2 * ssl manipulation functions
3 * By Paolo Abeni <paolo.abeni@email.com>
5 * Copyright (c) 2013, Hauke Mehrtens <hauke@hauke-m.de>
9 * Wireshark - Network traffic analyzer
10 * By Gerald Combs <gerald@wireshark.org>
11 * Copyright 1998 Gerald Combs
13 * This program is free software; you can redistribute it and/or
14 * modify it under the terms of the GNU General Public License
15 * as published by the Free Software Foundation; either version 2
16 * of the License, or (at your option) any later version.
18 * This program is distributed in the hope that it will be useful,
19 * but WITHOUT ANY WARRANTY; without even the implied warranty of
20 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
21 * GNU General Public License for more details.
23 * You should have received a copy of the GNU General Public License
24 * along with this program; if not, write to the Free Software
25 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
36 #include "packet-ssl-utils.h"
37 #include "packet-ssl.h"
39 #include <epan/emem.h>
40 #include <epan/strutil.h>
41 #include <epan/addr_resolv.h>
42 #include <epan/ipv6-utils.h>
43 #include <epan/expert.h>
44 #include <wsutil/file_util.h>
49 const value_string ssl_version_short_names[] = {
50 { SSL_VER_UNKNOWN, "SSL" },
51 { SSL_VER_SSLv2, "SSLv2" },
52 { SSL_VER_SSLv3, "SSLv3" },
53 { SSL_VER_TLS, "TLSv1" },
54 { SSL_VER_TLSv1DOT1, "TLSv1.1" },
55 { SSL_VER_DTLS, "DTLSv1.0" },
56 { SSL_VER_DTLS1DOT2, "DTLSv1.2" },
57 { SSL_VER_DTLS_OPENSSL, "DTLS 1.0 (OpenSSL pre 0.9.8f)" },
58 { SSL_VER_PCT, "PCT" },
59 { SSL_VER_TLSv1DOT2, "TLSv1.2" },
63 const value_string ssl_20_msg_types[] = {
64 { SSL2_HND_ERROR, "Error" },
65 { SSL2_HND_CLIENT_HELLO, "Client Hello" },
66 { SSL2_HND_CLIENT_MASTER_KEY, "Client Master Key" },
67 { SSL2_HND_CLIENT_FINISHED, "Client Finished" },
68 { SSL2_HND_SERVER_HELLO, "Server Hello" },
69 { SSL2_HND_SERVER_VERIFY, "Server Verify" },
70 { SSL2_HND_SERVER_FINISHED, "Server Finished" },
71 { SSL2_HND_REQUEST_CERTIFICATE, "Request Certificate" },
72 { SSL2_HND_CLIENT_CERTIFICATE, "Client Certificate" },
75 /* http://www.iana.org/assignments/tls-parameters/tls-parameters.xhtml */
76 /* Note: sorted by ascending value so value_string-ext can do a binary search */
77 static const value_string ssl_20_cipher_suites[] = {
78 { 0x000000, "TLS_NULL_WITH_NULL_NULL" },
79 { 0x000001, "TLS_RSA_WITH_NULL_MD5" },
80 { 0x000002, "TLS_RSA_WITH_NULL_SHA" },
81 { 0x000003, "TLS_RSA_EXPORT_WITH_RC4_40_MD5" },
82 { 0x000004, "TLS_RSA_WITH_RC4_128_MD5" },
83 { 0x000005, "TLS_RSA_WITH_RC4_128_SHA" },
84 { 0x000006, "TLS_RSA_EXPORT_WITH_RC2_CBC_40_MD5" },
85 { 0x000007, "TLS_RSA_WITH_IDEA_CBC_SHA" },
86 { 0x000008, "TLS_RSA_EXPORT_WITH_DES40_CBC_SHA" },
87 { 0x000009, "TLS_RSA_WITH_DES_CBC_SHA" },
88 { 0x00000a, "TLS_RSA_WITH_3DES_EDE_CBC_SHA" },
89 { 0x00000b, "TLS_DH_DSS_EXPORT_WITH_DES40_CBC_SHA" },
90 { 0x00000c, "TLS_DH_DSS_WITH_DES_CBC_SHA" },
91 { 0x00000d, "TLS_DH_DSS_WITH_3DES_EDE_CBC_SHA" },
92 { 0x00000e, "TLS_DH_RSA_EXPORT_WITH_DES40_CBC_SHA" },
93 { 0x00000f, "TLS_DH_RSA_WITH_DES_CBC_SHA" },
94 { 0x000010, "TLS_DH_RSA_WITH_3DES_EDE_CBC_SHA" },
95 { 0x000011, "TLS_DHE_DSS_EXPORT_WITH_DES40_CBC_SHA" },
96 { 0x000012, "TLS_DHE_DSS_WITH_DES_CBC_SHA" },
97 { 0x000013, "TLS_DHE_DSS_WITH_3DES_EDE_CBC_SHA" },
98 { 0x000014, "TLS_DHE_RSA_EXPORT_WITH_DES40_CBC_SHA" },
99 { 0x000015, "TLS_DHE_RSA_WITH_DES_CBC_SHA" },
100 { 0x000016, "TLS_DHE_RSA_WITH_3DES_EDE_CBC_SHA" },
101 { 0x000017, "TLS_DH_anon_EXPORT_WITH_RC4_40_MD5" },
102 { 0x000018, "TLS_DH_anon_WITH_RC4_128_MD5" },
103 { 0x000019, "TLS_DH_anon_EXPORT_WITH_DES40_CBC_SHA" },
104 { 0x00001a, "TLS_DH_anon_WITH_DES_CBC_SHA" },
105 { 0x00001b, "TLS_DH_anon_WITH_3DES_EDE_CBC_SHA" },
106 { 0x00001c, "SSL_FORTEZZA_KEA_WITH_NULL_SHA" },
107 { 0x00001d, "SSL_FORTEZZA_KEA_WITH_FORTEZZA_CBC_SHA" },
109 { 0x00001e, "SSL_FORTEZZA_KEA_WITH_RC4_128_SHA" },
112 { 0x00001E, "TLS_KRB5_WITH_DES_CBC_SHA" },
113 { 0x00001F, "TLS_KRB5_WITH_3DES_EDE_CBC_SHA" },
114 { 0x000020, "TLS_KRB5_WITH_RC4_128_SHA" },
115 { 0x000021, "TLS_KRB5_WITH_IDEA_CBC_SHA" },
116 { 0x000022, "TLS_KRB5_WITH_DES_CBC_MD5" },
117 { 0x000023, "TLS_KRB5_WITH_3DES_EDE_CBC_MD5" },
118 { 0x000024, "TLS_KRB5_WITH_RC4_128_MD5" },
119 { 0x000025, "TLS_KRB5_WITH_IDEA_CBC_MD5" },
120 { 0x000026, "TLS_KRB5_EXPORT_WITH_DES_CBC_40_SHA" },
121 { 0x000027, "TLS_KRB5_EXPORT_WITH_RC2_CBC_40_SHA" },
122 { 0x000028, "TLS_KRB5_EXPORT_WITH_RC4_40_SHA" },
123 { 0x000029, "TLS_KRB5_EXPORT_WITH_DES_CBC_40_MD5" },
124 { 0x00002A, "TLS_KRB5_EXPORT_WITH_RC2_CBC_40_MD5" },
125 { 0x00002B, "TLS_KRB5_EXPORT_WITH_RC4_40_MD5" },
127 { 0x00002C, "TLS_PSK_WITH_NULL_SHA" },
128 { 0x00002D, "TLS_DHE_PSK_WITH_NULL_SHA" },
129 { 0x00002E, "TLS_RSA_PSK_WITH_NULL_SHA" },
131 { 0x00002f, "TLS_RSA_WITH_AES_128_CBC_SHA" },
132 { 0x000030, "TLS_DH_DSS_WITH_AES_128_CBC_SHA" },
133 { 0x000031, "TLS_DH_RSA_WITH_AES_128_CBC_SHA" },
134 { 0x000032, "TLS_DHE_DSS_WITH_AES_128_CBC_SHA" },
135 { 0x000033, "TLS_DHE_RSA_WITH_AES_128_CBC_SHA" },
136 { 0x000034, "TLS_DH_anon_WITH_AES_128_CBC_SHA" },
137 { 0x000035, "TLS_RSA_WITH_AES_256_CBC_SHA" },
138 { 0x000036, "TLS_DH_DSS_WITH_AES_256_CBC_SHA" },
139 { 0x000037, "TLS_DH_RSA_WITH_AES_256_CBC_SHA" },
140 { 0x000038, "TLS_DHE_DSS_WITH_AES_256_CBC_SHA" },
141 { 0x000039, "TLS_DHE_RSA_WITH_AES_256_CBC_SHA" },
142 { 0x00003A, "TLS_DH_anon_WITH_AES_256_CBC_SHA" },
143 { 0x00003B, "TLS_RSA_WITH_NULL_SHA256" },
144 { 0x00003C, "TLS_RSA_WITH_AES_128_CBC_SHA256" },
145 { 0x00003D, "TLS_RSA_WITH_AES_256_CBC_SHA256" },
146 { 0x00003E, "TLS_DH_DSS_WITH_AES_128_CBC_SHA256" },
147 { 0x00003F, "TLS_DH_RSA_WITH_AES_128_CBC_SHA256" },
148 { 0x000040, "TLS_DHE_DSS_WITH_AES_128_CBC_SHA256" },
149 { 0x000041, "TLS_RSA_WITH_CAMELLIA_128_CBC_SHA" },
150 { 0x000042, "TLS_DH_DSS_WITH_CAMELLIA_128_CBC_SHA" },
151 { 0x000043, "TLS_DH_RSA_WITH_CAMELLIA_128_CBC_SHA" },
152 { 0x000044, "TLS_DHE_DSS_WITH_CAMELLIA_128_CBC_SHA" },
153 { 0x000045, "TLS_DHE_RSA_WITH_CAMELLIA_128_CBC_SHA" },
154 { 0x000046, "TLS_DH_anon_WITH_CAMELLIA_128_CBC_SHA" },
155 { 0x000047, "TLS_ECDH_ECDSA_WITH_NULL_SHA" },
156 { 0x000048, "TLS_ECDH_ECDSA_WITH_RC4_128_SHA" },
157 { 0x000049, "TLS_ECDH_ECDSA_WITH_DES_CBC_SHA" },
158 { 0x00004A, "TLS_ECDH_ECDSA_WITH_3DES_EDE_CBC_SHA" },
159 { 0x00004B, "TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA" },
160 { 0x00004C, "TLS_ECDH_ECDSA_WITH_AES_256_CBC_SHA" },
161 { 0x000060, "TLS_RSA_EXPORT1024_WITH_RC4_56_MD5" },
162 { 0x000061, "TLS_RSA_EXPORT1024_WITH_RC2_CBC_56_MD5" },
163 { 0x000062, "TLS_RSA_EXPORT1024_WITH_DES_CBC_SHA" },
164 { 0x000063, "TLS_DHE_DSS_EXPORT1024_WITH_DES_CBC_SHA" },
165 { 0x000064, "TLS_RSA_EXPORT1024_WITH_RC4_56_SHA" },
166 { 0x000065, "TLS_DHE_DSS_EXPORT1024_WITH_RC4_56_SHA" },
167 { 0x000066, "TLS_DHE_DSS_WITH_RC4_128_SHA" },
168 { 0x000067, "TLS_DHE_RSA_WITH_AES_128_CBC_SHA256" },
169 { 0x000068, "TLS_DH_DSS_WITH_AES_256_CBC_SHA256" },
170 { 0x000069, "TLS_DH_RSA_WITH_AES_256_CBC_SHA256" },
171 { 0x00006A, "TLS_DHE_DSS_WITH_AES_256_CBC_SHA256" },
172 { 0x00006B, "TLS_DHE_RSA_WITH_AES_256_CBC_SHA256" },
173 { 0x00006C, "TLS_DH_anon_WITH_AES_128_CBC_SHA256" },
174 { 0x00006D, "TLS_DH_anon_WITH_AES_256_CBC_SHA256" },
175 /* 0x00,0x6E-83 Unassigned */
176 { 0x000084, "TLS_RSA_WITH_CAMELLIA_256_CBC_SHA" },
177 { 0x000085, "TLS_DH_DSS_WITH_CAMELLIA_256_CBC_SHA" },
178 { 0x000086, "TLS_DH_RSA_WITH_CAMELLIA_256_CBC_SHA" },
179 { 0x000087, "TLS_DHE_DSS_WITH_CAMELLIA_256_CBC_SHA" },
180 { 0x000088, "TLS_DHE_RSA_WITH_CAMELLIA_256_CBC_SHA" },
181 { 0x000089, "TLS_DH_anon_WITH_CAMELLIA_256_CBC_SHA" },
183 { 0x00008A, "TLS_PSK_WITH_RC4_128_SHA" },
184 { 0x00008B, "TLS_PSK_WITH_3DES_EDE_CBC_SHA" },
185 { 0x00008C, "TLS_PSK_WITH_AES_128_CBC_SHA" },
186 { 0x00008D, "TLS_PSK_WITH_AES_256_CBC_SHA" },
187 { 0x00008E, "TLS_DHE_PSK_WITH_RC4_128_SHA" },
188 { 0x00008F, "TLS_DHE_PSK_WITH_3DES_EDE_CBC_SHA" },
189 { 0x000090, "TLS_DHE_PSK_WITH_AES_128_CBC_SHA" },
190 { 0x000091, "TLS_DHE_PSK_WITH_AES_256_CBC_SHA" },
191 { 0x000092, "TLS_RSA_PSK_WITH_RC4_128_SHA" },
192 { 0x000093, "TLS_RSA_PSK_WITH_3DES_EDE_CBC_SHA" },
193 { 0x000094, "TLS_RSA_PSK_WITH_AES_128_CBC_SHA" },
194 { 0x000095, "TLS_RSA_PSK_WITH_AES_256_CBC_SHA" },
196 { 0x000096, "TLS_RSA_WITH_SEED_CBC_SHA" },
197 { 0x000097, "TLS_DH_DSS_WITH_SEED_CBC_SHA" },
198 { 0x000098, "TLS_DH_RSA_WITH_SEED_CBC_SHA" },
199 { 0x000099, "TLS_DHE_DSS_WITH_SEED_CBC_SHA" },
200 { 0x00009A, "TLS_DHE_RSA_WITH_SEED_CBC_SHA" },
201 { 0x00009B, "TLS_DH_anon_WITH_SEED_CBC_SHA" },
203 { 0x00009C, "TLS_RSA_WITH_AES_128_GCM_SHA256" },
204 { 0x00009D, "TLS_RSA_WITH_AES_256_GCM_SHA384" },
205 { 0x00009E, "TLS_DHE_RSA_WITH_AES_128_GCM_SHA256" },
206 { 0x00009F, "TLS_DHE_RSA_WITH_AES_256_GCM_SHA384" },
207 { 0x0000A0, "TLS_DH_RSA_WITH_AES_128_GCM_SHA256" },
208 { 0x0000A1, "TLS_DH_RSA_WITH_AES_256_GCM_SHA384" },
209 { 0x0000A2, "TLS_DHE_DSS_WITH_AES_128_GCM_SHA256" },
210 { 0x0000A3, "TLS_DHE_DSS_WITH_AES_256_GCM_SHA384" },
211 { 0x0000A4, "TLS_DH_DSS_WITH_AES_128_GCM_SHA256" },
212 { 0x0000A5, "TLS_DH_DSS_WITH_AES_256_GCM_SHA384" },
213 { 0x0000A6, "TLS_DH_anon_WITH_AES_128_GCM_SHA256" },
214 { 0x0000A7, "TLS_DH_anon_WITH_AES_256_GCM_SHA384" },
216 { 0x0000A8, "TLS_PSK_WITH_AES_128_GCM_SHA256" },
217 { 0x0000A9, "TLS_PSK_WITH_AES_256_GCM_SHA384" },
218 { 0x0000AA, "TLS_DHE_PSK_WITH_AES_128_GCM_SHA256" },
219 { 0x0000AB, "TLS_DHE_PSK_WITH_AES_256_GCM_SHA384" },
220 { 0x0000AC, "TLS_RSA_PSK_WITH_AES_128_GCM_SHA256" },
221 { 0x0000AD, "TLS_RSA_PSK_WITH_AES_256_GCM_SHA384" },
222 { 0x0000AE, "TLS_PSK_WITH_AES_128_CBC_SHA256" },
223 { 0x0000AF, "TLS_PSK_WITH_AES_256_CBC_SHA384" },
224 { 0x0000B0, "TLS_PSK_WITH_NULL_SHA256" },
225 { 0x0000B1, "TLS_PSK_WITH_NULL_SHA384" },
226 { 0x0000B2, "TLS_DHE_PSK_WITH_AES_128_CBC_SHA256" },
227 { 0x0000B3, "TLS_DHE_PSK_WITH_AES_256_CBC_SHA384" },
228 { 0x0000B4, "TLS_DHE_PSK_WITH_NULL_SHA256" },
229 { 0x0000B5, "TLS_DHE_PSK_WITH_NULL_SHA384" },
230 { 0x0000B6, "TLS_RSA_PSK_WITH_AES_128_CBC_SHA256" },
231 { 0x0000B7, "TLS_RSA_PSK_WITH_AES_256_CBC_SHA384" },
232 { 0x0000B8, "TLS_RSA_PSK_WITH_NULL_SHA256" },
233 { 0x0000B9, "TLS_RSA_PSK_WITH_NULL_SHA384" },
235 { 0x0000BA, "TLS_RSA_WITH_CAMELLIA_128_CBC_SHA256" },
236 { 0x0000BB, "TLS_DH_DSS_WITH_CAMELLIA_128_CBC_SHA256" },
237 { 0x0000BC, "TLS_DH_RSA_WITH_CAMELLIA_128_CBC_SHA256" },
238 { 0x0000BD, "TLS_DHE_DSS_WITH_CAMELLIA_128_CBC_SHA256" },
239 { 0x0000BE, "TLS_DHE_RSA_WITH_CAMELLIA_128_CBC_SHA256" },
240 { 0x0000BF, "TLS_DH_anon_WITH_CAMELLIA_128_CBC_SHA256" },
241 { 0x0000C0, "TLS_RSA_WITH_CAMELLIA_256_CBC_SHA256" },
242 { 0x0000C1, "TLS_DH_DSS_WITH_CAMELLIA_256_CBC_SHA256" },
243 { 0x0000C2, "TLS_DH_RSA_WITH_CAMELLIA_256_CBC_SHA256" },
244 { 0x0000C3, "TLS_DHE_DSS_WITH_CAMELLIA_256_CBC_SHA256" },
245 { 0x0000C4, "TLS_DHE_RSA_WITH_CAMELLIA_256_CBC_SHA256" },
246 { 0x0000C5, "TLS_DH_anon_WITH_CAMELLIA_256_CBC_SHA256" },
247 /* 0x00,0xC6-FE Unassigned */
248 { 0x0000FF, "TLS_EMPTY_RENEGOTIATION_INFO_SCSV" },
249 /* 0x01-BF,* Unassigned */
251 { 0x00c001, "TLS_ECDH_ECDSA_WITH_NULL_SHA" },
252 { 0x00c002, "TLS_ECDH_ECDSA_WITH_RC4_128_SHA" },
253 { 0x00c003, "TLS_ECDH_ECDSA_WITH_3DES_EDE_CBC_SHA" },
254 { 0x00c004, "TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA" },
255 { 0x00c005, "TLS_ECDH_ECDSA_WITH_AES_256_CBC_SHA" },
256 { 0x00c006, "TLS_ECDHE_ECDSA_WITH_NULL_SHA" },
257 { 0x00c007, "TLS_ECDHE_ECDSA_WITH_RC4_128_SHA" },
258 { 0x00c008, "TLS_ECDHE_ECDSA_WITH_3DES_EDE_CBC_SHA" },
259 { 0x00c009, "TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA" },
260 { 0x00c00a, "TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA" },
261 { 0x00c00b, "TLS_ECDH_RSA_WITH_NULL_SHA" },
262 { 0x00c00c, "TLS_ECDH_RSA_WITH_RC4_128_SHA" },
263 { 0x00c00d, "TLS_ECDH_RSA_WITH_3DES_EDE_CBC_SHA" },
264 { 0x00c00e, "TLS_ECDH_RSA_WITH_AES_128_CBC_SHA" },
265 { 0x00c00f, "TLS_ECDH_RSA_WITH_AES_256_CBC_SHA" },
266 { 0x00c010, "TLS_ECDHE_RSA_WITH_NULL_SHA" },
267 { 0x00c011, "TLS_ECDHE_RSA_WITH_RC4_128_SHA" },
268 { 0x00c012, "TLS_ECDHE_RSA_WITH_3DES_EDE_CBC_SHA" },
269 { 0x00c013, "TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA" },
270 { 0x00c014, "TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA" },
271 { 0x00c015, "TLS_ECDH_anon_WITH_NULL_SHA" },
272 { 0x00c016, "TLS_ECDH_anon_WITH_RC4_128_SHA" },
273 { 0x00c017, "TLS_ECDH_anon_WITH_3DES_EDE_CBC_SHA" },
274 { 0x00c018, "TLS_ECDH_anon_WITH_AES_128_CBC_SHA" },
275 { 0x00c019, "TLS_ECDH_anon_WITH_AES_256_CBC_SHA" },
277 { 0x00C01A, "TLS_SRP_SHA_WITH_3DES_EDE_CBC_SHA" },
278 { 0x00C01B, "TLS_SRP_SHA_RSA_WITH_3DES_EDE_CBC_SHA" },
279 { 0x00C01C, "TLS_SRP_SHA_DSS_WITH_3DES_EDE_CBC_SHA" },
280 { 0x00C01D, "TLS_SRP_SHA_WITH_AES_128_CBC_SHA" },
281 { 0x00C01E, "TLS_SRP_SHA_RSA_WITH_AES_128_CBC_SHA" },
282 { 0x00C01F, "TLS_SRP_SHA_DSS_WITH_AES_128_CBC_SHA" },
283 { 0x00C020, "TLS_SRP_SHA_WITH_AES_256_CBC_SHA" },
284 { 0x00C021, "TLS_SRP_SHA_RSA_WITH_AES_256_CBC_SHA" },
285 { 0x00C022, "TLS_SRP_SHA_DSS_WITH_AES_256_CBC_SHA" },
287 { 0x00C023, "TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256" },
288 { 0x00C024, "TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA384" },
289 { 0x00C025, "TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA256" },
290 { 0x00C026, "TLS_ECDH_ECDSA_WITH_AES_256_CBC_SHA384" },
291 { 0x00C027, "TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256" },
292 { 0x00C028, "TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384" },
293 { 0x00C029, "TLS_ECDH_RSA_WITH_AES_128_CBC_SHA256" },
294 { 0x00C02A, "TLS_ECDH_RSA_WITH_AES_256_CBC_SHA384" },
295 { 0x00C02B, "TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256" },
296 { 0x00C02C, "TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384" },
297 { 0x00C02D, "TLS_ECDH_ECDSA_WITH_AES_128_GCM_SHA256" },
298 { 0x00C02E, "TLS_ECDH_ECDSA_WITH_AES_256_GCM_SHA384" },
299 { 0x00C02F, "TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256" },
300 { 0x00C030, "TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384" },
301 { 0x00C031, "TLS_ECDH_RSA_WITH_AES_128_GCM_SHA256" },
302 { 0x00C032, "TLS_ECDH_RSA_WITH_AES_256_GCM_SHA384" },
304 { 0x00C033, "TLS_ECDHE_PSK_WITH_RC4_128_SHA" },
305 { 0x00C034, "TLS_ECDHE_PSK_WITH_3DES_EDE_CBC_SHA" },
306 { 0x00C035, "TLS_ECDHE_PSK_WITH_AES_128_CBC_SHA" },
307 { 0x00C036, "TLS_ECDHE_PSK_WITH_AES_256_CBC_SHA" },
308 { 0x00C037, "TLS_ECDHE_PSK_WITH_AES_128_CBC_SHA256" },
309 { 0x00C038, "TLS_ECDHE_PSK_WITH_AES_256_CBC_SHA384" },
310 { 0x00C039, "TLS_ECDHE_PSK_WITH_NULL_SHA" },
311 { 0x00C03A, "TLS_ECDHE_PSK_WITH_NULL_SHA256" },
312 { 0x00C03B, "TLS_ECDHE_PSK_WITH_NULL_SHA384" },
313 /* 0xC0,0x3C-FF Unassigned
315 0xFE,0x00-FD Unassigned
316 0xFE,0xFE-FF Reserved to avoid conflicts with widely deployed implementations [Pasi_Eronen]
317 0xFF,0x00-FF Reserved for Private Use [RFC5246]
320 /* these from http://www.mozilla.org/projects/
321 security/pki/nss/ssl/fips-ssl-ciphersuites.html */
322 { 0x00fefe, "SSL_RSA_FIPS_WITH_DES_CBC_SHA"},
323 { 0x00feff, "SSL_RSA_FIPS_WITH_3DES_EDE_CBC_SHA" },
324 { 0x00ffe0, "SSL_RSA_FIPS_WITH_3DES_EDE_CBC_SHA" },
325 { 0x00ffe1, "SSL_RSA_FIPS_WITH_DES_CBC_SHA"},
326 /* note that ciphersuites of {0x00????} are TLS cipher suites in
327 * a sslv2 client hello message; the ???? above is the two-byte
328 * tls cipher suite id
331 { 0x010080, "SSL2_RC4_128_WITH_MD5" },
332 { 0x020080, "SSL2_RC4_128_EXPORT40_WITH_MD5" },
333 { 0x030080, "SSL2_RC2_CBC_128_CBC_WITH_MD5" },
334 { 0x040080, "SSL2_RC2_CBC_128_CBC_WITH_MD5" },
335 { 0x050080, "SSL2_IDEA_128_CBC_WITH_MD5" },
336 { 0x060040, "SSL2_DES_64_CBC_WITH_MD5" },
337 { 0x0700c0, "SSL2_DES_192_EDE3_CBC_WITH_MD5" },
338 { 0x080080, "SSL2_RC4_64_WITH_MD5" },
340 /* Microsoft's old PCT protocol. These are from Eric Rescorla's
341 book "SSL and TLS" */
342 { 0x800001, "PCT_SSL_CERT_TYPE | PCT1_CERT_X509" },
343 { 0x800003, "PCT_SSL_CERT_TYPE | PCT1_CERT_X509_CHAIN" },
344 { 0x810001, "PCT_SSL_HASH_TYPE | PCT1_HASH_MD5" },
345 { 0x810003, "PCT_SSL_HASH_TYPE | PCT1_HASH_SHA" },
346 { 0x820001, "PCT_SSL_EXCH_TYPE | PCT1_EXCH_RSA_PKCS1" },
347 { 0x830004, "PCT_SSL_CIPHER_TYPE_1ST_HALF | PCT1_CIPHER_RC4" },
348 { 0x842840, "PCT_SSL_CIPHER_TYPE_2ND_HALF | PCT1_ENC_BITS_40 | PCT1_MAC_BITS_128" },
349 { 0x848040, "PCT_SSL_CIPHER_TYPE_2ND_HALF | PCT1_ENC_BITS_128 | PCT1_MAC_BITS_128" },
350 { 0x8f8001, "PCT_SSL_COMPAT | PCT_VERSION_1" },
354 value_string_ext ssl_20_cipher_suites_ext = VALUE_STRING_EXT_INIT(ssl_20_cipher_suites);
357 const value_string ssl_extension_curves[] = {
383 { 0xFF01, "arbitrary_explicit_prime_curves" },
384 { 0xFF02, "arbitrary_explicit_char2_curves" },
388 const value_string ssl_curve_types[] = {
389 { 1, "explicit_prime" },
390 { 2, "explicit_char2" },
391 { 3, "named_curve" },
395 const value_string ssl_extension_ec_point_formats[] = {
396 { 0, "uncompressed" },
397 { 1, "ansiX962_compressed_prime" },
398 { 2, "ansiX962_compressed_char2" },
402 const value_string ssl_20_certificate_type[] = {
404 { 0x01, "X.509 Certificate" },
408 const value_string ssl_31_content_type[] = {
409 { 20, "Change Cipher Spec" },
412 { 23, "Application Data" },
417 const value_string ssl_versions[] = {
418 { 0xfefd, "DTLS 1.2" },
419 { 0xfeff, "DTLS 1.0" },
420 { 0x0100, "DTLS 1.0 (OpenSSL pre 0.9.8f)" },
421 { 0x0303, "TLS 1.2" },
422 { 0x0302, "TLS 1.1" },
423 { 0x0301, "TLS 1.0" },
424 { 0x0300, "SSL 3.0" },
425 { 0x0002, "SSL 2.0" },
430 /* XXX - would be used if we dissected the body of a Change Cipher Spec
432 const value_string ssl_31_change_cipher_spec[] = {
433 { 1, "Change Cipher Spec" },
438 const value_string ssl_31_alert_level[] = {
444 const value_string ssl_31_alert_description[] = {
445 { 0, "Close Notify" },
446 { 10, "Unexpected Message" },
447 { 20, "Bad Record MAC" },
448 { 21, "Decryption Failed" },
449 { 22, "Record Overflow" },
450 { 30, "Decompression Failure" },
451 { 40, "Handshake Failure" },
452 { 41, "No Certificate" },
453 { 42, "Bad Certificate" },
454 { 43, "Unsupported Certificate" },
455 { 44, "Certificate Revoked" },
456 { 45, "Certificate Expired" },
457 { 46, "Certificate Unknown" },
458 { 47, "Illegal Parameter" },
459 { 48, "Unknown CA" },
460 { 49, "Access Denied" },
461 { 50, "Decode Error" },
462 { 51, "Decrypt Error" },
463 { 60, "Export Restriction" },
464 { 70, "Protocol Version" },
465 { 71, "Insufficient Security" },
466 { 80, "Internal Error" },
467 { 90, "User Canceled" },
468 { 100, "No Renegotiation" },
469 { 110, "Unsupported Extension" },
470 { 111, "Certificate Unobtainable" },
471 { 112, "Unrecognized Name" },
472 { 113, "Bad Certificate Status Response" },
