LTKCPP-- LLRP Toolkit C Plus Plus Library
ssl3.h
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  * 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 # ifndef OPENSSL_NO_COMP
121 # include <openssl/comp.h>
122 # endif
123 # include <openssl/buffer.h>
124 # include <openssl/evp.h>
125 # include <openssl/ssl.h>
126 
127 #ifdef __cplusplus
128 extern "C" {
129 #endif
130 
131 /*
132  * Signalling cipher suite value from RFC 5746
133  * (TLS_EMPTY_RENEGOTIATION_INFO_SCSV)
134  */
135 # define SSL3_CK_SCSV 0x030000FF
136 
137 /*
138  * Signalling cipher suite value from draft-ietf-tls-downgrade-scsv-00
139  * (TLS_FALLBACK_SCSV)
140  */
141 # define SSL3_CK_FALLBACK_SCSV 0x03005600
142 
143 # define SSL3_CK_RSA_NULL_MD5 0x03000001
144 # define SSL3_CK_RSA_NULL_SHA 0x03000002
145 # define SSL3_CK_RSA_RC4_40_MD5 0x03000003
146 # define SSL3_CK_RSA_RC4_128_MD5 0x03000004
147 # define SSL3_CK_RSA_RC4_128_SHA 0x03000005
148 # define SSL3_CK_RSA_RC2_40_MD5 0x03000006
149 # define SSL3_CK_RSA_IDEA_128_SHA 0x03000007
150 # define SSL3_CK_RSA_DES_40_CBC_SHA 0x03000008
151 # define SSL3_CK_RSA_DES_64_CBC_SHA 0x03000009
152 # define SSL3_CK_RSA_DES_192_CBC3_SHA 0x0300000A
153 
154 # define SSL3_CK_DH_DSS_DES_40_CBC_SHA 0x0300000B
155 # define SSL3_CK_DH_DSS_DES_64_CBC_SHA 0x0300000C
156 # define SSL3_CK_DH_DSS_DES_192_CBC3_SHA 0x0300000D
157 # define SSL3_CK_DH_RSA_DES_40_CBC_SHA 0x0300000E
158 # define SSL3_CK_DH_RSA_DES_64_CBC_SHA 0x0300000F
159 # define SSL3_CK_DH_RSA_DES_192_CBC3_SHA 0x03000010
160 
161 # define SSL3_CK_EDH_DSS_DES_40_CBC_SHA 0x03000011
162 # define SSL3_CK_DHE_DSS_DES_40_CBC_SHA SSL3_CK_EDH_DSS_DES_40_CBC_SHA
163 # define SSL3_CK_EDH_DSS_DES_64_CBC_SHA 0x03000012
164 # define SSL3_CK_DHE_DSS_DES_64_CBC_SHA SSL3_CK_EDH_DSS_DES_64_CBC_SHA
165 # define SSL3_CK_EDH_DSS_DES_192_CBC3_SHA 0x03000013
166 # define SSL3_CK_DHE_DSS_DES_192_CBC3_SHA SSL3_CK_EDH_DSS_DES_192_CBC3_SHA
167 # define SSL3_CK_EDH_RSA_DES_40_CBC_SHA 0x03000014
168 # define SSL3_CK_DHE_RSA_DES_40_CBC_SHA SSL3_CK_EDH_RSA_DES_40_CBC_SHA
169 # define SSL3_CK_EDH_RSA_DES_64_CBC_SHA 0x03000015
170 # define SSL3_CK_DHE_RSA_DES_64_CBC_SHA SSL3_CK_EDH_RSA_DES_64_CBC_SHA
171 # define SSL3_CK_EDH_RSA_DES_192_CBC3_SHA 0x03000016
172 # define SSL3_CK_DHE_RSA_DES_192_CBC3_SHA SSL3_CK_EDH_RSA_DES_192_CBC3_SHA
173 
174 # define SSL3_CK_ADH_RC4_40_MD5 0x03000017
175 # define SSL3_CK_ADH_RC4_128_MD5 0x03000018
176 # define SSL3_CK_ADH_DES_40_CBC_SHA 0x03000019
177 # define SSL3_CK_ADH_DES_64_CBC_SHA 0x0300001A
178 # define SSL3_CK_ADH_DES_192_CBC_SHA 0x0300001B
179 
180 # if 0
181 # define SSL3_CK_FZA_DMS_NULL_SHA 0x0300001C
182 # define SSL3_CK_FZA_DMS_FZA_SHA 0x0300001D
183 # if 0 /* Because it clashes with KRB5, is never
184  * used any more, and is safe to remove
185  * according to David Hopwood
186  * <david.hopwood@zetnet.co.uk> of the
187  * ietf-tls list */
188 # define SSL3_CK_FZA_DMS_RC4_SHA 0x0300001E
189 # endif
190 # endif
191 
192 /*
193  * VRS Additional Kerberos5 entries
194  */
