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1/* ssl/ssl3.h */
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#ifndef HEADER_SSL3_H
60#define HEADER_SSL3_H
61
62#include "buffer.h"
63
64#ifdef __cplusplus
65extern "C" {
66#endif
67
68#define SSL3_CK_RSA_NULL_MD5 0x03000001
69#define SSL3_CK_RSA_NULL_SHA 0x03000002
70#define SSL3_CK_RSA_RC4_40_MD5 0x03000003
71#define SSL3_CK_RSA_RC4_128_MD5 0x03000004
72#define SSL3_CK_RSA_RC4_128_SHA 0x03000005
73#define SSL3_CK_RSA_RC2_40_MD5 0x03000006
74#define SSL3_CK_RSA_IDEA_128_SHA 0x03000007
75#define SSL3_CK_RSA_DES_40_CBC_SHA 0x03000008
76#define SSL3_CK_RSA_DES_64_CBC_SHA 0x03000009
77#define SSL3_CK_RSA_DES_192_CBC3_SHA 0x0300000A
78
79#define SSL3_CK_DH_DSS_DES_40_CBC_SHA 0x0300000B
80#define SSL3_CK_DH_DSS_DES_64_CBC_SHA 0x0300000C
81#define SSL3_CK_DH_DSS_DES_192_CBC3_SHA 0x0300000D
82#define SSL3_CK_DH_RSA_DES_40_CBC_SHA 0x0300000E
83#define SSL3_CK_DH_RSA_DES_64_CBC_SHA 0x0300000F
84#define SSL3_CK_DH_RSA_DES_192_CBC3_SHA 0x03000010
85
86#define SSL3_CK_EDH_DSS_DES_40_CBC_SHA 0x03000011
87#define SSL3_CK_EDH_DSS_DES_64_CBC_SHA 0x03000012
88#define SSL3_CK_EDH_DSS_DES_192_CBC3_SHA 0x03000013
89#define SSL3_CK_EDH_RSA_DES_40_CBC_SHA 0x03000014
90#define SSL3_CK_EDH_RSA_DES_64_CBC_SHA 0x03000015
91#define SSL3_CK_EDH_RSA_DES_192_CBC3_SHA 0x03000016
92
93#define SSL3_CK_ADH_RC4_40_MD5 0x03000017
94#define SSL3_CK_ADH_RC4_128_MD5 0x03000018
95#define SSL3_CK_ADH_DES_40_CBC_SHA 0x03000019
96#define SSL3_CK_ADH_DES_64_CBC_SHA 0x0300001A
97#define SSL3_CK_ADH_DES_192_CBC_SHA 0x0300001B
98
99#define SSL3_CK_FZA_DMS_NULL_SHA 0x0300001C
100#define SSL3_CK_FZA_DMS_FZA_SHA 0x0300001D
101#define SSL3_CK_FZA_DMS_RC4_SHA 0x0300001E
102
103#define SSL3_TXT_RSA_NULL_MD5 "NULL-MD5"
104#define SSL3_TXT_RSA_NULL_SHA "NULL-SHA"
105#define SSL3_TXT_RSA_RC4_40_MD5 "EXP-RC4-MD5"
106#define SSL3_TXT_RSA_RC4_128_MD5 "RC4-MD5"
107#define SSL3_TXT_RSA_RC4_128_SHA "RC4-SHA"
108#define SSL3_TXT_RSA_RC2_40_MD5 "EXP-RC2-CBC-MD5"
109#define SSL3_TXT_RSA_IDEA_128_SHA "IDEA-CBC-SHA"
110#define SSL3_TXT_RSA_DES_40_CBC_SHA "EXP-DES-CBC-SHA"
111#define SSL3_TXT_RSA_DES_64_CBC_SHA "DES-CBC-SHA"
112#define SSL3_TXT_RSA_DES_192_CBC3_SHA "DES-CBC3-SHA"
113
114#define SSL3_TXT_DH_DSS_DES_40_CBC_SHA "EXP-DH-DSS-DES-CBC-SHA"
115#define SSL3_TXT_DH_DSS_DES_64_CBC_SHA "DH-DSS-DES-CBC-SHA"
116#define SSL3_TXT_DH_DSS_DES_192_CBC3_SHA "DH-DSS-DES-CBC3-SHA"
