2 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
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.
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).
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.
23 * Redistribution and use in source and binary forms, with or without
24 * modification, are permitted provided that the following conditions
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)"
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
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.]
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
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
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
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
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
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"
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"
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"
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"
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"
138 #define SSL3_SSL_SESSION_ID_LENGTH 32
139 #define SSL3_MAX_SSL_SESSION_ID_LENGTH 32
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
146 /* Due to MS stuffing up, this can change.... */
147 #if defined(WIN16) || (defined(MSDOS) && !defined(WIN32))
148 #define SSL3_RT_MAX_EXTRA (14000)
150 #define SSL3_RT_MAX_EXTRA (16384)
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)
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
165 #define SSL3_RS_BLANK 1
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
175 #define SSL3_MD_CLIENT_FINISHED_CONST {0x43,0x4C,0x4E,0x54}
176 #define SSL3_MD_SERVER_FINISHED_CONST {0x53,0x52,0x56,0x52}
178 #define SSL3_VERSION 0x0300
179 #define SSL3_VERSION_MAJOR 0x03
180 #define SSL3_VERSION_MINOR 0x00
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
187 #define SSL3_AL_WARNING 1
188 #define SSL3_AL_FATAL 2
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 */
203 typedef struct ssl3_record_st
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 /*r */ unsigned char *comp; /* only used with decompression - malloc()ed */
214 typedef struct ssl3_buffer_st
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 */
223 #define SSL3_CT_RSA_SIGN 1
224 #define SSL3_CT_DSS_SIGN 2
225 #define SSL3_CT_RSA_FIXED_DH 3
226 #define SSL3_CT_DSS_FIXED_DH 4
227 #define SSL3_CT_RSA_EPHEMERAL_DH 5
228 #define SSL3_CT_DSS_EPHEMERAL_DH 6
229 #define SSL3_CT_FORTEZZA_DMS 20
230 #define SSL3_CT_NUMBER 7
232 #define SSL3_FLAGS_NO_RENEGOTIATE_CIPHERS 0x0001
233 #define SSL3_FLAGS_DELAY_CLIENT_FINISHED 0x0002
234 #define SSL3_FLAGS_POP_BUFFER 0x0004
235 #define TLS1_FLAGS_TLS_PADDING_BUG 0x0008
238 #define AD_CLOSE_NOTIFY 0
239 #define AD_UNEXPECTED_MESSAGE 1
240 #define AD_BAD_RECORD_MAC 2
241 #define AD_DECRYPTION_FAILED 3
242 #define AD_RECORD_OVERFLOW 4
243 #define AD_DECOMPRESSION_FAILURE 5 /* fatal */
244 #define AD_HANDSHAKE_FAILURE 6 /* fatal */
245 #define AD_NO_CERTIFICATE 7 /* Not under TLS */
246 #define AD_BAD_CERTIFICATE 8
247 #define AD_UNSUPPORTED_CERTIFICATE 9
248 #define AD_CERTIFICATE_REVOKED 10
249 #define AD_CERTIFICATE_EXPIRED 11
250 #define AD_CERTIFICATE_UNKNOWN 12
251 #define AD_ILLEGAL_PARAMETER 13 /* fatal */
252 #define AD_UNKNOWN_CA 14 /* fatal */
253 #define AD_ACCESS_DENIED 15 /* fatal */
