xref: /openbsd/lib/libssl/ssl3.h (revision d415bd75)
1 /* $OpenBSD: ssl3.h,v 1.57 2021/09/10 14:49:13 tb 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) 1998-2002 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  * ECC cipher suite support in OpenSSL originally developed by
114  * SUN MICROSYSTEMS, INC., and contributed to the OpenSSL project.
115  */
116 
117 #ifndef HEADER_SSL3_H
118 #define HEADER_SSL3_H
119 
120 #include <openssl/opensslconf.h>
121 #include <openssl/buffer.h>
122 #include <openssl/evp.h>
123 #include <openssl/ssl.h>
124 
125 #ifdef  __cplusplus
126 extern "C" {
127 #endif
128 
129 /* TLS_EMPTY_RENEGOTIATION_INFO_SCSV from RFC 5746. */
130 #define SSL3_CK_SCSV				0x030000FF
131 
132 /* TLS_FALLBACK_SCSV from draft-ietf-tls-downgrade-scsv-03. */
133 #define SSL3_CK_FALLBACK_SCSV			0x03005600
134 
135 #define SSL3_CK_RSA_NULL_MD5			0x03000001
136 #define SSL3_CK_RSA_NULL_SHA			0x03000002
137 #define SSL3_CK_RSA_RC4_40_MD5 			0x03000003
138 #define SSL3_CK_RSA_RC4_128_MD5			0x03000004
139 #define SSL3_CK_RSA_RC4_128_SHA			0x03000005
140 #define SSL3_CK_RSA_RC2_40_MD5			0x03000006
141 #define SSL3_CK_RSA_IDEA_128_SHA		0x03000007
142 #define SSL3_CK_RSA_DES_40_CBC_SHA		0x03000008
143 #define SSL3_CK_RSA_DES_64_CBC_SHA		0x03000009
144 #define SSL3_CK_RSA_DES_192_CBC3_SHA		0x0300000A
145 
146 #define SSL3_CK_DH_DSS_DES_40_CBC_SHA		0x0300000B
147 #define SSL3_CK_DH_DSS_DES_64_CBC_SHA		0x0300000C
148 #define SSL3_CK_DH_DSS_DES_192_CBC3_SHA 	0x0300000D
149 #define SSL3_CK_DH_RSA_DES_40_CBC_SHA		0x0300000E
150 #define SSL3_CK_DH_RSA_DES_64_CBC_SHA		0x0300000F
151 #define SSL3_CK_DH_RSA_DES_192_CBC3_SHA 	0x03000010
152 
153 #define SSL3_CK_EDH_DSS_DES_40_CBC_SHA		0x03000011
154 #define SSL3_CK_EDH_DSS_DES_64_CBC_SHA		0x03000012
155 #define SSL3_CK_EDH_DSS_DES_192_CBC3_SHA	0x03000013
156 #define SSL3_CK_EDH_RSA_DES_40_CBC_SHA		0x03000014
157 #define SSL3_CK_EDH_RSA_DES_64_CBC_SHA		0x03000015
158 #define SSL3_CK_EDH_RSA_DES_192_CBC3_SHA	0x03000016
159 
160 #define SSL3_CK_ADH_RC4_40_MD5			0x03000017
161 #define SSL3_CK_ADH_RC4_128_MD5			0x03000018
162 #define SSL3_CK_ADH_DES_40_CBC_SHA		0x03000019
163 #define SSL3_CK_ADH_DES_64_CBC_SHA		0x0300001A
164 #define SSL3_CK_ADH_DES_192_CBC_SHA		0x0300001B
165 
166 /*    VRS Additional Kerberos5 entries
167  */
168 #define SSL3_CK_KRB5_DES_64_CBC_SHA		0x0300001E
