Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 1 | /* |
| 2 | * srtp_driver.c |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 3 | * |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 4 | * a test driver for libSRTP |
| 5 | * |
| 6 | * David A. McGrew |
| 7 | * Cisco Systems, Inc. |
| 8 | */ |
| 9 | /* |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 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. |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 13 | * |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 14 | * Redistribution and use in source and binary forms, with or without |
| 15 | * modification, are permitted provided that the following conditions |
| 16 | * are met: |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 17 | * |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 18 | * Redistributions of source code must retain the above copyright |
| 19 | * notice, this list of conditions and the following disclaimer. |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 20 | * |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 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. |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 25 | * |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 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. |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 29 | * |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 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() */ |
jfigus | 46d6b47 | 2014-11-14 16:42:01 -0500 | [diff] [blame] | 51 | #include "util.h" |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 52 | |
David McGrew | 3c45e0c | 2006-07-12 00:50:56 +0000 | [diff] [blame] | 53 | #include "srtp_priv.h" |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 54 | |
Marcus Sundberg | 1cbca88 | 2005-10-02 20:50:06 +0000 | [diff] [blame] | 55 | #ifdef HAVE_NETINET_IN_H |
| 56 | # include <netinet/in.h> |
| 57 | #elif defined HAVE_WINSOCK2_H |
| 58 | # include <winsock2.h> |
| 59 | #endif |
| 60 | |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 61 | #define PRINT_REFERENCE_PACKET 1 |
| 62 | |
jfigus | 857009c | 2014-11-05 11:17:43 -0500 | [diff] [blame] | 63 | srtp_err_status_t |
Marcus Sundberg | a3f95fe | 2005-09-29 12:48:41 +0000 | [diff] [blame] | 64 | srtp_validate(void); |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 65 | |
jfigus | 857009c | 2014-11-05 11:17:43 -0500 | [diff] [blame] | 66 | srtp_err_status_t |
Jonathan Lennox | 5df951a | 2010-05-20 20:55:54 +0000 | [diff] [blame] | 67 | srtp_validate_aes_256(void); |
| 68 | |
jfigus | 857009c | 2014-11-05 11:17:43 -0500 | [diff] [blame] | 69 | srtp_err_status_t |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 70 | srtp_create_big_policy(srtp_policy_t **list); |
| 71 | |
jfigus | 857009c | 2014-11-05 11:17:43 -0500 | [diff] [blame] | 72 | srtp_err_status_t |
Jonathan Lennox | 80c4c83 | 2010-05-17 19:30:28 +0000 | [diff] [blame] | 73 | srtp_dealloc_big_policy(srtp_policy_t *list); |
| 74 | |
jfigus | 857009c | 2014-11-05 11:17:43 -0500 | [diff] [blame] | 75 | srtp_err_status_t |
Marcus Sundberg | a3f95fe | 2005-09-29 12:48:41 +0000 | [diff] [blame] | 76 | srtp_test_remove_stream(void); |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 77 | |
Pascal Bühler | bd3112a | 2015-11-06 20:29:15 +0100 | [diff] [blame^] | 78 | srtp_err_status_t |
| 79 | srtp_test_update(void); |
| 80 | |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 81 | double |
| 82 | srtp_bits_per_second(int msg_len_octets, const srtp_policy_t *policy); |
| 83 | |
| 84 | double |
| 85 | srtp_rejections_per_second(int msg_len_octets, const srtp_policy_t *policy); |
| 86 | |
| 87 | void |
| 88 | srtp_do_timing(const srtp_policy_t *policy); |
| 89 | |
| 90 | void |
| 91 | srtp_do_rejection_timing(const srtp_policy_t *policy); |
| 92 | |
jfigus | 857009c | 2014-11-05 11:17:43 -0500 | [diff] [blame] | 93 | srtp_err_status_t |
Marcus Sundberg | a3f95fe | 2005-09-29 12:48:41 +0000 | [diff] [blame] | 94 | srtp_test(const srtp_policy_t *policy); |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 95 | |
jfigus | 857009c | 2014-11-05 11:17:43 -0500 | [diff] [blame] | 96 | srtp_err_status_t |
David McGrew | 9c70f29 | 2006-05-03 19:38:38 +0000 | [diff] [blame] | 97 | srtcp_test(const srtp_policy_t *policy); |
| 98 | |
jfigus | 857009c | 2014-11-05 11:17:43 -0500 | [diff] [blame] | 99 | srtp_err_status_t |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 100 | srtp_session_print_policy(srtp_t srtp); |
| 101 | |
jfigus | 857009c | 2014-11-05 11:17:43 -0500 | [diff] [blame] | 102 | srtp_err_status_t |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 103 | srtp_print_policy(const srtp_policy_t *policy); |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 104 | |
| 105 | char * |
| 106 | srtp_packet_to_string(srtp_hdr_t *hdr, int packet_len); |
| 107 | |
| 108 | double |
| 109 | mips_estimate(int num_trials, int *ignore); |
| 110 | |
jfigus | 8c36da2 | 2013-10-01 16:41:19 -0400 | [diff] [blame] | 111 | extern uint8_t test_key[46]; |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 112 | |
| 113 | void |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 114 | usage (char *prog_name) |
| 115 | { |
| 116 | printf("usage: %s [ -t ][ -c ][ -v ][-d <debug_module> ]* [ -l ]\n" |
| 117 | " -t run timing test\n" |
| 118 | " -r run rejection timing test\n" |
| 119 | " -c run codec timing test\n" |
| 120 | " -v run validation tests\n" |
| 121 | " -d <mod> turn on debugging module <mod>\n" |
| 122 | " -l list debugging modules\n", prog_name); |
| 123 | exit(1); |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 124 | } |
| 125 | |
| 126 | /* |
| 127 | * The policy_array is a null-terminated array of policy structs. it |
| 128 | * is declared at the end of this file |
| 129 | */ |
| 130 | |
| 131 | extern const srtp_policy_t *policy_array[]; |
| 132 | |
| 133 | |
| 134 | /* the wildcard_policy is declared below; it has a wildcard ssrc */ |
| 135 | |
| 136 | extern const srtp_policy_t wildcard_policy; |
| 137 | |
| 138 | /* |
| 139 | * mod_driver debug module - debugging module for this test driver |
| 140 | * |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 141 | * we use the crypto_kernel debugging system in this driver, which |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 142 | * makes the interface uniform and increases portability |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 143 | */ |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 144 | |
jfigus | 02d6f03 | 2014-11-21 10:56:42 -0500 | [diff] [blame] | 145 | srtp_debug_module_t mod_driver = { |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 146 | 0, /* debugging is off by default */ |
| 147 | "driver" /* printable name for module */ |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 148 | }; |
| 149 | |
| 150 | int |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 151 | main (int argc, char *argv[]) |
| 152 | { |
| 153 | int q; |
| 154 | unsigned do_timing_test = 0; |
| 155 | unsigned do_rejection_test = 0; |
| 156 | unsigned do_codec_timing = 0; |
| 157 | unsigned do_validation = 0; |
| 158 | unsigned do_list_mods = 0; |
| 159 | srtp_err_status_t status; |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 160 | |
| 161 | /* |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 162 | * verify that the compiler has interpreted the header data |
| 163 | * structure srtp_hdr_t correctly |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 164 | */ |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 165 | if (sizeof(srtp_hdr_t) != 12) { |
| 166 | printf("error: srtp_hdr_t has incorrect size" |
| 167 | "(size is %ld bytes, expected 12)\n", |
| 168 | (long)sizeof(srtp_hdr_t)); |
| 169 | exit(1); |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 170 | } |
| 171 | |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 172 | /* initialize srtp library */ |
| 173 | status = srtp_init(); |
| 174 | if (status) { |
| 175 | printf("error: srtp init failed with error code %d\n", status); |
| 176 | exit(1); |
| 177 | } |
| 178 | |
| 179 | /* load srtp_driver debug module */ |
jfigus | 92736bc | 2014-11-21 10:30:54 -0500 | [diff] [blame] | 180 | status = srtp_crypto_kernel_load_debug_module(&mod_driver); |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 181 | if (status) { |
| 182 | printf("error: load of srtp_driver debug module failed " |
| 183 | "with error code %d\n", status); |
| 184 | exit(1); |
| 185 | } |
| 186 | |
| 187 | /* process input arguments */ |
| 188 | while (1) { |
| 189 | q = getopt_s(argc, argv, "trcvld:"); |
| 190 | if (q == -1) { |
| 191 | break; |
| 192 | } |
| 193 | switch (q) { |
| 194 | case 't': |
| 195 | do_timing_test = 1; |
| 196 | break; |
| 197 | case 'r': |
| 198 | do_rejection_test = 1; |
| 199 | break; |
| 200 | case 'c': |
| 201 | do_codec_timing = 1; |
| 202 | break; |
| 203 | case 'v': |
| 204 | do_validation = 1; |
| 205 | break; |
| 206 | case 'l': |
| 207 | do_list_mods = 1; |
| 208 | break; |
| 209 | case 'd': |
jfigus | 92736bc | 2014-11-21 10:30:54 -0500 | [diff] [blame] | 210 | status = srtp_crypto_kernel_set_debug_module(optarg_s, 1); |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 211 | if (status) { |
| 212 | printf("error: set debug module (%s) failed\n", optarg_s); |
| 213 | exit(1); |
| 214 | } |
| 215 | break; |
| 216 | default: |
| 217 | usage(argv[0]); |
| 218 | } |
| 219 | } |
| 220 | |
| 221 | if (!do_validation && !do_timing_test && !do_codec_timing |
| 222 | && !do_list_mods && !do_rejection_test) { |
| 223 | usage(argv[0]); |
| 224 | } |
| 225 | |
| 226 | if (do_list_mods) { |
jfigus | 92736bc | 2014-11-21 10:30:54 -0500 | [diff] [blame] | 227 | status = srtp_crypto_kernel_list_debug_modules(); |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 228 | if (status) { |
| 229 | printf("error: list of debug modules failed\n"); |
| 230 | exit(1); |
| 231 | } |
| 232 | } |
| 233 | |
| 234 | if (do_validation) { |
| 235 | const srtp_policy_t **policy = policy_array; |
| 236 | srtp_policy_t *big_policy; |
| 237 | |
| 238 | /* loop over policy array, testing srtp and srtcp for each policy */ |
| 239 | while (*policy != NULL) { |
| 240 | printf("testing srtp_protect and srtp_unprotect\n"); |
| 241 | if (srtp_test(*policy) == srtp_err_status_ok) { |
| 242 | printf("passed\n\n"); |
| 243 | } else{ |
| 244 | printf("failed\n"); |
| 245 | exit(1); |
| 246 | } |
| 247 | printf("testing srtp_protect_rtcp and srtp_unprotect_rtcp\n"); |
| 248 | if (srtcp_test(*policy) == srtp_err_status_ok) { |
| 249 | printf("passed\n\n"); |
| 250 | } else{ |
| 251 | printf("failed\n"); |
| 252 | exit(1); |
| 253 | } |
| 254 | policy++; |
| 255 | } |
| 256 | |
| 257 | /* create a big policy list and run tests on it */ |
| 258 | status = srtp_create_big_policy(&big_policy); |
| 259 | if (status) { |
| 260 | printf("unexpected failure with error code %d\n", status); |
| 261 | exit(1); |
| 262 | } |
| 263 | printf("testing srtp_protect and srtp_unprotect with big policy\n"); |
| 264 | if (srtp_test(big_policy) == srtp_err_status_ok) { |
| 265 | printf("passed\n\n"); |
| 266 | } else{ |
| 267 | printf("failed\n"); |
| 268 | exit(1); |
| 269 | } |
| 270 | status = srtp_dealloc_big_policy(big_policy); |
| 271 | if (status) { |
| 272 | printf("unexpected failure with error code %d\n", status); |
| 273 | exit(1); |
| 274 | } |
| 275 | |
| 276 | /* run test on wildcard policy */ |