254 #define AD_DECODE_ERROR 16 /* fatal */
255 #define AD_DECRYPT_ERROR 17
256 #define AD_EXPORT_RESTRICION 18 /* fatal */
257 #define AD_PROTOCOL_VERSION 19 /* fatal */
258 #define AD_INSUFFICIENT_SECURITY 20 /* fatal */
259 #define AD_INTERNAL_ERROR 21 /* fatal */
260 #define AD_USER_CANCLED 22
261 #define AD_NO_RENEGOTIATION 23
264 typedef struct ssl3_ctx_st
267 int delay_buf_pop_ret;
269 unsigned char read_sequence[8];
270 unsigned char read_mac_secret[EVP_MAX_MD_SIZE];
271 unsigned char write_sequence[8];
272 unsigned char write_mac_secret[EVP_MAX_MD_SIZE];
274 unsigned char server_random[SSL3_RANDOM_SIZE];
275 unsigned char client_random[SSL3_RANDOM_SIZE];
277 SSL3_BUFFER rbuf; /* read IO goes into here */
278 SSL3_BUFFER wbuf; /* write IO goes into here */
279 SSL3_RECORD rrec; /* each decoded record goes in here */
280 SSL3_RECORD wrec; /* goes out from here */
281 /* Used by ssl3_read_n to point
282 * to input data packet */
284 /* partial write - check the numbers match */
285 unsigned int wnum; /* number of bytes sent so far */
286 int wpend_tot; /* number bytes written */
288 int wpend_ret; /* number of bytes submitted */
291 /* used during startup, digest all incoming/outgoing packets */
292 EVP_MD_CTX finish_dgst1;
293 EVP_MD_CTX finish_dgst2;
295 /* this is set whenerver we see a change_cipher_spec message
296 * come in when we are not looking for one */
297 int change_cipher_spec;
301 /* we alow one fatal and one warning alert to be outstanding,
302 * send close alert via the warning alert */
306 /* This flag is set when we should renegotiate ASAP, basically when
307 * there is no more data in the read or write buffers */
309 int total_renegotiations;
310 int num_renegotiations;
312 int in_read_app_data;
315 /* Actually only needs to be 16+20 for SSLv3 and 12 for TLS */
316 unsigned char finish_md[EVP_MAX_MD_SIZE*2];
318 unsigned long message_size;
321 /* used to hold the new cipher we are going to use */
322 SSL_CIPHER *new_cipher;
325 /* used when SSL_ST_FLUSH_DATA is entered */
330 /* used for certificate requests */
333 char ctype[SSL3_CT_NUMBER];
338 int key_block_length;
339 unsigned char *key_block;
341 EVP_CIPHER *new_sym_enc;
344 SSL_COMP *new_compression;
346 char *new_compression;
356 #define SSL3_ST_CW_FLUSH (0x100|SSL_ST_CONNECT)
357 /* write to server */
358 #define SSL3_ST_CW_CLNT_HELLO_A (0x110|SSL_ST_CONNECT)
359 #define SSL3_ST_CW_CLNT_HELLO_B (0x111|SSL_ST_CONNECT)
360 /* read from server */
361 #define SSL3_ST_CR_SRVR_HELLO_A (0x120|SSL_ST_CONNECT)
362 #define SSL3_ST_CR_SRVR_HELLO_B (0x121|SSL_ST_CONNECT)
363 #define SSL3_ST_CR_CERT_A (0x130|SSL_ST_CONNECT)
364 #define SSL3_ST_CR_CERT_B (0x131|SSL_ST_CONNECT)
365 #define SSL3_ST_CR_KEY_EXCH_A (0x140|SSL_ST_CONNECT)
366 #define SSL3_ST_CR_KEY_EXCH_B (0x141|SSL_ST_CONNECT)
367 #define SSL3_ST_CR_CERT_REQ_A (0x150|SSL_ST_CONNECT)
368 #define SSL3_ST_CR_CERT_REQ_B (0x151|SSL_ST_CONNECT)
369 #define SSL3_ST_CR_SRVR_DONE_A (0x160|SSL_ST_CONNECT)
370 #define SSL3_ST_CR_SRVR_DONE_B (0x161|SSL_ST_CONNECT)
371 /* write to server */
372 #define SSL3_ST_CW_CERT_A (0x170|SSL_ST_CONNECT)
373 #define SSL3_ST_CW_CERT_B (0x171|SSL_ST_CONNECT)
374 #define SSL3_ST_CW_CERT_C (0x172|SSL_ST_CONNECT)
375 #define SSL3_ST_CW_CERT_D (0x173|SSL_ST_CONNECT)
376 #define SSL3_ST_CW_KEY_EXCH_A (0x180|SSL_ST_CONNECT)
377 #define SSL3_ST_CW_KEY_EXCH_B (0x181|SSL_ST_CONNECT)