473 { 114, "Bad Certificate Hash Value" },
474 { 115, "Unknown PSK Identity" },
478 const value_string ssl_31_handshake_type[] = {
479 { SSL_HND_HELLO_REQUEST, "Hello Request" },
480 { SSL_HND_CLIENT_HELLO, "Client Hello" },
481 { SSL_HND_SERVER_HELLO, "Server Hello" },
482 { SSL_HND_HELLO_VERIFY_REQUEST, "Hello Verify Request"},
483 { SSL_HND_NEWSESSION_TICKET, "New Session Ticket" },
484 { SSL_HND_CERTIFICATE, "Certificate" },
485 { SSL_HND_SERVER_KEY_EXCHG, "Server Key Exchange" },
486 { SSL_HND_CERT_REQUEST, "Certificate Request" },
487 { SSL_HND_SVR_HELLO_DONE, "Server Hello Done" },
488 { SSL_HND_CERT_VERIFY, "Certificate Verify" },
489 { SSL_HND_CLIENT_KEY_EXCHG, "Client Key Exchange" },
490 { SSL_HND_FINISHED, "Finished" },
491 { SSL_HND_CERT_URL, "Client Certificate URL" },
492 { SSL_HND_CERT_STATUS, "Certificate Status" },
493 { SSL_HND_ENCRYPTED_EXTS, "Encrypted Extensions" },
497 const value_string tls_heartbeat_type[] = {
503 const value_string tls_heartbeat_mode[] = {
504 { 1, "Peer allowed to send requests" },
505 { 2, "Peer not allowed to send requests" },
509 const value_string ssl_31_compression_method[] = {
517 /* XXX - would be used if we dissected a Signature, as would be
518 seen in a server key exchange or certificate verify message. */
519 const value_string ssl_31_key_exchange_algorithm[] = {
521 { 1, "Diffie Hellman" },
525 const value_string ssl_31_signature_algorithm[] = {
533 const value_string ssl_31_client_certificate_type[] = {
536 { 3, "RSA Fixed DH" },
537 { 4, "DSS Fixed DH" },
538 /* GOST certificate types */
539 /* Section 3.5 of draft-chudov-cryptopro-cptls-04 */
540 { 21, "GOST R 34.10-94" },
541 { 22, "GOST R 34.10-2001" },
542 /* END GOST certificate types */
543 { 64, "ECDSA Sign" },
544 { 65, "RSA Fixed ECDH" },
545 { 66, "ECDSA Fixed ECDH" },
550 /* XXX - would be used if we dissected exchange keys, as would be
551 seen in a client key exchange message. */
552 const value_string ssl_31_public_value_encoding[] = {
559 /* http://www.iana.org/assignments/tls-parameters/tls-parameters.xhtml */
560 /* Note: sorted by ascending value so value_string_ext fcns can do a binary search */
561 static const value_string ssl_31_ciphersuite[] = {
562 /* RFC 2246, RFC 4346, RFC 5246 */
563 { 0x0000, "TLS_NULL_WITH_NULL_NULL" },
564 { 0x0001, "TLS_RSA_WITH_NULL_MD5" },
565 { 0x0002, "TLS_RSA_WITH_NULL_SHA" },
566 { 0x0003, "TLS_RSA_EXPORT_WITH_RC4_40_MD5" },
567 { 0x0004, "TLS_RSA_WITH_RC4_128_MD5" },
568 { 0x0005, "TLS_RSA_WITH_RC4_128_SHA" },
569 { 0x0006, "TLS_RSA_EXPORT_WITH_RC2_CBC_40_MD5" },
570 { 0x0007, "TLS_RSA_WITH_IDEA_CBC_SHA" },
571 { 0x0008, "TLS_RSA_EXPORT_WITH_DES40_CBC_SHA" },
572 { 0x0009, "TLS_RSA_WITH_DES_CBC_SHA" },
573 { 0x000a, "TLS_RSA_WITH_3DES_EDE_CBC_SHA" },
574 { 0x000b, "TLS_DH_DSS_EXPORT_WITH_DES40_CBC_SHA" },
575 { 0x000c, "TLS_DH_DSS_WITH_DES_CBC_SHA" },
576 { 0x000d, "TLS_DH_DSS_WITH_3DES_EDE_CBC_SHA" },
577 { 0x000e, "TLS_DH_RSA_EXPORT_WITH_DES40_CBC_SHA" },
578 { 0x000f, "TLS_DH_RSA_WITH_DES_CBC_SHA" },
579 { 0x0010, "TLS_DH_RSA_WITH_3DES_EDE_CBC_SHA" },
580 { 0x0011, "TLS_DHE_DSS_EXPORT_WITH_DES40_CBC_SHA" },
581 { 0x0012, "TLS_DHE_DSS_WITH_DES_CBC_SHA" },
582 { 0x0013, "TLS_DHE_DSS_WITH_3DES_EDE_CBC_SHA" },
583 { 0x0014, "TLS_DHE_RSA_EXPORT_WITH_DES40_CBC_SHA" },
584 { 0x0015, "TLS_DHE_RSA_WITH_DES_CBC_SHA" },
585 { 0x0016, "TLS_DHE_RSA_WITH_3DES_EDE_CBC_SHA" },
586 { 0x0017, "TLS_DH_anon_EXPORT_WITH_RC4_40_MD5" },
587 { 0x0018, "TLS_DH_anon_WITH_RC4_128_MD5" },
588 { 0x0019, "TLS_DH_anon_EXPORT_WITH_DES40_CBC_SHA" },
589 { 0x001a, "TLS_DH_anon_WITH_DES_CBC_SHA" },
590 { 0x001b, "TLS_DH_anon_WITH_3DES_EDE_CBC_SHA" },
592 { 0x001c, "SSL_FORTEZZA_KEA_WITH_NULL_SHA" },
593 { 0x001d, "SSL_FORTEZZA_KEA_WITH_FORTEZZA_CBC_SHA" },
594 #if 0 /* Because it clashes with KRB5, is never used any more, and is safe
595 to remove according to David Hopwood <david.hopwood@zetnet.co.uk>
596 of the ietf-tls list */
597 { 0x001e, "SSL_FORTEZZA_KEA_WITH_RC4_128_SHA" },
601 { 0x001E, "TLS_KRB5_WITH_DES_CBC_SHA" },
602 { 0x001F, "TLS_KRB5_WITH_3DES_EDE_CBC_SHA" },
603 { 0x0020, "TLS_KRB5_WITH_RC4_128_SHA" },
604 { 0x0021, "TLS_KRB5_WITH_IDEA_CBC_SHA" },
605 { 0x0022, "TLS_KRB5_WITH_DES_CBC_MD5" },
606 { 0x0023, "TLS_KRB5_WITH_3DES_EDE_CBC_MD5" },
607 { 0x0024, "TLS_KRB5_WITH_RC4_128_MD5" },
608 { 0x0025, "TLS_KRB5_WITH_IDEA_CBC_MD5" },
609 { 0x0026, "TLS_KRB5_EXPORT_WITH_DES_CBC_40_SHA" },
610 { 0x0027, "TLS_KRB5_EXPORT_WITH_RC2_CBC_40_SHA" },
611 { 0x0028, "TLS_KRB5_EXPORT_WITH_RC4_40_SHA" },
612 { 0x0029, "TLS_KRB5_EXPORT_WITH_DES_CBC_40_MD5" },
613 { 0x002A, "TLS_KRB5_EXPORT_WITH_RC2_CBC_40_MD5" },
614 { 0x002B, "TLS_KRB5_EXPORT_WITH_RC4_40_MD5" },
617 { 0x002C, "TLS_PSK_WITH_NULL_SHA" },
618 { 0x002D, "TLS_DHE_PSK_WITH_NULL_SHA" },
619 { 0x002E, "TLS_RSA_PSK_WITH_NULL_SHA" },
622 { 0x002F, "TLS_RSA_WITH_AES_128_CBC_SHA" },
623 { 0x0030, "TLS_DH_DSS_WITH_AES_128_CBC_SHA" },
624 { 0x0031, "TLS_DH_RSA_WITH_AES_128_CBC_SHA" },
625 { 0x0032, "TLS_DHE_DSS_WITH_AES_128_CBC_SHA" },
626 { 0x0033, "TLS_DHE_RSA_WITH_AES_128_CBC_SHA" },
627 { 0x0034, "TLS_DH_anon_WITH_AES_128_CBC_SHA" },
628 { 0x0035, "TLS_RSA_WITH_AES_256_CBC_SHA" },
629 { 0x0036, "TLS_DH_DSS_WITH_AES_256_CBC_SHA" },
630 { 0x0037, "TLS_DH_RSA_WITH_AES_256_CBC_SHA" },
631 { 0x0038, "TLS_DHE_DSS_WITH_AES_256_CBC_SHA" },
632 { 0x0039, "TLS_DHE_RSA_WITH_AES_256_CBC_SHA" },
633 { 0x003A, "TLS_DH_anon_WITH_AES_256_CBC_SHA" },
634 { 0x003B, "TLS_RSA_WITH_NULL_SHA256" },
635 { 0x003C, "TLS_RSA_WITH_AES_128_CBC_SHA256" },
636 { 0x003D, "TLS_RSA_WITH_AES_256_CBC_SHA256" },
637 { 0x003E, "TLS_DH_DSS_WITH_AES_128_CBC_SHA256" },
638 { 0x003F, "TLS_DH_RSA_WITH_AES_128_CBC_SHA256" },
639 { 0x0040, "TLS_DHE_DSS_WITH_AES_128_CBC_SHA256" },
642 { 0x0041, "TLS_RSA_WITH_CAMELLIA_128_CBC_SHA" },
643 { 0x0042, "TLS_DH_DSS_WITH_CAMELLIA_128_CBC_SHA" },
644 { 0x0043, "TLS_DH_RSA_WITH_CAMELLIA_128_CBC_SHA" },
645 { 0x0044, "TLS_DHE_DSS_WITH_CAMELLIA_128_CBC_SHA" },
646 { 0x0045, "TLS_DHE_RSA_WITH_CAMELLIA_128_CBC_SHA" },
647 { 0x0046, "TLS_DH_anon_WITH_CAMELLIA_128_CBC_SHA" },
649 /* 0x00,0x60-66 Reserved to avoid conflicts with widely deployed implementations */
651 { 0x0060, "TLS_RSA_EXPORT1024_WITH_RC4_56_MD5" },
652 { 0x0061, "TLS_RSA_EXPORT1024_WITH_RC2_CBC_56_MD5" },
653 /* draft-ietf-tls-56-bit-ciphersuites-01.txt */
654 { 0x0062, "TLS_RSA_EXPORT1024_WITH_DES_CBC_SHA" },
655 { 0x0063, "TLS_DHE_DSS_EXPORT1024_WITH_DES_CBC_SHA" },
656 { 0x0064, "TLS_RSA_EXPORT1024_WITH_RC4_56_SHA" },
657 { 0x0065, "TLS_DHE_DSS_EXPORT1024_WITH_RC4_56_SHA" },
658 { 0x0066, "TLS_DHE_DSS_WITH_RC4_128_SHA" },
661 { 0x0067, "TLS_DHE_RSA_WITH_AES_128_CBC_SHA256" },
662 { 0x0068, "TLS_DH_DSS_WITH_AES_256_CBC_SHA256" },
663 { 0x0069, "TLS_DH_RSA_WITH_AES_256_CBC_SHA256" },
664 { 0x006A, "TLS_DHE_DSS_WITH_AES_256_CBC_SHA256" },
665 { 0x006B, "TLS_DHE_RSA_WITH_AES_256_CBC_SHA256" },
666 { 0x006C, "TLS_DH_anon_WITH_AES_128_CBC_SHA256" },
667 { 0x006D, "TLS_DH_anon_WITH_AES_256_CBC_SHA256" },
669 /* draft-chudov-cryptopro-cptls-04.txt */
670 { 0x0080, "TLS_GOSTR341094_WITH_28147_CNT_IMIT" },
671 { 0x0081, "TLS_GOSTR341001_WITH_28147_CNT_IMIT" },
672 { 0x0082, "TLS_GOSTR341094_WITH_NULL_GOSTR3411" },
673 { 0x0083, "TLS_GOSTR341001_WITH_NULL_GOSTR3411" },
676 { 0x0084, "TLS_RSA_WITH_CAMELLIA_256_CBC_SHA" },
677 { 0x0085, "TLS_DH_DSS_WITH_CAMELLIA_256_CBC_SHA" },
678 { 0x0086, "TLS_DH_RSA_WITH_CAMELLIA_256_CBC_SHA" },
679 { 0x0087, "TLS_DHE_DSS_WITH_CAMELLIA_256_CBC_SHA" },
680 { 0x0088, "TLS_DHE_RSA_WITH_CAMELLIA_256_CBC_SHA" },
681 { 0x0089, "TLS_DH_anon_WITH_CAMELLIA_256_CBC_SHA" },
684 { 0x008A, "TLS_PSK_WITH_RC4_128_SHA" },
685 { 0x008B, "TLS_PSK_WITH_3DES_EDE_CBC_SHA" },
686 { 0x008C, "TLS_PSK_WITH_AES_128_CBC_SHA" },
687 { 0x008D, "TLS_PSK_WITH_AES_256_CBC_SHA" },
688 { 0x008E, "TLS_DHE_PSK_WITH_RC4_128_SHA" },
689 { 0x008F, "TLS_DHE_PSK_WITH_3DES_EDE_CBC_SHA" },
690 { 0x0090, "TLS_DHE_PSK_WITH_AES_128_CBC_SHA" },
691 { 0x0091, "TLS_DHE_PSK_WITH_AES_256_CBC_SHA" },
692 { 0x0092, "TLS_RSA_PSK_WITH_RC4_128_SHA" },
693 { 0x0093, "TLS_RSA_PSK_WITH_3DES_EDE_CBC_SHA" },
694 { 0x0094, "TLS_RSA_PSK_WITH_AES_128_CBC_SHA" },
695 { 0x0095, "TLS_RSA_PSK_WITH_AES_256_CBC_SHA" },
698 { 0x0096, "TLS_RSA_WITH_SEED_CBC_SHA" },
699 { 0x0097, "TLS_DH_DSS_WITH_SEED_CBC_SHA" },
700 { 0x0098, "TLS_DH_RSA_WITH_SEED_CBC_SHA" },
701 { 0x0099, "TLS_DHE_DSS_WITH_SEED_CBC_SHA" },
702 { 0x009A, "TLS_DHE_RSA_WITH_SEED_CBC_SHA" },
703 { 0x009B, "TLS_DH_anon_WITH_SEED_CBC_SHA" },
706 { 0x009C, "TLS_RSA_WITH_AES_128_GCM_SHA256" },
707 { 0x009D, "TLS_RSA_WITH_AES_256_GCM_SHA384" },
708 { 0x009E, "TLS_DHE_RSA_WITH_AES_128_GCM_SHA256" },
709 { 0x009F, "TLS_DHE_RSA_WITH_AES_256_GCM_SHA384" },
710 { 0x00A0, "TLS_DH_RSA_WITH_AES_128_GCM_SHA256" },
711 { 0x00A1, "TLS_DH_RSA_WITH_AES_256_GCM_SHA384" },
712 { 0x00A2, "TLS_DHE_DSS_WITH_AES_128_GCM_SHA256" },
713 { 0x00A3, "TLS_DHE_DSS_WITH_AES_256_GCM_SHA384" },
714 { 0x00A4, "TLS_DH_DSS_WITH_AES_128_GCM_SHA256" },
715 { 0x00A5, "TLS_DH_DSS_WITH_AES_256_GCM_SHA384" },
716 { 0x00A6, "TLS_DH_anon_WITH_AES_128_GCM_SHA256" },
717 { 0x00A7, "TLS_DH_anon_WITH_AES_256_GCM_SHA384" },
720 { 0x00A8, "TLS_PSK_WITH_AES_128_GCM_SHA256" },
721 { 0x00A9, "TLS_PSK_WITH_AES_256_GCM_SHA384" },
722 { 0x00AA, "TLS_DHE_PSK_WITH_AES_128_GCM_SHA256" },
723 { 0x00AB, "TLS_DHE_PSK_WITH_AES_256_GCM_SHA384" },
724 { 0x00AC, "TLS_RSA_PSK_WITH_AES_128_GCM_SHA256" },
725 { 0x00AD, "TLS_RSA_PSK_WITH_AES_256_GCM_SHA384" },
726 { 0x00AE, "TLS_PSK_WITH_AES_128_CBC_SHA256" },
727 { 0x00AF, "TLS_PSK_WITH_AES_256_CBC_SHA384" },
728 { 0x00B0, "TLS_PSK_WITH_NULL_SHA256" },
729 { 0x00B1, "TLS_PSK_WITH_NULL_SHA384" },
730 { 0x00B2, "TLS_DHE_PSK_WITH_AES_128_CBC_SHA256" },
731 { 0x00B3, "TLS_DHE_PSK_WITH_AES_256_CBC_SHA384" },
732 { 0x00B4, "TLS_DHE_PSK_WITH_NULL_SHA256" },
733 { 0x00B5, "TLS_DHE_PSK_WITH_NULL_SHA384" },
734 { 0x00B6, "TLS_RSA_PSK_WITH_AES_128_CBC_SHA256" },
735 { 0x00B7, "TLS_RSA_PSK_WITH_AES_256_CBC_SHA384" },
736 { 0x00B8, "TLS_RSA_PSK_WITH_NULL_SHA256" },
737 { 0x00B9, "TLS_RSA_PSK_WITH_NULL_SHA384" },
740 { 0x00BA, "TLS_RSA_WITH_CAMELLIA_128_CBC_SHA256" },
741 { 0x00BB, "TLS_DH_DSS_WITH_CAMELLIA_128_CBC_SHA256" },
742 { 0x00BC, "TLS_DH_RSA_WITH_CAMELLIA_128_CBC_SHA256" },
743 { 0x00BD, "TLS_DHE_DSS_WITH_CAMELLIA_128_CBC_SHA256" },
744 { 0x00BE, "TLS_DHE_RSA_WITH_CAMELLIA_128_CBC_SHA256" },
745 { 0x00BF, "TLS_DH_anon_WITH_CAMELLIA_128_CBC_SHA256" },
746 { 0x00C0, "TLS_RSA_WITH_CAMELLIA_256_CBC_SHA256" },
747 { 0x00C1, "TLS_DH_DSS_WITH_CAMELLIA_256_CBC_SHA256" },
748 { 0x00C2, "TLS_DH_RSA_WITH_CAMELLIA_256_CBC_SHA256" },
749 { 0x00C3, "TLS_DHE_DSS_WITH_CAMELLIA_256_CBC_SHA256" },
750 { 0x00C4, "TLS_DHE_RSA_WITH_CAMELLIA_256_CBC_SHA256" },
751 { 0x00C5, "TLS_DH_anon_WITH_CAMELLIA_256_CBC_SHA256" },
752 /* 0x00,0xC6-FE Unassigned */
754 { 0x0000FF, "TLS_EMPTY_RENEGOTIATION_INFO_SCSV" },
755 /* 0x01-BF,* Unassigned */
757 { 0xc001, "TLS_ECDH_ECDSA_WITH_NULL_SHA" },
758 { 0xc002, "TLS_ECDH_ECDSA_WITH_RC4_128_SHA" },
759 { 0xc003, "TLS_ECDH_ECDSA_WITH_3DES_EDE_CBC_SHA" },
760 { 0xc004, "TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA" },
761 { 0xc005, "TLS_ECDH_ECDSA_WITH_AES_256_CBC_SHA" },
762 { 0xc006, "TLS_ECDHE_ECDSA_WITH_NULL_SHA" },
763 { 0xc007, "TLS_ECDHE_ECDSA_WITH_RC4_128_SHA" },
764 { 0xc008, "TLS_ECDHE_ECDSA_WITH_3DES_EDE_CBC_SHA" },
765 { 0xc009, "TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA" },
766 { 0xc00a, "TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA" },
767 { 0xc00b, "TLS_ECDH_RSA_WITH_NULL_SHA" },
768 { 0xc00c, "TLS_ECDH_RSA_WITH_RC4_128_SHA" },
769 { 0xc00d, "TLS_ECDH_RSA_WITH_3DES_EDE_CBC_SHA" },
770 { 0xc00e, "TLS_ECDH_RSA_WITH_AES_128_CBC_SHA" },
771 { 0xc00f, "TLS_ECDH_RSA_WITH_AES_256_CBC_SHA" },
772 { 0xc010, "TLS_ECDHE_RSA_WITH_NULL_SHA" },
773 { 0xc011, "TLS_ECDHE_RSA_WITH_RC4_128_SHA" },
774 { 0xc012, "TLS_ECDHE_RSA_WITH_3DES_EDE_CBC_SHA" },
775 { 0xc013, "TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA" },
776 { 0xc014, "TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA" },
777 { 0xc015, "TLS_ECDH_anon_WITH_NULL_SHA" },
778 { 0xc016, "TLS_ECDH_anon_WITH_RC4_128_SHA" },
779 { 0xc017, "TLS_ECDH_anon_WITH_3DES_EDE_CBC_SHA" },
780 { 0xc018, "TLS_ECDH_anon_WITH_AES_128_CBC_SHA" },
781 { 0xc019, "TLS_ECDH_anon_WITH_AES_256_CBC_SHA" },
784 { 0xC01A, "TLS_SRP_SHA_WITH_3DES_EDE_CBC_SHA" },
785 { 0xC01B, "TLS_SRP_SHA_RSA_WITH_3DES_EDE_CBC_SHA" },
786 { 0xC01C, "TLS_SRP_SHA_DSS_WITH_3DES_EDE_CBC_SHA" },
787 { 0xC01D, "TLS_SRP_SHA_WITH_AES_128_CBC_SHA" },
788 { 0xC01E, "TLS_SRP_SHA_RSA_WITH_AES_128_CBC_SHA" },
789 { 0xC01F, "TLS_SRP_SHA_DSS_WITH_AES_128_CBC_SHA" },
790 { 0xC020, "TLS_SRP_SHA_WITH_AES_256_CBC_SHA" },
791 { 0xC021, "TLS_SRP_SHA_RSA_WITH_AES_256_CBC_SHA" },
792 { 0xC022, "TLS_SRP_SHA_DSS_WITH_AES_256_CBC_SHA" },
795 { 0xC023, "TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256" },
796 { 0xC024, "TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA384" },
797 { 0xC025, "TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA256" },
798 { 0xC026, "TLS_ECDH_ECDSA_WITH_AES_256_CBC_SHA384" },
799 { 0xC027, "TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256" },
800 { 0xC028, "TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384" },
801 { 0xC029, "TLS_ECDH_RSA_WITH_AES_128_CBC_SHA256" },
802 { 0xC02A, "TLS_ECDH_RSA_WITH_AES_256_CBC_SHA384" },
803 { 0xC02B, "TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256" },
804 { 0xC02C, "TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384" },
805 { 0xC02D, "TLS_ECDH_ECDSA_WITH_AES_128_GCM_SHA256" },
806 { 0xC02E, "TLS_ECDH_ECDSA_WITH_AES_256_GCM_SHA384" },
807 { 0xC02F, "TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256" },
808 { 0xC030, "TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384" },
809 { 0xC031, "TLS_ECDH_RSA_WITH_AES_128_GCM_SHA256" },
810 { 0xC032, "TLS_ECDH_RSA_WITH_AES_256_GCM_SHA384" },
813 { 0xC033, "TLS_ECDHE_PSK_WITH_RC4_128_SHA" },
814 { 0xC034, "TLS_ECDHE_PSK_WITH_3DES_EDE_CBC_SHA" },
815 { 0xC035, "TLS_ECDHE_PSK_WITH_AES_128_CBC_SHA" },
816 { 0xC036, "TLS_ECDHE_PSK_WITH_AES_256_CBC_SHA" },
817 { 0xC037, "TLS_ECDHE_PSK_WITH_AES_128_CBC_SHA256" },
818 { 0xC038, "TLS_ECDHE_PSK_WITH_AES_256_CBC_SHA384" },
819 { 0xC039, "TLS_ECDHE_PSK_WITH_NULL_SHA" },
820 { 0xC03A, "TLS_ECDHE_PSK_WITH_NULL_SHA256" },
821 { 0xC03B, "TLS_ECDHE_PSK_WITH_NULL_SHA384" },
824 { 0xC03C, "TLS_RSA_WITH_ARIA_128_CBC_SHA256" },
825 { 0xC03D, "TLS_RSA_WITH_ARIA_256_CBC_SHA384" },
826 { 0xC03E, "TLS_DH_DSS_WITH_ARIA_128_CBC_SHA256" },
827 { 0xC03F, "TLS_DH_DSS_WITH_ARIA_256_CBC_SHA384" },
828 { 0xC040, "TLS_DH_RSA_WITH_ARIA_128_CBC_SHA256" },
829 { 0xC041, "TLS_DH_RSA_WITH_ARIA_256_CBC_SHA384" },
830 { 0xC042, "TLS_DHE_DSS_WITH_ARIA_128_CBC_SHA256" },
831 { 0xC043, "TLS_DHE_DSS_WITH_ARIA_256_CBC_SHA384" },
832 { 0xC044, "TLS_DHE_RSA_WITH_ARIA_128_CBC_SHA256" },
833 { 0xC045, "TLS_DHE_RSA_WITH_ARIA_256_CBC_SHA384" },
834 { 0xC046, "TLS_DH_anon_WITH_ARIA_128_CBC_SHA256" },
835 { 0xC047, "TLS_DH_anon_WITH_ARIA_256_CBC_SHA384" },
836 { 0xC048, "TLS_ECDHE_ECDSA_WITH_ARIA_128_CBC_SHA256" },
837 { 0xC049, "TLS_ECDHE_ECDSA_WITH_ARIA_256_CBC_SHA384" },
838 { 0xC04A, "TLS_ECDH_ECDSA_WITH_ARIA_128_CBC_SHA256" },
839 { 0xC04B, "TLS_ECDH_ECDSA_WITH_ARIA_256_CBC_SHA384" },
840 { 0xC04C, "TLS_ECDHE_RSA_WITH_ARIA_128_CBC_SHA256" },
841 { 0xC04D, "TLS_ECDHE_RSA_WITH_ARIA_256_CBC_SHA384" },
842 { 0xC04E, "TLS_ECDH_RSA_WITH_ARIA_128_CBC_SHA256" },
843 { 0xC04F, "TLS_ECDH_RSA_WITH_ARIA_256_CBC_SHA384" },
844 { 0xC050, "TLS_RSA_WITH_ARIA_128_GCM_SHA256" },
845 { 0xC051, "TLS_RSA_WITH_ARIA_256_GCM_SHA384" },
846 { 0xC052, "TLS_DHE_RSA_WITH_ARIA_128_GCM_SHA256" },
847 { 0xC053, "TLS_DHE_RSA_WITH_ARIA_256_GCM_SHA384" },
848 { 0xC054, "TLS_DH_RSA_WITH_ARIA_128_GCM_SHA256" },
849 { 0xC055, "TLS_DH_RSA_WITH_ARIA_256_GCM_SHA384" },
850 { 0xC056, "TLS_DHE_DSS_WITH_ARIA_128_GCM_SHA256" },
851 { 0xC057, "TLS_DHE_DSS_WITH_ARIA_256_GCM_SHA384" },
852 { 0xC058, "TLS_DH_DSS_WITH_ARIA_128_GCM_SHA256" },
853 { 0xC059, "TLS_DH_DSS_WITH_ARIA_256_GCM_SHA384" },
854 { 0xC05A, "TLS_DH_anon_WITH_ARIA_128_GCM_SHA256" },
855 { 0xC05B, "TLS_DH_anon_WITH_ARIA_256_GCM_SHA384" },
856 { 0xC05C, "TLS_ECDHE_ECDSA_WITH_ARIA_128_GCM_SHA256" },
857 { 0xC05D, "TLS_ECDHE_ECDSA_WITH_ARIA_256_GCM_SHA384" },
858 { 0xC05E, "TLS_ECDH_ECDSA_WITH_ARIA_128_GCM_SHA256" },
859 { 0xC05F, "TLS_ECDH_ECDSA_WITH_ARIA_256_GCM_SHA384" },
860 { 0xC060, "TLS_ECDHE_RSA_WITH_ARIA_128_GCM_SHA256" },
861 { 0xC061, "TLS_ECDHE_RSA_WITH_ARIA_256_GCM_SHA384" },
862 { 0xC062, "TLS_ECDH_RSA_WITH_ARIA_128_GCM_SHA256" },
863 { 0xC063, "TLS_ECDH_RSA_WITH_ARIA_256_GCM_SHA384" },
864 { 0xC064, "TLS_PSK_WITH_ARIA_128_CBC_SHA256" },
865 { 0xC065, "TLS_PSK_WITH_ARIA_256_CBC_SHA384" },
866 { 0xC066, "TLS_DHE_PSK_WITH_ARIA_128_CBC_SHA256" },
867 { 0xC067, "TLS_DHE_PSK_WITH_ARIA_256_CBC_SHA384" },
868 { 0xC068, "TLS_RSA_PSK_WITH_ARIA_128_CBC_SHA256" },
869 { 0xC069, "TLS_RSA_PSK_WITH_ARIA_256_CBC_SHA384" },
870 { 0xC06A, "TLS_PSK_WITH_ARIA_128_GCM_SHA256" },
871 { 0xC06B, "TLS_PSK_WITH_ARIA_256_GCM_SHA384" },
872 { 0xC06C, "TLS_DHE_PSK_WITH_ARIA_128_GCM_SHA256" },
873 { 0xC06D, "TLS_DHE_PSK_WITH_ARIA_256_GCM_SHA384" },
874 { 0xC06E, "TLS_RSA_PSK_WITH_ARIA_128_GCM_SHA256" },
875 { 0xC06F, "TLS_RSA_PSK_WITH_ARIA_256_GCM_SHA384" },
876 { 0xC070, "TLS_ECDHE_PSK_WITH_ARIA_128_CBC_SHA256" },
877 { 0xC071, "TLS_ECDHE_PSK_WITH_ARIA_256_CBC_SHA384" },
880 { 0xC072, "TLS_ECDHE_ECDSA_WITH_CAMELLIA_128_CBC_SHA256" },
881 { 0xC073, "TLS_ECDHE_ECDSA_WITH_CAMELLIA_256_CBC_SHA384" },
882 { 0xC074, "TLS_ECDH_ECDSA_WITH_CAMELLIA_128_CBC_SHA256" },
883 { 0xC075, "TLS_ECDH_ECDSA_WITH_CAMELLIA_256_CBC_SHA384" },
884 { 0xC076, "TLS_ECDHE_RSA_WITH_CAMELLIA_128_CBC_SHA256" },
885 { 0xC077, "TLS_ECDHE_RSA_WITH_CAMELLIA_256_CBC_SHA384" },
886 { 0xC078, "TLS_ECDH_RSA_WITH_CAMELLIA_128_CBC_SHA256" },
887 { 0xC079, "TLS_ECDH_RSA_WITH_CAMELLIA_256_CBC_SHA384" },
888 { 0xC07A, "TLS_RSA_WITH_CAMELLIA_128_GCM_SHA256" },
889 { 0xC07B, "TLS_RSA_WITH_CAMELLIA_256_GCM_SHA384" },
890 { 0xC07C, "TLS_DHE_RSA_WITH_CAMELLIA_128_GCM_SHA256" },
891 { 0xC07D, "TLS_DHE_RSA_WITH_CAMELLIA_256_GCM_SHA384" },
892 { 0xC07E, "TLS_DH_RSA_WITH_CAMELLIA_128_GCM_SHA256" },
893 { 0xC07F, "TLS_DH_RSA_WITH_CAMELLIA_256_GCM_SHA384" },
894 { 0xC080, "TLS_DHE_DSS_WITH_CAMELLIA_128_GCM_SHA256" },
895 { 0xC081, "TLS_DHE_DSS_WITH_CAMELLIA_256_GCM_SHA384" },
896 { 0xC082, "TLS_DH_DSS_WITH_CAMELLIA_128_GCM_SHA256" },
897 { 0xC083, "TLS_DH_DSS_WITH_CAMELLIA_256_GCM_SHA384" },
898 { 0xC084, "TLS_DH_anon_WITH_CAMELLIA_128_GCM_SHA256" },