| 277 | printf("testing srtp_protect and srtp_unprotect on " |
| 278 | "wildcard ssrc policy\n"); |
| 279 | if (srtp_test(&wildcard_policy) == srtp_err_status_ok) { |
| 280 | printf("passed\n\n"); |
| 281 | } else{ |
| 282 | printf("failed\n"); |
| 283 | exit(1); |
| 284 | } |
| 285 | |
| 286 | /* |
| 287 | * run validation test against the reference packets - note |
| 288 | * that this test only covers the default policy |
| 289 | */ |
| 290 | printf("testing srtp_protect and srtp_unprotect against " |
| 291 | "reference packets\n"); |
| 292 | if (srtp_validate() == srtp_err_status_ok) { |
| 293 | printf("passed\n\n"); |
| 294 | } else{ |
| 295 | printf("failed\n"); |
| 296 | exit(1); |
| 297 | } |
| 298 | |
jfigus | a14b5a0 | 2013-03-29 12:24:12 -0400 | [diff] [blame] | 299 | //FIXME: need to get this working with the OpenSSL AES module |
| 300 | #ifndef OPENSSL |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 301 | /* |
| 302 | * run validation test against the reference packets for |
| 303 | * AES-256 |
| 304 | */ |
| 305 | printf("testing srtp_protect and srtp_unprotect against " |
| 306 | "reference packets (AES-256)\n"); |
| 307 | if (srtp_validate_aes_256() == srtp_err_status_ok) { |
| 308 | printf("passed\n\n"); |
| 309 | } else{ |
| 310 | printf("failed\n"); |
| 311 | exit(1); |
| 312 | } |
jfigus | a14b5a0 | 2013-03-29 12:24:12 -0400 | [diff] [blame] | 313 | #endif |
Jonathan Lennox | 5df951a | 2010-05-20 20:55:54 +0000 | [diff] [blame] | 314 | |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 315 | /* |
| 316 | * test the function srtp_remove_stream() |
| 317 | */ |
| 318 | printf("testing srtp_remove_stream()..."); |
| 319 | if (srtp_test_remove_stream() == srtp_err_status_ok) { |
| 320 | printf("passed\n"); |
| 321 | } else{ |
| 322 | printf("failed\n"); |
| 323 | exit(1); |
| 324 | } |
Pascal Bühler | bd3112a | 2015-11-06 20:29:15 +0100 | [diff] [blame^] | 325 | |
| 326 | /* |
| 327 | * test the function srtp_update() |
| 328 | */ |
| 329 | printf("testing srtp_update()..."); |
| 330 | if (srtp_test_update() == srtp_err_status_ok) { |
| 331 | printf("passed\n"); |
| 332 | } else { |
| 333 | printf("failed\n"); |
| 334 | exit(1); |
| 335 | } |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 336 | } |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 337 | |
| 338 | if (do_timing_test) { |
| 339 | const srtp_policy_t **policy = policy_array; |
| 340 | |
| 341 | /* loop over policies, run timing test for each */ |
| 342 | while (*policy != NULL) { |
| 343 | srtp_print_policy(*policy); |
| 344 | srtp_do_timing(*policy); |
| 345 | policy++; |
| 346 | } |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 347 | } |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 348 | |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 349 | if (do_rejection_test) { |
| 350 | const srtp_policy_t **policy = policy_array; |
| 351 | |
| 352 | /* loop over policies, run rejection timing test for each */ |
| 353 | while (*policy != NULL) { |
| 354 | srtp_print_policy(*policy); |
| 355 | srtp_do_rejection_timing(*policy); |
| 356 | policy++; |
| 357 | } |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 358 | } |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 359 | |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 360 | if (do_codec_timing) { |
| 361 | srtp_policy_t policy; |
| 362 | int ignore; |
| 363 | double mips = mips_estimate(1000000000, &ignore); |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 364 | |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 365 | srtp_crypto_policy_set_rtp_default(&policy.rtp); |
| 366 | srtp_crypto_policy_set_rtcp_default(&policy.rtcp); |
| 367 | policy.ssrc.type = ssrc_specific; |
| 368 | policy.ssrc.value = 0xdecafbad; |
| 369 | policy.key = test_key; |
| 370 | policy.ekt = NULL; |
| 371 | policy.window_size = 128; |
| 372 | policy.allow_repeat_tx = 0; |
| 373 | policy.next = NULL; |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 374 | |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 375 | printf("mips estimate: %e\n", mips); |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 376 | |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 377 | printf("testing srtp processing time for voice codecs:\n"); |
| 378 | printf("codec\t\tlength (octets)\t\tsrtp instructions/second\n"); |
| 379 | printf("G.711\t\t%d\t\t\t%e\n", 80, |
| 380 | (double)mips * (80 * 8) / |
| 381 | srtp_bits_per_second(80, &policy) / .01 ); |
| 382 | printf("G.711\t\t%d\t\t\t%e\n", 160, |
| 383 | (double)mips * (160 * 8) / |
| 384 | srtp_bits_per_second(160, &policy) / .02); |
| 385 | printf("G.726-32\t%d\t\t\t%e\n", 40, |
| 386 | (double)mips * (40 * 8) / |
| 387 | srtp_bits_per_second(40, &policy) / .01 ); |
| 388 | printf("G.726-32\t%d\t\t\t%e\n", 80, |
| 389 | (double)mips * (80 * 8) / |
| 390 | srtp_bits_per_second(80, &policy) / .02); |
| 391 | printf("G.729\t\t%d\t\t\t%e\n", 10, |
| 392 | (double)mips * (10 * 8) / |
| 393 | srtp_bits_per_second(10, &policy) / .01 ); |
| 394 | printf("G.729\t\t%d\t\t\t%e\n", 20, |
| 395 | (double)mips * (20 * 8) / |
| 396 | srtp_bits_per_second(20, &policy) / .02 ); |
| 397 | printf("Wideband\t%d\t\t\t%e\n", 320, |
| 398 | (double)mips * (320 * 8) / |
| 399 | srtp_bits_per_second(320, &policy) / .01 ); |
| 400 | printf("Wideband\t%d\t\t\t%e\n", 640, |
| 401 | (double)mips * (640 * 8) / |
| 402 | srtp_bits_per_second(640, &policy) / .02 ); |
| 403 | } |
Jonathan Lennox | dfb3084 | 2010-05-15 04:52:01 +0000 | [diff] [blame] | 404 | |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 405 | status = srtp_shutdown(); |
| 406 | if (status) { |
| 407 | printf("error: srtp shutdown failed with error code %d\n", status); |
| 408 | exit(1); |
| 409 | } |
| 410 | |
| 411 | return 0; |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 412 | } |
| 413 | |
| 414 | |
| 415 | |
| 416 | /* |
| 417 | * srtp_create_test_packet(len, ssrc) returns a pointer to a |
| 418 | * (malloced) example RTP packet whose data field has the length given |
| 419 | * by pkt_octet_len and the SSRC value ssrc. The total length of the |
| 420 | * packet is twelve octets longer, since the header is at the |
| 421 | * beginning. There is room at the end of the packet for a trailer, |
| 422 | * and the four octets following the packet are filled with 0xff |
| 423 | * values to enable testing for overwrites. |
| 424 | * |
| 425 | * note that the location of the test packet can (and should) be |
| 426 | * deallocated with the free() call once it is no longer needed. |
| 427 | */ |
| 428 | |
| 429 | srtp_hdr_t * |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 430 | srtp_create_test_packet (int pkt_octet_len, uint32_t ssrc) |
| 431 | { |
| 432 | int i; |
| 433 | uint8_t *buffer; |
| 434 | srtp_hdr_t *hdr; |
| 435 | int bytes_in_hdr = 12; |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 436 | |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 437 | /* allocate memory for test packet */ |
| 438 | hdr = (srtp_hdr_t*)malloc(pkt_octet_len + bytes_in_hdr |
| 439 | + SRTP_MAX_TRAILER_LEN + 4); |
| 440 | if (!hdr) { |
| 441 | return NULL; |
| 442 | } |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 443 | |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 444 | hdr->version = 2; /* RTP version two */ |
| 445 | hdr->p = 0; /* no padding needed */ |
| 446 | hdr->x = 0; /* no header extension */ |
| 447 | hdr->cc = 0; /* no CSRCs */ |
| 448 | hdr->m = 0; /* marker bit */ |
| 449 | hdr->pt = 0xf; /* payload type */ |
| 450 | hdr->seq = htons(0x1234); /* sequence number */ |
| 451 | hdr->ts = htonl(0xdecafbad); /* timestamp */ |
| 452 | hdr->ssrc = htonl(ssrc); /* synch. source */ |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 453 | |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 454 | buffer = (uint8_t*)hdr; |
| 455 | buffer += bytes_in_hdr; |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 456 | |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 457 | /* set RTP data to 0xab */ |
| 458 | for (i = 0; i < pkt_octet_len; i++) { |
| 459 | *buffer++ = 0xab; |
| 460 | } |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 461 | |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 462 | /* set post-data value to 0xffff to enable overrun checking */ |
| 463 | for (i = 0; i < SRTP_MAX_TRAILER_LEN + 4; i++) { |
| 464 | *buffer++ = 0xff; |
| 465 | } |
| 466 | |
| 467 | return hdr; |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 468 | } |
| 469 | |
| 470 | void |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 471 | srtp_do_timing (const srtp_policy_t *policy) |
| 472 | { |
| 473 | int len; |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 474 | |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 475 | /* |
| 476 | * note: the output of this function is formatted so that it |
| 477 | * can be used in gnuplot. '#' indicates a comment, and "\r\n" |
| 478 | * terminates a record |
| 479 | */ |
| 480 | |
| 481 | printf("# testing srtp throughput:\r\n"); |
| 482 | printf("# mesg length (octets)\tthroughput (megabits per second)\r\n"); |
| 483 | |
| 484 | for (len = 16; len <= 2048; len *= 2) { |
| 485 | printf("%d\t\t\t%f\r\n", len, |
| 486 | srtp_bits_per_second(len, policy) / 1.0E6); |
| 487 | } |
| 488 | |
| 489 | /* these extra linefeeds let gnuplot know that a dataset is done */ |
| 490 | printf("\r\n\r\n"); |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 491 | |
| 492 | } |
| 493 | |
| 494 | void |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 495 | srtp_do_rejection_timing (const srtp_policy_t *policy) |
| 496 | { |
| 497 | int len; |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 498 | |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 499 | /* |
| 500 | * note: the output of this function is formatted so that it |
| 501 | * can be used in gnuplot. '#' indicates a comment, and "\r\n" |
| 502 | * terminates a record |
| 503 | */ |
| 504 | |
| 505 | printf("# testing srtp rejection throughput:\r\n"); |
| 506 | printf("# mesg length (octets)\trejections per second\r\n"); |
| 507 | |
| 508 | for (len = 8; len <= 2048; len *= 2) { |
| 509 | printf("%d\t\t\t%e\r\n", len, srtp_rejections_per_second(len, policy)); |
| 510 | } |
| 511 | |
| 512 | /* these extra linefeeds let gnuplot know that a dataset is done */ |
| 513 | printf("\r\n\r\n"); |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 514 | |
| 515 | } |
| 516 | |
| 517 | |
| 518 | #define MAX_MSG_LEN 1024 |
| 519 | |
| 520 | double |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 521 | srtp_bits_per_second (int msg_len_octets, const srtp_policy_t *policy) |
| 522 | { |
| 523 | srtp_t srtp; |
| 524 | srtp_hdr_t *mesg; |
| 525 | int i; |
| 526 | clock_t timer; |
| 527 | int num_trials = 100000; |
| 528 | int len; |
| 529 | uint32_t ssrc; |
| 530 | srtp_err_status_t status; |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 531 | |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 532 | /* |
| 533 | * allocate and initialize an srtp session |
| 534 | */ |
| 535 | status = srtp_create(&srtp, policy); |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 536 | if (status) { |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 537 | printf("error: srtp_create() failed with error code %d\n", status); |
| 538 | exit(1); |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 539 | } |
| 540 | |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 541 | /* |
| 542 | * if the ssrc is unspecified, use a predetermined one |
