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.]
58 /* ====================================================================
59 * Copyright (c) 1998-2002 The OpenSSL Project. All rights reserved.
61 * Redistribution and use in source and binary forms, with or without
62 * modification, are permitted provided that the following conditions
65 * 1. Redistributions of source code must retain the above copyright
66 * notice, this list of conditions and the following disclaimer.
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
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/)"
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.
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.
87 * 6. Redistributions of any form whatsoever must retain the following
89 * "This product includes software developed by the OpenSSL Project
90 * for use in the OpenSSL Toolkit (http://www.openssl.org/)"
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 * ====================================================================
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).
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.
117 #ifndef HEADER_SSL3_H
118 #define HEADER_SSL3_H
120 #ifndef OPENSSL_NO_COMP
121 #include <openssl/comp.h>
123 #include <openssl/buffer.h>
124 #include <openssl/evp.h>
125 #include <openssl/ssl.h>
131 #define SSL3_CK_RSA_NULL_MD5 0x03000001
132 #define SSL3_CK_RSA_NULL_SHA 0x03000002
133 #define SSL3_CK_RSA_RC4_40_MD5 0x03000003
134 #define SSL3_CK_RSA_RC4_128_MD5 0x03000004
135 #define SSL3_CK_RSA_RC4_128_SHA 0x03000005
136 #define SSL3_CK_RSA_RC2_40_MD5 0x03000006
137 #define SSL3_CK_RSA_IDEA_128_SHA 0x03000007
138 #define SSL3_CK_RSA_DES_40_CBC_SHA 0x03000008
139 #define SSL3_CK_RSA_DES_64_CBC_SHA 0x03000009
140 #define SSL3_CK_RSA_DES_192_CBC3_SHA 0x0300000A
142 #define SSL3_CK_DH_DSS_DES_40_CBC_SHA 0x0300000B
143 #define SSL3_CK_DH_DSS_DES_64_CBC_SHA 0x0300000C
144 #define SSL3_CK_DH_DSS_DES_192_CBC3_SHA 0x0300000D
145 #define SSL3_CK_DH_RSA_DES_40_CBC_SHA 0x0300000E
146 #define SSL3_CK_DH_RSA_DES_64_CBC_SHA 0x0300000F
147 #define SSL3_CK_DH_RSA_DES_192_CBC3_SHA 0x03000010
149 #define SSL3_CK_EDH_DSS_DES_40_CBC_SHA 0x03000011
150 #define SSL3_CK_EDH_DSS_DES_64_CBC_SHA 0x03000012
151 #define SSL3_CK_EDH_DSS_DES_192_CBC3_SHA 0x03000013
152 #define SSL3_CK_EDH_RSA_DES_40_CBC_SHA 0x03000014
153 #define SSL3_CK_EDH_RSA_DES_64_CBC_SHA 0x03000015
154 #define SSL3_CK_EDH_RSA_DES_192_CBC3_SHA 0x03000016
156 #define SSL3_CK_ADH_RC4_40_MD5 0x03000017