117#define SSL3_TXT_DH_RSA_DES_40_CBC_SHA "EXP-DH-RSA-DES-CBC-SHA"
118#define SSL3_TXT_DH_RSA_DES_64_CBC_SHA "DH-RSA-DES-CBC-SHA"
119#define SSL3_TXT_DH_RSA_DES_192_CBC3_SHA "DH-RSA-DES-CBC3-SHA"
120
121#define SSL3_TXT_EDH_DSS_DES_40_CBC_SHA "EXP-EDH-DSS-DES-CBC-SHA"
122#define SSL3_TXT_EDH_DSS_DES_64_CBC_SHA "EDH-DSS-DES-CBC-SHA"
123#define SSL3_TXT_EDH_DSS_DES_192_CBC3_SHA "EDH-DSS-DES-CBC3-SHA"
124#define SSL3_TXT_EDH_RSA_DES_40_CBC_SHA "EXP-EDH-RSA-DES-CBC-SHA"
125#define SSL3_TXT_EDH_RSA_DES_64_CBC_SHA "EDH-RSA-DES-CBC-SHA"
126#define SSL3_TXT_EDH_RSA_DES_192_CBC3_SHA "EDH-RSA-DES-CBC3-SHA"
127
128#define SSL3_TXT_ADH_RC4_40_MD5 "EXP-ADH-RC4-MD5"
129#define SSL3_TXT_ADH_RC4_128_MD5 "ADH-RC4-MD5"
130#define SSL3_TXT_ADH_DES_40_CBC_SHA "EXP-ADH-DES-CBC-SHA"
131#define SSL3_TXT_ADH_DES_64_CBC_SHA "ADH-DES-CBC-SHA"
132#define SSL3_TXT_ADH_DES_192_CBC_SHA "ADH-DES-CBC3-SHA"
133
134#define SSL3_TXT_FZA_DMS_NULL_SHA "FZA-NULL-SHA"
135#define SSL3_TXT_FZA_DMS_FZA_SHA "FZA-FZA-CBC-SHA"
136#define SSL3_TXT_FZA_DMS_RC4_SHA "FZA-RC4-SHA"
137
138#define SSL3_SSL_SESSION_ID_LENGTH 32
139#define SSL3_MAX_SSL_SESSION_ID_LENGTH 32
140
141#define SSL3_MASTER_SECRET_SIZE 48
142#define SSL3_RANDOM_SIZE 32
143#define SSL3_SESSION_ID_SIZE 32
144#define SSL3_RT_HEADER_LENGTH 5
145
146/* Due to MS stuffing up, this can change.... */
147#if defined(WIN16) || (defined(MSDOS) && !defined(WIN32))
148#define SSL3_RT_MAX_EXTRA (14000)
149#else
150#define SSL3_RT_MAX_EXTRA (16384)
151#endif
152
153#define SSL3_RT_MAX_PLAIN_LENGTH 16384
154#define SSL3_RT_MAX_COMPRESSED_LENGTH (1024+SSL3_RT_MAX_PLAIN_LENGTH)
155#define SSL3_RT_MAX_ENCRYPTED_LENGTH (1024+SSL3_RT_MAX_COMPRESSED_LENGTH)
156#define SSL3_RT_MAX_PACKET_SIZE (SSL3_RT_MAX_ENCRYPTED_LENGTH+SSL3_RT_HEADER_LENGTH)
157#define SSL3_RT_MAX_DATA_SIZE (1024*1024)
158
159/* the states that a SSL3_RECORD can be in
160 * For SSL_read it goes
161 * rbuf->ENCODED -> read
162 * ENCODED -> we need to decode everything - call decode_record
163 */
164
165#define SSL3_RS_BLANK 1
166#define SSL3_RS_DATA
167
168#define SSL3_RS_ENCODED 2
169#define SSL3_RS_READ_MORE 3
170#define SSL3_RS_WRITE_MORE
171#define SSL3_RS_PLAIN 3
172#define SSL3_RS_PART_READ 4
173#define SSL3_RS_PART_WRITE 5
174
175#define SSL3_MD_CLIENT_FINISHED_CONST {0x43,0x4C,0x4E,0x54}
176#define SSL3_MD_SERVER_FINISHED_CONST {0x53,0x52,0x56,0x52}
177
178#define SSL3_VERSION 0x0300
179#define SSL3_VERSION_MAJOR 0x03
