This file is indexed.

/usr/include/openssl/ssl3.h is in libssl-dev 1.1.0j-1~deb9u1.

This file is owned by root:root, with mode 0o644.

The actual contents of the file can be viewed below.

  1
  2
  3
  4
  5
  6
  7
  8
  9
 10
 11
 12
 13
 14
 15
 16
 17
 18
 19
 20
 21
 22
 23
 24
 25
 26
 27
 28
 29
 30
 31
 32
 33
 34
 35
 36
 37
 38
 39
 40
 41
 42
 43
 44
 45
 46
 47
 48
 49
 50
 51
 52
 53
 54
 55
 56
 57
 58
 59
 60
 61
 62
 63
 64
 65
 66
 67
 68
 69
 70
 71
 72
 73
 74
 75
 76
 77
 78
 79
 80
 81
 82
 83
 84
 85
 86
 87
 88
 89
 90
 91
 92
 93
 94
 95
 96
 97
 98
 99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
/*
 * Copyright 1995-2018 The OpenSSL Project Authors. All Rights Reserved.
 *
 * Licensed under the OpenSSL license (the "License").  You may not use
 * this file except in compliance with the License.  You can obtain a copy
 * in the file LICENSE in the source distribution or at
 * https://www.openssl.org/source/license.html
 */

/* ====================================================================
 * Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED.
 * ECC cipher suite support in OpenSSL originally developed by
 * SUN MICROSYSTEMS, INC., and contributed to the OpenSSL project.
 */

#ifndef HEADER_SSL3_H
# define HEADER_SSL3_H

# include <openssl/comp.h>
# include <openssl/buffer.h>
# include <openssl/evp.h>
# include <openssl/ssl.h>

#ifdef  __cplusplus
extern "C" {
#endif

/*
 * Signalling cipher suite value from RFC 5746
 * (TLS_EMPTY_RENEGOTIATION_INFO_SCSV)
 */
# define SSL3_CK_SCSV                            0x030000FF

/*
 * Signalling cipher suite value from draft-ietf-tls-downgrade-scsv-00
 * (TLS_FALLBACK_SCSV)
 */
# define SSL3_CK_FALLBACK_SCSV                   0x03005600

# define SSL3_CK_RSA_NULL_MD5                    0x03000001
# define SSL3_CK_RSA_NULL_SHA                    0x03000002
# define SSL3_CK_RSA_RC4_40_MD5                  0x03000003
# define SSL3_CK_RSA_RC4_128_MD5                 0x03000004
# define SSL3_CK_RSA_RC4_128_SHA                 0x03000005
# define SSL3_CK_RSA_RC2_40_MD5                  0x03000006
# define SSL3_CK_RSA_IDEA_128_SHA                0x03000007
# define SSL3_CK_RSA_DES_40_CBC_SHA              0x03000008
# define SSL3_CK_RSA_DES_64_CBC_SHA              0x03000009
# define SSL3_CK_RSA_DES_192_CBC3_SHA            0x0300000A

# define SSL3_CK_DH_DSS_DES_40_CBC_SHA           0x0300000B
# define SSL3_CK_DH_DSS_DES_64_CBC_SHA           0x0300000C
# define SSL3_CK_DH_DSS_DES_192_CBC3_SHA         0x0300000D
# define SSL3_CK_DH_RSA_DES_40_CBC_SHA           0x0300000E
# define SSL3_CK_DH_RSA_DES_64_CBC_SHA           0x0300000F
# define SSL3_CK_DH_RSA_DES_192_CBC3_SHA         0x03000010