157 #define SSL3_CK_ADH_RC4_128_MD5 0x03000018
158 #define SSL3_CK_ADH_DES_40_CBC_SHA 0x03000019
159 #define SSL3_CK_ADH_DES_64_CBC_SHA 0x0300001A
160 #define SSL3_CK_ADH_DES_192_CBC_SHA 0x0300001B
162 #define SSL3_CK_FZA_DMS_NULL_SHA 0x0300001C
163 #define SSL3_CK_FZA_DMS_FZA_SHA 0x0300001D
164 #if 0 /* Because it clashes with KRB5, is never used any more, and is safe
165 to remove according to David Hopwood <david.hopwood@zetnet.co.uk>
166 of the ietf-tls list */
167 #define SSL3_CK_FZA_DMS_RC4_SHA 0x0300001E
170 /* VRS Additional Kerberos5 entries
172 #define SSL3_CK_KRB5_DES_64_CBC_SHA 0x0300001E
173 #define SSL3_CK_KRB5_DES_192_CBC3_SHA 0x0300001F
174 #define SSL3_CK_KRB5_RC4_128_SHA 0x03000020
175 #define SSL3_CK_KRB5_IDEA_128_CBC_SHA 0x03000021
176 #define SSL3_CK_KRB5_DES_64_CBC_MD5 0x03000022
177 #define SSL3_CK_KRB5_DES_192_CBC3_MD5 0x03000023
178 #define SSL3_CK_KRB5_RC4_128_MD5 0x03000024
179 #define SSL3_CK_KRB5_IDEA_128_CBC_MD5 0x03000025
181 #define SSL3_CK_KRB5_DES_40_CBC_SHA 0x03000026
182 #define SSL3_CK_KRB5_RC2_40_CBC_SHA 0x03000027
183 #define SSL3_CK_KRB5_RC4_40_SHA 0x03000028
184 #define SSL3_CK_KRB5_DES_40_CBC_MD5 0x03000029
185 #define SSL3_CK_KRB5_RC2_40_CBC_MD5 0x0300002A
186 #define SSL3_CK_KRB5_RC4_40_MD5 0x0300002B
188 #define SSL3_TXT_RSA_NULL_MD5 "NULL-MD5"
189 #define SSL3_TXT_RSA_NULL_SHA "NULL-SHA"
190 #define SSL3_TXT_RSA_RC4_40_MD5 "EXP-RC4-MD5"
191 #define SSL3_TXT_RSA_RC4_128_MD5 "RC4-MD5"
192 #define SSL3_TXT_RSA_RC4_128_SHA "RC4-SHA"
193 #define SSL3_TXT_RSA_RC2_40_MD5 "EXP-RC2-CBC-MD5"
194 #define SSL3_TXT_RSA_IDEA_128_SHA "IDEA-CBC-SHA"
195 #define SSL3_TXT_RSA_DES_40_CBC_SHA "EXP-DES-CBC-SHA"
196 #define SSL3_TXT_RSA_DES_64_CBC_SHA "DES-CBC-SHA"
197 #define SSL3_TXT_RSA_DES_192_CBC3_SHA "DES-CBC3-SHA"
199 #define SSL3_TXT_DH_DSS_DES_40_CBC_SHA "EXP-DH-DSS-DES-CBC-SHA"
200 #define SSL3_TXT_DH_DSS_DES_64_CBC_SHA "DH-DSS-DES-CBC-SHA"
201 #define SSL3_TXT_DH_DSS_DES_192_CBC3_SHA "DH-DSS-DES-CBC3-SHA"
202 #define SSL3_TXT_DH_RSA_DES_40_CBC_SHA "EXP-DH-RSA-DES-CBC-SHA"
203 #define SSL3_TXT_DH_RSA_DES_64_CBC_SHA "DH-RSA-DES-CBC-SHA"
204 #define SSL3_TXT_DH_RSA_DES_192_CBC3_SHA "DH-RSA-DES-CBC3-SHA"
206 #define SSL3_TXT_EDH_DSS_DES_40_CBC_SHA "EXP-EDH-DSS-DES-CBC-SHA"
207 #define SSL3_TXT_EDH_DSS_DES_64_CBC_SHA "EDH-DSS-DES-CBC-SHA"
208 #define SSL3_TXT_EDH_DSS_DES_192_CBC3_SHA "EDH-DSS-DES-CBC3-SHA"
209 #define SSL3_TXT_EDH_RSA_DES_40_CBC_SHA "EXP-EDH-RSA-DES-CBC-SHA"
210 #define SSL3_TXT_EDH_RSA_DES_64_CBC_SHA "EDH-RSA-DES-CBC-SHA"
211 #define SSL3_TXT_EDH_RSA_DES_192_CBC3_SHA "EDH-RSA-DES-CBC3-SHA"
