Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 1 | /* |
| 2 | * srtp_driver.c |
| 3 | * |
| 4 | * a test driver for libSRTP |
| 5 | * |
| 6 | * David A. McGrew |
| 7 | * Cisco Systems, Inc. |
| 8 | */ |
| 9 | /* |
| 10 | * |
David McGrew | 7629bf2 | 2006-06-08 17:00:25 +0000 | [diff] [blame] | 11 | * Copyright (c) 2001-2006, Cisco Systems, Inc. |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 12 | * All rights reserved. |
| 13 | * |
| 14 | * Redistribution and use in source and binary forms, with or without |
| 15 | * modification, are permitted provided that the following conditions |
| 16 | * are met: |
| 17 | * |
| 18 | * Redistributions of source code must retain the above copyright |
| 19 | * notice, this list of conditions and the following disclaimer. |
| 20 | * |
| 21 | * Redistributions in binary form must reproduce the above |
| 22 | * copyright notice, this list of conditions and the following |
| 23 | * disclaimer in the documentation and/or other materials provided |
| 24 | * with the distribution. |
| 25 | * |
| 26 | * Neither the name of the Cisco Systems, Inc. nor the names of its |
| 27 | * contributors may be used to endorse or promote products derived |
| 28 | * from this software without specific prior written permission. |
| 29 | * |
| 30 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| 31 | * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| 32 | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS |
| 33 | * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE |
| 34 | * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, |
| 35 | * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
| 36 | * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR |
| 37 | * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| 38 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, |
| 39 | * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| 40 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED |
| 41 | * OF THE POSSIBILITY OF SUCH DAMAGE. |
| 42 | * |
| 43 | */ |
| 44 | |
| 45 | |
| 46 | #include <string.h> /* for memcpy() */ |
| 47 | #include <time.h> /* for clock() */ |
| 48 | #include <stdlib.h> /* for malloc(), free() */ |
| 49 | #include <stdio.h> /* for print(), fflush() */ |
David McGrew | 79bd301 | 2006-07-17 20:41:21 +0000 | [diff] [blame] | 50 | #include "getopt_s.h" /* for local getopt() */ |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 51 | |
David McGrew | 3c45e0c | 2006-07-12 00:50:56 +0000 | [diff] [blame] | 52 | #include "srtp_priv.h" |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 53 | |
Marcus Sundberg | 1cbca88 | 2005-10-02 20:50:06 +0000 | [diff] [blame] | 54 | #ifdef HAVE_NETINET_IN_H |
| 55 | # include <netinet/in.h> |
| 56 | #elif defined HAVE_WINSOCK2_H |
| 57 | # include <winsock2.h> |
| 58 | #endif |
| 59 | |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 60 | #define PRINT_REFERENCE_PACKET 1 |
| 61 | |
jfigus | 857009c | 2014-11-05 11:17:43 -0500 | [diff] [blame^] | 62 | srtp_err_status_t |
Marcus Sundberg | a3f95fe | 2005-09-29 12:48:41 +0000 | [diff] [blame] | 63 | srtp_validate(void); |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 64 | |
jfigus | 857009c | 2014-11-05 11:17:43 -0500 | [diff] [blame^] | 65 | srtp_err_status_t |
Jonathan Lennox | 5df951a | 2010-05-20 20:55:54 +0000 | [diff] [blame] | 66 | srtp_validate_aes_256(void); |
| 67 | |
jfigus | 857009c | 2014-11-05 11:17:43 -0500 | [diff] [blame^] | 68 | srtp_err_status_t |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 69 | srtp_create_big_policy(srtp_policy_t **list); |
| 70 | |
jfigus | 857009c | 2014-11-05 11:17:43 -0500 | [diff] [blame^] | 71 | srtp_err_status_t |
Jonathan Lennox | 80c4c83 | 2010-05-17 19:30:28 +0000 | [diff] [blame] | 72 | srtp_dealloc_big_policy(srtp_policy_t *list); |
| 73 | |
jfigus | 857009c | 2014-11-05 11:17:43 -0500 | [diff] [blame^] | 74 | srtp_err_status_t |
Marcus Sundberg | a3f95fe | 2005-09-29 12:48:41 +0000 | [diff] [blame] | 75 | srtp_test_remove_stream(void); |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 76 | |
| 77 | double |
| 78 | srtp_bits_per_second(int msg_len_octets, const srtp_policy_t *policy); |
| 79 | |
| 80 | double |
| 81 | srtp_rejections_per_second(int msg_len_octets, const srtp_policy_t *policy); |
| 82 | |
| 83 | void |
| 84 | srtp_do_timing(const srtp_policy_t *policy); |
| 85 | |
| 86 | void |
| 87 | srtp_do_rejection_timing(const srtp_policy_t *policy); |
| 88 | |
jfigus | 857009c | 2014-11-05 11:17:43 -0500 | [diff] [blame^] | 89 | srtp_err_status_t |
Marcus Sundberg | a3f95fe | 2005-09-29 12:48:41 +0000 | [diff] [blame] | 90 | srtp_test(const srtp_policy_t *policy); |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 91 | |
jfigus | 857009c | 2014-11-05 11:17:43 -0500 | [diff] [blame^] | 92 | srtp_err_status_t |
David McGrew | 9c70f29 | 2006-05-03 19:38:38 +0000 | [diff] [blame] | 93 | srtcp_test(const srtp_policy_t *policy); |
| 94 | |
jfigus | 857009c | 2014-11-05 11:17:43 -0500 | [diff] [blame^] | 95 | srtp_err_status_t |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 96 | srtp_session_print_policy(srtp_t srtp); |
| 97 | |
jfigus | 857009c | 2014-11-05 11:17:43 -0500 | [diff] [blame^] | 98 | srtp_err_status_t |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 99 | srtp_print_policy(const srtp_policy_t *policy); |
| 100 | |
| 101 | char * |
| 102 | srtp_packet_to_string(srtp_hdr_t *hdr, int packet_len); |
| 103 | |
| 104 | double |
| 105 | mips_estimate(int num_trials, int *ignore); |
| 106 | |
jfigus | 8c36da2 | 2013-10-01 16:41:19 -0400 | [diff] [blame] | 107 | extern uint8_t test_key[46]; |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 108 | |
| 109 | void |
| 110 | usage(char *prog_name) { |
| 111 | printf("usage: %s [ -t ][ -c ][ -v ][-d <debug_module> ]* [ -l ]\n" |
| 112 | " -t run timing test\n" |
| 113 | " -r run rejection timing test\n" |
| 114 | " -c run codec timing test\n" |
| 115 | " -v run validation tests\n" |
| 116 | " -d <mod> turn on debugging module <mod>\n" |
| 117 | " -l list debugging modules\n", prog_name); |
| 118 | exit(1); |
| 119 | } |
| 120 | |
| 121 | /* |
| 122 | * The policy_array is a null-terminated array of policy structs. it |
| 123 | * is declared at the end of this file |
| 124 | */ |
| 125 | |
| 126 | extern const srtp_policy_t *policy_array[]; |
| 127 | |
| 128 | |
| 129 | /* the wildcard_policy is declared below; it has a wildcard ssrc */ |
| 130 | |
| 131 | extern const srtp_policy_t wildcard_policy; |
| 132 | |
| 133 | /* |
| 134 | * mod_driver debug module - debugging module for this test driver |
| 135 | * |
| 136 | * we use the crypto_kernel debugging system in this driver, which |
| 137 | * makes the interface uniform and increases portability |
| 138 | */ |
| 139 | |
| 140 | debug_module_t mod_driver = { |
| 141 | 0, /* debugging is off by default */ |
| 142 | "driver" /* printable name for module */ |
| 143 | }; |
| 144 | |
| 145 | int |
| 146 | main (int argc, char *argv[]) { |
Jonathan Lennox | b4842bf | 2010-05-15 03:55:24 +0000 | [diff] [blame] | 147 | int q; |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 148 | unsigned do_timing_test = 0; |
| 149 | unsigned do_rejection_test = 0; |
| 150 | unsigned do_codec_timing = 0; |
| 151 | unsigned do_validation = 0; |
| 152 | unsigned do_list_mods = 0; |
jfigus | 857009c | 2014-11-05 11:17:43 -0500 | [diff] [blame^] | 153 | srtp_err_status_t status; |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 154 | |
| 155 | /* |
| 156 | * verify that the compiler has interpreted the header data |
| 157 | * structure srtp_hdr_t correctly |
| 158 | */ |
| 159 | if (sizeof(srtp_hdr_t) != 12) { |
David McGrew | 1a2ab2c | 2006-07-12 22:48:44 +0000 | [diff] [blame] | 160 | printf("error: srtp_hdr_t has incorrect size" |
| 161 | "(size is %ld bytes, expected 12)\n", |
Jonathan Lennox | f3132b9 | 2010-05-14 22:54:10 +0000 | [diff] [blame] | 162 | (long)sizeof(srtp_hdr_t)); |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 163 | exit(1); |
| 164 | } |
| 165 | |
| 166 | /* initialize srtp library */ |
| 167 | status = srtp_init(); |
| 168 | if (status) { |
| 169 | printf("error: srtp init failed with error code %d\n", status); |
| 170 | exit(1); |
| 171 | } |
| 172 | |
| 173 | /* load srtp_driver debug module */ |
| 174 | status = crypto_kernel_load_debug_module(&mod_driver); |
| 175 | if (status) { |
| 176 | printf("error: load of srtp_driver debug module failed " |
| 177 | "with error code %d\n", status); |
| 178 | exit(1); |
| 179 | } |
| 180 | |
| 181 | /* process input arguments */ |
| 182 | while (1) { |
David McGrew | 79bd301 | 2006-07-17 20:41:21 +0000 | [diff] [blame] | 183 | q = getopt_s(argc, argv, "trcvld:"); |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 184 | if (q == -1) |
| 185 | break; |
| 186 | switch (q) { |
| 187 | case 't': |
| 188 | do_timing_test = 1; |
| 189 | break; |
| 190 | case 'r': |
| 191 | do_rejection_test = 1; |
| 192 | break; |
| 193 | case 'c': |
| 194 | do_codec_timing = 1; |
| 195 | break; |
| 196 | case 'v': |
| 197 | do_validation = 1; |
| 198 | break; |
| 199 | case 'l': |
| 200 | do_list_mods = 1; |
| 201 | break; |
| 202 | case 'd': |
David McGrew | 79bd301 | 2006-07-17 20:41:21 +0000 | [diff] [blame] | 203 | status = crypto_kernel_set_debug_module(optarg_s, 1); |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 204 | if (status) { |
David McGrew | 79bd301 | 2006-07-17 20:41:21 +0000 | [diff] [blame] | 205 | printf("error: set debug module (%s) failed\n", optarg_s); |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 206 | exit(1); |
| 207 | } |
| 208 | break; |
| 209 | default: |
| 210 | usage(argv[0]); |
| 211 | } |
| 212 | } |
| 213 | |
| 214 | if (!do_validation && !do_timing_test && !do_codec_timing |
| 215 | && !do_list_mods && !do_rejection_test) |
| 216 | usage(argv[0]); |
| 217 | |
| 218 | if (do_list_mods) { |
| 219 | status = crypto_kernel_list_debug_modules(); |
| 220 | if (status) { |
| 221 | printf("error: list of debug modules failed\n"); |
| 222 | exit(1); |
| 223 | } |
| 224 | } |
| 225 | |
| 226 | if (do_validation) { |
| 227 | const srtp_policy_t **policy = policy_array; |
| 228 | srtp_policy_t *big_policy; |
| 229 | |
David McGrew | 9c70f29 | 2006-05-03 19:38:38 +0000 | [diff] [blame] | 230 | /* loop over policy array, testing srtp and srtcp for each policy */ |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 231 | while (*policy != NULL) { |
| 232 | printf("testing srtp_protect and srtp_unprotect\n"); |
jfigus | 857009c | 2014-11-05 11:17:43 -0500 | [diff] [blame^] | 233 | if (srtp_test(*policy) == srtp_err_status_ok) |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 234 | printf("passed\n\n"); |
| 235 | else { |
| 236 | printf("failed\n"); |
| 237 | exit(1); |
| 238 | } |
David McGrew | 9c70f29 | 2006-05-03 19:38:38 +0000 | [diff] [blame] | 239 | printf("testing srtp_protect_rtcp and srtp_unprotect_rtcp\n"); |
jfigus | 857009c | 2014-11-05 11:17:43 -0500 | [diff] [blame^] | 240 | if (srtcp_test(*policy) == srtp_err_status_ok) |
David McGrew | 9c70f29 | 2006-05-03 19:38:38 +0000 | [diff] [blame] | 241 | printf("passed\n\n"); |
| 242 | else { |
| 243 | printf("failed\n"); |
| 244 | exit(1); |
| 245 | } |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 246 | policy++; |
| 247 | } |
