1/*
2 * Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved.
3 *
4 * Licensed under the OpenSSL license (the "License"). You may not use
5 * this file except in compliance with the License. You can obtain a copy
6 * in the file LICENSE in the source distribution or at
7 * https://www.openssl.org/source/license.html
8 */
9
10/* ====================================================================
11 * Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED.
12 * ECC cipher suite support in OpenSSL originally developed by
13 * SUN MICROSYSTEMS, INC., and contributed to the OpenSSL project.
14 */
15
16#ifndef HEADER_SSL3_H
17# define HEADER_SSL3_H
18
19# include <openssl/comp.h>
20# include <openssl/buffer.h>
21# include <openssl/evp.h>
22# include <openssl/ssl.h>
23
24#ifdef __cplusplus
25extern "C" {
26#endif
27
28/*
29 * Signalling cipher suite value from RFC 5746
30 * (TLS_EMPTY_RENEGOTIATION_INFO_SCSV)
31 */
32# define SSL3_CK_SCSV 0x030000FF
33
34/*
35 * Signalling cipher suite value from draft-ietf-tls-downgrade-scsv-00
36 * (TLS_FALLBACK_SCSV)
37 */
38# define SSL3_CK_FALLBACK_SCSV 0x03005600
39
40# define SSL3_CK_RSA_NULL_MD5 0x03000001
41# define SSL3_CK_RSA_NULL_SHA 0x03000002
42# define SSL3_CK_RSA_RC4_40_MD5 0x03000003
43# define SSL3_CK_RSA_RC4_128_MD5 0x03000004
44# define SSL3_CK_RSA_RC4_128_SHA 0x03000005
45# define SSL3_CK_RSA_RC2_40_MD5 0x03000006
46# define SSL3_CK_RSA_IDEA_128_SHA 0x03000007
47# define SSL3_CK_RSA_DES_40_CBC_SHA 0x03000008
48# define SSL3_CK_RSA_DES_64_CBC_SHA 0x03000009
49# define SSL3_CK_RSA_DES_192_CBC3_SHA 0x0300000A
50
51# define SSL3_CK_DH_DSS_DES_40_CBC_SHA 0x0300000B
52# define SSL3_CK_DH_DSS_DES_64_CBC_SHA 0x0300000C
53# define SSL3_CK_DH_DSS_DES_192_CBC3_SHA 0x0300000D
54# define SSL3_CK_DH_RSA_DES_40_CBC_SHA 0x0300000E
55# define SSL3_CK_DH_RSA_DES_64_CBC_SHA 0x0300000F
56# define SSL3_CK_DH_RSA_DES_192_CBC3_SHA 0x03000010
57
58# define SSL3_CK_DHE_DSS_DES_40_CBC_SHA 0x03000011
59# define SSL3_CK_EDH_DSS_DES_40_CBC_SHA SSL3_CK_DHE_DSS_DES_40_CBC_SHA
60# define SSL3_CK_DHE_DSS_DES_64_CBC_SHA 0x03000012
61# define SSL3_CK_EDH_DSS_DES_64_CBC_SHA SSL3_CK_DHE_DSS_DES_64_CBC_SHA
62# define SSL3_CK_DHE_DSS_DES_192_CBC3_SHA 0x03000013
63# define SSL3_CK_EDH_DSS_DES_192_CBC3_SHA SSL3_CK_DHE_DSS_DES_192_CBC3_SHA
64# define SSL3_CK_DHE_RSA_DES_40_CBC_SHA 0x03000014
65# define SSL3_CK_EDH_RSA_DES_40_CBC_SHA SSL3_CK_DHE_RSA_DES_40_CBC_SHA
66# define SSL3_CK_DHE_RSA_DES_64_CBC_SHA 0x03000015
67# define SSL3_CK_EDH_RSA_DES_64_CBC_SHA SSL3_CK_DHE_RSA_DES_64_CBC_SHA
68# define SSL3_CK_DHE_RSA_DES_192_CBC3_SHA 0x03000016
69# define SSL3_CK_EDH_RSA_DES_192_CBC3_SHA SSL3_CK_DHE_RSA_DES_192_CBC3_SHA
70
71# define SSL3_CK_ADH_RC4_40_MD5 0x03000017
72# define SSL3_CK_ADH_RC4_128_MD5 0x03000018
73# define SSL3_CK_ADH_DES_40_CBC_SHA 0x03000019