169 #define SSL3_CK_KRB5_DES_192_CBC3_SHA		0x0300001F
170 #define SSL3_CK_KRB5_RC4_128_SHA		0x03000020
171 #define SSL3_CK_KRB5_IDEA_128_CBC_SHA	       	0x03000021
172 #define SSL3_CK_KRB5_DES_64_CBC_MD5       	0x03000022
173 #define SSL3_CK_KRB5_DES_192_CBC3_MD5       	0x03000023
174 #define SSL3_CK_KRB5_RC4_128_MD5	       	0x03000024
175 #define SSL3_CK_KRB5_IDEA_128_CBC_MD5 		0x03000025
176 
177 #define SSL3_CK_KRB5_DES_40_CBC_SHA 		0x03000026
178 #define SSL3_CK_KRB5_RC2_40_CBC_SHA 		0x03000027
179 #define SSL3_CK_KRB5_RC4_40_SHA	 		0x03000028
180 #define SSL3_CK_KRB5_DES_40_CBC_MD5 		0x03000029
181 #define SSL3_CK_KRB5_RC2_40_CBC_MD5 		0x0300002A
182 #define SSL3_CK_KRB5_RC4_40_MD5	 		0x0300002B
183 
184 #define SSL3_TXT_RSA_NULL_MD5			"NULL-MD5"
185 #define SSL3_TXT_RSA_NULL_SHA			"NULL-SHA"
186 #define SSL3_TXT_RSA_RC4_40_MD5 		"EXP-RC4-MD5"
187 #define SSL3_TXT_RSA_RC4_128_MD5		"RC4-MD5"
188 #define SSL3_TXT_RSA_RC4_128_SHA		"RC4-SHA"
189 #define SSL3_TXT_RSA_RC2_40_MD5			"EXP-RC2-CBC-MD5"
190 #define SSL3_TXT_RSA_IDEA_128_SHA		"IDEA-CBC-SHA"
191 #define SSL3_TXT_RSA_DES_40_CBC_SHA		"EXP-DES-CBC-SHA"
192 #define SSL3_TXT_RSA_DES_64_CBC_SHA		"DES-CBC-SHA"
193 #define SSL3_TXT_RSA_DES_192_CBC3_SHA		"DES-CBC3-SHA"
194 
195 #define SSL3_TXT_DH_DSS_DES_40_CBC_SHA		"EXP-DH-DSS-DES-CBC-SHA"
196 #define SSL3_TXT_DH_DSS_DES_64_CBC_SHA		"DH-DSS-DES-CBC-SHA"
197 #define SSL3_TXT_DH_DSS_DES_192_CBC3_SHA 	"DH-DSS-DES-CBC3-SHA"
198 #define SSL3_TXT_DH_RSA_DES_40_CBC_SHA		"EXP-DH-RSA-DES-CBC-SHA"
199 #define SSL3_TXT_DH_RSA_DES_64_CBC_SHA		"DH-RSA-DES-CBC-SHA"
200 #define SSL3_TXT_DH_RSA_DES_192_CBC3_SHA 	"DH-RSA-DES-CBC3-SHA"
201 
202 #define SSL3_TXT_EDH_DSS_DES_40_CBC_SHA		"EXP-EDH-DSS-DES-CBC-SHA"
203 #define SSL3_TXT_EDH_DSS_DES_64_CBC_SHA		"EDH-DSS-DES-CBC-SHA"
204 #define SSL3_TXT_EDH_DSS_DES_192_CBC3_SHA	"EDH-DSS-DES-CBC3-SHA"
205 #define SSL3_TXT_EDH_RSA_DES_40_CBC_SHA		"EXP-EDH-RSA-DES-CBC-SHA"
206 #define SSL3_TXT_EDH_RSA_DES_64_CBC_SHA		"EDH-RSA-DES-CBC-SHA"
207 #define SSL3_TXT_EDH_RSA_DES_192_CBC3_SHA	"EDH-RSA-DES-CBC3-SHA"
208 
209 #define SSL3_TXT_ADH_RC4_40_MD5			"EXP-ADH-RC4-MD5"
210 #define SSL3_TXT_ADH_RC4_128_MD5		"ADH-RC4-MD5"
211 #define SSL3_TXT_ADH_DES_40_CBC_SHA		"EXP-ADH-DES-CBC-SHA"
212 #define SSL3_TXT_ADH_DES_64_CBC_SHA		"ADH-DES-CBC-SHA"
213 #define SSL3_TXT_ADH_DES_192_CBC_SHA		"ADH-DES-CBC3-SHA"