| 543 | */ |
| 544 | if (policy->ssrc.type != ssrc_specific) { |
| 545 | ssrc = 0xdeadbeef; |
| 546 | } else { |
| 547 | ssrc = policy->ssrc.value; |
Jonathan Lennox | 75b3687 | 2010-05-21 00:30:21 +0000 | [diff] [blame] | 548 | } |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 549 | |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 550 | /* |
| 551 | * create a test packet |
| 552 | */ |
| 553 | mesg = srtp_create_test_packet(msg_len_octets, ssrc); |
| 554 | if (mesg == NULL) { |
| 555 | return 0.0; /* indicate failure by returning zero */ |
Jonathan Lennox | 80c4c83 | 2010-05-17 19:30:28 +0000 | [diff] [blame] | 556 | |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 557 | } |
| 558 | timer = clock(); |
| 559 | for (i = 0; i < num_trials; i++) { |
| 560 | len = msg_len_octets + 12; /* add in rtp header length */ |
| 561 | |
| 562 | /* srtp protect message */ |
| 563 | status = srtp_protect(srtp, mesg, &len); |
| 564 | if (status) { |
| 565 | printf("error: srtp_protect() failed with error code %d\n", status); |
| 566 | exit(1); |
| 567 | } |
| 568 | |
| 569 | /* increment message number */ |
| 570 | { |
| 571 | /* hack sequence to avoid problems with macros for htons/ntohs on some systems */ |
| 572 | short new_seq = ntohs(mesg->seq) + 1; |
| 573 | mesg->seq = htons(new_seq); |
| 574 | } |
| 575 | } |
| 576 | timer = clock() - timer; |
| 577 | |
| 578 | free(mesg); |
| 579 | |
| 580 | status = srtp_dealloc(srtp); |
| 581 | if (status) { |
| 582 | printf("error: srtp_dealloc() failed with error code %d\n", status); |
| 583 | exit(1); |
| 584 | } |
| 585 | |
| 586 | return (double)(msg_len_octets) * 8 * |
| 587 | num_trials * CLOCKS_PER_SEC / timer; |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 588 | } |
| 589 | |
| 590 | double |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 591 | srtp_rejections_per_second (int msg_len_octets, const srtp_policy_t *policy) |
| 592 | { |
| 593 | srtp_ctx_t *srtp; |
| 594 | srtp_hdr_t *mesg; |
| 595 | int i; |
| 596 | int len; |
| 597 | clock_t timer; |
| 598 | int num_trials = 1000000; |
| 599 | uint32_t ssrc = policy->ssrc.value; |
| 600 | srtp_err_status_t status; |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 601 | |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 602 | /* |
| 603 | * allocate and initialize an srtp session |
| 604 | */ |
| 605 | status = srtp_create(&srtp, policy); |
| 606 | if (status) { |
| 607 | printf("error: srtp_create() failed with error code %d\n", status); |
| 608 | exit(1); |
| 609 | } |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 610 | |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 611 | mesg = srtp_create_test_packet(msg_len_octets, ssrc); |
| 612 | if (mesg == NULL) { |
| 613 | return 0.0; /* indicate failure by returning zero */ |
| 614 | |
| 615 | } |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 616 | len = msg_len_octets; |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 617 | srtp_protect(srtp, (srtp_hdr_t*)mesg, &len); |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 618 | |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 619 | timer = clock(); |
| 620 | for (i = 0; i < num_trials; i++) { |
| 621 | len = msg_len_octets; |
| 622 | srtp_unprotect(srtp, (srtp_hdr_t*)mesg, &len); |
| 623 | } |
| 624 | timer = clock() - timer; |
Jonathan Lennox | 80c4c83 | 2010-05-17 19:30:28 +0000 | [diff] [blame] | 625 | |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 626 | free(mesg); |
Jonathan Lennox | 80c4c83 | 2010-05-17 19:30:28 +0000 | [diff] [blame] | 627 | |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 628 | status = srtp_dealloc(srtp); |
| 629 | if (status) { |
| 630 | printf("error: srtp_dealloc() failed with error code %d\n", status); |
| 631 | exit(1); |
| 632 | } |
| 633 | |
| 634 | return (double)num_trials * CLOCKS_PER_SEC / timer; |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 635 | } |
| 636 | |
| 637 | |
| 638 | void |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 639 | err_check (srtp_err_status_t s) |
| 640 | { |
| 641 | if (s == srtp_err_status_ok) { |
| 642 | return; |
| 643 | } else{ |
| 644 | fprintf(stderr, "error: unexpected srtp failure (code %d)\n", s); |
| 645 | } |
| 646 | exit(1); |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 647 | } |
| 648 | |
jfigus | 857009c | 2014-11-05 11:17:43 -0500 | [diff] [blame] | 649 | srtp_err_status_t |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 650 | srtp_test (const srtp_policy_t *policy) |
| 651 | { |
| 652 | int i; |
| 653 | srtp_t srtp_sender; |
| 654 | srtp_t srtp_rcvr; |
| 655 | srtp_err_status_t status = srtp_err_status_ok; |
| 656 | srtp_hdr_t *hdr, *hdr2; |
| 657 | uint8_t hdr_enc[64]; |
| 658 | uint8_t *pkt_end; |
| 659 | int msg_len_octets, msg_len_enc; |
| 660 | int len; |
| 661 | int tag_length = policy->rtp.auth_tag_len; |
| 662 | uint32_t ssrc; |
| 663 | srtp_policy_t *rcvr_policy; |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 664 | |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 665 | err_check(srtp_create(&srtp_sender, policy)); |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 666 | |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 667 | /* print out policy */ |
| 668 | err_check(srtp_session_print_policy(srtp_sender)); |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 669 | |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 670 | /* |
| 671 | * initialize data buffer, using the ssrc in the policy unless that |
| 672 | * value is a wildcard, in which case we'll just use an arbitrary |
| 673 | * one |
| 674 | */ |
| 675 | if (policy->ssrc.type != ssrc_specific) { |
| 676 | ssrc = 0xdecafbad; |
| 677 | } else{ |
| 678 | ssrc = policy->ssrc.value; |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 679 | } |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 680 | msg_len_octets = 28; |
| 681 | hdr = srtp_create_test_packet(msg_len_octets, ssrc); |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 682 | |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 683 | if (hdr == NULL) { |
| 684 | return srtp_err_status_alloc_fail; |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 685 | } |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 686 | hdr2 = srtp_create_test_packet(msg_len_octets, ssrc); |
| 687 | if (hdr2 == NULL) { |
| 688 | free(hdr); |
| 689 | return srtp_err_status_alloc_fail; |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 690 | } |
| 691 | |
Marcus Sundberg | 5c40da8 | 2005-10-08 18:15:00 +0000 | [diff] [blame] | 692 | /* set message length */ |
| 693 | len = msg_len_octets; |
| 694 | |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 695 | debug_print(mod_driver, "before protection:\n%s", |
| 696 | srtp_packet_to_string(hdr, len)); |
| 697 | |
| 698 | #if PRINT_REFERENCE_PACKET |
| 699 | debug_print(mod_driver, "reference packet before protection:\n%s", |
| 700 | octet_string_hex_string((uint8_t*)hdr, len)); |
| 701 | #endif |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 702 | err_check(srtp_protect(srtp_sender, hdr, &len)); |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 703 | |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 704 | debug_print(mod_driver, "after protection:\n%s", |
| 705 | srtp_packet_to_string(hdr, len)); |
| 706 | #if PRINT_REFERENCE_PACKET |
| 707 | debug_print(mod_driver, "after protection:\n%s", |
| 708 | octet_string_hex_string((uint8_t*)hdr, len)); |
| 709 | #endif |
| 710 | |
| 711 | /* save protected message and length */ |
| 712 | memcpy(hdr_enc, hdr, len); |
| 713 | msg_len_enc = len; |
| 714 | |
| 715 | /* |
| 716 | * check for overrun of the srtp_protect() function |
| 717 | * |
| 718 | * The packet is followed by a value of 0xfffff; if the value of the |
| 719 | * data following the packet is different, then we know that the |
| 720 | * protect function is overwriting the end of the packet. |
| 721 | */ |
| 722 | pkt_end = (uint8_t*)hdr + sizeof(srtp_hdr_t) |
| 723 | + msg_len_octets + tag_length; |
| 724 | for (i = 0; i < 4; i++) { |
| 725 | if (pkt_end[i] != 0xff) { |
| 726 | fprintf(stdout, "overwrite in srtp_protect() function " |
| 727 | "(expected %x, found %x in trailing octet %d)\n", |
| 728 | 0xff, ((uint8_t*)hdr)[i], i); |
| 729 | free(hdr); |
| 730 | free(hdr2); |
| 731 | return srtp_err_status_algo_fail; |
| 732 | } |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 733 | } |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 734 | |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 735 | /* |
| 736 | * if the policy includes confidentiality, check that ciphertext is |
| 737 | * different than plaintext |
| 738 | * |
| 739 | * Note that this check will give false negatives, with some small |
| 740 | * probability, especially if the packets are short. For that |
| 741 | * reason, we skip this check if the plaintext is less than four |
| 742 | * octets long. |
| 743 | */ |
| 744 | if ((policy->rtp.sec_serv & sec_serv_conf) && (msg_len_octets >= 4)) { |
| 745 | printf("testing that ciphertext is distinct from plaintext..."); |
| 746 | status = srtp_err_status_algo_fail; |
| 747 | for (i = 12; i < msg_len_octets + 12; i++) { |
| 748 | if (((uint8_t*)hdr)[i] != ((uint8_t*)hdr2)[i]) { |
| 749 | status = srtp_err_status_ok; |
| 750 | } |
| 751 | } |
| 752 | if (status) { |
| 753 | printf("failed\n"); |
| 754 | free(hdr); |
| 755 | free(hdr2); |
| 756 | return status; |
| 757 | } |
| 758 | printf("passed\n"); |
| 759 | } |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 760 | |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 761 | /* |
| 762 | * if the policy uses a 'wildcard' ssrc, then we need to make a copy |
| 763 | * of the policy that changes the direction to inbound |
| 764 | * |
| 765 | * we always copy the policy into the rcvr_policy, since otherwise |
| 766 | * the compiler would fret about the constness of the policy |
| 767 | */ |
| 768 | rcvr_policy = (srtp_policy_t*)malloc(sizeof(srtp_policy_t)); |
| 769 | if (rcvr_policy == NULL) { |
| 770 | free(hdr); |
| 771 | free(hdr2); |
| 772 | return srtp_err_status_alloc_fail; |
| 773 | } |
| 774 | memcpy(rcvr_policy, policy, sizeof(srtp_policy_t)); |
| 775 | if (policy->ssrc.type == ssrc_any_outbound) { |
| 776 | rcvr_policy->ssrc.type = ssrc_any_inbound; |
| 777 | } |
| 778 | |
| 779 | err_check(srtp_create(&srtp_rcvr, rcvr_policy)); |
| 780 | |
| 781 | err_check(srtp_unprotect(srtp_rcvr, hdr, &len)); |
| 782 | |
| 783 | debug_print(mod_driver, "after unprotection:\n%s", |
| 784 | srtp_packet_to_string(hdr, len)); |
| 785 | |
| 786 | /* verify that the unprotected packet matches the origial one */ |
| 787 | for (i = 0; i < msg_len_octets; i++) { |
| 788 | if (((uint8_t*)hdr)[i] != ((uint8_t*)hdr2)[i]) { |
| 789 | fprintf(stdout, "mismatch at octet %d\n", i); |
| 790 | status = srtp_err_status_algo_fail; |
| 791 | } |
| 792 | } |
| 793 | if (status) { |
| 794 | free(hdr); |
| 795 | free(hdr2); |
| 796 | free(rcvr_policy); |
| 797 | return status; |
| 798 | } |
| 799 | |
| 800 | /* |
| 801 | * if the policy includes authentication, then test for false positives |
| 802 | */ |
| 803 | if (policy->rtp.sec_serv & sec_serv_auth) { |
| 804 | char *data = ((char*)hdr) + 12; |
| 805 | |
| 806 | printf("testing for false positives in replay check..."); |
| 807 | |
| 808 | /* set message length */ |
| 809 | len = msg_len_enc; |
| 810 | |
| 811 | /* unprotect a second time - should fail with a replay error */ |