899 { 0xC085, "TLS_DH_anon_WITH_CAMELLIA_256_GCM_SHA384" },
900 { 0xC086, "TLS_ECDHE_ECDSA_WITH_CAMELLIA_128_GCM_SHA256" },
901 { 0xC087, "TLS_ECDHE_ECDSA_WITH_CAMELLIA_256_GCM_SHA384" },
902 { 0xC088, "TLS_ECDH_ECDSA_WITH_CAMELLIA_128_GCM_SHA256" },
903 { 0xC089, "TLS_ECDH_ECDSA_WITH_CAMELLIA_256_GCM_SHA384" },
904 { 0xC08A, "TLS_ECDHE_RSA_WITH_CAMELLIA_128_GCM_SHA256" },
905 { 0xC08B, "TLS_ECDHE_RSA_WITH_CAMELLIA_256_GCM_SHA384" },
906 { 0xC08C, "TLS_ECDH_RSA_WITH_CAMELLIA_128_GCM_SHA256" },
907 { 0xC08D, "TLS_ECDH_RSA_WITH_CAMELLIA_256_GCM_SHA384" },
908 { 0xC08E, "TLS_PSK_WITH_CAMELLIA_128_GCM_SHA256" },
909 { 0xC08F, "TLS_PSK_WITH_CAMELLIA_256_GCM_SHA384" },
910 { 0xC090, "TLS_DHE_PSK_WITH_CAMELLIA_128_GCM_SHA256" },
911 { 0xC091, "TLS_DHE_PSK_WITH_CAMELLIA_256_GCM_SHA384" },
912 { 0xC092, "TLS_RSA_PSK_WITH_CAMELLIA_128_GCM_SHA256" },
913 { 0xC093, "TLS_RSA_PSK_WITH_CAMELLIA_256_GCM_SHA384" },
914 { 0xC094, "TLS_PSK_WITH_CAMELLIA_128_CBC_SHA256" },
915 { 0xC095, "TLS_PSK_WITH_CAMELLIA_256_CBC_SHA384" },
916 { 0xC096, "TLS_DHE_PSK_WITH_CAMELLIA_128_CBC_SHA256" },
917 { 0xC097, "TLS_DHE_PSK_WITH_CAMELLIA_256_CBC_SHA384" },
918 { 0xC098, "TLS_RSA_PSK_WITH_CAMELLIA_128_CBC_SHA256" },
919 { 0xC099, "TLS_RSA_PSK_WITH_CAMELLIA_256_CBC_SHA384" },
920 { 0xC09A, "TLS_ECDHE_PSK_WITH_CAMELLIA_128_CBC_SHA256" },
921 { 0xC09B, "TLS_ECDHE_PSK_WITH_CAMELLIA_256_CBC_SHA384" },
924 { 0xC09C, "TLS_RSA_WITH_AES_128_CCM" },
925 { 0xC09D, "TLS_RSA_WITH_AES_256_CCM" },
926 { 0xC09E, "TLS_DHE_RSA_WITH_AES_128_CCM" },
927 { 0xC09F, "TLS_DHE_RSA_WITH_AES_256_CCM" },
928 { 0xC0A0, "TLS_RSA_WITH_AES_128_CCM_8" },
929 { 0xC0A1, "TLS_RSA_WITH_AES_256_CCM_8" },
930 { 0xC0A2, "TLS_DHE_RSA_WITH_AES_128_CCM_8" },
931 { 0xC0A3, "TLS_DHE_RSA_WITH_AES_256_CCM_8" },
932 { 0xC0A4, "TLS_PSK_WITH_AES_128_CCM" },
933 { 0xC0A5, "TLS_PSK_WITH_AES_256_CCM" },
934 { 0xC0A6, "TLS_DHE_PSK_WITH_AES_128_CCM" },
935 { 0xC0A7, "TLS_DHE_PSK_WITH_AES_256_CCM" },
936 { 0xC0A8, "TLS_PSK_WITH_AES_128_CCM_8" },
937 { 0xC0A9, "TLS_PSK_WITH_AES_256_CCM_8" },
938 { 0xC0AA, "TLS_PSK_DHE_WITH_AES_128_CCM_8" },
939 { 0xC0AB, "TLS_PSK_DHE_WITH_AES_256_CCM_8" },
941 0xC0,0xAB-FF Unassigned
943 0xFE,0x00-FD Unassigned
944 0xFE,0xFE-FF Reserved to avoid conflicts with widely deployed implementations [Pasi_Eronen]
945 0xFF,0x00-FF Reserved for Private Use [RFC5246]
947 /* these from http://www.mozilla.org/projects/
948 security/pki/nss/ssl/fips-ssl-ciphersuites.html */
949 { 0xfefe, "SSL_RSA_FIPS_WITH_DES_CBC_SHA"},
950 { 0xfeff, "SSL_RSA_FIPS_WITH_3DES_EDE_CBC_SHA" },
951 { 0xffe0, "SSL_RSA_FIPS_WITH_3DES_EDE_CBC_SHA" },
952 { 0xffe1, "SSL_RSA_FIPS_WITH_DES_CBC_SHA"},
953 /* note that ciphersuites 0xff00 - 0xffff are private */
957 value_string_ext ssl_31_ciphersuite_ext = VALUE_STRING_EXT_INIT(ssl_31_ciphersuite);
960 const value_string pct_msg_types[] = {
961 { PCT_MSG_CLIENT_HELLO, "Client Hello" },
962 { PCT_MSG_SERVER_HELLO, "Server Hello" },
963 { PCT_MSG_CLIENT_MASTER_KEY, "Client Master Key" },
964 { PCT_MSG_SERVER_VERIFY, "Server Verify" },
965 { PCT_MSG_ERROR, "Error" },
969 const value_string pct_cipher_type[] = {
970 { PCT_CIPHER_DES, "DES" },
971 { PCT_CIPHER_IDEA, "IDEA" },
972 { PCT_CIPHER_RC2, "RC2" },
973 { PCT_CIPHER_RC4, "RC4" },
974 { PCT_CIPHER_DES_112, "DES 112 bit" },
975 { PCT_CIPHER_DES_168, "DES 168 bit" },
979 const value_string pct_hash_type[] = {
980 { PCT_HASH_MD5, "MD5" },
981 { PCT_HASH_MD5_TRUNC_64, "MD5_TRUNC_64"},
982 { PCT_HASH_SHA, "SHA"},
983 { PCT_HASH_SHA_TRUNC_80, "SHA_TRUNC_80"},
984 { PCT_HASH_DES_DM, "DES_DM"},
988 const value_string pct_cert_type[] = {
989 { PCT_CERT_NONE, "None" },
990 { PCT_CERT_X509, "X.509" },
991 { PCT_CERT_PKCS7, "PKCS #7" },
994 const value_string pct_sig_type[] = {
995 { PCT_SIG_NONE, "None" },
996 { PCT_SIG_RSA_MD5, "MD5" },
997 { PCT_SIG_RSA_SHA, "RSA SHA" },
998 { PCT_SIG_DSA_SHA, "DSA SHA" },
1002 const value_string pct_exch_type[] = {
1003 { PCT_EXCH_RSA_PKCS1, "RSA PKCS#1" },
1004 { PCT_EXCH_RSA_PKCS1_TOKEN_DES, "RSA PKCS#1 Token DES" },
1005 { PCT_EXCH_RSA_PKCS1_TOKEN_DES3, "RSA PKCS#1 Token 3DES" },
1006 { PCT_EXCH_RSA_PKCS1_TOKEN_RC2, "RSA PKCS#1 Token RC-2" },
1007 { PCT_EXCH_RSA_PKCS1_TOKEN_RC4, "RSA PKCS#1 Token RC-4" },
1008 { PCT_EXCH_DH_PKCS3, "DH PKCS#3" },
1009 { PCT_EXCH_DH_PKCS3_TOKEN_DES, "DH PKCS#3 Token DES" },
1010 { PCT_EXCH_DH_PKCS3_TOKEN_DES3, "DH PKCS#3 Token 3DES" },
1011 { PCT_EXCH_FORTEZZA_TOKEN, "Fortezza" },
1015 const value_string pct_error_code[] = {
1016 { PCT_ERR_BAD_CERTIFICATE, "PCT_ERR_BAD_CERTIFICATE" },
1017 { PCT_ERR_CLIENT_AUTH_FAILED, "PCT_ERR_CLIENT_AUTH_FAILE" },
1018 { PCT_ERR_ILLEGAL_MESSAGE, "PCT_ERR_ILLEGAL_MESSAGE" },
1019 { PCT_ERR_INTEGRITY_CHECK_FAILED, "PCT_ERR_INTEGRITY_CHECK_FAILED" },
1020 { PCT_ERR_SERVER_AUTH_FAILED, "PCT_ERR_SERVER_AUTH_FAILED" },
1021 { PCT_ERR_SPECS_MISMATCH, "PCT_ERR_SPECS_MISMATCH" },
1026 const value_string tls_hello_extension_types[] = {
1027 { SSL_HND_HELLO_EXT_SERVER_NAME, "server_name" }, /* RFC 3546 */
1028 { 1, "max_fragment_length" },
1029 { 2, "client_certificate_url" },
1030 { 3, "trusted_ca_keys" },
1031 { 4, "truncated_hmac" },
1032 { SSL_HND_HELLO_EXT_STATUS_REQUEST, "status_request" }, /* RFC 6066 */
1033 { 6, "user_mapping" }, /* RFC 4681 */
1034 { 7, "client_authz" },
1035 { 8, "server_authz" },
1036 { 9, "cert_type" }, /* RFC 5081 */
1037 { SSL_HND_HELLO_EXT_ELLIPTIC_CURVES, "elliptic_curves" }, /* RFC 4492 */
1038 { SSL_HND_HELLO_EXT_EC_POINT_FORMATS, "ec_point_formats" }, /* RFC 4492 */
1039 { 12, "srp" }, /* RFC 5054 */
1040 { 13, "signature_algorithms" }, /* RFC 5246 */
1042 { SSL_HND_HELLO_EXT_HEARTBEAT, "Heartbeat" }, /* RFC 6520 */
1043 { SSL_HND_HELLO_EXT_ALPN, "Application Layer Protocol Negotiation" }, /* draft-ietf-tls-applayerprotoneg-01 */
1044 { SSL_HND_HELLO_EXT_STATUS_REQUEST_V2, "status_request_v2" }, /* RFC 6961 */
1045 { 35, "SessionTicket TLS" }, /* RFC 4507 */
1046 { SSL_HND_HELLO_EXT_NPN, "next_protocol_negotiation"}, /* http://technotes.googlecode.com/git/nextprotoneg.html */
1047 { SSL_HND_HELLO_EXT_RENEG_INFO, "renegotiation_info" }, /* RFC 5746 */
1051 const value_string tls_hello_ext_server_name_type_vs[] = {
1056 /* RFC 5246 7.4.1.4.1 */
1057 const value_string tls_hash_algorithm[] = {
1068 const value_string tls_signature_algorithm[] = {
1077 const value_string tls_certificate_type[] = {
1083 const value_string tls_cert_chain_type[] = {
1084 { SSL_HND_CERT_URL_TYPE_INDIVIDUAL_CERT, "Individual Certificates" },
1085 { SSL_HND_CERT_URL_TYPE_PKIPATH, "PKI Path" },
1089 const value_string tls_cert_status_type[] = {
1090 { SSL_HND_CERT_STATUS_TYPE_OCSP, "OCSP" },
1091 { SSL_HND_CERT_STATUS_TYPE_OCSP_MULTI, "OCSP Multi" },
1095 /* we keep this internal to packet-ssl-utils, as there should be
1096 no need to access it any other way.
1098 This also allows us to hide the dependency on zlib.
1100 struct _SslDecompress {
1107 /* To assist in parsing client/server key exchange messages
1108 0 indicates unknown */
1109 gint ssl_get_keyex_alg(gint cipher)
1338 ssl_data_alloc(StringInfo* str, size_t len)
1340 str->data = (guchar *)g_malloc(len);
1341 /* the allocator can return a null pointer for a size equal to 0,
1342 * and that must be allowed */
1343 if (len > 0 && !str->data)
1345 str->data_len = (guint) len;
1350 ssl_data_set(StringInfo* str, const guchar* data, guint len)
1352 memcpy(str->data, data, len);
1353 str->data_len = len;
1358 from_hex_char(gchar c) {
1359 if ((c >= '0') && (c <= '9'))
1361 if ((c >= 'A') && (c <= 'F'))
1362 return c - 'A' + 10;
1363 if ((c >= 'a') && (c <= 'f'))
1364 return c - 'a' + 10;
1368 /* from_hex converts |hex_len| bytes of hex data from |in| and sets |*out| to
1369 * the result. |out->data| will be allocated using se_alloc. Returns TRUE on
1371 static gboolean from_hex(StringInfo* out, const char* in, gsize hex_len) {
1377 out->data_len = (guint)hex_len/2;
1378 out->data = (guchar *)wmem_alloc(wmem_file_scope(), out->data_len);
1379 for (i = 0; i < out->data_len; i++) {
1380 guint8 a = from_hex_char(in[i*2]);
1381 guint8 b = from_hex_char(in[i*2 + 1]);
1382 if (a == 16 || b == 16)
1384 out->data[i] = a << 4 | b;
1390 #if defined(HAVE_LIBGNUTLS) && defined(HAVE_LIBGCRYPT)
1392 /* hmac abstraction layer */
1393 #define SSL_HMAC gcry_md_hd_t
1396 ssl_hmac_init(SSL_HMAC* md, const void * key, gint len, gint algo)
1399 const char *err_str, *err_src;
1401 err = gcry_md_open(md,algo, GCRY_MD_FLAG_HMAC);
1403 err_str = gcry_strerror(err);
1404 err_src = gcry_strsource(err);
1405 ssl_debug_printf("ssl_hmac_init(): gcry_md_open failed %s/%s", err_str, err_src);
1408 gcry_md_setkey (*(md), key, len);
1412 ssl_hmac_update(SSL_HMAC* md, const void* data, gint len)
1414 gcry_md_write(*(md), data, len);
1417 ssl_hmac_final(SSL_HMAC* md, guchar* data, guint* datalen)
1422 algo = gcry_md_get_algo (*(md));
1423 len = gcry_md_get_algo_dlen(algo);
1424 DISSECTOR_ASSERT(len <= *datalen);
1425 memcpy(data, gcry_md_read(*(md), algo), len);
1429 ssl_hmac_cleanup(SSL_HMAC* md)
1431 gcry_md_close(*(md));
1434 /* memory digest abstraction layer*/
1435 #define SSL_MD gcry_md_hd_t
1438 ssl_md_init(SSL_MD* md, gint algo)
1441 const char *err_str, *err_src;
1442 err = gcry_md_open(md,algo, 0);
1444 err_str = gcry_strerror(err);
1445 err_src = gcry_strsource(err);
1446 ssl_debug_printf("ssl_md_init(): gcry_md_open failed %s/%s", err_str, err_src);
1452 ssl_md_update(SSL_MD* md, guchar* data, gint len)
1454 gcry_md_write(*(md), data, len);
1457 ssl_md_final(SSL_MD* md, guchar* data, guint* datalen)
1461 algo = gcry_md_get_algo (*(md));
1462 len = gcry_md_get_algo_dlen (algo);
1463 memcpy(data, gcry_md_read(*(md), algo), len);
1467 ssl_md_cleanup(SSL_MD* md)
1469 gcry_md_close(*(md));
1472 /* md5 /sha abstraction layer */
1473 #define SSL_SHA_CTX gcry_md_hd_t
1474 #define SSL_MD5_CTX gcry_md_hd_t
1477 ssl_sha_init(SSL_SHA_CTX* md)
1479 gcry_md_open(md,GCRY_MD_SHA1, 0);
1482 ssl_sha_update(SSL_SHA_CTX* md, guchar* data, gint len)
1484 gcry_md_write(*(md), data, len);
1487 ssl_sha_final(guchar* buf, SSL_SHA_CTX* md)
1489 memcpy(buf, gcry_md_read(*(md), GCRY_MD_SHA1),
1490 gcry_md_get_algo_dlen(GCRY_MD_SHA1));
1493 ssl_sha_cleanup(SSL_SHA_CTX* md)
1495 gcry_md_close(*(md));
1499 ssl_md5_init(SSL_MD5_CTX* md)
1501 return gcry_md_open(md,GCRY_MD_MD5, 0);
1504 ssl_md5_update(SSL_MD5_CTX* md, guchar* data, gint len)
1506 gcry_md_write(*(md), data, len);
1509 ssl_md5_final(guchar* buf, SSL_MD5_CTX* md)
1511 memcpy(buf, gcry_md_read(*(md), GCRY_MD_MD5),
1512 gcry_md_get_algo_dlen(GCRY_MD_MD5));
1515 ssl_md5_cleanup(SSL_MD5_CTX* md)
1517 gcry_md_close(*(md));
1521 ssl_cipher_setiv(SSL_CIPHER_CTX *cipher, guchar* iv, gint iv_len)
1528 c=(gcry_cipher_hd_t)*cipher;
1530 ssl_debug_printf("--------------------------------------------------------------------");
1532 for(ivp=c->iv,i=0; i < iv_len; i++ )
1534 ssl_debug_printf("%d ",ivp[i]);
1538 ssl_debug_printf("--------------------------------------------------------------------");
1539 ret = gcry_cipher_setiv(*(cipher), iv, iv_len);
1541 for(ivp=c->iv,i=0; i < iv_len; i++ )
1543 ssl_debug_printf("%d ",ivp[i]);
1547 ssl_debug_printf("--------------------------------------------------------------------");
1550 /* stream cipher abstraction layer*/
1552 ssl_cipher_init(gcry_cipher_hd_t *cipher, gint algo, guchar* sk,
1553 guchar* iv, gint mode)
1555 gint gcry_modes[]={GCRY_CIPHER_MODE_STREAM,GCRY_CIPHER_MODE_CBC,GCRY_CIPHER_MODE_CTR,GCRY_CIPHER_MODE_CTR,GCRY_CIPHER_MODE_CTR};
1559 *(cipher) = (gcry_cipher_hd_t)-1;
1562 err = gcry_cipher_open(cipher, algo, gcry_modes[mode], 0);
1565 err = gcry_cipher_setkey(*(cipher), sk, gcry_cipher_get_algo_keylen (algo));
1568 err = gcry_cipher_setiv(*(cipher), iv, gcry_cipher_get_algo_blklen (algo));
1574 ssl_cipher_decrypt(gcry_cipher_hd_t *cipher, guchar * out, gint outl,
1575 const guchar * in, gint inl)
1577 if ((*cipher) == (gcry_cipher_hd_t)-1)
1580 memcpy(out, in, outl < inl ? outl : inl);
1583 return gcry_cipher_decrypt ( *(cipher), out, outl, in, inl);
1586 ssl_get_digest_by_name(const gchar*name)
1588 return gcry_md_map_name(name);
1591 ssl_get_cipher_by_name(const gchar* name)
1593 return gcry_cipher_map_name(name);
1597 ssl_cipher_cleanup(gcry_cipher_hd_t *cipher)
1599 if ((*cipher) != (gcry_cipher_hd_t)-1)
1600 gcry_cipher_close(*cipher);
1605 /* private key abstraction layer */
1607 ssl_get_key_len(SSL_PRIVATE_KEY* pk) {return gcry_pk_get_nbits (pk); }
1611 _gcry_rsa_decrypt (int algo, gcry_mpi_t *result, gcry_mpi_t *data,
1612 gcry_mpi_t *skey, gint flags);
1614 #define PUBKEY_FLAG_NO_BLINDING (1 << 0)
1617 ssl_private_key_to_str(SSL_PRIVATE_KEY* pk)
1619 const gchar *str = "NULL";
1623 if (!pk) return str;
1625 n = gcry_sexp_sprint(pk, GCRYSEXP_FMT_ADVANCED, NULL, 0);
1626 buf = (gchar *)ep_alloc(n);
1627 /*n = gcry_sexp_sprint(pk, GCRYSEXP_FMT_ADVANCED, buf, n);*/
1629 #else /* SSL_FAST */
1630 str = "TO DO: dump mpi gcry_mpi_print()";
1631 #endif /* SSL_FAST */
1636 /* decrypt data with private key. Store decrypted data directly into input
1639 ssl_private_decrypt(guint len, guchar* encr_data, SSL_PRIVATE_KEY* pk)
1643 gcry_sexp_t s_data, s_plain;
1644 gcry_mpi_t encr_mpi;
1646 guchar* decr_data_ptr;
1652 /* build up a mpi rappresentation for encrypted data */
1653 rc = gcry_mpi_scan(&encr_mpi, GCRYMPI_FMT_USG,encr_data, encr_len, &encr_len);
1655 ssl_debug_printf("pcry_private_decrypt: can't convert encr_data to mpi (size %d):%s\n",
1656 len, gcry_strerror(rc));
1660 /*ssl_debug_printf("pcry_private_decrypt: pk=%s\n", ssl_private_key_to_str(pk));*/
1663 /* put the data into a simple list */
1664 rc = gcry_sexp_build(&s_data, NULL, "(enc-val(rsa(a%m)))", encr_mpi);
1666 ssl_debug_printf("pcry_private_decrypt: can't build encr_sexp:%s \n",
1671 /* pass it to libgcrypt */
1672 rc = gcry_pk_decrypt(&s_plain, s_data, pk);
1673 gcry_sexp_release(s_data);
1676 ssl_debug_printf("pcry_private_decrypt: can't decrypt key:%s\n",
1681 /* convert plain text sexp to mpi format */
1682 text = gcry_sexp_nth_mpi(s_plain, 0, 0);
1684 /* compute size requested for plaintext buffer */
1686 if (gcry_mpi_print(GCRYMPI_FMT_USG, NULL, decr_len, &decr_len, text) != 0) {
1687 ssl_debug_printf("pcry_private_decrypt: can't compute decr size:%s\n",
1693 /* sanity check on out buffer */
1694 if (decr_len > len) {
1695 ssl_debug_printf("pcry_private_decrypt: decrypted data is too long ?!? (%" G_GSIZE_MODIFIER "u max %d)\n",
1700 /* write plain text to encrypted data buffer */
1701 decr_data_ptr = encr_data;
1702 if (gcry_mpi_print( GCRYMPI_FMT_USG, decr_data_ptr, decr_len, &decr_len,
1704 ssl_debug_printf("pcry_private_decrypt: can't print decr data to mpi (size %" G_GSIZE_MODIFIER "u):%s\n",
1705 decr_len, gcry_strerror(rc));
1706 g_free(decr_data_ptr);
1711 /* strip the padding*/
1713 for (i = 1; i < decr_len; i++) {
1714 if (decr_data_ptr[i] == 0) {
1720 ssl_debug_printf("pcry_private_decrypt: stripping %d bytes, decr_len %" G_GSIZE_MODIFIER "u\n",
1722 ssl_print_data("decrypted_unstrip_pre_master", decr_data_ptr, decr_len);
1723 memmove(decr_data_ptr, &decr_data_ptr[rc], decr_len - rc);
1727 gcry_sexp_release(s_plain);
1728 #else /* SSL_FAST */
1729 rc = _gcry_rsa_decrypt(0, &text, &encr_mpi, pk,0);
1730 gcry_mpi_print( GCRYMPI_FMT_USG, 0, 0, &decr_len, text);
1732 /* sanity check on out buffer */
1733 if (decr_len > len) {
1734 ssl_debug_printf("pcry_private_decrypt: decrypted data is too long ?!? (%d max %d)\n",
1739 /* write plain text to newly allocated buffer */
1740 decr_data_ptr = encr_data;
1741 if (gcry_mpi_print( GCRYMPI_FMT_USG, decr_data_ptr, decr_len, &decr_len,
1743 ssl_debug_printf("pcry_private_decrypt: can't print decr data to mpi (size %d):%s\n",
1744 decr_len, gcry_strerror(rc));
1748 /* strip the padding*/
1750 for (i = 1; i < decr_len; i++) {
1751 if (decr_data_ptr[i] == 0) {
1757 ssl_debug_printf("pcry_private_decrypt: stripping %d bytes, decr_len %d\n",
1759 ssl_print_data("decrypted_unstrip_pre_master", decr_data_ptr, decr_len);
1760 memmove(decr_data_ptr, &decr_data_ptr[rc], decr_len - rc);
1762 #endif /* SSL_FAST */
1763 gcry_mpi_release(text);
1764 return (int) decr_len;
1767 /* stringinfo interface */
1769 ssl_data_realloc(StringInfo* str, guint len)
1771 str->data = (guchar *)g_realloc(str->data, len);
1774 str->data_len = len;
1779 ssl_data_copy(StringInfo* dst, StringInfo* src)
1781 if (dst->data_len < src->data_len) {
1782 if (ssl_data_realloc(dst, src->data_len))
1785 memcpy(dst->data, src->data, src->data_len);
1786 dst->data_len = src->data_len;
1790 static const SslDigestAlgo digests[]={
1795 {"Not Applicable", 0},
1798 #define DIGEST_MAX_SIZE 48
1800 /* get index digest index */
1801 static const SslDigestAlgo *
1802 ssl_cipher_suite_dig(SslCipherSuite *cs) {
1803 return &digests[cs->dig - DIG_MD5];
1806 static const gchar *ciphers[]={
1809 "ARCFOUR", /* libgcrypt does not support rc4, but this should be 100% compatible*/
1810 "RFC2268_128", /* libgcrypt name for RC2 with a 128-bit key */
1820 static SslCipherSuite cipher_suites[]={
1821 {0x0001,KEX_RSA, ENC_NULL, 1, 0, 0,DIG_MD5, MODE_STREAM}, /* TLS_RSA_WITH_NULL_MD5 */
1822 {0x0002,KEX_RSA, ENC_NULL, 1, 0, 0,DIG_SHA, MODE_STREAM}, /* TLS_RSA_WITH_NULL_SHA */
1823 {0x0003,KEX_RSA, ENC_RC4, 1,128, 40,DIG_MD5, MODE_STREAM}, /* TLS_RSA_EXPORT_WITH_RC4_40_MD5 */
1824 {0x0004,KEX_RSA, ENC_RC4, 1,128,128,DIG_MD5, MODE_STREAM}, /* TLS_RSA_WITH_RC4_128_MD5 */
1825 {0x0005,KEX_RSA, ENC_RC4, 1,128,128,DIG_SHA, MODE_STREAM}, /* TLS_RSA_WITH_RC4_128_SHA */
1826 {0x0006,KEX_RSA, ENC_RC2, 8,128, 40,DIG_MD5, MODE_CBC }, /* TLS_RSA_EXPORT_WITH_RC2_CBC_40_MD5 */
1827 {0x0007,KEX_RSA, ENC_IDEA, 8,128,128,DIG_SHA, MODE_CBC }, /* TLS_RSA_WITH_IDEA_CBC_SHA */
1828 {0x0008,KEX_RSA, ENC_DES, 8, 64, 40,DIG_SHA, MODE_CBC }, /* TLS_RSA_EXPORT_WITH_DES40_CBC_SHA */
1829 {0x0009,KEX_RSA, ENC_DES, 8, 64, 64,DIG_SHA, MODE_CBC }, /* TLS_RSA_WITH_DES_CBC_SHA */
1830 {0x000A,KEX_RSA, ENC_3DES, 8,192,192,DIG_SHA, MODE_CBC }, /* TLS_RSA_WITH_3DES_EDE_CBC_SHA */
1831 {0x000B,KEX_DH, ENC_DES, 8, 64, 40,DIG_SHA, MODE_CBC }, /* TLS_DH_DSS_EXPORT_WITH_DES40_CBC_SHA */
1832 {0x000C,KEX_DH, ENC_DES, 8, 64, 64,DIG_SHA, MODE_CBC }, /* TLS_DH_DSS_WITH_DES_CBC_SHA */
1833 {0x000D,KEX_DH, ENC_3DES, 8,192,192,DIG_SHA, MODE_CBC }, /* TLS_DH_DSS_WITH_3DES_EDE_CBC_SHA */
1834 {0x000E,KEX_DH, ENC_DES, 8, 64, 40,DIG_SHA, MODE_CBC }, /* TLS_DH_RSA_EXPORT_WITH_DES40_CBC_SHA */
1835 {0x000F,KEX_DH, ENC_DES, 8, 64, 64,DIG_SHA, MODE_CBC }, /* TLS_DH_RSA_WITH_DES_CBC_SHA */
1836 {0x0010,KEX_DH, ENC_3DES, 8,192,192,DIG_SHA, MODE_CBC }, /* TLS_DH_RSA_WITH_3DES_EDE_CBC_SHA */