213 #define SSL3_TXT_ADH_RC4_40_MD5 "EXP-ADH-RC4-MD5"
214 #define SSL3_TXT_ADH_RC4_128_MD5 "ADH-RC4-MD5"
215 #define SSL3_TXT_ADH_DES_40_CBC_SHA "EXP-ADH-DES-CBC-SHA"
216 #define SSL3_TXT_ADH_DES_64_CBC_SHA "ADH-DES-CBC-SHA"
217 #define SSL3_TXT_ADH_DES_192_CBC_SHA "ADH-DES-CBC3-SHA"
219 #define SSL3_TXT_FZA_DMS_NULL_SHA "FZA-NULL-SHA"
220 #define SSL3_TXT_FZA_DMS_FZA_SHA "FZA-FZA-CBC-SHA"
221 #define SSL3_TXT_FZA_DMS_RC4_SHA "FZA-RC4-SHA"
223 #define SSL3_TXT_KRB5_DES_64_CBC_SHA "KRB5-DES-CBC-SHA"
224 #define SSL3_TXT_KRB5_DES_192_CBC3_SHA "KRB5-DES-CBC3-SHA"
225 #define SSL3_TXT_KRB5_RC4_128_SHA "KRB5-RC4-SHA"
226 #define SSL3_TXT_KRB5_IDEA_128_CBC_SHA "KRB5-IDEA-CBC-SHA"
227 #define SSL3_TXT_KRB5_DES_64_CBC_MD5 "KRB5-DES-CBC-MD5"
228 #define SSL3_TXT_KRB5_DES_192_CBC3_MD5 "KRB5-DES-CBC3-MD5"
229 #define SSL3_TXT_KRB5_RC4_128_MD5 "KRB5-RC4-MD5"
230 #define SSL3_TXT_KRB5_IDEA_128_CBC_MD5 "KRB5-IDEA-CBC-MD5"
232 #define SSL3_TXT_KRB5_DES_40_CBC_SHA "EXP-KRB5-DES-CBC-SHA"
233 #define SSL3_TXT_KRB5_RC2_40_CBC_SHA "EXP-KRB5-RC2-CBC-SHA"
234 #define SSL3_TXT_KRB5_RC4_40_SHA "EXP-KRB5-RC4-SHA"
235 #define SSL3_TXT_KRB5_DES_40_CBC_MD5 "EXP-KRB5-DES-CBC-MD5"
236 #define SSL3_TXT_KRB5_RC2_40_CBC_MD5 "EXP-KRB5-RC2-CBC-MD5"
237 #define SSL3_TXT_KRB5_RC4_40_MD5 "EXP-KRB5-RC4-MD5"
239 #define SSL3_SSL_SESSION_ID_LENGTH 32
240 #define SSL3_MAX_SSL_SESSION_ID_LENGTH 32
242 #define SSL3_MASTER_SECRET_SIZE 48
243 #define SSL3_RANDOM_SIZE 32
244 #define SSL3_SESSION_ID_SIZE 32
245 #define SSL3_RT_HEADER_LENGTH 5
247 /* This is the maximum MAC (digest) size used by the SSL library.
248 * Currently this is 20 when SHA1 is used. This must be updated if larger
249 * digests are used in future.
252 #define SSL3_RT_MAX_MD_SIZE 20
254 /* Maximum block size used in all ciphersuites. Currently 16 for AES.
257 #define SSL_RT_MAX_CIPHER_BLOCK_SIZE 16
259 #define SSL3_RT_MAX_EXTRA (16384)
261 /* Maximum plaintext length: defined by SSL/TLS standards */
262 #define SSL3_RT_MAX_PLAIN_LENGTH 16384
263 /* Maximum compression overhead: defined by SSL/TLS standards */
264 #define SSL3_RT_MAX_COMPRESSED_OVERHEAD 1024
266 /* The standards give a maximum encryption overhead of 1024 bytes.
267 * In practice the value is lower than this. The overhead is the maximum
268 * number of padding bytes (256) plus the mac size.
270 #define SSL3_RT_MAX_ENCRYPTED_OVERHEAD (256 + SSL3_RT_MAX_MD_SIZE)
272 /* OpenSSL currently only uses a padding length of at most one block so
273 * the send overhead is smaller.
276 #define SSL3_RT_SEND_MAX_ENCRYPTED_OVERHEAD \
277 (SSL_RT_MAX_CIPHER_BLOCK_SIZE + SSL3_RT_MAX_MD_SIZE)
279 /* If compression isn't used don't include the compression overhead */
281 #ifdef OPENSSL_NO_COMP
282 #define SSL3_RT_MAX_COMPRESSED_LENGTH SSL3_RT_MAX_PLAIN_LENGTH
284 #define SSL3_RT_MAX_COMPRESSED_LENGTH \
285 (SSL3_RT_MAX_PLAIN_LENGTH+SSL3_RT_MAX_COMPRESSED_OVERHEAD)
287 #define SSL3_RT_MAX_ENCRYPTED_LENGTH \
288 (SSL3_RT_MAX_ENCRYPTED_OVERHEAD+SSL3_RT_MAX_COMPRESSED_LENGTH)
289 #define SSL3_RT_MAX_PACKET_SIZE \
290 (SSL3_RT_MAX_ENCRYPTED_LENGTH+SSL3_RT_HEADER_LENGTH)
291 #define SSL3_RT_MAX_DATA_SIZE (1024*1024)
293 #define SSL3_MD_CLIENT_FINISHED_CONST "\x43\x4C\x4E\x54"
294 #define SSL3_MD_SERVER_FINISHED_CONST "\x53\x52\x56\x52"
296 #define SSL3_VERSION 0x0300
297 #define SSL3_VERSION_MAJOR 0x03
298 #define SSL3_VERSION_MINOR 0x00
300 #define SSL3_RT_CHANGE_CIPHER_SPEC 20
301 #define SSL3_RT_ALERT 21
302 #define SSL3_RT_HANDSHAKE 22
303 #define SSL3_RT_APPLICATION_DATA 23
305 #define SSL3_AL_WARNING 1
306 #define SSL3_AL_FATAL 2
308 #define SSL3_AD_CLOSE_NOTIFY 0
309 #define SSL3_AD_UNEXPECTED_MESSAGE 10 /* fatal */
310 #define SSL3_AD_BAD_RECORD_MAC 20 /* fatal */
311 #define SSL3_AD_DECOMPRESSION_FAILURE 30 /* fatal */
312 #define SSL3_AD_HANDSHAKE_FAILURE 40 /* fatal */
313 #define SSL3_AD_NO_CERTIFICATE 41
314 #define SSL3_AD_BAD_CERTIFICATE 42
315 #define SSL3_AD_UNSUPPORTED_CERTIFICATE 43
316 #define SSL3_AD_CERTIFICATE_REVOKED 44
317 #define SSL3_AD_CERTIFICATE_EXPIRED 45
318 #define SSL3_AD_CERTIFICATE_UNKNOWN 46
319 #define SSL3_AD_ILLEGAL_PARAMETER 47 /* fatal */
321 typedef struct ssl3_record_st
323 /*r */ int type; /* type of record */
324 /*rw*/ unsigned int length; /* How many bytes available */
325 /*r */ unsigned int off; /* read/write offset into 'buf' */
326 /*rw*/ unsigned char *data; /* pointer to the record data */
327 /*rw*/ unsigned char *input; /* where the decode bytes are */
328 /*r */ unsigned char *comp; /* only used with decompression - malloc()ed */
329 /*r */ unsigned long epoch; /* epoch number, needed by DTLS1 */
330 /*r */ unsigned char seq_num[8]; /* sequence number, needed by DTLS1 */
333 typedef struct ssl3_buffer_st
335 unsigned char *buf; /* at least SSL3_RT_MAX_PACKET_SIZE bytes,
336 * see ssl3_setup_buffers() */
337 size_t len; /* buffer size */
338 int offset; /* where to 'copy from' */
339 int left; /* how many bytes left */
342 #define SSL3_CT_RSA_SIGN 1
343 #define SSL3_CT_DSS_SIGN 2
344 #define SSL3_CT_RSA_FIXED_DH 3
345 #define SSL3_CT_DSS_FIXED_DH 4
346 #define SSL3_CT_RSA_EPHEMERAL_DH 5
347 #define SSL3_CT_DSS_EPHEMERAL_DH 6
348 #define SSL3_CT_FORTEZZA_DMS 20
349 /* SSL3_CT_NUMBER is used to size arrays and it must be large
350 * enough to contain all of the cert types defined either for
353 #define SSL3_CT_NUMBER 7
356 #define SSL3_FLAGS_NO_RENEGOTIATE_CIPHERS 0x0001
357 #define SSL3_FLAGS_DELAY_CLIENT_FINISHED 0x0002
358 #define SSL3_FLAGS_POP_BUFFER 0x0004
359 #define TLS1_FLAGS_TLS_PADDING_BUG 0x0008
361 typedef struct ssl3_state_st
364 int delay_buf_pop_ret;
366 unsigned char read_sequence[8];
367 unsigned char read_mac_secret[EVP_MAX_MD_SIZE];
368 unsigned char write_sequence[8];
369 unsigned char write_mac_secret[EVP_MAX_MD_SIZE];
371 unsigned char server_random[SSL3_RANDOM_SIZE];
372 unsigned char client_random[SSL3_RANDOM_SIZE];
374 /* flags for countermeasure against known-IV weakness */
375 int need_empty_fragments;
376 int empty_fragment_done;
378 /* The value of 'extra' when the buffers were initialized */
381 SSL3_BUFFER rbuf; /* read IO goes into here */
382 SSL3_BUFFER wbuf; /* write IO goes into here */
384 SSL3_RECORD rrec; /* each decoded record goes in here */
385 SSL3_RECORD wrec; /* goes out from here */
387 /* storage for Alert/Handshake protocol data received but not
388 * yet processed by ssl3_read_bytes: */
389 unsigned char alert_fragment[2];
390 unsigned int alert_fragment_len;
391 unsigned char handshake_fragment[4];
392 unsigned int handshake_fragment_len;
394 /* partial write - check the numbers match */
395 unsigned int wnum; /* number of bytes sent so far */
396 int wpend_tot; /* number bytes written */
398 int wpend_ret; /* number of bytes submitted */
399 const unsigned char *wpend_buf;
401 /* used during startup, digest all incoming/outgoing packets */
402 EVP_MD_CTX finish_dgst1;
403 EVP_MD_CTX finish_dgst2;
405 /* this is set whenerver we see a change_cipher_spec message
406 * come in when we are not looking for one */
407 int change_cipher_spec;
411 /* we allow one fatal and one warning alert to be outstanding,
412 * send close alert via the warning alert */
414 unsigned char send_alert[2];
416 /* This flag is set when we should renegotiate ASAP, basically when
417 * there is no more data in the read or write buffers */
419 int total_renegotiations;
420 int num_renegotiations;
422 int in_read_app_data;
425 /* actually only needs to be 16+20 */
426 unsigned char cert_verify_md[EVP_MAX_MD_SIZE*2];
428 /* actually only need to be 16+20 for SSLv3 and 12 for TLS */
429 unsigned char finish_md[EVP_MAX_MD_SIZE*2];
431 unsigned char peer_finish_md[EVP_MAX_MD_SIZE*2];
432 int peer_finish_md_len;
434 unsigned long message_size;
437 /* used to hold the new cipher we are going to use */
438 SSL_CIPHER *new_cipher;
439 #ifndef OPENSSL_NO_DH
443 #ifndef OPENSSL_NO_ECDH
444 EC_KEY *ecdh; /* holds short lived ECDH key */
447 /* used when SSL_ST_FLUSH_DATA is entered */
452 /* used for certificate requests */
455 char ctype[SSL3_CT_NUMBER];
456 STACK_OF(X509_NAME) *ca_names;
460 int key_block_length;
461 unsigned char *key_block;
463 const EVP_CIPHER *new_sym_enc;
464 const EVP_MD *new_hash;
465 #ifndef OPENSSL_NO_COMP
466 const SSL_COMP *new_compression;
468 char *new_compression;
479 #define SSL3_ST_CW_FLUSH (0x100|SSL_ST_CONNECT)
480 /* write to server */
481 #define SSL3_ST_CW_CLNT_HELLO_A (0x110|SSL_ST_CONNECT)
482 #define SSL3_ST_CW_CLNT_HELLO_B (0x111|SSL_ST_CONNECT)
483 /* read from server */
484 #define SSL3_ST_CR_SRVR_HELLO_A (0x120|SSL_ST_CONNECT)
485 #define SSL3_ST_CR_SRVR_HELLO_B (0x121|SSL_ST_CONNECT)
486 #define DTLS1_ST_CR_HELLO_VERIFY_REQUEST_A (0x126|SSL_ST_CONNECT)
487 #define DTLS1_ST_CR_HELLO_VERIFY_REQUEST_B (0x127|SSL_ST_CONNECT)
488 #define SSL3_ST_CR_CERT_A (0x130|SSL_ST_CONNECT)
489 #define SSL3_ST_CR_CERT_B (0x131|SSL_ST_CONNECT)
490 #define SSL3_ST_CR_KEY_EXCH_A (0x140|SSL_ST_CONNECT)
491 #define SSL3_ST_CR_KEY_EXCH_B (0x141|SSL_ST_CONNECT)
492 #define SSL3_ST_CR_CERT_REQ_A (0x150|SSL_ST_CONNECT)
493 #define SSL3_ST_CR_CERT_REQ_B (0x151|SSL_ST_CONNECT)
494 #define SSL3_ST_CR_SRVR_DONE_A (0x160|SSL_ST_CONNECT)
495 #define SSL3_ST_CR_SRVR_DONE_B (0x161|SSL_ST_CONNECT)
496 /* write to server */
497 #define SSL3_ST_CW_CERT_A (0x170|SSL_ST_CONNECT)
498 #define SSL3_ST_CW_CERT_B (0x171|SSL_ST_CONNECT)
499 #define SSL3_ST_CW_CERT_C (0x172|SSL_ST_CONNECT)
500 #define SSL3_ST_CW_CERT_D (0x173|SSL_ST_CONNECT)
501 #define SSL3_ST_CW_KEY_EXCH_A (0x180|SSL_ST_CONNECT)
502 #define SSL3_ST_CW_KEY_EXCH_B (0x181|SSL_ST_CONNECT)
503 #define SSL3_ST_CW_CERT_VRFY_A (0x190|SSL_ST_CONNECT)
504 #define SSL3_ST_CW_CERT_VRFY_B (0x191|SSL_ST_CONNECT)
505 #define SSL3_ST_CW_CHANGE_A (0x1A0|SSL_ST_CONNECT)
506 #define SSL3_ST_CW_CHANGE_B (0x1A1|SSL_ST_CONNECT)
507 #define SSL3_ST_CW_FINISHED_A (0x1B0|SSL_ST_CONNECT)
508 #define SSL3_ST_CW_FINISHED_B (0x1B1|SSL_ST_CONNECT)
509 /* read from server */
510 #define SSL3_ST_CR_CHANGE_A (0x1C0|SSL_ST_CONNECT)
511 #define SSL3_ST_CR_CHANGE_B (0x1C1|SSL_ST_CONNECT)
512 #define SSL3_ST_CR_FINISHED_A (0x1D0|SSL_ST_CONNECT)
513 #define SSL3_ST_CR_FINISHED_B (0x1D1|SSL_ST_CONNECT)
517 #define SSL3_ST_SW_FLUSH (0x100|SSL_ST_ACCEPT)
518 /* read from client */
519 /* Do not change the number values, they do matter */
520 #define SSL3_ST_SR_CLNT_HELLO_A (0x110|SSL_ST_ACCEPT)
521 #define SSL3_ST_SR_CLNT_HELLO_B (0x111|SSL_ST_ACCEPT)
522 #define SSL3_ST_SR_CLNT_HELLO_C (0x112|SSL_ST_ACCEPT)
523 /* write to client */
524 #define DTLS1_ST_SW_HELLO_VERIFY_REQUEST_A (0x113|SSL_ST_ACCEPT)
525 #define DTLS1_ST_SW_HELLO_VERIFY_REQUEST_B (0x114|SSL_ST_ACCEPT)
526 #define SSL3_ST_SW_HELLO_REQ_A (0x120|SSL_ST_ACCEPT)
527 #define SSL3_ST_SW_HELLO_REQ_B (0x121|SSL_ST_ACCEPT)
528 #define SSL3_ST_SW_HELLO_REQ_C (0x122|SSL_ST_ACCEPT)
529 #define SSL3_ST_SW_SRVR_HELLO_A (0x130|SSL_ST_ACCEPT)
530 #define SSL3_ST_SW_SRVR_HELLO_B (0x131|SSL_ST_ACCEPT)
531 #define SSL3_ST_SW_CERT_A (0x140|SSL_ST_ACCEPT)
532 #define SSL3_ST_SW_CERT_B (0x141|SSL_ST_ACCEPT)
533 #define SSL3_ST_SW_KEY_EXCH_A (0x150|SSL_ST_ACCEPT)
534 #define SSL3_ST_SW_KEY_EXCH_B (0x151|SSL_ST_ACCEPT)
535 #define SSL3_ST_SW_CERT_REQ_A (0x160|SSL_ST_ACCEPT)
536 #define SSL3_ST_SW_CERT_REQ_B (0x161|SSL_ST_ACCEPT)
537 #define SSL3_ST_SW_SRVR_DONE_A (0x170|SSL_ST_ACCEPT)
538 #define SSL3_ST_SW_SRVR_DONE_B (0x171|SSL_ST_ACCEPT)
539 /* read from client */
540 #define SSL3_ST_SR_CERT_A (0x180|SSL_ST_ACCEPT)
541 #define SSL3_ST_SR_CERT_B (0x181|SSL_ST_ACCEPT)
542 #define SSL3_ST_SR_KEY_EXCH_A (0x190|SSL_ST_ACCEPT)
543 #define SSL3_ST_SR_KEY_EXCH_B (0x191|SSL_ST_ACCEPT)
544 #define SSL3_ST_SR_CERT_VRFY_A (0x1A0|SSL_ST_ACCEPT)
545 #define SSL3_ST_SR_CERT_VRFY_B (0x1A1|SSL_ST_ACCEPT)
546 #define SSL3_ST_SR_CHANGE_A (0x1B0|SSL_ST_ACCEPT)
547 #define SSL3_ST_SR_CHANGE_B (0x1B1|SSL_ST_ACCEPT)
548 #define SSL3_ST_SR_FINISHED_A (0x1C0|SSL_ST_ACCEPT)
549 #define SSL3_ST_SR_FINISHED_B (0x1C1|SSL_ST_ACCEPT)
550 /* write to client */
551 #define SSL3_ST_SW_CHANGE_A (0x1D0|SSL_ST_ACCEPT)
552 #define SSL3_ST_SW_CHANGE_B (0x1D1|SSL_ST_ACCEPT)
553 #define SSL3_ST_SW_FINISHED_A (0x1E0|SSL_ST_ACCEPT)
554 #define SSL3_ST_SW_FINISHED_B (0x1E1|SSL_ST_ACCEPT)
556 #define SSL3_MT_HELLO_REQUEST 0
557 #define SSL3_MT_CLIENT_HELLO 1
558 #define SSL3_MT_SERVER_HELLO 2
559 #define SSL3_MT_CERTIFICATE 11
560 #define SSL3_MT_SERVER_KEY_EXCHANGE 12
561 #define SSL3_MT_CERTIFICATE_REQUEST 13
562 #define SSL3_MT_SERVER_DONE 14
563 #define SSL3_MT_CERTIFICATE_VERIFY 15
564 #define SSL3_MT_CLIENT_KEY_EXCHANGE 16
565 #define SSL3_MT_FINISHED 20
566 #define DTLS1_MT_HELLO_VERIFY_REQUEST 3
569 #define SSL3_MT_CCS 1
571 /* These are used when changing over to a new cipher */
572 #define SSL3_CC_READ 0x01
573 #define SSL3_CC_WRITE 0x02
574 #define SSL3_CC_CLIENT 0x10
575 #define SSL3_CC_SERVER 0x20
576 #define SSL3_CHANGE_CIPHER_CLIENT_WRITE (SSL3_CC_CLIENT|SSL3_CC_WRITE)
577 #define SSL3_CHANGE_CIPHER_SERVER_READ (SSL3_CC_SERVER|SSL3_CC_READ)
578 #define SSL3_CHANGE_CIPHER_CLIENT_READ (SSL3_CC_CLIENT|SSL3_CC_READ)
579 #define SSL3_CHANGE_CIPHER_SERVER_WRITE (SSL3_CC_SERVER|SSL3_CC_WRITE)