| 248 | |
| 249 | /* create a big policy list and run tests on it */ |
| 250 | status = srtp_create_big_policy(&big_policy); |
| 251 | if (status) { |
| 252 | printf("unexpected failure with error code %d\n", status); |
| 253 | exit(1); |
| 254 | } |
| 255 | printf("testing srtp_protect and srtp_unprotect with big policy\n"); |
jfigus | 857009c | 2014-11-05 11:17:43 -0500 | [diff] [blame^] | 256 | if (srtp_test(big_policy) == srtp_err_status_ok) |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 257 | printf("passed\n\n"); |
| 258 | else { |
| 259 | printf("failed\n"); |
| 260 | exit(1); |
| 261 | } |
Jonathan Lennox | 80c4c83 | 2010-05-17 19:30:28 +0000 | [diff] [blame] | 262 | status = srtp_dealloc_big_policy(big_policy); |
| 263 | if (status) { |
| 264 | printf("unexpected failure with error code %d\n", status); |
| 265 | exit(1); |
| 266 | } |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 267 | |
| 268 | /* run test on wildcard policy */ |
| 269 | printf("testing srtp_protect and srtp_unprotect on " |
| 270 | "wildcard ssrc policy\n"); |
jfigus | 857009c | 2014-11-05 11:17:43 -0500 | [diff] [blame^] | 271 | if (srtp_test(&wildcard_policy) == srtp_err_status_ok) |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 272 | printf("passed\n\n"); |
| 273 | else { |
| 274 | printf("failed\n"); |
| 275 | exit(1); |
| 276 | } |
| 277 | |
| 278 | /* |
| 279 | * run validation test against the reference packets - note |
| 280 | * that this test only covers the default policy |
| 281 | */ |
| 282 | printf("testing srtp_protect and srtp_unprotect against " |
| 283 | "reference packets\n"); |
jfigus | 857009c | 2014-11-05 11:17:43 -0500 | [diff] [blame^] | 284 | if (srtp_validate() == srtp_err_status_ok) |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 285 | printf("passed\n\n"); |
| 286 | else { |
| 287 | printf("failed\n"); |
| 288 | exit(1); |
| 289 | } |
| 290 | |
jfigus | a14b5a0 | 2013-03-29 12:24:12 -0400 | [diff] [blame] | 291 | //FIXME: need to get this working with the OpenSSL AES module |
| 292 | #ifndef OPENSSL |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 293 | /* |
Jonathan Lennox | 5df951a | 2010-05-20 20:55:54 +0000 | [diff] [blame] | 294 | * run validation test against the reference packets for |
| 295 | * AES-256 |
| 296 | */ |
| 297 | printf("testing srtp_protect and srtp_unprotect against " |
| 298 | "reference packets (AES-256)\n"); |
jfigus | 857009c | 2014-11-05 11:17:43 -0500 | [diff] [blame^] | 299 | if (srtp_validate_aes_256() == srtp_err_status_ok) |
Jonathan Lennox | 5df951a | 2010-05-20 20:55:54 +0000 | [diff] [blame] | 300 | printf("passed\n\n"); |
| 301 | else { |
| 302 | printf("failed\n"); |
| 303 | exit(1); |
| 304 | } |
jfigus | a14b5a0 | 2013-03-29 12:24:12 -0400 | [diff] [blame] | 305 | #endif |
Jonathan Lennox | 5df951a | 2010-05-20 20:55:54 +0000 | [diff] [blame] | 306 | |
| 307 | /* |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 308 | * test the function srtp_remove_stream() |
| 309 | */ |
| 310 | printf("testing srtp_remove_stream()..."); |
jfigus | 857009c | 2014-11-05 11:17:43 -0500 | [diff] [blame^] | 311 | if (srtp_test_remove_stream() == srtp_err_status_ok) |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 312 | printf("passed\n"); |
| 313 | else { |
| 314 | printf("failed\n"); |
| 315 | exit(1); |
| 316 | } |
| 317 | } |
| 318 | |
| 319 | if (do_timing_test) { |
| 320 | const srtp_policy_t **policy = policy_array; |
| 321 | |
| 322 | /* loop over policies, run timing test for each */ |
| 323 | while (*policy != NULL) { |
| 324 | srtp_print_policy(*policy); |
| 325 | srtp_do_timing(*policy); |
| 326 | policy++; |
| 327 | } |
| 328 | } |
| 329 | |
| 330 | if (do_rejection_test) { |
| 331 | const srtp_policy_t **policy = policy_array; |
| 332 | |
| 333 | /* loop over policies, run rejection timing test for each */ |
| 334 | while (*policy != NULL) { |
| 335 | srtp_print_policy(*policy); |
| 336 | srtp_do_rejection_timing(*policy); |
| 337 | policy++; |
| 338 | } |
| 339 | } |
| 340 | |
| 341 | if (do_codec_timing) { |
| 342 | srtp_policy_t policy; |
| 343 | int ignore; |
| 344 | double mips = mips_estimate(1000000000, &ignore); |
| 345 | |
jfigus | 857009c | 2014-11-05 11:17:43 -0500 | [diff] [blame^] | 346 | srtp_crypto_policy_set_rtp_default(&policy.rtp); |
| 347 | srtp_crypto_policy_set_rtcp_default(&policy.rtcp); |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 348 | policy.ssrc.type = ssrc_specific; |
| 349 | policy.ssrc.value = 0xdecafbad; |
| 350 | policy.key = test_key; |
Jonathan Lennox | a1242f8 | 2010-05-17 21:46:04 +0000 | [diff] [blame] | 351 | policy.ekt = NULL; |
| 352 | policy.window_size = 128; |
Jonathan Lennox | dcee5c6 | 2010-05-17 22:08:40 +0000 | [diff] [blame] | 353 | policy.allow_repeat_tx = 0; |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 354 | policy.next = NULL; |
| 355 | |
| 356 | printf("mips estimate: %e\n", mips); |
| 357 | |
| 358 | printf("testing srtp processing time for voice codecs:\n"); |
| 359 | printf("codec\t\tlength (octets)\t\tsrtp instructions/second\n"); |
| 360 | printf("G.711\t\t%d\t\t\t%e\n", 80, |
| 361 | (double) mips * (80 * 8) / |
| 362 | srtp_bits_per_second(80, &policy) / .01 ); |
| 363 | printf("G.711\t\t%d\t\t\t%e\n", 160, |
| 364 | (double) mips * (160 * 8) / |
| 365 | srtp_bits_per_second(160, &policy) / .02); |
| 366 | printf("G.726-32\t%d\t\t\t%e\n", 40, |
| 367 | (double) mips * (40 * 8) / |
| 368 | srtp_bits_per_second(40, &policy) / .01 ); |
| 369 | printf("G.726-32\t%d\t\t\t%e\n", 80, |
| 370 | (double) mips * (80 * 8) / |
| 371 | srtp_bits_per_second(80, &policy) / .02); |
| 372 | printf("G.729\t\t%d\t\t\t%e\n", 10, |
| 373 | (double) mips * (10 * 8) / |
| 374 | srtp_bits_per_second(10, &policy) / .01 ); |
| 375 | printf("G.729\t\t%d\t\t\t%e\n", 20, |
| 376 | (double) mips * (20 * 8) / |
| 377 | srtp_bits_per_second(20, &policy) / .02 ); |
David McGrew | 9345108 | 2006-09-18 13:41:35 +0000 | [diff] [blame] | 378 | printf("Wideband\t%d\t\t\t%e\n", 320, |
| 379 | (double) mips * (320 * 8) / |
| 380 | srtp_bits_per_second(320, &policy) / .01 ); |
| 381 | printf("Wideband\t%d\t\t\t%e\n", 640, |
| 382 | (double) mips * (640 * 8) / |
| 383 | srtp_bits_per_second(640, &policy) / .02 ); |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 384 | } |
| 385 | |
Jonathan Lennox | dfb3084 | 2010-05-15 04:52:01 +0000 | [diff] [blame] | 386 | status = srtp_shutdown(); |
| 387 | if (status) { |
| 388 | printf("error: srtp shutdown failed with error code %d\n", status); |
| 389 | exit(1); |
| 390 | } |
| 391 | |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 392 | return 0; |
| 393 | } |
| 394 | |
| 395 | |
| 396 | |
| 397 | /* |
| 398 | * srtp_create_test_packet(len, ssrc) returns a pointer to a |
| 399 | * (malloced) example RTP packet whose data field has the length given |
| 400 | * by pkt_octet_len and the SSRC value ssrc. The total length of the |
| 401 | * packet is twelve octets longer, since the header is at the |
| 402 | * beginning. There is room at the end of the packet for a trailer, |
| 403 | * and the four octets following the packet are filled with 0xff |
| 404 | * values to enable testing for overwrites. |
| 405 | * |
| 406 | * note that the location of the test packet can (and should) be |
| 407 | * deallocated with the free() call once it is no longer needed. |
| 408 | */ |
| 409 | |
| 410 | srtp_hdr_t * |
| 411 | srtp_create_test_packet(int pkt_octet_len, uint32_t ssrc) { |
| 412 | int i; |
Marcus Sundberg | 410faaa | 2005-09-29 12:36:43 +0000 | [diff] [blame] | 413 | uint8_t *buffer; |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 414 | srtp_hdr_t *hdr; |
| 415 | int bytes_in_hdr = 12; |
| 416 | |
| 417 | /* allocate memory for test packet */ |
Derek MacDonald | 17127da | 2006-07-12 22:22:08 +0000 | [diff] [blame] | 418 | hdr = (srtp_hdr_t*) malloc(pkt_octet_len + bytes_in_hdr |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 419 | + SRTP_MAX_TRAILER_LEN + 4); |
| 420 | if (!hdr) |
| 421 | return NULL; |
| 422 | |
| 423 | hdr->version = 2; /* RTP version two */ |
| 424 | hdr->p = 0; /* no padding needed */ |
| 425 | hdr->x = 0; /* no header extension */ |
| 426 | hdr->cc = 0; /* no CSRCs */ |
| 427 | hdr->m = 0; /* marker bit */ |
| 428 | hdr->pt = 0xf; /* payload type */ |
| 429 | hdr->seq = htons(0x1234); /* sequence number */ |
| 430 | hdr->ts = htonl(0xdecafbad); /* timestamp */ |
| 431 | hdr->ssrc = htonl(ssrc); /* synch. source */ |
| 432 | |
Marcus Sundberg | 410faaa | 2005-09-29 12:36:43 +0000 | [diff] [blame] | 433 | buffer = (uint8_t *)hdr; |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 434 | buffer += bytes_in_hdr; |
| 435 | |
| 436 | /* set RTP data to 0xab */ |
| 437 | for (i=0; i < pkt_octet_len; i++) |
| 438 | *buffer++ = 0xab; |
| 439 | |
| 440 | /* set post-data value to 0xffff to enable overrun checking */ |
| 441 | for (i=0; i < SRTP_MAX_TRAILER_LEN+4; i++) |
| 442 | *buffer++ = 0xff; |
| 443 | |
| 444 | return hdr; |
| 445 | } |
| 446 | |
| 447 | void |
| 448 | srtp_do_timing(const srtp_policy_t *policy) { |
| 449 | int len; |
| 450 | |
| 451 | /* |
| 452 | * note: the output of this function is formatted so that it |
| 453 | * can be used in gnuplot. '#' indicates a comment, and "\r\n" |
| 454 | * terminates a record |
| 455 | */ |
| 456 | |
| 457 | printf("# testing srtp throughput:\r\n"); |
| 458 | printf("# mesg length (octets)\tthroughput (megabits per second)\r\n"); |
| 459 | |
| 460 | for (len=16; len <= 2048; len *= 2) |
| 461 | printf("%d\t\t\t%f\r\n", len, |
| 462 | srtp_bits_per_second(len, policy) / 1.0E6); |
| 463 | |
| 464 | /* these extra linefeeds let gnuplot know that a dataset is done */ |
| 465 | printf("\r\n\r\n"); |
| 466 | |
| 467 | } |
| 468 | |
| 469 | void |
| 470 | srtp_do_rejection_timing(const srtp_policy_t *policy) { |
| 471 | int len; |
| 472 | |
| 473 | /* |
| 474 | * note: the output of this function is formatted so that it |
| 475 | * can be used in gnuplot. '#' indicates a comment, and "\r\n" |
| 476 | * terminates a record |
| 477 | */ |
| 478 | |
| 479 | printf("# testing srtp rejection throughput:\r\n"); |
| 480 | printf("# mesg length (octets)\trejections per second\r\n"); |
| 481 | |
| 482 | for (len=8; len <= 2048; len *= 2) |
| 483 | printf("%d\t\t\t%e\r\n", len, srtp_rejections_per_second(len, policy)); |
| 484 | |
| 485 | /* these extra linefeeds let gnuplot know that a dataset is done */ |
| 486 | printf("\r\n\r\n"); |
| 487 | |
| 488 | } |
| 489 | |
| 490 | |
| 491 | #define MAX_MSG_LEN 1024 |
| 492 | |
| 493 | double |
| 494 | srtp_bits_per_second(int msg_len_octets, const srtp_policy_t *policy) { |
| 495 | srtp_t srtp; |
| 496 | srtp_hdr_t *mesg; |
| 497 | int i; |
| 498 | clock_t timer; |
| 499 | int num_trials = 100000; |
| 500 | int len; |
| 501 | uint32_t ssrc; |
jfigus | 857009c | 2014-11-05 11:17:43 -0500 | [diff] [blame^] | 502 | srtp_err_status_t status; |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 503 | |
| 504 | /* |
| 505 | * allocate and initialize an srtp session |
| 506 | */ |
| 507 | status = srtp_create(&srtp, policy); |
| 508 | if (status) { |
| 509 | printf("error: srtp_create() failed with error code %d\n", status); |
| 510 | exit(1); |
| 511 | } |
| 512 | |
| 513 | /* |
| 514 | * if the ssrc is unspecified, use a predetermined one |