74# define SSL3_CK_ADH_DES_64_CBC_SHA 0x0300001A
75# define SSL3_CK_ADH_DES_192_CBC_SHA 0x0300001B
76
77# define SSL3_TXT_RSA_NULL_MD5 "NULL-MD5"
78# define SSL3_TXT_RSA_NULL_SHA "NULL-SHA"
79# define SSL3_TXT_RSA_RC4_40_MD5 "EXP-RC4-MD5"
80# define SSL3_TXT_RSA_RC4_128_MD5 "RC4-MD5"
81# define SSL3_TXT_RSA_RC4_128_SHA "RC4-SHA"
82# define SSL3_TXT_RSA_RC2_40_MD5 "EXP-RC2-CBC-MD5"
83# define SSL3_TXT_RSA_IDEA_128_SHA "IDEA-CBC-SHA"
84# define SSL3_TXT_RSA_DES_40_CBC_SHA "EXP-DES-CBC-SHA"
85# define SSL3_TXT_RSA_DES_64_CBC_SHA "DES-CBC-SHA"
86# define SSL3_TXT_RSA_DES_192_CBC3_SHA "DES-CBC3-SHA"
87
88# define SSL3_TXT_DH_DSS_DES_40_CBC_SHA "EXP-DH-DSS-DES-CBC-SHA"
89# define SSL3_TXT_DH_DSS_DES_64_CBC_SHA "DH-DSS-DES-CBC-SHA"
90# define SSL3_TXT_DH_DSS_DES_192_CBC3_SHA "DH-DSS-DES-CBC3-SHA"
91# define SSL3_TXT_DH_RSA_DES_40_CBC_SHA "EXP-DH-RSA-DES-CBC-SHA"
92# define SSL3_TXT_DH_RSA_DES_64_CBC_SHA "DH-RSA-DES-CBC-SHA"
93# define SSL3_TXT_DH_RSA_DES_192_CBC3_SHA "DH-RSA-DES-CBC3-SHA"
94
95# define SSL3_TXT_DHE_DSS_DES_40_CBC_SHA "EXP-DHE-DSS-DES-CBC-SHA"
96# define SSL3_TXT_DHE_DSS_DES_64_CBC_SHA "DHE-DSS-DES-CBC-SHA"
97# define SSL3_TXT_DHE_DSS_DES_192_CBC3_SHA "DHE-DSS-DES-CBC3-SHA"
98# define SSL3_TXT_DHE_RSA_DES_40_CBC_SHA "EXP-DHE-RSA-DES-CBC-SHA"
99# define SSL3_TXT_DHE_RSA_DES_64_CBC_SHA "DHE-RSA-DES-CBC-SHA"
100# define SSL3_TXT_DHE_RSA_DES_192_CBC3_SHA "DHE-RSA-DES-CBC3-SHA"
101
102/*
103 * This next block of six "EDH" labels is for backward compatibility with
104 * older versions of OpenSSL. New code should use the six "DHE" labels above
105 * instead:
106 */
107# define SSL3_TXT_EDH_DSS_DES_40_CBC_SHA "EXP-EDH-DSS-DES-CBC-SHA"
108# define SSL3_TXT_EDH_DSS_DES_64_CBC_SHA "EDH-DSS-DES-CBC-SHA"
109# define SSL3_TXT_EDH_DSS_DES_192_CBC3_SHA "EDH-DSS-DES-CBC3-SHA"
110# define SSL3_TXT_EDH_RSA_DES_40_CBC_SHA "EXP-EDH-RSA-DES-CBC-SHA"
111# define SSL3_TXT_EDH_RSA_DES_64_CBC_SHA "EDH-RSA-DES-CBC-SHA"
112# define SSL3_TXT_EDH_RSA_DES_192_CBC3_SHA "EDH-RSA-DES-CBC3-SHA"
113
114# define SSL3_TXT_ADH_RC4_40_MD5 "EXP-ADH-RC4-MD5"
115# define SSL3_TXT_ADH_RC4_128_MD5 "ADH-RC4-MD5"
116# define SSL3_TXT_ADH_DES_40_CBC_SHA "EXP-ADH-DES-CBC-SHA"
117# define SSL3_TXT_ADH_DES_64_CBC_SHA "ADH-DES-CBC-SHA"
118# define SSL3_TXT_ADH_DES_192_CBC_SHA "ADH-DES-CBC3-SHA"
119
120# define SSL3_SSL_SESSION_ID_LENGTH 32
121# define SSL3_MAX_SSL_SESSION_ID_LENGTH 32
122
123# define SSL3_MASTER_SECRET_SIZE 48
124# define SSL3_RANDOM_SIZE 32
125# define SSL3_SESSION_ID_SIZE 32
126# define SSL3_RT_HEADER_LENGTH 5
127
128# define SSL3_HM_HEADER_LENGTH 4
129
130# ifndef SSL3_ALIGN_PAYLOAD
131 /*
132 * Some will argue that this increases memory footprint, but it's not
133 * actually true. Point is that malloc has to return at least 64-bit aligned
134 * pointers, meaning that allocating 5 bytes wastes 3 bytes in either case.
