSL_CTRL_SET_MAX_PROTO_VERSION:
2351 		if (larg < 0 || larg > UINT16_MAX)
2352 			return 0;
2353 		return SSL_CTX_set_max_proto_version(ctx, larg);
2354 
2355 	/*
2356 	 * Legacy controls that should eventually be removed.
2357 	 */
2358 	case SSL_CTRL_NEED_TMP_RSA:
2359 		return 0;
2360 
2361 	case SSL_CTRL_SET_TMP_RSA:
2362 	case SSL_CTRL_SET_TMP_RSA_CB:
2363 		SSLerrorx(ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
2364 		return 0;
2365 	}
2366 
2367 	return 0;
2368 }
2369 
2370 long
2371 ssl3_ctx_callback_ctrl(SSL_CTX *ctx, int cmd, void (*fp)(void))
2372 {
2373 	switch (cmd) {
2374 	case SSL_CTRL_SET_TMP_RSA_CB:
2375 		SSLerrorx(ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
2376 		return 0;
2377 
2378 	case SSL_CTRL_SET_TMP_DH_CB:
2379 		ctx->internal->cert->dh_tmp_cb =
2380 		    (DH *(*)(SSL *, int, int))fp;
2381 		return 1;
2382 
2383 	case SSL_CTRL_SET_TMP_ECDH_CB:
2384 		return 1;
2385 
2386 	case SSL_CTRL_SET_TLSEXT_SERVERNAME_CB:
2387 		ctx->internal->tlsext_servername_callback =
2388 		    (int (*)(SSL *, int *, void *))fp;
2389 		return 1;
2390 
2391 	case SSL_CTRL_GET_TLSEXT_STATUS_REQ_CB:
2392 		*(int (**)(SSL *, void *))fp = ctx->internal->tlsext_status_cb;
2393 		return 1;
2394 
2395 	case SSL_CTRL_SET_TLSEXT_STATUS_REQ_CB:
2396 		ctx->internal->tlsext_status_cb = (int (*)(SSL *, void *))fp;
2397 		return 1;
2398 
2399 	case SSL_CTRL_SET_TLSEXT_TICKET_KEY_CB:
2400 		ctx->internal->tlsext_ticket_key_cb = (int (*)(SSL *, unsigned char  *,
2401 		    unsigned char *, EVP_CIPHER_CTX *, HMAC_CTX *, int))fp;
2402 		return 1;
2403 	}
2404 
2405 	return 0;
2406 }
2407 
2408 /*
2409  * This function needs to check if the ciphers required are actually available.
2410  */
2411 const SSL_CIPHER *
2412 ssl3_get_cipher_by_char(const unsigned char *p)
2413 {
2414 	uint16_t cipher_value;
2415 	CBS cbs;
2416 
2417 	/* We have to assume it is at least 2 bytes due to existing API. */
2418 	CBS_init(&cbs, p, 2);
2419 	if (!CBS_get_u16(&cbs, &cipher_value))
2420 		return NULL;
2421 
2422 	return ssl3_get_cipher_by_value(cipher_value);
2423 }
2424 
2425 int
2426 ssl3_put_cipher_by_char(const SSL_CIPHER *c, unsigned char *p)
2427 {
2428 	CBB cbb;
2429 
2430 	if (p == NULL)
2431 		return (2);
2432 
2433 	if ((c->id & ~SSL3_CK_VALUE_MASK) != SSL3_CK_ID)
2434 		return (0);
2435 
2436 	memset(&cbb, 0, sizeof(cbb));
2437 
2438 	/* We have to assume it is at least 2 bytes due to existing API. */
2439 	if (!CBB_init_fixed(&cbb, p, 2))
2440 		goto err;
2441 	if (!CBB_add_u16(&cbb, ssl3_cipher_get_value(c)))
2442 		goto err;
2443 	if (!CBB_finish(&cbb, NULL, NULL))
2444 		goto err;
2445 
2446 	return (2);
2447 
2448  err:
2449 	CBB_cleanup(&cbb);
2450 	return (0);
2451 }
2452 
2453 SSL_CIPHER *
2454 ssl3_choose_cipher(SSL *s, STACK_OF(SSL_CIPHER) *clnt,
2455     STACK_OF(SSL_CIPHER) *srvr)
2456 {
2457 	unsigned long alg_k, alg_a, mask_k, mask_a;
2458 	STACK_OF(SSL_CIPHER) *prio, *allow;
2459 	SSL_CIPHER *c, *ret = NULL;
2460 	int can_use_ecc;
2461 	int i, ii, ok;
2462 	CERT *cert;
2463 
2464 	/* Let's see which ciphers we can support */
2465 	cert = s->cert;
2466 
2467 	can_use_ecc = (tls1_get_shared_curve(s) != NID_undef);
2468 
2469 	/*
2470 	 * Do not set the compare functions, because this may lead to a
2471 	 * reordering by "id". We want to keep the original ordering.