180#define SSL3_VERSION_MINOR 0x00
181
182#define SSL3_RT_CHANGE_CIPHER_SPEC 20
183#define SSL3_RT_ALERT 21
184#define SSL3_RT_HANDSHAKE 22
185#define SSL3_RT_APPLICATION_DATA 23
186
187#define SSL3_AL_WARNING 1
188#define SSL3_AL_FATAL 2
189
190#define SSL3_AD_CLOSE_NOTIFY 0
191#define SSL3_AD_UNEXPECTED_MESSAGE 10 /* fatal */
192#define SSL3_AD_BAD_RECORD_MAC 20 /* fatal */
193#define SSL3_AD_DECOMPRESSION_FAILURE 30 /* fatal */
194#define SSL3_AD_HANDSHAKE_FAILURE 40 /* fatal */
195#define SSL3_AD_NO_CERTIFICATE 41
196#define SSL3_AD_BAD_CERTIFICATE 42
197#define SSL3_AD_UNSUPPORTED_CERTIFICATE 43
198#define SSL3_AD_CERTIFICATE_REVOKED 44
199#define SSL3_AD_CERTIFICATE_EXPIRED 45
200#define SSL3_AD_CERTIFICATE_UNKNOWN 46
201#define SSL3_AD_ILLEGAL_PARAMETER 47 /* fatal */
202
203typedef struct ssl3_record_st
204 {
205/*r */ int type; /* type of record */
206/* */ /*int state;*/ /* any data in it? */
207/*rw*/ unsigned int length; /* How many bytes available */
208/*r */ unsigned int off; /* read/write offset into 'buf' */
209/*rw*/ unsigned char *data; /* pointer to the record data */
210/*rw*/ unsigned char *input; /* where the decode bytes are */
211/*rw*/ unsigned char *comp; /* only used with decompression */
212 } SSL3_RECORD;
213
214typedef struct ssl3_buffer_st
215 {
216/*r */ int total; /* used in non-blocking writes */
217/*r */ int wanted; /* how many more bytes we need */
218/*rw*/ int left; /* how many bytes left */
219/*rw*/ int offset; /* where to 'copy from' */
220/*rw*/ unsigned char *buf; /* SSL3_RT_MAX_PACKET_SIZE bytes */
221 } SSL3_BUFFER;
222
223typedef struct ssl3_compression_st {
224 int nothing;
225 } SSL3_COMPRESSION;
226
227#define SSL3_CT_RSA_SIGN 1
228#define SSL3_CT_DSS_SIGN 2
229#define SSL3_CT_RSA_FIXED_DH 3
230#define SSL3_CT_DSS_FIXED_DH 4
231#define SSL3_CT_RSA_EPHEMERAL_DH 5
232#define SSL3_CT_DSS_EPHEMERAL_DH 6
233#define SSL3_CT_FORTEZZA_DMS 20
234#define SSL3_CT_NUMBER 7
235
236#define SSL3_FLAGS_NO_RENEGOTIATE_CIPHERS 0x0001
237#define SSL3_FLAGS_DELAY_CLIENT_FINISHED 0x0002
238#define SSL3_FLAGS_POP_BUFFER 0x0004
239#define TLS1_FLAGS_TLS_PADDING_BUG 0x0008
240
241#if 0
242#define AD_CLOSE_NOTIFY 0
243#define AD_UNEXPECTED_MESSAGE 1
244#define AD_BAD_RECORD_MAC 2
245#define AD_DECRYPTION_FAILED 3
246#define AD_RECORD_OVERFLOW 4
247#define AD_DECOMPRESSION_FAILURE 5 /* fatal */
248#define AD_HANDSHAKE_FAILURE 6 /* fatal */