| 812 | status = srtp_unprotect(srtp_rcvr, hdr_enc, &len); |
| 813 | if (status != srtp_err_status_replay_fail) { |
| 814 | printf("failed with error code %d\n", status); |
| 815 | free(hdr); |
| 816 | free(hdr2); |
| 817 | free(rcvr_policy); |
| 818 | return status; |
| 819 | } else { |
| 820 | printf("passed\n"); |
| 821 | } |
| 822 | |
| 823 | printf("testing for false positives in auth check..."); |
| 824 | |
| 825 | /* increment sequence number in header */ |
| 826 | hdr->seq++; |
| 827 | |
| 828 | /* set message length */ |
| 829 | len = msg_len_octets; |
| 830 | |
| 831 | /* apply protection */ |
| 832 | err_check(srtp_protect(srtp_sender, hdr, &len)); |
| 833 | |
| 834 | /* flip bits in packet */ |
| 835 | data[0] ^= 0xff; |
| 836 | |
| 837 | /* unprotect, and check for authentication failure */ |
| 838 | status = srtp_unprotect(srtp_rcvr, hdr, &len); |
| 839 | if (status != srtp_err_status_auth_fail) { |
| 840 | printf("failed\n"); |
| 841 | free(hdr); |
| 842 | free(hdr2); |
| 843 | free(rcvr_policy); |
| 844 | return status; |
| 845 | } else { |
| 846 | printf("passed\n"); |
| 847 | } |
| 848 | |
| 849 | } |
| 850 | |
| 851 | err_check(srtp_dealloc(srtp_sender)); |
| 852 | err_check(srtp_dealloc(srtp_rcvr)); |
| 853 | |
| 854 | free(hdr); |
| 855 | free(hdr2); |
| 856 | free(rcvr_policy); |
| 857 | return srtp_err_status_ok; |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 858 | } |
| 859 | |
| 860 | |
jfigus | 857009c | 2014-11-05 11:17:43 -0500 | [diff] [blame] | 861 | srtp_err_status_t |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 862 | srtcp_test (const srtp_policy_t *policy) |
| 863 | { |
| 864 | int i; |
| 865 | srtp_t srtcp_sender; |
| 866 | srtp_t srtcp_rcvr; |
| 867 | srtp_err_status_t status = srtp_err_status_ok; |
| 868 | srtp_hdr_t *hdr, *hdr2; |
| 869 | uint8_t hdr_enc[64]; |
| 870 | uint8_t *pkt_end; |
| 871 | int msg_len_octets, msg_len_enc; |
| 872 | int len; |
| 873 | int tag_length = policy->rtp.auth_tag_len; |
| 874 | uint32_t ssrc; |
| 875 | srtp_policy_t *rcvr_policy; |
David McGrew | 9c70f29 | 2006-05-03 19:38:38 +0000 | [diff] [blame] | 876 | |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 877 | err_check(srtp_create(&srtcp_sender, policy)); |
David McGrew | 9c70f29 | 2006-05-03 19:38:38 +0000 | [diff] [blame] | 878 | |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 879 | /* print out policy */ |
| 880 | err_check(srtp_session_print_policy(srtcp_sender)); |
David McGrew | 9c70f29 | 2006-05-03 19:38:38 +0000 | [diff] [blame] | 881 | |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 882 | /* |
| 883 | * initialize data buffer, using the ssrc in the policy unless that |
| 884 | * value is a wildcard, in which case we'll just use an arbitrary |
| 885 | * one |
| 886 | */ |
| 887 | if (policy->ssrc.type != ssrc_specific) { |
| 888 | ssrc = 0xdecafbad; |
| 889 | } else{ |
| 890 | ssrc = policy->ssrc.value; |
David McGrew | 9c70f29 | 2006-05-03 19:38:38 +0000 | [diff] [blame] | 891 | } |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 892 | msg_len_octets = 28; |
| 893 | hdr = srtp_create_test_packet(msg_len_octets, ssrc); |
David McGrew | 9c70f29 | 2006-05-03 19:38:38 +0000 | [diff] [blame] | 894 | |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 895 | if (hdr == NULL) { |
| 896 | return srtp_err_status_alloc_fail; |
David McGrew | 9c70f29 | 2006-05-03 19:38:38 +0000 | [diff] [blame] | 897 | } |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 898 | hdr2 = srtp_create_test_packet(msg_len_octets, ssrc); |
| 899 | if (hdr2 == NULL) { |
| 900 | free(hdr); |
| 901 | return srtp_err_status_alloc_fail; |
David McGrew | 9c70f29 | 2006-05-03 19:38:38 +0000 | [diff] [blame] | 902 | } |
| 903 | |
David McGrew | 9c70f29 | 2006-05-03 19:38:38 +0000 | [diff] [blame] | 904 | /* set message length */ |
| 905 | len = msg_len_octets; |
| 906 | |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 907 | debug_print(mod_driver, "before protection:\n%s", |
| 908 | srtp_packet_to_string(hdr, len)); |
| 909 | |
| 910 | #if PRINT_REFERENCE_PACKET |
| 911 | debug_print(mod_driver, "reference packet before protection:\n%s", |
| 912 | octet_string_hex_string((uint8_t*)hdr, len)); |
| 913 | #endif |
David McGrew | 9c70f29 | 2006-05-03 19:38:38 +0000 | [diff] [blame] | 914 | err_check(srtp_protect_rtcp(srtcp_sender, hdr, &len)); |
David McGrew | 9c70f29 | 2006-05-03 19:38:38 +0000 | [diff] [blame] | 915 | |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 916 | debug_print(mod_driver, "after protection:\n%s", |
| 917 | srtp_packet_to_string(hdr, len)); |
| 918 | #if PRINT_REFERENCE_PACKET |
| 919 | debug_print(mod_driver, "after protection:\n%s", |
| 920 | octet_string_hex_string((uint8_t*)hdr, len)); |
| 921 | #endif |
| 922 | |
| 923 | /* save protected message and length */ |
| 924 | memcpy(hdr_enc, hdr, len); |
| 925 | msg_len_enc = len; |
| 926 | |
| 927 | /* |
| 928 | * check for overrun of the srtp_protect() function |
| 929 | * |
| 930 | * The packet is followed by a value of 0xfffff; if the value of the |
| 931 | * data following the packet is different, then we know that the |
| 932 | * protect function is overwriting the end of the packet. |
| 933 | */ |
| 934 | pkt_end = (uint8_t*)hdr + sizeof(srtp_hdr_t) |
| 935 | + msg_len_octets + tag_length; |
| 936 | for (i = 0; i < 4; i++) { |
| 937 | if (pkt_end[i] != 0xff) { |
| 938 | fprintf(stdout, "overwrite in srtp_protect_rtcp() function " |
| 939 | "(expected %x, found %x in trailing octet %d)\n", |
| 940 | 0xff, ((uint8_t*)hdr)[i], i); |
| 941 | free(hdr); |
| 942 | free(hdr2); |
| 943 | return srtp_err_status_algo_fail; |
| 944 | } |
David McGrew | 9c70f29 | 2006-05-03 19:38:38 +0000 | [diff] [blame] | 945 | } |
David McGrew | 9c70f29 | 2006-05-03 19:38:38 +0000 | [diff] [blame] | 946 | |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 947 | /* |
| 948 | * if the policy includes confidentiality, check that ciphertext is |
| 949 | * different than plaintext |
| 950 | * |
| 951 | * Note that this check will give false negatives, with some small |
| 952 | * probability, especially if the packets are short. For that |
| 953 | * reason, we skip this check if the plaintext is less than four |
| 954 | * octets long. |
| 955 | */ |
| 956 | if ((policy->rtp.sec_serv & sec_serv_conf) && (msg_len_octets >= 4)) { |
| 957 | printf("testing that ciphertext is distinct from plaintext..."); |
| 958 | status = srtp_err_status_algo_fail; |
| 959 | for (i = 12; i < msg_len_octets + 12; i++) { |
| 960 | if (((uint8_t*)hdr)[i] != ((uint8_t*)hdr2)[i]) { |
| 961 | status = srtp_err_status_ok; |
| 962 | } |
| 963 | } |
| 964 | if (status) { |
| 965 | printf("failed\n"); |
| 966 | free(hdr); |
| 967 | free(hdr2); |
| 968 | return status; |
| 969 | } |
| 970 | printf("passed\n"); |
| 971 | } |
David McGrew | 9c70f29 | 2006-05-03 19:38:38 +0000 | [diff] [blame] | 972 | |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 973 | /* |
| 974 | * if the policy uses a 'wildcard' ssrc, then we need to make a copy |
| 975 | * of the policy that changes the direction to inbound |
| 976 | * |
| 977 | * we always copy the policy into the rcvr_policy, since otherwise |
| 978 | * the compiler would fret about the constness of the policy |
| 979 | */ |
| 980 | rcvr_policy = (srtp_policy_t*)malloc(sizeof(srtp_policy_t)); |
| 981 | if (rcvr_policy == NULL) { |
| 982 | return srtp_err_status_alloc_fail; |
| 983 | } |
| 984 | memcpy(rcvr_policy, policy, sizeof(srtp_policy_t)); |
| 985 | if (policy->ssrc.type == ssrc_any_outbound) { |
| 986 | rcvr_policy->ssrc.type = ssrc_any_inbound; |
| 987 | } |
| 988 | |
| 989 | err_check(srtp_create(&srtcp_rcvr, rcvr_policy)); |
| 990 | |
| 991 | err_check(srtp_unprotect_rtcp(srtcp_rcvr, hdr, &len)); |
| 992 | |
| 993 | debug_print(mod_driver, "after unprotection:\n%s", |
| 994 | srtp_packet_to_string(hdr, len)); |
| 995 | |
| 996 | /* verify that the unprotected packet matches the origial one */ |
| 997 | for (i = 0; i < msg_len_octets; i++) { |
| 998 | if (((uint8_t*)hdr)[i] != ((uint8_t*)hdr2)[i]) { |
| 999 | fprintf(stdout, "mismatch at octet %d\n", i); |
| 1000 | status = srtp_err_status_algo_fail; |
| 1001 | } |
| 1002 | } |
| 1003 | if (status) { |
| 1004 | free(hdr); |
| 1005 | free(hdr2); |
| 1006 | free(rcvr_policy); |
| 1007 | return status; |
| 1008 | } |
| 1009 | |
| 1010 | /* |
| 1011 | * if the policy includes authentication, then test for false positives |
| 1012 | */ |
| 1013 | if (policy->rtp.sec_serv & sec_serv_auth) { |
| 1014 | char *data = ((char*)hdr) + 12; |
| 1015 | |
| 1016 | printf("testing for false positives in replay check..."); |
| 1017 | |
| 1018 | /* set message length */ |
| 1019 | len = msg_len_enc; |
| 1020 | |
| 1021 | /* unprotect a second time - should fail with a replay error */ |
| 1022 | status = srtp_unprotect_rtcp(srtcp_rcvr, hdr_enc, &len); |
| 1023 | if (status != srtp_err_status_replay_fail) { |
| 1024 | printf("failed with error code %d\n", status); |
| 1025 | free(hdr); |
| 1026 | free(hdr2); |
| 1027 | free(rcvr_policy); |
| 1028 | return status; |
| 1029 | } else { |
| 1030 | printf("passed\n"); |
| 1031 | } |
| 1032 | |
| 1033 | printf("testing for false positives in auth check..."); |
| 1034 | |
| 1035 | /* increment sequence number in header */ |
| 1036 | hdr->seq++; |
| 1037 | |
| 1038 | /* set message length */ |
| 1039 | len = msg_len_octets; |
| 1040 | |
| 1041 | /* apply protection */ |
| 1042 | err_check(srtp_protect_rtcp(srtcp_sender, hdr, &len)); |
| 1043 | |
| 1044 | /* flip bits in packet */ |
| 1045 | data[0] ^= 0xff; |
| 1046 | |
| 1047 | /* unprotect, and check for authentication failure */ |
| 1048 | status = srtp_unprotect_rtcp(srtcp_rcvr, hdr, &len); |
| 1049 | if (status != srtp_err_status_auth_fail) { |
| 1050 | printf("failed\n"); |
| 1051 | free(hdr); |
| 1052 | free(hdr2); |
| 1053 | free(rcvr_policy); |
| 1054 | return status; |
| 1055 | } else { |
| 1056 | printf("passed\n"); |
| 1057 | } |
| 1058 | |
| 1059 | } |
| 1060 | |
| 1061 | err_check(srtp_dealloc(srtcp_sender)); |
| 1062 | err_check(srtp_dealloc(srtcp_rcvr)); |
| 1063 | |
| 1064 | free(hdr); |
| 1065 | free(hdr2); |
| 1066 | free(rcvr_policy); |
| 1067 | return srtp_err_status_ok; |
David McGrew | 9c70f29 | 2006-05-03 19:38:38 +0000 | [diff] [blame] | 1068 | } |
| 1069 | |
| 1070 | |
jfigus | 857009c | 2014-11-05 11:17:43 -0500 | [diff] [blame] | 1071 | srtp_err_status_t |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 1072 | srtp_session_print_policy (srtp_t srtp) |
| 1073 | { |
| 1074 | char *serv_descr[4] = { |
| 1075 | "none", |
| 1076 | "confidentiality", |
| 1077 | "authentication", |
| 1078 | "confidentiality and authentication" |
| 1079 | }; |
| 1080 | char *direction[3] = { |
| 1081 | "unknown", |
| 1082 | "outbound", |
| 1083 | "inbound" |
| 1084 | }; |
| 1085 | srtp_stream_t stream; |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 1086 | |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 1087 | /* sanity checking */ |
| 1088 | if (srtp == NULL) { |
| 1089 | return srtp_err_status_fail; |
| 1090 | } |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 1091 | |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 1092 | /* if there's a template stream, print it out */ |
| 1093 | if (srtp->stream_template != NULL) { |
| 1094 | stream = srtp->stream_template; |
| 1095 | printf("# SSRC: any %s\r\n" |
| 1096 | "# rtp cipher: %s\r\n" |
| 1097 | "# rtp auth: %s\r\n" |
| 1098 | "# rtp services: %s\r\n" |