1837 {0x0011,KEX_DH, ENC_DES, 8, 64, 40,DIG_SHA, MODE_CBC }, /* TLS_DHE_DSS_EXPORT_WITH_DES40_CBC_SHA */
1838 {0x0012,KEX_DH, ENC_DES, 8, 64, 64,DIG_SHA, MODE_CBC }, /* TLS_DHE_DSS_WITH_DES_CBC_SHA */
1839 {0x0013,KEX_DH, ENC_3DES, 8,192,192,DIG_SHA, MODE_CBC }, /* TLS_DHE_DSS_WITH_3DES_EDE_CBC_SHA */
1840 {0x0014,KEX_DH, ENC_DES, 8, 64, 40,DIG_SHA, MODE_CBC }, /* TLS_DHE_RSA_EXPORT_WITH_DES40_CBC_SHA */
1841 {0x0015,KEX_DH, ENC_DES, 8, 64, 64,DIG_SHA, MODE_CBC }, /* TLS_DHE_RSA_WITH_DES_CBC_SHA */
1842 {0x0016,KEX_DH, ENC_3DES, 8,192,192,DIG_SHA, MODE_CBC }, /* TLS_DHE_RSA_WITH_3DES_EDE_CBC_SHA */
1843 {0x0017,KEX_DH, ENC_RC4, 1,128, 40,DIG_MD5, MODE_STREAM}, /* TLS_DH_anon_EXPORT_WITH_RC4_40_MD5 */
1844 {0x0018,KEX_DH, ENC_RC4, 1,128,128,DIG_MD5, MODE_STREAM}, /* TLS_DH_anon_WITH_RC4_128_MD5 */
1845 {0x0019,KEX_DH, ENC_DES, 8, 64, 40,DIG_SHA, MODE_CBC }, /* TLS_DH_anon_EXPORT_WITH_DES40_CBC_SHA */
1846 {0x001A,KEX_DH, ENC_DES, 8, 64, 64,DIG_SHA, MODE_CBC }, /* TLS_DH_anon_WITH_DES_CBC_SHA */
1847 {0x001B,KEX_DH, ENC_3DES, 8,192,192,DIG_SHA, MODE_CBC }, /* TLS_DH_anon_WITH_3DES_EDE_CBC_SHA */
1848 {0x002F,KEX_RSA, ENC_AES, 16,128,128,DIG_SHA, MODE_CBC }, /* TLS_RSA_WITH_AES_128_CBC_SHA */
1849 {0x0030,KEX_DH, ENC_AES, 16,128,128,DIG_SHA, MODE_CBC }, /* TLS_DH_DSS_WITH_AES_128_CBC_SHA */
1850 {0x0031,KEX_DH, ENC_AES, 16,128,128,DIG_SHA, MODE_CBC }, /* TLS_DH_RSA_WITH_AES_128_CBC_SHA */
1851 {0x0032,KEX_DH, ENC_AES, 16,128,128,DIG_SHA, MODE_CBC }, /* TLS_DHE_DSS_WITH_AES_128_CBC_SHA */
1852 {0x0033,KEX_DH, ENC_AES, 16,128,128,DIG_SHA, MODE_CBC }, /* TLS_DHE_RSA_WITH_AES_128_CBC_SHA */
1853 {0x0034,KEX_DH, ENC_AES, 16,128,128,DIG_SHA, MODE_CBC }, /* TLS_DH_anon_WITH_AES_128_CBC_SHA */
1854 {0x0035,KEX_RSA, ENC_AES256, 16,256,256,DIG_SHA, MODE_CBC }, /* TLS_RSA_WITH_AES_256_CBC_SHA */
1855 {0x0036,KEX_DH, ENC_AES256, 16,256,256,DIG_SHA, MODE_CBC }, /* TLS_DH_DSS_WITH_AES_256_CBC_SHA */
1856 {0x0037,KEX_DH, ENC_AES256, 16,256,256,DIG_SHA, MODE_CBC }, /* TLS_DH_RSA_WITH_AES_256_CBC_SHA */
1857 {0x0038,KEX_DH, ENC_AES256, 16,256,256,DIG_SHA, MODE_CBC }, /* TLS_DHE_DSS_WITH_AES_256_CBC_SHA */
1858 {0x0039,KEX_DH, ENC_AES256, 16,256,256,DIG_SHA, MODE_CBC }, /* TLS_DHE_RSA_WITH_AES_256_CBC_SHA */
1859 {0x003A,KEX_DH, ENC_AES256, 16,256,256,DIG_SHA, MODE_CBC }, /* TLS_DH_anon_WITH_AES_256_CBC_SHA */
1860 {0x003B,KEX_RSA, ENC_NULL, 1, 0, 0,DIG_SHA256, MODE_STREAM}, /* TLS_RSA_WITH_NULL_SHA256 */
1861 {0x003C,KEX_RSA, ENC_AES, 16,128,128,DIG_SHA256, MODE_CBC }, /* TLS_RSA_WITH_AES_128_CBC_SHA256 */
1862 {0x003D,KEX_RSA, ENC_AES256, 16,256,256,DIG_SHA256, MODE_CBC }, /* TLS_RSA_WITH_AES_256_CBC_SHA256 */
1863 {0x003E,KEX_DH, ENC_AES, 16,128,128,DIG_SHA256, MODE_CBC }, /* TLS_DH_DSS_WITH_AES_128_CBC_SHA256 */
1864 {0x003F,KEX_DH, ENC_AES, 16,128,128,DIG_SHA256, MODE_CBC }, /* TLS_DH_RSA_WITH_AES_128_CBC_SHA256 */
1865 {0x0040,KEX_DH, ENC_AES, 16,128,128,DIG_SHA256, MODE_CBC }, /* TLS_DHE_DSS_WITH_AES_128_CBC_SHA256 */
1866 {0x0041,KEX_RSA, ENC_CAMELLIA128,16,128,128,DIG_SHA, MODE_CBC }, /* TLS_RSA_WITH_CAMELLIA_128_CBC_SHA */
1867 {0x0042,KEX_DH, ENC_CAMELLIA128,16,128,128,DIG_SHA, MODE_CBC }, /* TLS_DH_DSS_WITH_CAMELLIA_128_CBC_SHA */
1868 {0x0043,KEX_DH, ENC_CAMELLIA128,16,128,128,DIG_SHA, MODE_CBC }, /* TLS_DH_RSA_WITH_CAMELLIA_128_CBC_SHA */
1869 {0x0044,KEX_DH, ENC_CAMELLIA128,16,128,128,DIG_SHA, MODE_CBC }, /* TLS_DHE_DSS_WITH_CAMELLIA_128_CBC_SHA */
1870 {0x0045,KEX_DH, ENC_CAMELLIA128,16,128,128,DIG_SHA, MODE_CBC }, /* TLS_DHE_RSA_WITH_CAMELLIA_128_CBC_SHA */
1871 {0x0046,KEX_DH, ENC_CAMELLIA128,16,128,128,DIG_SHA, MODE_CBC }, /* TLS_DH_anon_WITH_CAMELLIA_128_CBC_SHA */
1872 {0x0060,KEX_RSA, ENC_RC4, 1,128, 56,DIG_MD5, MODE_STREAM},
1873 {0x0061,KEX_RSA, ENC_RC2, 1,128, 56,DIG_MD5, MODE_STREAM},
1874 {0x0062,KEX_RSA, ENC_DES, 8, 64, 56,DIG_SHA, MODE_CBC }, /* TLS_RSA_EXPORT1024_WITH_DES_CBC_SHA */
1875 {0x0063,KEX_DH, ENC_DES, 8, 64, 56,DIG_SHA, MODE_CBC }, /* TLS_DHE_DSS_EXPORT1024_WITH_DES_CBC_SHA */
1876 {0x0064,KEX_RSA, ENC_RC4, 1,128, 56,DIG_SHA, MODE_STREAM},
1877 {0x0065,KEX_DH, ENC_RC4, 1,128, 56,DIG_SHA, MODE_STREAM},
1878 {0x0066,KEX_DH, ENC_RC4, 1,128,128,DIG_SHA, MODE_STREAM},
1879 {0x0067,KEX_DH, ENC_AES, 16,128,128,DIG_SHA256, MODE_CBC }, /* TLS_DHE_RSA_WITH_AES_128_CBC_SHA256 */
1880 {0x0068,KEX_DH, ENC_AES256, 16,256,256,DIG_SHA256, MODE_CBC }, /* TLS_DH_DSS_WITH_AES_256_CBC_SHA256 */
1881 {0x0069,KEX_DH, ENC_AES256, 16,256,256,DIG_SHA256, MODE_CBC }, /* TLS_DH_RSA_WITH_AES_256_CBC_SHA256 */
1882 {0x006A,KEX_DH, ENC_AES256, 16,256,256,DIG_SHA256, MODE_CBC }, /* TLS_DHE_DSS_WITH_AES_256_CBC_SHA256 */
1883 {0x006B,KEX_DH, ENC_AES256, 16,256,256,DIG_SHA256, MODE_CBC }, /* TLS_DHE_RSA_WITH_AES_256_CBC_SHA256 */
1884 {0x006C,KEX_DH, ENC_AES, 16,128,128,DIG_SHA256, MODE_CBC }, /* TLS_DH_anon_WITH_AES_128_CBC_SHA256 */
1885 {0x006D,KEX_DH, ENC_AES256, 16,256,256,DIG_SHA256, MODE_CBC }, /* TLS_DH_anon_WITH_AES_256_CBC_SHA256 */
1886 {0x0084,KEX_RSA, ENC_CAMELLIA256,16,256,256,DIG_SHA, MODE_CBC }, /* TLS_RSA_WITH_CAMELLIA_256_CBC_SHA */
1887 {0x0085,KEX_DH, ENC_CAMELLIA256,16,256,256,DIG_SHA, MODE_CBC }, /* TLS_DH_DSS_WITH_CAMELLIA_256_CBC_SHA */
1888 {0x0086,KEX_DH, ENC_CAMELLIA256,16,256,256,DIG_SHA, MODE_CBC }, /* TLS_DH_RSA_WITH_CAMELLIA_256_CBC_SHA */
1889 {0x0087,KEX_DH, ENC_CAMELLIA256,16,256,256,DIG_SHA, MODE_CBC }, /* TLS_DHE_DSS_WITH_CAMELLIA_256_CBC_SHA */
1890 {0x0088,KEX_DH, ENC_CAMELLIA256,16,256,256,DIG_SHA, MODE_CBC }, /* TLS_DHE_RSA_WITH_CAMELLIA_256_CBC_SHA */
1891 {0x0089,KEX_DH, ENC_CAMELLIA256,16,256,256,DIG_SHA, MODE_CBC }, /* TLS_DH_anon_WITH_CAMELLIA_256_CBC_SHA */
1892 {0x008B,KEX_PSK, ENC_3DES, 8,192,192,DIG_SHA, MODE_CBC },
1893 {0x008C,KEX_PSK, ENC_AES, 16,128,128,DIG_SHA, MODE_CBC },
1894 {0x008D,KEX_PSK, ENC_AES256, 16,256,256,DIG_SHA, MODE_CBC },
1895 {0x0096,KEX_RSA, ENC_SEED, 16,128,128,DIG_SHA, MODE_CBC }, /* TLS_RSA_WITH_SEED_CBC_SHA */
1896 {0x0097,KEX_DH, ENC_SEED, 16,128,128,DIG_SHA, MODE_CBC }, /* TLS_DH_DSS_WITH_SEED_CBC_SHA */
1897 {0x0098,KEX_DH, ENC_SEED, 16,128,128,DIG_SHA, MODE_CBC }, /* TLS_DH_RSA_WITH_SEED_CBC_SHA */
1898 {0x0099,KEX_DH, ENC_SEED, 16,128,128,DIG_SHA, MODE_CBC }, /* TLS_DHE_DSS_WITH_SEED_CBC_SHA */
1899 {0x009A,KEX_DH, ENC_SEED, 16,128,128,DIG_SHA, MODE_CBC }, /* TLS_DHE_RSA_WITH_SEED_CBC_SHA */
1900 {0x009B,KEX_DH, ENC_SEED, 16,128,128,DIG_SHA, MODE_CBC }, /* TLS_DH_anon_WITH_SEED_CBC_SHA */
1901 {0x009C,KEX_RSA, ENC_AES, 4,128,128,DIG_SHA256, MODE_GCM }, /* TLS_RSA_WITH_AES_128_GCM_SHA256 */
1902 {0x009D,KEX_RSA, ENC_AES256, 4,256,256,DIG_SHA384, MODE_GCM }, /* TLS_RSA_WITH_AES_256_GCM_SHA384 */
1903 {0x009E,KEX_DH, ENC_AES, 4,128,128,DIG_SHA256, MODE_GCM }, /* TLS_DHE_RSA_WITH_AES_128_GCM_SHA256 */
1904 {0x009F,KEX_DH, ENC_AES256, 4,256,256,DIG_SHA384, MODE_GCM }, /* TLS_DHE_RSA_WITH_AES_256_GCM_SHA384 */
1905 {0x00A0,KEX_DH, ENC_AES, 4,128,128,DIG_SHA256, MODE_GCM }, /* TLS_DH_RSA_WITH_AES_128_GCM_SHA256 */
1906 {0x00A1,KEX_DH, ENC_AES256, 4,256,256,DIG_SHA384, MODE_GCM }, /* TLS_DH_RSA_WITH_AES_256_GCM_SHA384 */
1907 {0x00A2,KEX_DH, ENC_AES, 4,128,128,DIG_SHA256, MODE_GCM }, /* TLS_DHE_DSS_WITH_AES_128_GCM_SHA256 */
1908 {0x00A3,KEX_DH, ENC_AES256, 4,256,256,DIG_SHA384, MODE_GCM }, /* TLS_DHE_DSS_WITH_AES_256_GCM_SHA384 */
1909 {0x00A4,KEX_DH, ENC_AES, 4,128,128,DIG_SHA256, MODE_GCM }, /* TLS_DH_DSS_WITH_AES_128_GCM_SHA256 */
1910 {0x00A5,KEX_DH, ENC_AES256, 4,256,256,DIG_SHA384, MODE_GCM }, /* TLS_DH_DSS_WITH_AES_256_GCM_SHA384 */
1911 {0x00A6,KEX_DH, ENC_AES, 4,128,128,DIG_SHA256, MODE_GCM }, /* TLS_DH_anon_WITH_AES_128_GCM_SHA256 */
1912 {0x00A7,KEX_DH, ENC_AES256, 4,256,256,DIG_SHA384, MODE_GCM }, /* TLS_DH_anon_WITH_AES_256_GCM_SHA384 */
1913 {0x00BA,KEX_RSA, ENC_CAMELLIA128,16,128,128,DIG_SHA256, MODE_CBC }, /* TLS_RSA_WITH_CAMELLIA_128_CBC_SHA256 */
1914 {0x00BB,KEX_DH, ENC_CAMELLIA128,16,128,128,DIG_SHA256, MODE_CBC }, /* TLS_DH_DSS_WITH_CAMELLIA_128_CBC_SHA256 */
1915 {0x00BC,KEX_DH, ENC_CAMELLIA128,16,128,128,DIG_SHA256, MODE_CBC }, /* TLS_DH_RSA_WITH_CAMELLIA_128_CBC_SHA256 */
1916 {0x00BD,KEX_DH, ENC_CAMELLIA128,16,128,128,DIG_SHA256, MODE_CBC }, /* TLS_DHE_DSS_WITH_CAMELLIA_128_CBC_SHA256 */
1917 {0x00BE,KEX_DH, ENC_CAMELLIA128,16,128,128,DIG_SHA256, MODE_CBC }, /* TLS_DHE_RSA_WITH_CAMELLIA_128_CBC_SHA256 */
1918 {0x00BF,KEX_DH, ENC_CAMELLIA128,16,128,128,DIG_SHA256, MODE_CBC }, /* TLS_DH_anon_WITH_CAMELLIA_128_CBC_SHA256 */
1919 {0x00C0,KEX_RSA, ENC_CAMELLIA256,16,256,256,DIG_SHA256, MODE_CBC }, /* TLS_RSA_WITH_CAMELLIA_256_CBC_SHA256 */
1920 {0x00C1,KEX_DH, ENC_CAMELLIA256,16,256,256,DIG_SHA256, MODE_CBC }, /* TLS_DH_DSS_WITH_CAMELLIA_256_CBC_SHA256 */
1921 {0x00C2,KEX_DH, ENC_CAMELLIA256,16,256,256,DIG_SHA256, MODE_CBC }, /* TLS_DH_RSA_WITH_CAMELLIA_256_CBC_SHA256 */
1922 {0x00C3,KEX_DH, ENC_CAMELLIA256,16,256,256,DIG_SHA256, MODE_CBC }, /* TLS_DHE_DSS_WITH_CAMELLIA_256_CBC_SHA256 */
1923 {0x00C4,KEX_DH, ENC_CAMELLIA256,16,256,256,DIG_SHA256, MODE_CBC }, /* TLS_DHE_RSA_WITH_CAMELLIA_256_CBC_SHA256 */
1924 {0x00C5,KEX_DH, ENC_CAMELLIA256,16,256,256,DIG_SHA256, MODE_CBC }, /* TLS_DH_anon_WITH_CAMELLIA_256_CBC_SHA256 */
1925 {0xC001,KEX_DH, ENC_NULL, 1, 0, 0,DIG_SHA, MODE_STREAM}, /* TLS_ECDH_ECDSA_WITH_NULL_SHA */
1926 {0xC002,KEX_DH, ENC_RC4, 1,128,128,DIG_SHA, MODE_STREAM}, /* TLS_ECDH_ECDSA_WITH_RC4_128_SHA */
1927 {0xC003,KEX_DH, ENC_3DES, 8,192,192,DIG_SHA, MODE_CBC }, /* TLS_ECDH_ECDSA_WITH_3DES_EDE_CBC_SHA */
1928 {0xC004,KEX_DH, ENC_AES, 16,128,128,DIG_SHA, MODE_CBC }, /* TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA */
1929 {0xC005,KEX_DH, ENC_AES256, 16,256,256,DIG_SHA, MODE_CBC }, /* TLS_ECDH_ECDSA_WITH_AES_256_CBC_SHA */
1930 {0xC006,KEX_DH, ENC_NULL, 1, 0, 0,DIG_SHA, MODE_STREAM}, /* TLS_ECDHE_ECDSA_WITH_NULL_SHA */
1931 {0xC007,KEX_DH, ENC_RC4, 1,128,128,DIG_SHA, MODE_STREAM}, /* TLS_ECDHE_ECDSA_WITH_RC4_128_SHA */
1932 {0xC008,KEX_DH, ENC_3DES, 8,192,192,DIG_SHA, MODE_CBC }, /* TLS_ECDHE_ECDSA_WITH_3DES_EDE_CBC_SHA */
1933 {0xC009,KEX_DH, ENC_AES, 16,128,128,DIG_SHA, MODE_CBC }, /* TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA */
1934 {0xC00A,KEX_DH, ENC_AES256, 16,256,256,DIG_SHA, MODE_CBC }, /* TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA */
1935 {0xC00B,KEX_DH, ENC_NULL, 1, 0, 0,DIG_SHA, MODE_STREAM}, /* TLS_ECDH_RSA_WITH_NULL_SHA */
1936 {0xC00C,KEX_DH, ENC_RC4, 1,128,128,DIG_SHA, MODE_STREAM}, /* TLS_ECDH_RSA_WITH_RC4_128_SHA */
1937 {0xC00D,KEX_DH, ENC_3DES, 8,192,192,DIG_SHA, MODE_CBC }, /* TLS_ECDH_RSA_WITH_3DES_EDE_CBC_SHA */
1938 {0xC00E,KEX_DH, ENC_AES, 16,128,128,DIG_SHA, MODE_CBC }, /* TLS_ECDH_RSA_WITH_AES_128_CBC_SHA */
1939 {0xC00F,KEX_DH, ENC_AES256, 16,256,256,DIG_SHA, MODE_CBC }, /* TLS_ECDH_RSA_WITH_AES_256_CBC_SHA */
1940 {0xC010,KEX_DH, ENC_NULL, 1, 0, 0,DIG_SHA, MODE_STREAM}, /* TLS_ECDHE_RSA_WITH_NULL_SHA */
1941 {0xC011,KEX_DH, ENC_RC4, 1,128,128,DIG_SHA, MODE_STREAM}, /* TLS_ECDHE_RSA_WITH_RC4_128_SHA */
1942 {0xC012,KEX_DH, ENC_3DES, 8,192,192,DIG_SHA, MODE_CBC }, /* TLS_ECDHE_RSA_WITH_3DES_EDE_CBC_SHA */
1943 {0xC013,KEX_DH, ENC_AES, 16,128,128,DIG_SHA, MODE_CBC }, /* TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA */
1944 {0xC014,KEX_DH, ENC_AES256, 16,256,256,DIG_SHA, MODE_CBC }, /* TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA */
1945 {0xC015,KEX_DH, ENC_NULL, 1, 0, 0,DIG_SHA, MODE_STREAM}, /* TLS_ECDH_anon_WITH_NULL_SHA */
1946 {0xC016,KEX_DH, ENC_RC4, 1,128,128,DIG_SHA, MODE_STREAM}, /* TLS_ECDH_anon_WITH_RC4_128_SHA */
1947 {0xC017,KEX_DH, ENC_3DES, 8,192,192,DIG_SHA, MODE_CBC }, /* TLS_ECDH_anon_WITH_3DES_EDE_CBC_SHA */
1948 {0xC018,KEX_DH, ENC_AES, 16,128,128,DIG_SHA, MODE_CBC }, /* TLS_ECDH_anon_WITH_AES_128_CBC_SHA */
1949 {0xC019,KEX_DH, ENC_AES256, 16,256,256,DIG_SHA, MODE_CBC }, /* TLS_ECDH_anon_WITH_AES_256_CBC_SHA */
1950 {0xC023,KEX_DH, ENC_AES, 16,128,128,DIG_SHA256, MODE_CBC }, /* TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256 */
1951 {0xC024,KEX_DH, ENC_AES256, 16,256,256,DIG_SHA384, MODE_CBC }, /* TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA384 */
1952 {0xC025,KEX_DH, ENC_AES, 16,128,128,DIG_SHA256, MODE_CBC }, /* TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA256 */
1953 {0xC026,KEX_DH, ENC_AES256, 16,256,256,DIG_SHA384, MODE_CBC }, /* TLS_ECDH_ECDSA_WITH_AES_256_CBC_SHA384 */
1954 {0xC027,KEX_DH, ENC_AES, 16,128,128,DIG_SHA256, MODE_CBC }, /* TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256 */
1955 {0xC028,KEX_DH, ENC_AES256, 16,256,256,DIG_SHA384, MODE_CBC }, /* TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384 */
1956 {0xC029,KEX_DH, ENC_AES, 16,128,128,DIG_SHA256, MODE_CBC }, /* TLS_ECDH_RSA_WITH_AES_128_CBC_SHA256 */
1957 {0xC02A,KEX_DH, ENC_AES256, 16,256,256,DIG_SHA384, MODE_CBC }, /* TLS_ECDH_RSA_WITH_AES_256_CBC_SHA384 */
1958 {0xC02B,KEX_DH, ENC_AES, 4,128,128,DIG_SHA256, MODE_GCM }, /* TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256 */
1959 {0xC02C,KEX_DH, ENC_AES256, 4,256,256,DIG_SHA384, MODE_GCM }, /* TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384 */
1960 {0xC02D,KEX_DH, ENC_AES, 4,128,128,DIG_SHA256, MODE_GCM }, /* TLS_ECDH_ECDSA_WITH_AES_128_GCM_SHA256 */
1961 {0xC02E,KEX_DH, ENC_AES256, 4,256,256,DIG_SHA384, MODE_GCM }, /* TLS_ECDH_ECDSA_WITH_AES_256_GCM_SHA384 */
1962 {0xC02F,KEX_DH, ENC_AES, 4,128,128,DIG_SHA256, MODE_GCM }, /* TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256 */
1963 {0xC030,KEX_DH, ENC_AES256, 4,256,256,DIG_SHA384, MODE_GCM }, /* TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 */
1964 {0xC031,KEX_DH, ENC_AES, 4,128,128,DIG_SHA256, MODE_GCM }, /* TLS_ECDH_RSA_WITH_AES_128_GCM_SHA256 */
1965 {0xC032,KEX_DH, ENC_AES256, 4,256,256,DIG_SHA384, MODE_GCM }, /* TLS_ECDH_RSA_WITH_AES_256_GCM_SHA384 */
1966 {0xC09C,KEX_RSA, ENC_AES, 4,128,128,DIG_NA, MODE_CCM }, /* TLS_RSA_WITH_AES_128_CCM */
1967 {0xC09D,KEX_RSA, ENC_AES256, 4,256,256,DIG_NA, MODE_CCM }, /* TLS_RSA_WITH_AES_256_CCM */
1968 {0xC09E,KEX_DH, ENC_AES, 4,128,128,DIG_NA, MODE_CCM }, /* TLS_DHE_RSA_WITH_AES_128_CCM */
1969 {0xC09F,KEX_DH, ENC_AES256, 4,256,256,DIG_NA, MODE_CCM }, /* TLS_DHE_RSA_WITH_AES_256_CCM */
1970 {0xC0A0,KEX_RSA, ENC_AES, 4,128,128,DIG_NA, MODE_CCM_8 }, /* TLS_RSA_WITH_AES_128_CCM_8 */
1971 {0xC0A1,KEX_RSA, ENC_AES256, 4,256,256,DIG_NA, MODE_CCM_8 }, /* TLS_RSA_WITH_AES_256_CCM_8 */
1972 {0xC0A2,KEX_DH, ENC_AES, 4,128,128,DIG_NA, MODE_CCM_8 }, /* TLS_DHE_RSA_WITH_AES_128_CCM_8 */
1973 {0xC0A3,KEX_DH, ENC_AES256, 4,256,256,DIG_NA, MODE_CCM_8 }, /* TLS_DHE_RSA_WITH_AES_256_CCM_8 */
1974 {0xC0A4,KEX_PSK, ENC_AES, 4,128,128,DIG_NA, MODE_CCM }, /* TLS_PSK_WITH_AES_128_CCM */
1975 {0xC0A5,KEX_PSK, ENC_AES256, 4,256,256,DIG_NA, MODE_CCM }, /* TLS_PSK_WITH_AES_256_CCM */
1976 {0xC0A8,KEX_PSK, ENC_AES, 4,128,128,DIG_NA, MODE_CCM_8 }, /* TLS_PSK_WITH_AES_128_CCM_8 */
1977 {0xC0A9,KEX_PSK, ENC_AES256, 4,256,256,DIG_NA, MODE_CCM_8 }, /* TLS_PSK_WITH_AES_256_CCM_8 */
1978 {-1, 0, 0, 0, 0, 0,0, MODE_STREAM}
1981 #define MAX_BLOCK_SIZE 16
1982 #define MAX_KEY_SIZE 32
1985 ssl_find_cipher(int num,SslCipherSuite* cs)
1989 for(c=cipher_suites;c->number!=-1;c++){
2000 tls_hash(StringInfo* secret, StringInfo* seed, gint md, StringInfo* out)
2006 guint8 _A[DIGEST_MAX_SIZE],tmp[DIGEST_MAX_SIZE];
2010 left = out->data_len;
2013 ssl_print_string("tls_hash: hash secret", secret);
2014 ssl_print_string("tls_hash: hash seed", seed);
2019 ssl_hmac_init(&hm,secret->data,secret->data_len,md);
2020 ssl_hmac_update(&hm,A,A_l);
2022 ssl_hmac_final(&hm,_A,&A_l);
2023 ssl_hmac_cleanup(&hm);
2026 ssl_hmac_init(&hm,secret->data,secret->data_len,md);
2027 ssl_hmac_update(&hm,A,A_l);
2028 ssl_hmac_update(&hm,seed->data,seed->data_len);
2029 tmp_l = sizeof(tmp);
2030 ssl_hmac_final(&hm,tmp,&tmp_l);
2031 ssl_hmac_cleanup(&hm);
2033 tocpy=MIN(left,tmp_l);
2034 memcpy(ptr,tmp,tocpy);
2039 ssl_print_string("hash out", out);
2044 tls_prf(StringInfo* secret, const gchar *usage,
2045 StringInfo* rnd1, StringInfo* rnd2, StringInfo* out)
2047 StringInfo seed, sha_out, md5_out;
2053 usage_len = strlen(usage);
2055 /* initalize buffer for sha, md5 random seed*/
2056 if (ssl_data_alloc(&sha_out, MAX(out->data_len,20)) < 0) {
2057 ssl_debug_printf("tls_prf: can't allocate sha out\n");
2060 if (ssl_data_alloc(&md5_out, MAX(out->data_len,16)) < 0) {
2061 ssl_debug_printf("tls_prf: can't allocate md5 out\n");
2064 if (ssl_data_alloc(&seed, usage_len+rnd1->data_len+rnd2->data_len) < 0) {
2065 ssl_debug_printf("tls_prf: can't allocate rnd %d\n",
2066 (int) (usage_len+rnd1->data_len+rnd2->data_len));
2071 memcpy(ptr,usage,usage_len);
2073 memcpy(ptr,rnd1->data,rnd1->data_len);
2074 ptr+=rnd1->data_len;
2075 memcpy(ptr,rnd2->data,rnd2->data_len);
2076 /*ptr+=rnd2->data_len;*/
2078 /* initalize buffer for client/server seeds*/
2079 s_l=secret->data_len/2 + secret->data_len%2;
2080 if (ssl_data_alloc(&s1, s_l) < 0) {
2081 ssl_debug_printf("tls_prf: can't allocate secret %d\n", s_l);
2084 if (ssl_data_alloc(&s2, s_l) < 0) {
2085 ssl_debug_printf("tls_prf: can't allocate secret(2) %d\n", s_l);
2089 memcpy(s1.data,secret->data,s_l);
2090 memcpy(s2.data,secret->data + (secret->data_len - s_l),s_l);
2092 ssl_debug_printf("tls_prf: tls_hash(md5 secret_len %d seed_len %d )\n", s1.data_len, seed.data_len);
2093 if(tls_hash(&s1,&seed,ssl_get_digest_by_name("MD5"),&md5_out) != 0)
2095 ssl_debug_printf("tls_prf: tls_hash(sha)\n");
2096 if(tls_hash(&s2,&seed,ssl_get_digest_by_name("SHA1"),&sha_out) != 0)
2099 for(i=0;i<out->data_len;i++)
2100 out->data[i]=md5_out.data[i] ^ sha_out.data[i];
2103 ssl_print_string("PRF out",out);
2111 g_free(md5_out.data);
2113 g_free(sha_out.data);
2118 tls12_prf(gint md, StringInfo* secret, const gchar* usage, StringInfo* rnd1, StringInfo* rnd2, StringInfo* out)
2120 StringInfo label_seed;
2123 usage_len = strlen(usage);
2124 if (ssl_data_alloc(&label_seed, usage_len+rnd1->data_len+rnd2->data_len) < 0) {
2125 ssl_debug_printf("tls12_prf: can't allocate label_seed\n");
2128 memcpy(label_seed.data, usage, usage_len);
2129 memcpy(label_seed.data+usage_len, rnd1->data, rnd1->data_len);
2130 memcpy(label_seed.data+usage_len+rnd1->data_len, rnd2->data, rnd2->data_len);
2132 ssl_debug_printf("tls12_prf: tls_hash(hash_alg %s secret_len %d seed_len %d )\n", gcry_md_algo_name(md), secret->data_len, label_seed.data_len);
2133 if (tls_hash(secret, &label_seed, md, out) != 0){
2134 g_free(label_seed.data);
2137 ssl_print_string("PRF out", out);
2142 ssl3_generate_export_iv(StringInfo* r1,
2143 StringInfo* r2, StringInfo* out)
2149 ssl_md5_update(&md5,r1->data,r1->data_len);
2150 ssl_md5_update(&md5,r2->data,r2->data_len);
2151 ssl_md5_final(tmp,&md5);
