LTKCPP-- LLRP Toolkit C Plus Plus Library
ssl2.h
1 /* ssl/ssl2.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_SSL2_H
60 # define HEADER_SSL2_H
61 
62 #ifdef __cplusplus
63 extern "C" {
64 #endif
65 
66 /* Protocol Version Codes */
67 # define SSL2_VERSION 0x0002
68 # define SSL2_VERSION_MAJOR 0x00
69 # define SSL2_VERSION_MINOR 0x02
70 /* #define SSL2_CLIENT_VERSION 0x0002 */
71 /* #define SSL2_SERVER_VERSION 0x0002 */
72 
73 /* Protocol Message Codes */
74 # define SSL2_MT_ERROR 0
75 # define SSL2_MT_CLIENT_HELLO 1
76 # define SSL2_MT_CLIENT_MASTER_KEY 2
77 # define SSL2_MT_CLIENT_FINISHED 3
78 # define SSL2_MT_SERVER_HELLO 4
79 # define SSL2_MT_SERVER_VERIFY 5
80 # define SSL2_MT_SERVER_FINISHED 6
81 # define SSL2_MT_REQUEST_CERTIFICATE 7
82 # define SSL2_MT_CLIENT_CERTIFICATE 8
83 
84 /* Error Message Codes */
85 # define SSL2_PE_UNDEFINED_ERROR 0x0000
86 # define SSL2_PE_NO_CIPHER 0x0001
87 # define SSL2_PE_NO_CERTIFICATE 0x0002
88 # define SSL2_PE_BAD_CERTIFICATE 0x0004
89 # define SSL2_PE_UNSUPPORTED_CERTIFICATE_TYPE 0x0006
90 
91 /* Cipher Kind Values */
92 # define SSL2_CK_NULL_WITH_MD5 0x02000000/* v3 */
93 # define SSL2_CK_RC4_128_WITH_MD5 0x02010080
94 # define SSL2_CK_RC4_128_EXPORT40_WITH_MD5 0x02020080
95 # define SSL2_CK_RC2_128_CBC_WITH_MD5 0x02030080
96 # define SSL2_CK_RC2_128_CBC_EXPORT40_WITH_MD5 0x02040080
97 # define SSL2_CK_IDEA_128_CBC_WITH_MD5 0x02050080
98 # define SSL2_CK_DES_64_CBC_WITH_MD5 0x02060040
99 # define SSL2_CK_DES_64_CBC_WITH_SHA 0x02060140/* v3 */
100 # define SSL2_CK_DES_192_EDE3_CBC_WITH_MD5 0x020700c0
101 # define SSL2_CK_DES_192_EDE3_CBC_WITH_SHA 0x020701c0/* v3 */
102 # define SSL2_CK_RC4_64_WITH_MD5 0x02080080/* MS hack */
103 
104 # define SSL2_CK_DES_64_CFB64_WITH_MD5_1 0x02ff0800/* SSLeay */
105 # define SSL2_CK_NULL 0x02ff0810/* SSLeay */
106 
107 # define SSL2_TXT_DES_64_CFB64_WITH_MD5_1 "DES-CFB-M1"
108 # define SSL2_TXT_NULL_WITH_MD5 "NULL-MD5"
109 # define SSL2_TXT_RC4_128_WITH_MD5 "RC4-MD5"
110 # define SSL2_TXT_RC4_128_EXPORT40_WITH_MD5 "EXP-RC4-MD5"
111 # define SSL2_TXT_RC2_128_CBC_WITH_MD5 "RC2-CBC-MD5"
112 # define SSL2_TXT_RC2_128_CBC_EXPORT40_WITH_MD5 "EXP-RC2-CBC-MD5"
113 # define SSL2_TXT_IDEA_128_CBC_WITH_MD5 "IDEA-CBC-MD5"
114 # define SSL2_TXT_DES_64_CBC_WITH_MD5 "DES-CBC-MD5"
115 # define SSL2_TXT_DES_64_CBC_WITH_SHA "DES-CBC-SHA"
116 # define SSL2_TXT_DES_192_EDE3_CBC_WITH_MD5 "DES-CBC3-MD5"
117 # define SSL2_TXT_DES_192_EDE3_CBC_WITH_SHA "DES-CBC3-SHA"
118 # define SSL2_TXT_RC4_64_WITH_MD5 "RC4-64-MD5"
119 
120 # define SSL2_TXT_NULL "NULL"
121 
122 /* Flags for the SSL_CIPHER.algorithm2 field */
123 # define SSL2_CF_5_BYTE_ENC 0x01
124 # define SSL2_CF_8_BYTE_ENC 0x02
125 
126 /* Certificate Type Codes */
127 # define SSL2_CT_X509_CERTIFICATE 0x01
128 
129 /* Authentication Type Code */