| 515 | */ |
| 516 | if (policy->ssrc.type != ssrc_specific) { |
| 517 | ssrc = 0xdeadbeef; |
| 518 | } else { |
| 519 | ssrc = policy->ssrc.value; |
| 520 | } |
| 521 | |
| 522 | /* |
| 523 | * create a test packet |
| 524 | */ |
| 525 | mesg = srtp_create_test_packet(msg_len_octets, ssrc); |
| 526 | if (mesg == NULL) |
| 527 | return 0.0; /* indicate failure by returning zero */ |
| 528 | |
| 529 | timer = clock(); |
| 530 | for (i=0; i < num_trials; i++) { |
David McGrew | d2f8de4 | 2006-02-03 19:43:59 +0000 | [diff] [blame] | 531 | len = msg_len_octets + 12; /* add in rtp header length */ |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 532 | |
| 533 | /* srtp protect message */ |
| 534 | status = srtp_protect(srtp, mesg, &len); |
| 535 | if (status) { |
| 536 | printf("error: srtp_protect() failed with error code %d\n", status); |
| 537 | exit(1); |
| 538 | } |
| 539 | |
| 540 | /* increment message number */ |
Jonathan Lennox | 75b3687 | 2010-05-21 00:30:21 +0000 | [diff] [blame] | 541 | { |
| 542 | /* hack sequence to avoid problems with macros for htons/ntohs on some systems */ |
| 543 | short new_seq = ntohs(mesg->seq) + 1; |
| 544 | mesg->seq = htons(new_seq); |
| 545 | } |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 546 | } |
| 547 | timer = clock() - timer; |
| 548 | |
| 549 | free(mesg); |
Jonathan Lennox | 80c4c83 | 2010-05-17 19:30:28 +0000 | [diff] [blame] | 550 | |
| 551 | status = srtp_dealloc(srtp); |
| 552 | if (status) { |
| 553 | printf("error: srtp_dealloc() failed with error code %d\n", status); |
| 554 | exit(1); |
| 555 | } |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 556 | |
| 557 | return (double) (msg_len_octets) * 8 * |
| 558 | num_trials * CLOCKS_PER_SEC / timer; |
| 559 | } |
| 560 | |
| 561 | double |
| 562 | srtp_rejections_per_second(int msg_len_octets, const srtp_policy_t *policy) { |
| 563 | srtp_ctx_t *srtp; |
| 564 | srtp_hdr_t *mesg; |
| 565 | int i; |
| 566 | int len; |
| 567 | clock_t timer; |
| 568 | int num_trials = 1000000; |
| 569 | uint32_t ssrc = policy->ssrc.value; |
jfigus | 857009c | 2014-11-05 11:17:43 -0500 | [diff] [blame^] | 570 | srtp_err_status_t status; |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 571 | |
| 572 | /* |
| 573 | * allocate and initialize an srtp session |
| 574 | */ |
| 575 | status = srtp_create(&srtp, policy); |
| 576 | if (status) { |
| 577 | printf("error: srtp_create() failed with error code %d\n", status); |
| 578 | exit(1); |
| 579 | } |
| 580 | |
| 581 | mesg = srtp_create_test_packet(msg_len_octets, ssrc); |
| 582 | if (mesg == NULL) |
| 583 | return 0.0; /* indicate failure by returning zero */ |
| 584 | |
| 585 | len = msg_len_octets; |
| 586 | srtp_protect(srtp, (srtp_hdr_t *)mesg, &len); |
| 587 | |
| 588 | timer = clock(); |
| 589 | for (i=0; i < num_trials; i++) { |
| 590 | len = msg_len_octets; |
| 591 | srtp_unprotect(srtp, (srtp_hdr_t *)mesg, &len); |
| 592 | } |
| 593 | timer = clock() - timer; |
| 594 | |
| 595 | free(mesg); |
Jonathan Lennox | 80c4c83 | 2010-05-17 19:30:28 +0000 | [diff] [blame] | 596 | |
| 597 | status = srtp_dealloc(srtp); |
| 598 | if (status) { |
| 599 | printf("error: srtp_dealloc() failed with error code %d\n", status); |
| 600 | exit(1); |
| 601 | } |
| 602 | |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 603 | return (double) num_trials * CLOCKS_PER_SEC / timer; |
| 604 | } |
| 605 | |
| 606 | |
| 607 | void |
jfigus | 857009c | 2014-11-05 11:17:43 -0500 | [diff] [blame^] | 608 | err_check(srtp_err_status_t s) { |
| 609 | if (s == srtp_err_status_ok) |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 610 | return; |
| 611 | else |
| 612 | fprintf(stderr, "error: unexpected srtp failure (code %d)\n", s); |
| 613 | exit (1); |
| 614 | } |
| 615 | |
jfigus | 857009c | 2014-11-05 11:17:43 -0500 | [diff] [blame^] | 616 | srtp_err_status_t |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 617 | srtp_test(const srtp_policy_t *policy) { |
| 618 | int i; |
| 619 | srtp_t srtp_sender; |
| 620 | srtp_t srtp_rcvr; |
jfigus | 857009c | 2014-11-05 11:17:43 -0500 | [diff] [blame^] | 621 | srtp_err_status_t status = srtp_err_status_ok; |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 622 | srtp_hdr_t *hdr, *hdr2; |
Marcus Sundberg | 5c40da8 | 2005-10-08 18:15:00 +0000 | [diff] [blame] | 623 | uint8_t hdr_enc[64]; |
Marcus Sundberg | 410faaa | 2005-09-29 12:36:43 +0000 | [diff] [blame] | 624 | uint8_t *pkt_end; |
Marcus Sundberg | 5c40da8 | 2005-10-08 18:15:00 +0000 | [diff] [blame] | 625 | int msg_len_octets, msg_len_enc; |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 626 | int len; |
| 627 | int tag_length = policy->rtp.auth_tag_len; |
| 628 | uint32_t ssrc; |
| 629 | srtp_policy_t *rcvr_policy; |
| 630 | |
| 631 | err_check(srtp_create(&srtp_sender, policy)); |
| 632 | |
| 633 | /* print out policy */ |
| 634 | err_check(srtp_session_print_policy(srtp_sender)); |
| 635 | |
| 636 | /* |
| 637 | * initialize data buffer, using the ssrc in the policy unless that |
| 638 | * value is a wildcard, in which case we'll just use an arbitrary |
| 639 | * one |
| 640 | */ |
| 641 | if (policy->ssrc.type != ssrc_specific) |
| 642 | ssrc = 0xdecafbad; |
| 643 | else |
| 644 | ssrc = policy->ssrc.value; |
| 645 | msg_len_octets = 28; |
| 646 | hdr = srtp_create_test_packet(msg_len_octets, ssrc); |
| 647 | |
| 648 | if (hdr == NULL) |
jfigus | 857009c | 2014-11-05 11:17:43 -0500 | [diff] [blame^] | 649 | return srtp_err_status_alloc_fail; |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 650 | hdr2 = srtp_create_test_packet(msg_len_octets, ssrc); |
| 651 | if (hdr2 == NULL) { |
| 652 | free(hdr); |
jfigus | 857009c | 2014-11-05 11:17:43 -0500 | [diff] [blame^] | 653 | return srtp_err_status_alloc_fail; |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 654 | } |
| 655 | |
| 656 | /* set message length */ |
| 657 | len = msg_len_octets; |
| 658 | |
| 659 | debug_print(mod_driver, "before protection:\n%s", |
| 660 | srtp_packet_to_string(hdr, len)); |
| 661 | |
| 662 | #if PRINT_REFERENCE_PACKET |
| 663 | debug_print(mod_driver, "reference packet before protection:\n%s", |
Marcus Sundberg | 410faaa | 2005-09-29 12:36:43 +0000 | [diff] [blame] | 664 | octet_string_hex_string((uint8_t *)hdr, len)); |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 665 | #endif |
| 666 | err_check(srtp_protect(srtp_sender, hdr, &len)); |
| 667 | |
| 668 | debug_print(mod_driver, "after protection:\n%s", |
| 669 | srtp_packet_to_string(hdr, len)); |
| 670 | #if PRINT_REFERENCE_PACKET |
| 671 | debug_print(mod_driver, "after protection:\n%s", |
Marcus Sundberg | 410faaa | 2005-09-29 12:36:43 +0000 | [diff] [blame] | 672 | octet_string_hex_string((uint8_t *)hdr, len)); |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 673 | #endif |
| 674 | |
Marcus Sundberg | 5c40da8 | 2005-10-08 18:15:00 +0000 | [diff] [blame] | 675 | /* save protected message and length */ |
| 676 | memcpy(hdr_enc, hdr, len); |
| 677 | msg_len_enc = len; |
| 678 | |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 679 | /* |
| 680 | * check for overrun of the srtp_protect() function |
| 681 | * |
| 682 | * The packet is followed by a value of 0xfffff; if the value of the |
| 683 | * data following the packet is different, then we know that the |
| 684 | * protect function is overwriting the end of the packet. |
| 685 | */ |
Marcus Sundberg | 410faaa | 2005-09-29 12:36:43 +0000 | [diff] [blame] | 686 | pkt_end = (uint8_t *)hdr + sizeof(srtp_hdr_t) |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 687 | + msg_len_octets + tag_length; |
| 688 | for (i = 0; i < 4; i++) |
| 689 | if (pkt_end[i] != 0xff) { |
| 690 | fprintf(stdout, "overwrite in srtp_protect() function " |
| 691 | "(expected %x, found %x in trailing octet %d)\n", |
Marcus Sundberg | 410faaa | 2005-09-29 12:36:43 +0000 | [diff] [blame] | 692 | 0xff, ((uint8_t *)hdr)[i], i); |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 693 | free(hdr); |
| 694 | free(hdr2); |
jfigus | 857009c | 2014-11-05 11:17:43 -0500 | [diff] [blame^] | 695 | return srtp_err_status_algo_fail; |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 696 | } |
| 697 | |
| 698 | /* |
| 699 | * if the policy includes confidentiality, check that ciphertext is |
| 700 | * different than plaintext |
| 701 | * |
| 702 | * Note that this check will give false negatives, with some small |
| 703 | * probability, especially if the packets are short. For that |
| 704 | * reason, we skip this check if the plaintext is less than four |
| 705 | * octets long. |
| 706 | */ |
| 707 | if ((policy->rtp.sec_serv & sec_serv_conf) && (msg_len_octets >= 4)) { |
| 708 | printf("testing that ciphertext is distinct from plaintext..."); |
jfigus | 857009c | 2014-11-05 11:17:43 -0500 | [diff] [blame^] | 709 | status = srtp_err_status_algo_fail; |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 710 | for (i=12; i < msg_len_octets+12; i++) |
Marcus Sundberg | 410faaa | 2005-09-29 12:36:43 +0000 | [diff] [blame] | 711 | if (((uint8_t *)hdr)[i] != ((uint8_t *)hdr2)[i]) { |
jfigus | 857009c | 2014-11-05 11:17:43 -0500 | [diff] [blame^] | 712 | status = srtp_err_status_ok; |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 713 | } |
| 714 | if (status) { |
| 715 | printf("failed\n"); |
| 716 | free(hdr); |
| 717 | free(hdr2); |
| 718 | return status; |
| 719 | } |
| 720 | printf("passed\n"); |
| 721 | } |
| 722 | |
| 723 | /* |
| 724 | * if the policy uses a 'wildcard' ssrc, then we need to make a copy |
| 725 | * of the policy that changes the direction to inbound |
| 726 | * |
| 727 | * we always copy the policy into the rcvr_policy, since otherwise |
| 728 | * the compiler would fret about the constness of the policy |
| 729 | */ |
Derek MacDonald | 17127da | 2006-07-12 22:22:08 +0000 | [diff] [blame] | 730 | rcvr_policy = (srtp_policy_t*) malloc(sizeof(srtp_policy_t)); |
Jonathan Lennox | 80c4c83 | 2010-05-17 19:30:28 +0000 | [diff] [blame] | 731 | if (rcvr_policy == NULL) { |
| 732 | free(hdr); |
| 733 | free(hdr2); |
jfigus | 857009c | 2014-11-05 11:17:43 -0500 | [diff] [blame^] | 734 | return srtp_err_status_alloc_fail; |
Jonathan Lennox | 80c4c83 | 2010-05-17 19:30:28 +0000 | [diff] [blame] | 735 | } |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 736 | memcpy(rcvr_policy, policy, sizeof(srtp_policy_t)); |
| 737 | if (policy->ssrc.type == ssrc_any_outbound) { |
| 738 | rcvr_policy->ssrc.type = ssrc_any_inbound; |
| 739 | } |
| 740 | |
| 741 | err_check(srtp_create(&srtp_rcvr, rcvr_policy)); |
| 742 | |
| 743 | err_check(srtp_unprotect(srtp_rcvr, hdr, &len)); |
| 744 | |
| 745 | debug_print(mod_driver, "after unprotection:\n%s", |
| 746 | srtp_packet_to_string(hdr, len)); |
| 747 | |
| 748 | /* verify that the unprotected packet matches the origial one */ |
| 749 | for (i=0; i < msg_len_octets; i++) |
Marcus Sundberg | 410faaa | 2005-09-29 12:36:43 +0000 | [diff] [blame] | 750 | if (((uint8_t *)hdr)[i] != ((uint8_t *)hdr2)[i]) { |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 751 | fprintf(stdout, "mismatch at octet %d\n", i); |
jfigus | 857009c | 2014-11-05 11:17:43 -0500 | [diff] [blame^] | 752 | status = srtp_err_status_algo_fail; |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 753 | } |
| 754 | if (status) { |
| 755 | free(hdr); |