2472 	 * We may pay a price in performance during sk_SSL_CIPHER_find(),
2473 	 * but would have to pay with the price of sk_SSL_CIPHER_dup().
2474 	 */
2475 
2476 	if (s->internal->options & SSL_OP_CIPHER_SERVER_PREFERENCE) {
2477 		prio = srvr;
2478 		allow = clnt;
2479 	} else {
2480 		prio = clnt;
2481 		allow = srvr;
2482 	}
2483 
2484 	for (i = 0; i < sk_SSL_CIPHER_num(prio); i++) {
2485 		c = sk_SSL_CIPHER_value(prio, i);
2486 
2487 		/* Skip TLS v1.2 only ciphersuites if not supported. */
2488 		if ((c->algorithm_ssl & SSL_TLSV1_2) &&
2489 		    !SSL_USE_TLS1_2_CIPHERS(s))
2490 			continue;
2491 
2492 		ssl_set_cert_masks(cert, c);
2493 		mask_k = cert->mask_k;
2494 		mask_a = cert->mask_a;
2495 
2496 		alg_k = c->algorithm_mkey;
2497 		alg_a = c->algorithm_auth;
2498 
2499 
2500 		ok = (alg_k & mask_k) && (alg_a & mask_a);
2501 
2502 		/*
2503 		 * If we are considering an ECC cipher suite that uses our
2504 		 * certificate check it.
2505 		 */
2506 		if (alg_a & SSL_aECDSA)
2507 			ok = ok && tls1_check_ec_server_key(s);
2508 		/*
2509 		 * If we are considering an ECC cipher suite that uses
2510 		 * an ephemeral EC key check it.
2511 		 */
2512 		if (alg_k & SSL_kECDHE)
2513 			ok = ok && can_use_ecc;
2514 
2515 		if (!ok)
2516 			continue;
2517 		ii = sk_SSL_CIPHER_find(allow, c);
2518 		if (ii >= 0) {
2519 			ret = sk_SSL_CIPHER_value(allow, ii);
2520 			break;
2521 		}
2522 	}
2523 	return (ret);
2524 }
2525 
2526 int
2527 ssl3_get_req_cert_types(SSL *s, CBB *cbb)
2528 {
2529 	unsigned long alg_k;
2530 
2531 	alg_k = S3I(s)->hs.new_cipher->algorithm_mkey;
2532 
2533 #ifndef OPENSSL_NO_GOST
2534 	if ((alg_k & SSL_kGOST) != 0) {
2535 		if (!CBB_add_u8(cbb, TLS_CT_GOST94_SIGN))
2536 			return 0;
2537 		if (!CBB_add_u8(cbb, TLS_CT_GOST01_SIGN))
2538 			return 0;
2539 		if (!CBB_add_u8(cbb, TLS_CT_GOST12_256_SIGN))
2540 			return 0;
2541 		if (!CBB_add_u8(cbb, TLS_CT_GOST12_512_SIGN))
2542 			return 0;
2543 	}
2544 #endif
2545 
2546 	if ((alg_k & SSL_kDHE) != 0) {
2547 		if (!CBB_add_u8(cbb, SSL3_CT_RSA_FIXED_DH))
2548 			return 0;
2549 	}
2550 
2551 	if (!CBB_add_u8(cbb, SSL3_CT_RSA_SIGN))
2552 		return 0;
2553 
2554 	/*
2555 	 * ECDSA certs can be used with RSA cipher suites as well
2556 	 * so we don't need to check for SSL_kECDH or SSL_kECDHE.
2557 	 */
2558 	if (!CBB_add_u8(cbb, TLS_CT_ECDSA_SIGN))
2559 		return 0;
2560 
2561 	return 1;
2562 }
2563 
2564 int
2565 ssl3_shutdown(SSL *s)
2566 {
2567 	int	ret;
2568 
2569 	/*
2570 	 * Don't do anything much if we have not done the handshake or
2571 	 * we don't want to send messages :-)
2572 	 */
2573 	if ((s->internal->quiet_shutdown) || (S3I(s)->hs.state == SSL_ST_BEFORE)) {
2574 		s->internal->shutdown = (SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN);
2575 		return (1);
2576 	}
2577 
2578 	if (!(s->internal->shutdown & SSL_SENT_SHUTDOWN)) {
2579 		s->internal->shutdown|=SSL_SENT_SHUTDOWN;
2580 		ssl3_send_alert(s, SSL3_AL_WARNING, SSL_AD_CLOSE_NOTIFY);
2581 		/*
2582 		 * Our shutdown alert has been sent now, and if it still needs
2583 	 	 * to be written, S3I(s)->alert_dispatch will be true
2584 		 */
2585 		if (S3I(s)->alert_dispatch)
2586 			return(-1);	/* return WANT_WRITE */
2587 	} else if (S3I(s)->alert_dispatch) {
2588 		/* resend it if not sent */
2589 		ret = s->method->ssl_dispatch_alert(s);
2590 		if (ret == -1) {
2591 			/*
2592 			 * We only get to return -1 here the 2nd/Nth
2593 			 * invocation, we must  have already signalled