| 1099 | "# rtcp cipher: %s\r\n" |
| 1100 | "# rtcp auth: %s\r\n" |
| 1101 | "# rtcp services: %s\r\n" |
| 1102 | "# window size: %lu\r\n" |
| 1103 | "# tx rtx allowed:%s\r\n", |
| 1104 | direction[stream->direction], |
| 1105 | stream->rtp_cipher->type->description, |
| 1106 | stream->rtp_auth->type->description, |
| 1107 | serv_descr[stream->rtp_services], |
| 1108 | stream->rtcp_cipher->type->description, |
| 1109 | stream->rtcp_auth->type->description, |
| 1110 | serv_descr[stream->rtcp_services], |
jfigus | de8deb3 | 2014-11-25 12:58:11 -0500 | [diff] [blame] | 1111 | srtp_rdbx_get_window_size(&stream->rtp_rdbx), |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 1112 | stream->allow_repeat_tx ? "true" : "false"); |
| 1113 | } |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 1114 | |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 1115 | /* loop over streams in session, printing the policy of each */ |
| 1116 | stream = srtp->stream_list; |
| 1117 | while (stream != NULL) { |
| 1118 | if (stream->rtp_services > sec_serv_conf_and_auth) { |
| 1119 | return srtp_err_status_bad_param; |
| 1120 | } |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 1121 | |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 1122 | printf("# SSRC: 0x%08x\r\n" |
| 1123 | "# rtp cipher: %s\r\n" |
| 1124 | "# rtp auth: %s\r\n" |
| 1125 | "# rtp services: %s\r\n" |
| 1126 | "# rtcp cipher: %s\r\n" |
| 1127 | "# rtcp auth: %s\r\n" |
| 1128 | "# rtcp services: %s\r\n" |
| 1129 | "# window size: %lu\r\n" |
| 1130 | "# tx rtx allowed:%s\r\n", |
| 1131 | stream->ssrc, |
| 1132 | stream->rtp_cipher->type->description, |
| 1133 | stream->rtp_auth->type->description, |
| 1134 | serv_descr[stream->rtp_services], |
| 1135 | stream->rtcp_cipher->type->description, |
| 1136 | stream->rtcp_auth->type->description, |
| 1137 | serv_descr[stream->rtcp_services], |
jfigus | de8deb3 | 2014-11-25 12:58:11 -0500 | [diff] [blame] | 1138 | srtp_rdbx_get_window_size(&stream->rtp_rdbx), |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 1139 | stream->allow_repeat_tx ? "true" : "false"); |
| 1140 | |
| 1141 | /* advance to next stream in the list */ |
| 1142 | stream = stream->next; |
| 1143 | } |
| 1144 | return srtp_err_status_ok; |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 1145 | } |
| 1146 | |
jfigus | 857009c | 2014-11-05 11:17:43 -0500 | [diff] [blame] | 1147 | srtp_err_status_t |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 1148 | srtp_print_policy (const srtp_policy_t *policy) |
| 1149 | { |
| 1150 | srtp_err_status_t status; |
| 1151 | srtp_t session; |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 1152 | |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 1153 | status = srtp_create(&session, policy); |
| 1154 | if (status) { |
| 1155 | return status; |
| 1156 | } |
| 1157 | status = srtp_session_print_policy(session); |
| 1158 | if (status) { |
| 1159 | return status; |
| 1160 | } |
| 1161 | status = srtp_dealloc(session); |
| 1162 | if (status) { |
| 1163 | return status; |
| 1164 | } |
| 1165 | return srtp_err_status_ok; |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 1166 | } |
| 1167 | |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 1168 | /* |
| 1169 | * srtp_print_packet(...) is for debugging only |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 1170 | * it prints an RTP packet to the stdout |
| 1171 | * |
| 1172 | * note that this function is *not* threadsafe |
| 1173 | */ |
| 1174 | |
| 1175 | #include <stdio.h> |
| 1176 | |
| 1177 | #define MTU 2048 |
| 1178 | |
| 1179 | char packet_string[MTU]; |
| 1180 | |
| 1181 | char * |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 1182 | srtp_packet_to_string (srtp_hdr_t *hdr, int pkt_octet_len) |
| 1183 | { |
| 1184 | int octets_in_rtp_header = 12; |
| 1185 | uint8_t *data = ((uint8_t*)hdr) + octets_in_rtp_header; |
| 1186 | int hex_len = pkt_octet_len - octets_in_rtp_header; |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 1187 | |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 1188 | /* sanity checking */ |
| 1189 | if ((hdr == NULL) || (pkt_octet_len > MTU)) { |
| 1190 | return NULL; |
| 1191 | } |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 1192 | |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 1193 | /* write packet into string */ |
| 1194 | sprintf(packet_string, |
| 1195 | "(s)rtp packet: {\n" |
| 1196 | " version:\t%d\n" |
| 1197 | " p:\t\t%d\n" |
| 1198 | " x:\t\t%d\n" |
| 1199 | " cc:\t\t%d\n" |
| 1200 | " m:\t\t%d\n" |
| 1201 | " pt:\t\t%x\n" |
| 1202 | " seq:\t\t%x\n" |
| 1203 | " ts:\t\t%x\n" |
| 1204 | " ssrc:\t%x\n" |
| 1205 | " data:\t%s\n" |
| 1206 | "} (%d octets in total)\n", |
| 1207 | hdr->version, |
| 1208 | hdr->p, |
| 1209 | hdr->x, |
| 1210 | hdr->cc, |
| 1211 | hdr->m, |
| 1212 | hdr->pt, |
| 1213 | hdr->seq, |
| 1214 | hdr->ts, |
| 1215 | hdr->ssrc, |
| 1216 | octet_string_hex_string(data, hex_len), |
| 1217 | pkt_octet_len); |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 1218 | |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 1219 | return packet_string; |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 1220 | } |
| 1221 | |
| 1222 | /* |
| 1223 | * mips_estimate() is a simple function to estimate the number of |
| 1224 | * instructions per second that the host can perform. note that this |
| 1225 | * function can be grossly wrong; you may want to have a manual sanity |
| 1226 | * check of its output! |
| 1227 | * |
| 1228 | * the 'ignore' pointer is there to convince the compiler to not just |
| 1229 | * optimize away the function |
| 1230 | */ |
| 1231 | |
| 1232 | double |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 1233 | mips_estimate (int num_trials, int *ignore) |
| 1234 | { |
| 1235 | clock_t t; |
| 1236 | volatile int i, sum; |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 1237 | |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 1238 | sum = 0; |
| 1239 | t = clock(); |
| 1240 | for (i = 0; i < num_trials; i++) { |
| 1241 | sum += i; |
| 1242 | } |
| 1243 | t = clock() - t; |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 1244 | |
| 1245 | /* printf("%d\n", sum); */ |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 1246 | *ignore = sum; |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 1247 | |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 1248 | return (double)num_trials * CLOCKS_PER_SEC / t; |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 1249 | } |
| 1250 | |
| 1251 | |
| 1252 | /* |
| 1253 | * srtp_validate() verifies the correctness of libsrtp by comparing |
| 1254 | * some computed packets against some pre-computed reference values. |
| 1255 | * These packets were made with the default SRTP policy. |
| 1256 | */ |
| 1257 | |
| 1258 | |
jfigus | 857009c | 2014-11-05 11:17:43 -0500 | [diff] [blame] | 1259 | srtp_err_status_t |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 1260 | srtp_validate () |
| 1261 | { |
| 1262 | uint8_t srtp_plaintext_ref[28] = { |
| 1263 | 0x80, 0x0f, 0x12, 0x34, 0xde, 0xca, 0xfb, 0xad, |
| 1264 | 0xca, 0xfe, 0xba, 0xbe, 0xab, 0xab, 0xab, 0xab, |
| 1265 | 0xab, 0xab, 0xab, 0xab, 0xab, 0xab, 0xab, 0xab, |
| 1266 | 0xab, 0xab, 0xab, 0xab |
| 1267 | }; |
| 1268 | uint8_t srtp_plaintext[38] = { |
| 1269 | 0x80, 0x0f, 0x12, 0x34, 0xde, 0xca, 0xfb, 0xad, |
| 1270 | 0xca, 0xfe, 0xba, 0xbe, 0xab, 0xab, 0xab, 0xab, |
| 1271 | 0xab, 0xab, 0xab, 0xab, 0xab, 0xab, 0xab, 0xab, |
| 1272 | 0xab, 0xab, 0xab, 0xab, 0x00, 0x00, 0x00, 0x00, |
| 1273 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 |
| 1274 | }; |
| 1275 | uint8_t srtp_ciphertext[38] = { |
| 1276 | 0x80, 0x0f, 0x12, 0x34, 0xde, 0xca, 0xfb, 0xad, |
| 1277 | 0xca, 0xfe, 0xba, 0xbe, 0x4e, 0x55, 0xdc, 0x4c, |
| 1278 | 0xe7, 0x99, 0x78, 0xd8, 0x8c, 0xa4, 0xd2, 0x15, |
| 1279 | 0x94, 0x9d, 0x24, 0x02, 0xb7, 0x8d, 0x6a, 0xcc, |
| 1280 | 0x99, 0xea, 0x17, 0x9b, 0x8d, 0xbb |
| 1281 | }; |
| 1282 | srtp_t srtp_snd, srtp_recv; |
| 1283 | srtp_err_status_t status; |
| 1284 | int len; |
| 1285 | srtp_policy_t policy; |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 1286 | |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 1287 | /* |
| 1288 | * create a session with a single stream using the default srtp |
| 1289 | * policy and with the SSRC value 0xcafebabe |
| 1290 | */ |
| 1291 | srtp_crypto_policy_set_rtp_default(&policy.rtp); |
| 1292 | srtp_crypto_policy_set_rtcp_default(&policy.rtcp); |
| 1293 | policy.ssrc.type = ssrc_specific; |
| 1294 | policy.ssrc.value = 0xcafebabe; |
| 1295 | policy.key = test_key; |
| 1296 | policy.ekt = NULL; |
| 1297 | policy.window_size = 128; |
| 1298 | policy.allow_repeat_tx = 0; |
| 1299 | policy.next = NULL; |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 1300 | |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 1301 | status = srtp_create(&srtp_snd, &policy); |
| 1302 | if (status) { |
| 1303 | return status; |
| 1304 | } |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 1305 | |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 1306 | /* |
| 1307 | * protect plaintext, then compare with ciphertext |
| 1308 | */ |
| 1309 | len = 28; |
| 1310 | status = srtp_protect(srtp_snd, srtp_plaintext, &len); |
| 1311 | if (status || (len != 38)) { |
| 1312 | return srtp_err_status_fail; |
| 1313 | } |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 1314 | |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 1315 | debug_print(mod_driver, "ciphertext:\n %s", |
| 1316 | octet_string_hex_string(srtp_plaintext, len)); |
| 1317 | debug_print(mod_driver, "ciphertext reference:\n %s", |
| 1318 | octet_string_hex_string(srtp_ciphertext, len)); |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 1319 | |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 1320 | if (octet_string_is_eq(srtp_plaintext, srtp_ciphertext, len)) { |
| 1321 | return srtp_err_status_fail; |
| 1322 | } |
Jonathan Lennox | 80c4c83 | 2010-05-17 19:30:28 +0000 | [diff] [blame] | 1323 | |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 1324 | /* |
| 1325 | * create a receiver session context comparable to the one created |
| 1326 | * above - we need to do this so that the replay checking doesn't |
| 1327 | * complain |
| 1328 | */ |
| 1329 | status = srtp_create(&srtp_recv, &policy); |
| 1330 | if (status) { |
| 1331 | return status; |
| 1332 | } |
Jonathan Lennox | 80c4c83 | 2010-05-17 19:30:28 +0000 | [diff] [blame] | 1333 | |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 1334 | /* |
| 1335 | * unprotect ciphertext, then compare with plaintext |
| 1336 | */ |
| 1337 | status = srtp_unprotect(srtp_recv, srtp_ciphertext, &len); |
| 1338 | if (status || (len != 28)) { |
| 1339 | return status; |
| 1340 | } |
| 1341 | |
| 1342 | if (octet_string_is_eq(srtp_ciphertext, srtp_plaintext_ref, len)) { |
| 1343 | return srtp_err_status_fail; |
| 1344 | } |
| 1345 | |
| 1346 | status = srtp_dealloc(srtp_snd); |
| 1347 | if (status) { |
| 1348 | return status; |
| 1349 | } |
| 1350 | |
| 1351 | status = srtp_dealloc(srtp_recv); |
| 1352 | if (status) { |
| 1353 | return status; |
| 1354 | } |
| 1355 | |
| 1356 | return srtp_err_status_ok; |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 1357 | } |
| 1358 | |
| 1359 | |
Jonathan Lennox | 5df951a | 2010-05-20 20:55:54 +0000 | [diff] [blame] | 1360 | /* |
| 1361 | * srtp_validate_aes_256() verifies the correctness of libsrtp by comparing |
| 1362 | * some computed packets against some pre-computed reference values. |