# define SSL3_CK_DHE_DSS_DES_40_CBC_SHA          0x03000011
# define SSL3_CK_EDH_DSS_DES_40_CBC_SHA          SSL3_CK_DHE_DSS_DES_40_CBC_SHA
# define SSL3_CK_DHE_DSS_DES_64_CBC_SHA          0x03000012
# define SSL3_CK_EDH_DSS_DES_64_CBC_SHA          SSL3_CK_DHE_DSS_DES_64_CBC_SHA
# define SSL3_CK_DHE_DSS_DES_192_CBC3_SHA        0x03000013
# define SSL3_CK_EDH_DSS_DES_192_CBC3_SHA        SSL3_CK_DHE_DSS_DES_192_CBC3_SHA
# define SSL3_CK_DHE_RSA_DES_40_CBC_SHA          0x03000014
# define SSL3_CK_EDH_RSA_DES_40_CBC_SHA          SSL3_CK_DHE_RSA_DES_40_CBC_SHA
# define SSL3_CK_DHE_RSA_DES_64_CBC_SHA          0x03000015
# define SSL3_CK_EDH_RSA_DES_64_CBC_SHA          SSL3_CK_DHE_RSA_DES_64_CBC_SHA
# define SSL3_CK_DHE_RSA_DES_192_CBC3_SHA        0x03000016
# define SSL3_CK_EDH_RSA_DES_192_CBC3_SHA        SSL3_CK_DHE_RSA_DES_192_CBC3_SHA

# define SSL3_CK_ADH_RC4_40_MD5                  0x03000017
# define SSL3_CK_ADH_RC4_128_MD5                 0x03000018
# define SSL3_CK_ADH_DES_40_CBC_SHA              0x03000019
# define SSL3_CK_ADH_DES_64_CBC_SHA              0x0300001A
# define SSL3_CK_ADH_DES_192_CBC_SHA             0x0300001B

# define SSL3_TXT_RSA_NULL_MD5                   "NULL-MD5"
# define SSL3_TXT_RSA_NULL_SHA                   "NULL-SHA"
# define SSL3_TXT_RSA_RC4_40_MD5                 "EXP-RC4-MD5"
# define SSL3_TXT_RSA_RC4_128_MD5                "RC4-MD5"
# define SSL3_TXT_RSA_RC4_128_SHA                "RC4-SHA"
# define SSL3_TXT_RSA_RC2_40_MD5                 "EXP-RC2-CBC-MD5"
# define SSL3_TXT_RSA_IDEA_128_SHA               "IDEA-CBC-SHA"
# define SSL3_TXT_RSA_DES_40_CBC_SHA             "EXP-DES-CBC-SHA"
# define SSL3_TXT_RSA_DES_64_CBC_SHA             "DES-CBC-SHA"
# define SSL3_TXT_RSA_DES_192_CBC3_SHA           "DES-CBC3-SHA"

# define SSL3_TXT_DH_DSS_DES_40_CBC_SHA          "EXP-DH-DSS-DES-CBC-SHA"
# define SSL3_TXT_DH_DSS_DES_64_CBC_SHA          "DH-DSS-DES-CBC-SHA"
# define SSL3_TXT_DH_DSS_DES_192_CBC3_SHA        "DH-DSS-DES-CBC3-SHA"
# define SSL3_TXT_DH_RSA_DES_40_CBC_SHA          "EXP-DH-RSA-DES-CBC-SHA"
# define SSL3_TXT_DH_RSA_DES_64_CBC_SHA          "DH-RSA-DES-CBC-SHA"
# define SSL3_TXT_DH_RSA_DES_192_CBC3_SHA        "DH-RSA-DES-CBC3-SHA"

# define SSL3_TXT_DHE_DSS_DES_40_CBC_SHA         "EXP-DHE-DSS-DES-CBC-SHA"
# define SSL3_TXT_DHE_DSS_DES_64_CBC_SHA         "DHE-DSS-DES-CBC-SHA"
# define SSL3_TXT_DHE_DSS_DES_192_CBC3_SHA       "DHE-DSS-DES-CBC3-SHA"
# define SSL3_TXT_DHE_RSA_DES_40_CBC_SHA         "EXP-DHE-RSA-DES-CBC-SHA"
# define SSL3_TXT_DHE_RSA_DES_64_CBC_SHA         "DHE-RSA-DES-CBC-SHA"
# define SSL3_TXT_DHE_RSA_DES_192_CBC3_SHA       "DHE-RSA-DES-CBC3-SHA"