2152 ssl_md5_cleanup(&md5);
2154 memcpy(out->data,tmp,out->data_len);
2155 ssl_print_string("export iv", out);
2161 ssl3_prf(StringInfo* secret, const gchar* usage,
2163 StringInfo* r2,StringInfo* out)
2167 StringInfo *rnd1,*rnd2;
2174 for(off=0;off<out->data_len;off+=16){
2179 ssl_debug_printf("ssl3_prf: sha1_hash(%d)\n",i);
2180 /* A, BB, CCC, ... */
2186 ssl_sha_update(&sha,buf,i);
2187 ssl_sha_update(&sha,secret->data,secret->data_len);
2189 if(!strcmp(usage,"client write key") || !strcmp(usage,"server write key")){
2190 ssl_sha_update(&sha,rnd2->data,rnd2->data_len);
2191 ssl_sha_update(&sha,rnd1->data,rnd1->data_len);
2194 ssl_sha_update(&sha,rnd1->data,rnd1->data_len);
2195 ssl_sha_update(&sha,rnd2->data,rnd2->data_len);
2198 ssl_sha_final(buf,&sha);
2199 ssl_sha_cleanup(&sha);
2201 ssl_debug_printf("ssl3_prf: md5_hash(%d) datalen %d\n",i,
2204 ssl_md5_update(&md5,secret->data,secret->data_len);
2205 ssl_md5_update(&md5,buf,20);
2206 ssl_md5_final(outbuf,&md5);
2207 ssl_md5_cleanup(&md5);
2209 tocpy=MIN(out->data_len-off,16);
2210 memcpy(out->data+off,outbuf,tocpy);
2216 static gint prf(SslDecryptSession* ssl,StringInfo* secret,const gchar* usage,StringInfo* rnd1,StringInfo* rnd2,StringInfo* out)
2219 if (ssl->version_netorder==SSLV3_VERSION){
2220 ret = ssl3_prf(secret,usage,rnd1,rnd2,out);
2221 }else if (ssl->version_netorder==TLSV1_VERSION || ssl->version_netorder==TLSV1DOT1_VERSION ||
2222 ssl->version_netorder==DTLSV1DOT0_VERSION || ssl->version_netorder==DTLSV1DOT0_VERSION_NOT){
2223 ret = tls_prf(secret,usage,rnd1,rnd2,out);
2225 if (ssl->cipher_suite.dig == DIG_SHA384){
2226 ret = tls12_prf(GCRY_MD_SHA384, secret, usage, rnd1, rnd2, out);
2228 ret = tls12_prf(GCRY_MD_SHA256, secret, usage, rnd1, rnd2, out);
2235 ssl_create_flow(void)
2239 flow = (SslFlow *)wmem_alloc(wmem_file_scope(), sizeof(SslFlow));
2242 flow->multisegment_pdus = wmem_tree_new(wmem_file_scope());
2247 /* memory allocation functions for zlib initialization */
2248 static void* ssl_zalloc(void* opaque _U_, unsigned int no, unsigned int size)
2250 return g_malloc0(no*size);
2252 static void ssl_zfree(void* opaque _U_, void* addr)
2258 static SslDecompress*
2259 ssl_create_decompressor(gint compression)
2261 SslDecompress *decomp;
2266 if (compression == 0) return NULL;
2267 ssl_debug_printf("ssl_create_decompressor: compression method %d\n", compression);
2268 decomp = (SslDecompress *)wmem_alloc(wmem_file_scope(), sizeof(SslDecompress));
2269 decomp->compression = compression;
2270 switch (decomp->compression) {
2272 case 1: /* DEFLATE */
2273 decomp->istream.zalloc = ssl_zalloc;
2274 decomp->istream.zfree = ssl_zfree;
2275 decomp->istream.opaque = Z_NULL;
2276 decomp->istream.next_in = Z_NULL;
2277 decomp->istream.next_out = Z_NULL;
2278 decomp->istream.avail_in = 0;
2279 decomp->istream.avail_out = 0;
2280 err = inflateInit_(&decomp->istream, ZLIB_VERSION, sizeof(z_stream));
2282 ssl_debug_printf("ssl_create_decompressor: inflateInit_() failed - %d\n", err);
2288 ssl_debug_printf("ssl_create_decompressor: unsupported compression method %d\n", decomp->compression);
2295 ssl_create_decoder(SslCipherSuite *cipher_suite, gint compression,
2296 guint8 *mk, guint8 *sk, guint8 *iv)
2301 dec = (SslDecoder *)wmem_alloc0(wmem_file_scope(), sizeof(SslDecoder));
2302 /* Find the SSLeay cipher */
2303 if(cipher_suite->enc!=ENC_NULL) {
2304 ssl_debug_printf("ssl_create_decoder CIPHER: %s\n", ciphers[cipher_suite->enc-0x30]);
2305 ciph=ssl_get_cipher_by_name(ciphers[cipher_suite->enc-0x30]);
2307 ssl_debug_printf("ssl_create_decoder CIPHER: %s\n", "NULL");
2311 ssl_debug_printf("ssl_create_decoder can't find cipher %s\n",
2312 ciphers[cipher_suite->enc > ENC_NULL ? ENC_NULL-0x30 : (cipher_suite->enc-0x30)]);
2316 /* init mac buffer: mac storage is embedded into decoder struct to save a
2317 memory allocation and waste samo more memory*/
2318 dec->cipher_suite=cipher_suite;
2319 dec->compression = compression;
2320 /* AEED ciphers don't have a MAC but need to keep the write IV instead */
2322 dec->write_iv.data = dec->_mac_key_or_write_iv;
2323 ssl_data_set(&dec->write_iv, iv, cipher_suite->block);
2325 dec->mac_key.data = dec->_mac_key_or_write_iv;
2326 ssl_data_set(&dec->mac_key, mk, ssl_cipher_suite_dig(cipher_suite)->len);
2329 dec->decomp = ssl_create_decompressor(compression);
2330 dec->flow = ssl_create_flow();
2333 ssl_cipher_cleanup(&dec->evp);
2335 if (ssl_cipher_init(&dec->evp,ciph,sk,iv,cipher_suite->mode) < 0) {
2336 ssl_debug_printf("ssl_create_decoder: can't create cipher id:%d mode:%d\n",
2337 ciph, cipher_suite->mode);
2341 ssl_debug_printf("decoder initialized (digest len %d)\n", ssl_cipher_suite_dig(cipher_suite)->len);
2347 ssl_generate_pre_master_secret(SslDecryptSession *ssl_session,
2348 guint32 length, tvbuff_t *tvb, guint32 offset,
2349 const gchar *ssl_psk, const gchar *keylog_filename)
2351 /* check for required session data */
2352 ssl_debug_printf("ssl_generate_pre_master_secret: found SSL_HND_CLIENT_KEY_EXCHG, state %X\n",
2353 ssl_session->state);
2354 if ((ssl_session->state & (SSL_CIPHER|SSL_CLIENT_RANDOM|SSL_SERVER_RANDOM|SSL_VERSION)) !=
2355 (SSL_CIPHER|SSL_CLIENT_RANDOM|SSL_SERVER_RANDOM|SSL_VERSION)) {
2356 ssl_debug_printf("ssl_generate_pre_master_secret: not enough data to generate key (required state %X)\n",
2357 (SSL_CIPHER|SSL_CLIENT_RANDOM|SSL_SERVER_RANDOM|SSL_VERSION));
2361 if (ssl_session->cipher_suite.kex == KEX_PSK)
2363 /* calculate pre master secret*/
2364 StringInfo pre_master_secret;
2365 guint psk_len, pre_master_len;
2367 if (!ssl_psk || (ssl_psk[0] == 0)) {
2368 ssl_debug_printf("ssl_generate_pre_master_secret: can't find pre-shared-key\n");
2372 /* convert hex string into char*/
2373 if (!from_hex(&ssl_session->psk, ssl_psk, strlen(ssl_psk))) {
2374 ssl_debug_printf("ssl_generate_pre_master_secret: ssl.psk/dtls.psk contains invalid hex\n");
2378 psk_len = ssl_session->psk.data_len;
2379 if (psk_len >= (2 << 15)) {
2380 ssl_debug_printf("ssl_generate_pre_master_secret: ssl.psk/dtls.psk must not be larger than 2^15 - 1\n");
2385 pre_master_len = psk_len * 2 + 4;
2387 pre_master_secret.data = (guchar *)wmem_alloc(wmem_file_scope(), pre_master_len);
2388 pre_master_secret.data_len = pre_master_len;
2389 /* 2 bytes psk_len*/
2390 pre_master_secret.data[0] = psk_len >> 8;
2391 pre_master_secret.data[1] = psk_len & 0xFF;
2392 /* psk_len bytes times 0*/
2393 memset(&pre_master_secret.data[2], 0, psk_len);
2394 /* 2 bytes psk_len*/
2395 pre_master_secret.data[psk_len + 2] = psk_len >> 8;
2396 pre_master_secret.data[psk_len + 3] = psk_len & 0xFF;
2398 memcpy(&pre_master_secret.data[psk_len + 4], ssl_session->psk.data, psk_len);
2400 ssl_session->pre_master_secret.data = pre_master_secret.data;
2401 ssl_session->pre_master_secret.data_len = pre_master_len;
2402 /*ssl_debug_printf("pre master secret",&ssl->pre_master_secret);*/
2404 /* Remove the master secret if it was there.
2405 This forces keying material regeneration in
2406 case we're renegotiating */
2407 ssl_session->state &= ~(SSL_MASTER_SECRET|SSL_HAVE_SESSION_KEY);
2408 ssl_session->state |= SSL_PRE_MASTER_SECRET;
2413 StringInfo encrypted_pre_master;
2415 guint encrlen, skip;
2419 /* get encrypted data, on tls1 we have to skip two bytes
2420 * (it's the encrypted len and should be equal to record len - 2)
2421 * in case of rsa1024 that would be 128 + 2 = 130; for psk not necessary
2423 if (ssl_session->cipher_suite.kex == KEX_RSA &&
2424 (ssl_session->version == SSL_VER_TLS || ssl_session->version == SSL_VER_TLSv1DOT1 ||
2425 ssl_session->version == SSL_VER_TLSv1DOT2 || ssl_session->version == SSL_VER_DTLS ||
2426 ssl_session->version == SSL_VER_DTLS1DOT2))
2428 encrlen = tvb_get_ntohs(tvb, offset);
2430 if (encrlen > length - 2)
2432 ssl_debug_printf("ssl_generate_pre_master_secret: wrong encrypted length (%d max %d)\n",
2437 encrypted_pre_master.data = (guchar *)wmem_alloc(wmem_file_scope(), encrlen);
2438 encrypted_pre_master.data_len = encrlen;
2439 tvb_memcpy(tvb, encrypted_pre_master.data, offset+skip, encrlen);
2441 if (ssl_session->private_key) {
2442 /* go with ssl key processessing; encrypted_pre_master
2443 * will be used for master secret store*/
2444 ret = ssl_decrypt_pre_master_secret(ssl_session, &encrypted_pre_master, ssl_session->private_key);
2446 ssl_debug_printf("ssl_generate_pre_master_secret: can't decrypt pre master secret\n");
2450 } else if (keylog_filename != NULL) {
2451 /* try to find the key in the key log */
2452 if (ssl_keylog_lookup(ssl_session, keylog_filename, &encrypted_pre_master) < 0) {
2462 ssl_generate_keyring_material(SslDecryptSession*ssl_session)
2464 StringInfo key_block;
2465 guint8 _iv_c[MAX_BLOCK_SIZE],_iv_s[MAX_BLOCK_SIZE];
2466 guint8 _key_c[MAX_KEY_SIZE],_key_s[MAX_KEY_SIZE];
2468 guint8 *ptr,*c_wk,*s_wk,*c_mk,*s_mk,*c_iv = _iv_c,*s_iv = _iv_s;
2470 /* check for enough info to proced */
2471 guint need_all = SSL_CIPHER|SSL_CLIENT_RANDOM|SSL_SERVER_RANDOM|SSL_VERSION;
2472 guint need_any = SSL_MASTER_SECRET | SSL_PRE_MASTER_SECRET;
2473 if (((ssl_session->state & need_all) != need_all) || ((ssl_session->state & need_any) == 0)) {
2474 ssl_debug_printf("ssl_generate_keyring_material not enough data to generate key "
2475 "(0x%02X required 0x%02X or 0x%02X)\n", ssl_session->state,
2476 need_all|SSL_MASTER_SECRET, need_all|SSL_PRE_MASTER_SECRET);
2480 /* if master_key is not yet generate, create it now*/
2481 if (!(ssl_session->state & SSL_MASTER_SECRET)) {
2482 ssl_debug_printf("ssl_generate_keyring_material:PRF(pre_master_secret)\n");
2483 ssl_print_string("pre master secret",&ssl_session->pre_master_secret);
2484 ssl_print_string("client random",&ssl_session->client_random);
2485 ssl_print_string("server random",&ssl_session->server_random);
2486 if (prf(ssl_session,&ssl_session->pre_master_secret,"master secret",
2487 &ssl_session->client_random,
2488 &ssl_session->server_random, &ssl_session->master_secret)) {
2489 ssl_debug_printf("ssl_generate_keyring_material can't generate master_secret\n");
2492 ssl_print_string("master secret",&ssl_session->master_secret);
2494 /* the pre-master secret has been 'consumend' so we must clear it now */
2495 ssl_session->state &= ~SSL_PRE_MASTER_SECRET;
2496 ssl_session->state |= SSL_MASTER_SECRET;
2499 /* Compute the key block. First figure out how much data we need*/
2500 needed=ssl_cipher_suite_dig(&ssl_session->cipher_suite)->len*2;
2501 needed+=ssl_session->cipher_suite.bits / 4;
2502 if(ssl_session->cipher_suite.block>1)
2503 needed+=ssl_session->cipher_suite.block*2;
2505 key_block.data_len = needed;
2506 key_block.data = (guchar *)g_malloc(needed);
2507 ssl_debug_printf("ssl_generate_keyring_material sess key generation\n");
2508 if (prf(ssl_session,&ssl_session->master_secret,"key expansion",
2509 &ssl_session->server_random,&ssl_session->client_random,
2511 ssl_debug_printf("ssl_generate_keyring_material can't generate key_block\n");
2514 ssl_print_string("key expansion", &key_block);
2517 /* AEAD ciphers do not have a separate MAC */
2518 if (ssl_session->cipher_suite.mode == MODE_GCM ||
2519 ssl_session->cipher_suite.mode == MODE_CCM ||
2520 ssl_session->cipher_suite.mode == MODE_CCM_8) {
2523 c_mk=ptr; ptr+=ssl_cipher_suite_dig(&ssl_session->cipher_suite)->len;
2524 s_mk=ptr; ptr+=ssl_cipher_suite_dig(&ssl_session->cipher_suite)->len;
2527 c_wk=ptr; ptr+=ssl_session->cipher_suite.eff_bits/8;
2528 s_wk=ptr; ptr+=ssl_session->cipher_suite.eff_bits/8;
2530 if(ssl_session->cipher_suite.block>1){
2531 c_iv=ptr; ptr+=ssl_session->cipher_suite.block;
2532 s_iv=ptr; /*ptr+=ssl_session->cipher_suite.block;*/
2535 /* export ciphers work with a smaller key length */
2536 if (ssl_session->cipher_suite.eff_bits < ssl_session->cipher_suite.bits) {
2537 StringInfo iv_c,iv_s;
2538 StringInfo key_c,key_s;
2541 if(ssl_session->cipher_suite.block>1){
2543 /* We only have room for MAX_BLOCK_SIZE bytes IVs, but that's
2544 all we should need. This is a sanity check */
2545 if(ssl_session->cipher_suite.block>MAX_BLOCK_SIZE) {
2546 ssl_debug_printf("ssl_generate_keyring_material cipher suite block must be at most %d nut is %d\n",
2547 MAX_BLOCK_SIZE, ssl_session->cipher_suite.block);
2552 iv_c.data_len = ssl_session->cipher_suite.block;
2554 iv_s.data_len = ssl_session->cipher_suite.block;
2556 if(ssl_session->version_netorder==SSLV3_VERSION){
2557 ssl_debug_printf("ssl_generate_keyring_material ssl3_generate_export_iv\n");
2558 if (ssl3_generate_export_iv(&ssl_session->client_random,
2559 &ssl_session->server_random,&iv_c)) {
2560 ssl_debug_printf("ssl_generate_keyring_material can't generate sslv3 client iv\n");
2563 ssl_debug_printf("ssl_generate_keyring_material ssl3_generate_export_iv(2)\n");
2564 if (ssl3_generate_export_iv(&ssl_session->server_random,
2565 &ssl_session->client_random,&iv_s)) {
2566 ssl_debug_printf("ssl_generate_keyring_material can't generate sslv3 server iv\n");
2571 guint8 _iv_block[MAX_BLOCK_SIZE * 2];
2572 StringInfo iv_block;
2573 StringInfo key_null;
2576 key_null.data = &_key_null;
2577 key_null.data_len = 0;
2579 iv_block.data = _iv_block;
2580 iv_block.data_len = ssl_session->cipher_suite.block*2;
2582 ssl_debug_printf("ssl_generate_keyring_material prf(iv_block)\n");
2583 if(prf(ssl_session,&key_null, "IV block",
2584 &ssl_session->client_random,
2585 &ssl_session->server_random,&iv_block)) {
2586 ssl_debug_printf("ssl_generate_keyring_material can't generate tls31 iv block\n");
2590 memcpy(_iv_c,iv_block.data,ssl_session->cipher_suite.block);
2591 memcpy(_iv_s,iv_block.data+ssl_session->cipher_suite.block,
2592 ssl_session->cipher_suite.block);
2599 if (ssl_session->version_netorder==SSLV3_VERSION){
2602 ssl_debug_printf("ssl_generate_keyring_material MD5(client_random)\n");
2605 ssl_md5_update(&md5,c_wk,ssl_session->cipher_suite.eff_bits/8);
2606 ssl_md5_update(&md5,ssl_session->client_random.data,
2607 ssl_session->client_random.data_len);
2608 ssl_md5_update(&md5,ssl_session->server_random.data,
2609 ssl_session->server_random.data_len);
2610 ssl_md5_final(_key_c,&md5);
2611 ssl_md5_cleanup(&md5);
2615 ssl_debug_printf("ssl_generate_keyring_material MD5(server_random)\n");
2616 ssl_md5_update(&md5,s_wk,ssl_session->cipher_suite.eff_bits/8);
2617 ssl_md5_update(&md5,ssl_session->server_random.data,
2618 ssl_session->server_random.data_len);
2619 ssl_md5_update(&md5,ssl_session->client_random.data,
2620 ssl_session->client_random.data_len);
2621 ssl_md5_final(_key_s,&md5);
2622 ssl_md5_cleanup(&md5);
2626 key_c.data = _key_c;
2627 key_c.data_len = sizeof(_key_c);
2628 key_s.data = _key_s;
2629 key_s.data_len = sizeof(_key_s);
2632 k.data_len = ssl_session->cipher_suite.eff_bits/8;
2633 ssl_debug_printf("ssl_generate_keyring_material PRF(key_c)\n");
2634 if (prf(ssl_session,&k,"client write key",
2635 &ssl_session->client_random,
2636 &ssl_session->server_random, &key_c)) {
2637 ssl_debug_printf("ssl_generate_keyring_material can't generate tll31 server key \n");
2643 k.data_len = ssl_session->cipher_suite.eff_bits/8;
2644 ssl_debug_printf("ssl_generate_keyring_material PRF(key_s)\n");
2645 if(prf(ssl_session,&k,"server write key",
2646 &ssl_session->client_random,
2647 &ssl_session->server_random, &key_s)) {
2648 ssl_debug_printf("ssl_generate_keyring_material can't generate tll31 client key \n");
2655 /* show key material info */
2657 ssl_print_data("Client MAC key",c_mk,ssl_cipher_suite_dig(&ssl_session->cipher_suite)->len);
2658 ssl_print_data("Server MAC key",s_mk,ssl_cipher_suite_dig(&ssl_session->cipher_suite)->len);
2660 ssl_print_data("Client Write key",c_wk,ssl_session->cipher_suite.bits/8);
2661 ssl_print_data("Server Write key",s_wk,ssl_session->cipher_suite.bits/8);
2663 if(ssl_session->cipher_suite.block>1) {
2664 ssl_print_data("Client Write IV",c_iv,ssl_session->cipher_suite.block);
2665 ssl_print_data("Server Write IV",s_iv,ssl_session->cipher_suite.block);
2668 ssl_print_data("Client Write IV",c_iv,8);
2669 ssl_print_data("Server Write IV",s_iv,8);
2672 /* create both client and server ciphers*/
2673 ssl_debug_printf("ssl_generate_keyring_material ssl_create_decoder(client)\n");
2674 ssl_session->client_new = ssl_create_decoder(&ssl_session->cipher_suite, ssl_session->compression, c_mk, c_wk, c_iv);
2675 if (!ssl_session->client_new) {
2676 ssl_debug_printf("ssl_generate_keyring_material can't init client decoder\n");
2679 ssl_debug_printf("ssl_generate_keyring_material ssl_create_decoder(server)\n");
2680 ssl_session->server_new = ssl_create_decoder(&ssl_session->cipher_suite, ssl_session->compression, s_mk, s_wk, s_iv);
2681 if (!ssl_session->server_new) {
2682 ssl_debug_printf("ssl_generate_keyring_material can't init client decoder\n");
2686 ssl_debug_printf("ssl_generate_keyring_material: client seq %d, server seq %d\n",
2687 ssl_session->client_new->seq, ssl_session->server_new->seq);
2688 g_free(key_block.data);
2689 ssl_session->state |= SSL_HAVE_SESSION_KEY;
2693 g_free(key_block.data);
2698 ssl_change_cipher(SslDecryptSession *ssl_session, gboolean server)
2700 ssl_debug_printf("ssl_change_cipher %s\n", (server)?"SERVER":"CLIENT");
2702 ssl_session->server = ssl_session->server_new;
2703 ssl_session->server_new = NULL;
2705 ssl_session->client = ssl_session->client_new;
2706 ssl_session->client_new = NULL;
2711 ssl_decrypt_pre_master_secret(SslDecryptSession*ssl_session,
2712 StringInfo* encrypted_pre_master, SSL_PRIVATE_KEY *pk)
2716 if (!encrypted_pre_master)
2719 if(ssl_session->cipher_suite.kex == KEX_DH) {
2720 ssl_debug_printf("ssl_decrypt_pre_master_secret session uses DH (%d) key exchange, which is impossible to decrypt\n",
2723 } else if(ssl_session->cipher_suite.kex != KEX_RSA) {
2724 ssl_debug_printf("ssl_decrypt_pre_master_secret key exchange %d different from KEX_RSA (%d)\n",
2725 ssl_session->cipher_suite.kex, KEX_RSA);
2729 /* with tls key loading will fail if not rsa type, so no need to check*/
2730 ssl_print_string("pre master encrypted",encrypted_pre_master);
2731 ssl_debug_printf("ssl_decrypt_pre_master_secret:RSA_private_decrypt\n");
2732 i=ssl_private_decrypt(encrypted_pre_master->data_len,
2733 encrypted_pre_master->data, pk);
2736 ssl_debug_printf("ssl_decrypt_pre_master_secret wrong "
2737 "pre_master_secret length (%d, expected %d)\n", i, 48);
2741 /* the decrypted data has been written into the pre_master key buffer */
2742 ssl_session->pre_master_secret.data = encrypted_pre_master->data;
2743 ssl_session->pre_master_secret.data_len=48;
2744 ssl_print_string("pre master secret",&ssl_session->pre_master_secret);
2746 /* Remove the master secret if it was there.