| 1363 | * These packets were made with the AES-CM-256/HMAC-SHA-1-80 policy. |
| 1364 | */ |
| 1365 | |
| 1366 | |
jfigus | 857009c | 2014-11-05 11:17:43 -0500 | [diff] [blame] | 1367 | srtp_err_status_t |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 1368 | srtp_validate_aes_256 () |
| 1369 | { |
| 1370 | unsigned char aes_256_test_key[46] = { |
| 1371 | 0xf0, 0xf0, 0x49, 0x14, 0xb5, 0x13, 0xf2, 0x76, |
| 1372 | 0x3a, 0x1b, 0x1f, 0xa1, 0x30, 0xf1, 0x0e, 0x29, |
| 1373 | 0x98, 0xf6, 0xf6, 0xe4, 0x3e, 0x43, 0x09, 0xd1, |
| 1374 | 0xe6, 0x22, 0xa0, 0xe3, 0x32, 0xb9, 0xf1, 0xb6, |
Jonathan Lennox | 5df951a | 2010-05-20 20:55:54 +0000 | [diff] [blame] | 1375 | |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 1376 | 0x3b, 0x04, 0x80, 0x3d, 0xe5, 0x1e, 0xe7, 0xc9, |
| 1377 | 0x64, 0x23, 0xab, 0x5b, 0x78, 0xd2 |
| 1378 | }; |
| 1379 | uint8_t srtp_plaintext_ref[28] = { |
| 1380 | 0x80, 0x0f, 0x12, 0x34, 0xde, 0xca, 0xfb, 0xad, |
| 1381 | 0xca, 0xfe, 0xba, 0xbe, 0xab, 0xab, 0xab, 0xab, |
| 1382 | 0xab, 0xab, 0xab, 0xab, 0xab, 0xab, 0xab, 0xab, |
| 1383 | 0xab, 0xab, 0xab, 0xab |
| 1384 | }; |
| 1385 | uint8_t srtp_plaintext[38] = { |
| 1386 | 0x80, 0x0f, 0x12, 0x34, 0xde, 0xca, 0xfb, 0xad, |
| 1387 | 0xca, 0xfe, 0xba, 0xbe, 0xab, 0xab, 0xab, 0xab, |
| 1388 | 0xab, 0xab, 0xab, 0xab, 0xab, 0xab, 0xab, 0xab, |
| 1389 | 0xab, 0xab, 0xab, 0xab, 0x00, 0x00, 0x00, 0x00, |
| 1390 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 |
| 1391 | }; |
| 1392 | uint8_t srtp_ciphertext[38] = { |
| 1393 | 0x80, 0x0f, 0x12, 0x34, 0xde, 0xca, 0xfb, 0xad, |
| 1394 | 0xca, 0xfe, 0xba, 0xbe, 0xf1, 0xd9, 0xde, 0x17, |
| 1395 | 0xff, 0x25, 0x1f, 0xf1, 0xaa, 0x00, 0x77, 0x74, |
| 1396 | 0xb0, 0xb4, 0xb4, 0x0d, 0xa0, 0x8d, 0x9d, 0x9a, |
| 1397 | 0x5b, 0x3a, 0x55, 0xd8, 0x87, 0x3b |
| 1398 | }; |
| 1399 | srtp_t srtp_snd, srtp_recv; |
| 1400 | srtp_err_status_t status; |
| 1401 | int len; |
| 1402 | srtp_policy_t policy; |
Jonathan Lennox | 5df951a | 2010-05-20 20:55:54 +0000 | [diff] [blame] | 1403 | |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 1404 | /* |
| 1405 | * create a session with a single stream using the default srtp |
| 1406 | * policy and with the SSRC value 0xcafebabe |
| 1407 | */ |
| 1408 | srtp_crypto_policy_set_aes_cm_256_hmac_sha1_80(&policy.rtp); |
| 1409 | srtp_crypto_policy_set_aes_cm_256_hmac_sha1_80(&policy.rtcp); |
| 1410 | policy.ssrc.type = ssrc_specific; |
| 1411 | policy.ssrc.value = 0xcafebabe; |
| 1412 | policy.key = aes_256_test_key; |
| 1413 | policy.ekt = NULL; |
| 1414 | policy.window_size = 128; |
| 1415 | policy.allow_repeat_tx = 0; |
| 1416 | policy.next = NULL; |
Jonathan Lennox | 5df951a | 2010-05-20 20:55:54 +0000 | [diff] [blame] | 1417 | |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 1418 | status = srtp_create(&srtp_snd, &policy); |
| 1419 | if (status) { |
| 1420 | return status; |
| 1421 | } |
Jonathan Lennox | 5df951a | 2010-05-20 20:55:54 +0000 | [diff] [blame] | 1422 | |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 1423 | /* |
| 1424 | * protect plaintext, then compare with ciphertext |
| 1425 | */ |
| 1426 | len = 28; |
| 1427 | status = srtp_protect(srtp_snd, srtp_plaintext, &len); |
| 1428 | if (status || (len != 38)) { |
| 1429 | return srtp_err_status_fail; |
| 1430 | } |
Jonathan Lennox | 5df951a | 2010-05-20 20:55:54 +0000 | [diff] [blame] | 1431 | |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 1432 | debug_print(mod_driver, "ciphertext:\n %s", |
| 1433 | octet_string_hex_string(srtp_plaintext, len)); |
| 1434 | debug_print(mod_driver, "ciphertext reference:\n %s", |
| 1435 | octet_string_hex_string(srtp_ciphertext, len)); |
Jonathan Lennox | 5df951a | 2010-05-20 20:55:54 +0000 | [diff] [blame] | 1436 | |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 1437 | if (octet_string_is_eq(srtp_plaintext, srtp_ciphertext, len)) { |
| 1438 | return srtp_err_status_fail; |
| 1439 | } |
Jonathan Lennox | 5df951a | 2010-05-20 20:55:54 +0000 | [diff] [blame] | 1440 | |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 1441 | /* |
| 1442 | * create a receiver session context comparable to the one created |
| 1443 | * above - we need to do this so that the replay checking doesn't |
| 1444 | * complain |
| 1445 | */ |
| 1446 | status = srtp_create(&srtp_recv, &policy); |
| 1447 | if (status) { |
| 1448 | return status; |
| 1449 | } |
Jonathan Lennox | 5df951a | 2010-05-20 20:55:54 +0000 | [diff] [blame] | 1450 | |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 1451 | /* |
| 1452 | * unprotect ciphertext, then compare with plaintext |
| 1453 | */ |
| 1454 | status = srtp_unprotect(srtp_recv, srtp_ciphertext, &len); |
| 1455 | if (status || (len != 28)) { |
| 1456 | return status; |
| 1457 | } |
| 1458 | |
| 1459 | if (octet_string_is_eq(srtp_ciphertext, srtp_plaintext_ref, len)) { |
| 1460 | return srtp_err_status_fail; |
| 1461 | } |
| 1462 | |
| 1463 | status = srtp_dealloc(srtp_snd); |
| 1464 | if (status) { |
| 1465 | return status; |
| 1466 | } |
| 1467 | |
| 1468 | status = srtp_dealloc(srtp_recv); |
| 1469 | if (status) { |
| 1470 | return status; |
| 1471 | } |
| 1472 | |
| 1473 | return srtp_err_status_ok; |
Jonathan Lennox | 5df951a | 2010-05-20 20:55:54 +0000 | [diff] [blame] | 1474 | } |
| 1475 | |
| 1476 | |
jfigus | 857009c | 2014-11-05 11:17:43 -0500 | [diff] [blame] | 1477 | srtp_err_status_t |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 1478 | srtp_create_big_policy (srtp_policy_t **list) |
| 1479 | { |
| 1480 | extern const srtp_policy_t *policy_array[]; |
| 1481 | srtp_policy_t *p, *tmp; |
| 1482 | int i = 0; |
| 1483 | uint32_t ssrc = 0; |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 1484 | |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 1485 | /* sanity checking */ |
| 1486 | if ((list == NULL) || (policy_array[0] == NULL)) { |
| 1487 | return srtp_err_status_bad_param; |
| 1488 | } |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 1489 | |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 1490 | /* |
| 1491 | * loop over policy list, mallocing a new list and copying values |
| 1492 | * into it (and incrementing the SSRC value as we go along) |
| 1493 | */ |
| 1494 | tmp = NULL; |
| 1495 | while (policy_array[i] != NULL) { |
| 1496 | p = (srtp_policy_t*)malloc(sizeof(srtp_policy_t)); |
| 1497 | if (p == NULL) { |
| 1498 | return srtp_err_status_bad_param; |
| 1499 | } |
| 1500 | memcpy(p, policy_array[i], sizeof(srtp_policy_t)); |
| 1501 | p->ssrc.type = ssrc_specific; |
| 1502 | p->ssrc.value = ssrc++; |
| 1503 | p->next = tmp; |
| 1504 | tmp = p; |
| 1505 | i++; |
| 1506 | } |
| 1507 | *list = p; |
| 1508 | |
| 1509 | return srtp_err_status_ok; |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 1510 | } |
| 1511 | |
jfigus | 857009c | 2014-11-05 11:17:43 -0500 | [diff] [blame] | 1512 | srtp_err_status_t |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 1513 | srtp_dealloc_big_policy (srtp_policy_t *list) |
| 1514 | { |
| 1515 | srtp_policy_t *p, *next; |
Jonathan Lennox | 80c4c83 | 2010-05-17 19:30:28 +0000 | [diff] [blame] | 1516 | |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 1517 | for (p = list; p != NULL; p = next) { |
| 1518 | next = p->next; |
| 1519 | free(p); |
| 1520 | } |
Jonathan Lennox | 80c4c83 | 2010-05-17 19:30:28 +0000 | [diff] [blame] | 1521 | |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 1522 | return srtp_err_status_ok; |
Jonathan Lennox | 80c4c83 | 2010-05-17 19:30:28 +0000 | [diff] [blame] | 1523 | } |
| 1524 | |
| 1525 | |
jfigus | 857009c | 2014-11-05 11:17:43 -0500 | [diff] [blame] | 1526 | srtp_err_status_t |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 1527 | srtp_test_remove_stream () |
| 1528 | { |
| 1529 | srtp_err_status_t status; |
| 1530 | srtp_policy_t *policy_list, policy; |
| 1531 | srtp_t session; |
| 1532 | srtp_stream_t stream; |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 1533 | |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 1534 | /* |
| 1535 | * srtp_get_stream() is a libSRTP internal function that we declare |
| 1536 | * here so that we can use it to verify the correct operation of the |
| 1537 | * library |
| 1538 | */ |
| 1539 | extern srtp_stream_t srtp_get_stream(srtp_t srtp, uint32_t ssrc); |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 1540 | |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 1541 | |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 1542 | status = srtp_create_big_policy(&policy_list); |
| 1543 | if (status) { |
| 1544 | return status; |
| 1545 | } |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 1546 | |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 1547 | status = srtp_create(&session, policy_list); |
| 1548 | if (status) { |
| 1549 | return status; |
| 1550 | } |
Jonathan Lennox | 80c4c83 | 2010-05-17 19:30:28 +0000 | [diff] [blame] | 1551 | |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 1552 | /* |
| 1553 | * check for false positives by trying to remove a stream that's not |
| 1554 | * in the session |
| 1555 | */ |
| 1556 | status = srtp_remove_stream(session, htonl(0xaaaaaaaa)); |
| 1557 | if (status != srtp_err_status_no_ctx) { |
| 1558 | return srtp_err_status_fail; |
| 1559 | } |
Jonathan Lennox | 80c4c83 | 2010-05-17 19:30:28 +0000 | [diff] [blame] | 1560 | |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 1561 | /* |
| 1562 | * check for false negatives by removing stream 0x1, then |
| 1563 | * searching for streams 0x0 and 0x2 |
| 1564 | */ |
| 1565 | status = srtp_remove_stream(session, htonl(0x1)); |
| 1566 | if (status != srtp_err_status_ok) { |
| 1567 | return srtp_err_status_fail; |
| 1568 | } |
| 1569 | stream = srtp_get_stream(session, htonl(0x0)); |
| 1570 | if (stream == NULL) { |
| 1571 | return srtp_err_status_fail; |
| 1572 | } |
| 1573 | stream = srtp_get_stream(session, htonl(0x2)); |
| 1574 | if (stream == NULL) { |
| 1575 | return srtp_err_status_fail; |
| 1576 | } |
Jonathan Lennox | ad741b2 | 2010-05-27 19:23:05 +0000 | [diff] [blame] | 1577 | |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 1578 | status = srtp_dealloc(session); |
| 1579 | if (status != srtp_err_status_ok) { |
| 1580 | return status; |
| 1581 | } |
Jonathan Lennox | ad741b2 | 2010-05-27 19:23:05 +0000 | [diff] [blame] | 1582 | |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 1583 | status = srtp_dealloc_big_policy(policy_list); |
| 1584 | if (status != srtp_err_status_ok) { |
| 1585 | return status; |
| 1586 | } |
Jonathan Lennox | ad741b2 | 2010-05-27 19:23:05 +0000 | [diff] [blame] | 1587 | |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 1588 | /* Now test adding and removing a single stream */ |
| 1589 | srtp_crypto_policy_set_rtp_default(&policy.rtp); |
| 1590 | srtp_crypto_policy_set_rtcp_default(&policy.rtcp); |
| 1591 | policy.ssrc.type = ssrc_specific; |
| 1592 | policy.ssrc.value = 0xcafebabe; |
| 1593 | policy.key = test_key; |
| 1594 | policy.ekt = NULL; |
| 1595 | policy.window_size = 128; |
| 1596 | policy.allow_repeat_tx = 0; |
| 1597 | policy.next = NULL; |
Jonathan Lennox | ad741b2 | 2010-05-27 19:23:05 +0000 | [diff] [blame] | 1598 | |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 1599 | status = srtp_create(&session, NULL); |
| 1600 | if (status != srtp_err_status_ok) { |
| 1601 | return status; |
| 1602 | } |
| 1603 | |
| 1604 | status = srtp_add_stream(session, &policy); |
| 1605 | if (status != srtp_err_status_ok) { |