130 # define SSL2_AT_MD5_WITH_RSA_ENCRYPTION 0x01
131 
132 # define SSL2_MAX_SSL_SESSION_ID_LENGTH 32
133 
134 /* Upper/Lower Bounds */
135 # define SSL2_MAX_MASTER_KEY_LENGTH_IN_BITS 256
136 # ifdef OPENSSL_SYS_MPE
137 # define SSL2_MAX_RECORD_LENGTH_2_BYTE_HEADER 29998u
138 # else
139 # define SSL2_MAX_RECORD_LENGTH_2_BYTE_HEADER 32767u
140  /* 2^15-1 */
141 # endif
142 # define SSL2_MAX_RECORD_LENGTH_3_BYTE_HEADER 16383/* 2^14-1 */
143 
144 # define SSL2_CHALLENGE_LENGTH 16
145 /*
146  * #define SSL2_CHALLENGE_LENGTH 32
147  */
148 # define SSL2_MIN_CHALLENGE_LENGTH 16
149 # define SSL2_MAX_CHALLENGE_LENGTH 32
150 # define SSL2_CONNECTION_ID_LENGTH 16
151 # define SSL2_MAX_CONNECTION_ID_LENGTH 16
152 # define SSL2_SSL_SESSION_ID_LENGTH 16
153 # define SSL2_MAX_CERT_CHALLENGE_LENGTH 32
154 # define SSL2_MIN_CERT_CHALLENGE_LENGTH 16
155 # define SSL2_MAX_KEY_MATERIAL_LENGTH 24
156 
157 # ifndef HEADER_SSL_LOCL_H
158 # define CERT char
159 # endif
160 
161 # ifndef OPENSSL_NO_SSL_INTERN
162 
163 typedef struct ssl2_state_st {
164  int three_byte_header;
165  int clear_text; /* clear text */
166  int escape; /* not used in SSLv2 */
167  int ssl2_rollback; /* used if SSLv23 rolled back to SSLv2 */
168  /*
169  * non-blocking io info, used to make sure the same args were passwd
170  */
171  unsigned int wnum; /* number of bytes sent so far */
172  int wpend_tot;
173  const unsigned char *wpend_buf;
174  int wpend_off; /* offset to data to write */
175  int wpend_len; /* number of bytes passwd to write */
176  int wpend_ret; /* number of bytes to return to caller */
177  /* buffer raw data */
178  int rbuf_left;
179  int rbuf_offs;
180  unsigned char *rbuf;
181  unsigned char *wbuf;
182  unsigned char *write_ptr; /* used to point to the start due to 2/3 byte
183  * header. */
184  unsigned int padding;
185  unsigned int rlength; /* passed to ssl2_enc */
186  int ract_data_length; /* Set when things are encrypted. */
187  unsigned int wlength; /* passed to ssl2_enc */
188  int wact_data_length; /* Set when things are decrypted. */
189  unsigned char *ract_data;
190  unsigned char *wact_data;
191  unsigned char *mac_data;
192  unsigned char *read_key;
193  unsigned char *write_key;
194  /* Stuff specifically to do with this SSL session */
195  unsigned int challenge_length;
196  unsigned char challenge[SSL2_MAX_CHALLENGE_LENGTH];
197  unsigned int conn_id_length;
198  unsigned char conn_id[SSL2_MAX_CONNECTION_ID_LENGTH];
199  unsigned int key_material_length;
200  unsigned char key_material[SSL2_MAX_KEY_MATERIAL_LENGTH * 2];
201  unsigned long read_sequence;
202  unsigned long write_sequence;
203  struct {
204  unsigned int conn_id_length;
205  unsigned int cert_type;
206  unsigned int cert_length;
207  unsigned int csl;
208  unsigned int clear;
209  unsigned int enc;
210  unsigned char ccl[SSL2_MAX_CERT_CHALLENGE_LENGTH];
211  unsigned int cipher_spec_length;
212  unsigned int session_id_length;
213  unsigned int clen;
214  unsigned int rlen;
215  } tmp;
216 } SSL2_STATE;
217 
218 # endif
219 
220 /* SSLv2 */
221 /* client */
222 # define SSL2_ST_SEND_CLIENT_HELLO_A (0x10|SSL_ST_CONNECT)
223 # define SSL2_ST_SEND_CLIENT_HELLO_B (0x11|SSL_ST_CONNECT)
224 # define SSL2_ST_GET_SERVER_HELLO_A (0x20|SSL_ST_CONNECT)
225 # define SSL2_ST_GET_SERVER_HELLO_B (0x21|SSL_ST_CONNECT)
226 # define SSL2_ST_SEND_CLIENT_MASTER_KEY_A (0x30|SSL_ST_CONNECT)
227 # define SSL2_ST_SEND_CLIENT_MASTER_KEY_B (0x31|SSL_ST_CONNECT)
228 # define SSL2_ST_SEND_CLIENT_FINISHED_A (0x40|SSL_ST_CONNECT)
229 # define SSL2_ST_SEND_CLIENT_FINISHED_B (0x41|SSL_ST_CONNECT)
230 # define SSL2_ST_SEND_CLIENT_CERTIFICATE_A (0x50|SSL_ST_CONNECT)
231 # define SSL2_ST_SEND_CLIENT_CERTIFICATE_B (0x51|SSL_ST_CONNECT)
232 # define SSL2_ST_SEND_CLIENT_CERTIFICATE_C (0x52|SSL_ST_CONNECT)
233 # define SSL2_ST_SEND_CLIENT_CERTIFICATE_D (0x53|SSL_ST_CONNECT)
234 # define SSL2_ST_GET_SERVER_VERIFY_A (0x60|SSL_ST_CONNECT)
235 # define SSL2_ST_GET_SERVER_VERIFY_B (0x61|SSL_ST_CONNECT)
236 # define SSL2_ST_GET_SERVER_FINISHED_A (0x70|SSL_ST_CONNECT)
237 # define SSL2_ST_GET_SERVER_FINISHED_B (0x71|SSL_ST_CONNECT)
238 # define SSL2_ST_CLIENT_START_ENCRYPTION (0x80|SSL_ST_CONNECT)
239 # define SSL2_ST_X509_GET_CLIENT_CERTIFICATE (0x90|SSL_ST_CONNECT)
240 /* server */
241 # define SSL2_ST_GET_CLIENT_HELLO_A (0x10|SSL_ST_ACCEPT)
242 # define SSL2_ST_GET_CLIENT_HELLO_B (0x11|SSL_ST_ACCEPT)
243 # define SSL2_ST_GET_CLIENT_HELLO_C (0x12|SSL_ST_ACCEPT)
244 # define SSL2_ST_SEND_SERVER_HELLO_A (0x20|SSL_ST_ACCEPT)
245 # define SSL2_ST_SEND_SERVER_HELLO_B (0x21|SSL_ST_ACCEPT)
246 # define SSL2_ST_GET_CLIENT_MASTER_KEY_A (0x30|SSL_ST_ACCEPT)
247 # define SSL2_ST_GET_CLIENT_MASTER_KEY_B (0x31|SSL_ST_ACCEPT)
248 # define SSL2_ST_SEND_SERVER_VERIFY_A (0x40|SSL_ST_ACCEPT)
249 # define SSL2_ST_SEND_SERVER_VERIFY_B (0x41|SSL_ST_ACCEPT)
250 # define SSL2_ST_SEND_SERVER_VERIFY_C (0x42|SSL_ST_ACCEPT)
251 # define SSL2_ST_GET_CLIENT_FINISHED_A (0x50|SSL_ST_ACCEPT)
252 # define SSL2_ST_GET_CLIENT_FINISHED_B (0x51|SSL_ST_ACCEPT)
253 # define SSL2_ST_SEND_SERVER_FINISHED_A (0x60|SSL_ST_ACCEPT)
254 # define SSL2_ST_SEND_SERVER_FINISHED_B (0x61|SSL_ST_ACCEPT)
255 # define SSL2_ST_SEND_REQUEST_CERTIFICATE_A (0x70|SSL_ST_ACCEPT)
256 # define SSL2_ST_SEND_REQUEST_CERTIFICATE_B (0x71|SSL_ST_ACCEPT)
257 # define SSL2_ST_SEND_REQUEST_CERTIFICATE_C (0x72|SSL_ST_ACCEPT)
258 # define SSL2_ST_SEND_REQUEST_CERTIFICATE_D (0x73|SSL_ST_ACCEPT)
259 # define SSL2_ST_SERVER_START_ENCRYPTION (0x80|SSL_ST_ACCEPT)
260 # define SSL2_ST_X509_GET_SERVER_CERTIFICATE (0x90|SSL_ST_ACCEPT)
261 
262 #ifdef __cplusplus
263 }
264 #endif
265 #endif