195 # define SSL3_CK_KRB5_DES_64_CBC_SHA 0x0300001E
196 # define SSL3_CK_KRB5_DES_192_CBC3_SHA 0x0300001F
197 # define SSL3_CK_KRB5_RC4_128_SHA 0x03000020
198 # define SSL3_CK_KRB5_IDEA_128_CBC_SHA 0x03000021
199 # define SSL3_CK_KRB5_DES_64_CBC_MD5 0x03000022
200 # define SSL3_CK_KRB5_DES_192_CBC3_MD5 0x03000023
201 # define SSL3_CK_KRB5_RC4_128_MD5 0x03000024
202 # define SSL3_CK_KRB5_IDEA_128_CBC_MD5 0x03000025
203 
204 # define SSL3_CK_KRB5_DES_40_CBC_SHA 0x03000026
205 # define SSL3_CK_KRB5_RC2_40_CBC_SHA 0x03000027
206 # define SSL3_CK_KRB5_RC4_40_SHA 0x03000028
207 # define SSL3_CK_KRB5_DES_40_CBC_MD5 0x03000029
208 # define SSL3_CK_KRB5_RC2_40_CBC_MD5 0x0300002A
209 # define SSL3_CK_KRB5_RC4_40_MD5 0x0300002B
210 
211 # define SSL3_TXT_RSA_NULL_MD5 "NULL-MD5"
212 # define SSL3_TXT_RSA_NULL_SHA "NULL-SHA"
213 # define SSL3_TXT_RSA_RC4_40_MD5 "EXP-RC4-MD5"
214 # define SSL3_TXT_RSA_RC4_128_MD5 "RC4-MD5"
215 # define SSL3_TXT_RSA_RC4_128_SHA "RC4-SHA"
216 # define SSL3_TXT_RSA_RC2_40_MD5 "EXP-RC2-CBC-MD5"
217 # define SSL3_TXT_RSA_IDEA_128_SHA "IDEA-CBC-SHA"
218 # define SSL3_TXT_RSA_DES_40_CBC_SHA "EXP-DES-CBC-SHA"
219 # define SSL3_TXT_RSA_DES_64_CBC_SHA "DES-CBC-SHA"
220 # define SSL3_TXT_RSA_DES_192_CBC3_SHA "DES-CBC3-SHA"
221 
222 # define SSL3_TXT_DH_DSS_DES_40_CBC_SHA "EXP-DH-DSS-DES-CBC-SHA"
223 # define SSL3_TXT_DH_DSS_DES_64_CBC_SHA "DH-DSS-DES-CBC-SHA"
224 # define SSL3_TXT_DH_DSS_DES_192_CBC3_SHA "DH-DSS-DES-CBC3-SHA"
225 # define SSL3_TXT_DH_RSA_DES_40_CBC_SHA "EXP-DH-RSA-DES-CBC-SHA"
226 # define SSL3_TXT_DH_RSA_DES_64_CBC_SHA "DH-RSA-DES-CBC-SHA"
227 # define SSL3_TXT_DH_RSA_DES_192_CBC3_SHA "DH-RSA-DES-CBC3-SHA"
228 
229 # define SSL3_TXT_DHE_DSS_DES_40_CBC_SHA "EXP-DHE-DSS-DES-CBC-SHA"
230 # define SSL3_TXT_DHE_DSS_DES_64_CBC_SHA "DHE-DSS-DES-CBC-SHA"
231 # define SSL3_TXT_DHE_DSS_DES_192_CBC3_SHA "DHE-DSS-DES-CBC3-SHA"
232 # define SSL3_TXT_DHE_RSA_DES_40_CBC_SHA "EXP-DHE-RSA-DES-CBC-SHA"
233 # define SSL3_TXT_DHE_RSA_DES_64_CBC_SHA "DHE-RSA-DES-CBC-SHA"
234 # define SSL3_TXT_DHE_RSA_DES_192_CBC3_SHA "DHE-RSA-DES-CBC3-SHA"
235 
236 /*
237  * This next block of six "EDH" labels is for backward compatibility with
238  * older versions of OpenSSL. New code should use the six "DHE" labels above
239  * instead:
240  */
241 # define SSL3_TXT_EDH_DSS_DES_40_CBC_SHA "EXP-EDH-DSS-DES-CBC-SHA"
242 # define SSL3_TXT_EDH_DSS_DES_64_CBC_SHA "EDH-DSS-DES-CBC-SHA"
243 # define SSL3_TXT_EDH_DSS_DES_192_CBC3_SHA "EDH-DSS-DES-CBC3-SHA"
244 # define SSL3_TXT_EDH_RSA_DES_40_CBC_SHA "EXP-EDH-RSA-DES-CBC-SHA"
245 # define SSL3_TXT_EDH_RSA_DES_64_CBC_SHA "EDH-RSA-DES-CBC-SHA"
246 # define SSL3_TXT_EDH_RSA_DES_192_CBC3_SHA "EDH-RSA-DES-CBC3-SHA"
247 
248 # define SSL3_TXT_ADH_RC4_40_MD5 "EXP-ADH-RC4-MD5"
249 # define SSL3_TXT_ADH_RC4_128_MD5 "ADH-RC4-MD5"
250 # define SSL3_TXT_ADH_DES_40_CBC_SHA "EXP-ADH-DES-CBC-SHA"
251 # define SSL3_TXT_ADH_DES_64_CBC_SHA "ADH-DES-CBC-SHA"
252 # define SSL3_TXT_ADH_DES_192_CBC_SHA "ADH-DES-CBC3-SHA"
253 
254 # if 0
255 # define SSL3_TXT_FZA_DMS_NULL_SHA "FZA-NULL-SHA"