| 1606 | return status; |
| 1607 | } |
| 1608 | |
| 1609 | status = srtp_remove_stream(session, htonl(0xcafebabe)); |
| 1610 | if (status != srtp_err_status_ok) { |
| 1611 | return status; |
| 1612 | } |
| 1613 | |
| 1614 | status = srtp_dealloc(session); |
| 1615 | if (status != srtp_err_status_ok) { |
| 1616 | return status; |
| 1617 | } |
| 1618 | |
| 1619 | return srtp_err_status_ok; |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 1620 | } |
| 1621 | |
Pascal Bühler | bd3112a | 2015-11-06 20:29:15 +0100 | [diff] [blame^] | 1622 | |
| 1623 | unsigned char test_alt_key[46] = { |
| 1624 | 0xe5, 0x19, 0x6f, 0x01, 0x5e, 0xf1, 0x9b, 0xe1, |
| 1625 | 0xd7, 0x47, 0xa7, 0x27, 0x07, 0xd7, 0x47, 0x33, |
| 1626 | 0x01, 0xc2, 0x35, 0x4d, 0x59, 0x6a, 0xf7, 0x84, |
| 1627 | 0x96, 0x98, 0xeb, 0xaa, 0xac, 0xf6, 0xa1, 0x45, |
| 1628 | 0xc7, 0x15, 0xe2, 0xea, 0xfe, 0x55, 0x67, 0x96, |
| 1629 | 0xb6, 0x96, 0x0b, 0x3a, 0xab, 0xe6 |
| 1630 | }; |
| 1631 | |
| 1632 | /* |
| 1633 | * srtp_test_update() verifies updating/rekeying exsisting streams. |
| 1634 | * As stated in https://tools.ietf.org/html/rfc3711#section-3.3.1 |
| 1635 | * the value of the ROC must not be reset after a rekey, this test |
| 1636 | * atempts to prove that srtp_update does not reset the ROC. |
| 1637 | */ |
| 1638 | |
| 1639 | srtp_err_status_t |
| 1640 | srtp_test_update() { |
| 1641 | |
| 1642 | srtp_err_status_t status; |
| 1643 | uint32_t ssrc = 0x12121212; |
| 1644 | int msg_len_octets = 32; |
| 1645 | int protected_msg_len_octets; |
| 1646 | srtp_hdr_t * msg; |
| 1647 | srtp_t srtp_snd, srtp_recv; |
| 1648 | srtp_policy_t policy; |
| 1649 | |
| 1650 | srtp_crypto_policy_set_rtp_default(&policy.rtp); |
| 1651 | srtp_crypto_policy_set_rtcp_default(&policy.rtcp); |
| 1652 | policy.ekt = NULL; |
| 1653 | policy.window_size = 128; |
| 1654 | policy.allow_repeat_tx = 0; |
| 1655 | policy.next = NULL; |
| 1656 | policy.ssrc.type = ssrc_any_outbound; |
| 1657 | policy.key = test_key; |
| 1658 | |
| 1659 | /* create a send and recive ctx with defualt profile and test_key */ |
| 1660 | status = srtp_create(&srtp_recv, &policy); |
| 1661 | if (status) |
| 1662 | return status; |
| 1663 | |
| 1664 | policy.ssrc.type = ssrc_any_inbound; |
| 1665 | status = srtp_create(&srtp_snd, &policy); |
| 1666 | if (status) |
| 1667 | return status; |
| 1668 | |
| 1669 | /* protect and unprotect two msg's that will cause the ROC to be equal to 1 */ |
| 1670 | msg = srtp_create_test_packet(msg_len_octets, ssrc); |
| 1671 | if (msg == NULL) |
| 1672 | return srtp_err_status_alloc_fail; |
| 1673 | msg->seq = htons(65535); |
| 1674 | |
| 1675 | protected_msg_len_octets = msg_len_octets; |
| 1676 | status = srtp_protect(srtp_snd, msg, &protected_msg_len_octets); |
| 1677 | if (status) |
| 1678 | return srtp_err_status_fail; |
| 1679 | |
| 1680 | status = srtp_unprotect(srtp_recv, msg, &protected_msg_len_octets); |
| 1681 | if (status) |
| 1682 | return status; |
| 1683 | |
| 1684 | free(msg); |
| 1685 | |
| 1686 | msg = srtp_create_test_packet(msg_len_octets, ssrc); |
| 1687 | if (msg == NULL) |
| 1688 | return srtp_err_status_alloc_fail; |
| 1689 | msg->seq = htons(1); |
| 1690 | |
| 1691 | protected_msg_len_octets = msg_len_octets; |
| 1692 | status = srtp_protect(srtp_snd, msg, &protected_msg_len_octets); |
| 1693 | if (status) |
| 1694 | return srtp_err_status_fail; |
| 1695 | |
| 1696 | status = srtp_unprotect(srtp_recv, msg, &protected_msg_len_octets); |
| 1697 | if (status) |
| 1698 | return status; |
| 1699 | |
| 1700 | free(msg); |
| 1701 | |
| 1702 | /* update send ctx to use test_alt_key */ |
| 1703 | policy.ssrc.type = ssrc_any_outbound; |
| 1704 | policy.key = test_alt_key; |
| 1705 | status = srtp_update(srtp_snd, &policy); |
| 1706 | if (status) |
| 1707 | return status; |
| 1708 | |
| 1709 | /* create and protect msg with new key and ROC still equal to 1 */ |
| 1710 | msg = srtp_create_test_packet(msg_len_octets, ssrc); |
| 1711 | if (msg == NULL) |
| 1712 | return srtp_err_status_alloc_fail; |
| 1713 | msg->seq = htons(2); |
| 1714 | |
| 1715 | protected_msg_len_octets = msg_len_octets; |
| 1716 | status = srtp_protect(srtp_snd, msg, &protected_msg_len_octets); |
| 1717 | if (status) |
| 1718 | return srtp_err_status_fail; |
| 1719 | |
| 1720 | /* verify that recive ctx will fail to unprotect as it still uses test_key */ |
| 1721 | status = srtp_unprotect(srtp_recv, msg, &protected_msg_len_octets); |
| 1722 | if (status == srtp_err_status_ok) |
| 1723 | return srtp_err_status_fail; |
| 1724 | |
| 1725 | /* create a new recvieve ctx with test_alt_key but since it is new it will have ROC equal to 1 |
| 1726 | * and therefore should fail to unprotected */ |
| 1727 | { |
| 1728 | srtp_t srtp_recv_roc_0; |
| 1729 | |
| 1730 | policy.ssrc.type = ssrc_any_inbound; |
| 1731 | policy.key = test_alt_key; |
| 1732 | status = srtp_create(&srtp_recv_roc_0, &policy); |
| 1733 | if (status) |
| 1734 | return status; |
| 1735 | |
| 1736 | status = srtp_unprotect(srtp_recv_roc_0, msg, &protected_msg_len_octets); |
| 1737 | if (status == srtp_err_status_ok) |
| 1738 | return srtp_err_status_fail; |
| 1739 | |
| 1740 | status = srtp_dealloc(srtp_recv_roc_0); |
| 1741 | if (status) |
| 1742 | return status; |
| 1743 | } |
| 1744 | |
| 1745 | /* update recive ctx to use test_alt_key */ |
| 1746 | policy.ssrc.type = ssrc_any_inbound; |
| 1747 | policy.key = test_alt_key; |
| 1748 | status = srtp_update(srtp_recv, &policy); |
| 1749 | if (status) |
| 1750 | return status; |
| 1751 | |
| 1752 | /* verify that can still unprotect, therfore key is updated and ROC value is preserved */ |
| 1753 | status = srtp_unprotect(srtp_recv, msg, &protected_msg_len_octets); |
| 1754 | if (status) |
| 1755 | return status; |
| 1756 | |
| 1757 | free(msg); |
| 1758 | |
| 1759 | status = srtp_dealloc(srtp_snd); |
| 1760 | if (status) |
| 1761 | return status; |
| 1762 | |
| 1763 | status = srtp_dealloc(srtp_recv); |
| 1764 | if (status) |
| 1765 | return status; |
| 1766 | |
| 1767 | return srtp_err_status_ok; |
| 1768 | } |
| 1769 | |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 1770 | /* |
| 1771 | * srtp policy definitions - these definitions are used above |
| 1772 | */ |
| 1773 | |
jfigus | 8c36da2 | 2013-10-01 16:41:19 -0400 | [diff] [blame] | 1774 | unsigned char test_key[46] = { |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 1775 | 0xe1, 0xf9, 0x7a, 0x0d, 0x3e, 0x01, 0x8b, 0xe0, |
| 1776 | 0xd6, 0x4f, 0xa3, 0x2c, 0x06, 0xde, 0x41, 0x39, |
| 1777 | 0x0e, 0xc6, 0x75, 0xad, 0x49, 0x8a, 0xfe, 0xeb, |
jfigus | 8c36da2 | 2013-10-01 16:41:19 -0400 | [diff] [blame] | 1778 | 0xb6, 0x96, 0x0b, 0x3a, 0xab, 0xe6, 0xc1, 0x73, |
| 1779 | 0xc3, 0x17, 0xf2, 0xda, 0xbe, 0x35, 0x77, 0x93, |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 1780 | 0xb6, 0x96, 0x0b, 0x3a, 0xab, 0xe6 |
| 1781 | }; |
| 1782 | |
| 1783 | |
| 1784 | const srtp_policy_t default_policy = { |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 1785 | { ssrc_any_outbound, 0 }, /* SSRC */ |
| 1786 | { /* SRTP policy */ |
| 1787 | SRTP_AES_128_ICM, /* cipher type */ |
| 1788 | 30, /* cipher key length in octets */ |
| 1789 | SRTP_HMAC_SHA1, /* authentication func type */ |
| 1790 | 16, /* auth key length in octets */ |
| 1791 | 10, /* auth tag length in octets */ |
| 1792 | sec_serv_conf_and_auth /* security services flag */ |
| 1793 | }, |
| 1794 | { /* SRTCP policy */ |
| 1795 | SRTP_AES_128_ICM, /* cipher type */ |
| 1796 | 30, /* cipher key length in octets */ |
| 1797 | SRTP_HMAC_SHA1, /* authentication func type */ |
| 1798 | 16, /* auth key length in octets */ |
| 1799 | 10, /* auth tag length in octets */ |
| 1800 | sec_serv_conf_and_auth /* security services flag */ |
| 1801 | }, |
| 1802 | test_key, |
| 1803 | NULL, /* indicates that EKT is not in use */ |
| 1804 | 128, /* replay window size */ |
| 1805 | 0, /* retransmission not allowed */ |
| 1806 | NULL |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 1807 | }; |
| 1808 | |
| 1809 | const srtp_policy_t aes_only_policy = { |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 1810 | { ssrc_any_outbound, 0 }, /* SSRC */ |
| 1811 | { |
| 1812 | SRTP_AES_128_ICM, /* cipher type */ |
| 1813 | 30, /* cipher key length in octets */ |
| 1814 | SRTP_NULL_AUTH, /* authentication func type */ |
| 1815 | 0, /* auth key length in octets */ |
| 1816 | 0, /* auth tag length in octets */ |
| 1817 | sec_serv_conf /* security services flag */ |
| 1818 | }, |
| 1819 | { |
| 1820 | SRTP_AES_128_ICM, /* cipher type */ |
| 1821 | 30, /* cipher key length in octets */ |
| 1822 | SRTP_NULL_AUTH, /* authentication func type */ |
| 1823 | 0, /* auth key length in octets */ |
| 1824 | 0, /* auth tag length in octets */ |
| 1825 | sec_serv_conf /* security services flag */ |
| 1826 | }, |
| 1827 | test_key, |
| 1828 | NULL, /* indicates that EKT is not in use */ |
| 1829 | 128, /* replay window size */ |
| 1830 | 0, /* retransmission not allowed */ |
| 1831 | NULL |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 1832 | }; |
| 1833 | |
| 1834 | const srtp_policy_t hmac_only_policy = { |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 1835 | { ssrc_any_outbound, 0 }, /* SSRC */ |
| 1836 | { |
| 1837 | SRTP_NULL_CIPHER, /* cipher type */ |
| 1838 | 0, /* cipher key length in octets */ |
| 1839 | SRTP_HMAC_SHA1, /* authentication func type */ |
| 1840 | 20, /* auth key length in octets */ |
| 1841 | 4, /* auth tag length in octets */ |
| 1842 | sec_serv_auth /* security services flag */ |
| 1843 | }, |
| 1844 | { |
| 1845 | SRTP_NULL_CIPHER, /* cipher type */ |
| 1846 | 0, /* cipher key length in octets */ |
| 1847 | SRTP_HMAC_SHA1, /* authentication func type */ |
| 1848 | 20, /* auth key length in octets */ |
| 1849 | 4, /* auth tag length in octets */ |
| 1850 | sec_serv_auth /* security services flag */ |
| 1851 | }, |
| 1852 | test_key, |
| 1853 | NULL, /* indicates that EKT is not in use */ |
| 1854 | 128, /* replay window size */ |
| 1855 | 0, /* retransmission not allowed */ |
| 1856 | NULL |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 1857 | }; |
| 1858 | |
jfigus | 8c36da2 | 2013-10-01 16:41:19 -0400 | [diff] [blame] | 1859 | #ifdef OPENSSL |
| 1860 | const srtp_policy_t aes128_gcm_8_policy = { |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 1861 | { ssrc_any_outbound, 0 }, /* SSRC */ |
| 1862 | { /* SRTP policy */ |
| 1863 | SRTP_AES_128_GCM, /* cipher type */ |
| 1864 | SRTP_AES_128_GCM_KEYSIZE_WSALT, /* cipher key length in octets */ |
| 1865 | SRTP_NULL_AUTH, /* authentication func type */ |
| 1866 | 0, /* auth key length in octets */ |
| 1867 | 8, /* auth tag length in octets */ |
| 1868 | sec_serv_conf_and_auth /* security services flag */ |
jfigus | 8c36da2 | 2013-10-01 16:41:19 -0400 | [diff] [blame] | 1869 | }, |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 1870 | { /* SRTCP policy */ |
| 1871 | SRTP_AES_128_GCM, /* cipher type */ |
| 1872 | SRTP_AES_128_GCM_KEYSIZE_WSALT, /* cipher key length in octets */ |
| 1873 | SRTP_NULL_AUTH, /* authentication func type */ |
| 1874 | 0, /* auth key length in octets */ |
| 1875 | 8, /* auth tag length in octets */ |
| 1876 | sec_serv_conf_and_auth /* security services flag */ |
jfigus | 8c36da2 | 2013-10-01 16:41:19 -0400 | [diff] [blame] | 1877 | }, |
| 1878 | test_key, |
| 1879 | NULL, /* indicates that EKT is not in use */ |
| 1880 | 128, /* replay window size */ |
| 1881 | 0, /* retransmission not allowed */ |
| 1882 | NULL |
| 1883 | }; |
| 1884 | |