214 
215 #define SSL3_TXT_KRB5_DES_64_CBC_SHA		"KRB5-DES-CBC-SHA"
216 #define SSL3_TXT_KRB5_DES_192_CBC3_SHA		"KRB5-DES-CBC3-SHA"
217 #define SSL3_TXT_KRB5_RC4_128_SHA		"KRB5-RC4-SHA"
218 #define SSL3_TXT_KRB5_IDEA_128_CBC_SHA	       	"KRB5-IDEA-CBC-SHA"
219 #define SSL3_TXT_KRB5_DES_64_CBC_MD5       	"KRB5-DES-CBC-MD5"
220 #define SSL3_TXT_KRB5_DES_192_CBC3_MD5       	"KRB5-DES-CBC3-MD5"
221 #define SSL3_TXT_KRB5_RC4_128_MD5		"KRB5-RC4-MD5"
222 #define SSL3_TXT_KRB5_IDEA_128_CBC_MD5 		"KRB5-IDEA-CBC-MD5"
223 
224 #define SSL3_TXT_KRB5_DES_40_CBC_SHA 		"EXP-KRB5-DES-CBC-SHA"
225 #define SSL3_TXT_KRB5_RC2_40_CBC_SHA 		"EXP-KRB5-RC2-CBC-SHA"
226 #define SSL3_TXT_KRB5_RC4_40_SHA	 	"EXP-KRB5-RC4-SHA"
227 #define SSL3_TXT_KRB5_DES_40_CBC_MD5 		"EXP-KRB5-DES-CBC-MD5"
228 #define SSL3_TXT_KRB5_RC2_40_CBC_MD5 		"EXP-KRB5-RC2-CBC-MD5"
229 #define SSL3_TXT_KRB5_RC4_40_MD5	 	"EXP-KRB5-RC4-MD5"
230 
231 #define SSL3_SSL_SESSION_ID_LENGTH		32
232 #define SSL3_MAX_SSL_SESSION_ID_LENGTH		32
233 
234 #define SSL3_MASTER_SECRET_SIZE			48
235 #define SSL3_RANDOM_SIZE			32
236 #define SSL3_SEQUENCE_SIZE			8
237 #define SSL3_SESSION_ID_SIZE			32
238 #define SSL3_CIPHER_VALUE_SIZE			2
239 
240 #define SSL3_RT_HEADER_LENGTH			5
241 #define SSL3_HM_HEADER_LENGTH			4
242 
243 #define SSL3_ALIGN_PAYLOAD			8
244 
245 /* This is the maximum MAC (digest) size used by the SSL library.
246  * Currently maximum of 20 is used by SHA1, but we reserve for
247  * future extension for 512-bit hashes.
248  */
249 
250 #define SSL3_RT_MAX_MD_SIZE			64
251 
252 /* Maximum block size used in all ciphersuites. Currently 16 for AES.
253  */
254 
255 #define	SSL_RT_MAX_CIPHER_BLOCK_SIZE		16
256 
257 #define SSL3_RT_MAX_EXTRA			(16384)
258 
259 /* Maximum plaintext length: defined by SSL/TLS standards */
260 #define SSL3_RT_MAX_PLAIN_LENGTH		16384
261 /* Maximum compression overhead: defined by SSL/TLS standards */
262 #define SSL3_RT_MAX_COMPRESSED_OVERHEAD		1024
263 
264 /* The standards give a maximum encryption overhead of 1024 bytes.
265  * In practice the value is lower than this. The overhead is the maximum
266  * number of padding bytes (256) plus the mac size.
267  */
268 #define SSL3_RT_MAX_ENCRYPTED_OVERHEAD	(256 + SSL3_RT_MAX_MD_SIZE)
269 
270 /* OpenSSL currently only uses a padding length of at most one block so
271  * the send overhead is smaller.