256 # define SSL3_TXT_FZA_DMS_FZA_SHA "FZA-FZA-CBC-SHA"
257 # define SSL3_TXT_FZA_DMS_RC4_SHA "FZA-RC4-SHA"
258 # endif
259 
260 # define SSL3_TXT_KRB5_DES_64_CBC_SHA "KRB5-DES-CBC-SHA"
261 # define SSL3_TXT_KRB5_DES_192_CBC3_SHA "KRB5-DES-CBC3-SHA"
262 # define SSL3_TXT_KRB5_RC4_128_SHA "KRB5-RC4-SHA"
263 # define SSL3_TXT_KRB5_IDEA_128_CBC_SHA "KRB5-IDEA-CBC-SHA"
264 # define SSL3_TXT_KRB5_DES_64_CBC_MD5 "KRB5-DES-CBC-MD5"
265 # define SSL3_TXT_KRB5_DES_192_CBC3_MD5 "KRB5-DES-CBC3-MD5"
266 # define SSL3_TXT_KRB5_RC4_128_MD5 "KRB5-RC4-MD5"
267 # define SSL3_TXT_KRB5_IDEA_128_CBC_MD5 "KRB5-IDEA-CBC-MD5"
268 
269 # define SSL3_TXT_KRB5_DES_40_CBC_SHA "EXP-KRB5-DES-CBC-SHA"
270 # define SSL3_TXT_KRB5_RC2_40_CBC_SHA "EXP-KRB5-RC2-CBC-SHA"
271 # define SSL3_TXT_KRB5_RC4_40_SHA "EXP-KRB5-RC4-SHA"
272 # define SSL3_TXT_KRB5_DES_40_CBC_MD5 "EXP-KRB5-DES-CBC-MD5"
273 # define SSL3_TXT_KRB5_RC2_40_CBC_MD5 "EXP-KRB5-RC2-CBC-MD5"
274 # define SSL3_TXT_KRB5_RC4_40_MD5 "EXP-KRB5-RC4-MD5"
275 
276 # define SSL3_SSL_SESSION_ID_LENGTH 32
277 # define SSL3_MAX_SSL_SESSION_ID_LENGTH 32
278 
279 # define SSL3_MASTER_SECRET_SIZE 48
280 # define SSL3_RANDOM_SIZE 32
281 # define SSL3_SESSION_ID_SIZE 32
282 # define SSL3_RT_HEADER_LENGTH 5
283 
284 # define SSL3_HM_HEADER_LENGTH 4
285 
286 # ifndef SSL3_ALIGN_PAYLOAD
287  /*
288  * Some will argue that this increases memory footprint, but it's not
289  * actually true. Point is that malloc has to return at least 64-bit aligned
290  * pointers, meaning that allocating 5 bytes wastes 3 bytes in either case.
291  * Suggested pre-gaping simply moves these wasted bytes from the end of
292  * allocated region to its front, but makes data payload aligned, which
293  * improves performance:-)
294  */
295 # define SSL3_ALIGN_PAYLOAD 8
296 # else
297 # if (SSL3_ALIGN_PAYLOAD&(SSL3_ALIGN_PAYLOAD-1))!=0
298 # error "insane SSL3_ALIGN_PAYLOAD"
299 # undef SSL3_ALIGN_PAYLOAD
300 # endif
301 # endif
302 
303 /*
304  * This is the maximum MAC (digest) size used by the SSL library. Currently
305  * maximum of 20 is used by SHA1, but we reserve for future extension for
306  * 512-bit hashes.
307  */
308 
309 # define SSL3_RT_MAX_MD_SIZE 64
310 
311 /*
312  * Maximum block size used in all ciphersuites. Currently 16 for AES.
313  */
314 
315 # define SSL_RT_MAX_CIPHER_BLOCK_SIZE 16
316 
317 # define SSL3_RT_MAX_EXTRA (16384)
318 
319 /* Maximum plaintext length: defined by SSL/TLS standards */
320 # define SSL3_RT_MAX_PLAIN_LENGTH 16384
321 /* Maximum compression overhead: defined by SSL/TLS standards */
322 # define SSL3_RT_MAX_COMPRESSED_OVERHEAD 1024
323 
324 /*
325  * The standards give a maximum encryption overhead of 1024 bytes. In
326  * practice the value is lower than this. The overhead is the maximum number
327  * of padding bytes (256) plus the mac size.
328  */
329 # define SSL3_RT_MAX_ENCRYPTED_OVERHEAD (256 + SSL3_RT_MAX_MD_SIZE)
330 
331 /*
332  * OpenSSL currently only uses a padding length of at most one block so the
333  * send overhead is smaller.