| 1885 | const srtp_policy_t aes128_gcm_8_cauth_policy = { |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 1886 | { ssrc_any_outbound, 0 }, /* SSRC */ |
| 1887 | { /* SRTP policy */ |
| 1888 | SRTP_AES_128_GCM, /* cipher type */ |
| 1889 | SRTP_AES_128_GCM_KEYSIZE_WSALT, /* cipher key length in octets */ |
| 1890 | SRTP_NULL_AUTH, /* authentication func type */ |
| 1891 | 0, /* auth key length in octets */ |
| 1892 | 8, /* auth tag length in octets */ |
| 1893 | sec_serv_conf_and_auth /* security services flag */ |
jfigus | 8c36da2 | 2013-10-01 16:41:19 -0400 | [diff] [blame] | 1894 | }, |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 1895 | { /* SRTCP policy */ |
| 1896 | SRTP_AES_128_GCM, /* cipher type */ |
| 1897 | SRTP_AES_128_GCM_KEYSIZE_WSALT, /* cipher key length in octets */ |
| 1898 | SRTP_NULL_AUTH, /* authentication func type */ |
| 1899 | 0, /* auth key length in octets */ |
| 1900 | 8, /* auth tag length in octets */ |
| 1901 | sec_serv_auth /* security services flag */ |
jfigus | 8c36da2 | 2013-10-01 16:41:19 -0400 | [diff] [blame] | 1902 | }, |
| 1903 | test_key, |
| 1904 | NULL, /* indicates that EKT is not in use */ |
| 1905 | 128, /* replay window size */ |
| 1906 | 0, /* retransmission not allowed */ |
| 1907 | NULL |
| 1908 | }; |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 1909 | |
jfigus | 8c36da2 | 2013-10-01 16:41:19 -0400 | [diff] [blame] | 1910 | const srtp_policy_t aes256_gcm_8_policy = { |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 1911 | { ssrc_any_outbound, 0 }, /* SSRC */ |
| 1912 | { /* SRTP policy */ |
| 1913 | SRTP_AES_256_GCM, /* cipher type */ |
| 1914 | SRTP_AES_256_GCM_KEYSIZE_WSALT, /* cipher key length in octets */ |
| 1915 | SRTP_NULL_AUTH, /* authentication func type */ |
| 1916 | 0, /* auth key length in octets */ |
| 1917 | 8, /* auth tag length in octets */ |
| 1918 | sec_serv_conf_and_auth /* security services flag */ |
jfigus | 8c36da2 | 2013-10-01 16:41:19 -0400 | [diff] [blame] | 1919 | }, |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 1920 | { /* SRTCP policy */ |
| 1921 | SRTP_AES_256_GCM, /* cipher type */ |
| 1922 | SRTP_AES_256_GCM_KEYSIZE_WSALT, /* cipher key length in octets */ |
| 1923 | SRTP_NULL_AUTH, /* authentication func type */ |
| 1924 | 0, /* auth key length in octets */ |
| 1925 | 8, /* auth tag length in octets */ |
| 1926 | sec_serv_conf_and_auth /* security services flag */ |
jfigus | 8c36da2 | 2013-10-01 16:41:19 -0400 | [diff] [blame] | 1927 | }, |
| 1928 | test_key, |
| 1929 | NULL, /* indicates that EKT is not in use */ |
| 1930 | 128, /* replay window size */ |
| 1931 | 0, /* retransmission not allowed */ |
| 1932 | NULL |
| 1933 | }; |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 1934 | |
jfigus | 8c36da2 | 2013-10-01 16:41:19 -0400 | [diff] [blame] | 1935 | const srtp_policy_t aes256_gcm_8_cauth_policy = { |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 1936 | { ssrc_any_outbound, 0 }, /* SSRC */ |
| 1937 | { /* SRTP policy */ |
| 1938 | SRTP_AES_256_GCM, /* cipher type */ |
| 1939 | SRTP_AES_256_GCM_KEYSIZE_WSALT, /* cipher key length in octets */ |
| 1940 | SRTP_NULL_AUTH, /* authentication func type */ |
| 1941 | 0, /* auth key length in octets */ |
| 1942 | 8, /* auth tag length in octets */ |
| 1943 | sec_serv_conf_and_auth /* security services flag */ |
jfigus | 8c36da2 | 2013-10-01 16:41:19 -0400 | [diff] [blame] | 1944 | }, |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 1945 | { /* SRTCP policy */ |
| 1946 | SRTP_AES_256_GCM, /* cipher type */ |
| 1947 | SRTP_AES_256_GCM_KEYSIZE_WSALT, /* cipher key length in octets */ |
| 1948 | SRTP_NULL_AUTH, /* authentication func type */ |
| 1949 | 0, /* auth key length in octets */ |
| 1950 | 8, /* auth tag length in octets */ |
| 1951 | sec_serv_auth /* security services flag */ |
jfigus | 8c36da2 | 2013-10-01 16:41:19 -0400 | [diff] [blame] | 1952 | }, |
| 1953 | test_key, |
| 1954 | NULL, /* indicates that EKT is not in use */ |
| 1955 | 128, /* replay window size */ |
| 1956 | 0, /* retransmission not allowed */ |
| 1957 | NULL |
| 1958 | }; |
| 1959 | #endif |
| 1960 | |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 1961 | const srtp_policy_t null_policy = { |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 1962 | { ssrc_any_outbound, 0 }, /* SSRC */ |
| 1963 | { |
| 1964 | SRTP_NULL_CIPHER, /* cipher type */ |
| 1965 | 0, /* cipher key length in octets */ |
| 1966 | SRTP_NULL_AUTH, /* authentication func type */ |
| 1967 | 0, /* auth key length in octets */ |
| 1968 | 0, /* auth tag length in octets */ |
| 1969 | sec_serv_none /* security services flag */ |
| 1970 | }, |
| 1971 | { |
| 1972 | SRTP_NULL_CIPHER, /* cipher type */ |
| 1973 | 0, /* cipher key length in octets */ |
| 1974 | SRTP_NULL_AUTH, /* authentication func type */ |
| 1975 | 0, /* auth key length in octets */ |
| 1976 | 0, /* auth tag length in octets */ |
| 1977 | sec_serv_none /* security services flag */ |
| 1978 | }, |
| 1979 | test_key, |
| 1980 | NULL, /* indicates that EKT is not in use */ |
| 1981 | 128, /* replay window size */ |
| 1982 | 0, /* retransmission not allowed */ |
| 1983 | NULL |
David McGrew | 79870d6 | 2007-06-15 18:17:39 +0000 | [diff] [blame] | 1984 | }; |
| 1985 | |
Jonathan Lennox | 5df951a | 2010-05-20 20:55:54 +0000 | [diff] [blame] | 1986 | unsigned char test_256_key[46] = { |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 1987 | 0xf0, 0xf0, 0x49, 0x14, 0xb5, 0x13, 0xf2, 0x76, |
| 1988 | 0x3a, 0x1b, 0x1f, 0xa1, 0x30, 0xf1, 0x0e, 0x29, |
| 1989 | 0x98, 0xf6, 0xf6, 0xe4, 0x3e, 0x43, 0x09, 0xd1, |
| 1990 | 0xe6, 0x22, 0xa0, 0xe3, 0x32, 0xb9, 0xf1, 0xb6, |
Jonathan Lennox | 5df951a | 2010-05-20 20:55:54 +0000 | [diff] [blame] | 1991 | |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 1992 | 0x3b, 0x04, 0x80, 0x3d, 0xe5, 0x1e, 0xe7, 0xc9, |
| 1993 | 0x64, 0x23, 0xab, 0x5b, 0x78, 0xd2 |
Jonathan Lennox | 5df951a | 2010-05-20 20:55:54 +0000 | [diff] [blame] | 1994 | }; |
| 1995 | |
| 1996 | const srtp_policy_t aes_256_hmac_policy = { |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 1997 | { ssrc_any_outbound, 0 }, /* SSRC */ |
| 1998 | { /* SRTP policy */ |
| 1999 | SRTP_AES_ICM, /* cipher type */ |
| 2000 | 46, /* cipher key length in octets */ |
| 2001 | SRTP_HMAC_SHA1, /* authentication func type */ |
| 2002 | 20, /* auth key length in octets */ |
| 2003 | 10, /* auth tag length in octets */ |
| 2004 | sec_serv_conf_and_auth /* security services flag */ |
| 2005 | }, |
| 2006 | { /* SRTCP policy */ |
| 2007 | SRTP_AES_ICM, /* cipher type */ |
| 2008 | 46, /* cipher key length in octets */ |
| 2009 | SRTP_HMAC_SHA1, /* authentication func type */ |
| 2010 | 20, /* auth key length in octets */ |
| 2011 | 10, /* auth tag length in octets */ |
| 2012 | sec_serv_conf_and_auth /* security services flag */ |
| 2013 | }, |
| 2014 | test_256_key, |
| 2015 | NULL, /* indicates that EKT is not in use */ |
| 2016 | 128, /* replay window size */ |
| 2017 | 0, /* retransmission not allowed */ |
| 2018 | NULL |
Jonathan Lennox | 5df951a | 2010-05-20 20:55:54 +0000 | [diff] [blame] | 2019 | }; |
| 2020 | |
David McGrew | 79870d6 | 2007-06-15 18:17:39 +0000 | [diff] [blame] | 2021 | uint8_t ekt_test_key[16] = { |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 2022 | 0x77, 0x26, 0x9d, 0xac, 0x16, 0xa3, 0x28, 0xca, |
| 2023 | 0x8e, 0xc9, 0x68, 0x4b, 0xcc, 0xc4, 0xd2, 0x1b |
David McGrew | 79870d6 | 2007-06-15 18:17:39 +0000 | [diff] [blame] | 2024 | }; |
| 2025 | |
| 2026 | #include "ekt.h" |
| 2027 | |
jfigus | c5887e7 | 2014-11-06 09:46:18 -0500 | [diff] [blame] | 2028 | srtp_ekt_policy_ctx_t ekt_test_policy = { |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 2029 | 0xa5a5, /* SPI */ |
| 2030 | SRTP_EKT_CIPHER_AES_128_ECB, |
| 2031 | ekt_test_key, |
| 2032 | NULL |
David McGrew | 79870d6 | 2007-06-15 18:17:39 +0000 | [diff] [blame] | 2033 | }; |
| 2034 | |
| 2035 | const srtp_policy_t hmac_only_with_ekt_policy = { |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 2036 | { ssrc_any_outbound, 0 }, /* SSRC */ |
| 2037 | { |
| 2038 | SRTP_NULL_CIPHER, /* cipher type */ |
| 2039 | 0, /* cipher key length in octets */ |
| 2040 | SRTP_HMAC_SHA1, /* authentication func type */ |
| 2041 | 20, /* auth key length in octets */ |
| 2042 | 4, /* auth tag length in octets */ |
| 2043 | sec_serv_auth /* security services flag */ |
| 2044 | }, |
| 2045 | { |
| 2046 | SRTP_NULL_CIPHER, /* cipher type */ |
| 2047 | 0, /* cipher key length in octets */ |
| 2048 | SRTP_HMAC_SHA1, /* authentication func type */ |
| 2049 | 20, /* auth key length in octets */ |
| 2050 | 4, /* auth tag length in octets */ |
| 2051 | sec_serv_auth /* security services flag */ |
| 2052 | }, |
| 2053 | test_key, |
| 2054 | &ekt_test_policy, /* indicates that EKT is not in use */ |
| 2055 | 128, /* replay window size */ |
| 2056 | 0, /* retransmission not allowed */ |
| 2057 | NULL |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 2058 | }; |
| 2059 | |
| 2060 | |
| 2061 | /* |
| 2062 | * an array of pointers to the policies listed above |
| 2063 | * |
| 2064 | * This array is used to test various aspects of libSRTP for |
| 2065 | * different cryptographic policies. The order of the elements |
| 2066 | * matters - the timing test generates output that can be used |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 2067 | * in a plot (see the gnuplot script file 'timing'). If you |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 2068 | * add to this list, you should do it at the end. |
| 2069 | */ |
| 2070 | |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 2071 | const srtp_policy_t * |
| 2072 | policy_array[] = { |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 2073 | &hmac_only_policy, |
| 2074 | &aes_only_policy, |
| 2075 | &default_policy, |
jfigus | 8c36da2 | 2013-10-01 16:41:19 -0400 | [diff] [blame] | 2076 | #ifdef OPENSSL |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 2077 | &aes128_gcm_8_policy, |
| 2078 | &aes128_gcm_8_cauth_policy, |
| 2079 | &aes256_gcm_8_policy, |
| 2080 | &aes256_gcm_8_cauth_policy, |
jfigus | 8c36da2 | 2013-10-01 16:41:19 -0400 | [diff] [blame] | 2081 | #endif |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 2082 | &null_policy, |
| 2083 | &aes_256_hmac_policy, |
| 2084 | &hmac_only_with_ekt_policy, |
| 2085 | NULL |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 2086 | }; |
| 2087 | |
| 2088 | const srtp_policy_t wildcard_policy = { |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 2089 | { ssrc_any_outbound, 0 }, /* SSRC */ |
| 2090 | { /* SRTP policy */ |
| 2091 | SRTP_AES_128_ICM, /* cipher type */ |
| 2092 | 30, /* cipher key length in octets */ |
| 2093 | SRTP_HMAC_SHA1, /* authentication func type */ |
| 2094 | 16, /* auth key length in octets */ |
| 2095 | 10, /* auth tag length in octets */ |
| 2096 | sec_serv_conf_and_auth /* security services flag */ |
| 2097 | }, |
| 2098 | { /* SRTCP policy */ |
| 2099 | SRTP_AES_128_ICM, /* cipher type */ |
| 2100 | 30, /* cipher key length in octets */ |
| 2101 | SRTP_HMAC_SHA1, /* authentication func type */ |
| 2102 | 16, /* auth key length in octets */ |
| 2103 | 10, /* auth tag length in octets */ |
| 2104 | sec_serv_conf_and_auth /* security services flag */ |
| 2105 | }, |
| 2106 | test_key, |
| 2107 | NULL, |
| 2108 | 128, /* replay window size */ |
| 2109 | 0, /* retransmission not allowed */ |
| 2110 | NULL |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 2111 | }; |