135 * Suggested pre-gaping simply moves these wasted bytes from the end of
136 * allocated region to its front, but makes data payload aligned, which
137 * improves performance:-)
138 */
139# define SSL3_ALIGN_PAYLOAD 8
140# else
141# if (SSL3_ALIGN_PAYLOAD&(SSL3_ALIGN_PAYLOAD-1))!=0
142# error "insane SSL3_ALIGN_PAYLOAD"
143# undef SSL3_ALIGN_PAYLOAD
144# endif
145# endif
146
147/*
148 * This is the maximum MAC (digest) size used by the SSL library. Currently
149 * maximum of 20 is used by SHA1, but we reserve for future extension for
150 * 512-bit hashes.
151 */
152
153# define SSL3_RT_MAX_MD_SIZE 64
154
155/*
156 * Maximum block size used in all ciphersuites. Currently 16 for AES.
157 */
158
159# define SSL_RT_MAX_CIPHER_BLOCK_SIZE 16
160
161# define SSL3_RT_MAX_EXTRA (16384)
162
163/* Maximum plaintext length: defined by SSL/TLS standards */
164# define SSL3_RT_MAX_PLAIN_LENGTH 16384
165/* Maximum compression overhead: defined by SSL/TLS standards */
166# define SSL3_RT_MAX_COMPRESSED_OVERHEAD 1024
167
168/*
169 * The standards give a maximum encryption overhead of 1024 bytes. In
170 * practice the value is lower than this. The overhead is the maximum number
171 * of padding bytes (256) plus the mac size.
172 */
173# define SSL3_RT_MAX_ENCRYPTED_OVERHEAD (256 + SSL3_RT_MAX_MD_SIZE)
174
175/*
176 * OpenSSL currently only uses a padding length of at most one block so the
177 * send overhead is smaller.
178 */
179
180# define SSL3_RT_SEND_MAX_ENCRYPTED_OVERHEAD \
181 (SSL_RT_MAX_CIPHER_BLOCK_SIZE + SSL3_RT_MAX_MD_SIZE)
182
183/* If compression isn't used don't include the compression overhead */
184
185# ifdef OPENSSL_NO_COMP
186# define SSL3_RT_MAX_COMPRESSED_LENGTH SSL3_RT_MAX_PLAIN_LENGTH
187# else
188# define SSL3_RT_MAX_COMPRESSED_LENGTH \
189 (SSL3_RT_MAX_PLAIN_LENGTH+SSL3_RT_MAX_COMPRESSED_OVERHEAD)
190# endif
191# define SSL3_RT_MAX_ENCRYPTED_LENGTH \
192 (SSL3_RT_MAX_ENCRYPTED_OVERHEAD+SSL3_RT_MAX_COMPRESSED_LENGTH)
193# define SSL3_RT_MAX_PACKET_SIZE \
194 (SSL3_RT_MAX_ENCRYPTED_LENGTH+SSL3_RT_HEADER_LENGTH)
195
196# define SSL3_MD_CLIENT_FINISHED_CONST "\x43\x4C\x4E\x54"
197# define SSL3_MD_SERVER_FINISHED_CONST "\x53\x52\x56\x52"
198
199# define SSL3_VERSION 0x0300
200# define SSL3_VERSION_MAJOR 0x03
201# define SSL3_VERSION_MINOR 0x00
202
203# define SSL3_RT_CHANGE_CIPHER_SPEC 20
204# define SSL3_RT_ALERT 21
205# define SSL3_RT_HANDSHAKE 22
206# define SSL3_RT_APPLICATION_DATA 23
207# define DTLS1_RT_HEARTBEAT 24
208
209/* Pseudo content types to indicate additional parameters */
210# define TLS1_RT_CRYPTO 0x1000
211# define TLS1_RT_CRYPTO_PREMASTER (TLS1_RT_CRYPTO | 0x1)
212# define TLS1_RT_CRYPTO_CLIENT_RANDOM (TLS1_RT_CRYPTO | 0x2)
213# define TLS1_RT_CRYPTO_SERVER_RANDOM (TLS1_RT_CRYPTO | 0x3)
214# define TLS1_RT_CRYPTO_MASTER (TLS1_RT_CRYPTO | 0x4)
215
216# define TLS1_RT_CRYPTO_READ 0x0000
217# define TLS1_RT_CRYPTO_WRITE 0x0100
218# define TLS1_RT_CRYPTO_MAC (TLS1_RT_CRYPTO | 0x5)
219# define TLS1_RT_CRYPTO_KEY (TLS1_RT_CRYPTO | 0x6)
220# define TLS1_RT_CRYPTO_IV (TLS1_RT_CRYPTO | 0x7)
221# define TLS1_RT_CRYPTO_FIXED_IV (TLS1_RT_CRYPTO | 0x8)
222
223/* Pseudo content type for SSL/TLS header info */
224# define SSL3_RT_HEADER 0x100
225
226# define SSL3_AL_WARNING 1
227# define SSL3_AL_FATAL 2
228
229# define SSL3_AD_CLOSE_NOTIFY 0
230# define SSL3_AD_UNEXPECTED_MESSAGE 10/* fatal */
231# define SSL3_AD_BAD_RECORD_MAC 20/* fatal */
232# define SSL3_AD_DECOMPRESSION_FAILURE 30/* fatal */
233# define SSL3_AD_HANDSHAKE_FAILURE 40/* fatal */
234# define SSL3_AD_NO_CERTIFICATE 41
235# define SSL3_AD_BAD_CERTIFICATE 42
236# define SSL3_AD_UNSUPPORTED_CERTIFICATE 43
237# define SSL3_AD_CERTIFICATE_REVOKED 44
238# define SSL3_AD_CERTIFICATE_EXPIRED 45
239# define SSL3_AD_CERTIFICATE_UNKNOWN 46
240# define SSL3_AD_ILLEGAL_PARAMETER 47/* fatal */
241
242# define TLS1_HB_REQUEST 1
243# define TLS1_HB_RESPONSE 2
244
245
246# define SSL3_CT_RSA_SIGN 1
247# define SSL3_CT_DSS_SIGN 2
248# define SSL3_CT_RSA_FIXED_DH 3
249# define SSL3_CT_DSS_FIXED_DH 4
250# define SSL3_CT_RSA_EPHEMERAL_DH 5
251# define SSL3_CT_DSS_EPHEMERAL_DH 6
252# define SSL3_CT_FORTEZZA_DMS 20
253/*
254 * SSL3_CT_NUMBER is used to size arrays and it must be large enough to
255 * contain all of the cert types defined either for SSLv3 and TLSv1.
256 */
257# define SSL3_CT_NUMBER 9
258
259# define SSL3_FLAGS_NO_RENEGOTIATE_CIPHERS 0x0001
260
261/* Removed from OpenSSL 1.1.0 */
262# define TLS1_FLAGS_TLS_PADDING_BUG 0x0
263
264# define TLS1_FLAGS_SKIP_CERT_VERIFY 0x0010
265
266/* Set if we encrypt then mac instead of usual mac then encrypt */
267# define TLS1_FLAGS_ENCRYPT_THEN_MAC_READ 0x0100
268# define TLS1_FLAGS_ENCRYPT_THEN_MAC TLS1_FLAGS_ENCRYPT_THEN_MAC_READ
269
270/* Set if extended master secret extension received from peer */
271# define TLS1_FLAGS_RECEIVED_EXTMS 0x0200
272
273# define TLS1_FLAGS_ENCRYPT_THEN_MAC_WRITE 0x0400
274
275# define SSL3_MT_HELLO_REQUEST 0
276# define SSL3_MT_CLIENT_HELLO 1
277# define SSL3_MT_SERVER_HELLO 2
278# define SSL3_MT_NEWSESSION_TICKET 4
279# define SSL3_MT_CERTIFICATE 11
280# define SSL3_MT_SERVER_KEY_EXCHANGE 12
281# define SSL3_MT_CERTIFICATE_REQUEST 13
282# define SSL3_MT_SERVER_DONE 14
283# define SSL3_MT_CERTIFICATE_VERIFY 15
284# define SSL3_MT_CLIENT_KEY_EXCHANGE 16
285# define SSL3_MT_FINISHED 20
286# define SSL3_MT_CERTIFICATE_STATUS 22
287# ifndef OPENSSL_NO_NEXTPROTONEG
288# define SSL3_MT_NEXT_PROTO 67
289# endif
290# define DTLS1_MT_HELLO_VERIFY_REQUEST 3
291
292/* Dummy message type for handling CCS like a normal handshake message */
293# define SSL3_MT_CHANGE_CIPHER_SPEC 0x0101
294
295# define SSL3_MT_CCS 1
296
297/* These are used when changing over to a new cipher */
298# define SSL3_CC_READ 0x01
299# define SSL3_CC_WRITE 0x02
300# define SSL3_CC_CLIENT 0x10
301# define SSL3_CC_SERVER 0x20
302# define SSL3_CHANGE_CIPHER_CLIENT_WRITE (SSL3_CC_CLIENT|SSL3_CC_WRITE)
303# define SSL3_CHANGE_CIPHER_SERVER_READ (SSL3_CC_SERVER|SSL3_CC_READ)
304# define SSL3_CHANGE_CIPHER_CLIENT_READ (SSL3_CC_CLIENT|SSL3_CC_READ)
305# define SSL3_CHANGE_CIPHER_SERVER_WRITE (SSL3_CC_SERVER|SSL3_CC_WRITE)
306
307#ifdef __cplusplus
308}
309#endif
310#endif
311