xref: /openbsd/lib/libssl/tls1.h (revision 133306f0)
1 /* ssl/tls1.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 #ifndef HEADER_TLS1_H
60 #define HEADER_TLS1_H
61 
62 #include <openssl/buffer.h>
63 
64 #ifdef  __cplusplus
65 extern "C" {
66 #endif
67 
68 #define TLS1_ALLOW_EXPERIMENTAL_CIPHERSUITES	1
69 
70 #define TLS1_VERSION			0x0301
71 #define TLS1_VERSION_MAJOR		0x03
72 #define TLS1_VERSION_MINOR		0x01
73 
74 #define TLS1_AD_DECRYPTION_FAILED	21
75 #define TLS1_AD_RECORD_OVERFLOW		22
76 #define TLS1_AD_UNKNOWN_CA		48	/* fatal */
77 #define TLS1_AD_ACCESS_DENIED		49	/* fatal */
78 #define TLS1_AD_DECODE_ERROR		50	/* fatal */
79 #define TLS1_AD_DECRYPT_ERROR		51
80 #define TLS1_AD_EXPORT_RESTRICTION	60	/* fatal */
81 #define TLS1_AD_PROTOCOL_VERSION	70	/* fatal */
82 #define TLS1_AD_INSUFFICIENT_SECURITY	71	/* fatal */
83 #define TLS1_AD_INTERNAL_ERROR		80	/* fatal */
84 #define TLS1_AD_USER_CANCELLED		90
85 #define TLS1_AD_NO_RENEGOTIATION	100
86 
87 /* Additional TLS ciphersuites from draft-ietf-tls-56-bit-ciphersuites-00.txt
88  * (available if TLS1_ALLOW_EXPERIMENTAL_CIPHERSUITES is defined, see
89  * s3_lib.c).  We actually treat them like SSL 3.0 ciphers, which we probably
90  * shouldn't. */
91 #define TLS1_CK_RSA_EXPORT1024_WITH_RC4_56_MD5		0x03000060
92 #define TLS1_CK_RSA_EXPORT1024_WITH_RC2_CBC_56_MD5	0x03000061
93 #define TLS1_CK_RSA_EXPORT1024_WITH_DES_CBC_SHA		0x03000062
94 #define TLS1_CK_DHE_DSS_EXPORT1024_WITH_DES_CBC_SHA	0x03000063
95 #define TLS1_CK_RSA_EXPORT1024_WITH_RC4_56_SHA		0x03000064
96 #define TLS1_CK_DHE_DSS_EXPORT1024_WITH_RC4_56_SHA	0x03000065
97 #define TLS1_CK_DHE_DSS_WITH_RC4_128_SHA		0x03000066
98 
99 /* XXX
100  * Inconsistency alert:
101  * The OpenSSL names of ciphers with ephemeral DH here include the string
102  * "DHE", while elsewhere it has always been "EDH".
103  * (The alias for the list of all such ciphers also is "EDH".)
104  * The specifications speak of "EDH"; maybe we should allow both forms
105  * for everything. */
106 #define TLS1_TXT_RSA_EXPORT1024_WITH_RC4_56_MD5		"EXP1024-RC4-MD5"
107 #define TLS1_TXT_RSA_EXPORT1024_WITH_RC2_CBC_56_MD5	"EXP1024-RC2-CBC-MD5"
108 #define TLS1_TXT_RSA_EXPORT1024_WITH_DES_CBC_SHA	"EXP1024-DES-CBC-SHA"
109 #define TLS1_TXT_DHE_DSS_EXPORT1024_WITH_DES_CBC_SHA	"EXP1024-DHE-DSS-DES-CBC-SHA"
110 #define TLS1_TXT_RSA_EXPORT1024_WITH_RC4_56_SHA		"EXP1024-RC4-SHA"
111 #define TLS1_TXT_DHE_DSS_EXPORT1024_WITH_RC4_56_SHA	"EXP1024-DHE-DSS-RC4-SHA"
112 #define TLS1_TXT_DHE_DSS_WITH_RC4_128_SHA		"DHE-DSS-RC4-SHA"
113 
114 
115 #define TLS_CT_RSA_SIGN			1
116 #define TLS_CT_DSS_SIGN			2
117 #define TLS_CT_RSA_FIXED_DH		3
118 #define TLS_CT_DSS_FIXED_DH		4
119 #define TLS_CT_NUMBER			4
120 
121 #define TLS1_FINISH_MAC_LENGTH		12
122 
123 #define TLS_MD_MAX_CONST_SIZE			20
124 #define TLS_MD_CLIENT_FINISH_CONST		"client finished"
125 #define TLS_MD_CLIENT_FINISH_CONST_SIZE		15
126 #define TLS_MD_SERVER_FINISH_CONST		"server finished"
127 #define TLS_MD_SERVER_FINISH_CONST_SIZE		15
128 #define TLS_MD_SERVER_WRITE_KEY_CONST		"server write key"
129 #define TLS_MD_SERVER_WRITE_KEY_CONST_SIZE	16
130 #define TLS_MD_KEY_EXPANSION_CONST		"key expansion"
131 #define TLS_MD_KEY_EXPANSION_CONST_SIZE		13
132 #define TLS_MD_CLIENT_WRITE_KEY_CONST		"client write key"
133 #define TLS_MD_CLIENT_WRITE_KEY_CONST_SIZE	16
134 #define TLS_MD_SERVER_WRITE_KEY_CONST		"server write key"
135 #define TLS_MD_SERVER_WRITE_KEY_CONST_SIZE	16
136 #define TLS_MD_IV_BLOCK_CONST			"IV block"
137 #define TLS_MD_IV_BLOCK_CONST_SIZE		8
138 #define TLS_MD_MASTER_SECRET_CONST		"master secret"
139 #define TLS_MD_MASTER_SECRET_CONST_SIZE		13
140 
141 #ifdef CHARSET_EBCDIC
142 #undef TLS_MD_CLIENT_FINISH_CONST
143 #define TLS_MD_CLIENT_FINISH_CONST    "\x63\x6c\x69\x65\x6e\x74\x20\x66\x69\x6e\x69\x73\x68\x65\x64"  /*client finished*/
144 #undef TLS_MD_SERVER_FINISH_CONST
145 #define TLS_MD_SERVER_FINISH_CONST    "\x73\x65\x72\x76\x65\x72\x20\x66\x69\x6e\x69\x73\x68\x65\x64"  /*server finished*/
146 #undef TLS_MD_SERVER_WRITE_KEY_CONST
147 #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*/
148 #undef TLS_MD_KEY_EXPANSION_CONST
149 #define TLS_MD_KEY_EXPANSION_CONST    "\x6b\x65\x79\x20\x65\x78\x70\x61\x6e\x73\x69\x6f\x6e"  /*key expansion*/
150 #undef TLS_MD_CLIENT_WRITE_KEY_CONST
151 #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*/
152 #undef TLS_MD_SERVER_WRITE_KEY_CONST
153 #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*/
154 #undef TLS_MD_IV_BLOCK_CONST
155 #define TLS_MD_IV_BLOCK_CONST         "\x49\x56\x20\x62\x6c\x6f\x63\x6b"  /*IV block*/
156 #undef TLS_MD_MASTER_SECRET_CONST
157 #define TLS_MD_MASTER_SECRET_CONST    "\x6d\x61\x73\x74\x65\x72\x20\x73\x65\x63\x72\x65\x74"  /*master secret*/
158 #endif
159 
160 #ifdef  __cplusplus
161 }
162 #endif
163 #endif
164 
165