272  */
273 
274 #define SSL3_RT_SEND_MAX_ENCRYPTED_OVERHEAD \
275 			(SSL_RT_MAX_CIPHER_BLOCK_SIZE + SSL3_RT_MAX_MD_SIZE)
276 
277 /* If compression isn't used don't include the compression overhead */
278 #define SSL3_RT_MAX_COMPRESSED_LENGTH		SSL3_RT_MAX_PLAIN_LENGTH
279 #define SSL3_RT_MAX_ENCRYPTED_LENGTH	\
280 		(SSL3_RT_MAX_ENCRYPTED_OVERHEAD+SSL3_RT_MAX_COMPRESSED_LENGTH)
281 #define SSL3_RT_MAX_PACKET_SIZE		\
282 		(SSL3_RT_MAX_ENCRYPTED_LENGTH+SSL3_RT_HEADER_LENGTH)
283 
284 #define SSL3_MD_CLIENT_FINISHED_CONST	"\x43\x4C\x4E\x54"
285 #define SSL3_MD_SERVER_FINISHED_CONST	"\x53\x52\x56\x52"
286 
287 #define SSL3_VERSION			0x0300
288 #define SSL3_VERSION_MAJOR		0x03
289 #define SSL3_VERSION_MINOR		0x00
290 
291 #define SSL3_RT_CHANGE_CIPHER_SPEC	20
292 #define SSL3_RT_ALERT			21
293 #define SSL3_RT_HANDSHAKE		22
294 #define SSL3_RT_APPLICATION_DATA	23
295 
296 #define SSL3_AL_WARNING			1
297 #define SSL3_AL_FATAL			2
298 
299 #ifndef LIBRESSL_INTERNAL
300 #define SSL3_AD_CLOSE_NOTIFY		 0
301 #define SSL3_AD_UNEXPECTED_MESSAGE	10	/* fatal */
302 #define SSL3_AD_BAD_RECORD_MAC		20	/* fatal */
303 #define SSL3_AD_DECOMPRESSION_FAILURE	30	/* fatal */
304 #define SSL3_AD_HANDSHAKE_FAILURE	40	/* fatal */
305 #define SSL3_AD_NO_CERTIFICATE		41
306 #define SSL3_AD_BAD_CERTIFICATE		42
307 #define SSL3_AD_UNSUPPORTED_CERTIFICATE	43
308 #define SSL3_AD_CERTIFICATE_REVOKED	44
309 #define SSL3_AD_CERTIFICATE_EXPIRED	45
310 #define SSL3_AD_CERTIFICATE_UNKNOWN	46
311 #define SSL3_AD_ILLEGAL_PARAMETER	47	/* fatal */
312 #endif
313 
314 #define TLS1_HB_REQUEST		1
315 #define TLS1_HB_RESPONSE	2
316 
317 #define SSL3_CT_RSA_SIGN			1
318 #define SSL3_CT_DSS_SIGN			2
319 #define SSL3_CT_RSA_FIXED_DH			3
320 #define SSL3_CT_DSS_FIXED_DH			4
321 #define SSL3_CT_RSA_EPHEMERAL_DH		5
322 #define SSL3_CT_DSS_EPHEMERAL_DH		6
323 #define SSL3_CT_FORTEZZA_DMS			20
324 /* SSL3_CT_NUMBER is used to size arrays and it must be large
325  * enough to contain all of the cert types defined either for
326  * SSLv3 and TLSv1.
327  */
328 #define SSL3_CT_NUMBER			13
329 
330 #define SSL3_FLAGS_NO_RENEGOTIATE_CIPHERS	0x0001
331 #define TLS1_FLAGS_SKIP_CERT_VERIFY		0x0010
332 #define TLS1_FLAGS_FREEZE_TRANSCRIPT		0x0020
333 #define SSL3_FLAGS_CCS_OK			0x0080
334 
335 /* SSLv3 */
336 /*client */
337 /* extra state */
338 #define SSL3_ST_CW_FLUSH			(0x100|SSL_ST_CONNECT)
339 /* write to server */
340 #define SSL3_ST_CW_CLNT_HELLO_A			(0x110|SSL_ST_CONNECT)
341 #define SSL3_ST_CW_CLNT_HELLO_B			(0x111|SSL_ST_CONNECT)
342 /* read from server */
343 #define SSL3_ST_CR_SRVR_HELLO_A			(0x120|SSL_ST_CONNECT)
344 #define SSL3_ST_CR_SRVR_HELLO_B			(0x121|SSL_ST_CONNECT)