| 756 | free(hdr2); |
Jonathan Lennox | 80c4c83 | 2010-05-17 19:30:28 +0000 | [diff] [blame] | 757 | free(rcvr_policy); |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 758 | return status; |
| 759 | } |
| 760 | |
| 761 | /* |
| 762 | * if the policy includes authentication, then test for false positives |
| 763 | */ |
| 764 | if (policy->rtp.sec_serv & sec_serv_auth) { |
| 765 | char *data = ((char *)hdr) + 12; |
| 766 | |
| 767 | printf("testing for false positives in replay check..."); |
| 768 | |
Marcus Sundberg | 5c40da8 | 2005-10-08 18:15:00 +0000 | [diff] [blame] | 769 | /* set message length */ |
| 770 | len = msg_len_enc; |
| 771 | |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 772 | /* unprotect a second time - should fail with a replay error */ |
Marcus Sundberg | 5c40da8 | 2005-10-08 18:15:00 +0000 | [diff] [blame] | 773 | status = srtp_unprotect(srtp_rcvr, hdr_enc, &len); |
jfigus | 857009c | 2014-11-05 11:17:43 -0500 | [diff] [blame^] | 774 | if (status != srtp_err_status_replay_fail) { |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 775 | printf("failed with error code %d\n", status); |
| 776 | free(hdr); |
| 777 | free(hdr2); |
Jonathan Lennox | 80c4c83 | 2010-05-17 19:30:28 +0000 | [diff] [blame] | 778 | free(rcvr_policy); |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 779 | return status; |
| 780 | } else { |
| 781 | printf("passed\n"); |
| 782 | } |
| 783 | |
| 784 | printf("testing for false positives in auth check..."); |
| 785 | |
| 786 | /* increment sequence number in header */ |
| 787 | hdr->seq++; |
| 788 | |
Marcus Sundberg | 5c40da8 | 2005-10-08 18:15:00 +0000 | [diff] [blame] | 789 | /* set message length */ |
| 790 | len = msg_len_octets; |
| 791 | |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 792 | /* apply protection */ |
| 793 | err_check(srtp_protect(srtp_sender, hdr, &len)); |
| 794 | |
| 795 | /* flip bits in packet */ |
| 796 | data[0] ^= 0xff; |
| 797 | |
| 798 | /* unprotect, and check for authentication failure */ |
| 799 | status = srtp_unprotect(srtp_rcvr, hdr, &len); |
jfigus | 857009c | 2014-11-05 11:17:43 -0500 | [diff] [blame^] | 800 | if (status != srtp_err_status_auth_fail) { |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 801 | printf("failed\n"); |
| 802 | free(hdr); |
| 803 | free(hdr2); |
Jonathan Lennox | 80c4c83 | 2010-05-17 19:30:28 +0000 | [diff] [blame] | 804 | free(rcvr_policy); |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 805 | return status; |
| 806 | } else { |
| 807 | printf("passed\n"); |
| 808 | } |
| 809 | |
| 810 | } |
| 811 | |
| 812 | err_check(srtp_dealloc(srtp_sender)); |
| 813 | err_check(srtp_dealloc(srtp_rcvr)); |
| 814 | |
| 815 | free(hdr); |
| 816 | free(hdr2); |
Jonathan Lennox | 80c4c83 | 2010-05-17 19:30:28 +0000 | [diff] [blame] | 817 | free(rcvr_policy); |
jfigus | 857009c | 2014-11-05 11:17:43 -0500 | [diff] [blame^] | 818 | return srtp_err_status_ok; |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 819 | } |
| 820 | |
| 821 | |
jfigus | 857009c | 2014-11-05 11:17:43 -0500 | [diff] [blame^] | 822 | srtp_err_status_t |
David McGrew | 9c70f29 | 2006-05-03 19:38:38 +0000 | [diff] [blame] | 823 | srtcp_test(const srtp_policy_t *policy) { |
| 824 | int i; |
| 825 | srtp_t srtcp_sender; |
| 826 | srtp_t srtcp_rcvr; |
jfigus | 857009c | 2014-11-05 11:17:43 -0500 | [diff] [blame^] | 827 | srtp_err_status_t status = srtp_err_status_ok; |
David McGrew | 9c70f29 | 2006-05-03 19:38:38 +0000 | [diff] [blame] | 828 | srtp_hdr_t *hdr, *hdr2; |
| 829 | uint8_t hdr_enc[64]; |
| 830 | uint8_t *pkt_end; |
| 831 | int msg_len_octets, msg_len_enc; |
| 832 | int len; |
| 833 | int tag_length = policy->rtp.auth_tag_len; |
| 834 | uint32_t ssrc; |
| 835 | srtp_policy_t *rcvr_policy; |
| 836 | |
| 837 | err_check(srtp_create(&srtcp_sender, policy)); |
| 838 | |
| 839 | /* print out policy */ |
| 840 | err_check(srtp_session_print_policy(srtcp_sender)); |
| 841 | |
| 842 | /* |
| 843 | * initialize data buffer, using the ssrc in the policy unless that |
| 844 | * value is a wildcard, in which case we'll just use an arbitrary |
| 845 | * one |
| 846 | */ |
| 847 | if (policy->ssrc.type != ssrc_specific) |
| 848 | ssrc = 0xdecafbad; |
| 849 | else |
| 850 | ssrc = policy->ssrc.value; |
| 851 | msg_len_octets = 28; |
| 852 | hdr = srtp_create_test_packet(msg_len_octets, ssrc); |
| 853 | |
| 854 | if (hdr == NULL) |
jfigus | 857009c | 2014-11-05 11:17:43 -0500 | [diff] [blame^] | 855 | return srtp_err_status_alloc_fail; |
David McGrew | 9c70f29 | 2006-05-03 19:38:38 +0000 | [diff] [blame] | 856 | hdr2 = srtp_create_test_packet(msg_len_octets, ssrc); |
| 857 | if (hdr2 == NULL) { |
| 858 | free(hdr); |
jfigus | 857009c | 2014-11-05 11:17:43 -0500 | [diff] [blame^] | 859 | return srtp_err_status_alloc_fail; |
David McGrew | 9c70f29 | 2006-05-03 19:38:38 +0000 | [diff] [blame] | 860 | } |
| 861 | |
| 862 | /* set message length */ |
| 863 | len = msg_len_octets; |
| 864 | |
| 865 | debug_print(mod_driver, "before protection:\n%s", |
| 866 | srtp_packet_to_string(hdr, len)); |
| 867 | |
| 868 | #if PRINT_REFERENCE_PACKET |
| 869 | debug_print(mod_driver, "reference packet before protection:\n%s", |
| 870 | octet_string_hex_string((uint8_t *)hdr, len)); |
| 871 | #endif |
| 872 | err_check(srtp_protect_rtcp(srtcp_sender, hdr, &len)); |
| 873 | |
| 874 | debug_print(mod_driver, "after protection:\n%s", |
| 875 | srtp_packet_to_string(hdr, len)); |
| 876 | #if PRINT_REFERENCE_PACKET |
| 877 | debug_print(mod_driver, "after protection:\n%s", |
| 878 | octet_string_hex_string((uint8_t *)hdr, len)); |
| 879 | #endif |
| 880 | |
| 881 | /* save protected message and length */ |
| 882 | memcpy(hdr_enc, hdr, len); |
| 883 | msg_len_enc = len; |
| 884 | |
| 885 | /* |
| 886 | * check for overrun of the srtp_protect() function |
| 887 | * |
| 888 | * The packet is followed by a value of 0xfffff; if the value of the |
| 889 | * data following the packet is different, then we know that the |
| 890 | * protect function is overwriting the end of the packet. |
| 891 | */ |
| 892 | pkt_end = (uint8_t *)hdr + sizeof(srtp_hdr_t) |
| 893 | + msg_len_octets + tag_length; |
| 894 | for (i = 0; i < 4; i++) |
| 895 | if (pkt_end[i] != 0xff) { |
| 896 | fprintf(stdout, "overwrite in srtp_protect_rtcp() function " |
| 897 | "(expected %x, found %x in trailing octet %d)\n", |
| 898 | 0xff, ((uint8_t *)hdr)[i], i); |
| 899 | free(hdr); |
| 900 | free(hdr2); |
jfigus | 857009c | 2014-11-05 11:17:43 -0500 | [diff] [blame^] | 901 | return srtp_err_status_algo_fail; |
David McGrew | 9c70f29 | 2006-05-03 19:38:38 +0000 | [diff] [blame] | 902 | } |
| 903 | |
| 904 | /* |
| 905 | * if the policy includes confidentiality, check that ciphertext is |
| 906 | * different than plaintext |
| 907 | * |
| 908 | * Note that this check will give false negatives, with some small |
| 909 | * probability, especially if the packets are short. For that |
| 910 | * reason, we skip this check if the plaintext is less than four |
| 911 | * octets long. |
| 912 | */ |
| 913 | if ((policy->rtp.sec_serv & sec_serv_conf) && (msg_len_octets >= 4)) { |
| 914 | printf("testing that ciphertext is distinct from plaintext..."); |
jfigus | 857009c | 2014-11-05 11:17:43 -0500 | [diff] [blame^] | 915 | status = srtp_err_status_algo_fail; |
David McGrew | 9c70f29 | 2006-05-03 19:38:38 +0000 | [diff] [blame] | 916 | for (i=12; i < msg_len_octets+12; i++) |
| 917 | if (((uint8_t *)hdr)[i] != ((uint8_t *)hdr2)[i]) { |
jfigus | 857009c | 2014-11-05 11:17:43 -0500 | [diff] [blame^] | 918 | status = srtp_err_status_ok; |
David McGrew | 9c70f29 | 2006-05-03 19:38:38 +0000 | [diff] [blame] | 919 | } |
| 920 | if (status) { |
| 921 | printf("failed\n"); |
| 922 | free(hdr); |
| 923 | free(hdr2); |
| 924 | return status; |
| 925 | } |
| 926 | printf("passed\n"); |
| 927 | } |
| 928 | |
| 929 | /* |
| 930 | * if the policy uses a 'wildcard' ssrc, then we need to make a copy |
| 931 | * of the policy that changes the direction to inbound |
| 932 | * |
| 933 | * we always copy the policy into the rcvr_policy, since otherwise |
| 934 | * the compiler would fret about the constness of the policy |
| 935 | */ |
Derek MacDonald | 17127da | 2006-07-12 22:22:08 +0000 | [diff] [blame] | 936 | rcvr_policy = (srtp_policy_t*) malloc(sizeof(srtp_policy_t)); |
David McGrew | 9c70f29 | 2006-05-03 19:38:38 +0000 | [diff] [blame] | 937 | if (rcvr_policy == NULL) |
jfigus | 857009c | 2014-11-05 11:17:43 -0500 | [diff] [blame^] | 938 | return srtp_err_status_alloc_fail; |
David McGrew | 9c70f29 | 2006-05-03 19:38:38 +0000 | [diff] [blame] | 939 | memcpy(rcvr_policy, policy, sizeof(srtp_policy_t)); |
| 940 | if (policy->ssrc.type == ssrc_any_outbound) { |
| 941 | rcvr_policy->ssrc.type = ssrc_any_inbound; |
| 942 | } |
| 943 | |
| 944 | err_check(srtp_create(&srtcp_rcvr, rcvr_policy)); |
| 945 | |
| 946 | err_check(srtp_unprotect_rtcp(srtcp_rcvr, hdr, &len)); |
| 947 | |
| 948 | debug_print(mod_driver, "after unprotection:\n%s", |
| 949 | srtp_packet_to_string(hdr, len)); |
| 950 | |
| 951 | /* verify that the unprotected packet matches the origial one */ |
| 952 | for (i=0; i < msg_len_octets; i++) |
| 953 | if (((uint8_t *)hdr)[i] != ((uint8_t *)hdr2)[i]) { |
| 954 | fprintf(stdout, "mismatch at octet %d\n", i); |
jfigus | 857009c | 2014-11-05 11:17:43 -0500 | [diff] [blame^] | 955 | status = srtp_err_status_algo_fail; |
David McGrew | 9c70f29 | 2006-05-03 19:38:38 +0000 | [diff] [blame] | 956 | } |
| 957 | if (status) { |
| 958 | free(hdr); |
| 959 | free(hdr2); |
Jonathan Lennox | 80c4c83 | 2010-05-17 19:30:28 +0000 | [diff] [blame] | 960 | free(rcvr_policy); |
David McGrew | 9c70f29 | 2006-05-03 19:38:38 +0000 | [diff] [blame] | 961 | return status; |
| 962 | } |
| 963 | |
| 964 | /* |
| 965 | * if the policy includes authentication, then test for false positives |
| 966 | */ |
| 967 | if (policy->rtp.sec_serv & sec_serv_auth) { |
| 968 | char *data = ((char *)hdr) + 12; |
| 969 | |
| 970 | printf("testing for false positives in replay check..."); |
| 971 | |
| 972 | /* set message length */ |
| 973 | len = msg_len_enc; |
| 974 | |
| 975 | /* unprotect a second time - should fail with a replay error */ |
| 976 | status = srtp_unprotect_rtcp(srtcp_rcvr, hdr_enc, &len); |
jfigus | 857009c | 2014-11-05 11:17:43 -0500 | [diff] [blame^] | 977 | if (status != srtp_err_status_replay_fail) { |
David McGrew | 9c70f29 | 2006-05-03 19:38:38 +0000 | [diff] [blame] | 978 | printf("failed with error code %d\n", status); |
| 979 | free(hdr); |
| 980 | free(hdr2); |
Jonathan Lennox | 80c4c83 | 2010-05-17 19:30:28 +0000 | [diff] [blame] | 981 | free(rcvr_policy); |
David McGrew | 9c70f29 | 2006-05-03 19:38:38 +0000 | [diff] [blame] | 982 | return status; |
| 983 | } else { |
| 984 | printf("passed\n"); |
| 985 | } |
| 986 | |
| 987 | printf("testing for false positives in auth check..."); |
| 988 | |
| 989 | /* increment sequence number in header */ |
| 990 | hdr->seq++; |
| 991 | |
| 992 | /* set message length */ |
| 993 | len = msg_len_octets; |
| 994 | |
| 995 | /* apply protection */ |
| 996 | err_check(srtp_protect_rtcp(srtcp_sender, hdr, &len)); |
| 997 | |
| 998 | /* flip bits in packet */ |
| 999 | data[0] ^= 0xff; |
| 1000 | |
| 1001 | /* unprotect, and check for authentication failure */ |
| 1002 | status = srtp_unprotect_rtcp(srtcp_rcvr, hdr, &len); |
jfigus | 857009c | 2014-11-05 11:17:43 -0500 | [diff] [blame^] | 1003 | if (status != srtp_err_status_auth_fail) { |
David McGrew | 9c70f29 | 2006-05-03 19:38:38 +0000 | [diff] [blame] | 1004 | printf("failed\n"); |
| 1005 | free(hdr); |
| 1006 | free(hdr2); |
Jonathan Lennox | 80c4c83 | 2010-05-17 19:30:28 +0000 | [diff] [blame] | 1007 | free(rcvr_policy); |
David McGrew | 9c70f29 | 2006-05-03 19:38:38 +0000 | [diff] [blame] | 1008 | return status; |
| 1009 | } else { |
| 1010 | printf("passed\n"); |
| 1011 | } |
| 1012 | |
| 1013 | } |
| 1014 | |
| 1015 | err_check(srtp_dealloc(srtcp_sender)); |
| 1016 | err_check(srtp_dealloc(srtcp_rcvr)); |
| 1017 | |
| 1018 | free(hdr); |
| 1019 | free(hdr2); |
Jonathan Lennox | 80c4c83 | 2010-05-17 19:30:28 +0000 | [diff] [blame] | 1020 | free(rcvr_policy); |
jfigus | 857009c | 2014-11-05 11:17:43 -0500 | [diff] [blame^] | 1021 | return srtp_err_status_ok; |
David McGrew | 9c70f29 | 2006-05-03 19:38:38 +0000 | [diff] [blame] | 1022 | } |
| 1023 | |
| 1024 | |
jfigus | 857009c | 2014-11-05 11:17:43 -0500 | [diff] [blame^] | 1025 | srtp_err_status_t |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 1026 | srtp_session_print_policy(srtp_t srtp) { |
| 1027 | char *serv_descr[4] = { |
| 1028 | "none", |
| 1029 | "confidentiality", |
| 1030 | "authentication", |
| 1031 | "confidentiality and authentication" |
| 1032 | }; |
| 1033 | char *direction[3] = { |
| 1034 | "unknown", |
| 1035 | "outbound", |
| 1036 | "inbound" |
| 1037 | }; |
| 1038 | srtp_stream_t stream; |
| 1039 | |
| 1040 | /* sanity checking */ |
| 1041 | if (srtp == NULL) |
jfigus | 857009c | 2014-11-05 11:17:43 -0500 | [diff] [blame^] | 1042 | return srtp_err_status_fail; |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 1043 | |
| 1044 | /* if there's a template stream, print it out */ |
| 1045 | if (srtp->stream_template != NULL) { |
| 1046 | stream = srtp->stream_template; |
| 1047 | printf("# SSRC: any %s\r\n" |
| 1048 | "# rtp cipher: %s\r\n" |
| 1049 | "# rtp auth: %s\r\n" |
| 1050 | "# rtp services: %s\r\n" |
| 1051 | "# rtcp cipher: %s\r\n" |
| 1052 | "# rtcp auth: %s\r\n" |
Jonathan Lennox | a1242f8 | 2010-05-17 21:46:04 +0000 | [diff] [blame] | 1053 | "# rtcp services: %s\r\n" |
Jonathan Lennox | dcee5c6 | 2010-05-17 22:08:40 +0000 | [diff] [blame] | 1054 | "# window size: %lu\r\n" |
| 1055 | "# tx rtx allowed:%s\r\n", |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 1056 | direction[stream->direction], |
| 1057 | stream->rtp_cipher->type->description, |
| 1058 | stream->rtp_auth->type->description, |
| 1059 | serv_descr[stream->rtp_services], |
| 1060 | stream->rtcp_cipher->type->description, |
| 1061 | stream->rtcp_auth->type->description, |
Jonathan Lennox | a1242f8 | 2010-05-17 21:46:04 +0000 | [diff] [blame] | 1062 | serv_descr[stream->rtcp_services], |
Jonathan Lennox | dcee5c6 | 2010-05-17 22:08:40 +0000 | [diff] [blame] | 1063 | rdbx_get_window_size(&stream->rtp_rdbx), |
| 1064 | stream->allow_repeat_tx ? "true" : "false"); |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 1065 | } |
| 1066 | |
| 1067 | /* loop over streams in session, printing the policy of each */ |
| 1068 | stream = srtp->stream_list; |
| 1069 | while (stream != NULL) { |
| 1070 | if (stream->rtp_services > sec_serv_conf_and_auth) |
jfigus | 857009c | 2014-11-05 11:17:43 -0500 | [diff] [blame^] | 1071 | return srtp_err_status_bad_param; |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 1072 | |
| 1073 | printf("# SSRC: 0x%08x\r\n" |
| 1074 | "# rtp cipher: %s\r\n" |
| 1075 | "# rtp auth: %s\r\n" |
| 1076 | "# rtp services: %s\r\n" |
| 1077 | "# rtcp cipher: %s\r\n" |
| 1078 | "# rtcp auth: %s\r\n" |
Jonathan Lennox | a1242f8 | 2010-05-17 21:46:04 +0000 | [diff] [blame] | 1079 | "# rtcp services: %s\r\n" |
Jonathan Lennox | dcee5c6 | 2010-05-17 22:08:40 +0000 | [diff] [blame] | 1080 | "# window size: %lu\r\n" |
| 1081 | "# tx rtx allowed:%s\r\n", |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 1082 | stream->ssrc, |
| 1083 | stream->rtp_cipher->type->description, |
| 1084 | stream->rtp_auth->type->description, |
| 1085 | serv_descr[stream->rtp_services], |
| 1086 | stream->rtcp_cipher->type->description, |
| 1087 | stream->rtcp_auth->type->description, |
Jonathan Lennox | a1242f8 | 2010-05-17 21:46:04 +0000 | [diff] [blame] | 1088 | serv_descr[stream->rtcp_services], |
Jonathan Lennox | dcee5c6 | 2010-05-17 22:08:40 +0000 | [diff] [blame] | 1089 | rdbx_get_window_size(&stream->rtp_rdbx), |
| 1090 | stream->allow_repeat_tx ? "true" : "false"); |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 1091 | |
| 1092 | /* advance to next stream in the list */ |
| 1093 | stream = stream->next; |
| 1094 | } |
jfigus | 857009c | 2014-11-05 11:17:43 -0500 | [diff] [blame^] | 1095 | return srtp_err_status_ok; |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 1096 | } |
| 1097 | |
jfigus | 857009c | 2014-11-05 11:17:43 -0500 | [diff] [blame^] | 1098 | srtp_err_status_t |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 1099 | srtp_print_policy(const srtp_policy_t *policy) { |
jfigus | 857009c | 2014-11-05 11:17:43 -0500 | [diff] [blame^] | 1100 | srtp_err_status_t status; |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 1101 | srtp_t session; |
| 1102 | |
| 1103 | status = srtp_create(&session, policy); |
| 1104 | if (status) |
| 1105 | return status; |
| 1106 | status = srtp_session_print_policy(session); |
| 1107 | if (status) |
| 1108 | return status; |
| 1109 | status = srtp_dealloc(session); |
| 1110 | if (status) |
| 1111 | return status; |
jfigus | 857009c | 2014-11-05 11:17:43 -0500 | [diff] [blame^] | 1112 | return srtp_err_status_ok; |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 1113 | } |
| 1114 | |
| 1115 | /* |
| 1116 | * srtp_print_packet(...) is for debugging only |
| 1117 | * it prints an RTP packet to the stdout |
| 1118 | * |
| 1119 | * note that this function is *not* threadsafe |
| 1120 | */ |
| 1121 | |
| 1122 | #include <stdio.h> |
| 1123 | |
| 1124 | #define MTU 2048 |
| 1125 | |
| 1126 | char packet_string[MTU]; |
| 1127 | |
| 1128 | char * |
| 1129 | srtp_packet_to_string(srtp_hdr_t *hdr, int pkt_octet_len) { |
| 1130 | int octets_in_rtp_header = 12; |
Marcus Sundberg | 410faaa | 2005-09-29 12:36:43 +0000 | [diff] [blame] | 1131 | uint8_t *data = ((uint8_t *)hdr)+octets_in_rtp_header; |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 1132 | int hex_len = pkt_octet_len-octets_in_rtp_header; |
| 1133 | |
| 1134 | /* sanity checking */ |
| 1135 | if ((hdr == NULL) || (pkt_octet_len > MTU)) |
| 1136 | return NULL; |
| 1137 | |
| 1138 | /* write packet into string */ |
| 1139 | sprintf(packet_string, |
| 1140 | "(s)rtp packet: {\n" |
| 1141 | " version:\t%d\n" |
| 1142 | " p:\t\t%d\n" |
| 1143 | " x:\t\t%d\n" |
| 1144 | " cc:\t\t%d\n" |
| 1145 | " m:\t\t%d\n" |
| 1146 | " pt:\t\t%x\n" |
| 1147 | " seq:\t\t%x\n" |
| 1148 | " ts:\t\t%x\n" |
| 1149 | " ssrc:\t%x\n" |
| 1150 | " data:\t%s\n" |
| 1151 | "} (%d octets in total)\n", |
| 1152 | hdr->version, |
| 1153 | hdr->p, |
| 1154 | hdr->x, |
| 1155 | hdr->cc, |
| 1156 | hdr->m, |
| 1157 | hdr->pt, |
| 1158 | hdr->seq, |
| 1159 | hdr->ts, |
| 1160 | hdr->ssrc, |
| 1161 | octet_string_hex_string(data, hex_len), |
| 1162 | pkt_octet_len); |
| 1163 | |
| 1164 | return packet_string; |
| 1165 | } |
| 1166 | |
| 1167 | /* |
| 1168 | * mips_estimate() is a simple function to estimate the number of |
| 1169 | * instructions per second that the host can perform. note that this |
| 1170 | * function can be grossly wrong; you may want to have a manual sanity |
| 1171 | * check of its output! |
| 1172 | * |
| 1173 | * the 'ignore' pointer is there to convince the compiler to not just |
| 1174 | * optimize away the function |
| 1175 | */ |
| 1176 | |
| 1177 | double |
| 1178 | mips_estimate(int num_trials, int *ignore) { |
| 1179 | clock_t t; |
Jonathan Lennox | 3355493 | 2010-05-15 04:53:10 +0000 | [diff] [blame] | 1180 | volatile int i, sum; |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 1181 | |
| 1182 | sum = 0; |
| 1183 | t = clock(); |
| 1184 | for (i=0; i<num_trials; i++) |
| 1185 | sum += i; |
| 1186 | t = clock() - t; |
| 1187 | |
| 1188 | /* printf("%d\n", sum); */ |
| 1189 | *ignore = sum; |
| 1190 | |
| 1191 | return (double) num_trials * CLOCKS_PER_SEC / t; |
| 1192 | } |
| 1193 | |
| 1194 | |
| 1195 | /* |
| 1196 | * srtp_validate() verifies the correctness of libsrtp by comparing |
| 1197 | * some computed packets against some pre-computed reference values. |
| 1198 | * These packets were made with the default SRTP policy. |
| 1199 | */ |
| 1200 | |
| 1201 | |
jfigus | 857009c | 2014-11-05 11:17:43 -0500 | [diff] [blame^] | 1202 | srtp_err_status_t |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 1203 | srtp_validate() { |
Marcus Sundberg | 410faaa | 2005-09-29 12:36:43 +0000 | [diff] [blame] | 1204 | uint8_t srtp_plaintext_ref[28] = { |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 1205 | 0x80, 0x0f, 0x12, 0x34, 0xde, 0xca, 0xfb, 0xad, |
| 1206 | 0xca, 0xfe, 0xba, 0xbe, 0xab, 0xab, 0xab, 0xab, |
| 1207 | 0xab, 0xab, 0xab, 0xab, 0xab, 0xab, 0xab, 0xab, |
| 1208 | 0xab, 0xab, 0xab, 0xab |
| 1209 | }; |
Marcus Sundberg | 410faaa | 2005-09-29 12:36:43 +0000 | [diff] [blame] | 1210 | uint8_t srtp_plaintext[38] = { |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 1211 | 0x80, 0x0f, 0x12, 0x34, 0xde, 0xca, 0xfb, 0xad, |
| 1212 | 0xca, 0xfe, 0xba, 0xbe, 0xab, 0xab, 0xab, 0xab, |
| 1213 | 0xab, 0xab, 0xab, 0xab, 0xab, 0xab, 0xab, 0xab, |
| 1214 | 0xab, 0xab, 0xab, 0xab, 0x00, 0x00, 0x00, 0x00, |
| 1215 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 |
| 1216 | }; |
Marcus Sundberg | 410faaa | 2005-09-29 12:36:43 +0000 | [diff] [blame] | 1217 | uint8_t srtp_ciphertext[38] = { |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 1218 | 0x80, 0x0f, 0x12, 0x34, 0xde, 0xca, 0xfb, 0xad, |
| 1219 | 0xca, 0xfe, 0xba, 0xbe, 0x4e, 0x55, 0xdc, 0x4c, |
| 1220 | 0xe7, 0x99, 0x78, 0xd8, 0x8c, 0xa4, 0xd2, 0x15, |
| 1221 | 0x94, 0x9d, 0x24, 0x02, 0xb7, 0x8d, 0x6a, 0xcc, |
| 1222 | 0x99, 0xea, 0x17, 0x9b, 0x8d, 0xbb |
| 1223 | }; |
| 1224 | srtp_t srtp_snd, srtp_recv; |
jfigus | 857009c | 2014-11-05 11:17:43 -0500 | [diff] [blame^] | 1225 | srtp_err_status_t status; |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 1226 | int len; |
| 1227 | srtp_policy_t policy; |
| 1228 | |
| 1229 | /* |
| 1230 | * create a session with a single stream using the default srtp |
| 1231 | * policy and with the SSRC value 0xcafebabe |
| 1232 | */ |
jfigus | 857009c | 2014-11-05 11:17:43 -0500 | [diff] [blame^] | 1233 | srtp_crypto_policy_set_rtp_default(&policy.rtp); |
| 1234 | srtp_crypto_policy_set_rtcp_default(&policy.rtcp); |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 1235 | policy.ssrc.type = ssrc_specific; |
| 1236 | policy.ssrc.value = 0xcafebabe; |
| 1237 | policy.key = test_key; |
Jonathan Lennox | a1242f8 | 2010-05-17 21:46:04 +0000 | [diff] [blame] | 1238 | policy.ekt = NULL; |
| 1239 | policy.window_size = 128; |
Jonathan Lennox | dcee5c6 | 2010-05-17 22:08:40 +0000 | [diff] [blame] | 1240 | policy.allow_repeat_tx = 0; |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 1241 | policy.next = NULL; |
| 1242 | |
| 1243 | status = srtp_create(&srtp_snd, &policy); |
| 1244 | if (status) |
| 1245 | return status; |
| 1246 | |
| 1247 | /* |
| 1248 | * protect plaintext, then compare with ciphertext |
| 1249 | */ |
| 1250 | len = 28; |
| 1251 | status = srtp_protect(srtp_snd, srtp_plaintext, &len); |
| 1252 | if (status || (len != 38)) |
jfigus | 857009c | 2014-11-05 11:17:43 -0500 | [diff] [blame^] | 1253 | return srtp_err_status_fail; |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 1254 | |
| 1255 | debug_print(mod_driver, "ciphertext:\n %s", |
| 1256 | octet_string_hex_string(srtp_plaintext, len)); |
| 1257 | debug_print(mod_driver, "ciphertext reference:\n %s", |
| 1258 | octet_string_hex_string(srtp_ciphertext, len)); |
| 1259 | |
| 1260 | if (octet_string_is_eq(srtp_plaintext, srtp_ciphertext, len)) |
jfigus | 857009c | 2014-11-05 11:17:43 -0500 | [diff] [blame^] | 1261 | return srtp_err_status_fail; |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 1262 | |
| 1263 | /* |
| 1264 | * create a receiver session context comparable to the one created |
| 1265 | * above - we need to do this so that the replay checking doesn't |
| 1266 | * complain |
| 1267 | */ |
| 1268 | status = srtp_create(&srtp_recv, &policy); |
| 1269 | if (status) |
| 1270 | return status; |
| 1271 | |
| 1272 | /* |
| 1273 | * unprotect ciphertext, then compare with plaintext |
| 1274 | */ |
| 1275 | status = srtp_unprotect(srtp_recv, srtp_ciphertext, &len); |
| 1276 | if (status || (len != 28)) |
| 1277 | return status; |
| 1278 | |
| 1279 | if (octet_string_is_eq(srtp_ciphertext, srtp_plaintext_ref, len)) |
jfigus | 857009c | 2014-11-05 11:17:43 -0500 | [diff] [blame^] | 1280 | return srtp_err_status_fail; |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 1281 | |
Jonathan Lennox | 80c4c83 | 2010-05-17 19:30:28 +0000 | [diff] [blame] | 1282 | status = srtp_dealloc(srtp_snd); |
| 1283 | if (status) |
| 1284 | return status; |
| 1285 | |
| 1286 | status = srtp_dealloc(srtp_recv); |
| 1287 | if (status) |
| 1288 | return status; |
| 1289 | |
jfigus | 857009c | 2014-11-05 11:17:43 -0500 | [diff] [blame^] | 1290 | return srtp_err_status_ok; |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 1291 | } |
| 1292 | |
| 1293 | |
Jonathan Lennox | 5df951a | 2010-05-20 20:55:54 +0000 | [diff] [blame] | 1294 | /* |
| 1295 | * srtp_validate_aes_256() verifies the correctness of libsrtp by comparing |
| 1296 | * some computed packets against some pre-computed reference values. |
| 1297 | * These packets were made with the AES-CM-256/HMAC-SHA-1-80 policy. |
| 1298 | */ |
| 1299 | |
| 1300 | |
jfigus | 857009c | 2014-11-05 11:17:43 -0500 | [diff] [blame^] | 1301 | srtp_err_status_t |
Jonathan Lennox | 5df951a | 2010-05-20 20:55:54 +0000 | [diff] [blame] | 1302 | srtp_validate_aes_256() { |
Jonathan Lennox | 75b3687 | 2010-05-21 00:30:21 +0000 | [diff] [blame] | 1303 | unsigned char aes_256_test_key[46] = { |
Jonathan Lennox | 5df951a | 2010-05-20 20:55:54 +0000 | [diff] [blame] | 1304 | 0xf0, 0xf0, 0x49, 0x14, 0xb5, 0x13, 0xf2, 0x76, |
| 1305 | 0x3a, 0x1b, 0x1f, 0xa1, 0x30, 0xf1, 0x0e, 0x29, |
| 1306 | 0x98, 0xf6, 0xf6, 0xe4, 0x3e, 0x43, 0x09, 0xd1, |
| 1307 | 0xe6, 0x22, 0xa0, 0xe3, 0x32, 0xb9, 0xf1, 0xb6, |
| 1308 | |
| 1309 | 0x3b, 0x04, 0x80, 0x3d, 0xe5, 0x1e, 0xe7, 0xc9, |
| 1310 | 0x64, 0x23, 0xab, 0x5b, 0x78, 0xd2 |
| 1311 | }; |
| 1312 | uint8_t srtp_plaintext_ref[28] = { |
| 1313 | 0x80, 0x0f, 0x12, 0x34, 0xde, 0xca, 0xfb, 0xad, |
| 1314 | 0xca, 0xfe, 0xba, 0xbe, 0xab, 0xab, 0xab, 0xab, |
| 1315 | 0xab, 0xab, 0xab, 0xab, 0xab, 0xab, 0xab, 0xab, |
| 1316 | 0xab, 0xab, 0xab, 0xab |
| 1317 | }; |
| 1318 | uint8_t srtp_plaintext[38] = { |
| 1319 | 0x80, 0x0f, 0x12, 0x34, 0xde, 0xca, 0xfb, 0xad, |
| 1320 | 0xca, 0xfe, 0xba, 0xbe, 0xab, 0xab, 0xab, 0xab, |
| 1321 | 0xab, 0xab, 0xab, 0xab, 0xab, 0xab, 0xab, 0xab, |
| 1322 | 0xab, 0xab, 0xab, 0xab, 0x00, 0x00, 0x00, 0x00, |
| 1323 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 |
| 1324 | }; |
| 1325 | uint8_t srtp_ciphertext[38] = { |
| 1326 | 0x80, 0x0f, 0x12, 0x34, 0xde, 0xca, 0xfb, 0xad, |
| 1327 | 0xca, 0xfe, 0xba, 0xbe, 0xf1, 0xd9, 0xde, 0x17, |
| 1328 | 0xff, 0x25, 0x1f, 0xf1, 0xaa, 0x00, 0x77, 0x74, |
| 1329 | 0xb0, 0xb4, 0xb4, 0x0d, 0xa0, 0x8d, 0x9d, 0x9a, |
| 1330 | 0x5b, 0x3a, 0x55, 0xd8, 0x87, 0x3b |
| 1331 | }; |
| 1332 | srtp_t srtp_snd, srtp_recv; |
jfigus | 857009c | 2014-11-05 11:17:43 -0500 | [diff] [blame^] | 1333 | srtp_err_status_t status; |
Jonathan Lennox | 5df951a | 2010-05-20 20:55:54 +0000 | [diff] [blame] | 1334 | int len; |
| 1335 | srtp_policy_t policy; |
| 1336 | |
| 1337 | /* |
| 1338 | * create a session with a single stream using the default srtp |
| 1339 | * policy and with the SSRC value 0xcafebabe |
| 1340 | */ |
jfigus | 857009c | 2014-11-05 11:17:43 -0500 | [diff] [blame^] | 1341 | srtp_crypto_policy_set_aes_cm_256_hmac_sha1_80(&policy.rtp); |
| 1342 | srtp_crypto_policy_set_aes_cm_256_hmac_sha1_80(&policy.rtcp); |
Jonathan Lennox | 5df951a | 2010-05-20 20:55:54 +0000 | [diff] [blame] | 1343 | policy.ssrc.type = ssrc_specific; |
| 1344 | policy.ssrc.value = 0xcafebabe; |
Jonathan Lennox | 75b3687 | 2010-05-21 00:30:21 +0000 | [diff] [blame] | 1345 | policy.key = aes_256_test_key; |
Jonathan Lennox | 5df951a | 2010-05-20 20:55:54 +0000 | [diff] [blame] | 1346 | policy.ekt = NULL; |
| 1347 | policy.window_size = 128; |
| 1348 | policy.allow_repeat_tx = 0; |
| 1349 | policy.next = NULL; |
| 1350 | |
| 1351 | status = srtp_create(&srtp_snd, &policy); |
| 1352 | if (status) |
| 1353 | return status; |
| 1354 | |
| 1355 | /* |
| 1356 | * protect plaintext, then compare with ciphertext |
| 1357 | */ |
| 1358 | len = 28; |
| 1359 | status = srtp_protect(srtp_snd, srtp_plaintext, &len); |
| 1360 | if (status || (len != 38)) |
jfigus | 857009c | 2014-11-05 11:17:43 -0500 | [diff] [blame^] | 1361 | return srtp_err_status_fail; |
Jonathan Lennox | 5df951a | 2010-05-20 20:55:54 +0000 | [diff] [blame] | 1362 | |
| 1363 | debug_print(mod_driver, "ciphertext:\n %s", |
| 1364 | octet_string_hex_string(srtp_plaintext, len)); |
| 1365 | debug_print(mod_driver, "ciphertext reference:\n %s", |
| 1366 | octet_string_hex_string(srtp_ciphertext, len)); |
| 1367 | |
| 1368 | if (octet_string_is_eq(srtp_plaintext, srtp_ciphertext, len)) |
jfigus | 857009c | 2014-11-05 11:17:43 -0500 | [diff] [blame^] | 1369 | return srtp_err_status_fail; |
Jonathan Lennox | 5df951a | 2010-05-20 20:55:54 +0000 | [diff] [blame] | 1370 | |
| 1371 | /* |
| 1372 | * create a receiver session context comparable to the one created |
| 1373 | * above - we need to do this so that the replay checking doesn't |
| 1374 | * complain |
| 1375 | */ |
| 1376 | status = srtp_create(&srtp_recv, &policy); |
| 1377 | if (status) |
| 1378 | return status; |
| 1379 | |
| 1380 | /* |
| 1381 | * unprotect ciphertext, then compare with plaintext |
| 1382 | */ |
| 1383 | status = srtp_unprotect(srtp_recv, srtp_ciphertext, &len); |
| 1384 | if (status || (len != 28)) |
| 1385 | return status; |
| 1386 | |
| 1387 | if (octet_string_is_eq(srtp_ciphertext, srtp_plaintext_ref, len)) |
jfigus | 857009c | 2014-11-05 11:17:43 -0500 | [diff] [blame^] | 1388 | return srtp_err_status_fail; |
Jonathan Lennox | 5df951a | 2010-05-20 20:55:54 +0000 | [diff] [blame] | 1389 | |
| 1390 | status = srtp_dealloc(srtp_snd); |
| 1391 | if (status) |
| 1392 | return status; |
| 1393 | |
| 1394 | status = srtp_dealloc(srtp_recv); |
| 1395 | if (status) |
| 1396 | return status; |
| 1397 | |
jfigus | 857009c | 2014-11-05 11:17:43 -0500 | [diff] [blame^] | 1398 | return srtp_err_status_ok; |
Jonathan Lennox | 5df951a | 2010-05-20 20:55:54 +0000 | [diff] [blame] | 1399 | } |
| 1400 | |
| 1401 | |
jfigus | 857009c | 2014-11-05 11:17:43 -0500 | [diff] [blame^] | 1402 | srtp_err_status_t |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 1403 | srtp_create_big_policy(srtp_policy_t **list) { |
| 1404 | extern const srtp_policy_t *policy_array[]; |
| 1405 | srtp_policy_t *p, *tmp; |
| 1406 | int i = 0; |
| 1407 | uint32_t ssrc = 0; |
| 1408 | |
| 1409 | /* sanity checking */ |
| 1410 | if ((list == NULL) || (policy_array[0] == NULL)) |
jfigus | 857009c | 2014-11-05 11:17:43 -0500 | [diff] [blame^] | 1411 | return srtp_err_status_bad_param; |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 1412 | |
| 1413 | /* |
| 1414 | * loop over policy list, mallocing a new list and copying values |
| 1415 | * into it (and incrementing the SSRC value as we go along) |
| 1416 | */ |
| 1417 | tmp = NULL; |
| 1418 | while (policy_array[i] != NULL) { |
Derek MacDonald | 17127da | 2006-07-12 22:22:08 +0000 | [diff] [blame] | 1419 | p = (srtp_policy_t*) malloc(sizeof(srtp_policy_t)); |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 1420 | if (p == NULL) |
jfigus | 857009c | 2014-11-05 11:17:43 -0500 | [diff] [blame^] | 1421 | return srtp_err_status_bad_param; |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 1422 | memcpy(p, policy_array[i], sizeof(srtp_policy_t)); |
| 1423 | p->ssrc.type = ssrc_specific; |
| 1424 | p->ssrc.value = ssrc++; |
| 1425 | p->next = tmp; |
| 1426 | tmp = p; |
| 1427 | i++; |
| 1428 | } |
| 1429 | *list = p; |
| 1430 | |
jfigus | 857009c | 2014-11-05 11:17:43 -0500 | [diff] [blame^] | 1431 | return srtp_err_status_ok; |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 1432 | } |
| 1433 | |
jfigus | 857009c | 2014-11-05 11:17:43 -0500 | [diff] [blame^] | 1434 | srtp_err_status_t |
Jonathan Lennox | 80c4c83 | 2010-05-17 19:30:28 +0000 | [diff] [blame] | 1435 | srtp_dealloc_big_policy(srtp_policy_t *list) { |
| 1436 | srtp_policy_t *p, *next; |
| 1437 | |
| 1438 | for (p = list; p != NULL; p = next) { |
| 1439 | next = p->next; |
| 1440 | free(p); |
| 1441 | } |
| 1442 | |
jfigus | 857009c | 2014-11-05 11:17:43 -0500 | [diff] [blame^] | 1443 | return srtp_err_status_ok; |
Jonathan Lennox | 80c4c83 | 2010-05-17 19:30:28 +0000 | [diff] [blame] | 1444 | } |
| 1445 | |
| 1446 | |
jfigus | 857009c | 2014-11-05 11:17:43 -0500 | [diff] [blame^] | 1447 | srtp_err_status_t |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 1448 | srtp_test_remove_stream() { |
jfigus | 857009c | 2014-11-05 11:17:43 -0500 | [diff] [blame^] | 1449 | srtp_err_status_t status; |
Jonathan Lennox | ad741b2 | 2010-05-27 19:23:05 +0000 | [diff] [blame] | 1450 | srtp_policy_t *policy_list, policy; |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 1451 | srtp_t session; |
| 1452 | srtp_stream_t stream; |
| 1453 | /* |
| 1454 | * srtp_get_stream() is a libSRTP internal function that we declare |
| 1455 | * here so that we can use it to verify the correct operation of the |
| 1456 | * library |
| 1457 | */ |
| 1458 | extern srtp_stream_t srtp_get_stream(srtp_t srtp, uint32_t ssrc); |
| 1459 | |
| 1460 | |
| 1461 | status = srtp_create_big_policy(&policy_list); |
| 1462 | if (status) |
| 1463 | return status; |
| 1464 | |
| 1465 | status = srtp_create(&session, policy_list); |
| 1466 | if (status) |
| 1467 | return status; |
| 1468 | |
| 1469 | /* |
| 1470 | * check for false positives by trying to remove a stream that's not |
| 1471 | * in the session |
| 1472 | */ |
| 1473 | status = srtp_remove_stream(session, htonl(0xaaaaaaaa)); |
jfigus | 857009c | 2014-11-05 11:17:43 -0500 | [diff] [blame^] | 1474 | if (status != srtp_err_status_no_ctx) |
| 1475 | return srtp_err_status_fail; |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 1476 | |
| 1477 | /* |
| 1478 | * check for false negatives by removing stream 0x1, then |
| 1479 | * searching for streams 0x0 and 0x2 |
| 1480 | */ |
| 1481 | status = srtp_remove_stream(session, htonl(0x1)); |
jfigus | 857009c | 2014-11-05 11:17:43 -0500 | [diff] [blame^] | 1482 | if (status != srtp_err_status_ok) |
| 1483 | return srtp_err_status_fail; |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 1484 | stream = srtp_get_stream(session, htonl(0x0)); |
| 1485 | if (stream == NULL) |
jfigus | 857009c | 2014-11-05 11:17:43 -0500 | [diff] [blame^] | 1486 | return srtp_err_status_fail; |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 1487 | stream = srtp_get_stream(session, htonl(0x2)); |
| 1488 | if (stream == NULL) |
jfigus | 857009c | 2014-11-05 11:17:43 -0500 | [diff] [blame^] | 1489 | return srtp_err_status_fail; |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 1490 | |
Jonathan Lennox | 80c4c83 | 2010-05-17 19:30:28 +0000 | [diff] [blame] | 1491 | status = srtp_dealloc(session); |
jfigus | 857009c | 2014-11-05 11:17:43 -0500 | [diff] [blame^] | 1492 | if (status != srtp_err_status_ok) |
Jonathan Lennox | 80c4c83 | 2010-05-17 19:30:28 +0000 | [diff] [blame] | 1493 | return status; |
| 1494 | |
| 1495 | status = srtp_dealloc_big_policy(policy_list); |
jfigus | 857009c | 2014-11-05 11:17:43 -0500 | [diff] [blame^] | 1496 | if (status != srtp_err_status_ok) |
Jonathan Lennox | 80c4c83 | 2010-05-17 19:30:28 +0000 | [diff] [blame] | 1497 | return status; |
| 1498 | |
Jonathan Lennox | ad741b2 | 2010-05-27 19:23:05 +0000 | [diff] [blame] | 1499 | /* Now test adding and removing a single stream */ |
jfigus | 857009c | 2014-11-05 11:17:43 -0500 | [diff] [blame^] | 1500 | srtp_crypto_policy_set_rtp_default(&policy.rtp); |
| 1501 | srtp_crypto_policy_set_rtcp_default(&policy.rtcp); |
Jonathan Lennox | ad741b2 | 2010-05-27 19:23:05 +0000 | [diff] [blame] | 1502 | policy.ssrc.type = ssrc_specific; |
| 1503 | policy.ssrc.value = 0xcafebabe; |
| 1504 | policy.key = test_key; |
| 1505 | policy.ekt = NULL; |
| 1506 | policy.window_size = 128; |
| 1507 | policy.allow_repeat_tx = 0; |
| 1508 | policy.next = NULL; |
| 1509 | |
| 1510 | status = srtp_create(&session, NULL); |
jfigus | 857009c | 2014-11-05 11:17:43 -0500 | [diff] [blame^] | 1511 | if (status != srtp_err_status_ok) |
Jonathan Lennox | ad741b2 | 2010-05-27 19:23:05 +0000 | [diff] [blame] | 1512 | return status; |
| 1513 | |
| 1514 | status = srtp_add_stream(session, &policy); |
jfigus | 857009c | 2014-11-05 11:17:43 -0500 | [diff] [blame^] | 1515 | if (status != srtp_err_status_ok) |
Jonathan Lennox | ad741b2 | 2010-05-27 19:23:05 +0000 | [diff] [blame] | 1516 | return status; |
| 1517 | |
| 1518 | status = srtp_remove_stream(session, htonl(0xcafebabe)); |
jfigus | 857009c | 2014-11-05 11:17:43 -0500 | [diff] [blame^] | 1519 | if (status != srtp_err_status_ok) |
Jonathan Lennox | ad741b2 | 2010-05-27 19:23:05 +0000 | [diff] [blame] | 1520 | return status; |
| 1521 | |
| 1522 | status = srtp_dealloc(session); |
jfigus | 857009c | 2014-11-05 11:17:43 -0500 | [diff] [blame^] | 1523 | if (status != srtp_err_status_ok) |
Jonathan Lennox | ad741b2 | 2010-05-27 19:23:05 +0000 | [diff] [blame] | 1524 | return status; |
| 1525 | |
jfigus | 857009c | 2014-11-05 11:17:43 -0500 | [diff] [blame^] | 1526 | return srtp_err_status_ok; |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 1527 | } |
| 1528 | |
| 1529 | /* |
| 1530 | * srtp policy definitions - these definitions are used above |
| 1531 | */ |
| 1532 | |
jfigus | 8c36da2 | 2013-10-01 16:41:19 -0400 | [diff] [blame] | 1533 | unsigned char test_key[46] = { |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 1534 | 0xe1, 0xf9, 0x7a, 0x0d, 0x3e, 0x01, 0x8b, 0xe0, |
| 1535 | 0xd6, 0x4f, 0xa3, 0x2c, 0x06, 0xde, 0x41, 0x39, |
| 1536 | 0x0e, 0xc6, 0x75, 0xad, 0x49, 0x8a, 0xfe, 0xeb, |
jfigus | 8c36da2 | 2013-10-01 16:41:19 -0400 | [diff] [blame] | 1537 | 0xb6, 0x96, 0x0b, 0x3a, 0xab, 0xe6, 0xc1, 0x73, |
| 1538 | 0xc3, 0x17, 0xf2, 0xda, 0xbe, 0x35, 0x77, 0x93, |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 1539 | 0xb6, 0x96, 0x0b, 0x3a, 0xab, 0xe6 |
| 1540 | }; |
| 1541 | |
| 1542 | |
| 1543 | const srtp_policy_t default_policy = { |
| 1544 | { ssrc_any_outbound, 0 }, /* SSRC */ |
| 1545 | { /* SRTP policy */ |
| 1546 | AES_128_ICM, /* cipher type */ |
| 1547 | 30, /* cipher key length in octets */ |
| 1548 | HMAC_SHA1, /* authentication func type */ |
| 1549 | 16, /* auth key length in octets */ |
| 1550 | 10, /* auth tag length in octets */ |
| 1551 | sec_serv_conf_and_auth /* security services flag */ |
| 1552 | }, |
| 1553 | { /* SRTCP policy */ |
| 1554 | AES_128_ICM, /* cipher type */ |
| 1555 | 30, /* cipher key length in octets */ |
| 1556 | HMAC_SHA1, /* authentication func type */ |
| 1557 | 16, /* auth key length in octets */ |
| 1558 | 10, /* auth tag length in octets */ |
| 1559 | sec_serv_conf_and_auth /* security services flag */ |
| 1560 | }, |
| 1561 | test_key, |
David McGrew | 79870d6 | 2007-06-15 18:17:39 +0000 | [diff] [blame] | 1562 | NULL, /* indicates that EKT is not in use */ |
Jonathan Lennox | a1242f8 | 2010-05-17 21:46:04 +0000 | [diff] [blame] | 1563 | 128, /* replay window size */ |
Jonathan Lennox | dcee5c6 | 2010-05-17 22:08:40 +0000 | [diff] [blame] | 1564 | 0, /* retransmission not allowed */ |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 1565 | NULL |
| 1566 | }; |
| 1567 | |
| 1568 | const srtp_policy_t aes_tmmh_policy = { |
| 1569 | { ssrc_any_outbound, 0 }, /* SSRC */ |
| 1570 | { |
| 1571 | AES_128_ICM, /* cipher type */ |
| 1572 | 30, /* cipher key length in octets */ |
| 1573 | UST_TMMHv2, /* authentication func type */ |
| 1574 | 94, /* auth key length in octets */ |
| 1575 | 4, /* auth tag length in octets */ |
| 1576 | sec_serv_conf_and_auth /* security services flag */ |
| 1577 | }, |
| 1578 | { |
| 1579 | AES_128_ICM, /* cipher type */ |
| 1580 | 30, /* cipher key length in octets */ |
| 1581 | UST_TMMHv2, /* authentication func type */ |
| 1582 | 94, /* auth key length in octets */ |
| 1583 | 4, /* auth tag length in octets */ |
| 1584 | sec_serv_conf_and_auth /* security services flag */ |
| 1585 | }, |
| 1586 | test_key, |
David McGrew | 79870d6 | 2007-06-15 18:17:39 +0000 | [diff] [blame] | 1587 | NULL, /* indicates that EKT is not in use */ |
Jonathan Lennox | a1242f8 | 2010-05-17 21:46:04 +0000 | [diff] [blame] | 1588 | 128, /* replay window size */ |
Jonathan Lennox | dcee5c6 | 2010-05-17 22:08:40 +0000 | [diff] [blame] | 1589 | 0, /* retransmission not allowed */ |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 1590 | NULL |
| 1591 | }; |
| 1592 | |
| 1593 | const srtp_policy_t tmmh_only_policy = { |
| 1594 | { ssrc_any_outbound, 0 }, /* SSRC */ |
| 1595 | { |
| 1596 | AES_128_ICM, /* cipher type */ |
| 1597 | 30, /* cipher key length in octets */ |
| 1598 | UST_TMMHv2, /* authentication func type */ |
| 1599 | 94, /* auth key length in octets */ |
| 1600 | 4, /* auth tag length in octets */ |
| 1601 | sec_serv_auth /* security services flag */ |
| 1602 | }, |
| 1603 | { |
| 1604 | AES_128_ICM, /* cipher type */ |
| 1605 | 30, /* cipher key length in octets */ |
| 1606 | UST_TMMHv2, /* authentication func type */ |
| 1607 | 94, /* auth key length in octets */ |
| 1608 | 4, /* auth tag length in octets */ |
| 1609 | sec_serv_auth /* security services flag */ |
| 1610 | }, |
| 1611 | test_key, |
David McGrew | 79870d6 | 2007-06-15 18:17:39 +0000 | [diff] [blame] | 1612 | NULL, /* indicates that EKT is not in use */ |
Jonathan Lennox | a1242f8 | 2010-05-17 21:46:04 +0000 | [diff] [blame] | 1613 | 128, /* replay window size */ |
Jonathan Lennox | dcee5c6 | 2010-05-17 22:08:40 +0000 | [diff] [blame] | 1614 | 0, /* retransmission not allowed */ |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 1615 | NULL |
| 1616 | }; |
| 1617 | |
| 1618 | const srtp_policy_t aes_only_policy = { |
| 1619 | { ssrc_any_outbound, 0 }, /* SSRC */ |
| 1620 | { |
| 1621 | AES_128_ICM, /* cipher type */ |
| 1622 | 30, /* cipher key length in octets */ |
| 1623 | NULL_AUTH, /* authentication func type */ |
| 1624 | 0, /* auth key length in octets */ |
| 1625 | 0, /* auth tag length in octets */ |
| 1626 | sec_serv_conf /* security services flag */ |
| 1627 | }, |
| 1628 | { |
| 1629 | AES_128_ICM, /* cipher type */ |
| 1630 | 30, /* cipher key length in octets */ |
| 1631 | NULL_AUTH, /* authentication func type */ |
| 1632 | 0, /* auth key length in octets */ |
| 1633 | 0, /* auth tag length in octets */ |
| 1634 | sec_serv_conf /* security services flag */ |
| 1635 | }, |
| 1636 | test_key, |
David McGrew | 79870d6 | 2007-06-15 18:17:39 +0000 | [diff] [blame] | 1637 | NULL, /* indicates that EKT is not in use */ |
Jonathan Lennox | a1242f8 | 2010-05-17 21:46:04 +0000 | [diff] [blame] | 1638 | 128, /* replay window size */ |
Jonathan Lennox | dcee5c6 | 2010-05-17 22:08:40 +0000 | [diff] [blame] | 1639 | 0, /* retransmission not allowed */ |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 1640 | NULL |
| 1641 | }; |
| 1642 | |
| 1643 | const srtp_policy_t hmac_only_policy = { |
| 1644 | { ssrc_any_outbound, 0 }, /* SSRC */ |
| 1645 | { |
| 1646 | NULL_CIPHER, /* cipher type */ |
| 1647 | 0, /* cipher key length in octets */ |
| 1648 | HMAC_SHA1, /* authentication func type */ |
| 1649 | 20, /* auth key length in octets */ |
| 1650 | 4, /* auth tag length in octets */ |
| 1651 | sec_serv_auth /* security services flag */ |
| 1652 | }, |
| 1653 | { |
| 1654 | NULL_CIPHER, /* cipher type */ |
| 1655 | 0, /* cipher key length in octets */ |
| 1656 | HMAC_SHA1, /* authentication func type */ |
| 1657 | 20, /* auth key length in octets */ |
| 1658 | 4, /* auth tag length in octets */ |
| 1659 | sec_serv_auth /* security services flag */ |
| 1660 | }, |
| 1661 | test_key, |
David McGrew | 79870d6 | 2007-06-15 18:17:39 +0000 | [diff] [blame] | 1662 | NULL, /* indicates that EKT is not in use */ |
Jonathan Lennox | a1242f8 | 2010-05-17 21:46:04 +0000 | [diff] [blame] | 1663 | 128, /* replay window size */ |
Jonathan Lennox | dcee5c6 | 2010-05-17 22:08:40 +0000 | [diff] [blame] | 1664 | 0, /* retransmission not allowed */ |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 1665 | NULL |
| 1666 | }; |
| 1667 | |
jfigus | 8c36da2 | 2013-10-01 16:41:19 -0400 | [diff] [blame] | 1668 | #ifdef OPENSSL |
| 1669 | const srtp_policy_t aes128_gcm_8_policy = { |
| 1670 | { ssrc_any_outbound, 0 }, /* SSRC */ |
| 1671 | { /* SRTP policy */ |
| 1672 | AES_128_GCM, /* cipher type */ |
jfigus | 857009c | 2014-11-05 11:17:43 -0500 | [diff] [blame^] | 1673 | SRTP_AES_128_GCM_KEYSIZE_WSALT, /* cipher key length in octets */ |
jfigus | 8c36da2 | 2013-10-01 16:41:19 -0400 | [diff] [blame] | 1674 | NULL_AUTH, /* authentication func type */ |
| 1675 | 0, /* auth key length in octets */ |
| 1676 | 8, /* auth tag length in octets */ |
| 1677 | sec_serv_conf_and_auth /* security services flag */ |
| 1678 | }, |
| 1679 | { /* SRTCP policy */ |
| 1680 | AES_128_GCM, /* cipher type */ |
jfigus | 857009c | 2014-11-05 11:17:43 -0500 | [diff] [blame^] | 1681 | SRTP_AES_128_GCM_KEYSIZE_WSALT, /* cipher key length in octets */ |
jfigus | 8c36da2 | 2013-10-01 16:41:19 -0400 | [diff] [blame] | 1682 | NULL_AUTH, /* authentication func type */ |
| 1683 | 0, /* auth key length in octets */ |
| 1684 | 8, /* auth tag length in octets */ |
| 1685 | sec_serv_conf_and_auth /* security services flag */ |
| 1686 | }, |
| 1687 | test_key, |
| 1688 | NULL, /* indicates that EKT is not in use */ |
| 1689 | 128, /* replay window size */ |
| 1690 | 0, /* retransmission not allowed */ |
| 1691 | NULL |
| 1692 | }; |
| 1693 | |
| 1694 | const srtp_policy_t aes128_gcm_8_cauth_policy = { |
| 1695 | { ssrc_any_outbound, 0 }, /* SSRC */ |
| 1696 | { /* SRTP policy */ |
| 1697 | AES_128_GCM, /* cipher type */ |
jfigus | 857009c | 2014-11-05 11:17:43 -0500 | [diff] [blame^] | 1698 | SRTP_AES_128_GCM_KEYSIZE_WSALT, /* cipher key length in octets */ |
jfigus | 8c36da2 | 2013-10-01 16:41:19 -0400 | [diff] [blame] | 1699 | NULL_AUTH, /* authentication func type */ |
| 1700 | 0, /* auth key length in octets */ |
| 1701 | 8, /* auth tag length in octets */ |
| 1702 | sec_serv_conf_and_auth /* security services flag */ |
| 1703 | }, |
| 1704 | { /* SRTCP policy */ |
| 1705 | AES_128_GCM, /* cipher type */ |
jfigus | 857009c | 2014-11-05 11:17:43 -0500 | [diff] [blame^] | 1706 | SRTP_AES_128_GCM_KEYSIZE_WSALT, /* cipher key length in octets */ |
jfigus | 8c36da2 | 2013-10-01 16:41:19 -0400 | [diff] [blame] | 1707 | NULL_AUTH, /* authentication func type */ |
| 1708 | 0, /* auth key length in octets */ |
| 1709 | 8, /* auth tag length in octets */ |
| 1710 | sec_serv_auth /* security services flag */ |
| 1711 | }, |
| 1712 | test_key, |
| 1713 | NULL, /* indicates that EKT is not in use */ |
| 1714 | 128, /* replay window size */ |
| 1715 | 0, /* retransmission not allowed */ |
| 1716 | NULL |
| 1717 | }; |
| 1718 | |
| 1719 | const srtp_policy_t aes256_gcm_8_policy = { |
| 1720 | { ssrc_any_outbound, 0 }, /* SSRC */ |
| 1721 | { /* SRTP policy */ |
| 1722 | AES_256_GCM, /* cipher type */ |
jfigus | 857009c | 2014-11-05 11:17:43 -0500 | [diff] [blame^] | 1723 | SRTP_AES_256_GCM_KEYSIZE_WSALT, /* cipher key length in octets */ |
jfigus | 8c36da2 | 2013-10-01 16:41:19 -0400 | [diff] [blame] | 1724 | NULL_AUTH, /* authentication func type */ |
| 1725 | 0, /* auth key length in octets */ |
| 1726 | 8, /* auth tag length in octets */ |
| 1727 | sec_serv_conf_and_auth /* security services flag */ |
| 1728 | }, |
| 1729 | { /* SRTCP policy */ |
| 1730 | AES_256_GCM, /* cipher type */ |
jfigus | 857009c | 2014-11-05 11:17:43 -0500 | [diff] [blame^] | 1731 | SRTP_AES_256_GCM_KEYSIZE_WSALT, /* cipher key length in octets */ |
jfigus | 8c36da2 | 2013-10-01 16:41:19 -0400 | [diff] [blame] | 1732 | NULL_AUTH, /* authentication func type */ |
| 1733 | 0, /* auth key length in octets */ |
| 1734 | 8, /* auth tag length in octets */ |
| 1735 | sec_serv_conf_and_auth /* security services flag */ |
| 1736 | }, |
| 1737 | test_key, |
| 1738 | NULL, /* indicates that EKT is not in use */ |
| 1739 | 128, /* replay window size */ |
| 1740 | 0, /* retransmission not allowed */ |
| 1741 | NULL |
| 1742 | }; |
| 1743 | |
| 1744 | const srtp_policy_t aes256_gcm_8_cauth_policy = { |
| 1745 | { ssrc_any_outbound, 0 }, /* SSRC */ |
| 1746 | { /* SRTP policy */ |
| 1747 | AES_256_GCM, /* cipher type */ |
jfigus | 857009c | 2014-11-05 11:17:43 -0500 | [diff] [blame^] | 1748 | SRTP_AES_256_GCM_KEYSIZE_WSALT, /* cipher key length in octets */ |
jfigus | 8c36da2 | 2013-10-01 16:41:19 -0400 | [diff] [blame] | 1749 | NULL_AUTH, /* authentication func type */ |
| 1750 | 0, /* auth key length in octets */ |
| 1751 | 8, /* auth tag length in octets */ |
| 1752 | sec_serv_conf_and_auth /* security services flag */ |
| 1753 | }, |
| 1754 | { /* SRTCP policy */ |
| 1755 | AES_256_GCM, /* cipher type */ |
jfigus | 857009c | 2014-11-05 11:17:43 -0500 | [diff] [blame^] | 1756 | SRTP_AES_256_GCM_KEYSIZE_WSALT, /* cipher key length in octets */ |
jfigus | 8c36da2 | 2013-10-01 16:41:19 -0400 | [diff] [blame] | 1757 | NULL_AUTH, /* authentication func type */ |
| 1758 | 0, /* auth key length in octets */ |
| 1759 | 8, /* auth tag length in octets */ |
| 1760 | sec_serv_auth /* security services flag */ |
| 1761 | }, |
| 1762 | test_key, |
| 1763 | NULL, /* indicates that EKT is not in use */ |
| 1764 | 128, /* replay window size */ |
| 1765 | 0, /* retransmission not allowed */ |
| 1766 | NULL |
| 1767 | }; |
| 1768 | #endif |
| 1769 | |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 1770 | const srtp_policy_t null_policy = { |
| 1771 | { ssrc_any_outbound, 0 }, /* SSRC */ |
| 1772 | { |
| 1773 | NULL_CIPHER, /* cipher type */ |
| 1774 | 0, /* cipher key length in octets */ |
| 1775 | NULL_AUTH, /* authentication func type */ |
| 1776 | 0, /* auth key length in octets */ |
| 1777 | 0, /* auth tag length in octets */ |
| 1778 | sec_serv_none /* security services flag */ |
| 1779 | }, |
| 1780 | { |
| 1781 | NULL_CIPHER, /* cipher type */ |
| 1782 | 0, /* cipher key length in octets */ |
| 1783 | NULL_AUTH, /* authentication func type */ |
| 1784 | 0, /* auth key length in octets */ |
| 1785 | 0, /* auth tag length in octets */ |
| 1786 | sec_serv_none /* security services flag */ |
| 1787 | }, |
| 1788 | test_key, |
David McGrew | 79870d6 | 2007-06-15 18:17:39 +0000 | [diff] [blame] | 1789 | NULL, /* indicates that EKT is not in use */ |
Jonathan Lennox | a1242f8 | 2010-05-17 21:46:04 +0000 | [diff] [blame] | 1790 | 128, /* replay window size */ |
Jonathan Lennox | dcee5c6 | 2010-05-17 22:08:40 +0000 | [diff] [blame] | 1791 | 0, /* retransmission not allowed */ |
David McGrew | 79870d6 | 2007-06-15 18:17:39 +0000 | [diff] [blame] | 1792 | NULL |
| 1793 | }; |
| 1794 | |
Jonathan Lennox | 5df951a | 2010-05-20 20:55:54 +0000 | [diff] [blame] | 1795 | unsigned char test_256_key[46] = { |
| 1796 | 0xf0, 0xf0, 0x49, 0x14, 0xb5, 0x13, 0xf2, 0x76, |
| 1797 | 0x3a, 0x1b, 0x1f, 0xa1, 0x30, 0xf1, 0x0e, 0x29, |
| 1798 | 0x98, 0xf6, 0xf6, 0xe4, 0x3e, 0x43, 0x09, 0xd1, |
| 1799 | 0xe6, 0x22, 0xa0, 0xe3, 0x32, 0xb9, 0xf1, 0xb6, |
| 1800 | |
| 1801 | 0x3b, 0x04, 0x80, 0x3d, 0xe5, 0x1e, 0xe7, 0xc9, |
| 1802 | 0x64, 0x23, 0xab, 0x5b, 0x78, 0xd2 |
| 1803 | }; |
| 1804 | |
| 1805 | const srtp_policy_t aes_256_hmac_policy = { |
| 1806 | { ssrc_any_outbound, 0 }, /* SSRC */ |
| 1807 | { /* SRTP policy */ |
| 1808 | AES_ICM, /* cipher type */ |
| 1809 | 46, /* cipher key length in octets */ |
| 1810 | HMAC_SHA1, /* authentication func type */ |
| 1811 | 20, /* auth key length in octets */ |
| 1812 | 10, /* auth tag length in octets */ |
| 1813 | sec_serv_conf_and_auth /* security services flag */ |
| 1814 | }, |
| 1815 | { /* SRTCP policy */ |
| 1816 | AES_ICM, /* cipher type */ |
| 1817 | 46, /* cipher key length in octets */ |
| 1818 | HMAC_SHA1, /* authentication func type */ |
| 1819 | 20, /* auth key length in octets */ |
| 1820 | 10, /* auth tag length in octets */ |
| 1821 | sec_serv_conf_and_auth /* security services flag */ |
| 1822 | }, |
| 1823 | test_256_key, |
| 1824 | NULL, /* indicates that EKT is not in use */ |
| 1825 | 128, /* replay window size */ |
| 1826 | 0, /* retransmission not allowed */ |
| 1827 | NULL |
| 1828 | }; |
| 1829 | |
David McGrew | 79870d6 | 2007-06-15 18:17:39 +0000 | [diff] [blame] | 1830 | uint8_t ekt_test_key[16] = { |
| 1831 | 0x77, 0x26, 0x9d, 0xac, 0x16, 0xa3, 0x28, 0xca, |
| 1832 | 0x8e, 0xc9, 0x68, 0x4b, 0xcc, 0xc4, 0xd2, 0x1b |
| 1833 | }; |
| 1834 | |
| 1835 | #include "ekt.h" |
| 1836 | |
| 1837 | ekt_policy_ctx_t ekt_test_policy = { |
| 1838 | 0xa5a5, /* SPI */ |
| 1839 | EKT_CIPHER_AES_128_ECB, |
| 1840 | ekt_test_key, |
| 1841 | NULL |
| 1842 | }; |
| 1843 | |
| 1844 | const srtp_policy_t hmac_only_with_ekt_policy = { |
| 1845 | { ssrc_any_outbound, 0 }, /* SSRC */ |
| 1846 | { |
| 1847 | NULL_CIPHER, /* cipher type */ |
| 1848 | 0, /* cipher key length in octets */ |
| 1849 | HMAC_SHA1, /* authentication func type */ |
| 1850 | 20, /* auth key length in octets */ |
| 1851 | 4, /* auth tag length in octets */ |
| 1852 | sec_serv_auth /* security services flag */ |
| 1853 | }, |
| 1854 | { |
| 1855 | NULL_CIPHER, /* cipher type */ |
| 1856 | 0, /* cipher key length in octets */ |
| 1857 | HMAC_SHA1, /* authentication func type */ |
| 1858 | 20, /* auth key length in octets */ |
| 1859 | 4, /* auth tag length in octets */ |
| 1860 | sec_serv_auth /* security services flag */ |
| 1861 | }, |
| 1862 | test_key, |
| 1863 | &ekt_test_policy, /* indicates that EKT is not in use */ |
Jonathan Lennox | a1242f8 | 2010-05-17 21:46:04 +0000 | [diff] [blame] | 1864 | 128, /* replay window size */ |
Jonathan Lennox | dcee5c6 | 2010-05-17 22:08:40 +0000 | [diff] [blame] | 1865 | 0, /* retransmission not allowed */ |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 1866 | NULL |
| 1867 | }; |
| 1868 | |
| 1869 | |
| 1870 | /* |
| 1871 | * an array of pointers to the policies listed above |
| 1872 | * |
| 1873 | * This array is used to test various aspects of libSRTP for |
| 1874 | * different cryptographic policies. The order of the elements |
| 1875 | * matters - the timing test generates output that can be used |
| 1876 | * in a plot (see the gnuplot script file 'timing'). If you |
| 1877 | * add to this list, you should do it at the end. |
| 1878 | */ |
| 1879 | |
| 1880 | #define USE_TMMH 0 |
| 1881 | |
| 1882 | const srtp_policy_t * |
| 1883 | policy_array[] = { |
| 1884 | &hmac_only_policy, |
| 1885 | #if USE_TMMH |
| 1886 | &tmmh_only_policy, |
| 1887 | #endif |
| 1888 | &aes_only_policy, |
| 1889 | #if USE_TMMH |
| 1890 | &aes_tmmh_policy, |
| 1891 | #endif |
| 1892 | &default_policy, |
jfigus | 8c36da2 | 2013-10-01 16:41:19 -0400 | [diff] [blame] | 1893 | #ifdef OPENSSL |
| 1894 | &aes128_gcm_8_policy, |
| 1895 | &aes128_gcm_8_cauth_policy, |
| 1896 | &aes256_gcm_8_policy, |
| 1897 | &aes256_gcm_8_cauth_policy, |
| 1898 | #endif |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 1899 | &null_policy, |
Jonathan Lennox | 5df951a | 2010-05-20 20:55:54 +0000 | [diff] [blame] | 1900 | &aes_256_hmac_policy, |
David McGrew | 79870d6 | 2007-06-15 18:17:39 +0000 | [diff] [blame] | 1901 | &hmac_only_with_ekt_policy, |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 1902 | NULL |
| 1903 | }; |
| 1904 | |
| 1905 | const srtp_policy_t wildcard_policy = { |
| 1906 | { ssrc_any_outbound, 0 }, /* SSRC */ |
| 1907 | { /* SRTP policy */ |
| 1908 | AES_128_ICM, /* cipher type */ |
| 1909 | 30, /* cipher key length in octets */ |
| 1910 | HMAC_SHA1, /* authentication func type */ |
| 1911 | 16, /* auth key length in octets */ |
| 1912 | 10, /* auth tag length in octets */ |
| 1913 | sec_serv_conf_and_auth /* security services flag */ |
| 1914 | }, |
| 1915 | { /* SRTCP policy */ |
| 1916 | AES_128_ICM, /* cipher type */ |
| 1917 | 30, /* cipher key length in octets */ |
| 1918 | HMAC_SHA1, /* authentication func type */ |
| 1919 | 16, /* auth key length in octets */ |
| 1920 | 10, /* auth tag length in octets */ |
| 1921 | sec_serv_conf_and_auth /* security services flag */ |
| 1922 | }, |
| 1923 | test_key, |
Jonathan Lennox | 28bd7c1 | 2010-05-15 00:23:19 +0000 | [diff] [blame] | 1924 | NULL, |
Jonathan Lennox | a1242f8 | 2010-05-17 21:46:04 +0000 | [diff] [blame] | 1925 | 128, /* replay window size */ |
Jonathan Lennox | dcee5c6 | 2010-05-17 22:08:40 +0000 | [diff] [blame] | 1926 | 0, /* retransmission not allowed */ |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 1927 | NULL |
| 1928 | }; |