249#define AD_NO_CERTIFICATE 7 /* Not under TLS */
250#define AD_BAD_CERTIFICATE 8
251#define AD_UNSUPPORTED_CERTIFICATE 9
252#define AD_CERTIFICATE_REVOKED 10
253#define AD_CERTIFICATE_EXPIRED 11
254#define AD_CERTIFICATE_UNKNOWN 12
255#define AD_ILLEGAL_PARAMETER 13 /* fatal */
256#define AD_UNKNOWN_CA 14 /* fatal */
257#define AD_ACCESS_DENIED 15 /* fatal */
258#define AD_DECODE_ERROR 16 /* fatal */
259#define AD_DECRYPT_ERROR 17
260#define AD_EXPORT_RESTRICION 18 /* fatal */
261#define AD_PROTOCOL_VERSION 19 /* fatal */
262#define AD_INSUFFICIENT_SECURITY 20 /* fatal */
263#define AD_INTERNAL_ERROR 21 /* fatal */
264#define AD_USER_CANCLED 22
265#define AD_NO_RENEGOTIATION 23
266#endif
267
268typedef struct ssl3_ctx_st
269 {
270 long flags;
271 int delay_buf_pop_ret;
272
273 unsigned char read_sequence[8];
274 unsigned char read_mac_secret[EVP_MAX_MD_SIZE];
275 unsigned char write_sequence[8];
276 unsigned char write_mac_secret[EVP_MAX_MD_SIZE];
277
278 unsigned char server_random[SSL3_RANDOM_SIZE];
279 unsigned char client_random[SSL3_RANDOM_SIZE];
280
281 SSL3_BUFFER rbuf; /* read IO goes into here */
282 SSL3_BUFFER wbuf; /* write IO goes into here */
283 SSL3_RECORD rrec; /* each decoded record goes in here */
284 SSL3_RECORD wrec; /* goes out from here */
285 /* Used by ssl3_read_n to point
286 * to input data packet */
287
288 /* partial write - check the numbers match */
289 unsigned int wnum; /* number of bytes sent so far */
290 int wpend_tot; /* number bytes written */
291 int wpend_type;
292 int wpend_ret; /* number of bytes submitted */
293 char *wpend_buf;
294
295 /* used during startup, digest all incoming/outgoing packets */
296 EVP_MD_CTX finish_dgst1;
297 EVP_MD_CTX finish_dgst2;
298
299 /* this is set whenerver we see a change_cipher_spec message
300 * come in when we are not looking for one */
301 int change_cipher_spec;
302
303 int warn_alert;
304 int fatal_alert;
305 /* we alow one fatal and one warning alert to be outstanding,
306 * send close alert via the warning alert */
307 int alert_dispatch;
308 char send_alert[2];
309
310 /* This flag is set when we should renegotiate ASAP, basically when
311 * there is no more data in the read or write buffers */
312 int renegotiate;
313 int total_renegotiations;
314 int num_renegotiations;
315
316 int in_read_app_data;
317
318 struct {
319 /* Actually only needs to be 16+20 for SSLv3 and 12 for TLS */
320 unsigned char finish_md[EVP_MAX_MD_SIZE*2];
321
322 unsigned long message_size;
323 int message_type;
324
325 /* used to hold the new cipher we are going to use */
326 SSL_CIPHER *new_cipher;
327 DH *dh;
328
329 /* used when SSL_ST_FLUSH_DATA is entered */
330 int next_state;
331
332 int reuse_message;
333
334 /* used for certificate requests */
335 int cert_req;
336 int ctype_num;
337 char ctype[SSL3_CT_NUMBER];
338 STACK *ca_names;
339
340 int use_rsa_tmp;
341
342 int key_block_length;
343 unsigned char *key_block;
344
345 EVP_CIPHER *new_sym_enc;
346 EVP_MD *new_hash;
347 SSL_COMPRESSION *new_compression;
348 int cert_request;
349 } tmp;
350 } SSL3_CTX;
351
352/* SSLv3 */
353/*client */
354/* extra state */
355#define SSL3_ST_CW_FLUSH (0x100|SSL_ST_CONNECT)
356/* write to server */
357#define SSL3_ST_CW_CLNT_HELLO_A (0x110|SSL_ST_CONNECT)
358#define SSL3_ST_CW_CLNT_HELLO_B (0x111|SSL_ST_CONNECT)
359/* read from server */
360#define SSL3_ST_CR_SRVR_HELLO_A (0x120|SSL_ST_CONNECT)
361#define SSL3_ST_CR_SRVR_HELLO_B (0x121|SSL_ST_CONNECT)
362#define SSL3_ST_CR_CERT_A (0x130|SSL_ST_CONNECT)
363#define SSL3_ST_CR_CERT_B (0x131|SSL_ST_CONNECT)
364#define SSL3_ST_CR_KEY_EXCH_A (0x140|SSL_ST_CONNECT)
365#define SSL3_ST_CR_KEY_EXCH_B (0x141|SSL_ST_CONNECT)
366#define SSL3_ST_CR_CERT_REQ_A (0x150|SSL_ST_CONNECT)
367#define SSL3_ST_CR_CERT_REQ_B (0x151|SSL_ST_CONNECT)
368#define SSL3_ST_CR_SRVR_DONE_A (0x160|SSL_ST_CONNECT)
369#define SSL3_ST_CR_SRVR_DONE_B (0x161|SSL_ST_CONNECT)
370/* write to server */
371#define SSL3_ST_CW_CERT_A (0x170|SSL_ST_CONNECT)
372#define SSL3_ST_CW_CERT_B (0x171|SSL_ST_CONNECT)
373#define SSL3_ST_CW_CERT_C (0x172|SSL_ST_CONNECT)
374#define SSL3_ST_CW_CERT_D (0x173|SSL_ST_CONNECT)
375#define SSL3_ST_CW_KEY_EXCH_A (0x180|SSL_ST_CONNECT)
376#define SSL3_ST_CW_KEY_EXCH_B (0x181|SSL_ST_CONNECT)
377#define SSL3_ST_CW_CERT_VRFY_A (0x190|SSL_ST_CONNECT)
378#define SSL3_ST_CW_CERT_VRFY_B (0x191|SSL_ST_CONNECT)
379#define SSL3_ST_CW_CHANGE_A (0x1A0|SSL_ST_CONNECT)
380#define SSL3_ST_CW_CHANGE_B (0x1A1|SSL_ST_CONNECT)
381#define SSL3_ST_CW_FINISHED_A (0x1B0|SSL_ST_CONNECT)
382#define SSL3_ST_CW_FINISHED_B (0x1B1|SSL_ST_CONNECT)
383/* read from server */
384#define SSL3_ST_CR_CHANGE_A (0x1C0|SSL_ST_CONNECT)
385#define SSL3_ST_CR_CHANGE_B (0x1C1|SSL_ST_CONNECT)
386#define SSL3_ST_CR_FINISHED_A (0x1D0|SSL_ST_CONNECT)
387#define SSL3_ST_CR_FINISHED_B (0x1D1|SSL_ST_CONNECT)
388
389/* server */
390/* extra state */