2747 This forces keying material regeneration in
2748 case we're renegotiating */
2749 ssl_session->state &= ~(SSL_MASTER_SECRET|SSL_HAVE_SESSION_KEY);
2750 ssl_session->state |= SSL_PRE_MASTER_SECRET;
2754 /* convert network byte order 32 byte number to right-aligned host byte order *
2756 static gint fmt_seq(guint32 num, guint8* buf)
2761 netnum=g_htonl(num);
2762 memcpy(buf+4,&netnum,4);
2768 tls_check_mac(SslDecoder*decoder, gint ct, gint ver, guint8* data,
2769 guint32 datalen, guint8* mac)
2774 guint8 buf[DIGEST_MAX_SIZE];
2777 md=ssl_get_digest_by_name(ssl_cipher_suite_dig(decoder->cipher_suite)->name);
2778 ssl_debug_printf("tls_check_mac mac type:%s md %d\n",
2779 ssl_cipher_suite_dig(decoder->cipher_suite)->name, md);
2781 if (ssl_hmac_init(&hm,decoder->mac_key.data,decoder->mac_key.data_len,md) != 0)
2784 /* hash sequence number */
2785 fmt_seq(decoder->seq,buf);
2789 ssl_hmac_update(&hm,buf,8);
2791 /* hash content type */
2793 ssl_hmac_update(&hm,buf,1);
2795 /* hash version,data length and data*/
2796 /* *((gint16*)buf) = g_htons(ver); */
2797 temp = g_htons(ver);
2798 memcpy(buf, &temp, 2);
2799 ssl_hmac_update(&hm,buf,2);
2801 /* *((gint16*)buf) = g_htons(datalen); */
2802 temp = g_htons(datalen);
2803 memcpy(buf, &temp, 2);
2804 ssl_hmac_update(&hm,buf,2);
2805 ssl_hmac_update(&hm,data,datalen);
2807 /* get digest and digest len*/
2809 ssl_hmac_final(&hm,buf,&len);
2810 ssl_hmac_cleanup(&hm);
2811 ssl_print_data("Mac", buf, len);
2812 if(memcmp(mac,buf,len))
2819 ssl3_check_mac(SslDecoder*decoder,int ct,guint8* data,
2820 guint32 datalen, guint8* mac)
2825 guint8 buf[64],dgst[20];
2829 pad_ct=(decoder->cipher_suite->dig==DIG_SHA)?40:48;
2831 /* get cipher used for digest comptuation */
2832 md=ssl_get_digest_by_name(ssl_cipher_suite_dig(decoder->cipher_suite)->name);
2833 if (ssl_md_init(&mc,md) !=0)
2836 /* do hash computation on data && padding */
2837 ssl_md_update(&mc,decoder->mac_key.data,decoder->mac_key.data_len);
2840 memset(buf,0x36,pad_ct);
2841 ssl_md_update(&mc,buf,pad_ct);
2843 /* hash sequence number */
2844 fmt_seq(decoder->seq,buf);
2846 ssl_md_update(&mc,buf,8);
2848 /* hash content type */
2850 ssl_md_update(&mc,buf,1);
2852 /* hash data length in network byte order and data*/
2853 /* *((gint16* )buf) = g_htons(datalen); */
2854 temp = g_htons(datalen);
2855 memcpy(buf, &temp, 2);
2856 ssl_md_update(&mc,buf,2);
2857 ssl_md_update(&mc,data,datalen);
2859 /* get partial digest */
2860 ssl_md_final(&mc,dgst,&len);
2861 ssl_md_cleanup(&mc);
2863 ssl_md_init(&mc,md);
2866 ssl_md_update(&mc,decoder->mac_key.data,decoder->mac_key.data_len);
2868 /* hash padding and partial digest*/
2869 memset(buf,0x5c,pad_ct);
2870 ssl_md_update(&mc,buf,pad_ct);
2871 ssl_md_update(&mc,dgst,len);
2873 ssl_md_final(&mc,dgst,&len);
2874 ssl_md_cleanup(&mc);
2876 if(memcmp(mac,dgst,len))
2883 dtls_check_mac(SslDecoder*decoder, gint ct,int ver, guint8* data,
2884 guint32 datalen, guint8* mac)
2889 guint8 buf[DIGEST_MAX_SIZE];
2892 md=ssl_get_digest_by_name(ssl_cipher_suite_dig(decoder->cipher_suite)->name);
2893 ssl_debug_printf("dtls_check_mac mac type:%s md %d\n",
2894 ssl_cipher_suite_dig(decoder->cipher_suite)->name, md);
2896 if (ssl_hmac_init(&hm,decoder->mac_key.data,decoder->mac_key.data_len,md) != 0)
2898 ssl_debug_printf("dtls_check_mac seq: %d epoch: %d\n",decoder->seq,decoder->epoch);
2899 /* hash sequence number */
2900 fmt_seq(decoder->seq,buf);
2901 buf[0]=decoder->epoch>>8;
2902 buf[1]=(guint8)decoder->epoch;
2904 ssl_hmac_update(&hm,buf,8);
2906 /* hash content type */
2908 ssl_hmac_update(&hm,buf,1);
2910 /* hash version,data length and data */
2911 temp = g_htons(ver);
2912 memcpy(buf, &temp, 2);
2913 ssl_hmac_update(&hm,buf,2);
2915 temp = g_htons(datalen);
2916 memcpy(buf, &temp, 2);
2917 ssl_hmac_update(&hm,buf,2);
2918 ssl_hmac_update(&hm,data,datalen);
2919 /* get digest and digest len */
2921 ssl_hmac_final(&hm,buf,&len);
2922 ssl_hmac_cleanup(&hm);
2923 ssl_print_data("Mac", buf, len);
2924 if(memcmp(mac,buf,len))
2932 ssl_decompress_record(SslDecompress* decomp, const guchar* in, guint inl, StringInfo* out_str, guint* outl)
2936 switch (decomp->compression) {
2937 case 1: /* DEFLATE */
2939 if (out_str->data_len < 16384) { /* maximal plain length */
2940 ssl_data_realloc(out_str, 16384);
2942 decomp->istream.next_in = (guchar*)in;
2943 decomp->istream.avail_in = inl;
2944 decomp->istream.next_out = out_str->data;
2945 decomp->istream.avail_out = out_str->data_len;
2947 err = inflate(&decomp->istream, Z_SYNC_FLUSH);
2949 ssl_debug_printf("ssl_decompress_record: inflate() failed - %d\n", err);
2952 *outl = out_str->data_len - decomp->istream.avail_out;
2955 ssl_debug_printf("ssl_decompress_record: unsupported compression method %d\n", decomp->compression);
2962 ssl_decompress_record(SslDecompress* decomp _U_, const guchar* in _U_, guint inl _U_, StringInfo* out_str _U_, guint* outl _U_)
2964 ssl_debug_printf("ssl_decompress_record: unsupported compression method %d\n", decomp->compression);
2970 ssl_decrypt_record(SslDecryptSession*ssl,SslDecoder* decoder, gint ct,
2971 const guchar* in, guint inl, StringInfo* comp_str, StringInfo* out_str, guint* outl)
2973 guint pad, worklen, uncomplen;
2976 ssl_debug_printf("ssl_decrypt_record ciphertext len %d\n", inl);
2977 ssl_print_data("Ciphertext",in, inl);
2979 /* ensure we have enough storage space for decrypted data */
2980 if (inl > out_str->data_len)
2982 ssl_debug_printf("ssl_decrypt_record: allocating %d bytes for decrypt data (old len %d)\n",
2983 inl + 32, out_str->data_len);
2984 ssl_data_realloc(out_str, inl + 32);
2987 /* RFC 6101/2246: SSLCipherText/TLSCipherText has two structures for types:
2988 * (notation: { unencrypted, [ encrypted ] })
2989 * GenericStreamCipher: { [content, mac] }
2990 * GenericBlockCipher: { IV (TLS 1.1+), [content, mac, padding, padding_len] }
2991 * RFC 5426 (TLS 1.2): TLSCipherText has additionally:
2992 * GenericAEADCipher: { nonce_explicit, [content] }
2993 * RFC 4347 (DTLS): based on TLS 1.1, only GenericBlockCipher is supported.
2994 * RFC 6347 (DTLS 1.2): based on TLS 1.2, includes GenericAEADCipher too.
2997 /* (TLS 1.1 and later, DTLS) Extract explicit IV for GenericBlockCipher */
2998 if (decoder->cipher_suite->mode == MODE_CBC) {
2999 switch (ssl->version_netorder) {
3000 case TLSV1DOT1_VERSION:
3001 case TLSV1DOT2_VERSION:
3002 case DTLSV1DOT0_VERSION:
3003 case DTLSV1DOT2_VERSION:
3004 case DTLSV1DOT0_VERSION_NOT:
3005 if ((gint)inl < decoder->cipher_suite->block) {
3006 ssl_debug_printf("ssl_decrypt_record failed: input %d has no space for IV %d\n",
3007 inl, decoder->cipher_suite->block);
3010 pad = gcry_cipher_setiv(decoder->evp, in, decoder->cipher_suite->block);
3012 ssl_debug_printf("ssl_decrypt_record failed: failed to set IV: %s %s\n",
3013 gcry_strsource (pad), gcry_strerror (pad));
3016 inl -= decoder->cipher_suite->block;
3017 in += decoder->cipher_suite->block;
3022 /* Nonce for GenericAEADCipher */
3023 if (decoder->cipher_suite->mode == MODE_GCM ||
3024 decoder->cipher_suite->mode == MODE_CCM ||
3025 decoder->cipher_suite->mode == MODE_CCM_8) {
3026 /* 4 bytes write_iv, 8 bytes explicit_nonce, 4 bytes counter */
3027 guchar gcm_nonce[16] = { 0 };
3029 if ((gint)inl < SSL_EX_NONCE_LEN_GCM) {
3030 ssl_debug_printf("ssl_decrypt_record failed: input %d has no space for nonce %d\n",
3031 inl, SSL_EX_NONCE_LEN_GCM);
3035 if (decoder->cipher_suite->mode == MODE_GCM) {
3036 memcpy(gcm_nonce, decoder->write_iv.data, decoder->write_iv.data_len); /* salt */
3037 memcpy(gcm_nonce + decoder->write_iv.data_len, in, SSL_EX_NONCE_LEN_GCM);
3038 /* NIST SP 800-38D, sect. 7.2 says that the 32-bit counter part starts
3039 * at 1, and gets incremented before passing to the block cipher. */
3040 gcm_nonce[4 + SSL_EX_NONCE_LEN_GCM + 3] = 2;
3041 } else { /* MODE_CCM and MODE_CCM_8 */
3042 /* The nonce for CCM and GCM are the same, but the nonce is used as input
3043 * in the CCM algorithm described in RFC 3610. The nonce generated here is
3044 * the one from RFC 3610 sect 2.3. Encryption. */
3045 /* Flags: (L-1) ; L = 16 - 1 - nonceSize */
3046 gcm_nonce[0] = 3 - 1;
3048 memcpy(gcm_nonce + 1, decoder->write_iv.data, decoder->write_iv.data_len); /* salt */
3049 memcpy(gcm_nonce + 1 + decoder->write_iv.data_len, in, SSL_EX_NONCE_LEN_GCM);
3050 gcm_nonce[4 + SSL_EX_NONCE_LEN_GCM + 3] = 1;
3053 pad = gcry_cipher_setctr (decoder->evp, gcm_nonce, sizeof (gcm_nonce));
3055 ssl_debug_printf("ssl_decrypt_record failed: failed to set CTR: %s %s\n",
3056 gcry_strsource (pad), gcry_strerror (pad));
3059 inl -= SSL_EX_NONCE_LEN_GCM;
3060 in += SSL_EX_NONCE_LEN_GCM;
3064 if ((pad = ssl_cipher_decrypt(&decoder->evp, out_str->data, out_str->data_len, in, inl))!= 0) {
3065 ssl_debug_printf("ssl_decrypt_record failed: ssl_cipher_decrypt: %s %s\n", gcry_strsource (pad),
3066 gcry_strerror (pad));
3070 ssl_print_data("Plaintext", out_str->data, inl);
3073 /* RFC 5116 sect 5.1/5.3: AES128/256 GCM/CCM uses 16 bytes for auth tag
3074 * RFC 6655 sect 6.1: AEAD_AES_128_CCM uses 16 bytes for auth tag */
3075 if (decoder->cipher_suite->mode == MODE_GCM ||
3076 decoder->cipher_suite->mode == MODE_CCM) {
3078 ssl_debug_printf("ssl_decrypt_record failed: missing tag, work %d\n", worklen);
3081 /* XXX - validate auth tag */
3084 /* RFC 6655 sect 6.1: AEAD_AES_128_CCM_8 uses 8 bytes for auth tag */
3085 if (decoder->cipher_suite->mode == MODE_CCM_8) {
3087 ssl_debug_printf("ssl_decrypt_record failed: missing tag, work %d\n", worklen);
3090 /* XXX - validate auth tag */
3094 /* strip padding for GenericBlockCipher */
3095 if (decoder->cipher_suite->mode == MODE_CBC) {
3096 pad=out_str->data[inl-1];
3097 if (worklen <= pad) {
3098 ssl_debug_printf("ssl_decrypt_record failed: padding %d too large for work %d\n",
3103 ssl_debug_printf("ssl_decrypt_record found padding %d final len %d\n",
3107 /* MAC for GenericStreamCipher and GenericBlockCipher */
3108 if (decoder->cipher_suite->mode == MODE_STREAM ||
3109 decoder->cipher_suite->mode == MODE_CBC) {
3110 if (ssl_cipher_suite_dig(decoder->cipher_suite)->len > (gint)worklen) {
3111 ssl_debug_printf("ssl_decrypt_record wrong record len/padding outlen %d\n work %d\n",*outl, worklen);
3114 worklen-=ssl_cipher_suite_dig(decoder->cipher_suite)->len;
3115 mac = out_str->data + worklen;
3116 } else /* if (decoder->cipher_suite->mode == MODE_GCM) */ {
3117 /* GenericAEADCipher has no MAC */
3121 /* Now check the MAC */
3122 ssl_debug_printf("checking mac (len %d, version %X, ct %d seq %d)\n",
3123 worklen, ssl->version_netorder, ct, decoder->seq);
3124 if(ssl->version_netorder==SSLV3_VERSION){
3125 if(ssl3_check_mac(decoder,ct,out_str->data,worklen,mac) < 0) {
3126 if(ssl_ignore_mac_failed) {
3127 ssl_debug_printf("ssl_decrypt_record: mac failed, but ignored for troubleshooting ;-)\n");
3130 ssl_debug_printf("ssl_decrypt_record: mac failed\n");
3135 ssl_debug_printf("ssl_decrypt_record: mac ok\n");
3138 else if(ssl->version_netorder==TLSV1_VERSION || ssl->version_netorder==TLSV1DOT1_VERSION || ssl->version_netorder==TLSV1DOT2_VERSION){
3139 if(tls_check_mac(decoder,ct,ssl->version_netorder,out_str->data,worklen,mac)< 0) {
3140 if(ssl_ignore_mac_failed) {
3141 ssl_debug_printf("ssl_decrypt_record: mac failed, but ignored for troubleshooting ;-)\n");
3144 ssl_debug_printf("ssl_decrypt_record: mac failed\n");
3149 ssl_debug_printf("ssl_decrypt_record: mac ok\n");
3152 else if(ssl->version_netorder==DTLSV1DOT0_VERSION ||
3153 ssl->version_netorder==DTLSV1DOT2_VERSION ||
3154 ssl->version_netorder==DTLSV1DOT0_VERSION_NOT){
3155 /* Try rfc-compliant mac first, and if failed, try old openssl's non-rfc-compliant mac */
3156 if(dtls_check_mac(decoder,ct,ssl->version_netorder,out_str->data,worklen,mac)>= 0) {
3157 ssl_debug_printf("ssl_decrypt_record: mac ok\n");
3159 else if(tls_check_mac(decoder,ct,TLSV1_VERSION,out_str->data,worklen,mac)>= 0) {
3160 ssl_debug_printf("ssl_decrypt_record: dtls rfc-compliant mac failed, but old openssl's non-rfc-compliant mac ok\n");
3162 else if(ssl_ignore_mac_failed) {
3163 ssl_debug_printf("ssl_decrypt_record: mac failed, but ignored for troubleshooting ;-)\n");
3166 ssl_debug_printf("ssl_decrypt_record: mac failed\n");
3174 if (decoder->compression > 0) {
3175 ssl_debug_printf("ssl_decrypt_record: compression method %d\n", decoder->compression);
3176 ssl_data_copy(comp_str, out_str);
3177 ssl_print_data("Plaintext compressed", comp_str->data, worklen);
3178 if (!decoder->decomp) {
3179 ssl_debug_printf("decrypt_ssl3_record: no decoder available\n");
3182 if (ssl_decompress_record(decoder->decomp, comp_str->data, worklen, out_str, &uncomplen) < 0) return -1;
3183 ssl_print_data("Plaintext uncompressed", out_str->data, uncomplen);
3191 static SSL_PRIVATE_KEY*
3192 ssl_privkey_to_sexp(struct gnutls_x509_privkey_int* priv_key)
3194 gnutls_datum_t rsa_datum[RSA_PARS]; /* m, e, d, p, q, u */
3196 gcry_sexp_t rsa_priv_key = NULL;
3200 unsigned char buf_keyid[32];
3203 gcry_mpi_t* rsa_params = g_malloc(sizeof(gcry_mpi_t)*RSA_PARS);
3205 gcry_mpi_t rsa_params[RSA_PARS];
3208 buf_len = sizeof(buf_keyid);
3209 ret = gnutls_x509_privkey_get_key_id(priv_key, 0, buf_keyid, &buf_len);
3211 ssl_debug_printf( "gnutls_x509_privkey_get_key_id(ssl_pkey, 0, buf_keyid, &buf_len) - %s\n", gnutls_strerror(ret));
3213 ssl_debug_printf( "Private key imported: KeyID %s\n", bytes_to_ep_str_punct(buf_keyid, (int) buf_len, ':'));
3216 /* RSA get parameter */
3217 if (gnutls_x509_privkey_export_rsa_raw(priv_key,
3223 &rsa_datum[5]) != 0) {
3224 ssl_debug_printf("ssl_load_key: can't export rsa param (is a rsa private key file ?!?)\n");
3231 /* convert each rsa parameter to mpi format*/
3232 for(i=0; i<RSA_PARS; i++) {
3233 if (gcry_mpi_scan(&rsa_params[i], GCRYMPI_FMT_USG, rsa_datum[i].data, rsa_datum[i].size,&tmp_size) != 0) {
3234 ssl_debug_printf("ssl_load_key: can't convert m rsa param to int (size %d)\n", rsa_datum[i].size);
3242 /* libgcrypt expects p < q, and gnutls might not return it as such, depending on gnutls version and its crypto backend */
3243 if (gcry_mpi_cmp(rsa_params[3], rsa_params[4]) > 0)
3245 ssl_debug_printf("ssl_load_key: swapping p and q parameters and recomputing u\n");
3246 gcry_mpi_swap(rsa_params[3], rsa_params[4]);
3247 gcry_mpi_invm(rsa_params[5], rsa_params[3], rsa_params[4]);
3250 if (gcry_sexp_build( &rsa_priv_key, NULL,
3251 "(private-key(rsa((n%m)(e%m)(d%m)(p%m)(q%m)(u%m))))", rsa_params[0],
3252 rsa_params[1], rsa_params[2], rsa_params[3], rsa_params[4],
3253 rsa_params[5]) != 0) {
3254 ssl_debug_printf("ssl_load_key: can't build rsa private key s-exp\n");
3264 for (i=0; i< 6; i++)
3265 gcry_mpi_release(rsa_params[i]);
3266 return rsa_priv_key;
3272 ssl_load_key(FILE* fp)
3274 /* gnutls makes our work much harder, since we have to work internally with
3275 * s-exp formatted data, but PEM loader exports only in "gnutls_datum_t"
3276 * format, and a datum -> s-exp convertion function does not exist.
3278 gnutls_x509_privkey_t priv_key;
3284 Ssl_private_key_t *private_key = (Ssl_private_key_t *)g_malloc0(sizeof(Ssl_private_key_t));
3286 /* init private key data*/
3287 gnutls_x509_privkey_init(&priv_key);
3289 /* compute file size and load all file contents into a datum buffer*/
3290 if (fseek(fp, 0, SEEK_END) < 0) {
3291 ssl_debug_printf("ssl_load_key: can't fseek file\n");
3292 g_free(private_key);
3295 if ((size = ftell(fp)) < 0) {
3296 ssl_debug_printf("ssl_load_key: can't ftell file\n");
3297 g_free(private_key);
3300 if (fseek(fp, 0, SEEK_SET) < 0) {
3301 ssl_debug_printf("ssl_load_key: can't re-fseek file\n");
3302 g_free(private_key);
3305 key.data = (unsigned char *)g_malloc(size);
3306 key.size = (int)size;
3307 bytes = (guint) fread(key.data, 1, key.size, fp);
3308 if (bytes < key.size) {
3309 ssl_debug_printf("ssl_load_key: can't read from file %d bytes, got %d\n",
3311 g_free(private_key);
3316 /* import PEM data*/
3317 if ((ret = gnutls_x509_privkey_import(priv_key, &key, GNUTLS_X509_FMT_PEM)) != GNUTLS_E_SUCCESS) {
3318 ssl_debug_printf("ssl_load_key: can't import pem data: %s\n", gnutls_strerror(ret));
3319 g_free(private_key);
3324 if (gnutls_x509_privkey_get_pk_algorithm(priv_key) != GNUTLS_PK_RSA) {
3325 ssl_debug_printf("ssl_load_key: private key public key algorithm isn't RSA\n");
3326 g_free(private_key);
3333 private_key->x509_pkey = priv_key;
3334 private_key->sexp_pkey = ssl_privkey_to_sexp(priv_key);
3335 if ( !private_key->sexp_pkey ) {
3336 g_free(private_key);
3343 BAGTYPE(gnutls_pkcs12_bag_type_t x) {
3345 case GNUTLS_BAG_EMPTY: return "Empty";
3346 case GNUTLS_BAG_PKCS8_ENCRYPTED_KEY: return "PKCS#8 Encrypted key";
3347 case GNUTLS_BAG_PKCS8_KEY: return "PKCS#8 Key";
3348 case GNUTLS_BAG_CERTIFICATE: return "Certificate";
3349 case GNUTLS_BAG_CRL: return "CRL";
3350 case GNUTLS_BAG_ENCRYPTED: return "Encrypted";
3351 case GNUTLS_BAG_UNKNOWN: return "Unknown";
3352 default: return "<undefined>";
3357 * Load a RSA private key from a PKCS#12 file.
3358 * @param fp the file that contains the key data.
3359 * @param cert_passwd password to decrypt the PKCS#12 file.
3360 * @param[out] err error message upon failure; NULL upon success.
3361 * @return a pointer to the loaded key on success; NULL upon failure.
