2 * ssl manipulation functions
3 * By Paolo Abeni <paolo.abeni@email.com>
7 * Wireshark - Network traffic analyzer
8 * By Gerald Combs <gerald@wireshark.org>
9 * Copyright 1998 Gerald Combs
11 * This program is free software; you can redistribute it and/or
12 * modify it under the terms of the GNU General Public License
13 * as published by the Free Software Foundation; either version 2
14 * of the License, or (at your option) any later version.
16 * This program is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 * GNU General Public License for more details.
21 * You should have received a copy of the GNU General Public License
22 * along with this program; if not, write to the Free Software
23 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
36 #include "packet-ssl-utils.h"
38 #include <epan/emem.h>
39 #include <epan/strutil.h>
40 #include <wsutil/file_util.h>
45 const value_string ssl_version_short_names[] = {
46 { SSL_VER_UNKNOWN, "SSL" },
47 { SSL_VER_SSLv2, "SSLv2" },
48 { SSL_VER_SSLv3, "SSLv3" },
49 { SSL_VER_TLS, "TLSv1" },
50 { SSL_VER_TLSv1DOT1, "TLSv1.1" },
51 { SSL_VER_DTLS, "DTLSv1.0" },
52 { SSL_VER_PCT, "PCT" },
53 { SSL_VER_TLSv1DOT2, "TLSv1.2" },
57 const value_string ssl_20_msg_types[] = {
58 { SSL2_HND_ERROR, "Error" },
59 { SSL2_HND_CLIENT_HELLO, "Client Hello" },
60 { SSL2_HND_CLIENT_MASTER_KEY, "Client Master Key" },
61 { SSL2_HND_CLIENT_FINISHED, "Client Finished" },
62 { SSL2_HND_SERVER_HELLO, "Server Hello" },
63 { SSL2_HND_SERVER_VERIFY, "Server Verify" },
64 { SSL2_HND_SERVER_FINISHED, "Server Finished" },
65 { SSL2_HND_REQUEST_CERTIFICATE, "Request Certificate" },
66 { SSL2_HND_CLIENT_CERTIFICATE, "Client Certificate" },
69 /* http://www.iana.org/assignments/tls-parameters/tls-parameters.xhtml */
70 const value_string ssl_20_cipher_suites[] = {
71 { 0x010080, "SSL2_RC4_128_WITH_MD5" },
72 { 0x020080, "SSL2_RC4_128_EXPORT40_WITH_MD5" },
73 { 0x030080, "SSL2_RC2_CBC_128_CBC_WITH_MD5" },
74 { 0x040080, "SSL2_RC2_CBC_128_CBC_WITH_MD5" },
75 { 0x050080, "SSL2_IDEA_128_CBC_WITH_MD5" },
76 { 0x060040, "SSL2_DES_64_CBC_WITH_MD5" },
77 { 0x0700c0, "SSL2_DES_192_EDE3_CBC_WITH_MD5" },
78 { 0x080080, "SSL2_RC4_64_WITH_MD5" },
79 { 0x000000, "TLS_NULL_WITH_NULL_NULL" },
80 { 0x000001, "TLS_RSA_WITH_NULL_MD5" },
81 { 0x000002, "TLS_RSA_WITH_NULL_SHA" },
82 { 0x000003, "TLS_RSA_EXPORT_WITH_RC4_40_MD5" },
83 { 0x000004, "TLS_RSA_WITH_RC4_128_MD5" },
84 { 0x000005, "TLS_RSA_WITH_RC4_128_SHA" },
85 { 0x000006, "TLS_RSA_EXPORT_WITH_RC2_CBC_40_MD5" },
86 { 0x000007, "TLS_RSA_WITH_IDEA_CBC_SHA" },
87 { 0x000008, "TLS_RSA_EXPORT_WITH_DES40_CBC_SHA" },
88 { 0x000009, "TLS_RSA_WITH_DES_CBC_SHA" },
89 { 0x00000a, "TLS_RSA_WITH_3DES_EDE_CBC_SHA" },
90 { 0x00000b, "TLS_DH_DSS_EXPORT_WITH_DES40_CBC_SHA" },
91 { 0x00000c, "TLS_DH_DSS_WITH_DES_CBC_SHA" },
92 { 0x00000d, "TLS_DH_DSS_WITH_3DES_EDE_CBC_SHA" },
93 { 0x00000e, "TLS_DH_RSA_EXPORT_WITH_DES40_CBC_SHA" },
94 { 0x00000f, "TLS_DH_RSA_WITH_DES_CBC_SHA" },
95 { 0x000010, "TLS_DH_RSA_WITH_3DES_EDE_CBC_SHA" },
96 { 0x000011, "TLS_DHE_DSS_EXPORT_WITH_DES40_CBC_SHA" },
97 { 0x000012, "TLS_DHE_DSS_WITH_DES_CBC_SHA" },
98 { 0x000013, "TLS_DHE_DSS_WITH_3DES_EDE_CBC_SHA" },
99 { 0x000014, "TLS_DHE_RSA_EXPORT_WITH_DES40_CBC_SHA" },
100 { 0x000015, "TLS_DHE_RSA_WITH_DES_CBC_SHA" },
101 { 0x000016, "TLS_DHE_RSA_WITH_3DES_EDE_CBC_SHA" },
102 { 0x000017, "TLS_DH_anon_EXPORT_WITH_RC4_40_MD5" },
103 { 0x000018, "TLS_DH_anon_WITH_RC4_128_MD5" },
104 { 0x000019, "TLS_DH_anon_EXPORT_WITH_DES40_CBC_SHA" },
105 { 0x00001a, "TLS_DH_anon_WITH_DES_CBC_SHA" },
106 { 0x00001b, "TLS_DH_anon_WITH_3DES_EDE_CBC_SHA" },
107 { 0x00001c, "SSL_FORTEZZA_KEA_WITH_NULL_SHA" },
108 { 0x00001d, "SSL_FORTEZZA_KEA_WITH_FORTEZZA_CBC_SHA" },
110 { 0x00001e, "SSL_FORTEZZA_KEA_WITH_RC4_128_SHA" },
113 { 0x00001E, "TLS_KRB5_WITH_DES_CBC_SHA" },
114 { 0x00001F, "TLS_KRB5_WITH_3DES_EDE_CBC_SHA" },
115 { 0x000020, "TLS_KRB5_WITH_RC4_128_SHA" },
116 { 0x000021, "TLS_KRB5_WITH_IDEA_CBC_SHA" },
117 { 0x000022, "TLS_KRB5_WITH_DES_CBC_MD5" },
118 { 0x000023, "TLS_KRB5_WITH_3DES_EDE_CBC_MD5" },
119 { 0x000024, "TLS_KRB5_WITH_RC4_128_MD5" },
120 { 0x000025, "TLS_KRB5_WITH_IDEA_CBC_MD5" },
121 { 0x000026, "TLS_KRB5_EXPORT_WITH_DES_CBC_40_SHA" },
122 { 0x000027, "TLS_KRB5_EXPORT_WITH_RC2_CBC_40_SHA" },
123 { 0x000028, "TLS_KRB5_EXPORT_WITH_RC4_40_SHA" },
124 { 0x000029, "TLS_KRB5_EXPORT_WITH_DES_CBC_40_MD5" },
125 { 0x00002A, "TLS_KRB5_EXPORT_WITH_RC2_CBC_40_MD5" },
126 { 0x00002B, "TLS_KRB5_EXPORT_WITH_RC4_40_MD5" },
128 { 0x00002C, "TLS_PSK_WITH_NULL_SHA" },
129 { 0x00002D, "TLS_DHE_PSK_WITH_NULL_SHA" },
130 { 0x00002E, "TLS_RSA_PSK_WITH_NULL_SHA" },
132 { 0x00002f, "TLS_RSA_WITH_AES_128_CBC_SHA" },
133 { 0x000030, "TLS_DH_DSS_WITH_AES_128_CBC_SHA" },
134 { 0x000031, "TLS_DH_RSA_WITH_AES_128_CBC_SHA" },
135 { 0x000032, "TLS_DHE_DSS_WITH_AES_128_CBC_SHA" },
136 { 0x000033, "TLS_DHE_RSA_WITH_AES_128_CBC_SHA" },
137 { 0x000034, "TLS_DH_anon_WITH_AES_128_CBC_SHA" },
138 { 0x000035, "TLS_RSA_WITH_AES_256_CBC_SHA" },
139 { 0x000036, "TLS_DH_DSS_WITH_AES_256_CBC_SHA" },
140 { 0x000037, "TLS_DH_RSA_WITH_AES_256_CBC_SHA" },
141 { 0x000038, "TLS_DHE_DSS_WITH_AES_256_CBC_SHA" },
142 { 0x000039, "TLS_DHE_RSA_WITH_AES_256_CBC_SHA" },
143 { 0x00003A, "TLS_DH_anon_WITH_AES_256_CBC_SHA" },
144 { 0x00003B, "TLS_RSA_WITH_NULL_SHA256" },
145 { 0x00003C, "TLS_RSA_WITH_AES_128_CBC_SHA256" },
146 { 0x00003D, "TLS_RSA_WITH_AES_256_CBC_SHA256" },
147 { 0x00003E, "TLS_DH_DSS_WITH_AES_128_CBC_SHA256" },
148 { 0x00003F, "TLS_DH_RSA_WITH_AES_128_CBC_SHA256" },
149 { 0x000040, "TLS_DHE_DSS_WITH_AES_128_CBC_SHA256" },
150 { 0x000041, "TLS_RSA_WITH_CAMELLIA_128_CBC_SHA" },
151 { 0x000042, "TLS_DH_DSS_WITH_CAMELLIA_128_CBC_SHA" },
152 { 0x000043, "TLS_DH_RSA_WITH_CAMELLIA_128_CBC_SHA" },
153 { 0x000044, "TLS_DHE_DSS_WITH_CAMELLIA_128_CBC_SHA" },
154 { 0x000045, "TLS_DHE_RSA_WITH_CAMELLIA_128_CBC_SHA" },
155 { 0x000046, "TLS_DH_anon_WITH_CAMELLIA_128_CBC_SHA" },
156 { 0x000047, "TLS_ECDH_ECDSA_WITH_NULL_SHA" },
157 { 0x000048, "TLS_ECDH_ECDSA_WITH_RC4_128_SHA" },
158 { 0x000049, "TLS_ECDH_ECDSA_WITH_DES_CBC_SHA" },
159 { 0x00004A, "TLS_ECDH_ECDSA_WITH_3DES_EDE_CBC_SHA" },
160 { 0x00004B, "TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA" },
161 { 0x00004C, "TLS_ECDH_ECDSA_WITH_AES_256_CBC_SHA" },
162 { 0x000060, "TLS_RSA_EXPORT1024_WITH_RC4_56_MD5" },
163 { 0x000061, "TLS_RSA_EXPORT1024_WITH_RC2_CBC_56_MD5" },
164 { 0x000062, "TLS_RSA_EXPORT1024_WITH_DES_CBC_SHA" },
165 { 0x000063, "TLS_DHE_DSS_EXPORT1024_WITH_DES_CBC_SHA" },
166 { 0x000064, "TLS_RSA_EXPORT1024_WITH_RC4_56_SHA" },
167 { 0x000065, "TLS_DHE_DSS_EXPORT1024_WITH_RC4_56_SHA" },
168 { 0x000066, "TLS_DHE_DSS_WITH_RC4_128_SHA" },
169 { 0x000067, "TLS_DHE_RSA_WITH_AES_128_CBC_SHA256" },
170 { 0x000068, "TLS_DH_DSS_WITH_AES_256_CBC_SHA256" },
171 { 0x000069, "TLS_DH_RSA_WITH_AES_256_CBC_SHA256" },
172 { 0x00006A, "TLS_DHE_DSS_WITH_AES_256_CBC_SHA256" },
173 { 0x00006B, "TLS_DHE_RSA_WITH_AES_256_CBC_SHA256" },
174 { 0x00006C, "TLS_DH_anon_WITH_AES_128_CBC_SHA256" },
175 { 0x00006D, "TLS_DH_anon_WITH_AES_256_CBC_SHA256" },
176 /* 0x00,0x6E-83 Unassigned */
177 { 0x000084, "TLS_RSA_WITH_CAMELLIA_256_CBC_SHA" },
178 { 0x000085, "TLS_DH_DSS_WITH_CAMELLIA_256_CBC_SHA" },
179 { 0x000086, "TLS_DH_RSA_WITH_CAMELLIA_256_CBC_SHA" },
180 { 0x000087, "TLS_DHE_DSS_WITH_CAMELLIA_256_CBC_SHA" },
181 { 0x000088, "TLS_DHE_RSA_WITH_CAMELLIA_256_CBC_SHA" },
182 { 0x000089, "TLS_DH_anon_WITH_CAMELLIA_256_CBC_SHA" },
184 { 0x00008A, "TLS_PSK_WITH_RC4_128_SHA" },
185 { 0x00008B, "TLS_PSK_WITH_3DES_EDE_CBC_SHA" },
186 { 0x00008C, "TLS_PSK_WITH_AES_128_CBC_SHA" },
187 { 0x00008D, "TLS_PSK_WITH_AES_256_CBC_SHA" },
188 { 0x00008E, "TLS_DHE_PSK_WITH_RC4_128_SHA" },
189 { 0x00008F, "TLS_DHE_PSK_WITH_3DES_EDE_CBC_SHA" },
190 { 0x000090, "TLS_DHE_PSK_WITH_AES_128_CBC_SHA" },
191 { 0x000091, "TLS_DHE_PSK_WITH_AES_256_CBC_SHA" },
192 { 0x000092, "TLS_RSA_PSK_WITH_RC4_128_SHA" },
193 { 0x000093, "TLS_RSA_PSK_WITH_3DES_EDE_CBC_SHA" },
194 { 0x000094, "TLS_RSA_PSK_WITH_AES_128_CBC_SHA" },
195 { 0x000095, "TLS_RSA_PSK_WITH_AES_256_CBC_SHA" },
197 { 0x000096, "TLS_RSA_WITH_SEED_CBC_SHA" },
198 { 0x000097, "TLS_DH_DSS_WITH_SEED_CBC_SHA" },
199 { 0x000098, "TLS_DH_RSA_WITH_SEED_CBC_SHA" },
200 { 0x000099, "TLS_DHE_DSS_WITH_SEED_CBC_SHA" },
201 { 0x00009A, "TLS_DHE_RSA_WITH_SEED_CBC_SHA" },
202 { 0x00009B, "TLS_DH_anon_WITH_SEED_CBC_SHA" },
204 { 0x00009C, "TLS_RSA_WITH_AES_128_GCM_SHA256" },
205 { 0x00009D, "TLS_RSA_WITH_AES_256_GCM_SHA384" },
206 { 0x00009E, "TLS_DHE_RSA_WITH_AES_128_GCM_SHA256" },
207 { 0x00009F, "TLS_DHE_RSA_WITH_AES_256_GCM_SHA384" },
208 { 0x0000A0, "TLS_DH_RSA_WITH_AES_128_GCM_SHA256" },
209 { 0x0000A1, "TLS_DH_RSA_WITH_AES_256_GCM_SHA384" },
210 { 0x0000A2, "TLS_DHE_DSS_WITH_AES_128_GCM_SHA256" },
211 { 0x0000A3, "TLS_DHE_DSS_WITH_AES_256_GCM_SHA384" },
212 { 0x0000A4, "TLS_DH_DSS_WITH_AES_128_GCM_SHA256" },
213 { 0x0000A5, "TLS_DH_DSS_WITH_AES_256_GCM_SHA384" },
214 { 0x0000A6, "TLS_DH_anon_WITH_AES_128_GCM_SHA256" },
215 { 0x0000A7, "TLS_DH_anon_WITH_AES_256_GCM_SHA384" },
217 { 0x0000A8, "TLS_PSK_WITH_AES_128_GCM_SHA256" },
218 { 0x0000A9, "TLS_PSK_WITH_AES_256_GCM_SHA384" },
219 { 0x0000AA, "TLS_DHE_PSK_WITH_AES_128_GCM_SHA256" },
220 { 0x0000AB, "TLS_DHE_PSK_WITH_AES_256_GCM_SHA384" },
221 { 0x0000AC, "TLS_RSA_PSK_WITH_AES_128_GCM_SHA256" },
222 { 0x0000AD, "TLS_RSA_PSK_WITH_AES_256_GCM_SHA384" },
223 { 0x0000AE, "TLS_PSK_WITH_AES_128_CBC_SHA256" },
224 { 0x0000AF, "TLS_PSK_WITH_AES_256_CBC_SHA384" },
225 { 0x0000B0, "TLS_PSK_WITH_NULL_SHA256" },
226 { 0x0000B1, "TLS_PSK_WITH_NULL_SHA384" },
227 { 0x0000B2, "TLS_DHE_PSK_WITH_AES_128_CBC_SHA256" },
228 { 0x0000B3, "TLS_DHE_PSK_WITH_AES_256_CBC_SHA384" },
229 { 0x0000B4, "TLS_DHE_PSK_WITH_NULL_SHA256" },
230 { 0x0000B5, "TLS_DHE_PSK_WITH_NULL_SHA384" },
231 { 0x0000B6, "TLS_RSA_PSK_WITH_AES_128_CBC_SHA256" },
232 { 0x0000B7, "TLS_RSA_PSK_WITH_AES_256_CBC_SHA384" },
233 { 0x0000B8, "TLS_RSA_PSK_WITH_NULL_SHA256" },
234 { 0x0000B9, "TLS_RSA_PSK_WITH_NULL_SHA384" },
236 { 0x0000BA, "TLS_RSA_WITH_CAMELLIA_128_CBC_SHA256" },
237 { 0x0000BB, "TLS_DH_DSS_WITH_CAMELLIA_128_CBC_SHA256" },
238 { 0x0000BC, "TLS_DH_RSA_WITH_CAMELLIA_128_CBC_SHA256" },
239 { 0x0000BD, "TLS_DHE_DSS_WITH_CAMELLIA_128_CBC_SHA256" },
240 { 0x0000BE, "TLS_DHE_RSA_WITH_CAMELLIA_128_CBC_SHA256" },
241 { 0x0000BF, "TLS_DH_anon_WITH_CAMELLIA_128_CBC_SHA256" },
242 { 0x0000C0, "TLS_RSA_WITH_CAMELLIA_256_CBC_SHA256" },
243 { 0x0000C1, "TLS_DH_DSS_WITH_CAMELLIA_256_CBC_SHA256" },
244 { 0x0000C2, "TLS_DH_RSA_WITH_CAMELLIA_256_CBC_SHA256" },
245 { 0x0000C3, "TLS_DHE_DSS_WITH_CAMELLIA_256_CBC_SHA256" },
246 { 0x0000C4, "TLS_DHE_RSA_WITH_CAMELLIA_256_CBC_SHA256" },
247 { 0x0000C5, "TLS_DH_anon_WITH_CAMELLIA_256_CBC_SHA256" },
248 /* 0x00,0xC6-FE Unassigned */
249 { 0x0000FF, "TLS_EMPTY_RENEGOTIATION_INFO_SCSV" },
250 /* 0x01-BF,* Unassigned */
252 { 0x00c001, "TLS_ECDH_ECDSA_WITH_NULL_SHA" },
253 { 0x00c002, "TLS_ECDH_ECDSA_WITH_RC4_128_SHA" },
254 { 0x00c003, "TLS_ECDH_ECDSA_WITH_3DES_EDE_CBC_SHA" },
255 { 0x00c004, "TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA" },
256 { 0x00c005, "TLS_ECDH_ECDSA_WITH_AES_256_CBC_SHA" },
257 { 0x00c006, "TLS_ECDHE_ECDSA_WITH_NULL_SHA" },
258 { 0x00c007, "TLS_ECDHE_ECDSA_WITH_RC4_128_SHA" },
259 { 0x00c008, "TLS_ECDHE_ECDSA_WITH_3DES_EDE_CBC_SHA" },
260 { 0x00c009, "TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA" },
261 { 0x00c00a, "TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA" },
262 { 0x00c00b, "TLS_ECDH_RSA_WITH_NULL_SHA" },
263 { 0x00c00c, "TLS_ECDH_RSA_WITH_RC4_128_SHA" },
264 { 0x00c00d, "TLS_ECDH_RSA_WITH_3DES_EDE_CBC_SHA" },
265 { 0x00c00e, "TLS_ECDH_RSA_WITH_AES_128_CBC_SHA" },
266 { 0x00c00f, "TLS_ECDH_RSA_WITH_AES_256_CBC_SHA" },
267 { 0x00c010, "TLS_ECDHE_RSA_WITH_NULL_SHA" },
268 { 0x00c011, "TLS_ECDHE_RSA_WITH_RC4_128_SHA" },
269 { 0x00c012, "TLS_ECDHE_RSA_WITH_3DES_EDE_CBC_SHA" },
270 { 0x00c013, "TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA" },
271 { 0x00c014, "TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA" },
272 { 0x00c015, "TLS_ECDH_anon_WITH_NULL_SHA" },
273 { 0x00c016, "TLS_ECDH_anon_WITH_RC4_128_SHA" },
274 { 0x00c017, "TLS_ECDH_anon_WITH_3DES_EDE_CBC_SHA" },
275 { 0x00c018, "TLS_ECDH_anon_WITH_AES_128_CBC_SHA" },
276 { 0x00c019, "TLS_ECDH_anon_WITH_AES_256_CBC_SHA" },
278 { 0x00C01A, "TLS_SRP_SHA_WITH_3DES_EDE_CBC_SHA" },
279 { 0x00C01B, "TLS_SRP_SHA_RSA_WITH_3DES_EDE_CBC_SHA" },
280 { 0x00C01C, "TLS_SRP_SHA_DSS_WITH_3DES_EDE_CBC_SHA" },
281 { 0x00C01D, "TLS_SRP_SHA_WITH_AES_128_CBC_SHA" },
282 { 0x00C01E, "TLS_SRP_SHA_RSA_WITH_AES_128_CBC_SHA" },
283 { 0x00C01F, "TLS_SRP_SHA_DSS_WITH_AES_128_CBC_SHA" },
284 { 0x00C020, "TLS_SRP_SHA_WITH_AES_256_CBC_SHA" },
285 { 0x00C021, "TLS_SRP_SHA_RSA_WITH_AES_256_CBC_SHA" },
286 { 0x00C022, "TLS_SRP_SHA_DSS_WITH_AES_256_CBC_SHA" },
288 { 0x00C023, "TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256" },
289 { 0x00C024, "TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA384" },
290 { 0x00C025, "TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA256" },
291 { 0x00C026, "TLS_ECDH_ECDSA_WITH_AES_256_CBC_SHA384" },
292 { 0x00C027, "TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256" },
293 { 0x00C028, "TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384" },
294 { 0x00C029, "TLS_ECDH_RSA_WITH_AES_128_CBC_SHA256" },
295 { 0x00C02A, "TLS_ECDH_RSA_WITH_AES_256_CBC_SHA384" },
296 { 0x00C02B, "TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256" },
297 { 0x00C02C, "TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384" },
298 { 0x00C02D, "TLS_ECDH_ECDSA_WITH_AES_128_GCM_SHA256" },
299 { 0x00C02E, "TLS_ECDH_ECDSA_WITH_AES_256_GCM_SHA384" },
300 { 0x00C02F, "TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256" },
301 { 0x00C030, "TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384" },
302 { 0x00C031, "TLS_ECDH_RSA_WITH_AES_128_GCM_SHA256" },
303 { 0x00C032, "TLS_ECDH_RSA_WITH_AES_256_GCM_SHA384" },
305 { 0x00C033, "TLS_ECDHE_PSK_WITH_RC4_128_SHA" },
306 { 0x00C034, "TLS_ECDHE_PSK_WITH_3DES_EDE_CBC_SHA" },
307 { 0x00C035, "TLS_ECDHE_PSK_WITH_AES_128_CBC_SHA" },
308 { 0x00C036, "TLS_ECDHE_PSK_WITH_AES_256_CBC_SHA" },
309 { 0x00C037, "TLS_ECDHE_PSK_WITH_AES_128_CBC_SHA256" },
310 { 0x00C038, "TLS_ECDHE_PSK_WITH_AES_256_CBC_SHA384" },
311 { 0x00C039, "TLS_ECDHE_PSK_WITH_NULL_SHA" },
312 { 0x00C03A, "TLS_ECDHE_PSK_WITH_NULL_SHA256" },
313 { 0x00C03B, "TLS_ECDHE_PSK_WITH_NULL_SHA384" },
314 /* 0xC0,0x3C-FF Unassigned
316 0xFE,0x00-FD Unassigned
317 0xFE,0xFE-FF Reserved to avoid conflicts with widely deployed implementations [Pasi_Eronen]
318 0xFF,0x00-FF Reserved for Private Use [RFC5246]
321 /* these from http://www.mozilla.org/projects/
322 security/pki/nss/ssl/fips-ssl-ciphersuites.html */
323 { 0x00fefe, "SSL_RSA_FIPS_WITH_DES_CBC_SHA"},
324 { 0x00feff, "SSL_RSA_FIPS_WITH_3DES_EDE_CBC_SHA" },
325 { 0x00ffe0, "SSL_RSA_FIPS_WITH_3DES_EDE_CBC_SHA" },
326 { 0x00ffe1, "SSL_RSA_FIPS_WITH_DES_CBC_SHA"},
327 /* Microsoft's old PCT protocol. These are from Eric Rescorla's
328 book "SSL and TLS" */
329 { 0x8f8001, "PCT_SSL_COMPAT | PCT_VERSION_1" },
330 { 0x800003, "PCT_SSL_CERT_TYPE | PCT1_CERT_X509_CHAIN" },
331 { 0x800001, "PCT_SSL_CERT_TYPE | PCT1_CERT_X509" },
332 { 0x810001, "PCT_SSL_HASH_TYPE | PCT1_HASH_MD5" },
333 { 0x810003, "PCT_SSL_HASH_TYPE | PCT1_HASH_SHA" },
334 { 0x820001, "PCT_SSL_EXCH_TYPE | PCT1_EXCH_RSA_PKCS1" },
335 { 0x830004, "PCT_SSL_CIPHER_TYPE_1ST_HALF | PCT1_CIPHER_RC4" },
336 { 0x848040, "PCT_SSL_CIPHER_TYPE_2ND_HALF | PCT1_ENC_BITS_128 | PCT1_MAC_BITS_128" },
337 { 0x842840, "PCT_SSL_CIPHER_TYPE_2ND_HALF | PCT1_ENC_BITS_40 | PCT1_MAC_BITS_128" },
338 /* note that ciphersuites of {0x00????} are TLS cipher suites in
339 * a sslv2 client hello message; the ???? above is the two-byte
340 * tls cipher suite id
345 const value_string ssl_extension_curves[] = {
371 { 0xFF01, "arbitrary_explicit_prime_curves" },
372 { 0xFF02, "arbitrary_explicit_char2_curves" },
376 const value_string ssl_extension_ec_point_formats[] = {
377 { 0, "uncompressed" },
378 { 1, "ansiX962_compressed_prime" },
379 { 2, "ansiX962_compressed_char2" },
383 const value_string ssl_20_certificate_type[] = {
385 { 0x01, "X.509 Certificate" },
389 const value_string ssl_31_content_type[] = {
390 { 20, "Change Cipher Spec" },
393 { 23, "Application Data" },
397 const value_string ssl_versions[] = {
398 { 0xfeff, "DTLS 1.0" },
399 { 0x0100, "DTLS 1.0 (OpenSSL pre 0.9.8f)" },
400 { 0x0303, "TLS 1.2" },
401 { 0x0302, "TLS 1.1" },
402 { 0x0301, "TLS 1.0" },
403 { 0x0300, "SSL 3.0" },
404 { 0x0002, "SSL 2.0" },
409 /* XXX - would be used if we dissected the body of a Change Cipher Spec
411 const value_string ssl_31_change_cipher_spec[] = {
412 { 1, "Change Cipher Spec" },
417 const value_string ssl_31_alert_level[] = {
423 const value_string ssl_31_alert_description[] = {
424 { 0, "Close Notify" },
425 { 10, "Unexpected Message" },
426 { 20, "Bad Record MAC" },
427 { 21, "Decryption Failed" },
428 { 22, "Record Overflow" },
429 { 30, "Decompression Failure" },
430 { 40, "Handshake Failure" },
431 { 41, "No Certificate" },
432 { 42, "Bad Certificate" },
433 { 43, "Unsupported Certificate" },
434 { 44, "Certificate Revoked" },
435 { 45, "Certificate Expired" },
436 { 46, "Certificate Unknown" },
437 { 47, "Illegal Parameter" },
438 { 48, "Unknown CA" },
439 { 49, "Access Denied" },
440 { 50, "Decode Error" },
441 { 51, "Decrypt Error" },
442 { 60, "Export Restriction" },
443 { 70, "Protocol Version" },
444 { 71, "Insufficient Security" },
445 { 80, "Internal Error" },
446 { 90, "User Canceled" },
447 { 100, "No Renegotiation" },
448 { 110, "Unsupported Extension" },
449 { 111, "Certificate Unobtainable" },
450 { 112, "Unrecognized Name" },
451 { 113, "Bad Certificate Status Response" },
452 { 114, "Bad Certificate Hash Value" },
453 { 115, "Unknown PSK Identity" },
457 const value_string ssl_31_handshake_type[] = {
458 { SSL_HND_HELLO_REQUEST, "Hello Request" },
459 { SSL_HND_CLIENT_HELLO, "Client Hello" },
460 { SSL_HND_SERVER_HELLO, "Server Hello" },
461 { SSL_HND_HELLO_VERIFY_REQUEST, "Hello Verify Request"},
462 { SSL_HND_CERTIFICATE, "Certificate" },
463 { SSL_HND_SERVER_KEY_EXCHG, "Server Key Exchange" },
464 { SSL_HND_CERT_REQUEST, "Certificate Request" },
465 { SSL_HND_SVR_HELLO_DONE, "Server Hello Done" },
466 { SSL_HND_CERT_VERIFY, "Certificate Verify" },
467 { SSL_HND_CLIENT_KEY_EXCHG, "Client Key Exchange" },
468 { SSL_HND_FINISHED, "Finished" },
472 const value_string ssl_31_compression_method[] = {
480 /* XXX - would be used if we dissected a Signature, as would be
481 seen in a server key exchange or certificate verify message. */
482 const value_string ssl_31_key_exchange_algorithm[] = {
484 { 1, "Diffie Hellman" },
488 const value_string ssl_31_signature_algorithm[] = {
496 const value_string ssl_31_client_certificate_type[] = {
499 { 3, "RSA Fixed DH" },
500 { 4, "DSS Fixed DH" },
501 { 64, "ECDSA Sign" },
502 { 65, "RSA Fixed ECDH" },
503 { 66, "ECDSA Fixed ECDH" },
508 /* XXX - would be used if we dissected exchange keys, as would be
509 seen in a client key exchange message. */
510 const value_string ssl_31_public_value_encoding[] = {
516 /* http://www.iana.org/assignments/tls-parameters/tls-parameters.xhtml */
518 const value_string ssl_31_ciphersuite[] = {
519 /* RFC 2246, RFC 4346, RFC 5246 */
520 { 0x0000, "TLS_NULL_WITH_NULL_NULL" },
521 { 0x0001, "TLS_RSA_WITH_NULL_MD5" },
522 { 0x0002, "TLS_RSA_WITH_NULL_SHA" },
523 { 0x0003, "TLS_RSA_EXPORT_WITH_RC4_40_MD5" },
524 { 0x0004, "TLS_RSA_WITH_RC4_128_MD5" },
525 { 0x0005, "TLS_RSA_WITH_RC4_128_SHA" },
526 { 0x0006, "TLS_RSA_EXPORT_WITH_RC2_CBC_40_MD5" },
527 { 0x0007, "TLS_RSA_WITH_IDEA_CBC_SHA" },
528 { 0x0008, "TLS_RSA_EXPORT_WITH_DES40_CBC_SHA" },
529 { 0x0009, "TLS_RSA_WITH_DES_CBC_SHA" },
530 { 0x000a, "TLS_RSA_WITH_3DES_EDE_CBC_SHA" },
531 { 0x000b, "TLS_DH_DSS_EXPORT_WITH_DES40_CBC_SHA" },
532 { 0x000c, "TLS_DH_DSS_WITH_DES_CBC_SHA" },
533 { 0x000d, "TLS_DH_DSS_WITH_3DES_EDE_CBC_SHA" },
534 { 0x000e, "TLS_DH_RSA_EXPORT_WITH_DES40_CBC_SHA" },
535 { 0x000f, "TLS_DH_RSA_WITH_DES_CBC_SHA" },
536 { 0x0010, "TLS_DH_RSA_WITH_3DES_EDE_CBC_SHA" },
537 { 0x0011, "TLS_DHE_DSS_EXPORT_WITH_DES40_CBC_SHA" },
538 { 0x0012, "TLS_DHE_DSS_WITH_DES_CBC_SHA" },
539 { 0x0013, "TLS_DHE_DSS_WITH_3DES_EDE_CBC_SHA" },
540 { 0x0014, "TLS_DHE_RSA_EXPORT_WITH_DES40_CBC_SHA" },
541 { 0x0015, "TLS_DHE_RSA_WITH_DES_CBC_SHA" },
542 { 0x0016, "TLS_DHE_RSA_WITH_3DES_EDE_CBC_SHA" },
543 { 0x0017, "TLS_DH_anon_EXPORT_WITH_RC4_40_MD5" },
544 { 0x0018, "TLS_DH_anon_WITH_RC4_128_MD5" },
545 { 0x0019, "TLS_DH_anon_EXPORT_WITH_DES40_CBC_SHA" },
546 { 0x001a, "TLS_DH_anon_WITH_DES_CBC_SHA" },
547 { 0x001b, "TLS_DH_anon_WITH_3DES_EDE_CBC_SHA" },
549 { 0x001c, "SSL_FORTEZZA_KEA_WITH_NULL_SHA" },
550 { 0x001d, "SSL_FORTEZZA_KEA_WITH_FORTEZZA_CBC_SHA" },
551 #if 0 /* Because it clashes with KRB5, is never used any more, and is safe
552 to remove according to David Hopwood <david.hopwood@zetnet.co.uk>
553 of the ietf-tls list */
554 { 0x001e, "SSL_FORTEZZA_KEA_WITH_RC4_128_SHA" },
558 { 0x001E, "TLS_KRB5_WITH_DES_CBC_SHA" },
559 { 0x001F, "TLS_KRB5_WITH_3DES_EDE_CBC_SHA" },
560 { 0x0020, "TLS_KRB5_WITH_RC4_128_SHA" },
561 { 0x0021, "TLS_KRB5_WITH_IDEA_CBC_SHA" },
562 { 0x0022, "TLS_KRB5_WITH_DES_CBC_MD5" },
563 { 0x0023, "TLS_KRB5_WITH_3DES_EDE_CBC_MD5" },
564 { 0x0024, "TLS_KRB5_WITH_RC4_128_MD5" },
565 { 0x0025, "TLS_KRB5_WITH_IDEA_CBC_MD5" },
566 { 0x0026, "TLS_KRB5_EXPORT_WITH_DES_CBC_40_SHA" },
567 { 0x0027, "TLS_KRB5_EXPORT_WITH_RC2_CBC_40_SHA" },
568 { 0x0028, "TLS_KRB5_EXPORT_WITH_RC4_40_SHA" },
569 { 0x0029, "TLS_KRB5_EXPORT_WITH_DES_CBC_40_MD5" },
570 { 0x002A, "TLS_KRB5_EXPORT_WITH_RC2_CBC_40_MD5" },
571 { 0x002B, "TLS_KRB5_EXPORT_WITH_RC4_40_MD5" },
574 { 0x002C, "TLS_PSK_WITH_NULL_SHA" },
575 { 0x002D, "TLS_DHE_PSK_WITH_NULL_SHA" },
576 { 0x002E, "TLS_RSA_PSK_WITH_NULL_SHA" },
579 { 0x002F, "TLS_RSA_WITH_AES_128_CBC_SHA" },
580 { 0x0030, "TLS_DH_DSS_WITH_AES_128_CBC_SHA" },
581 { 0x0031, "TLS_DH_RSA_WITH_AES_128_CBC_SHA" },
582 { 0x0032, "TLS_DHE_DSS_WITH_AES_128_CBC_SHA" },
583 { 0x0033, "TLS_DHE_RSA_WITH_AES_128_CBC_SHA" },
584 { 0x0034, "TLS_DH_anon_WITH_AES_128_CBC_SHA" },
585 { 0x0035, "TLS_RSA_WITH_AES_256_CBC_SHA" },
586 { 0x0036, "TLS_DH_DSS_WITH_AES_256_CBC_SHA" },
587 { 0x0037, "TLS_DH_RSA_WITH_AES_256_CBC_SHA" },
588 { 0x0038, "TLS_DHE_DSS_WITH_AES_256_CBC_SHA" },
589 { 0x0039, "TLS_DHE_RSA_WITH_AES_256_CBC_SHA" },
590 { 0x003A, "TLS_DH_anon_WITH_AES_256_CBC_SHA" },
591 { 0x003B, "TLS_RSA_WITH_NULL_SHA256" },
592 { 0x003C, "TLS_RSA_WITH_AES_128_CBC_SHA256" },
593 { 0x003D, "TLS_RSA_WITH_AES_256_CBC_SHA256" },
594 { 0x003E, "TLS_DH_DSS_WITH_AES_128_CBC_SHA256" },
595 { 0x003F, "TLS_DH_RSA_WITH_AES_128_CBC_SHA256" },
596 { 0x0040, "TLS_DHE_DSS_WITH_AES_128_CBC_SHA256" },
597 { 0x0067, "TLS_DHE_RSA_WITH_AES_128_CBC_SHA256" },
598 { 0x0068, "TLS_DH_DSS_WITH_AES_256_CBC_SHA256" },
599 { 0x0069, "TLS_DH_RSA_WITH_AES_256_CBC_SHA256" },
600 { 0x006A, "TLS_DHE_DSS_WITH_AES_256_CBC_SHA256" },
601 { 0x006B, "TLS_DHE_RSA_WITH_AES_256_CBC_SHA256" },
602 { 0x006C, "TLS_DH_anon_WITH_AES_128_CBC_SHA256" },
603 { 0x006D, "TLS_DH_anon_WITH_AES_256_CBC_SHA256" },
605 /* 0x00,0x60-66 Reserved to avoid conflicts with widely deployed implementations */
607 { 0x0060, "TLS_RSA_EXPORT1024_WITH_RC4_56_MD5" },
608 { 0x0061, "TLS_RSA_EXPORT1024_WITH_RC2_CBC_56_MD5" },
610 /* draft-ietf-tls-56-bit-ciphersuites-01.txt */
611 { 0x0062, "TLS_RSA_EXPORT1024_WITH_DES_CBC_SHA" },
612 { 0x0063, "TLS_DHE_DSS_EXPORT1024_WITH_DES_CBC_SHA" },
613 { 0x0064, "TLS_RSA_EXPORT1024_WITH_RC4_56_SHA" },
614 { 0x0065, "TLS_DHE_DSS_EXPORT1024_WITH_RC4_56_SHA" },
615 { 0x0066, "TLS_DHE_DSS_WITH_RC4_128_SHA" },
618 { 0x0041, "TLS_RSA_WITH_CAMELLIA_128_CBC_SHA" },
619 { 0x0042, "TLS_DH_DSS_WITH_CAMELLIA_128_CBC_SHA" },
620 { 0x0043, "TLS_DH_RSA_WITH_CAMELLIA_128_CBC_SHA" },
621 { 0x0044, "TLS_DHE_DSS_WITH_CAMELLIA_128_CBC_SHA" },
622 { 0x0045, "TLS_DHE_RSA_WITH_CAMELLIA_128_CBC_SHA" },
623 { 0x0046, "TLS_DH_anon_WITH_CAMELLIA_128_CBC_SHA" },
624 { 0x0084, "TLS_RSA_WITH_CAMELLIA_256_CBC_SHA" },
625 { 0x0085, "TLS_DH_DSS_WITH_CAMELLIA_256_CBC_SHA" },
626 { 0x0086, "TLS_DH_RSA_WITH_CAMELLIA_256_CBC_SHA" },
627 { 0x0087, "TLS_DHE_DSS_WITH_CAMELLIA_256_CBC_SHA" },
628 { 0x0088, "TLS_DHE_RSA_WITH_CAMELLIA_256_CBC_SHA" },
629 { 0x0089, "TLS_DH_anon_WITH_CAMELLIA_256_CBC_SHA" },
632 { 0x008A, "TLS_PSK_WITH_RC4_128_SHA" },
633 { 0x008B, "TLS_PSK_WITH_3DES_EDE_CBC_SHA" },
634 { 0x008C, "TLS_PSK_WITH_AES_128_CBC_SHA" },
635 { 0x008D, "TLS_PSK_WITH_AES_256_CBC_SHA" },
636 { 0x008E, "TLS_DHE_PSK_WITH_RC4_128_SHA" },
637 { 0x008F, "TLS_DHE_PSK_WITH_3DES_EDE_CBC_SHA" },
638 { 0x0090, "TLS_DHE_PSK_WITH_AES_128_CBC_SHA" },
639 { 0x0091, "TLS_DHE_PSK_WITH_AES_256_CBC_SHA" },
640 { 0x0092, "TLS_RSA_PSK_WITH_RC4_128_SHA" },
641 { 0x0093, "TLS_RSA_PSK_WITH_3DES_EDE_CBC_SHA" },
642 { 0x0094, "TLS_RSA_PSK_WITH_AES_128_CBC_SHA" },
643 { 0x0095, "TLS_RSA_PSK_WITH_AES_256_CBC_SHA" },
646 { 0x0096, "TLS_RSA_WITH_SEED_CBC_SHA" },
647 { 0x0097, "TLS_DH_DSS_WITH_SEED_CBC_SHA" },
648 { 0x0098, "TLS_DH_RSA_WITH_SEED_CBC_SHA" },
649 { 0x0099, "TLS_DHE_DSS_WITH_SEED_CBC_SHA" },
650 { 0x009A, "TLS_DHE_RSA_WITH_SEED_CBC_SHA" },
651 { 0x009B, "TLS_DH_anon_WITH_SEED_CBC_SHA" },
654 { 0x009C, "TLS_RSA_WITH_AES_128_GCM_SHA256" },
655 { 0x009D, "TLS_RSA_WITH_AES_256_GCM_SHA384" },
656 { 0x009E, "TLS_DHE_RSA_WITH_AES_128_GCM_SHA256" },
657 { 0x009F, "TLS_DHE_RSA_WITH_AES_256_GCM_SHA384" },
658 { 0x00A0, "TLS_DH_RSA_WITH_AES_128_GCM_SHA256" },
659 { 0x00A1, "TLS_DH_RSA_WITH_AES_256_GCM_SHA384" },
660 { 0x00A2, "TLS_DHE_DSS_WITH_AES_128_GCM_SHA256" },
661 { 0x00A3, "TLS_DHE_DSS_WITH_AES_256_GCM_SHA384" },
662 { 0x00A4, "TLS_DH_DSS_WITH_AES_128_GCM_SHA256" },
663 { 0x00A5, "TLS_DH_DSS_WITH_AES_256_GCM_SHA384" },
664 { 0x00A6, "TLS_DH_anon_WITH_AES_128_GCM_SHA256" },
665 { 0x00A7, "TLS_DH_anon_WITH_AES_256_GCM_SHA384" },
668 { 0x00A8, "TLS_PSK_WITH_AES_128_GCM_SHA256" },
669 { 0x00A9, "TLS_PSK_WITH_AES_256_GCM_SHA384" },
670 { 0x00AA, "TLS_DHE_PSK_WITH_AES_128_GCM_SHA256" },
671 { 0x00AB, "TLS_DHE_PSK_WITH_AES_256_GCM_SHA384" },
672 { 0x00AC, "TLS_RSA_PSK_WITH_AES_128_GCM_SHA256" },
673 { 0x00AD, "TLS_RSA_PSK_WITH_AES_256_GCM_SHA384" },
674 { 0x00AE, "TLS_PSK_WITH_AES_128_CBC_SHA256" },
675 { 0x00AF, "TLS_PSK_WITH_AES_256_CBC_SHA384" },
676 { 0x00B0, "TLS_PSK_WITH_NULL_SHA256" },
677 { 0x00B1, "TLS_PSK_WITH_NULL_SHA384" },
678 { 0x00B2, "TLS_DHE_PSK_WITH_AES_128_CBC_SHA256" },
679 { 0x00B3, "TLS_DHE_PSK_WITH_AES_256_CBC_SHA384" },
680 { 0x00B4, "TLS_DHE_PSK_WITH_NULL_SHA256" },
681 { 0x00B5, "TLS_DHE_PSK_WITH_NULL_SHA384" },
682 { 0x00B6, "TLS_RSA_PSK_WITH_AES_128_CBC_SHA256" },
683 { 0x00B7, "TLS_RSA_PSK_WITH_AES_256_CBC_SHA384" },
684 { 0x00B8, "TLS_RSA_PSK_WITH_NULL_SHA256" },
685 { 0x00B9, "TLS_RSA_PSK_WITH_NULL_SHA384" },
688 { 0x00BA, "TLS_RSA_WITH_CAMELLIA_128_CBC_SHA256" },
689 { 0x00BB, "TLS_DH_DSS_WITH_CAMELLIA_128_CBC_SHA256" },
690 { 0x00BC, "TLS_DH_RSA_WITH_CAMELLIA_128_CBC_SHA256" },
691 { 0x00BD, "TLS_DHE_DSS_WITH_CAMELLIA_128_CBC_SHA256" },
692 { 0x00BE, "TLS_DHE_RSA_WITH_CAMELLIA_128_CBC_SHA256" },
693 { 0x00BF, "TLS_DH_anon_WITH_CAMELLIA_128_CBC_SHA256" },
694 { 0x00C0, "TLS_RSA_WITH_CAMELLIA_256_CBC_SHA256" },
695 { 0x00C1, "TLS_DH_DSS_WITH_CAMELLIA_256_CBC_SHA256" },
696 { 0x00C2, "TLS_DH_RSA_WITH_CAMELLIA_256_CBC_SHA256" },
697 { 0x00C3, "TLS_DHE_DSS_WITH_CAMELLIA_256_CBC_SHA256" },
698 { 0x00C4, "TLS_DHE_RSA_WITH_CAMELLIA_256_CBC_SHA256" },
699 { 0x00C5, "TLS_DH_anon_WITH_CAMELLIA_256_CBC_SHA256" },
700 /* 0x00,0xC6-FE Unassigned */
702 { 0x0000FF, "TLS_EMPTY_RENEGOTIATION_INFO_SCSV" },
703 /* 0x01-BF,* Unassigned */
705 { 0xc001, "TLS_ECDH_ECDSA_WITH_NULL_SHA" },
706 { 0xc002, "TLS_ECDH_ECDSA_WITH_RC4_128_SHA" },
707 { 0xc003, "TLS_ECDH_ECDSA_WITH_3DES_EDE_CBC_SHA" },
708 { 0xc004, "TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA" },
709 { 0xc005, "TLS_ECDH_ECDSA_WITH_AES_256_CBC_SHA" },
710 { 0xc006, "TLS_ECDHE_ECDSA_WITH_NULL_SHA" },
711 { 0xc007, "TLS_ECDHE_ECDSA_WITH_RC4_128_SHA" },
712 { 0xc008, "TLS_ECDHE_ECDSA_WITH_3DES_EDE_CBC_SHA" },
713 { 0xc009, "TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA" },
714 { 0xc00a, "TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA" },
715 { 0xc00b, "TLS_ECDH_RSA_WITH_NULL_SHA" },
716 { 0xc00c, "TLS_ECDH_RSA_WITH_RC4_128_SHA" },
717 { 0xc00d, "TLS_ECDH_RSA_WITH_3DES_EDE_CBC_SHA" },
718 { 0xc00e, "TLS_ECDH_RSA_WITH_AES_128_CBC_SHA" },
719 { 0xc00f, "TLS_ECDH_RSA_WITH_AES_256_CBC_SHA" },
720 { 0xc010, "TLS_ECDHE_RSA_WITH_NULL_SHA" },
721 { 0xc011, "TLS_ECDHE_RSA_WITH_RC4_128_SHA" },
722 { 0xc012, "TLS_ECDHE_RSA_WITH_3DES_EDE_CBC_SHA" },
723 { 0xc013, "TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA" },
724 { 0xc014, "TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA" },
725 { 0xc015, "TLS_ECDH_anon_WITH_NULL_SHA" },
726 { 0xc016, "TLS_ECDH_anon_WITH_RC4_128_SHA" },
727 { 0xc017, "TLS_ECDH_anon_WITH_3DES_EDE_CBC_SHA" },
728 { 0xc018, "TLS_ECDH_anon_WITH_AES_128_CBC_SHA" },
729 { 0xc019, "TLS_ECDH_anon_WITH_AES_256_CBC_SHA" },
732 { 0xC01A, "TLS_SRP_SHA_WITH_3DES_EDE_CBC_SHA" },
733 { 0xC01B, "TLS_SRP_SHA_RSA_WITH_3DES_EDE_CBC_SHA" },
734 { 0xC01C, "TLS_SRP_SHA_DSS_WITH_3DES_EDE_CBC_SHA" },
735 { 0xC01D, "TLS_SRP_SHA_WITH_AES_128_CBC_SHA" },
736 { 0xC01E, "TLS_SRP_SHA_RSA_WITH_AES_128_CBC_SHA" },
737 { 0xC01F, "TLS_SRP_SHA_DSS_WITH_AES_128_CBC_SHA" },
738 { 0xC020, "TLS_SRP_SHA_WITH_AES_256_CBC_SHA" },
739 { 0xC021, "TLS_SRP_SHA_RSA_WITH_AES_256_CBC_SHA" },
740 { 0xC022, "TLS_SRP_SHA_DSS_WITH_AES_256_CBC_SHA" },
743 { 0xC023, "TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256" },
744 { 0xC024, "TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA384" },
745 { 0xC025, "TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA256" },
746 { 0xC026, "TLS_ECDH_ECDSA_WITH_AES_256_CBC_SHA384" },
747 { 0xC027, "TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256" },
748 { 0xC028, "TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384" },
749 { 0xC029, "TLS_ECDH_RSA_WITH_AES_128_CBC_SHA256" },
750 { 0xC02A, "TLS_ECDH_RSA_WITH_AES_256_CBC_SHA384" },
751 { 0xC02B, "TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256" },
752 { 0xC02C, "TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384" },
753 { 0xC02D, "TLS_ECDH_ECDSA_WITH_AES_128_GCM_SHA256" },
754 { 0xC02E, "TLS_ECDH_ECDSA_WITH_AES_256_GCM_SHA384" },
755 { 0xC02F, "TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256" },
756 { 0xC030, "TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384" },
757 { 0xC031, "TLS_ECDH_RSA_WITH_AES_128_GCM_SHA256" },
758 { 0xC032, "TLS_ECDH_RSA_WITH_AES_256_GCM_SHA384" },
761 { 0xC033, "TLS_ECDHE_PSK_WITH_RC4_128_SHA" },
762 { 0xC034, "TLS_ECDHE_PSK_WITH_3DES_EDE_CBC_SHA" },
763 { 0xC035, "TLS_ECDHE_PSK_WITH_AES_128_CBC_SHA" },
764 { 0xC036, "TLS_ECDHE_PSK_WITH_AES_256_CBC_SHA" },
765 { 0xC037, "TLS_ECDHE_PSK_WITH_AES_128_CBC_SHA256" },
766 { 0xC038, "TLS_ECDHE_PSK_WITH_AES_256_CBC_SHA384" },
767 { 0xC039, "TLS_ECDHE_PSK_WITH_NULL_SHA" },
768 { 0xC03A, "TLS_ECDHE_PSK_WITH_NULL_SHA256" },
769 { 0xC03B, "TLS_ECDHE_PSK_WITH_NULL_SHA384" },
771 0xC0,0x3C-FF Unassigned
773 0xFE,0x00-FD Unassigned
774 0xFE,0xFE-FF Reserved to avoid conflicts with widely deployed implementations [Pasi_Eronen]
775 0xFF,0x00-FF Reserved for Private Use [RFC5246]
777 /* these from http://www.mozilla.org/projects/
778 security/pki/nss/ssl/fips-ssl-ciphersuites.html */
779 { 0xfefe, "SSL_RSA_FIPS_WITH_DES_CBC_SHA"},
780 { 0xfeff, "SSL_RSA_FIPS_WITH_3DES_EDE_CBC_SHA" },
781 { 0xffe0, "SSL_RSA_FIPS_WITH_3DES_EDE_CBC_SHA" },
782 { 0xffe1, "SSL_RSA_FIPS_WITH_DES_CBC_SHA"},
783 /* note that ciphersuites 0xff00 - 0xffff are private */
787 const value_string pct_msg_types[] = {
788 { PCT_MSG_CLIENT_HELLO, "Client Hello" },
789 { PCT_MSG_SERVER_HELLO, "Server Hello" },
790 { PCT_MSG_CLIENT_MASTER_KEY, "Client Master Key" },
791 { PCT_MSG_SERVER_VERIFY, "Server Verify" },
792 { PCT_MSG_ERROR, "Error" },
796 const value_string pct_cipher_type[] = {
797 { PCT_CIPHER_DES, "DES" },
798 { PCT_CIPHER_IDEA, "IDEA" },
799 { PCT_CIPHER_RC2, "RC2" },
800 { PCT_CIPHER_RC4, "RC4" },
801 { PCT_CIPHER_DES_112, "DES 112 bit" },
802 { PCT_CIPHER_DES_168, "DES 168 bit" },
806 const value_string pct_hash_type[] = {
807 { PCT_HASH_MD5, "MD5" },
808 { PCT_HASH_MD5_TRUNC_64, "MD5_TRUNC_64"},
809 { PCT_HASH_SHA, "SHA"},
810 { PCT_HASH_SHA_TRUNC_80, "SHA_TRUNC_80"},
811 { PCT_HASH_DES_DM, "DES_DM"},
815 const value_string pct_cert_type[] = {
816 { PCT_CERT_NONE, "None" },
817 { PCT_CERT_X509, "X.509" },
818 { PCT_CERT_PKCS7, "PKCS #7" },
821 const value_string pct_sig_type[] = {
822 { PCT_SIG_NONE, "None" },
823 { PCT_SIG_RSA_MD5, "MD5" },
824 { PCT_SIG_RSA_SHA, "RSA SHA" },
825 { PCT_SIG_DSA_SHA, "DSA SHA" },
829 const value_string pct_exch_type[] = {
830 { PCT_EXCH_RSA_PKCS1, "RSA PKCS#1" },
831 { PCT_EXCH_RSA_PKCS1_TOKEN_DES, "RSA PKCS#1 Token DES" },
832 { PCT_EXCH_RSA_PKCS1_TOKEN_DES3, "RSA PKCS#1 Token 3DES" },
833 { PCT_EXCH_RSA_PKCS1_TOKEN_RC2, "RSA PKCS#1 Token RC-2" },
834 { PCT_EXCH_RSA_PKCS1_TOKEN_RC4, "RSA PKCS#1 Token RC-4" },
835 { PCT_EXCH_DH_PKCS3, "DH PKCS#3" },
836 { PCT_EXCH_DH_PKCS3_TOKEN_DES, "DH PKCS#3 Token DES" },
837 { PCT_EXCH_DH_PKCS3_TOKEN_DES3, "DH PKCS#3 Token 3DES" },
838 { PCT_EXCH_FORTEZZA_TOKEN, "Fortezza" },
842 const value_string pct_error_code[] = {
843 { PCT_ERR_BAD_CERTIFICATE, "PCT_ERR_BAD_CERTIFICATE" },
844 { PCT_ERR_CLIENT_AUTH_FAILED, "PCT_ERR_CLIENT_AUTH_FAILE" },
845 { PCT_ERR_ILLEGAL_MESSAGE, "PCT_ERR_ILLEGAL_MESSAGE" },
846 { PCT_ERR_INTEGRITY_CHECK_FAILED, "PCT_ERR_INTEGRITY_CHECK_FAILED" },
847 { PCT_ERR_SERVER_AUTH_FAILED, "PCT_ERR_SERVER_AUTH_FAILED" },
848 { PCT_ERR_SPECS_MISMATCH, "PCT_ERR_SPECS_MISMATCH" },
853 const value_string tls_hello_extension_types[] = {
854 { 0, "server_name" },
855 { 1, "max_fragment_length" },
856 { 2, "client_certificate_url" },
857 { 3, "trusted_ca_keys" },
858 { 4, "truncated_hmac" },
859 { 5, "status_request" },
860 { 6, "user_mapping" }, /* RFC 4681 */
861 { 7, "client_authz" },
862 { 8, "server_authz" },
863 { 9, "cert_type" }, /* RFC 5081 */
864 { SSL_HND_HELLO_EXT_ELLIPTIC_CURVES, "elliptic_curves" }, /* RFC 4492 */
865 { SSL_HND_HELLO_EXT_EC_POINT_FORMATS, "ec_point_formats" }, /* RFC 4492 */
866 { 12, "srp" }, /* RFC 5054 */
867 { 13, "signature_algorithms" }, /* RFC 5246 */
869 { 35, "SessionTicket TLS" }, /* RFC 4507 */
870 { 65281, "renegotiation_info" },
875 /* we keep this internal to packet-ssl-utils, as there should be
876 no need to access it any other way.
878 This also allows us to hide the dependency on zlib.
880 struct _SslDecompress {
888 ssl_data_alloc(StringInfo* str, size_t len)
890 str->data = g_malloc(len);
891 /* the allocator can return a null pointer for a size equal to 0,
892 * and that must be allowed */
893 if (len > 0 && !str->data)
895 str->data_len = (guint) len;
900 ssl_data_set(StringInfo* str, const guchar* data, guint len)
902 memcpy(str->data, data, len);
906 #ifdef HAVE_LIBGNUTLS
908 static gint ver_major, ver_minor, ver_patch;
910 /* hmac abstraction layer */
911 #define SSL_HMAC gcry_md_hd_t
914 ssl_hmac_init(SSL_HMAC* md, const void * key, gint len, gint algo)
917 const char *err_str, *err_src;
918 err = gcry_md_open(md,algo, GCRY_MD_FLAG_HMAC);
920 err_str = gcry_strerror(err);
921 err_src = gcry_strsource(err);
922 ssl_debug_printf("ssl_hmac_init(): gcry_md_open failed %s/%s", err_str, err_src);
925 gcry_md_setkey (*(md), key, len);
929 ssl_hmac_update(SSL_HMAC* md, const void* data, gint len)
931 gcry_md_write(*(md), data, len);
934 ssl_hmac_final(SSL_HMAC* md, guchar* data, guint* datalen)
938 algo = gcry_md_get_algo (*(md));
939 len = gcry_md_get_algo_dlen(algo);
940 memcpy(data, gcry_md_read(*(md), algo), len);
944 ssl_hmac_cleanup(SSL_HMAC* md)
946 gcry_md_close(*(md));
949 /* memory digest abstraction layer*/
950 #define SSL_MD gcry_md_hd_t
953 ssl_md_init(SSL_MD* md, gint algo)
956 const char *err_str, *err_src;
957 err = gcry_md_open(md,algo, 0);
959 err_str = gcry_strerror(err);
960 err_src = gcry_strsource(err);
961 ssl_debug_printf("ssl_md_init(): gcry_md_open failed %s/%s", err_str, err_src);
967 ssl_md_update(SSL_MD* md, guchar* data, gint len)
969 gcry_md_write(*(md), data, len);
972 ssl_md_final(SSL_MD* md, guchar* data, guint* datalen)
976 algo = gcry_md_get_algo (*(md));
977 len = gcry_md_get_algo_dlen (algo);
978 memcpy(data, gcry_md_read(*(md), algo), len);
982 ssl_md_cleanup(SSL_MD* md)
984 gcry_md_close(*(md));
987 /* md5 /sha abstraction layer */
988 #define SSL_SHA_CTX gcry_md_hd_t
989 #define SSL_MD5_CTX gcry_md_hd_t
992 ssl_sha_init(SSL_SHA_CTX* md)
994 gcry_md_open(md,GCRY_MD_SHA1, 0);
997 ssl_sha_update(SSL_SHA_CTX* md, guchar* data, gint len)
999 gcry_md_write(*(md), data, len);
1002 ssl_sha_final(guchar* buf, SSL_SHA_CTX* md)
1004 memcpy(buf, gcry_md_read(*(md), GCRY_MD_SHA1),
1005 gcry_md_get_algo_dlen(GCRY_MD_SHA1));
1008 ssl_sha_cleanup(SSL_SHA_CTX* md)
1010 gcry_md_close(*(md));
1014 ssl_md5_init(SSL_MD5_CTX* md)
1016 return gcry_md_open(md,GCRY_MD_MD5, 0);
1019 ssl_md5_update(SSL_MD5_CTX* md, guchar* data, gint len)
1021 gcry_md_write(*(md), data, len);
1024 ssl_md5_final(guchar* buf, SSL_MD5_CTX* md)
1026 memcpy(buf, gcry_md_read(*(md), GCRY_MD_MD5),
1027 gcry_md_get_algo_dlen(GCRY_MD_MD5));
1030 ssl_md5_cleanup(SSL_MD5_CTX* md)
1032 gcry_md_close(*(md));
1036 ssl_cipher_setiv(SSL_CIPHER_CTX *cipher, guchar* iv, gint iv_len)
1043 c=(gcry_cipher_hd_t)*cipher;
1045 ssl_debug_printf("--------------------------------------------------------------------");
1046 /*for(ivp=c->iv,i=0; i < iv_len; i++ )
1048 ssl_debug_printf("%d ",ivp[i]);
1052 ssl_debug_printf("--------------------------------------------------------------------");
1053 ret = gcry_cipher_setiv(*(cipher), iv, iv_len);
1054 /*for(ivp=c->iv,i=0; i < iv_len; i++ )
1056 ssl_debug_printf("%d ",ivp[i]);
1060 ssl_debug_printf("--------------------------------------------------------------------");
1063 /* stream cipher abstraction layer*/
1065 ssl_cipher_init(gcry_cipher_hd_t *cipher, gint algo, guchar* sk,
1066 guchar* iv, gint mode)
1068 gint gcry_modes[]={GCRY_CIPHER_MODE_STREAM,GCRY_CIPHER_MODE_CBC};
1072 *(cipher) = (gcry_cipher_hd_t)-1;
1075 err = gcry_cipher_open(cipher, algo, gcry_modes[mode], 0);
1078 err = gcry_cipher_setkey(*(cipher), sk, gcry_cipher_get_algo_keylen (algo));
1081 err = gcry_cipher_setiv(*(cipher), iv, gcry_cipher_get_algo_blklen (algo));
1087 ssl_cipher_decrypt(gcry_cipher_hd_t *cipher, guchar * out, gint outl,
1088 const guchar * in, gint inl)
1090 if ((*cipher) == (gcry_cipher_hd_t)-1)
1093 memcpy(out, in, outl < inl ? outl : inl);
1096 return gcry_cipher_decrypt ( *(cipher), out, outl, in, inl);
1099 ssl_get_digest_by_name(const gchar*name)
1101 return gcry_md_map_name(name);
1104 ssl_get_cipher_by_name(const gchar* name)
1106 return gcry_cipher_map_name(name);
1110 ssl_cipher_cleanup(gcry_cipher_hd_t *cipher)
1112 if ((*cipher) != (gcry_cipher_hd_t)-1)
1113 gcry_cipher_close(*cipher);
1117 /* private key abstraction layer */
1119 ssl_get_key_len(SSL_PRIVATE_KEY* pk) {return gcry_pk_get_nbits (pk); }
1122 _gcry_rsa_decrypt (int algo, gcry_mpi_t *result, gcry_mpi_t *data,
1123 gcry_mpi_t *skey, gint flags);
1125 #define PUBKEY_FLAG_NO_BLINDING (1 << 0)
1128 ssl_private_key_to_str(SSL_PRIVATE_KEY* pk)
1130 const gchar *str="NULL";
1134 if (!pk) return str;
1136 n = gcry_sexp_sprint(pk, GCRYSEXP_FMT_ADVANCED, NULL, 0);
1138 n = gcry_sexp_sprint(pk, GCRYSEXP_FMT_ADVANCED, buf, n);
1140 #else /* SSL_FAST */
1141 str = "TO DO: dump mpi gcry_mpi_print()";
1142 #endif /* SSL_FAST */
1147 /* decrypt data with private key. Store decrypted data directly into input
1150 ssl_private_decrypt(guint len, guchar* encr_data, SSL_PRIVATE_KEY* pk)
1154 gcry_sexp_t s_data, s_plain;
1155 gcry_mpi_t encr_mpi;
1157 guchar* decr_data_ptr;
1163 /* build up a mpi rappresentation for encrypted data */
1164 rc = gcry_mpi_scan(&encr_mpi, GCRYMPI_FMT_USG,encr_data, encr_len, &encr_len);
1166 ssl_debug_printf("pcry_private_decrypt: can't convert encr_data to mpi (size %d):%s\n",
1167 len, gcry_strerror(rc));
1171 /*ssl_debug_printf("pcry_private_decrypt: pk=%s\n", ssl_private_key_to_str(pk));*/
1174 /* put the data into a simple list */
1175 rc = gcry_sexp_build(&s_data, NULL, "(enc-val(rsa(a%m)))", encr_mpi);
1177 ssl_debug_printf("pcry_private_decrypt: can't build encr_sexp:%s \n",
1182 /* pass it to libgcrypt */
1183 rc = gcry_pk_decrypt(&s_plain, s_data, pk);
1184 gcry_sexp_release(s_data);
1187 ssl_debug_printf("pcry_private_decrypt: can't decrypt key:%s\n",
1192 /* convert plain text sexp to mpi format */
1193 text = gcry_sexp_nth_mpi(s_plain, 0, 0);
1195 /* compute size requested for plaintext buffer */
1197 if (gcry_mpi_print(GCRYMPI_FMT_USG, NULL, decr_len, &decr_len, text) != 0) {
1198 ssl_debug_printf("pcry_private_decrypt: can't compute decr size:%s\n",
1204 /* sanity check on out buffer */
1205 if (decr_len > len) {
1206 ssl_debug_printf("pcry_private_decrypt: decrypted data is too long ?!? (%" G_GSIZE_MODIFIER "u max %d)\n",
1211 /* write plain text to encrypted data buffer */
1212 decr_data_ptr = encr_data;
1213 if (gcry_mpi_print( GCRYMPI_FMT_USG, decr_data_ptr, decr_len, &decr_len,
1215 ssl_debug_printf("pcry_private_decrypt: can't print decr data to mpi (size %" G_GSIZE_MODIFIER "u):%s\n",
1216 decr_len, gcry_strerror(rc));
1217 g_free(decr_data_ptr);
1222 /* strip the padding*/
1224 for (i = 1; i < decr_len; i++) {
1225 if (decr_data_ptr[i] == 0) {
1231 ssl_debug_printf("pcry_private_decrypt: stripping %d bytes, decr_len %" G_GSIZE_MODIFIER "u\n",
1233 ssl_print_data("decrypted_unstrip_pre_master", decr_data_ptr, decr_len);
1234 g_memmove(decr_data_ptr, &decr_data_ptr[rc], decr_len - rc);
1238 gcry_sexp_release(s_plain);
1239 #else /* SSL_FAST */
1240 rc = _gcry_rsa_decrypt(0, &text, &encr_mpi, pk,0);
1241 gcry_mpi_print( GCRYMPI_FMT_USG, 0, 0, &decr_len, text);
1243 /* sanity check on out buffer */
1244 if (decr_len > len) {
1245 ssl_debug_printf("pcry_private_decrypt: decrypted data is too long ?!? (%d max %d)\n",
1250 /* write plain text to newly allocated buffer */
1251 decr_data_ptr = encr_data;
1252 if (gcry_mpi_print( GCRYMPI_FMT_USG, decr_data_ptr, decr_len, &decr_len,
1254 ssl_debug_printf("pcry_private_decrypt: can't print decr data to mpi (size %d):%s\n",
1255 decr_len, gcry_strerror(rc));
1259 /* strip the padding*/
1261 for (i = 1; i < decr_len; i++) {
1262 if (decr_data_ptr[i] == 0) {
1268 ssl_debug_printf("pcry_private_decrypt: stripping %d bytes, decr_len %d\n",
1270 ssl_print_data("decrypted_unstrip_pre_master", decr_data_ptr, decr_len);
1271 g_memmove(decr_data_ptr, &decr_data_ptr[rc], decr_len - rc);
1273 #endif /* SSL_FAST */
1274 gcry_mpi_release(text);
1275 return (int) decr_len;
1278 /* stringinfo interface */
1280 ssl_data_realloc(StringInfo* str, guint len)
1282 str->data = g_realloc(str->data, len);
1285 str->data_len = len;
1290 ssl_data_copy(StringInfo* dst, StringInfo* src)
1292 if (dst->data_len < src->data_len) {
1293 if (ssl_data_realloc(dst, src->data_len))
1296 memcpy(dst->data, src->data, src->data_len);
1297 dst->data_len = src->data_len;
1301 #define PRF(ssl,secret,usage,rnd1,rnd2,out) ((ssl->version_netorder==SSLV3_VERSION)? \
1302 ssl3_prf(secret,usage,rnd1,rnd2,out): \
1303 tls_prf(secret,usage,rnd1,rnd2,out))
1305 static const gchar *digests[]={
1310 static const gchar *ciphers[]={
1313 "ARCFOUR", /* gnutls does not support rc4, but this should be 100% compatible*/
1321 static SslCipherSuite cipher_suites[]={
1322 {1,KEX_RSA,SIG_RSA,ENC_NULL,1,0,0,DIG_MD5,16,0, SSL_CIPHER_MODE_STREAM},
1323 {2,KEX_RSA,SIG_RSA,ENC_NULL,1,0,0,DIG_SHA,20,0, SSL_CIPHER_MODE_STREAM},
1324 {3,KEX_RSA,SIG_RSA,ENC_RC4,1,128,40,DIG_MD5,16,1, SSL_CIPHER_MODE_STREAM},
1325 {4,KEX_RSA,SIG_RSA,ENC_RC4,1,128,128,DIG_MD5,16,0, SSL_CIPHER_MODE_STREAM},
1326 {5,KEX_RSA,SIG_RSA,ENC_RC4,1,128,128,DIG_SHA,20,0, SSL_CIPHER_MODE_STREAM},
1327 {6,KEX_RSA,SIG_RSA,ENC_RC2,8,128,40,DIG_SHA,20,1, SSL_CIPHER_MODE_STREAM},
1328 {7,KEX_RSA,SIG_RSA,ENC_IDEA,8,128,128,DIG_SHA,20,0, SSL_CIPHER_MODE_STREAM},
1329 {8,KEX_RSA,SIG_RSA,ENC_DES,8,64,40,DIG_SHA,20,1, SSL_CIPHER_MODE_CBC},
1330 {9,KEX_RSA,SIG_RSA,ENC_DES,8,64,64,DIG_SHA,20,0, SSL_CIPHER_MODE_CBC},
1331 {10,KEX_RSA,SIG_RSA,ENC_3DES,8,192,192,DIG_SHA,20,0, SSL_CIPHER_MODE_CBC},
1332 {11,KEX_DH,SIG_DSS,ENC_DES,8,64,40,DIG_SHA,20,1, SSL_CIPHER_MODE_CBC},
1333 {12,KEX_DH,SIG_DSS,ENC_DES,8,64,64,DIG_SHA,20,0, SSL_CIPHER_MODE_CBC},
1334 {13,KEX_DH,SIG_DSS,ENC_3DES,8,192,192,DIG_SHA,20,0, SSL_CIPHER_MODE_CBC},
1335 {14,KEX_DH,SIG_RSA,ENC_DES,8,64,40,DIG_SHA,20,1, SSL_CIPHER_MODE_CBC},
1336 {15,KEX_DH,SIG_RSA,ENC_DES,8,64,64,DIG_SHA,20,0, SSL_CIPHER_MODE_CBC},
1337 {16,KEX_DH,SIG_RSA,ENC_3DES,8,192,192,DIG_SHA,20,0, SSL_CIPHER_MODE_CBC},
1338 {17,KEX_DH,SIG_DSS,ENC_DES,8,64,40,DIG_SHA,20,1, SSL_CIPHER_MODE_CBC},
1339 {18,KEX_DH,SIG_DSS,ENC_DES,8,64,64,DIG_SHA,20,0, SSL_CIPHER_MODE_CBC},
1340 {19,KEX_DH,SIG_DSS,ENC_3DES,8,192,192,DIG_SHA,20,0, SSL_CIPHER_MODE_CBC},
1341 {20,KEX_DH,SIG_RSA,ENC_DES,8,64,40,DIG_SHA,20,1, SSL_CIPHER_MODE_CBC},
1342 {21,KEX_DH,SIG_RSA,ENC_DES,8,64,64,DIG_SHA,20,0, SSL_CIPHER_MODE_CBC},
1343 {22,KEX_DH,SIG_RSA,ENC_3DES,8,192,192,DIG_SHA,20,0, SSL_CIPHER_MODE_CBC},
1344 {23,KEX_DH,SIG_NONE,ENC_RC4,1,128,40,DIG_MD5,16,1, SSL_CIPHER_MODE_STREAM},
1345 {24,KEX_DH,SIG_NONE,ENC_RC4,1,128,128,DIG_MD5,16,0, SSL_CIPHER_MODE_STREAM},
1346 {25,KEX_DH,SIG_NONE,ENC_DES,8,64,40,DIG_MD5,16,1, SSL_CIPHER_MODE_CBC},
1347 {26,KEX_DH,SIG_NONE,ENC_DES,8,64,64,DIG_MD5,16,0, SSL_CIPHER_MODE_CBC},
1348 {27,KEX_DH,SIG_NONE,ENC_3DES,8,192,192,DIG_MD5,16,0, SSL_CIPHER_MODE_CBC},
1349 {47,KEX_RSA,SIG_RSA,ENC_AES,16,128,128,DIG_SHA,20,0, SSL_CIPHER_MODE_CBC},
1350 {51,KEX_DH, SIG_RSA,ENC_AES,16,128,128,DIG_SHA,20,0, SSL_CIPHER_MODE_CBC},
1351 {53,KEX_RSA,SIG_RSA,ENC_AES256,16,256,256,DIG_SHA,20,0, SSL_CIPHER_MODE_CBC},
1352 {96,KEX_RSA,SIG_RSA,ENC_RC4,1,128,56,DIG_MD5,16,1, SSL_CIPHER_MODE_STREAM},
1353 {97,KEX_RSA,SIG_RSA,ENC_RC2,1,128,56,DIG_MD5,16,1, SSL_CIPHER_MODE_STREAM},
1354 {98,KEX_RSA,SIG_RSA,ENC_DES,8,64,64,DIG_SHA,20,1, SSL_CIPHER_MODE_STREAM},
1355 {99,KEX_DH,SIG_DSS,ENC_DES,8,64,64,DIG_SHA,16,1, SSL_CIPHER_MODE_CBC},
1356 {100,KEX_RSA,SIG_RSA,ENC_RC4,1,128,56,DIG_SHA,20,1, SSL_CIPHER_MODE_STREAM},
1357 {101,KEX_DH,SIG_DSS,ENC_RC4,1,128,56,DIG_SHA,20,1, SSL_CIPHER_MODE_STREAM},
1358 {102,KEX_DH,SIG_DSS,ENC_RC4,1,128,128,DIG_SHA,20,0, SSL_CIPHER_MODE_STREAM},
1359 /*{138,KEX_PSK,SIG_RSA,ENC_RC4,16,128,128,DIG_SHA,20,0, SSL_CIPHER_MODE_CBC},*/
1360 {139,KEX_PSK,SIG_RSA,ENC_3DES,8,192,192,DIG_SHA,20,0, SSL_CIPHER_MODE_CBC},
1361 {140,KEX_PSK,SIG_RSA,ENC_AES,16,128,128,DIG_SHA,20,0, SSL_CIPHER_MODE_CBC},
1362 {141,KEX_PSK,SIG_RSA,ENC_AES256,16,256,256,DIG_SHA,20,0, SSL_CIPHER_MODE_CBC},
1363 {-1, 0,0,0,0,0,0,0,0,0, 0}
1366 #define MAX_BLOCK_SIZE 16
1367 #define MAX_KEY_SIZE 32
1370 ssl_find_cipher(int num,SslCipherSuite* cs)
1374 for(c=cipher_suites;c->number!=-1;c++){
1385 tls_hash(StringInfo* secret, StringInfo* seed, gint md, StringInfo* out)
1391 guint8 _A[20],tmp[20];
1398 ssl_print_string("tls_hash: hash secret", secret);
1399 ssl_print_string("tls_hash: hash seed", seed);
1404 ssl_hmac_init(&hm,secret->data,secret->data_len,md);
1405 ssl_hmac_update(&hm,A,A_l);
1406 ssl_hmac_final(&hm,_A,&A_l);
1407 ssl_hmac_cleanup(&hm);
1410 ssl_hmac_init(&hm,secret->data,secret->data_len,md);
1411 ssl_hmac_update(&hm,A,A_l);
1412 ssl_hmac_update(&hm,seed->data,seed->data_len);
1413 ssl_hmac_final(&hm,tmp,&tmp_l);
1414 ssl_hmac_cleanup(&hm);
1416 tocpy=MIN(left,tmp_l);
1417 memcpy(ptr,tmp,tocpy);
1422 ssl_print_string("hash out", out);
1427 tls_prf(StringInfo* secret, const gchar *usage,
1428 StringInfo* rnd1, StringInfo* rnd2, StringInfo* out)
1430 StringInfo seed, sha_out, md5_out;
1436 usage_len = strlen(usage);
1438 /* initalize buffer for sha, md5 random seed*/
1439 if (ssl_data_alloc(&sha_out, MAX(out->data_len,20)) < 0) {
1440 ssl_debug_printf("tls_prf: can't allocate sha out\n");
1443 if (ssl_data_alloc(&md5_out, MAX(out->data_len,16)) < 0) {
1444 ssl_debug_printf("tls_prf: can't allocate md5 out\n");
1447 if (ssl_data_alloc(&seed, usage_len+rnd1->data_len+rnd2->data_len) < 0) {
1448 ssl_debug_printf("tls_prf: can't allocate rnd %d\n",
1449 (int) (usage_len+rnd1->data_len+rnd2->data_len));
1454 memcpy(ptr,usage,usage_len); ptr+=usage_len;
1455 memcpy(ptr,rnd1->data,rnd1->data_len); ptr+=rnd1->data_len;
1456 memcpy(ptr,rnd2->data,rnd2->data_len); ptr+=rnd2->data_len;
1458 /* initalize buffer for client/server seeds*/
1459 s_l=secret->data_len/2 + secret->data_len%2;
1460 if (ssl_data_alloc(&s1, s_l) < 0) {
1461 ssl_debug_printf("tls_prf: can't allocate secret %d\n", s_l);
1464 if (ssl_data_alloc(&s2, s_l) < 0) {
1465 ssl_debug_printf("tls_prf: can't allocate secret(2) %d\n", s_l);
1469 memcpy(s1.data,secret->data,s_l);
1470 memcpy(s2.data,secret->data + (secret->data_len - s_l),s_l);
1472 ssl_debug_printf("tls_prf: tls_hash(md5 secret_len %d seed_len %d )\n", s1.data_len, seed.data_len);
1473 if(tls_hash(&s1,&seed,ssl_get_digest_by_name("MD5"),&md5_out) != 0)
1475 ssl_debug_printf("tls_prf: tls_hash(sha)\n");
1476 if(tls_hash(&s2,&seed,ssl_get_digest_by_name("SHA1"),&sha_out) != 0)
1479 for(i=0;i<out->data_len;i++)
1480 out->data[i]=md5_out.data[i] ^ sha_out.data[i];
1483 ssl_print_string("PRF out",out);
1491 g_free(md5_out.data);
1493 g_free(sha_out.data);
1498 ssl3_generate_export_iv(StringInfo* r1,
1499 StringInfo* r2, StringInfo* out)
1505 ssl_md5_update(&md5,r1->data,r1->data_len);
1506 ssl_md5_update(&md5,r2->data,r2->data_len);
1507 ssl_md5_final(tmp,&md5);
1508 ssl_md5_cleanup(&md5);
1510 memcpy(out->data,tmp,out->data_len);
1511 ssl_print_string("export iv", out);
1517 ssl3_prf(StringInfo* secret, const gchar* usage,
1519 StringInfo* r2,StringInfo* out)
1523 StringInfo *rnd1,*rnd2;
1530 for(off=0;off<out->data_len;off+=16){
1535 ssl_debug_printf("ssl3_prf: sha1_hash(%d)\n",i);
1536 /* A, BB, CCC, ... */
1542 ssl_sha_update(&sha,buf,i);
1543 ssl_sha_update(&sha,secret->data,secret->data_len);
1545 if(!strcmp(usage,"client write key") || !strcmp(usage,"server write key")){
1546 ssl_sha_update(&sha,rnd2->data,rnd2->data_len);
1547 ssl_sha_update(&sha,rnd1->data,rnd1->data_len);
1550 ssl_sha_update(&sha,rnd1->data,rnd1->data_len);
1551 ssl_sha_update(&sha,rnd2->data,rnd2->data_len);
1554 ssl_sha_final(buf,&sha);
1555 ssl_sha_cleanup(&sha);
1557 ssl_debug_printf("ssl3_prf: md5_hash(%d) datalen %d\n",i,
1560 ssl_md5_update(&md5,secret->data,secret->data_len);
1561 ssl_md5_update(&md5,buf,20);
1562 ssl_md5_final(outbuf,&md5);
1563 ssl_md5_cleanup(&md5);
1565 tocpy=MIN(out->data_len-off,16);
1566 memcpy(out->data+off,outbuf,tocpy);
1573 ssl_create_flow(void)
1577 flow = se_alloc(sizeof(SslFlow));
1580 flow->multisegment_pdus = se_tree_create_non_persistent(EMEM_TREE_TYPE_RED_BLACK, "ssl_multisegment_pdus");
1585 /* memory allocation functions for zlib initialization */
1586 static void* ssl_zalloc(void* opaque _U_, unsigned int no, unsigned int size)
1588 return g_malloc0(no*size);
1590 static void ssl_zfree(void* opaque _U_, void* addr)
1596 static SslDecompress*
1597 ssl_create_decompressor(gint compression)
1599 SslDecompress *decomp;
1604 if (compression == 0) return NULL;
1605 ssl_debug_printf("ssl_create_decompressor: compression method %d\n", compression);
1606 decomp = se_alloc(sizeof(SslDecompress));
1607 decomp->compression = compression;
1608 switch (decomp->compression) {
1610 case 1: /* DEFLATE */
1611 decomp->istream.zalloc = ssl_zalloc;
1612 decomp->istream.zfree = ssl_zfree;
1613 decomp->istream.opaque = Z_NULL;
1614 decomp->istream.next_in = Z_NULL;
1615 decomp->istream.next_out = Z_NULL;
1616 decomp->istream.avail_in = 0;
1617 decomp->istream.avail_out = 0;
1618 err = inflateInit_(&decomp->istream, ZLIB_VERSION, sizeof(z_stream));
1620 ssl_debug_printf("ssl_create_decompressor: inflateInit_() failed - %d\n", err);
1626 ssl_debug_printf("ssl_create_decompressor: unsupported compression method %d\n", decomp->compression);
1633 ssl_create_decoder(SslCipherSuite *cipher_suite, gint compression,
1634 guint8 *mk, guint8 *sk, guint8 *iv)
1640 dec = se_alloc0(sizeof(SslDecoder));
1641 /* Find the SSLeay cipher */
1642 if(cipher_suite->enc!=ENC_NULL) {
1643 ssl_debug_printf("ssl_create_decoder CIPHER: %s\n", ciphers[cipher_suite->enc-0x30]);
1644 ciph=ssl_get_cipher_by_name(ciphers[cipher_suite->enc-0x30]);
1646 ssl_debug_printf("ssl_create_decoder CIPHER: %s\n", "NULL");
1650 ssl_debug_printf("ssl_create_decoder can't find cipher %s\n",
1651 ciphers[(cipher_suite->enc-0x30) > 7 ? 7 : (cipher_suite->enc-0x30)]);
1655 /* init mac buffer: mac storage is embedded into decoder struct to save a
1656 memory allocation and waste samo more memory*/
1657 dec->cipher_suite=cipher_suite;
1658 dec->compression = compression;
1659 dec->mac_key.data = dec->_mac_key;
1660 ssl_data_set(&dec->mac_key, mk, cipher_suite->dig_len);
1662 dec->decomp = ssl_create_decompressor(compression);
1663 dec->flow = ssl_create_flow();
1666 ssl_cipher_cleanup(&dec->evp);
1668 if (ssl_cipher_init(&dec->evp,ciph,sk,iv,cipher_suite->mode) < 0) {
1669 ssl_debug_printf("ssl_create_decoder: can't create cipher id:%d mode:%d\n",
1670 ciph, cipher_suite->mode);
1674 ssl_debug_printf("decoder initialized (digest len %d)\n", cipher_suite->dig_len);
1679 ssl_generate_keyring_material(SslDecryptSession*ssl_session)
1681 StringInfo key_block;
1682 guint8 _iv_c[MAX_BLOCK_SIZE],_iv_s[MAX_BLOCK_SIZE];
1683 guint8 _key_c[MAX_KEY_SIZE],_key_s[MAX_KEY_SIZE];
1685 guint8 *ptr,*c_wk,*s_wk,*c_mk,*s_mk,*c_iv = _iv_c,*s_iv = _iv_s;
1687 /* check for enough info to proced */
1688 guint need_all = SSL_CIPHER|SSL_CLIENT_RANDOM|SSL_SERVER_RANDOM|SSL_VERSION;
1689 guint need_any = SSL_MASTER_SECRET | SSL_PRE_MASTER_SECRET;
1690 if (((ssl_session->state & need_all) != need_all) || ((ssl_session->state & need_any) == 0)) {
1691 ssl_debug_printf("ssl_generate_keyring_material not enough data to generate key "
1692 "(0x%02X required 0x%02X or 0x%02X)\n", ssl_session->state,
1693 need_all|SSL_MASTER_SECRET, need_all|SSL_PRE_MASTER_SECRET);
1697 /* if master_key is not yet generate, create it now*/
1698 if (!(ssl_session->state & SSL_MASTER_SECRET)) {
1699 ssl_debug_printf("ssl_generate_keyring_material:PRF(pre_master_secret)\n");
1700 ssl_print_string("pre master secret",&ssl_session->pre_master_secret);
1701 ssl_print_string("client random",&ssl_session->client_random);
1702 ssl_print_string("server random",&ssl_session->server_random);
1703 if (PRF(ssl_session,&ssl_session->pre_master_secret,"master secret",
1704 &ssl_session->client_random,
1705 &ssl_session->server_random, &ssl_session->master_secret)) {
1706 ssl_debug_printf("ssl_generate_keyring_material can't generate master_secret\n");
1709 ssl_print_string("master secret",&ssl_session->master_secret);
1711 /* the pre-master secret has been 'consumend' so we must clear it now */
1712 ssl_session->state &= ~SSL_PRE_MASTER_SECRET;
1713 ssl_session->state |= SSL_MASTER_SECRET;
1716 /* Compute the key block. First figure out how much data we need*/
1717 needed=ssl_session->cipher_suite.dig_len*2;
1718 needed+=ssl_session->cipher_suite.bits / 4;
1719 if(ssl_session->cipher_suite.block>1)
1720 needed+=ssl_session->cipher_suite.block*2;
1722 key_block.data_len = needed;
1723 key_block.data = g_malloc(needed);
1724 if (!key_block.data) {
1725 ssl_debug_printf("ssl_generate_keyring_material can't allocate key_block (len %d)\n", needed);
1728 ssl_debug_printf("ssl_generate_keyring_material sess key generation\n");
1729 if (PRF(ssl_session,&ssl_session->master_secret,"key expansion",
1730 &ssl_session->server_random,&ssl_session->client_random,
1732 ssl_debug_printf("ssl_generate_keyring_material can't generate key_block\n");
1735 ssl_print_string("key expansion", &key_block);
1738 c_mk=ptr; ptr+=ssl_session->cipher_suite.dig_len;
1739 s_mk=ptr; ptr+=ssl_session->cipher_suite.dig_len;
1741 c_wk=ptr; ptr+=ssl_session->cipher_suite.eff_bits/8;
1742 s_wk=ptr; ptr+=ssl_session->cipher_suite.eff_bits/8;
1744 if(ssl_session->cipher_suite.block>1){
1745 c_iv=ptr; ptr+=ssl_session->cipher_suite.block;
1746 s_iv=ptr; ptr+=ssl_session->cipher_suite.block;
1749 if(ssl_session->cipher_suite.export){
1750 StringInfo iv_c,iv_s;
1751 StringInfo key_c,key_s;
1754 if(ssl_session->cipher_suite.block>1){
1756 /* We only have room for MAX_BLOCK_SIZE bytes IVs, but that's
1757 all we should need. This is a sanity check */
1758 if(ssl_session->cipher_suite.block>MAX_BLOCK_SIZE) {
1759 ssl_debug_printf("ssl_generate_keyring_material cipher suite block must be at most %d nut is %d\n",
1760 MAX_BLOCK_SIZE, ssl_session->cipher_suite.block);
1765 iv_c.data_len = ssl_session->cipher_suite.block;
1767 iv_s.data_len = ssl_session->cipher_suite.block;
1769 if(ssl_session->version_netorder==SSLV3_VERSION){
1770 ssl_debug_printf("ssl_generate_keyring_material ssl3_generate_export_iv\n");
1771 if (ssl3_generate_export_iv(&ssl_session->client_random,
1772 &ssl_session->server_random,&iv_c)) {
1773 ssl_debug_printf("ssl_generate_keyring_material can't generate sslv3 client iv\n");
1776 ssl_debug_printf("ssl_generate_keyring_material ssl3_generate_export_iv(2)\n");
1777 if (ssl3_generate_export_iv(&ssl_session->server_random,
1778 &ssl_session->client_random,&iv_s)) {
1779 ssl_debug_printf("ssl_generate_keyring_material can't generate sslv3 server iv\n");
1784 guint8 _iv_block[MAX_BLOCK_SIZE * 2];
1785 StringInfo iv_block;
1786 StringInfo key_null;
1789 key_null.data = &_key_null;
1790 key_null.data_len = 0;
1792 iv_block.data = _iv_block;
1793 iv_block.data_len = ssl_session->cipher_suite.block*2;
1795 ssl_debug_printf("ssl_generate_keyring_material prf(iv_block)\n");
1796 if(PRF(ssl_session,&key_null, "IV block",
1797 &ssl_session->client_random,
1798 &ssl_session->server_random,&iv_block)) {
1799 ssl_debug_printf("ssl_generate_keyring_material can't generate tls31 iv block\n");
1803 memcpy(_iv_c,iv_block.data,ssl_session->cipher_suite.block);
1804 memcpy(_iv_s,iv_block.data+ssl_session->cipher_suite.block,
1805 ssl_session->cipher_suite.block);
1812 if (ssl_session->version_netorder==SSLV3_VERSION){
1815 ssl_debug_printf("ssl_generate_keyring_material MD5(client_random)\n");
1818 ssl_md5_update(&md5,c_wk,ssl_session->cipher_suite.eff_bits/8);
1819 ssl_md5_update(&md5,ssl_session->client_random.data,
1820 ssl_session->client_random.data_len);
1821 ssl_md5_update(&md5,ssl_session->server_random.data,
1822 ssl_session->server_random.data_len);
1823 ssl_md5_final(_key_c,&md5);
1824 ssl_md5_cleanup(&md5);
1828 ssl_debug_printf("ssl_generate_keyring_material MD5(server_random)\n");
1829 ssl_md5_update(&md5,s_wk,ssl_session->cipher_suite.eff_bits/8);
1830 ssl_md5_update(&md5,ssl_session->server_random.data,
1831 ssl_session->server_random.data_len);
1832 ssl_md5_update(&md5,ssl_session->client_random.data,
1833 ssl_session->client_random.data_len);
1834 ssl_md5_final(_key_s,&md5);
1835 ssl_md5_cleanup(&md5);
1839 key_c.data = _key_c;
1840 key_c.data_len = sizeof(_key_c);
1841 key_s.data = _key_s;
1842 key_s.data_len = sizeof(_key_s);
1845 k.data_len = ssl_session->cipher_suite.eff_bits/8;
1846 ssl_debug_printf("ssl_generate_keyring_material PRF(key_c)\n");
1847 if (PRF(ssl_session,&k,"client write key",
1848 &ssl_session->client_random,
1849 &ssl_session->server_random, &key_c)) {
1850 ssl_debug_printf("ssl_generate_keyring_material can't generate tll31 server key \n");
1856 k.data_len = ssl_session->cipher_suite.eff_bits/8;
1857 ssl_debug_printf("ssl_generate_keyring_material PRF(key_s)\n");
1858 if(PRF(ssl_session,&k,"server write key",
1859 &ssl_session->client_random,
1860 &ssl_session->server_random, &key_s)) {
1861 ssl_debug_printf("ssl_generate_keyring_material can't generate tll31 client key \n");
1868 /* show key material info */
1869 ssl_print_data("Client MAC key",c_mk,ssl_session->cipher_suite.dig_len);
1870 ssl_print_data("Server MAC key",s_mk,ssl_session->cipher_suite.dig_len);
1871 ssl_print_data("Client Write key",c_wk,ssl_session->cipher_suite.bits/8);
1872 ssl_print_data("Server Write key",s_wk,ssl_session->cipher_suite.bits/8);
1874 if(ssl_session->cipher_suite.block>1) {
1875 ssl_print_data("Client Write IV",c_iv,ssl_session->cipher_suite.block);
1876 ssl_print_data("Server Write IV",s_iv,ssl_session->cipher_suite.block);
1879 ssl_print_data("Client Write IV",c_iv,8);
1880 ssl_print_data("Server Write IV",s_iv,8);
1883 /* create both client and server ciphers*/
1884 ssl_debug_printf("ssl_generate_keyring_material ssl_create_decoder(client)\n");
1885 ssl_session->client_new = ssl_create_decoder(&ssl_session->cipher_suite, ssl_session->compression, c_mk, c_wk, c_iv);
1886 if (!ssl_session->client_new) {
1887 ssl_debug_printf("ssl_generate_keyring_material can't init client decoder\n");
1890 ssl_debug_printf("ssl_generate_keyring_material ssl_create_decoder(server)\n");
1891 ssl_session->server_new = ssl_create_decoder(&ssl_session->cipher_suite, ssl_session->compression, s_mk, s_wk, s_iv);
1892 if (!ssl_session->server_new) {
1893 ssl_debug_printf("ssl_generate_keyring_material can't init client decoder\n");
1897 ssl_debug_printf("ssl_generate_keyring_material: client seq %d, server seq %d\n",
1898 ssl_session->client_new->seq, ssl_session->server_new->seq);
1899 g_free(key_block.data);
1900 ssl_session->state |= SSL_HAVE_SESSION_KEY;
1904 g_free(key_block.data);
1909 ssl_change_cipher(SslDecryptSession *ssl_session, gboolean server)
1911 ssl_debug_printf("ssl_change_cipher %s\n", (server)?"SERVER":"CLIENT");
1913 ssl_session->server = ssl_session->server_new;
1914 ssl_session->server_new = NULL;
1916 ssl_session->client = ssl_session->client_new;
1917 ssl_session->client_new = NULL;
1922 ssl_decrypt_pre_master_secret(SslDecryptSession*ssl_session,
1923 StringInfo* encrypted_pre_master, SSL_PRIVATE_KEY *pk)
1927 if(ssl_session->cipher_suite.kex == KEX_DH) {
1928 ssl_debug_printf("ssl_decrypt_pre_master_secret session uses DH (%d) key exchange, which is impossible to decrypt\n",
1931 } else if(ssl_session->cipher_suite.kex != KEX_RSA) {
1932 ssl_debug_printf("ssl_decrypt_pre_master_secret key exchange %d different from KEX_RSA (%d)\n",
1933 ssl_session->cipher_suite.kex, KEX_RSA);
1937 /* with tls key loading will fail if not rsa type, so no need to check*/
1938 ssl_print_string("pre master encrypted",encrypted_pre_master);
1939 ssl_debug_printf("ssl_decrypt_pre_master_secret:RSA_private_decrypt\n");
1940 i=ssl_private_decrypt(encrypted_pre_master->data_len,
1941 encrypted_pre_master->data, pk);
1944 ssl_debug_printf("ssl_decrypt_pre_master_secret wrong "
1945 "pre_master_secret length (%d, expected %d)\n", i, 48);
1949 /* the decrypted data has been written into the pre_master key buffer */
1950 ssl_session->pre_master_secret.data = encrypted_pre_master->data;
1951 ssl_session->pre_master_secret.data_len=48;
1952 ssl_print_string("pre master secret",&ssl_session->pre_master_secret);
1954 /* Remove the master secret if it was there.
1955 This forces keying material regeneration in
1956 case we're renegotiating */
1957 ssl_session->state &= ~(SSL_MASTER_SECRET|SSL_HAVE_SESSION_KEY);
1958 ssl_session->state |= SSL_PRE_MASTER_SECRET;
1962 /* convert network byte order 32 byte number to right-aligned host byte order *
1964 static gint fmt_seq(guint32 num, guint8* buf)
1969 netnum=g_htonl(num);
1970 memcpy(buf+4,&netnum,4);
1976 tls_check_mac(SslDecoder*decoder, gint ct, gint ver, guint8* data,
1977 guint32 datalen, guint8* mac)
1985 md=ssl_get_digest_by_name(digests[decoder->cipher_suite->dig-0x40]);
1986 ssl_debug_printf("tls_check_mac mac type:%s md %d\n",
1987 digests[decoder->cipher_suite->dig-0x40], md);
1989 if (ssl_hmac_init(&hm,decoder->mac_key.data,decoder->mac_key.data_len,md) != 0)
1992 /* hash sequence number */
1993 fmt_seq(decoder->seq,buf);
1997 ssl_hmac_update(&hm,buf,8);
1999 /* hash content type */
2001 ssl_hmac_update(&hm,buf,1);
2003 /* hash version,data length and data*/
2004 /* *((gint16*)buf) = g_htons(ver); */
2005 temp = g_htons(ver);
2006 memcpy(buf, &temp, 2);
2007 ssl_hmac_update(&hm,buf,2);
2009 /* *((gint16*)buf) = g_htons(datalen); */
2010 temp = g_htons(datalen);
2011 memcpy(buf, &temp, 2);
2012 ssl_hmac_update(&hm,buf,2);
2013 ssl_hmac_update(&hm,data,datalen);
2015 /* get digest and digest len*/
2016 ssl_hmac_final(&hm,buf,&len);
2017 ssl_hmac_cleanup(&hm);
2018 ssl_print_data("Mac", buf, len);
2019 if(memcmp(mac,buf,len))
2026 ssl3_check_mac(SslDecoder*decoder,int ct,guint8* data,
2027 guint32 datalen, guint8* mac)
2032 guint8 buf[64],dgst[20];
2036 pad_ct=(decoder->cipher_suite->dig==DIG_SHA)?40:48;
2038 /* get cipher used for digest comptuation */
2039 md=ssl_get_digest_by_name(digests[decoder->cipher_suite->dig-0x40]);
2040 if (ssl_md_init(&mc,md) !=0)
2043 /* do hash computation on data && padding */
2044 ssl_md_update(&mc,decoder->mac_key.data,decoder->mac_key.data_len);
2047 memset(buf,0x36,pad_ct);
2048 ssl_md_update(&mc,buf,pad_ct);
2050 /* hash sequence number */
2051 fmt_seq(decoder->seq,buf);
2053 ssl_md_update(&mc,buf,8);
2055 /* hash content type */
2057 ssl_md_update(&mc,buf,1);
2059 /* hash data length in network byte order and data*/
2060 /* *((gint16* )buf) = g_htons(datalen); */
2061 temp = g_htons(datalen);
2062 memcpy(buf, &temp, 2);
2063 ssl_md_update(&mc,buf,2);
2064 ssl_md_update(&mc,data,datalen);
2066 /* get partial digest */
2067 ssl_md_final(&mc,dgst,&len);
2068 ssl_md_cleanup(&mc);
2070 ssl_md_init(&mc,md);
2073 ssl_md_update(&mc,decoder->mac_key.data,decoder->mac_key.data_len);
2075 /* hash padding and partial digest*/
2076 memset(buf,0x5c,pad_ct);
2077 ssl_md_update(&mc,buf,pad_ct);
2078 ssl_md_update(&mc,dgst,len);
2080 ssl_md_final(&mc,dgst,&len);
2081 ssl_md_cleanup(&mc);
2083 if(memcmp(mac,dgst,len))
2091 dtls_check_mac(SslDecoder*decoder, gint ct,int ver, guint8* data,
2092 guint32 datalen, guint8* mac)
2099 md=ssl_get_digest_by_name(digests[decoder->cipher_suite->dig-0x40]);
2100 ssl_debug_printf("dtls_check_mac mac type:%s md %d\n",
2101 digests[decoder->cipher_suite->dig-0x40], md);
2103 if (ssl_hmac_init(&hm,decoder->mac_key.data,decoder->mac_key.data_len,md) != 0)
2105 ssl_debug_printf("dtls_check_mac seq: %d epoch: %d\n",decoder->seq,decoder->epoch);
2106 /* hash sequence number */
2107 fmt_seq(decoder->seq,buf);
2108 buf[0]=decoder->epoch>>8;
2109 buf[1]=decoder->epoch;
2111 ssl_hmac_update(&hm,buf,8);
2113 /* hash content type */
2115 ssl_hmac_update(&hm,buf,1);
2117 /* hash version,data length and data */
2118 *((gint16*)buf) = g_htons(ver);
2119 ssl_hmac_update(&hm,buf,2);
2121 *((gint16*)buf) = g_htons(datalen);
2122 ssl_hmac_update(&hm,buf,2);
2123 ssl_hmac_update(&hm,data,datalen);
2124 /* get digest and digest len */
2125 ssl_hmac_final(&hm,buf,&len);
2126 ssl_hmac_cleanup(&hm);
2127 ssl_print_data("Mac", buf, len);
2128 if(memcmp(mac,buf,len))
2137 ssl_decompress_record(SslDecompress* decomp, const guchar* in, guint inl, StringInfo* out_str, guint* outl)
2141 switch (decomp->compression) {
2142 case 1: /* DEFLATE */
2144 if (out_str->data_len < 16384) { /* maximal plain length */
2145 ssl_data_realloc(out_str, 16384);
2147 decomp->istream.next_in = (guchar*)in;
2148 decomp->istream.avail_in = inl;
2149 decomp->istream.next_out = out_str->data;
2150 decomp->istream.avail_out = out_str->data_len;
2152 err = inflate(&decomp->istream, Z_SYNC_FLUSH);
2154 ssl_debug_printf("ssl_decompress_record: inflate() failed - %d\n", err);
2157 *outl = out_str->data_len - decomp->istream.avail_out;
2160 ssl_debug_printf("ssl_decompress_record: unsupported compression method %d\n", decomp->compression);
2167 ssl_decompress_record(SslDecompress* decomp _U_, const guchar* in _U_, guint inl _U_, StringInfo* out_str _U_, guint* outl _U_)
2169 ssl_debug_printf("ssl_decompress_record: unsupported compression method %d\n", decomp->compression);
2175 ssl_decrypt_record(SslDecryptSession*ssl,SslDecoder* decoder, gint ct,
2176 const guchar* in, guint inl, StringInfo* comp_str, StringInfo* out_str, guint* outl)
2178 guint pad, worklen, uncomplen;
2181 ssl_debug_printf("ssl_decrypt_record ciphertext len %d\n", inl);
2182 ssl_print_data("Ciphertext",in, inl);
2184 /* ensure we have enough storage space for decrypted data */
2185 if (inl > out_str->data_len)
2187 ssl_debug_printf("ssl_decrypt_record: allocating %d bytes for decrypt data (old len %d)\n",
2188 inl + 32, out_str->data_len);
2189 ssl_data_realloc(out_str, inl + 32);
2193 if ((pad = ssl_cipher_decrypt(&decoder->evp, out_str->data, out_str->data_len, in, inl))!= 0) {
2194 ssl_debug_printf("ssl_decrypt_record failed: ssl_cipher_decrypt: %s %s\n", gcry_strsource (pad),
2195 gcry_strerror (pad));
2199 ssl_print_data("Plaintext", out_str->data, inl);
2202 /* Now strip off the padding*/
2203 if(decoder->cipher_suite->block!=1) {
2204 pad=out_str->data[inl-1];
2206 ssl_debug_printf("ssl_decrypt_record found padding %d final len %d\n",
2211 if (decoder->cipher_suite->dig_len > (gint)worklen)
2213 ssl_debug_printf("ssl_decrypt_record wrong record len/padding outlen %d\n work %d\n",*outl, worklen);
2216 worklen-=decoder->cipher_suite->dig_len;
2217 mac = out_str->data + worklen;
2219 /* if TLS 1.1 we use the transmitted IV and remove it after (to not modify dissector in others parts)*/
2220 if(ssl->version_netorder==TLSV1DOT1_VERSION){
2221 worklen=worklen-decoder->cipher_suite->block;
2222 memcpy(out_str->data,out_str->data+decoder->cipher_suite->block,worklen);
2224 if(ssl->version_netorder==DTLSV1DOT0_VERSION ||
2225 ssl->version_netorder==DTLSV1DOT0_VERSION_NOT){
2226 worklen=worklen-decoder->cipher_suite->block;
2227 memcpy(out_str->data,out_str->data+decoder->cipher_suite->block,worklen);
2229 /* Now check the MAC */
2230 ssl_debug_printf("checking mac (len %d, version %X, ct %d seq %d)\n",
2231 worklen, ssl->version_netorder, ct, decoder->seq);
2232 if(ssl->version_netorder==SSLV3_VERSION){
2233 if(ssl3_check_mac(decoder,ct,out_str->data,worklen,mac) < 0) {
2234 ssl_debug_printf("ssl_decrypt_record: mac failed\n");
2238 else if(ssl->version_netorder==TLSV1_VERSION || ssl->version_netorder==TLSV1DOT1_VERSION){
2239 if(tls_check_mac(decoder,ct,ssl->version_netorder,out_str->data,worklen,mac)< 0) {
2240 ssl_debug_printf("ssl_decrypt_record: mac failed\n");
2244 else if(ssl->version_netorder==DTLSV1DOT0_VERSION ||
2245 ssl->version_netorder==DTLSV1DOT0_VERSION_NOT){
2246 /* following the openssl dtls errors the right test is:
2247 if(dtls_check_mac(decoder,ct,ssl->version_netorder,out_str->data,worklen,mac)< 0) { */
2248 if(tls_check_mac(decoder,ct,TLSV1_VERSION,out_str->data,worklen,mac)< 0) {
2249 ssl_debug_printf("ssl_decrypt_record: mac failed\n");
2253 ssl_debug_printf("ssl_decrypt_record: mac ok\n");
2256 if (decoder->compression > 0) {
2257 ssl_debug_printf("ssl_decrypt_record: compression method %d\n", decoder->compression);
2258 ssl_data_copy(comp_str, out_str);
2259 ssl_print_data("Plaintext compressed", comp_str->data, worklen);
2260 if (!decoder->decomp) {
2261 ssl_debug_printf("decrypt_ssl3_record: no decoder available\n");
2264 if (ssl_decompress_record(decoder->decomp, comp_str->data, worklen, out_str, &uncomplen) < 0) return -1;
2265 ssl_print_data("Plaintext uncompressed", out_str->data, uncomplen);
2273 ssl_get_version(gint* major, gint* minor, gint* patch)
2282 ssl_privkey_to_sexp(struct gnutls_x509_privkey_int* priv_key)
2284 gnutls_datum_t rsa_datum[RSA_PARS]; /* m, e, d, p, q, u */
2286 gcry_sexp_t rsa_priv_key;
2287 gint major, minor, patch;
2288 gint i, p_idx, q_idx;
2291 unsigned char buf_keyid[32];
2294 gcry_mpi_t* rsa_params = g_malloc(sizeof(gcry_mpi_t)*RSA_PARS);
2296 gcry_mpi_t rsa_params[RSA_PARS];
2299 buf_len = sizeof(buf_keyid);
2300 ret = gnutls_x509_privkey_get_key_id(priv_key, 0, buf_keyid, &buf_len);
2302 ssl_debug_printf( "gnutls_x509_privkey_get_key_id(ssl_pkey, 0, buf_keyid, &buf_len) - %s\n", gnutls_strerror(ret));
2304 ssl_debug_printf( "Private key imported: KeyID %s\n", bytes_to_str_punct(buf_keyid, (int) buf_len, ':'));
2308 * note: openssl and gnutls use 'p' and 'q' with opposite meaning:
2309 * our 'p' must be equal to 'q' as provided from openssl and viceversa
2312 #if (LIBGNUTLS_VERSION_MAJOR>2)||((LIBGNUTLS_VERSION_MAJOR==2)&&(LIBGNUTLS_VERSION_MINOR>=5))
2313 p_idx = 3; q_idx = 4;
2314 #else /* versions 2.4.x and older need 'p' and 'q' swapped */
2315 p_idx = 4; q_idx = 3;
2318 /* RSA get parameter */
2319 if (gnutls_x509_privkey_export_rsa_raw(priv_key,
2325 &rsa_datum[5]) != 0) {
2326 ssl_debug_printf("ssl_load_key: can't export rsa param (is a rsa private key file ?!?)\n");
2333 /* convert each rsa parameter to mpi format*/
2334 for(i=0; i<RSA_PARS; i++) {
2335 if (gcry_mpi_scan(&rsa_params[i], GCRYMPI_FMT_USG, rsa_datum[i].data, rsa_datum[i].size,&tmp_size) != 0) {
2336 ssl_debug_printf("ssl_load_key: can't convert m rsa param to int (size %d)\n", rsa_datum[i].size);
2344 ssl_get_version(&major, &minor, &patch);
2346 /* certain versions of gnutls require swap of rsa params 'p' and 'q' */
2347 if ((major <= 1) && (minor <= 0) && (patch <=13))
2350 ssl_debug_printf("ssl_load_key: swapping p and q parameters\n");
2351 tmp = rsa_params[4];
2352 rsa_params[4] = rsa_params[3];
2353 rsa_params[3] = tmp;
2356 if (gcry_sexp_build( &rsa_priv_key, NULL,
2357 "(private-key(rsa((n%m)(e%m)(d%m)(p%m)(q%m)(u%m))))", rsa_params[0],
2358 rsa_params[1], rsa_params[2], rsa_params[3], rsa_params[4],
2359 rsa_params[5]) != 0) {
2360 ssl_debug_printf("ssl_load_key: can't build rsa private key s-exp\n");
2370 for (i=0; i< 6; i++)
2371 gcry_mpi_release(rsa_params[i]);
2372 return rsa_priv_key;
2378 ssl_load_key(FILE* fp)
2380 /* gnutls make our work much harded, since we have to work internally with
2381 * s-exp formatted data, but PEM loader export only in "gnutls_datum"
2382 * format, and a datum -> s-exp convertion function does not exist.
2384 gnutls_x509_privkey_t priv_key;
2389 Ssl_private_key_t *private_key = g_malloc(sizeof(Ssl_private_key_t));
2390 private_key->x509_cert = 0;
2391 private_key->x509_pkey = 0;
2392 private_key->sexp_pkey = 0;
2394 /* init private key data*/
2395 gnutls_x509_privkey_init(&priv_key);
2397 /* compute file size and load all file contents into a datum buffer*/
2398 if (fseek(fp, 0, SEEK_END) < 0) {
2399 ssl_debug_printf("ssl_load_key: can't fseek file\n");
2400 g_free(private_key);
2403 if ((size = ftell(fp)) < 0) {
2404 ssl_debug_printf("ssl_load_key: can't ftell file\n");
2405 g_free(private_key);
2408 if (fseek(fp, 0, SEEK_SET) < 0) {
2409 ssl_debug_printf("ssl_load_key: can't re-fseek file\n");
2410 g_free(private_key);
2413 key.data = g_malloc(size);
2415 bytes = (guint) fread(key.data, 1, key.size, fp);
2416 if (bytes < key.size) {
2417 ssl_debug_printf("ssl_load_key: can't read from file %d bytes, got %d\n",
2419 g_free(private_key);
2424 /* import PEM data*/
2425 if (gnutls_x509_privkey_import(priv_key, &key, GNUTLS_X509_FMT_PEM)!=0) {
2426 ssl_debug_printf("ssl_load_key: can't import pem data\n");
2427 g_free(private_key);
2433 private_key->x509_pkey = priv_key;
2434 private_key->sexp_pkey = ssl_privkey_to_sexp(priv_key);
2435 if ( !private_key->sexp_pkey ) {
2436 g_free(private_key);
2443 BAGTYPE(gnutls_pkcs12_bag_type_t x) {
2445 case GNUTLS_BAG_EMPTY: return "Empty";
2446 case GNUTLS_BAG_PKCS8_ENCRYPTED_KEY: return "PKCS#8 Encrypted key";
2447 case GNUTLS_BAG_PKCS8_KEY: return "PKCS#8 Key";
2448 case GNUTLS_BAG_CERTIFICATE: return "Certificate";
2449 case GNUTLS_BAG_CRL: return "CRL";
2450 case GNUTLS_BAG_ENCRYPTED: return "Encrypted";
2451 case GNUTLS_BAG_UNKNOWN: return "Unknown";
2452 default: return "<undefined>";
2457 ssl_load_pkcs12(FILE* fp, const gchar *cert_passwd) {
2462 gnutls_datum_t data;
2463 gnutls_pkcs12_bag_t bag = NULL;
2464 gnutls_pkcs12_bag_type_t bag_type;
2465 size_t len, buf_len;
2466 static char buf_name[256];
2467 static char buf_email[128];
2468 unsigned char buf_keyid[32];
2470 gnutls_pkcs12_t ssl_p12 = NULL;
2471 gnutls_x509_crt_t ssl_cert = NULL;
2472 gnutls_x509_privkey_t ssl_pkey = NULL;
2474 Ssl_private_key_t *private_key = g_malloc(sizeof(Ssl_private_key_t));
2475 private_key->x509_cert = 0;
2476 private_key->x509_pkey = 0;
2477 private_key->sexp_pkey = 0;
2480 data.data = g_malloc(rest);
2483 while ((len = fread(p, 1, rest, fp)) > 0) {
2488 data.data = g_realloc(data.data, data.size + rest);
2489 p = data.data + data.size;
2494 ssl_debug_printf("%d bytes read\n", data.size);
2496 ssl_debug_printf( "Error during certificate reading.\n");
2497 g_free(private_key);
2501 ret = gnutls_pkcs12_init(&ssl_p12);
2503 ssl_debug_printf("gnutls_pkcs12_init(&st_p12) - %s", gnutls_strerror(ret));
2504 g_free(private_key);
2507 ret = gnutls_pkcs12_import(ssl_p12, &data, GNUTLS_X509_FMT_DER, 0);
2510 ssl_debug_printf("gnutls_pkcs12_import(ssl_p12, &data, GNUTLS_X509_FMT_DER, 0) - %s\n", gnutls_strerror(ret));
2511 g_free(private_key);
2515 ssl_debug_printf( "PKCS#12 imported\n");
2517 for (i=0; ret==0; i++) {
2519 if (bag) { gnutls_pkcs12_bag_deinit(bag); bag = NULL; }
2521 ret = gnutls_pkcs12_bag_init(&bag);
2522 if (ret < 0) continue;
2524 ret = gnutls_pkcs12_get_bag(ssl_p12, i, bag);
2525 if (ret < 0) continue;
2527 for (j=0; ret==0 && j<gnutls_pkcs12_bag_get_count(bag); j++) {
2529 bag_type = gnutls_pkcs12_bag_get_type(bag, j);
2530 if (bag_type >= GNUTLS_BAG_UNKNOWN) continue;
2531 ssl_debug_printf( "Bag %d/%d: %s\n", i, j, BAGTYPE(bag_type));
2532 if (bag_type == GNUTLS_BAG_ENCRYPTED) {
2533 ret = gnutls_pkcs12_bag_decrypt(bag, cert_passwd);
2535 bag_type = gnutls_pkcs12_bag_get_type(bag, j);
2536 if (bag_type >= GNUTLS_BAG_UNKNOWN) continue;
2537 ssl_debug_printf( "Bag %d/%d decrypted: %s\n", i, j, BAGTYPE(bag_type));
2542 ret = gnutls_pkcs12_bag_get_data(bag, j, &data);
2543 if (ret < 0) continue;
2547 case GNUTLS_BAG_CERTIFICATE:
2549 ret = gnutls_x509_crt_init(&ssl_cert);
2551 ssl_debug_printf( "gnutls_x509_crt_init(&ssl_cert) - %s\n", gnutls_strerror(ret));
2552 g_free(private_key);
2556 ret = gnutls_x509_crt_import(ssl_cert, &data, GNUTLS_X509_FMT_DER);
2558 ssl_debug_printf( "gnutls_x509_crt_import(ssl_cert, &data, GNUTLS_X509_FMT_DER) - %s\n", gnutls_strerror(ret));
2559 g_free(private_key);
2563 buf_len = sizeof(buf_name);
2564 ret = gnutls_x509_crt_get_dn_by_oid(ssl_cert, GNUTLS_OID_X520_COMMON_NAME, 0, 0, buf_name, &buf_len);
2565 if (ret < 0) { g_strlcpy(buf_name, "<ERROR>", 256); }
2566 buf_len = sizeof(buf_email);
2567 ret = gnutls_x509_crt_get_dn_by_oid(ssl_cert, GNUTLS_OID_PKCS9_EMAIL, 0, 0, buf_email, &buf_len);
2568 if (ret < 0) { g_strlcpy(buf_email, "<ERROR>", 128); }
2570 buf_len = sizeof(buf_keyid);
2571 ret = gnutls_x509_crt_get_key_id(ssl_cert, 0, buf_keyid, &buf_len);
2572 if (ret < 0) { g_strlcpy(buf_keyid, "<ERROR>", 32); }
2574 private_key->x509_cert = ssl_cert;
2575 ssl_debug_printf( "Certificate imported: %s <%s>, KeyID %s\n", buf_name, buf_email, bytes_to_str(buf_keyid, (int) buf_len));
2578 case GNUTLS_BAG_PKCS8_KEY:
2579 case GNUTLS_BAG_PKCS8_ENCRYPTED_KEY:
2581 ret = gnutls_x509_privkey_init(&ssl_pkey);
2583 ssl_debug_printf( "gnutls_x509_privkey_init(&ssl_pkey) - %s\n", gnutls_strerror(ret));
2584 g_free(private_key);
2587 ret = gnutls_x509_privkey_import_pkcs8(ssl_pkey, &data, GNUTLS_X509_FMT_DER, cert_passwd,
2588 (bag_type==GNUTLS_BAG_PKCS8_KEY) ? GNUTLS_PKCS_PLAIN : 0);
2590 ssl_debug_printf( "Can not decrypt private key - %s\n", gnutls_strerror(ret));
2591 g_free(private_key);
2595 private_key->x509_pkey = ssl_pkey;
2596 private_key->sexp_pkey = ssl_privkey_to_sexp(ssl_pkey);
2597 if ( !private_key->sexp_pkey ) {
2598 g_free(private_key);
2612 void ssl_free_key(Ssl_private_key_t* key)
2616 for (i=0; i< 6; i++)
2617 gcry_mpi_release(key->sexp_pkey[i]);
2619 gcry_sexp_release(key->sexp_pkey);
2622 if (!key->x509_cert)
2623 gnutls_x509_crt_deinit (key->x509_cert);
2625 if (!key->x509_pkey)
2626 gnutls_x509_privkey_deinit(key->x509_pkey);
2628 g_free((Ssl_private_key_t*)key);
2632 ssl_find_private_key(SslDecryptSession *ssl_session, GHashTable *key_hash, GTree* associations, packet_info *pinfo) {
2634 char ip_addr_any[] = {0,0,0,0};
2636 Ssl_private_key_t * private_key;
2638 /* we need to know which side of the conversation is speaking */
2639 if (ssl_packet_from_server(ssl_session, associations, pinfo)) {
2640 dummy.addr = pinfo->src;
2641 dummy.port = port = pinfo->srcport;
2643 dummy.addr = pinfo->dst;
2644 dummy.port = port = pinfo->destport;
2646 ssl_debug_printf("ssl_find_private_key server %s:%u\n",
2647 ep_address_to_str(&dummy.addr),dummy.port);
2649 /* try to retrieve private key for this service. Do it now 'cause pinfo
2650 * is not always available
2651 * Note that with HAVE_LIBGNUTLS undefined private_key is allways 0
2652 * and thus decryption never engaged*/
2655 ssl_session->private_key = 0;
2656 private_key = g_hash_table_lookup(key_hash, &dummy);
2659 ssl_debug_printf("ssl_find_private_key can't find private key for this server! Try it again with universal port 0\n");
2662 private_key = g_hash_table_lookup(key_hash, &dummy);
2666 ssl_debug_printf("ssl_find_private_key can't find private key for this server (universal port)! Try it again with universal address 0.0.0.0\n");
2668 dummy.addr.type = AT_IPv4;
2670 dummy.addr.data = ip_addr_any;
2673 private_key = g_hash_table_lookup(key_hash, &dummy);
2677 ssl_debug_printf("ssl_find_private_key can't find any private key!\n");
2679 ssl_session->private_key = private_key->sexp_pkey;
2688 const gchar* str = gnutls_check_version(NULL);
2690 /* get library version */
2691 /* old relase of gnutls does not define the appropriate macros, so get
2692 * them from the string*/
2693 ssl_debug_printf("gnutls version: %s\n", str);
2694 sscanf(str, "%d.%d.%d", &ver_major, &ver_minor, &ver_patch);
2697 #else /* HAVE_LIBGNUTLS */
2698 /* no libgnutl: dummy operation to keep interface consistent*/
2705 ssl_load_key(FILE* fp)
2707 ssl_debug_printf("ssl_load_key: impossible without gnutls. fp %p\n",fp);
2712 ssl_load_pkcs12(FILE* fp, const gchar *cert_passwd _U_) {
2713 ssl_debug_printf("ssl_load_pkcs12: impossible without gnutls. fp %p\n",fp);
2718 ssl_free_key(Ssl_private_key_t* key _U_)
2723 ssl_find_private_key(SslDecryptSession *ssl_session _U_, GHashTable *key_hash _U_, GTree* associations _U_, packet_info *pinfo _U_)
2729 ssl_find_cipher(int num,SslCipherSuite* cs)
2731 ssl_debug_printf("ssl_find_cipher: dummy without gnutls. num %d cs %p\n",
2736 ssl_generate_keyring_material(SslDecryptSession*ssl)
2738 ssl_debug_printf("ssl_generate_keyring_material: impossible without gnutls. ssl %p\n",
2743 ssl_change_cipher(SslDecryptSession *ssl_session, gboolean server)
2745 ssl_debug_printf("ssl_change_cipher %s: makes no sense without gnutls. ssl %p\n",
2746 (server)?"SERVER":"CLIENT", ssl_session);
2750 ssl_decrypt_pre_master_secret(SslDecryptSession* ssl_session,
2751 StringInfo* encrypted_pre_master, SSL_PRIVATE_KEY *pk)
2753 ssl_debug_printf("ssl_decrypt_pre_master_secret: impossible without gnutls."
2754 " ssl %p encrypted_pre_master %p pk %p\n", ssl_session,
2755 encrypted_pre_master, pk);
2760 ssl_decrypt_record(SslDecryptSession*ssl, SslDecoder* decoder, gint ct,
2761 const guchar* in, guint inl, StringInfo* comp_str _U_, StringInfo* out, guint* outl)
2763 ssl_debug_printf("ssl_decrypt_record: impossible without gnutls. ssl %p"
2764 "decoder %p ct %d, in %p inl %d out %p outl %p\n", ssl, decoder, ct,
2765 in, inl, out, outl);
2770 ssl_cipher_setiv(SSL_CIPHER_CTX *cipher _U_, guchar* iv _U_, gint iv_len _U_)
2772 ssl_debug_printf("ssl_cipher_setiv: impossible without gnutls.\n");
2776 #endif /* HAVE_LIBGNUTLS */
2778 /* get ssl data for this session. if no ssl data is found allocate a new one*/
2780 ssl_session_init(SslDecryptSession* ssl_session)
2782 ssl_debug_printf("ssl_session_init: initializing ptr %p size %" G_GSIZE_MODIFIER "u\n",
2783 (void *)ssl_session, sizeof(SslDecryptSession));
2785 ssl_session->master_secret.data = ssl_session->_master_secret;
2786 ssl_session->session_id.data = ssl_session->_session_id;
2787 ssl_session->client_random.data = ssl_session->_client_random;
2788 ssl_session->server_random.data = ssl_session->_server_random;
2789 ssl_session->master_secret.data_len = 48;
2790 ssl_session->server_data_for_iv.data_len = 0;
2791 ssl_session->server_data_for_iv.data = ssl_session->_server_data_for_iv;
2792 ssl_session->client_data_for_iv.data_len = 0;
2793 ssl_session->client_data_for_iv.data = ssl_session->_client_data_for_iv;
2794 ssl_session->app_data_segment.data=NULL;
2795 ssl_session->app_data_segment.data_len=0;
2796 SET_ADDRESS(&ssl_session->srv_addr, AT_NONE, 0, NULL);
2797 ssl_session->srv_ptype = PT_NONE;
2798 ssl_session->srv_port = 0;
2802 ssl_set_server(SslDecryptSession* ssl, address *addr, port_type ptype, guint32 port)
2804 SE_COPY_ADDRESS(&ssl->srv_addr, addr);
2805 ssl->srv_ptype = ptype;
2806 ssl->srv_port = port;
2809 /* Hash Functions for TLS/DTLS sessions table and private keys table*/
2811 ssl_equal (gconstpointer v, gconstpointer v2)
2813 const StringInfo *val1;
2814 const StringInfo *val2;
2815 val1 = (const StringInfo *)v;
2816 val2 = (const StringInfo *)v2;
2818 if (val1->data_len == val2->data_len &&
2819 !memcmp(val1->data, val2->data, val2->data_len)) {
2826 ssl_hash (gconstpointer v)
2829 const StringInfo* id;
2832 id = (const StringInfo*) v;
2834 /* id and id->data are mallocated in ssl_save_session(). As such 'data'
2835 * should be aligned for any kind of access (for example as a guint as
2836 * is done below). The intermediate void* cast is to prevent "cast
2837 * increases required alignment of target type" warnings on CPUs (such
2838 * as SPARCs) that do not allow misaligned memory accesses.
2840 cur = (const guint*)(void*) id->data;
2842 for (l=4; (l < id->data_len); l+=4, cur++)
2843 hash = hash ^ (*cur);
2849 ssl_private_key_equal (gconstpointer v, gconstpointer v2)
2851 const SslService *val1;
2852 const SslService *val2;
2853 val1 = (const SslService *)v;
2854 val2 = (const SslService *)v2;
2856 if ((val1->port == val2->port) &&
2857 ! CMP_ADDRESS(&val1->addr, &val2->addr)) {
2864 ssl_private_key_hash (gconstpointer v)
2866 const SslService *key;
2867 guint l, hash, len ;
2869 key = (const SslService *)v;
2871 len = key->addr.len;
2872 cur = (const guint*) key->addr.data;
2874 for (l=4; (l<len); l+=4, cur++)
2875 hash = hash ^ (*cur);
2880 /* private key table entries have a scope 'larger' then packet capture,
2881 * so we can't relay on se_alloc** function */
2883 ssl_private_key_free(gpointer id, gpointer key, gpointer dummy _U_)
2886 ssl_free_key((Ssl_private_key_t*) key);
2889 /* handling of association between tls/dtls ports and clear text protocol */
2891 ssl_association_add(GTree* associations, dissector_handle_t handle, guint port, const gchar *protocol, gboolean tcp, gboolean from_key_list)
2894 SslAssociation* assoc;
2895 assoc = g_malloc(sizeof(SslAssociation));
2898 assoc->ssl_port = port;
2899 assoc->info=g_strdup(protocol);
2900 assoc->handle = find_dissector(protocol);
2901 assoc->from_key_list = from_key_list;
2903 ssl_debug_printf("association_add %s port %d protocol %s handle %p\n",
2904 (assoc->tcp)?"TCP":"UDP", port, protocol, (void *)(assoc->handle));
2907 if (!assoc->handle) {
2908 ssl_debug_printf("association_add could not find handle for protocol '%s', try to find 'data' dissector\n", protocol);
2909 assoc->handle = find_dissector("data");
2912 if(!assoc->handle) {
2913 fprintf(stderr, "association_add() could not find handle for protocol:%s\n",protocol);
2917 dissector_add("tcp.port", port, handle);
2919 dissector_add("udp.port", port, handle);
2921 g_tree_insert(associations, assoc, assoc);
2926 ssl_association_remove(GTree* associations, SslAssociation *assoc)
2928 ssl_debug_printf("ssl_association_remove removing %s %u - %s handle %p\n",
2929 (assoc->tcp)?"TCP":"UDP", assoc->ssl_port, assoc->info, (void *)(assoc->handle));
2931 dissector_delete((assoc->tcp)?"tcp.port":"udp.port", assoc->ssl_port, assoc->handle);
2933 g_free(assoc->info);
2935 g_tree_remove(associations, assoc);
2940 ssl_association_cmp(gconstpointer a, gconstpointer b)
2942 const SslAssociation *assoc_a=a, *assoc_b=b;
2943 if (assoc_a->tcp != assoc_b->tcp) return (assoc_a->tcp)?1:-1;
2944 return assoc_a->ssl_port - assoc_b->ssl_port;
2948 ssl_association_find(GTree * associations, guint port, gboolean tcp)
2950 register SslAssociation* ret;
2951 SslAssociation assoc_tmp;
2953 assoc_tmp.tcp = tcp;
2954 assoc_tmp.ssl_port = port;
2955 ret = g_tree_lookup(associations, &assoc_tmp);
2957 ssl_debug_printf("association_find: %s port %d found %p\n", (tcp)?"TCP":"UDP", port, (void *)ret);
2962 ssl_assoc_from_key_list(gpointer key _U_, gpointer data, gpointer user_data)
2964 if (((SslAssociation*)data)->from_key_list)
2965 ep_stack_push((ep_stack_t)user_data, data);
2970 ssl_packet_from_server(SslDecryptSession* ssl, GTree* associations, packet_info *pinfo)
2973 if (ssl && (ssl->srv_ptype != PT_NONE)) {
2974 ret = (ssl->srv_ptype == pinfo->ptype) && (ssl->srv_port == pinfo->srcport) && ADDRESSES_EQUAL(&ssl->srv_addr, &pinfo->src);
2976 ret = ssl_association_find(associations, pinfo->srcport, pinfo->ptype == PT_TCP) != 0;
2979 ssl_debug_printf("packet_from_server: is from server - %s\n", (ret)?"TRUE":"FALSE");
2983 /* add to packet data a newly allocated tvb with the specified real data*/
2985 ssl_add_record_info(gint proto, packet_info *pinfo, guchar* data, gint data_len, gint record_id)
2990 real_data = se_alloc(data_len);
2991 rec = se_alloc(sizeof(SslRecordInfo));
2992 pi = p_get_proto_data(pinfo->fd, proto);
2996 pi = se_alloc0(sizeof(SslPacketInfo));
2997 p_add_proto_data(pinfo->fd, proto,pi);
3000 rec->id = record_id;
3001 rec->tvb = tvb_new_real_data(real_data, data_len, data_len);
3002 memcpy(real_data, data, data_len);
3004 /* head insertion */
3005 rec->next= pi->handshake_data;
3006 pi->handshake_data = rec;
3010 /* search in packet data the tvbuff associated to the specified id */
3012 ssl_get_record_info(int proto, packet_info *pinfo, gint record_id)
3016 pi = p_get_proto_data(pinfo->fd, proto);
3021 for (rec = pi->handshake_data; rec; rec = rec->next)
3022 if (rec->id == record_id)
3029 ssl_add_data_info(gint proto, packet_info *pinfo, guchar* data, gint data_len, gint key, SslFlow *flow)
3031 SslDataInfo *rec, **prec;
3034 pi = p_get_proto_data(pinfo->fd, proto);
3037 pi = se_alloc0(sizeof(SslPacketInfo));
3038 p_add_proto_data(pinfo->fd, proto,pi);
3041 rec = se_alloc(sizeof(SslDataInfo)+data_len);
3043 rec->plain_data.data = (guchar*)(rec + 1);
3044 memcpy(rec->plain_data.data, data, data_len);
3045 rec->plain_data.data_len = data_len;
3046 rec->seq = flow->byte_seq;
3047 rec->nxtseq = flow->byte_seq + data_len;
3051 flow->byte_seq += data_len;
3054 prec = &pi->appl_data;
3055 while (*prec) prec = &(*prec)->next;
3058 ssl_debug_printf("ssl_add_data_info: new data inserted data_len = %d, seq = %u, nxtseq = %u\n",
3059 rec->plain_data.data_len, rec->seq, rec->nxtseq);
3063 ssl_get_data_info(int proto, packet_info *pinfo, gint key)
3067 pi = p_get_proto_data(pinfo->fd, proto);
3069 if (!pi) return NULL;
3071 rec = pi->appl_data;
3073 if (rec->key == key) return rec;
3080 /* initialize/reset per capture state data (ssl sessions cache) */
3082 ssl_common_init(GHashTable **session_hash, StringInfo *decrypted_data, StringInfo *compressed_data)
3085 g_hash_table_destroy(*session_hash);
3086 *session_hash = g_hash_table_new(ssl_hash, ssl_equal);
3088 g_free(decrypted_data->data);
3089 ssl_data_alloc(decrypted_data, 32);
3091 g_free(compressed_data->data);
3092 ssl_data_alloc(compressed_data, 32);
3095 /* parse ssl related preferences (private keys and ports association strings) */
3097 ssl_parse_key_list(const gchar * keys_list, GHashTable *key_hash, GTree* associations, dissector_handle_t handle, gboolean tcp)
3103 SslService* service;
3104 Ssl_private_key_t * private_key, *tmp_private_key;
3107 start = g_strdup(keys_list);
3109 ssl_debug_printf("ssl_init keys string:\n%s\n", start);
3111 int read_index, write_index;
3112 gchar* addr, *port, *protocol, *filename, *cert_passwd;
3115 /* split ip/file couple with ';' separator*/
3116 end = strpbrk(start, ";\n\r");
3122 /* skip comments (in file) */
3123 if (addr[0] == '#') continue;
3125 /* for each entry split ip, port, protocol, filename with ',' separator */
3126 ssl_debug_printf("ssl_init found host entry %s\n", addr);
3127 port = strchr(addr, ',');
3130 ssl_debug_printf("ssl_init entry malformed can't find port in '%s'\n", addr);
3136 protocol = strchr(port,',');
3139 ssl_debug_printf("ssl_init entry malformed can't find protocol in %s\n", port);
3145 filename = strchr(protocol,',');
3148 ssl_debug_printf("ssl_init entry malformed can't find filename in %s\n", protocol);
3154 cert_passwd = strchr(filename,',');
3161 /* convert ip and port string to network rappresentation*/
3162 service = g_malloc(sizeof(SslService) + 4);
3163 service->addr.type = AT_IPv4;
3164 service->addr.len = 4;
3165 service->addr.data = ip = ((guchar*)service) + sizeof(SslService);
3167 /* remove all spaces in addr */
3171 while(addr[read_index]) {
3172 if (addr[read_index] != ' ') {
3173 addr[write_index] = addr[read_index];
3178 addr[write_index] = 0;
3180 if ( !strcmp("any", addr) || !strcmp("ANY", addr) ) {
3186 guint tmp0, tmp1, tmp2, tmp3;
3188 sscanf(addr, "%u.%u.%u.%u", &tmp0, &tmp1, &tmp2, &tmp3);
3189 ip[0] = (guchar)tmp0;
3190 ip[1] = (guchar)tmp1;
3191 ip[2] = (guchar)tmp2;
3192 ip[3] = (guchar)tmp3;
3195 if(!strcmp("start_tls", port)) {
3198 service->port = atoi(port);
3200 ssl_debug_printf("ssl_init addr '%u.%u.%u.%u' port '%d' filename '%s' password(only for p12 file) '%s'\n",
3201 ip[0], ip[1], ip[2], ip[3], service->port, filename, cert_passwd ? cert_passwd : "(null)");
3203 /* try to load pen or p12 file*/
3204 fp = ws_fopen(filename, "rb");
3206 fprintf(stderr, "can't open file %s \n",filename);
3211 private_key = ssl_load_key(fp);
3215 private_key = ssl_load_pkcs12(fp,cert_passwd);
3219 fprintf(stderr,"can't load private key from %s\n",
3226 ssl_debug_printf("ssl_init private key file %s successfully loaded\n",filename);
3228 /* if item exists, remove first */
3229 tmp_private_key = g_hash_table_lookup(key_hash, service);
3230 if (tmp_private_key) {
3231 g_hash_table_remove(key_hash, service);
3232 ssl_free_key(tmp_private_key);
3234 g_hash_table_insert(key_hash, service, private_key);
3236 ssl_association_add(associations, handle, service->port, protocol, tcp, TRUE);
3238 } while (end != NULL);
3242 /* store master secret into session data cache */
3244 ssl_save_session(SslDecryptSession* ssl, GHashTable *session_hash)
3246 /* allocate stringinfo chunks for session id and master secret data*/
3247 StringInfo* session_id;
3248 StringInfo* master_secret;
3249 session_id = se_alloc0(sizeof(StringInfo) + ssl->session_id.data_len);
3250 master_secret = se_alloc0(48 + sizeof(StringInfo));
3252 master_secret->data = ((guchar*)master_secret+sizeof(StringInfo));
3254 /* ssl_hash() depends on session_id->data being aligned for guint access
3255 * so be careful in changing how it is allocated.
3257 session_id->data = ((guchar*)session_id+sizeof(StringInfo));
3259 ssl_data_set(session_id, ssl->session_id.data, ssl->session_id.data_len);
3260 ssl_data_set(master_secret, ssl->master_secret.data, ssl->master_secret.data_len);
3261 g_hash_table_insert(session_hash, session_id, master_secret);
3262 ssl_print_string("ssl_save_session stored session id", session_id);
3263 ssl_print_string("ssl_save_session stored master secret", master_secret);
3267 ssl_restore_session(SslDecryptSession* ssl, GHashTable *session_hash)
3270 ms = g_hash_table_lookup(session_hash, &ssl->session_id);
3273 ssl_debug_printf("ssl_restore_session can't find stored session\n");
3276 ssl_data_set(&ssl->master_secret, ms->data, ms->data_len);
3277 ssl->state |= SSL_MASTER_SECRET;
3278 ssl_debug_printf("ssl_restore_session master key retrieved\n");
3282 ssl_is_valid_content_type(guint8 type)
3284 if (type >= 0x14 && type <= 0x17)
3292 #ifdef SSL_DECRYPT_DEBUG
3294 static FILE* ssl_debug_file=NULL;
3297 ssl_set_debug(char* name)
3299 static gint debug_file_must_be_closed;
3301 debug_file_must_be_closed = 0;
3302 use_stderr = name?(strcmp(name, SSL_DEBUG_USE_STDERR) == 0):0;
3304 if (debug_file_must_be_closed)
3305 fclose(ssl_debug_file);
3307 ssl_debug_file = stderr;
3308 else if (!name || (strcmp(name, "") ==0))
3309 ssl_debug_file = NULL;
3311 ssl_debug_file = ws_fopen(name, "w");
3312 if (!use_stderr && ssl_debug_file)
3313 debug_file_must_be_closed = 1;
3317 ssl_debug_flush(void)
3320 fflush(ssl_debug_file);
3324 ssl_debug_printf(const gchar* fmt, ...)
3330 if (!ssl_debug_file)
3334 ret += vfprintf(ssl_debug_file, fmt, ap);
3339 ssl_print_text_data(const gchar* name, const guchar* data, size_t len)
3342 if (!ssl_debug_file)
3344 fprintf(ssl_debug_file,"%s: ",name);
3345 for (i=0; i< len; i++) {
3346 fprintf(ssl_debug_file,"%c",data[i]);
3348 fprintf(ssl_debug_file,"\n");
3352 ssl_print_data(const gchar* name, const guchar* data, size_t len)
3355 if (!ssl_debug_file)
3357 fprintf(ssl_debug_file,"%s[%d]:\n",name, (int) len);
3358 for (i=0; i< len; i++) {
3359 if ((i>0) && (i%16 == 0))
3360 fprintf(ssl_debug_file,"\n");
3361 fprintf(ssl_debug_file,"%.2x ",data[i]&255);
3363 fprintf(ssl_debug_file,"\n");
3367 ssl_print_string(const gchar* name, const StringInfo* data)
3369 ssl_print_data(name, data->data, data->data_len);
3371 #endif /* SSL_DECRYPT_DEBUG */