334  */
335 
336 # define SSL3_RT_SEND_MAX_ENCRYPTED_OVERHEAD \
337  (SSL_RT_MAX_CIPHER_BLOCK_SIZE + SSL3_RT_MAX_MD_SIZE)
338 
339 /* If compression isn't used don't include the compression overhead */
340 
341 # ifdef OPENSSL_NO_COMP
342 # define SSL3_RT_MAX_COMPRESSED_LENGTH SSL3_RT_MAX_PLAIN_LENGTH
343 # else
344 # define SSL3_RT_MAX_COMPRESSED_LENGTH \
345  (SSL3_RT_MAX_PLAIN_LENGTH+SSL3_RT_MAX_COMPRESSED_OVERHEAD)
346 # endif
347 # define SSL3_RT_MAX_ENCRYPTED_LENGTH \
348  (SSL3_RT_MAX_ENCRYPTED_OVERHEAD+SSL3_RT_MAX_COMPRESSED_LENGTH)
349 # define SSL3_RT_MAX_PACKET_SIZE \
350  (SSL3_RT_MAX_ENCRYPTED_LENGTH+SSL3_RT_HEADER_LENGTH)
351 
352 # define SSL3_MD_CLIENT_FINISHED_CONST "\x43\x4C\x4E\x54"
353 # define SSL3_MD_SERVER_FINISHED_CONST "\x53\x52\x56\x52"
354 
355 # define SSL3_VERSION 0x0300
356 # define SSL3_VERSION_MAJOR 0x03
357 # define SSL3_VERSION_MINOR 0x00
358 
359 # define SSL3_RT_CHANGE_CIPHER_SPEC 20
360 # define SSL3_RT_ALERT 21
361 # define SSL3_RT_HANDSHAKE 22
362 # define SSL3_RT_APPLICATION_DATA 23
363 # define TLS1_RT_HEARTBEAT 24
364 
365 /* Pseudo content types to indicate additional parameters */
366 # define TLS1_RT_CRYPTO 0x1000
367 # define TLS1_RT_CRYPTO_PREMASTER (TLS1_RT_CRYPTO | 0x1)
368 # define TLS1_RT_CRYPTO_CLIENT_RANDOM (TLS1_RT_CRYPTO | 0x2)
369 # define TLS1_RT_CRYPTO_SERVER_RANDOM (TLS1_RT_CRYPTO | 0x3)
370 # define TLS1_RT_CRYPTO_MASTER (TLS1_RT_CRYPTO | 0x4)
371 
372 # define TLS1_RT_CRYPTO_READ 0x0000
373 # define TLS1_RT_CRYPTO_WRITE 0x0100
374 # define TLS1_RT_CRYPTO_MAC (TLS1_RT_CRYPTO | 0x5)
375 # define TLS1_RT_CRYPTO_KEY (TLS1_RT_CRYPTO | 0x6)
376 # define TLS1_RT_CRYPTO_IV (TLS1_RT_CRYPTO | 0x7)
377 # define TLS1_RT_CRYPTO_FIXED_IV (TLS1_RT_CRYPTO | 0x8)
378 
379 /* Pseudo content type for SSL/TLS header info */
380 # define SSL3_RT_HEADER 0x100
381 
382 # define SSL3_AL_WARNING 1
383 # define SSL3_AL_FATAL 2
384 
385 # define SSL3_AD_CLOSE_NOTIFY 0
386 # define SSL3_AD_UNEXPECTED_MESSAGE 10/* fatal */
387 # define SSL3_AD_BAD_RECORD_MAC 20/* fatal */
388 # define SSL3_AD_DECOMPRESSION_FAILURE 30/* fatal */
389 # define SSL3_AD_HANDSHAKE_FAILURE 40/* fatal */
390 # define SSL3_AD_NO_CERTIFICATE 41
391 # define SSL3_AD_BAD_CERTIFICATE 42
392 # define SSL3_AD_UNSUPPORTED_CERTIFICATE 43
393 # define SSL3_AD_CERTIFICATE_REVOKED 44
394 # define SSL3_AD_CERTIFICATE_EXPIRED 45
395 # define SSL3_AD_CERTIFICATE_UNKNOWN 46
396 # define SSL3_AD_ILLEGAL_PARAMETER 47/* fatal */
397 
398 # define TLS1_HB_REQUEST 1
399 # define TLS1_HB_RESPONSE 2
400 
401 # ifndef OPENSSL_NO_SSL_INTERN
402 
403 typedef struct ssl3_record_st {
404  /* type of record */
405  /*
406  * r
407  */ int type;
408  /* How many bytes available */
409  /*
410  * rw
411  */ unsigned int length;
412  /* read/write offset into 'buf' */
413  /*
414  * r
415  */ unsigned int off;
416  /* pointer to the record data */
417  /*
418  * rw
419  */ unsigned char *data;
420  /* where the decode bytes are */
421  /*
422  * rw
423  */ unsigned char *input;
424  /* only used with decompression - malloc()ed */
425  /*
426  * r
427  */ unsigned char *comp;
428  /* epoch number, needed by DTLS1 */
429  /*
430  * r
431  */ unsigned long epoch;
432  /* sequence number, needed by DTLS1 */
433  /*
434  * r
435  */ unsigned char seq_num[8];
436 } SSL3_RECORD;
437 
438 typedef struct ssl3_buffer_st {
439  /* at least SSL3_RT_MAX_PACKET_SIZE bytes, see ssl3_setup_buffers() */
440  unsigned char *buf;
441  /* buffer size */
442  size_t len;
443  /* where to 'copy from' */
444  int offset;
445  /* how many bytes left */
446  int left;
447 } SSL3_BUFFER;
448 
449 # endif
450 
451 # define SSL3_CT_RSA_SIGN 1
452 # define SSL3_CT_DSS_SIGN 2
453 # define SSL3_CT_RSA_FIXED_DH 3
454 # define SSL3_CT_DSS_FIXED_DH 4
455 # define SSL3_CT_RSA_EPHEMERAL_DH 5
456 # define SSL3_CT_DSS_EPHEMERAL_DH 6
457 # define SSL3_CT_FORTEZZA_DMS 20
458 /*
459  * SSL3_CT_NUMBER is used to size arrays and it must be large enough to
460  * contain all of the cert types defined either for SSLv3 and TLSv1.