378 #define SSL3_ST_CW_CERT_VRFY_A (0x190|SSL_ST_CONNECT)
379 #define SSL3_ST_CW_CERT_VRFY_B (0x191|SSL_ST_CONNECT)
380 #define SSL3_ST_CW_CHANGE_A (0x1A0|SSL_ST_CONNECT)
381 #define SSL3_ST_CW_CHANGE_B (0x1A1|SSL_ST_CONNECT)
382 #define SSL3_ST_CW_FINISHED_A (0x1B0|SSL_ST_CONNECT)
383 #define SSL3_ST_CW_FINISHED_B (0x1B1|SSL_ST_CONNECT)
384 /* read from server */
385 #define SSL3_ST_CR_CHANGE_A (0x1C0|SSL_ST_CONNECT)
386 #define SSL3_ST_CR_CHANGE_B (0x1C1|SSL_ST_CONNECT)
387 #define SSL3_ST_CR_FINISHED_A (0x1D0|SSL_ST_CONNECT)
388 #define SSL3_ST_CR_FINISHED_B (0x1D1|SSL_ST_CONNECT)
392 #define SSL3_ST_SW_FLUSH (0x100|SSL_ST_ACCEPT)
393 /* read from client */
394 /* Do not change the number values, they do matter */
395 #define SSL3_ST_SR_CLNT_HELLO_A (0x110|SSL_ST_ACCEPT)
396 #define SSL3_ST_SR_CLNT_HELLO_B (0x111|SSL_ST_ACCEPT)
397 #define SSL3_ST_SR_CLNT_HELLO_C (0x112|SSL_ST_ACCEPT)
398 /* write to client */
399 #define SSL3_ST_SW_HELLO_REQ_A (0x120|SSL_ST_ACCEPT)
400 #define SSL3_ST_SW_HELLO_REQ_B (0x121|SSL_ST_ACCEPT)
401 #define SSL3_ST_SW_HELLO_REQ_C (0x122|SSL_ST_ACCEPT)
402 #define SSL3_ST_SW_SRVR_HELLO_A (0x130|SSL_ST_ACCEPT)
403 #define SSL3_ST_SW_SRVR_HELLO_B (0x131|SSL_ST_ACCEPT)
404 #define SSL3_ST_SW_CERT_A (0x140|SSL_ST_ACCEPT)
405 #define SSL3_ST_SW_CERT_B (0x141|SSL_ST_ACCEPT)
406 #define SSL3_ST_SW_KEY_EXCH_A (0x150|SSL_ST_ACCEPT)
407 #define SSL3_ST_SW_KEY_EXCH_B (0x151|SSL_ST_ACCEPT)
408 #define SSL3_ST_SW_CERT_REQ_A (0x160|SSL_ST_ACCEPT)
409 #define SSL3_ST_SW_CERT_REQ_B (0x161|SSL_ST_ACCEPT)
410 #define SSL3_ST_SW_SRVR_DONE_A (0x170|SSL_ST_ACCEPT)
411 #define SSL3_ST_SW_SRVR_DONE_B (0x171|SSL_ST_ACCEPT)
412 /* read from client */
413 #define SSL3_ST_SR_CERT_A (0x180|SSL_ST_ACCEPT)
414 #define SSL3_ST_SR_CERT_B (0x181|SSL_ST_ACCEPT)
415 #define SSL3_ST_SR_KEY_EXCH_A (0x190|SSL_ST_ACCEPT)
416 #define SSL3_ST_SR_KEY_EXCH_B (0x191|SSL_ST_ACCEPT)
417 #define SSL3_ST_SR_CERT_VRFY_A (0x1A0|SSL_ST_ACCEPT)
418 #define SSL3_ST_SR_CERT_VRFY_B (0x1A1|SSL_ST_ACCEPT)
419 #define SSL3_ST_SR_CHANGE_A (0x1B0|SSL_ST_ACCEPT)
420 #define SSL3_ST_SR_CHANGE_B (0x1B1|SSL_ST_ACCEPT)
421 #define SSL3_ST_SR_FINISHED_A (0x1C0|SSL_ST_ACCEPT)
422 #define SSL3_ST_SR_FINISHED_B (0x1C1|SSL_ST_ACCEPT)
423 /* write to client */
424 #define SSL3_ST_SW_CHANGE_A (0x1D0|SSL_ST_ACCEPT)
425 #define SSL3_ST_SW_CHANGE_B (0x1D1|SSL_ST_ACCEPT)
426 #define SSL3_ST_SW_FINISHED_A (0x1E0|SSL_ST_ACCEPT)
427 #define SSL3_ST_SW_FINISHED_B (0x1E1|SSL_ST_ACCEPT)
429 #define SSL3_MT_CLIENT_REQUEST 0
430 #define SSL3_MT_CLIENT_HELLO 1
431 #define SSL3_MT_SERVER_HELLO 2
432 #define SSL3_MT_CERTIFICATE 11
433 #define SSL3_MT_SERVER_KEY_EXCHANGE 12
434 #define SSL3_MT_CERTIFICATE_REQUEST 13
435 #define SSL3_MT_SERVER_DONE 14
436 #define SSL3_MT_CERTIFICATE_VERIFY 15
437 #define SSL3_MT_CLIENT_KEY_EXCHANGE 16
438 #define SSL3_MT_FINISHED 20
440 #define SSL3_MT_CCS 1
442 /* These are used when changing over to a new cipher */
443 #define SSL3_CC_READ 0x01
444 #define SSL3_CC_WRITE 0x02
445 #define SSL3_CC_CLIENT 0x10
446 #define SSL3_CC_SERVER 0x20
447 #define SSL3_CHANGE_CIPHER_CLIENT_WRITE (SSL3_CC_CLIENT|SSL3_CC_WRITE)
448 #define SSL3_CHANGE_CIPHER_SERVER_READ (SSL3_CC_SERVER|SSL3_CC_READ)
449 #define SSL3_CHANGE_CIPHER_CLIENT_READ (SSL3_CC_CLIENT|SSL3_CC_READ)
450 #define SSL3_CHANGE_CIPHER_SERVER_WRITE (SSL3_CC_SERVER|SSL3_CC_WRITE)