345 #define DTLS1_ST_CR_HELLO_VERIFY_REQUEST_A	(0x126|SSL_ST_CONNECT)
346 #define DTLS1_ST_CR_HELLO_VERIFY_REQUEST_B	(0x127|SSL_ST_CONNECT)
347 #define SSL3_ST_CR_CERT_A			(0x130|SSL_ST_CONNECT)
348 #define SSL3_ST_CR_CERT_B			(0x131|SSL_ST_CONNECT)
349 #define SSL3_ST_CR_KEY_EXCH_A			(0x140|SSL_ST_CONNECT)
350 #define SSL3_ST_CR_KEY_EXCH_B			(0x141|SSL_ST_CONNECT)
351 #define SSL3_ST_CR_CERT_REQ_A			(0x150|SSL_ST_CONNECT)
352 #define SSL3_ST_CR_CERT_REQ_B			(0x151|SSL_ST_CONNECT)
353 #define SSL3_ST_CR_SRVR_DONE_A			(0x160|SSL_ST_CONNECT)
354 #define SSL3_ST_CR_SRVR_DONE_B			(0x161|SSL_ST_CONNECT)
355 /* write to server */
356 #define SSL3_ST_CW_CERT_A			(0x170|SSL_ST_CONNECT)
357 #define SSL3_ST_CW_CERT_B			(0x171|SSL_ST_CONNECT)
358 #define SSL3_ST_CW_CERT_C			(0x172|SSL_ST_CONNECT)
359 #define SSL3_ST_CW_CERT_D			(0x173|SSL_ST_CONNECT)
360 #define SSL3_ST_CW_KEY_EXCH_A			(0x180|SSL_ST_CONNECT)
361 #define SSL3_ST_CW_KEY_EXCH_B			(0x181|SSL_ST_CONNECT)
362 #define SSL3_ST_CW_CERT_VRFY_A			(0x190|SSL_ST_CONNECT)
363 #define SSL3_ST_CW_CERT_VRFY_B			(0x191|SSL_ST_CONNECT)
364 #define SSL3_ST_CW_CHANGE_A			(0x1A0|SSL_ST_CONNECT)
365 #define SSL3_ST_CW_CHANGE_B			(0x1A1|SSL_ST_CONNECT)
366 #define SSL3_ST_CW_FINISHED_A			(0x1B0|SSL_ST_CONNECT)
367 #define SSL3_ST_CW_FINISHED_B			(0x1B1|SSL_ST_CONNECT)
368 /* read from server */
369 #define SSL3_ST_CR_CHANGE_A			(0x1C0|SSL_ST_CONNECT)
370 #define SSL3_ST_CR_CHANGE_B			(0x1C1|SSL_ST_CONNECT)
371 #define SSL3_ST_CR_FINISHED_A			(0x1D0|SSL_ST_CONNECT)
372 #define SSL3_ST_CR_FINISHED_B			(0x1D1|SSL_ST_CONNECT)
373 #define SSL3_ST_CR_SESSION_TICKET_A		(0x1E0|SSL_ST_CONNECT)
374 #define SSL3_ST_CR_SESSION_TICKET_B		(0x1E1|SSL_ST_CONNECT)
375 #define SSL3_ST_CR_CERT_STATUS_A		(0x1F0|SSL_ST_CONNECT)
376 #define SSL3_ST_CR_CERT_STATUS_B		(0x1F1|SSL_ST_CONNECT)
377 
378 /* server */
379 /* extra state */
380 #define SSL3_ST_SW_FLUSH			(0x100|SSL_ST_ACCEPT)
381 /* read from client */
382 /* Do not change the number values, they do matter */
383 #define SSL3_ST_SR_CLNT_HELLO_A			(0x110|SSL_ST_ACCEPT)
384 #define SSL3_ST_SR_CLNT_HELLO_B			(0x111|SSL_ST_ACCEPT)
385 #define SSL3_ST_SR_CLNT_HELLO_C			(0x112|SSL_ST_ACCEPT)
386 /* write to client */
387 #define DTLS1_ST_SW_HELLO_VERIFY_REQUEST_A	(0x113|SSL_ST_ACCEPT)
388 #define DTLS1_ST_SW_HELLO_VERIFY_REQUEST_B	(0x114|SSL_ST_ACCEPT)
389 #define SSL3_ST_SW_HELLO_REQ_A			(0x120|SSL_ST_ACCEPT)
390 #define SSL3_ST_SW_HELLO_REQ_B			(0x121|SSL_ST_ACCEPT)
391 #define SSL3_ST_SW_HELLO_REQ_C			(0x122|SSL_ST_ACCEPT)
392 #define SSL3_ST_SW_SRVR_HELLO_A			(0x130|SSL_ST_ACCEPT)
393 #define SSL3_ST_SW_SRVR_HELLO_B			(0x131|SSL_ST_ACCEPT)
394 #define SSL3_ST_SW_CERT_A			(0x140|SSL_ST_ACCEPT)