461  */
462 # define SSL3_CT_NUMBER 9
463 
464 # define SSL3_FLAGS_NO_RENEGOTIATE_CIPHERS 0x0001
465 # define SSL3_FLAGS_DELAY_CLIENT_FINISHED 0x0002
466 # define SSL3_FLAGS_POP_BUFFER 0x0004
467 # define TLS1_FLAGS_TLS_PADDING_BUG 0x0008
468 # define TLS1_FLAGS_SKIP_CERT_VERIFY 0x0010
469 # define TLS1_FLAGS_KEEP_HANDSHAKE 0x0020
470 /*
471  * Set when the handshake is ready to process peer's ChangeCipherSpec message.
472  * Cleared after the message has been processed.
473  */
474 # define SSL3_FLAGS_CCS_OK 0x0080
475 
476 /* SSL3_FLAGS_SGC_RESTART_DONE is no longer used */
477 # define SSL3_FLAGS_SGC_RESTART_DONE 0x0040
478 
479 # ifndef OPENSSL_NO_SSL_INTERN
480 
481 typedef struct ssl3_state_st {
482  long flags;
483  int delay_buf_pop_ret;
484  unsigned char read_sequence[8];
485  int read_mac_secret_size;
486  unsigned char read_mac_secret[EVP_MAX_MD_SIZE];
487  unsigned char write_sequence[8];
488  int write_mac_secret_size;
489  unsigned char write_mac_secret[EVP_MAX_MD_SIZE];
490  unsigned char server_random[SSL3_RANDOM_SIZE];
491  unsigned char client_random[SSL3_RANDOM_SIZE];
492  /* flags for countermeasure against known-IV weakness */
493  int need_empty_fragments;
494  int empty_fragment_done;
495  /* The value of 'extra' when the buffers were initialized */
496  int init_extra;
497  SSL3_BUFFER rbuf; /* read IO goes into here */
498  SSL3_BUFFER wbuf; /* write IO goes into here */
499  SSL3_RECORD rrec; /* each decoded record goes in here */
500  SSL3_RECORD wrec; /* goes out from here */
501  /*
502  * storage for Alert/Handshake protocol data received but not yet
503  * processed by ssl3_read_bytes:
504  */
505  unsigned char alert_fragment[2];
506  unsigned int alert_fragment_len;
507  unsigned char handshake_fragment[4];
508  unsigned int handshake_fragment_len;
509  /* partial write - check the numbers match */
510  unsigned int wnum; /* number of bytes sent so far */
511  int wpend_tot; /* number bytes written */
512  int wpend_type;
513  int wpend_ret; /* number of bytes submitted */
514  const unsigned char *wpend_buf;
515  /* used during startup, digest all incoming/outgoing packets */
516  BIO *handshake_buffer;
517  /*
518  * When set of handshake digests is determined, buffer is hashed and
519  * freed and MD_CTX-es for all required digests are stored in this array
520  */
521  EVP_MD_CTX **handshake_dgst;
522  /*
523  * Set whenever an expected ChangeCipherSpec message is processed.
524  * Unset when the peer's Finished message is received.
525  * Unexpected ChangeCipherSpec messages trigger a fatal alert.
526  */
527  int change_cipher_spec;
528  int warn_alert;
529  int fatal_alert;
530  /*
531  * we allow one fatal and one warning alert to be outstanding, send close
532  * alert via the warning alert
533  */
534  int alert_dispatch;
535  unsigned char send_alert[2];
536  /*
537  * This flag is set when we should renegotiate ASAP, basically when there
538  * is no more data in the read or write buffers
539  */
540  int renegotiate;
541  int total_renegotiations;
542  int num_renegotiations;
543  int in_read_app_data;
544  /*
545  * Opaque PRF input as used for the current handshake. These fields are
546  * used only if TLSEXT_TYPE_opaque_prf_input is defined (otherwise, they
547  * are merely present to improve binary compatibility)
548  */
549  void *client_opaque_prf_input;
550  size_t client_opaque_prf_input_len;
551  void *server_opaque_prf_input;
552  size_t server_opaque_prf_input_len;
553  struct {
554  /* actually only needs to be 16+20 */
555  unsigned char cert_verify_md[EVP_MAX_MD_SIZE * 2];
556  /* actually only need to be 16+20 for SSLv3 and 12 for TLS */
557  unsigned char finish_md[EVP_MAX_MD_SIZE * 2];
558  int finish_md_len;
559  unsigned char peer_finish_md[EVP_MAX_MD_SIZE * 2];
560  int peer_finish_md_len;
561  unsigned long message_size;
562  int message_type;
563  /* used to hold the new cipher we are going to use */
564  const SSL_CIPHER *new_cipher;
565 # ifndef OPENSSL_NO_DH
566  DH *dh;
567 # endif
568 # ifndef OPENSSL_NO_ECDH
569  EC_KEY *ecdh; /* holds short lived ECDH key */
570 # endif
571  /* used when SSL_ST_FLUSH_DATA is entered */
572  int next_state;
573  int reuse_message;
574  /* used for certificate requests */
575  int cert_req;
576  int ctype_num;
577  char ctype[SSL3_CT_NUMBER];
578  STACK_OF(X509_NAME) *ca_names;
579  int use_rsa_tmp;
580  int key_block_length;
581  unsigned char *key_block;
582  const EVP_CIPHER *new_sym_enc;
583  const EVP_MD *new_hash;
584  int new_mac_pkey_type;
585  int new_mac_secret_size;
586 # ifndef OPENSSL_NO_COMP
587  const SSL_COMP *new_compression;
588 # else
589  char *new_compression;
590 # endif
591  int cert_request;
592  } tmp;
593 
594  /* Connection binding to prevent renegotiation attacks */
595  unsigned char previous_client_finished[EVP_MAX_MD_SIZE];
596  unsigned char previous_client_finished_len;
597  unsigned char previous_server_finished[EVP_MAX_MD_SIZE];
598  unsigned char previous_server_finished_len;
599  int send_connection_binding; /* TODOEKR */
600 
601 # ifndef OPENSSL_NO_NEXTPROTONEG
602  /*
603  * Set if we saw the Next Protocol Negotiation extension from our peer.
604  */
605  int next_proto_neg_seen;
606 # endif
607 
608 # ifndef OPENSSL_NO_TLSEXT
609 # ifndef OPENSSL_NO_EC
610  /*
611  * This is set to true if we believe that this is a version of Safari
612  * running on OS X 10.6 or newer. We wish to know this because Safari on
613  * 10.8 .. 10.8.3 has broken ECDHE-ECDSA support.
614  */
615  char is_probably_safari;
616 # endif /* !OPENSSL_NO_EC */
617 
618  /*
619  * ALPN information (we are in the process of transitioning from NPN to
620  * ALPN.)
621  */
622 
623  /*
624  * In a server these point to the selected ALPN protocol after the
625  * ClientHello has been processed. In a client these contain the protocol
626  * that the server selected once the ServerHello has been processed.
627  */
628  unsigned char *alpn_selected;
629  unsigned alpn_selected_len;
630 # endif /* OPENSSL_NO_TLSEXT */
631 } SSL3_STATE;
632 
633 # endif
634 
635 /* SSLv3 */
636 /*
637  * client
638  */
639 /* extra state */
640 # define SSL3_ST_CW_FLUSH (0x100|SSL_ST_CONNECT)
641 # ifndef OPENSSL_NO_SCTP
642 # define DTLS1_SCTP_ST_CW_WRITE_SOCK (0x310|SSL_ST_CONNECT)
643 # define DTLS1_SCTP_ST_CR_READ_SOCK (0x320|SSL_ST_CONNECT)
644 # endif
645 /* write to server */
646 # define SSL3_ST_CW_CLNT_HELLO_A (0x110|SSL_ST_CONNECT)
647 # define SSL3_ST_CW_CLNT_HELLO_B (0x111|SSL_ST_CONNECT)
648 /* read from server */
649 # define SSL3_ST_CR_SRVR_HELLO_A (0x120|SSL_ST_CONNECT)
650 # define SSL3_ST_CR_SRVR_HELLO_B (0x121|SSL_ST_CONNECT)
651 # define DTLS1_ST_CR_HELLO_VERIFY_REQUEST_A (0x126|SSL_ST_CONNECT)
652 # define DTLS1_ST_CR_HELLO_VERIFY_REQUEST_B (0x127|SSL_ST_CONNECT)
653 # define SSL3_ST_CR_CERT_A (0x130|SSL_ST_CONNECT)
654 # define SSL3_ST_CR_CERT_B (0x131|SSL_ST_CONNECT)
655 # define SSL3_ST_CR_KEY_EXCH_A (0x140|SSL_ST_CONNECT)
656 # define SSL3_ST_CR_KEY_EXCH_B (0x141|SSL_ST_CONNECT)
657 # define SSL3_ST_CR_CERT_REQ_A (0x150|SSL_ST_CONNECT)
658 # define SSL3_ST_CR_CERT_REQ_B (0x151|SSL_ST_CONNECT)
659 # define SSL3_ST_CR_SRVR_DONE_A (0x160|SSL_ST_CONNECT)
660 # define SSL3_ST_CR_SRVR_DONE_B (0x161|SSL_ST_CONNECT)
661 /* write to server */
662 # define SSL3_ST_CW_CERT_A (0x170|SSL_ST_CONNECT)
663 # define SSL3_ST_CW_CERT_B (0x171|SSL_ST_CONNECT)
664 # define SSL3_ST_CW_CERT_C (0x172|SSL_ST_CONNECT)
665 # define SSL3_ST_CW_CERT_D (0x173|SSL_ST_CONNECT)
666 # define SSL3_ST_CW_KEY_EXCH_A (0x180|SSL_ST_CONNECT)
667 # define SSL3_ST_CW_KEY_EXCH_B (0x181|SSL_ST_CONNECT)
668 # define SSL3_ST_CW_CERT_VRFY_A (0x190|SSL_ST_CONNECT)
669 # define SSL3_ST_CW_CERT_VRFY_B (0x191|SSL_ST_CONNECT)
670 # define SSL3_ST_CW_CHANGE_A (0x1A0|SSL_ST_CONNECT)
671 # define SSL3_ST_CW_CHANGE_B (0x1A1|SSL_ST_CONNECT)
672 # ifndef OPENSSL_NO_NEXTPROTONEG
673 # define SSL3_ST_CW_NEXT_PROTO_A (0x200|SSL_ST_CONNECT)
674 # define SSL3_ST_CW_NEXT_PROTO_B (0x201|SSL_ST_CONNECT)
675 # endif
676 # define SSL3_ST_CW_FINISHED_A (0x1B0|SSL_ST_CONNECT)
677 # define SSL3_ST_CW_FINISHED_B (0x1B1|SSL_ST_CONNECT)
678 /* read from server */
679 # define SSL3_ST_CR_CHANGE_A (0x1C0|SSL_ST_CONNECT)
680 # define SSL3_ST_CR_CHANGE_B (0x1C1|SSL_ST_CONNECT)
681 # define SSL3_ST_CR_FINISHED_A (0x1D0|SSL_ST_CONNECT)
682 # define SSL3_ST_CR_FINISHED_B (0x1D1|SSL_ST_CONNECT)
683 # define SSL3_ST_CR_SESSION_TICKET_A (0x1E0|SSL_ST_CONNECT)
684 # define SSL3_ST_CR_SESSION_TICKET_B (0x1E1|SSL_ST_CONNECT)
685 # define SSL3_ST_CR_CERT_STATUS_A (0x1F0|SSL_ST_CONNECT)
686 # define SSL3_ST_CR_CERT_STATUS_B (0x1F1|SSL_ST_CONNECT)
687 
688 /* server */
689 /* extra state */
690 # define SSL3_ST_SW_FLUSH (0x100|SSL_ST_ACCEPT)
691 # ifndef OPENSSL_NO_SCTP
692 # define DTLS1_SCTP_ST_SW_WRITE_SOCK (0x310|SSL_ST_ACCEPT)
693 # define DTLS1_SCTP_ST_SR_READ_SOCK (0x320|SSL_ST_ACCEPT)
694 # endif
695 /* read from client */
696 /* Do not change the number values, they do matter */
697 # define SSL3_ST_SR_CLNT_HELLO_A (0x110|SSL_ST_ACCEPT)
698 # define SSL3_ST_SR_CLNT_HELLO_B (0x111|SSL_ST_ACCEPT)
699 # define SSL3_ST_SR_CLNT_HELLO_C (0x112|SSL_ST_ACCEPT)
700 # define SSL3_ST_SR_CLNT_HELLO_D (0x115|SSL_ST_ACCEPT)
701 /* write to client */
702 # define DTLS1_ST_SW_HELLO_VERIFY_REQUEST_A (0x113|SSL_ST_ACCEPT)
703 # define DTLS1_ST_SW_HELLO_VERIFY_REQUEST_B (0x114|SSL_ST_ACCEPT)
704 # define SSL3_ST_SW_HELLO_REQ_A (0x120|SSL_ST_ACCEPT)
705 # define SSL3_ST_SW_HELLO_REQ_B (0x121|SSL_ST_ACCEPT)
706 # define SSL3_ST_SW_HELLO_REQ_C (0x122|SSL_ST_ACCEPT)
707 # define SSL3_ST_SW_SRVR_HELLO_A (0x130|SSL_ST_ACCEPT)
708 # define SSL3_ST_SW_SRVR_HELLO_B (0x131|SSL_ST_ACCEPT)
709 # define SSL3_ST_SW_CERT_A (0x140|SSL_ST_ACCEPT)
710 # define SSL3_ST_SW_CERT_B (0x141|SSL_ST_ACCEPT)
711 # define SSL3_ST_SW_KEY_EXCH_A (0x150|SSL_ST_ACCEPT)
712 # define SSL3_ST_SW_KEY_EXCH_B (0x151|SSL_ST_ACCEPT)
713 # define SSL3_ST_SW_CERT_REQ_A (0x160|SSL_ST_ACCEPT)
714 # define SSL3_ST_SW_CERT_REQ_B (0x161|SSL_ST_ACCEPT)
715 # define SSL3_ST_SW_SRVR_DONE_A (0x170|SSL_ST_ACCEPT)
716 # define SSL3_ST_SW_SRVR_DONE_B (0x171|SSL_ST_ACCEPT)
717 /* read from client */
718 # define SSL3_ST_SR_CERT_A (0x180|SSL_ST_ACCEPT)
719 # define SSL3_ST_SR_CERT_B (0x181|SSL_ST_ACCEPT)
720 # define SSL3_ST_SR_KEY_EXCH_A (0x190|SSL_ST_ACCEPT)
721 # define SSL3_ST_SR_KEY_EXCH_B (0x191|SSL_ST_ACCEPT)
722 # define SSL3_ST_SR_CERT_VRFY_A (0x1A0|SSL_ST_ACCEPT)
723 # define SSL3_ST_SR_CERT_VRFY_B (0x1A1|SSL_ST_ACCEPT)
724 # define SSL3_ST_SR_CHANGE_A (0x1B0|SSL_ST_ACCEPT)
725 # define SSL3_ST_SR_CHANGE_B (0x1B1|SSL_ST_ACCEPT)
726 # ifndef OPENSSL_NO_NEXTPROTONEG
727 # define SSL3_ST_SR_NEXT_PROTO_A (0x210|SSL_ST_ACCEPT)
728 # define SSL3_ST_SR_NEXT_PROTO_B (0x211|SSL_ST_ACCEPT)
729 # endif
730 # define SSL3_ST_SR_FINISHED_A (0x1C0|SSL_ST_ACCEPT)
731 # define SSL3_ST_SR_FINISHED_B (0x1C1|SSL_ST_ACCEPT)
732 /* write to client */
733 # define SSL3_ST_SW_CHANGE_A (0x1D0|SSL_ST_ACCEPT)
734 # define SSL3_ST_SW_CHANGE_B (0x1D1|SSL_ST_ACCEPT)
735 # define SSL3_ST_SW_FINISHED_A (0x1E0|SSL_ST_ACCEPT)
736 # define SSL3_ST_SW_FINISHED_B (0x1E1|SSL_ST_ACCEPT)
737 # define SSL3_ST_SW_SESSION_TICKET_A (0x1F0|SSL_ST_ACCEPT)
738 # define SSL3_ST_SW_SESSION_TICKET_B (0x1F1|SSL_ST_ACCEPT)
739 # define SSL3_ST_SW_CERT_STATUS_A (0x200|SSL_ST_ACCEPT)
740 # define SSL3_ST_SW_CERT_STATUS_B (0x201|SSL_ST_ACCEPT)
741 
742 # define SSL3_MT_HELLO_REQUEST 0
743 # define SSL3_MT_CLIENT_HELLO 1
744 # define SSL3_MT_SERVER_HELLO 2
745 # define SSL3_MT_NEWSESSION_TICKET 4
746 # define SSL3_MT_CERTIFICATE 11
747 # define SSL3_MT_SERVER_KEY_EXCHANGE 12
748 # define SSL3_MT_CERTIFICATE_REQUEST 13
749 # define SSL3_MT_SERVER_DONE 14
750 # define SSL3_MT_CERTIFICATE_VERIFY 15
751 # define SSL3_MT_CLIENT_KEY_EXCHANGE 16
752 # define SSL3_MT_FINISHED 20
753 # define SSL3_MT_CERTIFICATE_STATUS 22
754 # ifndef OPENSSL_NO_NEXTPROTONEG
755 # define SSL3_MT_NEXT_PROTO 67
756 # endif
757 # define DTLS1_MT_HELLO_VERIFY_REQUEST 3
758 
759 # define SSL3_MT_CCS 1
760 
761 /* These are used when changing over to a new cipher */
762 # define SSL3_CC_READ 0x01
763 # define SSL3_CC_WRITE 0x02
764 # define SSL3_CC_CLIENT 0x10
765 # define SSL3_CC_SERVER 0x20
766 # define SSL3_CHANGE_CIPHER_CLIENT_WRITE (SSL3_CC_CLIENT|SSL3_CC_WRITE)
767 # define SSL3_CHANGE_CIPHER_SERVER_READ (SSL3_CC_SERVER|SSL3_CC_READ)
768 # define SSL3_CHANGE_CIPHER_CLIENT_READ (SSL3_CC_CLIENT|SSL3_CC_READ)
769 # define SSL3_CHANGE_CIPHER_SERVER_WRITE (SSL3_CC_SERVER|SSL3_CC_WRITE)
770 
771 #ifdef __cplusplus
772 }
773 #endif
774 #endif