3363 static Ssl_private_key_t *
3364 ssl_load_pkcs12(FILE* fp, const gchar *cert_passwd, const char** err) {
3369 gnutls_datum_t data;
3370 gnutls_pkcs12_bag_t bag = NULL;
3371 gnutls_pkcs12_bag_type_t bag_type;
3372 size_t len, buf_len;
3373 static char buf_name[256];
3374 static char buf_email[128];
3375 unsigned char buf_keyid[32];
3377 gnutls_pkcs12_t ssl_p12 = NULL;
3378 gnutls_x509_crt_t ssl_cert = NULL;
3379 gnutls_x509_privkey_t ssl_pkey = NULL;
3381 Ssl_private_key_t *private_key = (Ssl_private_key_t *)g_malloc0(sizeof(Ssl_private_key_t));
3385 data.data = (unsigned char *)g_malloc(rest);
3388 while ((len = fread(p, 1, rest, fp)) > 0) {
3393 data.data = (unsigned char *)g_realloc(data.data, data.size + rest);
3394 p = data.data + data.size;
3399 ssl_debug_printf("%d bytes read\n", data.size);
3401 *err = "Error during certificate reading.";
3402 ssl_debug_printf("%s\n", *err);
3403 g_free(private_key);
3408 ret = gnutls_pkcs12_init(&ssl_p12);
3410 *err = wmem_strdup_printf(wmem_file_scope(), "gnutls_pkcs12_init(&st_p12) - %s", gnutls_strerror(ret));
3411 ssl_debug_printf("%s\n", *err);
3412 g_free(private_key);
3417 /* load PKCS#12 in DER or PEM format */
3418 ret = gnutls_pkcs12_import(ssl_p12, &data, GNUTLS_X509_FMT_DER, 0);
3420 *err = wmem_strdup_printf(wmem_file_scope(), "could not load PKCS#12 in DER format: %s", gnutls_strerror(ret));
3421 ssl_debug_printf("%s\n", *err);
3423 ret = gnutls_pkcs12_import(ssl_p12, &data, GNUTLS_X509_FMT_PEM, 0);
3425 *err = wmem_strdup_printf(wmem_file_scope(), "could not load PKCS#12 in PEM format: %s", gnutls_strerror(ret));
3426 ssl_debug_printf("%s\n", *err);
3433 g_free(private_key);
3437 ssl_debug_printf( "PKCS#12 imported\n");
3439 for (i=0; ret==0; i++) {
3441 if (bag) { gnutls_pkcs12_bag_deinit(bag); bag = NULL; }
3443 ret = gnutls_pkcs12_bag_init(&bag);
3444 if (ret < 0) continue;
3446 ret = gnutls_pkcs12_get_bag(ssl_p12, i, bag);
3447 if (ret < 0) continue;
3449 for (j=0; ret==0 && j<gnutls_pkcs12_bag_get_count(bag); j++) {
3451 bag_type = gnutls_pkcs12_bag_get_type(bag, j);
3452 if (bag_type >= GNUTLS_BAG_UNKNOWN) continue;
3453 ssl_debug_printf( "Bag %d/%d: %s\n", i, j, BAGTYPE(bag_type));
3454 if (bag_type == GNUTLS_BAG_ENCRYPTED) {
3455 ret = gnutls_pkcs12_bag_decrypt(bag, cert_passwd);
3457 bag_type = gnutls_pkcs12_bag_get_type(bag, j);
3458 if (bag_type >= GNUTLS_BAG_UNKNOWN) continue;
3459 ssl_debug_printf( "Bag %d/%d decrypted: %s\n", i, j, BAGTYPE(bag_type));
3463 ret = gnutls_pkcs12_bag_get_data(bag, j, &data);
3464 if (ret < 0) continue;
3468 case GNUTLS_BAG_CERTIFICATE:
3470 ret = gnutls_x509_crt_init(&ssl_cert);
3472 *err = wmem_strdup_printf(wmem_file_scope(), "gnutls_x509_crt_init(&ssl_cert) - %s", gnutls_strerror(ret));
3473 ssl_debug_printf("%s\n", *err);
3474 g_free(private_key);
3478 ret = gnutls_x509_crt_import(ssl_cert, &data, GNUTLS_X509_FMT_DER);
3480 *err = wmem_strdup_printf(wmem_file_scope(), "gnutls_x509_crt_import(ssl_cert, &data, GNUTLS_X509_FMT_DER) - %s", gnutls_strerror(ret));
3481 ssl_debug_printf("%s\n", *err);
3482 g_free(private_key);
3486 buf_len = sizeof(buf_name);
3487 ret = gnutls_x509_crt_get_dn_by_oid(ssl_cert, GNUTLS_OID_X520_COMMON_NAME, 0, 0, buf_name, &buf_len);
3488 if (ret < 0) { g_strlcpy(buf_name, "<ERROR>", 256); }
3489 buf_len = sizeof(buf_email);
3490 ret = gnutls_x509_crt_get_dn_by_oid(ssl_cert, GNUTLS_OID_PKCS9_EMAIL, 0, 0, buf_email, &buf_len);
3491 if (ret < 0) { g_strlcpy(buf_email, "<ERROR>", 128); }
3493 buf_len = sizeof(buf_keyid);
3494 ret = gnutls_x509_crt_get_key_id(ssl_cert, 0, buf_keyid, &buf_len);
3495 if (ret < 0) { g_strlcpy(buf_keyid, "<ERROR>", 32); }
3497 private_key->x509_cert = ssl_cert;
3498 ssl_debug_printf( "Certificate imported: %s <%s>, KeyID %s\n", buf_name, buf_email, bytes_to_ep_str(buf_keyid, (int) buf_len));
3501 case GNUTLS_BAG_PKCS8_KEY:
3502 case GNUTLS_BAG_PKCS8_ENCRYPTED_KEY:
3504 ret = gnutls_x509_privkey_init(&ssl_pkey);
3506 *err = wmem_strdup_printf(wmem_file_scope(), "gnutls_x509_privkey_init(&ssl_pkey) - %s", gnutls_strerror(ret));
3507 ssl_debug_printf("%s\n", *err);
3508 g_free(private_key);
3511 ret = gnutls_x509_privkey_import_pkcs8(ssl_pkey, &data, GNUTLS_X509_FMT_DER, cert_passwd,
3512 (bag_type==GNUTLS_BAG_PKCS8_KEY) ? GNUTLS_PKCS_PLAIN : 0);
3514 *err = wmem_strdup_printf(wmem_file_scope(), "Can not decrypt private key - %s", gnutls_strerror(ret));
3515 ssl_debug_printf("%s\n", *err);
3516 g_free(private_key);
3520 if (gnutls_x509_privkey_get_pk_algorithm(ssl_pkey) != GNUTLS_PK_RSA) {
3521 *err = "ssl_load_pkcs12: private key public key algorithm isn't RSA";
3522 ssl_debug_printf("%s\n", *err);
3523 g_free(private_key);
3527 private_key->x509_pkey = ssl_pkey;
3528 private_key->sexp_pkey = ssl_privkey_to_sexp(ssl_pkey);
3529 if ( !private_key->sexp_pkey ) {
3530 *err = "ssl_load_pkcs12: could not create sexp_pkey";
3531 ssl_debug_printf("%s\n", *err);
3532 g_free(private_key);
3546 void ssl_free_key(Ssl_private_key_t* key)
3550 for (i=0; i< 6; i++)
3551 gcry_mpi_release(key->sexp_pkey[i]);
3553 gcry_sexp_release(key->sexp_pkey);
3556 if (!key->x509_cert)
3557 gnutls_x509_crt_deinit (key->x509_cert);
3559 if (!key->x509_pkey)
3560 gnutls_x509_privkey_deinit(key->x509_pkey);
3562 g_free((Ssl_private_key_t*)key);
3566 ssl_find_private_key(SslDecryptSession *ssl_session, GHashTable *key_hash, GTree* associations, packet_info *pinfo) {
3568 char ip_addr_any[] = {0,0,0,0};
3570 Ssl_private_key_t * private_key;
3576 /* we need to know which side of the conversation is speaking */
3577 if (ssl_packet_from_server(ssl_session, associations, pinfo)) {
3578 dummy.addr = pinfo->src;
3579 dummy.port = port = pinfo->srcport;
3581 dummy.addr = pinfo->dst;
3582 dummy.port = port = pinfo->destport;
3584 ssl_debug_printf("ssl_find_private_key server %s:%u\n",
3585 ep_address_to_str(&dummy.addr),dummy.port);
3587 /* try to retrieve private key for this service. Do it now 'cause pinfo
3588 * is not always available
3589 * Note that with HAVE_LIBGNUTLS undefined private_key is allways 0
3590 * and thus decryption never engaged*/
3593 ssl_session->private_key = 0;
3594 private_key = (Ssl_private_key_t *)g_hash_table_lookup(key_hash, &dummy);
3597 ssl_debug_printf("ssl_find_private_key can't find private key for this server! Try it again with universal port 0\n");
3600 private_key = (Ssl_private_key_t *)g_hash_table_lookup(key_hash, &dummy);
3604 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");
3606 dummy.addr.type = AT_IPv4;
3608 dummy.addr.data = ip_addr_any;
3611 private_key = (Ssl_private_key_t *)g_hash_table_lookup(key_hash, &dummy);
3615 ssl_debug_printf("ssl_find_private_key can't find any private key!\n");
3617 ssl_session->private_key = private_key->sexp_pkey;
3626 ssl_debug_printf("gnutls version: %s\n", gnutls_check_version(NULL));
3629 #else /* defined(HAVE_LIBGNUTLS) && defined(HAVE_LIBGCRYPT) */
3630 /* no libgnutl: dummy operation to keep interface consistent*/
3637 ssl_load_key(FILE* fp)
3639 ssl_debug_printf("ssl_load_key: impossible without gnutls. fp %p\n",fp);
3644 ssl_load_pkcs12(FILE* fp, const gchar *cert_passwd _U_, const char** err) {
3646 ssl_debug_printf("ssl_load_pkcs12: impossible without gnutls. fp %p\n",fp);
3651 ssl_free_key(Ssl_private_key_t* key _U_)
3656 ssl_find_private_key(SslDecryptSession *ssl_session _U_, GHashTable *key_hash _U_, GTree* associations _U_, packet_info *pinfo _U_)
3662 ssl_find_cipher(int num,SslCipherSuite* cs)
3664 ssl_debug_printf("ssl_find_cipher: dummy without gnutls. num %d cs %p\n",
3669 ssl_generate_pre_master_secret(SslDecryptSession *ssl_session _U_,
3670 guint32 length _U_, tvbuff_t *tvb _U_, guint32 offset _U_,
3671 const gchar *ssl_psk _U_, const gchar *keylog_filename _U_)
3673 ssl_debug_printf("ssl_generate_pre_master_secret: impossible without gnutls.\n");
3677 ssl_generate_keyring_material(SslDecryptSession*ssl)
3679 ssl_debug_printf("ssl_generate_keyring_material: impossible without gnutls. ssl %p\n",
3684 ssl_change_cipher(SslDecryptSession *ssl_session, gboolean server)
3686 ssl_debug_printf("ssl_change_cipher %s: makes no sense without gnutls. ssl %p\n",
3687 (server)?"SERVER":"CLIENT", ssl_session);
3691 ssl_decrypt_pre_master_secret(SslDecryptSession* ssl_session,
3692 StringInfo* encrypted_pre_master, SSL_PRIVATE_KEY *pk)
3694 ssl_debug_printf("ssl_decrypt_pre_master_secret: impossible without gnutls."
3695 " ssl %p encrypted_pre_master %p pk %p\n", ssl_session,
3696 encrypted_pre_master, pk);
3701 ssl_decrypt_record(SslDecryptSession*ssl, SslDecoder* decoder, gint ct,
3702 const guchar* in, guint inl, StringInfo* comp_str _U_, StringInfo* out, guint* outl)
3704 ssl_debug_printf("ssl_decrypt_record: impossible without gnutls. ssl %p"
3705 "decoder %p ct %d, in %p inl %d out %p outl %p\n", ssl, decoder, ct,
3706 in, inl, out, outl);
3711 ssl_cipher_setiv(SSL_CIPHER_CTX *cipher _U_, guchar* iv _U_, gint iv_len _U_)
3713 ssl_debug_printf("ssl_cipher_setiv: impossible without gnutls.\n");
3717 #endif /* HAVE_LIBGNUTLS */
3719 /* get ssl data for this session. if no ssl data is found allocate a new one*/
3721 ssl_session_init(SslDecryptSession* ssl_session)
3723 ssl_debug_printf("ssl_session_init: initializing ptr %p size %" G_GSIZE_MODIFIER "u\n",
3724 (void *)ssl_session, sizeof(SslDecryptSession));
3726 ssl_session->master_secret.data = ssl_session->_master_secret;
3727 ssl_session->session_id.data = ssl_session->_session_id;
3728 ssl_session->client_random.data = ssl_session->_client_random;
3729 ssl_session->server_random.data = ssl_session->_server_random;
3730 ssl_session->master_secret.data_len = 48;
3731 ssl_session->server_data_for_iv.data_len = 0;
3732 ssl_session->server_data_for_iv.data = ssl_session->_server_data_for_iv;
3733 ssl_session->client_data_for_iv.data_len = 0;
3734 ssl_session->client_data_for_iv.data = ssl_session->_client_data_for_iv;
3735 ssl_session->app_data_segment.data=NULL;
3736 ssl_session->app_data_segment.data_len=0;
3737 SET_ADDRESS(&ssl_session->srv_addr, AT_NONE, 0, NULL);
3738 ssl_session->srv_ptype = PT_NONE;
3739 ssl_session->srv_port = 0;
3743 ssl_set_server(SslDecryptSession* ssl, address *addr, port_type ptype, guint32 port)
3745 SE_COPY_ADDRESS(&ssl->srv_addr, addr);
3746 ssl->srv_ptype = ptype;
3747 ssl->srv_port = port;
3750 /* Hash Functions for TLS/DTLS sessions table and private keys table*/
3752 ssl_equal (gconstpointer v, gconstpointer v2)
3754 const StringInfo *val1;
3755 const StringInfo *val2;
3756 val1 = (const StringInfo *)v;
3757 val2 = (const StringInfo *)v2;
3759 if (val1->data_len == val2->data_len &&
3760 !memcmp(val1->data, val2->data, val2->data_len)) {
3767 ssl_hash (gconstpointer v)
3770 const StringInfo* id;
3773 id = (const StringInfo*) v;
3775 /* id and id->data are mallocated in ssl_save_session(). As such 'data'
3776 * should be aligned for any kind of access (for example as a guint as
3777 * is done below). The intermediate void* cast is to prevent "cast
3778 * increases required alignment of target type" warnings on CPUs (such
3779 * as SPARCs) that do not allow misaligned memory accesses.
3781 cur = (const guint*)(void*) id->data;
3783 for (l=4; (l < id->data_len); l+=4, cur++)
3784 hash = hash ^ (*cur);
3790 ssl_private_key_equal (gconstpointer v, gconstpointer v2)
3792 const SslService *val1;
3793 const SslService *val2;
3794 val1 = (const SslService *)v;
3795 val2 = (const SslService *)v2;
3797 if ((val1->port == val2->port) &&
3798 ! CMP_ADDRESS(&val1->addr, &val2->addr)) {
3805 ssl_private_key_hash (gconstpointer v)
3807 const SslService *key;
3808 guint l, hash, len ;
3811 key = (const SslService *)v;
3813 len = key->addr.len;
3814 cur = (const guint*) key->addr.data;
3816 for (l=4; (l<len); l+=4, cur++)
3817 hash = hash ^ (*cur);
3822 /* private key table entries have a scope 'larger' then packet capture,
3823 * so we can't relay on se_alloc** function */
3825 ssl_private_key_free(gpointer id, gpointer key, gpointer dummy _U_)
3829 ssl_free_key((Ssl_private_key_t*) key);
3833 /* handling of association between tls/dtls ports and clear text protocol */
3835 ssl_association_add(GTree* associations, dissector_handle_t handle, guint port, const gchar *protocol, gboolean tcp, gboolean from_key_list)
3838 SslAssociation* assoc;
3839 assoc = (SslAssociation *)g_malloc(sizeof(SslAssociation));
3842 assoc->ssl_port = port;
3843 assoc->info=g_strdup(protocol);
3844 assoc->handle = find_dissector(protocol);
3845 assoc->from_key_list = from_key_list;
3847 ssl_debug_printf("association_add %s port %d protocol %s handle %p\n",
3848 (assoc->tcp)?"TCP":"UDP", port, protocol, (void *)(assoc->handle));
3851 if (!assoc->handle) {
3852 ssl_debug_printf("association_add could not find handle for protocol '%s', try to find 'data' dissector\n", protocol);
3853 assoc->handle = find_dissector("data");
3856 if (!assoc->handle) {
3857 fprintf(stderr, "association_add() could not find handle for protocol:%s\n",protocol);
3861 dissector_add_uint("tcp.port", port, handle);
3863 dissector_add_uint("udp.port", port, handle);
3865 g_tree_insert(associations, assoc, assoc);
3867 dissector_add_uint("sctp.port", port, handle);
3872 ssl_association_remove(GTree* associations, SslAssociation *assoc)
3874 ssl_debug_printf("ssl_association_remove removing %s %u - %s handle %p\n",
3875 (assoc->tcp)?"TCP":"UDP", assoc->ssl_port, assoc->info, (void *)(assoc->handle));
3877 dissector_delete_uint((assoc->tcp)?"tcp.port":"udp.port", assoc->ssl_port, assoc->handle);
3879 g_free(assoc->info);
3881 g_tree_remove(associations, assoc);
3886 ssl_association_cmp(gconstpointer a, gconstpointer b)
3888 const SslAssociation *assoc_a=(SslAssociation *)a, *assoc_b=(SslAssociation *)b;
3889 if (assoc_a->tcp != assoc_b->tcp) return (assoc_a->tcp)?1:-1;
3890 return assoc_a->ssl_port - assoc_b->ssl_port;
3894 ssl_association_find(GTree * associations, guint port, gboolean tcp)
3896 register SslAssociation* ret;
3897 SslAssociation assoc_tmp;
3899 assoc_tmp.tcp = tcp;
3900 assoc_tmp.ssl_port = port;
3901 ret = (SslAssociation *)g_tree_lookup(associations, &assoc_tmp);
3903 ssl_debug_printf("association_find: %s port %d found %p\n", (tcp)?"TCP":"UDP", port, (void *)ret);
3908 ssl_assoc_from_key_list(gpointer key _U_, gpointer data, gpointer user_data)
3910 if (((SslAssociation*)data)->from_key_list)
3911 wmem_stack_push((wmem_stack_t*)user_data, data);
3916 ssl_packet_from_server(SslDecryptSession* ssl, GTree* associations, packet_info *pinfo)
3919 if (ssl && (ssl->srv_ptype != PT_NONE)) {
3920 ret = (ssl->srv_ptype == pinfo->ptype) && (ssl->srv_port == pinfo->srcport) && ADDRESSES_EQUAL(&ssl->srv_addr, &pinfo->src);
3922 ret = ssl_association_find(associations, pinfo->srcport, pinfo->ptype == PT_TCP) != 0;
3925 ssl_debug_printf("packet_from_server: is from server - %s\n", (ret)?"TRUE":"FALSE");
3929 /* add to packet data a copy of the specified real data */
3931 ssl_add_record_info(gint proto, packet_info *pinfo, guchar* data, gint data_len, gint record_id)
3937 pi = (SslPacketInfo *)p_get_proto_data(wmem_file_scope(), pinfo, proto, 0);
3940 pi = (SslPacketInfo *)wmem_alloc0(wmem_file_scope(), sizeof(SslPacketInfo));
3941 p_add_proto_data(wmem_file_scope(), pinfo, proto, 0, pi);
3944 real_data = (guchar *)wmem_alloc(wmem_file_scope(), data_len);
3945 memcpy(real_data, data, data_len);
3947 rec = (SslRecordInfo *)wmem_alloc(wmem_file_scope(), sizeof(SslRecordInfo));
3948 rec->id = record_id;
3949 rec->real_data = real_data;
3950 rec->data_len = data_len;
3952 /* head insertion */
3953 rec->next= pi->handshake_data;
3954 pi->handshake_data = rec;
3957 /* search in packet data for the specified id; return a newly created tvb for the associated data */
3959 ssl_get_record_info(tvbuff_t *parent_tvb, int proto, packet_info *pinfo, gint record_id)
3963 pi = (SslPacketInfo *)p_get_proto_data(wmem_file_scope(), pinfo, proto, 0);
3968 for (rec = pi->handshake_data; rec; rec = rec->next)
3969 if (rec->id == record_id)
3970 /* link new real_data_tvb with a parent tvb so it is freed when frame dissection is complete */
3971 return tvb_new_child_real_data(parent_tvb, rec->real_data, rec->data_len, rec->data_len);
3977 ssl_add_data_info(gint proto, packet_info *pinfo, guchar* data, gint data_len, gint key, SslFlow *flow)
3979 SslDataInfo *rec, **prec;
3982 pi = (SslPacketInfo *)p_get_proto_data(wmem_file_scope(), pinfo, proto, 0);
3985 pi = (SslPacketInfo *)wmem_alloc0(wmem_file_scope(), sizeof(SslPacketInfo));
3986 p_add_proto_data(wmem_file_scope(), pinfo, proto, 0, pi);
3989 rec = (SslDataInfo *)wmem_alloc(wmem_file_scope(), sizeof(SslDataInfo)+data_len);
3991 rec->plain_data.data = (guchar*)(rec + 1);
3992 memcpy(rec->plain_data.data, data, data_len);
3993 rec->plain_data.data_len = data_len;
3996 rec->seq = flow->byte_seq;
3997 rec->nxtseq = flow->byte_seq + data_len;
3999 flow->byte_seq += data_len;
4004 prec = &pi->appl_data;
4005 while (*prec) prec = &(*prec)->next;
4008 ssl_debug_printf("ssl_add_data_info: new data inserted data_len = %d, seq = %u, nxtseq = %u\n",
4009 rec->plain_data.data_len, rec->seq, rec->nxtseq);
4013 ssl_get_data_info(int proto, packet_info *pinfo, gint key)
4017 pi = (SslPacketInfo *)p_get_proto_data(wmem_file_scope(), pinfo, proto, 0);
4019 if (!pi) return NULL;
4021 rec = pi->appl_data;
4023 if (rec->key == key) return rec;
4030 /* initialize/reset per capture state data (ssl sessions cache) */
4032 ssl_common_init(GHashTable **session_hash, StringInfo *decrypted_data, StringInfo *compressed_data)
4035 g_hash_table_destroy(*session_hash);
4036 *session_hash = g_hash_table_new(ssl_hash, ssl_equal);
4038 g_free(decrypted_data->data);
4039 ssl_data_alloc(decrypted_data, 32);
4041 g_free(compressed_data->data);
4042 ssl_data_alloc(compressed_data, 32);
4045 /* parse ssl related preferences (private keys and ports association strings) */
4047 ssl_parse_key_list(const ssldecrypt_assoc_t * uats, GHashTable *key_hash, GTree* associations, dissector_handle_t handle, gboolean tcp)
4049 SslService* service;
4050 Ssl_private_key_t* private_key, *tmp_private_key;
4052 guint32 addr_data[4];
4054 address_type addr_type[2] = { AT_IPv4, AT_IPv6 };
4056 /* try to load keys file first */
4057 fp = ws_fopen(uats->keyfile, "rb");
4059 fprintf(stderr, "Can't open file %s\n",uats->keyfile);
4063 for (at = 0; at < 2; at++) {
4064 memset(addr_data, 0, sizeof(addr_data));
4067 /* any: IPv4 or IPv6 wildcard */
4068 /* anyipv4: IPv4 wildcard */
4069 /* anyipv6: IPv6 wildcard */
4071 if(addr_type[at] == AT_IPv4) {
4072 if (strcmp(uats->ipaddr, "any") == 0 || strcmp(uats->ipaddr, "anyipv4") == 0 ||
4073 get_host_ipaddr(uats->ipaddr, &addr_data[0])) {
4076 } else { /* AT_IPv6 */
4077 if(strcmp(uats->ipaddr, "any") == 0 || strcmp(uats->ipaddr, "anyipv6") == 0 ||
4078 get_host_ipaddr6(uats->ipaddr, (struct e_in6_addr *) addr_data)) {
4087 if ((gint)strlen(uats->password) == 0) {
4088 private_key = ssl_load_key(fp);
4090 const char *err = NULL;
4091 private_key = ssl_load_pkcs12(fp, uats->password, &err);
4093 fprintf(stderr, "%s\n", err);
4098 fprintf(stderr,"Can't load private key from %s\n", uats->keyfile);
4103 service = (SslService *)g_malloc(sizeof(SslService) + addr_len);
4104 service->addr.type = addr_type[at];
4105 service->addr.len = addr_len;
4106 service->addr.data = ((guchar*)service) + sizeof(SslService);
4107 memcpy((void*)service->addr.data, addr_data, addr_len);
4109 if(strcmp(uats->port,"start_tls")==0) {
4112 service->port = atoi(uats->port);
4115 ssl_debug_printf("ssl_init %s addr '%s' (%s) port '%d' filename '%s' password(only for p12 file) '%s'\n",
4116 (addr_type[at] == AT_IPv4) ? "IPv4" : "IPv6", uats->ipaddr, ep_address_to_str(&service->addr),
4117 service->port, uats->keyfile, uats->password);
4119 ssl_debug_printf("ssl_init private key file %s successfully loaded.\n", uats->keyfile);
4121 /* if item exists, remove first */
4122 tmp_private_key = (Ssl_private_key_t *)g_hash_table_lookup(key_hash, service);
4123 if (tmp_private_key) {
4124 g_hash_table_remove(key_hash, service);
4125 ssl_free_key(tmp_private_key);
4128 g_hash_table_insert(key_hash, service, private_key);
4130 ssl_association_add(associations, handle, service->port, uats->protocol, tcp, TRUE);
4136 /* store master secret into session data cache */
4138 ssl_save_session(SslDecryptSession* ssl, GHashTable *session_hash)
4140 /* allocate stringinfo chunks for session id and master secret data*/
4141 StringInfo* session_id;
4142 StringInfo* master_secret;
4144 if (ssl->session_id.data_len == 0) {
4145 ssl_debug_printf("ssl_save_session SessionID is empty!\n");
4149 session_id = (StringInfo *)wmem_alloc0(wmem_file_scope(), sizeof(StringInfo) + ssl->session_id.data_len);
4150 master_secret = (StringInfo *)wmem_alloc0(wmem_file_scope(), 48 + sizeof(StringInfo));
4152 master_secret->data = ((guchar*)master_secret+sizeof(StringInfo));
4154 /* ssl_hash() depends on session_id->data being aligned for guint access
4155 * so be careful in changing how it is allocated.
4157 session_id->data = ((guchar*)session_id+sizeof(StringInfo));
4159 ssl_data_set(session_id, ssl->session_id.data, ssl->session_id.data_len);
4160 ssl_data_set(master_secret, ssl->master_secret.data, ssl->master_secret.data_len);
4161 g_hash_table_insert(session_hash, session_id, master_secret);
4162 ssl_print_string("ssl_save_session stored session id", session_id);
4163 ssl_print_string("ssl_save_session stored master secret", master_secret);
4167 ssl_restore_session(SslDecryptSession* ssl, GHashTable *session_hash)
4171 if (ssl->session_id.data_len == 0) {
4172 ssl_debug_printf("ssl_restore_session Cannot restore using an empty SessionID\n");
4176 ms = (StringInfo *)g_hash_table_lookup(session_hash, &ssl->session_id);
4179 ssl_debug_printf("ssl_restore_session can't find stored session\n");
4182 ssl_data_set(&ssl->master_secret, ms->data, ms->data_len);
4183 ssl->state |= SSL_MASTER_SECRET;
4184 ssl_debug_printf("ssl_restore_session master key retrieved\n");
4189 ssl_is_valid_content_type(guint8 type)
4191 if ((type >= 0x14) && (type <= 0x18))
4199 static const unsigned int kRSAMasterSecretLength = 48; /* RFC5246 8.1 */
4201 /* ssl_keylog_parse_session_id parses, from |line|, a string that looks like:
4202 * RSA Session-ID:<hex session id> Master-Key:<hex TLS master secret>.