395 #define SSL3_ST_SW_CERT_B			(0x141|SSL_ST_ACCEPT)
396 #define SSL3_ST_SW_KEY_EXCH_A			(0x150|SSL_ST_ACCEPT)
397 #define SSL3_ST_SW_KEY_EXCH_B			(0x151|SSL_ST_ACCEPT)
398 #define SSL3_ST_SW_CERT_REQ_A			(0x160|SSL_ST_ACCEPT)
399 #define SSL3_ST_SW_CERT_REQ_B			(0x161|SSL_ST_ACCEPT)
400 #define SSL3_ST_SW_SRVR_DONE_A			(0x170|SSL_ST_ACCEPT)
401 #define SSL3_ST_SW_SRVR_DONE_B			(0x171|SSL_ST_ACCEPT)
402 /* read from client */
403 #define SSL3_ST_SR_CERT_A			(0x180|SSL_ST_ACCEPT)
404 #define SSL3_ST_SR_CERT_B			(0x181|SSL_ST_ACCEPT)
405 #define SSL3_ST_SR_KEY_EXCH_A			(0x190|SSL_ST_ACCEPT)
406 #define SSL3_ST_SR_KEY_EXCH_B			(0x191|SSL_ST_ACCEPT)
407 #define SSL3_ST_SR_CERT_VRFY_A			(0x1A0|SSL_ST_ACCEPT)
408 #define SSL3_ST_SR_CERT_VRFY_B			(0x1A1|SSL_ST_ACCEPT)
409 #define SSL3_ST_SR_CHANGE_A			(0x1B0|SSL_ST_ACCEPT)
410 #define SSL3_ST_SR_CHANGE_B			(0x1B1|SSL_ST_ACCEPT)
411 #define SSL3_ST_SR_FINISHED_A			(0x1C0|SSL_ST_ACCEPT)
412 #define SSL3_ST_SR_FINISHED_B			(0x1C1|SSL_ST_ACCEPT)
413 /* write to client */
414 #define SSL3_ST_SW_CHANGE_A			(0x1D0|SSL_ST_ACCEPT)
415 #define SSL3_ST_SW_CHANGE_B			(0x1D1|SSL_ST_ACCEPT)
416 #define SSL3_ST_SW_FINISHED_A			(0x1E0|SSL_ST_ACCEPT)
417 #define SSL3_ST_SW_FINISHED_B			(0x1E1|SSL_ST_ACCEPT)
418 #define SSL3_ST_SW_SESSION_TICKET_A		(0x1F0|SSL_ST_ACCEPT)
419 #define SSL3_ST_SW_SESSION_TICKET_B		(0x1F1|SSL_ST_ACCEPT)
420 #define SSL3_ST_SW_CERT_STATUS_A		(0x200|SSL_ST_ACCEPT)
421 #define SSL3_ST_SW_CERT_STATUS_B		(0x201|SSL_ST_ACCEPT)
422 
423 #define SSL3_MT_HELLO_REQUEST			0
424 #define SSL3_MT_CLIENT_HELLO			1
425 #define SSL3_MT_SERVER_HELLO			2
426 #define	SSL3_MT_NEWSESSION_TICKET		4
427 #define SSL3_MT_CERTIFICATE			11
428 #define SSL3_MT_SERVER_KEY_EXCHANGE		12
429 #define SSL3_MT_CERTIFICATE_REQUEST		13
430 #define SSL3_MT_SERVER_DONE			14
431 #define SSL3_MT_CERTIFICATE_VERIFY		15
432 #define SSL3_MT_CLIENT_KEY_EXCHANGE		16
433 #define SSL3_MT_FINISHED			20
434 #define SSL3_MT_CERTIFICATE_STATUS		22
435 
436 #define DTLS1_MT_HELLO_VERIFY_REQUEST		3
437 
438 #define SSL3_MT_CCS				1
439 
440 #ifndef LIBRESSL_INTERNAL
441 /* These are used when changing over to a new cipher */
442 #define SSL3_CC_READ		0x01
443 #define SSL3_CC_WRITE		0x02
444 #define SSL3_CC_CLIENT		0x10
445 #define SSL3_CC_SERVER		0x20
446 #define SSL3_CHANGE_CIPHER_CLIENT_WRITE		(SSL3_CC_CLIENT|SSL3_CC_WRITE)
447 #define SSL3_CHANGE_CIPHER_SERVER_READ		(SSL3_CC_SERVER|SSL3_CC_READ)
448 #define SSL3_CHANGE_CIPHER_CLIENT_READ		(SSL3_CC_CLIENT|SSL3_CC_READ)
449 #define SSL3_CHANGE_CIPHER_SERVER_WRITE		(SSL3_CC_SERVER|SSL3_CC_WRITE)
450 #endif
451 
452 #ifdef  __cplusplus
453 }
454 #endif
455 #endif
456