/*
 * This next block of six "EDH" labels is for backward compatibility with
 * older versions of OpenSSL.  New code should use the six "DHE" labels above
 * instead:
 */
# define SSL3_TXT_EDH_DSS_DES_40_CBC_SHA         "EXP-EDH-DSS-DES-CBC-SHA"
# define SSL3_TXT_EDH_DSS_DES_64_CBC_SHA         "EDH-DSS-DES-CBC-SHA"
# define SSL3_TXT_EDH_DSS_DES_192_CBC3_SHA       "EDH-DSS-DES-CBC3-SHA"
# define SSL3_TXT_EDH_RSA_DES_40_CBC_SHA         "EXP-EDH-RSA-DES-CBC-SHA"
# define SSL3_TXT_EDH_RSA_DES_64_CBC_SHA         "EDH-RSA-DES-CBC-SHA"
# define SSL3_TXT_EDH_RSA_DES_192_CBC3_SHA       "EDH-RSA-DES-CBC3-SHA"

# define SSL3_TXT_ADH_RC4_40_MD5                 "EXP-ADH-RC4-MD5"
# define SSL3_TXT_ADH_RC4_128_MD5                "ADH-RC4-MD5"
# define SSL3_TXT_ADH_DES_40_CBC_SHA             "EXP-ADH-DES-CBC-SHA"
# define SSL3_TXT_ADH_DES_64_CBC_SHA             "ADH-DES-CBC-SHA"
# define SSL3_TXT_ADH_DES_192_CBC_SHA            "ADH-DES-CBC3-SHA"

# define SSL3_SSL_SESSION_ID_LENGTH              32
# define SSL3_MAX_SSL_SESSION_ID_LENGTH          32

# define SSL3_MASTER_SECRET_SIZE                 48
# define SSL3_RANDOM_SIZE                        32
# define SSL3_SESSION_ID_SIZE                    32
# define SSL3_RT_HEADER_LENGTH                   5

# define SSL3_HM_HEADER_LENGTH                  4

# ifndef SSL3_ALIGN_PAYLOAD
 /*
  * Some will argue that this increases memory footprint, but it's not
  * actually true. Point is that malloc has to return at least 64-bit aligned
  * pointers, meaning that allocating 5 bytes wastes 3 bytes in either case.
  * Suggested pre-gaping simply moves these wasted bytes from the end of
  * allocated region to its front, but makes data payload aligned, which
  * improves performance:-)
  */
#  define SSL3_ALIGN_PAYLOAD                     8
# else
#  if (SSL3_ALIGN_PAYLOAD&(SSL3_ALIGN_PAYLOAD-1))!=0
#   error "insane SSL3_ALIGN_PAYLOAD"
#   undef SSL3_ALIGN_PAYLOAD
#  endif
# endif

/*
 * This is the maximum MAC (digest) size used by the SSL library. Currently
 * maximum of 20 is used by SHA1, but we reserve for future extension for
 * 512-bit hashes.
 */

# define SSL3_RT_MAX_MD_SIZE                     64

/*
 * Maximum block size used in all ciphersuites. Currently 16 for AES.
 */

# define SSL_RT_MAX_CIPHER_BLOCK_SIZE            16

# define SSL3_RT_MAX_EXTRA                       (16384)

/* Maximum plaintext length: defined by SSL/TLS standards */
# define SSL3_RT_MAX_PLAIN_LENGTH                16384
/* Maximum compression overhead: defined by SSL/TLS standards */
# define SSL3_RT_MAX_COMPRESSED_OVERHEAD         1024

/*
 * The standards give a maximum encryption overhead of 1024 bytes. In
 * practice the value is lower than this. The overhead is the maximum number
 * of padding bytes (256) plus the mac size.
 */
# define SSL3_RT_MAX_ENCRYPTED_OVERHEAD  (256 + SSL3_RT_MAX_MD_SIZE)

/*
 * OpenSSL currently only uses a padding length of at most one block so the
 * send overhead is smaller.
 */

# define SSL3_RT_SEND_MAX_ENCRYPTED_OVERHEAD \
                        (SSL_RT_MAX_CIPHER_BLOCK_SIZE + SSL3_RT_MAX_MD_SIZE)

/* If compression isn't used don't include the compression overhead */

# ifdef OPENSSL_NO_COMP
#  define SSL3_RT_MAX_COMPRESSED_LENGTH           SSL3_RT_MAX_PLAIN_LENGTH
# else
#  define SSL3_RT_MAX_COMPRESSED_LENGTH   \
                (SSL3_RT_MAX_PLAIN_LENGTH+SSL3_RT_MAX_COMPRESSED_OVERHEAD)
# endif
# define SSL3_RT_MAX_ENCRYPTED_LENGTH    \
                (SSL3_RT_MAX_ENCRYPTED_OVERHEAD+SSL3_RT_MAX_COMPRESSED_LENGTH)
# define SSL3_RT_MAX_PACKET_SIZE         \
                (SSL3_RT_MAX_ENCRYPTED_LENGTH+SSL3_RT_HEADER_LENGTH)

# define SSL3_MD_CLIENT_FINISHED_CONST   "\x43\x4C\x4E\x54"
# define SSL3_MD_SERVER_FINISHED_CONST   "\x53\x52\x56\x52"

# define SSL3_VERSION                    0x0300
# define SSL3_VERSION_MAJOR              0x03
# define SSL3_VERSION_MINOR              0x00

# define SSL3_RT_CHANGE_CIPHER_SPEC      20
# define SSL3_RT_ALERT                   21
# define SSL3_RT_HANDSHAKE               22
# define SSL3_RT_APPLICATION_DATA        23
# define DTLS1_RT_HEARTBEAT              24

/* Pseudo content types to indicate additional parameters */
# define TLS1_RT_CRYPTO                  0x1000
# define TLS1_RT_CRYPTO_PREMASTER        (TLS1_RT_CRYPTO | 0x1)
# define TLS1_RT_CRYPTO_CLIENT_RANDOM    (TLS1_RT_CRYPTO | 0x2)
# define TLS1_RT_CRYPTO_SERVER_RANDOM    (TLS1_RT_CRYPTO | 0x3)
# define TLS1_RT_CRYPTO_MASTER           (TLS1_RT_CRYPTO | 0x4)

# define TLS1_RT_CRYPTO_READ             0x0000
# define TLS1_RT_CRYPTO_WRITE            0x0100
# define TLS1_RT_CRYPTO_MAC              (TLS1_RT_CRYPTO | 0x5)
# define TLS1_RT_CRYPTO_KEY              (TLS1_RT_CRYPTO | 0x6)
# define TLS1_RT_CRYPTO_IV               (TLS1_RT_CRYPTO | 0x7)
# define TLS1_RT_CRYPTO_FIXED_IV         (TLS1_RT_CRYPTO | 0x8)

/* Pseudo content type for SSL/TLS header info */
# define SSL3_RT_HEADER                  0x100

# define SSL3_AL_WARNING                 1
# define SSL3_AL_FATAL                   2

# define SSL3_AD_CLOSE_NOTIFY             0
# define SSL3_AD_UNEXPECTED_MESSAGE      10/* fatal */
# define SSL3_AD_BAD_RECORD_MAC          20/* fatal */
# define SSL3_AD_DECOMPRESSION_FAILURE   30/* fatal */
# define SSL3_AD_HANDSHAKE_FAILURE       40/* fatal */
# define SSL3_AD_NO_CERTIFICATE          41
# define SSL3_AD_BAD_CERTIFICATE         42
# define SSL3_AD_UNSUPPORTED_CERTIFICATE 43
# define SSL3_AD_CERTIFICATE_REVOKED     44
# define SSL3_AD_CERTIFICATE_EXPIRED     45
# define SSL3_AD_CERTIFICATE_UNKNOWN     46
# define SSL3_AD_ILLEGAL_PARAMETER       47/* fatal */

# define TLS1_HB_REQUEST         1
# define TLS1_HB_RESPONSE        2


# define SSL3_CT_RSA_SIGN                        1
# define SSL3_CT_DSS_SIGN                        2
# define SSL3_CT_RSA_FIXED_DH                    3
# define SSL3_CT_DSS_FIXED_DH                    4
# define SSL3_CT_RSA_EPHEMERAL_DH                5
# define SSL3_CT_DSS_EPHEMERAL_DH                6
# define SSL3_CT_FORTEZZA_DMS                    20
/*
 * SSL3_CT_NUMBER is used to size arrays and it must be large enough to
 * contain all of the cert types defined for *either* SSLv3 and TLSv1.
 */
# define SSL3_CT_NUMBER                  10

# if defined(TLS_CT_NUMBER)
#  if TLS_CT_NUMBER != SSL3_CT_NUMBER
#    error "SSL/TLS CT_NUMBER values do not match"
#  endif
# endif

# define SSL3_FLAGS_NO_RENEGOTIATE_CIPHERS       0x0001

/* Removed from OpenSSL 1.1.0 */
# define TLS1_FLAGS_TLS_PADDING_BUG              0x0

# define TLS1_FLAGS_SKIP_CERT_VERIFY             0x0010

/* Set if we encrypt then mac instead of usual mac then encrypt */
# define TLS1_FLAGS_ENCRYPT_THEN_MAC_READ        0x0100
# define TLS1_FLAGS_ENCRYPT_THEN_MAC             TLS1_FLAGS_ENCRYPT_THEN_MAC_READ

/* Set if extended master secret extension received from peer */
# define TLS1_FLAGS_RECEIVED_EXTMS               0x0200

# define TLS1_FLAGS_ENCRYPT_THEN_MAC_WRITE       0x0400

# define SSL3_MT_HELLO_REQUEST                   0
# define SSL3_MT_CLIENT_HELLO                    1
# define SSL3_MT_SERVER_HELLO                    2
# define SSL3_MT_NEWSESSION_TICKET               4
# define SSL3_MT_CERTIFICATE                     11
# define SSL3_MT_SERVER_KEY_EXCHANGE             12
# define SSL3_MT_CERTIFICATE_REQUEST             13
# define SSL3_MT_SERVER_DONE                     14
# define SSL3_MT_CERTIFICATE_VERIFY              15
# define SSL3_MT_CLIENT_KEY_EXCHANGE             16
# define SSL3_MT_FINISHED                        20
# define SSL3_MT_CERTIFICATE_STATUS              22
# ifndef OPENSSL_NO_NEXTPROTONEG
#  define SSL3_MT_NEXT_PROTO                      67
# endif
# define DTLS1_MT_HELLO_VERIFY_REQUEST    3

/* Dummy message type for handling CCS like a normal handshake message */
# define SSL3_MT_CHANGE_CIPHER_SPEC              0x0101

# define SSL3_MT_CCS                             1

/* These are used when changing over to a new cipher */
# define SSL3_CC_READ            0x01
# define SSL3_CC_WRITE           0x02
# define SSL3_CC_CLIENT          0x10
# define SSL3_CC_SERVER          0x20
# define SSL3_CHANGE_CIPHER_CLIENT_WRITE (SSL3_CC_CLIENT|SSL3_CC_WRITE)
# define SSL3_CHANGE_CIPHER_SERVER_READ  (SSL3_CC_SERVER|SSL3_CC_READ)
# define SSL3_CHANGE_CIPHER_CLIENT_READ  (SSL3_CC_CLIENT|SSL3_CC_READ)
# define SSL3_CHANGE_CIPHER_SERVER_WRITE (SSL3_CC_SERVER|SSL3_CC_WRITE)

#ifdef  __cplusplus
}
#endif
#endif