4204 * It returns TRUE iff the session id matches |ssl_session| and the master
4205 * secret is correctly extracted. */
4207 ssl_keylog_parse_session_id(const char* line,
4208 SslDecryptSession* ssl_session)
4210 gsize len = strlen(line);
4213 if (ssl_session->session_id.data_len == 0)
4216 if (len < 15 || memcmp(line, "RSA Session-ID:", 15) != 0)
4221 if (len < ssl_session->session_id.data_len*2)
4224 for (i = 0; i < ssl_session->session_id.data_len; i++) {
4225 if (from_hex_char(line[2*i]) != (ssl_session->session_id.data[i] >> 4) ||
4226 from_hex_char(line[2*i+1]) != (ssl_session->session_id.data[i] & 15)) {
4227 ssl_debug_printf(" line does not match session id\n");
4235 if (len != 12 + kRSAMasterSecretLength*2 ||
4236 memcmp(line, " Master-Key:", 12) != 0) {
4242 if (!from_hex(&ssl_session->master_secret, line, len))
4244 ssl_session->state &= ~(SSL_PRE_MASTER_SECRET|SSL_HAVE_SESSION_KEY);
4245 ssl_session->state |= SSL_MASTER_SECRET;
4246 ssl_debug_printf("found master secret in key log\n");
4250 /* ssl_keylog_parse_client_random parses, from |line|, a string that looks like:
4251 * CLIENT_RANDOM <hex client_random> <hex TLS master secret>.
4253 * It returns TRUE iff the client_random matches |ssl_session| and the master
4254 * secret is correctly extracted. */
4256 ssl_keylog_parse_client_random(const char* line,
4257 SslDecryptSession* ssl_session)
4259 static const unsigned int kTLSRandomSize = 32; /* RFC5246 A.6 */
4260 gsize len = strlen(line);
4263 if (len < 14 || memcmp(line, "CLIENT_RANDOM ", 14) != 0)
4268 if (len < kTLSRandomSize*2 ||
4269 ssl_session->client_random.data_len != kTLSRandomSize) {
4273 for (i = 0; i < kTLSRandomSize; i++) {
4274 if (from_hex_char(line[2*i]) != (ssl_session->client_random.data[i] >> 4) ||
4275 from_hex_char(line[2*i+1]) != (ssl_session->client_random.data[i] & 15)) {
4276 ssl_debug_printf(" line does not match client random\n");
4281 line += 2*kTLSRandomSize;
4282 len -= 2*kTLSRandomSize;
4284 if (len != 1 + kRSAMasterSecretLength*2 || line[0] != ' ')
4289 if (!from_hex(&ssl_session->master_secret, line, len))
4291 ssl_session->state &= ~(SSL_PRE_MASTER_SECRET|SSL_HAVE_SESSION_KEY);
4292 ssl_session->state |= SSL_MASTER_SECRET;
4293 ssl_debug_printf("found master secret in key log\n");
4297 /* ssl_keylog_parse_session_id parses, from |line|, a string that looks like:
4298 * RSA <hex, 8-bytes of encrypted pre-master secret> <hex pre-master secret>.
4300 * It returns TRUE iff the session id matches |ssl_session| and the master
4301 * secret is correctly extracted. */
4303 ssl_keylog_parse_rsa_premaster(const char* line,
4304 SslDecryptSession* ssl_session,
4305 StringInfo* encrypted_pre_master)
4307 static const unsigned int kRSAPremasterLength = 48; /* RFC5246 7.4.7.1 */
4308 gsize len = strlen(line);
4311 if (encrypted_pre_master == NULL)
4314 if (encrypted_pre_master->data_len < 8)
4317 if (len < 4 || memcmp(line, "RSA ", 4) != 0)
4325 for (i = 0; i < 8; i++) {
4326 if (from_hex_char(line[2*i]) != (encrypted_pre_master->data[i] >> 4) ||
4327 from_hex_char(line[2*i+1]) != (encrypted_pre_master->data[i] & 15)) {
4328 ssl_debug_printf(" line does not match encrypted pre-master secret");
4336 if (len != 1 + kRSAPremasterLength*2 || line[0] != ' ')
4341 if (!from_hex(&ssl_session->pre_master_secret, line, len))
4343 ssl_session->state &= ~(SSL_MASTER_SECRET|SSL_HAVE_SESSION_KEY);
4344 ssl_session->state |= SSL_PRE_MASTER_SECRET;
4345 ssl_debug_printf("found pre-master secret in key log\n");
4351 ssl_keylog_lookup(SslDecryptSession* ssl_session,
4352 const gchar* ssl_keylog_filename,
4353 StringInfo* encrypted_pre_master) {
4357 if (!ssl_keylog_filename)
4360 ssl_debug_printf("trying to use SSL keylog in %s\n", ssl_keylog_filename);
4362 ssl_keylog = ws_fopen(ssl_keylog_filename, "r");
4364 ssl_debug_printf("failed to open SSL keylog\n");
4368 /* The format of the file is a series of records with one of the following formats:
4370 * Where xxxx are the first 8 bytes of the encrypted pre-master secret (hex-encoded)
4371 * Where yyyy is the cleartext pre-master secret (hex-encoded)
4372 * (this is the original format introduced with bug 4349)
4374 * - "RSA Session-ID:xxxx Master-Key:yyyy"
4375 * Where xxxx is the SSL session ID (hex-encoded)
4376 * Where yyyy is the cleartext master secret (hex-encoded)
4377 * (added to support openssl s_client Master-Key output)
4378 * This is somewhat is a misnomer because there's nothing RSA specific
4381 * - "CLIENT_RANDOM xxxx yyyy"
4382 * Where xxxx is the client_random from the ClientHello (hex-encoded)
4383 * Where yyy is the cleartext master secret (hex-encoded)
4384 * (This format allows non-RSA SSL connections to be decrypted, i.e.
4388 char buf[512], *line;
4391 line = fgets(buf, sizeof(buf), ssl_keylog);
4395 bytes_read = strlen(line);
4396 /* fgets includes the \n at the end of the line. */
4397 if (bytes_read > 0) {
4398 line[bytes_read - 1] = 0;
4401 if (bytes_read > 0 && line[bytes_read - 1] == '\r') {
4402 line[bytes_read - 1] = 0;
4406 ssl_debug_printf(" checking keylog line: %s\n", line);
4408 if (ssl_keylog_parse_session_id(line, ssl_session) ||
4409 ssl_keylog_parse_rsa_premaster(line, ssl_session,
4410 encrypted_pre_master) ||
4411 ssl_keylog_parse_client_random(line, ssl_session)) {
4415 ssl_debug_printf(" line does not match\n");
4423 #ifdef SSL_DECRYPT_DEBUG
4425 static FILE* ssl_debug_file=NULL;
4428 ssl_set_debug(const gchar* name)
4430 static gint debug_file_must_be_closed;
4433 debug_file_must_be_closed = 0;
4434 use_stderr = name?(strcmp(name, SSL_DEBUG_USE_STDERR) == 0):0;
4436 if (debug_file_must_be_closed)
4437 fclose(ssl_debug_file);
4439 ssl_debug_file = stderr;
4440 else if (!name || (strcmp(name, "") ==0))
4441 ssl_debug_file = NULL;
4443 ssl_debug_file = ws_fopen(name, "w");
4444 if (!use_stderr && ssl_debug_file)
4445 debug_file_must_be_closed = 1;
4447 ssl_debug_printf("Wireshark SSL debug log \n\n");
4451 ssl_debug_flush(void)
4454 fflush(ssl_debug_file);
4458 ssl_debug_printf(const gchar* fmt, ...)
4462 if (!ssl_debug_file)
4466 vfprintf(ssl_debug_file, fmt, ap);
4471 ssl_print_data(const gchar* name, const guchar* data, size_t len)
4474 if (!ssl_debug_file)
4476 fprintf(ssl_debug_file,"%s[%d]:\n",name, (int) len);
4477 for (i=0; i<len; i+=16) {
4478 fprintf(ssl_debug_file,"| ");
4479 for (j=i, k=0; k<16 && j<len; ++j, ++k)
4480 fprintf(ssl_debug_file,"%.2x ",data[j]);
4482 fprintf(ssl_debug_file," ");
4483 fputc('|', ssl_debug_file);
4484 for (j=i, k=0; k<16 && j<len; ++j, ++k) {
4486 if (!isprint(c) || (c=='\t')) c = '.';
4487 fputc(c, ssl_debug_file);
4490 fputc(' ', ssl_debug_file);
4491 fprintf(ssl_debug_file,"|\n");
4496 ssl_print_string(const gchar* name, const StringInfo* data)
4498 ssl_print_data(name, data->data, data->data_len);
4500 #endif /* SSL_DECRYPT_DEBUG */
4502 /* checks for SSL and DTLS UAT key list fields */
4505 ssldecrypt_uat_fld_ip_chk_cb(void* r _U_, const char* p, guint len _U_, const void* u1 _U_, const void* u2 _U_, const char** err)
4507 if (!p || strlen(p) == 0u) {
4508 *err = ep_strdup_printf("No IP address given.");
4517 ssldecrypt_uat_fld_port_chk_cb(void* r _U_, const char* p, guint len _U_, const void* u1 _U_, const void* u2 _U_, const char** err)
4519 if (!p || strlen(p) == 0u) {
4520 *err = ep_strdup_printf("No Port given.");
4524 if (strcmp(p, "start_tls") != 0){
4525 const gint i = atoi(p);
4526 if (i < 0 || i > 65535) {
4527 *err = ep_strdup_printf("Invalid port given.");
4537 ssldecrypt_uat_fld_protocol_chk_cb(void* r _U_, const char* p, guint len _U_, const void* u1 _U_, const void* u2 _U_, const char** err)
4539 if (!p || strlen(p) == 0u) {
4540 *err = ep_strdup_printf("No protocol given.");
4544 if (!find_dissector(p)) {
4545 *err = ep_strdup_printf("Could not find dissector for: '%s'\nValid dissectors are:\n%s", p, ssl_association_info());
4554 ssldecrypt_uat_fld_fileopen_chk_cb(void* r _U_, const char* p, guint len _U_, const void* u1 _U_, const void* u2 _U_, const char** err)
4558 if (!p || strlen(p) == 0u) {
4559 *err = ep_strdup_printf("No filename given.");
4562 if (ws_stat64(p, &st) != 0) {
4563 *err = ep_strdup_printf("File '%s' does not exist or access is denied.", p);
4573 ssldecrypt_uat_fld_password_chk_cb(void* r _U_, const char* p, guint len _U_, const void* u1 _U_, const void* u2 _U_, const char ** err)
4575 ssldecrypt_assoc_t* f = (ssldecrypt_assoc_t *)r;
4578 if (p && (strlen(p) > 0u)) {
4579 fp = ws_fopen(f->keyfile, "rb");
4581 const char *msg = NULL;
4582 if (!ssl_load_pkcs12(fp, p, &msg)) {
4584 *err = ep_strdup_printf("Could not load PKCS#12 key file: %s", msg);
4589 *err = ep_strdup_printf("Leave this field blank if the keyfile is not PKCS#12.");
4599 /* dissect a list of hash algorithms, return the number of bytes dissected
4600 this is used for the signature algorithms extension and for the
4601 TLS1.2 certificate request */
4603 ssl_dissect_hash_alg_list(ssl_common_dissect_t *hf, tvbuff_t *tvb, proto_tree *tree,
4604 guint32 offset, guint16 len)
4606 guint32 offset_start;
4607 proto_tree *subtree, *alg_tree;
4610 offset_start = offset;
4614 ti = proto_tree_add_none_format(tree, hf->hf.hs_sig_hash_algs, tvb,
4616 "Signature Hash Algorithms (%u algorithm%s)",
4617 len / 2, plurality(len / 2, "", "s"));
4618 subtree = proto_item_add_subtree(ti, hf->ett.hs_sig_hash_algs);
4621 proto_tree_add_text(tree, tvb, offset, 2,
4622 "Invalid Signature Hash Algorithm length: %d", len);
4623 return offset-offset_start;
4627 ti = proto_tree_add_item(subtree, hf->hf.hs_sig_hash_alg,
4628 tvb, offset, 2, ENC_BIG_ENDIAN);
4629 alg_tree = proto_item_add_subtree(ti, hf->ett.hs_sig_hash_alg);
4631 proto_tree_add_item(alg_tree, hf->hf.hs_sig_hash_hash,
4632 tvb, offset, 1, ENC_BIG_ENDIAN);
4633 proto_tree_add_item(alg_tree, hf->hf.hs_sig_hash_sig,
4634 tvb, offset+1, 1, ENC_BIG_ENDIAN);
4639 return offset-offset_start;
4643 ssl_dissect_hnd_hello_ext_sig_hash_algs(ssl_common_dissect_t *hf, tvbuff_t *tvb,
4644 proto_tree *tree, guint32 offset, guint32 ext_len)
4646 guint16 sh_alg_length;
4649 sh_alg_length = tvb_get_ntohs(tvb, offset);
4650 proto_tree_add_uint(tree, hf->hf.hs_sig_hash_alg_len,
4651 tvb, offset, 2, sh_alg_length);
4653 if (ext_len < 2 || sh_alg_length != ext_len - 2) {
4654 /* ERROR: sh_alg_length must be 2 less than ext_len */
4658 ret = ssl_dissect_hash_alg_list(hf, tvb, tree, offset, sh_alg_length);
4666 ssl_dissect_hnd_hello_ext_alpn(ssl_common_dissect_t *hf, tvbuff_t *tvb,
4667 proto_tree *tree, guint32 offset, guint32 ext_len)
4669 guint16 alpn_length;
4671 proto_tree *alpn_tree;
4674 alpn_length = tvb_get_ntohs(tvb, offset);
4675 if (ext_len < 2 || alpn_length != ext_len - 2) {
4676 /* ERROR: alpn_length must be 2 less than ext_len */
4679 proto_tree_add_item(tree, hf->hf.hs_ext_alpn_len,
4680 tvb, offset, 2, ENC_BIG_ENDIAN);
4683 ti = proto_tree_add_item(tree, hf->hf.hs_ext_alpn_list,
4684 tvb, offset, alpn_length, ENC_NA);
4685 alpn_tree = proto_item_add_subtree(ti, hf->ett.hs_ext_alpn);
4687 while (alpn_length > 0) {
4688 name_length = tvb_get_guint8(tvb, offset);
4689 proto_tree_add_item(alpn_tree, hf->hf.hs_ext_alpn_str_len,
4690 tvb, offset, 1, ENC_NA);
4693 proto_tree_add_item(alpn_tree, hf->hf.hs_ext_alpn_str,
4694 tvb, offset, name_length, ENC_ASCII|ENC_NA);
4695 offset += name_length;
4696 alpn_length -= name_length;
4703 ssl_dissect_hnd_hello_ext_npn(ssl_common_dissect_t *hf, tvbuff_t *tvb,
4704 proto_tree *tree, guint32 offset, guint32 ext_len)
4707 proto_tree *npn_tree;
4714 ti = proto_tree_add_text(tree, tvb, offset, ext_len, "Next Protocol Negotiation");
4715 npn_tree = proto_item_add_subtree(ti, hf->ett.hs_ext_npn);
4717 while (ext_len > 0) {
4718 npn_length = tvb_get_guint8(tvb, offset);
4719 proto_tree_add_item(npn_tree, hf->hf.hs_ext_npn_str_len,
4720 tvb, offset, 1, ENC_NA);
4724 if (npn_length > 0) {
4725 tvb_ensure_bytes_exist(tvb, offset, npn_length);
4726 proto_tree_add_item(npn_tree, hf->hf.hs_ext_npn_str,
4727 tvb, offset, npn_length, ENC_ASCII|ENC_NA);
4728 offset += npn_length;
4729 ext_len -= npn_length;
4737 ssl_dissect_hnd_hello_ext_reneg_info(ssl_common_dissect_t *hf, tvbuff_t *tvb,
4738 proto_tree *tree, guint32 offset, guint32 ext_len)
4740 guint8 reneg_info_length;
4741 proto_tree *reneg_info_tree;
4748 ti = proto_tree_add_text(tree, tvb, offset, ext_len, "Renegotiation Info extension");
4749 reneg_info_tree = proto_item_add_subtree(ti, hf->ett.hs_ext_reneg_info);
4751 reneg_info_length = tvb_get_guint8(tvb, offset);
4752 proto_tree_add_item(reneg_info_tree, hf->hf.hs_ext_reneg_info_len,
4753 tvb, offset, 1, ENC_NA);
4756 if (reneg_info_length > 0) {
4757 tvb_ensure_bytes_exist(tvb, offset, reneg_info_length);
4758 proto_tree_add_text(reneg_info_tree, tvb, offset, reneg_info_length, "Renegotiation Info");
4759 offset += reneg_info_length;
4766 ssl_dissect_hnd_hello_ext_server_name(ssl_common_dissect_t *hf, tvbuff_t *tvb,
4767 proto_tree *tree, guint32 offset, guint32 ext_len)
4769 guint16 server_name_length;
4770 proto_tree *server_name_tree;
4778 ti = proto_tree_add_text(tree, tvb, offset, ext_len, "Server Name Indication extension");
4779 server_name_tree = proto_item_add_subtree(ti, hf->ett.hs_ext_server_name);
4781 proto_tree_add_item(server_name_tree, hf->hf.hs_ext_server_name_list_len,
4782 tvb, offset, 2, ENC_BIG_ENDIAN);
4786 while (ext_len > 0) {
4787 proto_tree_add_item(server_name_tree, hf->hf.hs_ext_server_name_type,
4788 tvb, offset, 1, ENC_NA);
4792 server_name_length = tvb_get_ntohs(tvb, offset);
4793 proto_tree_add_item(server_name_tree, hf->hf.hs_ext_server_name_len,
4794 tvb, offset, 2, ENC_BIG_ENDIAN);
4798 if (server_name_length > 0) {
4799 tvb_ensure_bytes_exist(tvb, offset, server_name_length);
4800 proto_tree_add_item(server_name_tree, hf->hf.hs_ext_server_name,
4801 tvb, offset, server_name_length, ENC_ASCII|ENC_NA);
4802 offset += server_name_length;
4803 ext_len -= server_name_length;
4810 ssl_dissect_hnd_cert_url(ssl_common_dissect_t *hf, tvbuff_t *tvb, proto_tree *tree, guint32 offset)
4812 guint16 url_hash_len;
4815 * individual_certs(0), pkipath(1), (255)
4819 * CertChainType type;
4820 * URLAndHash url_and_hash_list<1..2^16-1>;
4824 * opaque url<1..2^16-1>;
4826 * opaque SHA1Hash[20];
4830 proto_tree_add_item(tree, hf->hf.hs_ext_cert_url_type,
4831 tvb, offset, 1, ENC_NA);
4834 url_hash_len = tvb_get_ntohs(tvb, offset);
4835 proto_tree_add_item(tree, hf->hf.hs_ext_cert_url_url_hash_list_len,
4836 tvb, offset, 2, ENC_BIG_ENDIAN);
4838 while (url_hash_len-- > 0) {
4839 proto_item *urlhash_item;
4840 proto_tree *urlhash_tree;
4843 urlhash_item = proto_tree_add_item(tree, hf->hf.hs_ext_cert_url_item,
4844 tvb, offset, -1, ENC_NA);
4845 urlhash_tree = proto_item_add_subtree(urlhash_item, hf->ett.urlhash);
4847 url_len = tvb_get_ntohs(tvb, offset);
4848 proto_tree_add_item(urlhash_tree, hf->hf.hs_ext_cert_url_url_len,
4849 tvb, offset, 2, ENC_BIG_ENDIAN);
4852 proto_tree_add_item(urlhash_tree, hf->hf.hs_ext_cert_url_url,
4853 tvb, offset, url_len, ENC_ASCII|ENC_NA);
4856 proto_tree_add_item(urlhash_tree, hf->hf.hs_ext_cert_url_padding,
4857 tvb, offset, 1, ENC_NA);
4859 /* Note: RFC 6066 says that padding must be 0x01 */
4861 proto_tree_add_item(urlhash_tree, hf->hf.hs_ext_cert_url_sha1,
4862 tvb, offset, 20, ENC_NA);
4868 ssl_dissect_hnd_hello_ext_status_request(ssl_common_dissect_t *hf, tvbuff_t *tvb, proto_tree *tree,
4869 guint32 offset, gboolean has_length)
4871 guint cert_status_type;
4873 cert_status_type = tvb_get_guint8(tvb, offset);
4874 proto_tree_add_item(tree, hf->hf.hs_ext_cert_status_type,
4875 tvb, offset, 1, ENC_NA);
4879 proto_tree_add_item(tree, hf->hf.hs_ext_cert_status_request_len,
4880 tvb, offset, 2, ENC_BIG_ENDIAN);
4884 switch (cert_status_type) {
4885 case SSL_HND_CERT_STATUS_TYPE_OCSP:
4886 case SSL_HND_CERT_STATUS_TYPE_OCSP_MULTI:
4888 guint16 responder_id_list_len;
4889 guint16 request_extensions_len;
4890 proto_item *responder_id;
4891 proto_item *request_extensions;
4893 responder_id_list_len = tvb_get_ntohs(tvb, offset);
4895 proto_tree_add_item(tree,
4896 hf->hf.hs_ext_cert_status_responder_id_list_len,
4897 tvb, offset, 2, ENC_BIG_ENDIAN);
4899 if (responder_id_list_len != 0) {
4900 expert_add_info_format(NULL, responder_id,
4901 &hf->ei.hs_ext_cert_status_undecoded,
4902 "Responder ID list is not implemented, contact Wireshark"
4903 " developers if you want this to be supported");
4904 /* Non-empty responder ID list would mess with extensions. */
4908 request_extensions_len = tvb_get_ntohs(tvb, offset);
4909 request_extensions =
4910 proto_tree_add_item(tree,
4911 hf->hf.hs_ext_cert_status_request_extensions_len, tvb, offset,
4914 if (request_extensions_len != 0)
4915 expert_add_info_format(NULL, request_extensions,
4916 &hf->ei.hs_ext_cert_status_undecoded,
4917 "Request Extensions are not implemented, contact"
4918 " Wireshark developers if you want this to be supported");
4927 ssl_dissect_hnd_hello_ext_status_request_v2(ssl_common_dissect_t *hf, tvbuff_t *tvb, proto_tree *tree,
4932 list_len = tvb_get_ntoh24(tvb, offset);
4935 while (list_len-- > 0)
4936 offset = ssl_dissect_hnd_hello_ext_status_request(hf, tvb, tree, offset, TRUE);
4942 ssl_dissect_hnd_hello_ext_elliptic_curves(ssl_common_dissect_t *hf, tvbuff_t *tvb,
4943 proto_tree *tree, guint32 offset)
4945 guint16 curves_length;
4946 proto_tree *curves_tree;
4949 curves_length = tvb_get_ntohs(tvb, offset);
4950 proto_tree_add_item(tree, hf->hf.hs_ext_elliptic_curves_len,
4951 tvb, offset, 2, ENC_BIG_ENDIAN);
4954 tvb_ensure_bytes_exist(tvb, offset, curves_length);
4955 ti = proto_tree_add_none_format(tree,
4956 hf->hf.hs_ext_elliptic_curves,
4957 tvb, offset, curves_length,
4958 "Elliptic curves (%d curve%s)",
4960 plurality(curves_length/2, "", "s"));
4962 /* make this a subtree */
4963 curves_tree = proto_item_add_subtree(ti, hf->ett.hs_ext_curves);
4965 /* loop over all curves */
4966 while (curves_length > 0)
4968 proto_tree_add_item(curves_tree, hf->hf.hs_ext_elliptic_curve, tvb, offset, 2, ENC_BIG_ENDIAN);
4977 ssl_dissect_hnd_hello_ext_ec_point_formats(ssl_common_dissect_t *hf, tvbuff_t *tvb,
4978 proto_tree *tree, guint32 offset)
4981 proto_tree *ecpf_tree;
4984 ecpf_length = tvb_get_guint8(tvb, offset);
4985 proto_tree_add_item(tree, hf->hf.hs_ext_ec_point_formats_len,
4986 tvb, offset, 1, ENC_BIG_ENDIAN);
4989 tvb_ensure_bytes_exist(tvb, offset, ecpf_length);
4990 ti = proto_tree_add_none_format(tree,
4991 hf->hf.hs_ext_elliptic_curves,
4992 tvb, offset, ecpf_length,
4993 "Elliptic curves point formats (%d)",
4996 /* make this a subtree */
4997 ecpf_tree = proto_item_add_subtree(ti, hf->ett.hs_ext_curves_point_formats);
4999 /* loop over all point formats */
5000 while (ecpf_length > 0)
5002 proto_tree_add_item(ecpf_tree, hf->hf.hs_ext_ec_point_format, tvb, offset, 1, ENC_BIG_ENDIAN);
5011 ssl_dissect_hnd_hello_ext(ssl_common_dissect_t *hf, tvbuff_t *tvb, proto_tree *tree,
5012 guint32 offset, guint32 left, gboolean is_client)
5014 guint16 extension_length;
5018 proto_tree *ext_tree;
5023 extension_length = tvb_get_ntohs(tvb, offset);
5024 proto_tree_add_uint(tree, hf->hf.hs_exts_len,
5025 tvb, offset, 2, extension_length);
5031 ext_type = tvb_get_ntohs(tvb, offset);
5032 ext_len = tvb_get_ntohs(tvb, offset + 2);
5034 pi = proto_tree_add_text(tree, tvb, offset, 4 + ext_len, "Extension: %s",
5035 val_to_str(ext_type,
5036 tls_hello_extension_types,
5038 ext_tree = proto_item_add_subtree(pi, hf->ett.hs_ext);
5042 proto_tree_add_uint(ext_tree, hf->hf.hs_ext_type,
5043 tvb, offset, 2, ext_type);
5046 proto_tree_add_uint(ext_tree, hf->hf.hs_ext_len,
5047 tvb, offset, 2, ext_len);
5051 case SSL_HND_HELLO_EXT_STATUS_REQUEST:
5053 offset = ssl_dissect_hnd_hello_ext_status_request(hf, tvb, ext_tree, offset, FALSE);
5055 offset += ext_len; /* server must return empty extension_data */
5057 case SSL_HND_HELLO_EXT_STATUS_REQUEST_V2:
5059 offset = ssl_dissect_hnd_hello_ext_status_request_v2(hf, tvb, ext_tree, offset);
5061 offset += ext_len; /* server must return empty extension_data */
5063 case SSL_HND_HELLO_EXT_ELLIPTIC_CURVES:
5064 offset = ssl_dissect_hnd_hello_ext_elliptic_curves(hf, tvb, ext_tree, offset);
5066 case SSL_HND_HELLO_EXT_EC_POINT_FORMATS:
5067 offset = ssl_dissect_hnd_hello_ext_ec_point_formats(hf, tvb, ext_tree, offset);
5069 case SSL_HND_HELLO_EXT_SIG_HASH_ALGS:
5070 offset = ssl_dissect_hnd_hello_ext_sig_hash_algs(hf, tvb, ext_tree, offset, ext_len);
5072 case SSL_HND_HELLO_EXT_ALPN:
5073 offset = ssl_dissect_hnd_hello_ext_alpn(hf, tvb, ext_tree, offset, ext_len);
5075 case SSL_HND_HELLO_EXT_NPN:
5076 offset = ssl_dissect_hnd_hello_ext_npn(hf, tvb, ext_tree, offset, ext_len);
5078 case SSL_HND_HELLO_EXT_RENEG_INFO:
5079 offset = ssl_dissect_hnd_hello_ext_reneg_info(hf, tvb, ext_tree, offset, ext_len);
5081 case SSL_HND_HELLO_EXT_SERVER_NAME:
5082 offset = ssl_dissect_hnd_hello_ext_server_name(hf, tvb, ext_tree, offset, ext_len);
5084 case SSL_HND_HELLO_EXT_HEARTBEAT:
5085 proto_tree_add_item(ext_tree, hf->hf.hs_ext_heartbeat_mode,
5086 tvb, offset, 1, ENC_BIG_ENDIAN);
5090 proto_tree_add_bytes_format(ext_tree, hf->hf.hs_ext_data,
5091 tvb, offset, ext_len, NULL,
5093 ext_len, plurality(ext_len, "", "s"));
5098 left -= 2 + 2 + ext_len;
5105 * Editor modelines - http://www.wireshark.org/tools/modelines.html
5110 * indent-tabs-mode: nil
5113 * vi: set shiftwidth=4 tabstop=8 expandtab:
5114 * :indentSize=4:tabSize=8:noTabs=true: