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) 1998-2006 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.
114 * Portions of the attached software ("Contribution") are developed by
115 * SUN MICROSYSTEMS, INC., and are contributed to the OpenSSL project.
117 * The Contribution is licensed pursuant to the OpenSSL open source
118 * license provided above.
120 * ECC cipher suite support in OpenSSL originally written by
121 * Vipul Gupta and Sumit Gupta of Sun Microsystems Laboratories.
125 #ifndef HEADER_TLS1_H
126 #define HEADER_TLS1_H
128 #include <openssl/buffer.h>
134 #define TLS1_ALLOW_EXPERIMENTAL_CIPHERSUITES 1
136 #define TLS1_VERSION 0x0301
137 #define TLS1_VERSION_MAJOR 0x03
138 #define TLS1_VERSION_MINOR 0x01
140 #define TLS1_AD_DECRYPTION_FAILED 21
141 #define TLS1_AD_RECORD_OVERFLOW 22
142 #define TLS1_AD_UNKNOWN_CA 48 /* fatal */
143 #define TLS1_AD_ACCESS_DENIED 49 /* fatal */
144 #define TLS1_AD_DECODE_ERROR 50 /* fatal */
145 #define TLS1_AD_DECRYPT_ERROR 51
146 #define TLS1_AD_EXPORT_RESTRICTION 60 /* fatal */
147 #define TLS1_AD_PROTOCOL_VERSION 70 /* fatal */
148 #define TLS1_AD_INSUFFICIENT_SECURITY 71 /* fatal */
149 #define TLS1_AD_INTERNAL_ERROR 80 /* fatal */
150 #define TLS1_AD_USER_CANCELLED 90
151 #define TLS1_AD_NO_RENEGOTIATION 100
152 /* codes 110-114 are from RFC3546 */
153 #define TLS1_AD_UNSUPPORTED_EXTENSION 110
154 #define TLS1_AD_CERTIFICATE_UNOBTAINABLE 111
155 #define TLS1_AD_UNRECOGNIZED_NAME 112
156 #define TLS1_AD_BAD_CERTIFICATE_STATUS_RESPONSE 113
157 #define TLS1_AD_BAD_CERTIFICATE_HASH_VALUE 114
159 /* ExtensionType values from RFC 3546 */
160 #define TLSEXT_TYPE_server_name 0
161 #define TLSEXT_TYPE_max_fragment_length 1
162 #define TLSEXT_TYPE_client_certificate_url 2
163 #define TLSEXT_TYPE_trusted_ca_keys 3
164 #define TLSEXT_TYPE_truncated_hmac 4
165 #define TLSEXT_TYPE_status_request 5
167 /* NameType value from RFC 3546 */
168 #define TLSEXT_NAMETYPE_host_name 0
171 #ifndef OPENSSL_NO_TLSEXT
173 const char *SSL_get_servername(const SSL *s, const int type) ;
174 int SSL_get_servername_type(const SSL *s) ;
176 #define SSL_set_tlsext_hostname(s,name) \
177 SSL_ctrl(s,SSL_CTRL_SET_TLSEXT_HOSTNAME,TLSEXT_NAMETYPE_host_name,(char *)name)
179 #define SSL_CTX_set_tlsext_servername_callback(ctx, cb) \
180 SSL_CTX_callback_ctrl(ctx,SSL_CTRL_SET_TLSEXT_SERVERNAME_CB,(void (*)(void))cb)
181 #define SSL_CTX_set_tlsext_servername_arg(ctx, arg) \
182 SSL_CTX_ctrl(ctx,SSL_CTRL_SET_TLSEXT_SERVERNAME_ARG,0, (void *)arg)
184 #define SSL_set_tlsext_servername_done(s,t) \
185 SSL_ctrl(s,SSL_CTRL_SET_TLSEXT_SERVERNAME_DONE,t, NULL)
190 /* Additional TLS ciphersuites from expired Internet Draft
191 * draft-ietf-tls-56-bit-ciphersuites-01.txt
192 * (available if TLS1_ALLOW_EXPERIMENTAL_CIPHERSUITES is defined, see
193 * s3_lib.c). We actually treat them like SSL 3.0 ciphers, which we probably
194 * shouldn't. Note that the first two are actually not in the IDs. */
195 #define TLS1_CK_RSA_EXPORT1024_WITH_RC4_56_MD5 0x03000060 /* not in ID */
196 #define TLS1_CK_RSA_EXPORT1024_WITH_RC2_CBC_56_MD5 0x03000061 /* not in ID */
197 #define TLS1_CK_RSA_EXPORT1024_WITH_DES_CBC_SHA 0x03000062
198 #define TLS1_CK_DHE_DSS_EXPORT1024_WITH_DES_CBC_SHA 0x03000063
199 #define TLS1_CK_RSA_EXPORT1024_WITH_RC4_56_SHA 0x03000064
200 #define TLS1_CK_DHE_DSS_EXPORT1024_WITH_RC4_56_SHA 0x03000065
201 #define TLS1_CK_DHE_DSS_WITH_RC4_128_SHA 0x03000066
203 /* AES ciphersuites from RFC3268 */
205 #define TLS1_CK_RSA_WITH_AES_128_SHA 0x0300002F
206 #define TLS1_CK_DH_DSS_WITH_AES_128_SHA 0x03000030
207 #define TLS1_CK_DH_RSA_WITH_AES_128_SHA 0x03000031
208 #define TLS1_CK_DHE_DSS_WITH_AES_128_SHA 0x03000032
209 #define TLS1_CK_DHE_RSA_WITH_AES_128_SHA 0x03000033
210 #define TLS1_CK_ADH_WITH_AES_128_SHA 0x03000034
212 #define TLS1_CK_RSA_WITH_AES_256_SHA 0x03000035
213 #define TLS1_CK_DH_DSS_WITH_AES_256_SHA 0x03000036
214 #define TLS1_CK_DH_RSA_WITH_AES_256_SHA 0x03000037
215 #define TLS1_CK_DHE_DSS_WITH_AES_256_SHA 0x03000038
216 #define TLS1_CK_DHE_RSA_WITH_AES_256_SHA 0x03000039
217 #define TLS1_CK_ADH_WITH_AES_256_SHA 0x0300003A
219 /* ECC ciphersuites from draft-ietf-tls-ecc-12.txt with changes soon to be in draft 13 */
220 #define TLS1_CK_ECDH_ECDSA_WITH_NULL_SHA 0x0300C001
221 #define TLS1_CK_ECDH_ECDSA_WITH_RC4_128_SHA 0x0300C002
222 #define TLS1_CK_ECDH_ECDSA_WITH_DES_192_CBC3_SHA 0x0300C003
223 #define TLS1_CK_ECDH_ECDSA_WITH_AES_128_CBC_SHA 0x0300C004
224 #define TLS1_CK_ECDH_ECDSA_WITH_AES_256_CBC_SHA 0x0300C005
226 #define TLS1_CK_ECDHE_ECDSA_WITH_NULL_SHA 0x0300C006
227 #define TLS1_CK_ECDHE_ECDSA_WITH_RC4_128_SHA 0x0300C007
228 #define TLS1_CK_ECDHE_ECDSA_WITH_DES_192_CBC3_SHA 0x0300C008
229 #define TLS1_CK_ECDHE_ECDSA_WITH_AES_128_CBC_SHA 0x0300C009
230 #define TLS1_CK_ECDHE_ECDSA_WITH_AES_256_CBC_SHA 0x0300C00A
232 #define TLS1_CK_ECDH_RSA_WITH_NULL_SHA 0x0300C00B
233 #define TLS1_CK_ECDH_RSA_WITH_RC4_128_SHA 0x0300C00C
234 #define TLS1_CK_ECDH_RSA_WITH_DES_192_CBC3_SHA 0x0300C00D
235 #define TLS1_CK_ECDH_RSA_WITH_AES_128_CBC_SHA 0x0300C00E
236 #define TLS1_CK_ECDH_RSA_WITH_AES_256_CBC_SHA 0x0300C00F
238 #define TLS1_CK_ECDHE_RSA_WITH_NULL_SHA 0x0300C010
239 #define TLS1_CK_ECDHE_RSA_WITH_RC4_128_SHA 0x0300C011
240 #define TLS1_CK_ECDHE_RSA_WITH_DES_192_CBC3_SHA 0x0300C012
241 #define TLS1_CK_ECDHE_RSA_WITH_AES_128_CBC_SHA 0x0300C013
242 #define TLS1_CK_ECDHE_RSA_WITH_AES_256_CBC_SHA 0x0300C014
244 #define TLS1_CK_ECDH_anon_WITH_NULL_SHA 0x0300C015
245 #define TLS1_CK_ECDH_anon_WITH_RC4_128_SHA 0x0300C016
246 #define TLS1_CK_ECDH_anon_WITH_DES_192_CBC3_SHA 0x0300C017
247 #define TLS1_CK_ECDH_anon_WITH_AES_128_CBC_SHA 0x0300C018
248 #define TLS1_CK_ECDH_anon_WITH_AES_256_CBC_SHA 0x0300C019
251 * Inconsistency alert:
252 * The OpenSSL names of ciphers with ephemeral DH here include the string
253 * "DHE", while elsewhere it has always been "EDH".
254 * (The alias for the list of all such ciphers also is "EDH".)
255 * The specifications speak of "EDH"; maybe we should allow both forms
257 #define TLS1_TXT_RSA_EXPORT1024_WITH_RC4_56_MD5 "EXP1024-RC4-MD5"
258 #define TLS1_TXT_RSA_EXPORT1024_WITH_RC2_CBC_56_MD5 "EXP1024-RC2-CBC-MD5"
259 #define TLS1_TXT_RSA_EXPORT1024_WITH_DES_CBC_SHA "EXP1024-DES-CBC-SHA"
260 #define TLS1_TXT_DHE_DSS_EXPORT1024_WITH_DES_CBC_SHA "EXP1024-DHE-DSS-DES-CBC-SHA"
261 #define TLS1_TXT_RSA_EXPORT1024_WITH_RC4_56_SHA "EXP1024-RC4-SHA"
262 #define TLS1_TXT_DHE_DSS_EXPORT1024_WITH_RC4_56_SHA "EXP1024-DHE-DSS-RC4-SHA"
263 #define TLS1_TXT_DHE_DSS_WITH_RC4_128_SHA "DHE-DSS-RC4-SHA"
265 /* AES ciphersuites from RFC3268 */
266 #define TLS1_TXT_RSA_WITH_AES_128_SHA "AES128-SHA"
267 #define TLS1_TXT_DH_DSS_WITH_AES_128_SHA "DH-DSS-AES128-SHA"
268 #define TLS1_TXT_DH_RSA_WITH_AES_128_SHA "DH-RSA-AES128-SHA"
269 #define TLS1_TXT_DHE_DSS_WITH_AES_128_SHA "DHE-DSS-AES128-SHA"
270 #define TLS1_TXT_DHE_RSA_WITH_AES_128_SHA "DHE-RSA-AES128-SHA"
271 #define TLS1_TXT_ADH_WITH_AES_128_SHA "ADH-AES128-SHA"
273 #define TLS1_TXT_RSA_WITH_AES_256_SHA "AES256-SHA"
274 #define TLS1_TXT_DH_DSS_WITH_AES_256_SHA "DH-DSS-AES256-SHA"
275 #define TLS1_TXT_DH_RSA_WITH_AES_256_SHA "DH-RSA-AES256-SHA"
276 #define TLS1_TXT_DHE_DSS_WITH_AES_256_SHA "DHE-DSS-AES256-SHA"
277 #define TLS1_TXT_DHE_RSA_WITH_AES_256_SHA "DHE-RSA-AES256-SHA"
278 #define TLS1_TXT_ADH_WITH_AES_256_SHA "ADH-AES256-SHA"
280 /* ECC ciphersuites from draft-ietf-tls-ecc-01.txt (Mar 15, 2001) */
281 #define TLS1_TXT_ECDH_ECDSA_WITH_NULL_SHA "ECDH-ECDSA-NULL-SHA"
282 #define TLS1_TXT_ECDH_ECDSA_WITH_RC4_128_SHA "ECDH-ECDSA-RC4-SHA"
283 #define TLS1_TXT_ECDH_ECDSA_WITH_DES_192_CBC3_SHA "ECDH-ECDSA-DES-CBC3-SHA"
284 #define TLS1_TXT_ECDH_ECDSA_WITH_AES_128_CBC_SHA "ECDH-ECDSA-AES128-SHA"
285 #define TLS1_TXT_ECDH_ECDSA_WITH_AES_256_CBC_SHA "ECDH-ECDSA-AES256-SHA"
287 #define TLS1_TXT_ECDHE_ECDSA_WITH_NULL_SHA "ECDHE-ECDSA-NULL-SHA"
288 #define TLS1_TXT_ECDHE_ECDSA_WITH_RC4_128_SHA "ECDHE-ECDSA-RC4-SHA"
289 #define TLS1_TXT_ECDHE_ECDSA_WITH_DES_192_CBC3_SHA "ECDHE-ECDSA-DES-CBC3-SHA"
290 #define TLS1_TXT_ECDHE_ECDSA_WITH_AES_128_CBC_SHA "ECDHE-ECDSA-AES128-SHA"
291 #define TLS1_TXT_ECDHE_ECDSA_WITH_AES_256_CBC_SHA "ECDHE-ECDSA-AES256-SHA"
293 #define TLS1_TXT_ECDH_RSA_WITH_NULL_SHA "ECDH-RSA-NULL-SHA"
294 #define TLS1_TXT_ECDH_RSA_WITH_RC4_128_SHA "ECDH-RSA-RC4-SHA"
295 #define TLS1_TXT_ECDH_RSA_WITH_DES_192_CBC3_SHA "ECDH-RSA-DES-CBC3-SHA"
296 #define TLS1_TXT_ECDH_RSA_WITH_AES_128_CBC_SHA "ECDH-RSA-AES128-SHA"
297 #define TLS1_TXT_ECDH_RSA_WITH_AES_256_CBC_SHA "ECDH-RSA-AES256-SHA"
299 #define TLS1_TXT_ECDHE_RSA_WITH_NULL_SHA "ECDHE-RSA-NULL-SHA"
300 #define TLS1_TXT_ECDHE_RSA_WITH_RC4_128_SHA "ECDHE-RSA-RC4-SHA"
301 #define TLS1_TXT_ECDHE_RSA_WITH_DES_192_CBC3_SHA "ECDHE-RSA-DES-CBC3-SHA"
302 #define TLS1_TXT_ECDHE_RSA_WITH_AES_128_CBC_SHA "ECDHE-RSA-AES128-SHA"
303 #define TLS1_TXT_ECDHE_RSA_WITH_AES_256_CBC_SHA "ECDHE-RSA-AES256-SHA"
305 #define TLS1_TXT_ECDH_anon_WITH_NULL_SHA "AECDH-NULL-SHA"
306 #define TLS1_TXT_ECDH_anon_WITH_RC4_128_SHA "AECDH-RC4-SHA"
307 #define TLS1_TXT_ECDH_anon_WITH_DES_192_CBC3_SHA "AECDH-DES-CBC3-SHA"
308 #define TLS1_TXT_ECDH_anon_WITH_AES_128_CBC_SHA "AECDH-AES128-SHA"
309 #define TLS1_TXT_ECDH_anon_WITH_AES_256_CBC_SHA "AECDH-AES256-SHA"
311 #define TLS_CT_RSA_SIGN 1
312 #define TLS_CT_DSS_SIGN 2
313 #define TLS_CT_RSA_FIXED_DH 3
314 #define TLS_CT_DSS_FIXED_DH 4
315 #define TLS_CT_ECDSA_SIGN 64
316 #define TLS_CT_RSA_FIXED_ECDH 65
317 #define TLS_CT_ECDSA_FIXED_ECDH 66
318 #define TLS_CT_NUMBER 7
320 #define TLS1_FINISH_MAC_LENGTH 12
322 #define TLS_MD_MAX_CONST_SIZE 20
323 #define TLS_MD_CLIENT_FINISH_CONST "client finished"
324 #define TLS_MD_CLIENT_FINISH_CONST_SIZE 15
325 #define TLS_MD_SERVER_FINISH_CONST "server finished"
326 #define TLS_MD_SERVER_FINISH_CONST_SIZE 15
327 #define TLS_MD_SERVER_WRITE_KEY_CONST "server write key"
328 #define TLS_MD_SERVER_WRITE_KEY_CONST_SIZE 16
329 #define TLS_MD_KEY_EXPANSION_CONST "key expansion"
330 #define TLS_MD_KEY_EXPANSION_CONST_SIZE 13
331 #define TLS_MD_CLIENT_WRITE_KEY_CONST "client write key"
332 #define TLS_MD_CLIENT_WRITE_KEY_CONST_SIZE 16
333 #define TLS_MD_SERVER_WRITE_KEY_CONST "server write key"
334 #define TLS_MD_SERVER_WRITE_KEY_CONST_SIZE 16
335 #define TLS_MD_IV_BLOCK_CONST "IV block"
336 #define TLS_MD_IV_BLOCK_CONST_SIZE 8
337 #define TLS_MD_MASTER_SECRET_CONST "master secret"
338 #define TLS_MD_MASTER_SECRET_CONST_SIZE 13
340 #ifdef CHARSET_EBCDIC
341 #undef TLS_MD_CLIENT_FINISH_CONST
342 #define TLS_MD_CLIENT_FINISH_CONST "\x63\x6c\x69\x65\x6e\x74\x20\x66\x69\x6e\x69\x73\x68\x65\x64" /*client finished*/
343 #undef TLS_MD_SERVER_FINISH_CONST
344 #define TLS_MD_SERVER_FINISH_CONST "\x73\x65\x72\x76\x65\x72\x20\x66\x69\x6e\x69\x73\x68\x65\x64" /*server finished*/
345 #undef TLS_MD_SERVER_WRITE_KEY_CONST
346 #define TLS_MD_SERVER_WRITE_KEY_CONST "\x73\x65\x72\x76\x65\x72\x20\x77\x72\x69\x74\x65\x20\x6b\x65\x79" /*server write key*/
347 #undef TLS_MD_KEY_EXPANSION_CONST
348 #define TLS_MD_KEY_EXPANSION_CONST "\x6b\x65\x79\x20\x65\x78\x70\x61\x6e\x73\x69\x6f\x6e" /*key expansion*/
349 #undef TLS_MD_CLIENT_WRITE_KEY_CONST
350 #define TLS_MD_CLIENT_WRITE_KEY_CONST "\x63\x6c\x69\x65\x6e\x74\x20\x77\x72\x69\x74\x65\x20\x6b\x65\x79" /*client write key*/
351 #undef TLS_MD_SERVER_WRITE_KEY_CONST
352 #define TLS_MD_SERVER_WRITE_KEY_CONST "\x73\x65\x72\x76\x65\x72\x20\x77\x72\x69\x74\x65\x20\x6b\x65\x79" /*server write key*/
353 #undef TLS_MD_IV_BLOCK_CONST
354 #define TLS_MD_IV_BLOCK_CONST "\x49\x56\x20\x62\x6c\x6f\x63\x6b" /*IV block*/
355 #undef TLS_MD_MASTER_SECRET_CONST
356 #define TLS_MD_MASTER_SECRET_CONST "\x6d\x61\x73\x74\x65\x72\x20\x73\x65\x63\x72\x65\x74" /*master secret*/