391#define SSL3_ST_SW_FLUSH (0x100|SSL_ST_ACCEPT)
392/* read from client */
393/* Do not change the number values, they do matter */
394#define SSL3_ST_SR_CLNT_HELLO_A (0x110|SSL_ST_ACCEPT)
395#define SSL3_ST_SR_CLNT_HELLO_B (0x111|SSL_ST_ACCEPT)
396#define SSL3_ST_SR_CLNT_HELLO_C (0x112|SSL_ST_ACCEPT)
397/* write to client */
398#define SSL3_ST_SW_HELLO_REQ_A (0x120|SSL_ST_ACCEPT)
399#define SSL3_ST_SW_HELLO_REQ_B (0x121|SSL_ST_ACCEPT)
400#define SSL3_ST_SW_HELLO_REQ_C (0x122|SSL_ST_ACCEPT)
401#define SSL3_ST_SW_SRVR_HELLO_A (0x130|SSL_ST_ACCEPT)
402#define SSL3_ST_SW_SRVR_HELLO_B (0x131|SSL_ST_ACCEPT)
403#define SSL3_ST_SW_CERT_A (0x140|SSL_ST_ACCEPT)
404#define SSL3_ST_SW_CERT_B (0x141|SSL_ST_ACCEPT)
405#define SSL3_ST_SW_KEY_EXCH_A (0x150|SSL_ST_ACCEPT)
406#define SSL3_ST_SW_KEY_EXCH_B (0x151|SSL_ST_ACCEPT)
407#define SSL3_ST_SW_CERT_REQ_A (0x160|SSL_ST_ACCEPT)
408#define SSL3_ST_SW_CERT_REQ_B (0x161|SSL_ST_ACCEPT)
409#define SSL3_ST_SW_SRVR_DONE_A (0x170|SSL_ST_ACCEPT)
410#define SSL3_ST_SW_SRVR_DONE_B (0x171|SSL_ST_ACCEPT)
411/* read from client */
412#define SSL3_ST_SR_CERT_A (0x180|SSL_ST_ACCEPT)
413#define SSL3_ST_SR_CERT_B (0x181|SSL_ST_ACCEPT)
414#define SSL3_ST_SR_KEY_EXCH_A (0x190|SSL_ST_ACCEPT)
415#define SSL3_ST_SR_KEY_EXCH_B (0x191|SSL_ST_ACCEPT)
416#define SSL3_ST_SR_CERT_VRFY_A (0x1A0|SSL_ST_ACCEPT)
417#define SSL3_ST_SR_CERT_VRFY_B (0x1A1|SSL_ST_ACCEPT)
418#define SSL3_ST_SR_CHANGE_A (0x1B0|SSL_ST_ACCEPT)
419#define SSL3_ST_SR_CHANGE_B (0x1B1|SSL_ST_ACCEPT)
420#define SSL3_ST_SR_FINISHED_A (0x1C0|SSL_ST_ACCEPT)
421#define SSL3_ST_SR_FINISHED_B (0x1C1|SSL_ST_ACCEPT)
422/* write to client */
423#define SSL3_ST_SW_CHANGE_A (0x1D0|SSL_ST_ACCEPT)
424#define SSL3_ST_SW_CHANGE_B (0x1D1|SSL_ST_ACCEPT)
425#define SSL3_ST_SW_FINISHED_A (0x1E0|SSL_ST_ACCEPT)
426#define SSL3_ST_SW_FINISHED_B (0x1E1|SSL_ST_ACCEPT)
427
428#define SSL3_MT_CLIENT_REQUEST 0
429#define SSL3_MT_CLIENT_HELLO 1
430#define SSL3_MT_SERVER_HELLO 2
431#define SSL3_MT_CERTIFICATE 11
432#define SSL3_MT_SERVER_KEY_EXCHANGE 12
433#define SSL3_MT_CERTIFICATE_REQUEST 13
434#define SSL3_MT_SERVER_DONE 14
435#define SSL3_MT_CERTIFICATE_VERIFY 15
436#define SSL3_MT_CLIENT_KEY_EXCHANGE 16
437#define SSL3_MT_FINISHED 20
438
439#define SSL3_MT_CCS 1
440
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
451#ifdef __cplusplus
452}
453#endif
454#endif
455
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