2594 			 * return 0 upon a previous invoation,
2595 			 * return WANT_WRITE
2596 			 */
2597 			return (ret);
2598 		}
2599 	} else if (!(s->internal->shutdown & SSL_RECEIVED_SHUTDOWN)) {
2600 		/* If we are waiting for a close from our peer, we are closed */
2601 		s->method->internal->ssl_read_bytes(s, 0, NULL, 0, 0);
2602 		if (!(s->internal->shutdown & SSL_RECEIVED_SHUTDOWN)) {
2603 			return(-1);	/* return WANT_READ */
2604 		}
2605 	}
2606 
2607 	if ((s->internal->shutdown == (SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN)) &&
2608 	    !S3I(s)->alert_dispatch)
2609 		return (1);
2610 	else
2611 		return (0);
2612 }
2613 
2614 int
2615 ssl3_write(SSL *s, const void *buf, int len)
2616 {
2617 	errno = 0;
2618 
2619 	if (S3I(s)->renegotiate)
2620 		ssl3_renegotiate_check(s);
2621 
2622 	return s->method->internal->ssl_write_bytes(s,
2623 	    SSL3_RT_APPLICATION_DATA, buf, len);
2624 }
2625 
2626 static int
2627 ssl3_read_internal(SSL *s, void *buf, int len, int peek)
2628 {
2629 	int	ret;
2630 
2631 	errno = 0;
2632 	if (S3I(s)->renegotiate)
2633 		ssl3_renegotiate_check(s);
2634 	S3I(s)->in_read_app_data = 1;
2635 	ret = s->method->internal->ssl_read_bytes(s,
2636 	    SSL3_RT_APPLICATION_DATA, buf, len, peek);
2637 	if ((ret == -1) && (S3I(s)->in_read_app_data == 2)) {
2638 		/*
2639 		 * ssl3_read_bytes decided to call s->internal->handshake_func, which
2640 		 * called ssl3_read_bytes to read handshake data.
2641 		 * However, ssl3_read_bytes actually found application data
2642 		 * and thinks that application data makes sense here; so disable
2643 		 * handshake processing and try to read application data again.
2644 		 */
2645 		s->internal->in_handshake++;
2646 		ret = s->method->internal->ssl_read_bytes(s,
2647 		    SSL3_RT_APPLICATION_DATA, buf, len, peek);
2648 		s->internal->in_handshake--;
2649 	} else
2650 		S3I(s)->in_read_app_data = 0;
2651 
2652 	return (ret);
2653 }
2654 
2655 int
2656 ssl3_read(SSL *s, void *buf, int len)
2657 {
2658 	return ssl3_read_internal(s, buf, len, 0);
2659 }
2660 
2661 int
2662 ssl3_peek(SSL *s, void *buf, int len)
2663 {
2664 	return ssl3_read_internal(s, buf, len, 1);
2665 }
2666 
2667 int
2668 ssl3_renegotiate(SSL *s)
2669 {
2670 	if (s->internal->handshake_func == NULL)
2671 		return (1);
2672 
2673 	if (s->s3->flags & SSL3_FLAGS_NO_RENEGOTIATE_CIPHERS)
2674 		return (0);
2675 
2676 	S3I(s)->renegotiate = 1;
2677 	return (1);
2678 }
2679 
2680 int
2681 ssl3_renegotiate_check(SSL *s)
2682 {
2683 	int	ret = 0;
2684 
2685 	if (S3I(s)->renegotiate) {
2686 		if ((S3I(s)->rbuf.left == 0) && (S3I(s)->wbuf.left == 0) &&
2687 		    !SSL_in_init(s)) {
2688 			/*
2689 			 * If we are the server, and we have sent
2690 			 * a 'RENEGOTIATE' message, we need to go
2691 			 * to SSL_ST_ACCEPT.
2692 			 */
2693 			/* SSL_ST_ACCEPT */
2694 			S3I(s)->hs.state = SSL_ST_RENEGOTIATE;
2695 			S3I(s)->renegotiate = 0;
2696 			S3I(s)->num_renegotiations++;
2697 			S3I(s)->total_renegotiations++;
2698 			ret = 1;
2699 		}
2700 	}
2701 	return (ret);
2702 }
2703 /*
2704  * If we are using default SHA1+MD5 algorithms switch to new SHA256 PRF
2705  * and handshake macs if required.
2706  */
2707 long
2708 ssl_get_algorithm2(SSL *s)
2709 {
2710 	long	alg2 = S3I(s)->hs.new_cipher->algorithm2;
2711 
2712 	if (s->method->internal->ssl3_enc->enc_flags & SSL_ENC_FLAG_SHA256_PRF &&
2713 	    alg2 == (SSL_HANDSHAKE_MAC_DEFAULT|TLS1_PRF))
2714 		return SSL_HANDSHAKE_MAC_SHA256 | TLS1_PRF_SHA256;
2715 	return alg2;
2716 }
2717