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 |
Joachim Bauch | 99a7482 | 2015-11-17 00:08:19 +0100 | [diff] [blame^] | 67 | srtp_validate_encrypted_extensions_headers(void); |
| 68 | |
| 69 | srtp_err_status_t |
Jonathan Lennox | 5df951a | 2010-05-20 20:55:54 +0000 | [diff] [blame] | 70 | srtp_validate_aes_256(void); |
| 71 | |
jfigus | 857009c | 2014-11-05 11:17:43 -0500 | [diff] [blame] | 72 | srtp_err_status_t |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 73 | srtp_create_big_policy(srtp_policy_t **list); |
| 74 | |
jfigus | 857009c | 2014-11-05 11:17:43 -0500 | [diff] [blame] | 75 | srtp_err_status_t |
Jonathan Lennox | 80c4c83 | 2010-05-17 19:30:28 +0000 | [diff] [blame] | 76 | srtp_dealloc_big_policy(srtp_policy_t *list); |
| 77 | |
jfigus | 857009c | 2014-11-05 11:17:43 -0500 | [diff] [blame] | 78 | srtp_err_status_t |
Marcus Sundberg | a3f95fe | 2005-09-29 12:48:41 +0000 | [diff] [blame] | 79 | srtp_test_remove_stream(void); |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 80 | |
| 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 |
Joachim Bauch | 99a7482 | 2015-11-17 00:08:19 +0100 | [diff] [blame^] | 94 | srtp_test(const srtp_policy_t *policy, int extension_header); |
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"); |
Joachim Bauch | 99a7482 | 2015-11-17 00:08:19 +0100 | [diff] [blame^] | 241 | if (srtp_test(*policy, 0) == srtp_err_status_ok) { |
| 242 | printf("passed\n\n"); |
| 243 | } else{ |
| 244 | printf("failed\n"); |
| 245 | exit(1); |
| 246 | } |
| 247 | printf("testing srtp_protect and srtp_unprotect with encrypted extensions headers\n"); |
| 248 | if (srtp_test(*policy, 1) == srtp_err_status_ok) { |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 249 | printf("passed\n\n"); |
| 250 | } else{ |
| 251 | printf("failed\n"); |
| 252 | exit(1); |
| 253 | } |
| 254 | printf("testing srtp_protect_rtcp and srtp_unprotect_rtcp\n"); |
| 255 | if (srtcp_test(*policy) == srtp_err_status_ok) { |
| 256 | printf("passed\n\n"); |
| 257 | } else{ |
| 258 | printf("failed\n"); |
| 259 | exit(1); |
| 260 | } |
| 261 | policy++; |
| 262 | } |
| 263 | |
| 264 | /* create a big policy list and run tests on it */ |
| 265 | status = srtp_create_big_policy(&big_policy); |
| 266 | if (status) { |
| 267 | printf("unexpected failure with error code %d\n", status); |
| 268 | exit(1); |
| 269 | } |
| 270 | printf("testing srtp_protect and srtp_unprotect with big policy\n"); |
Joachim Bauch | 99a7482 | 2015-11-17 00:08:19 +0100 | [diff] [blame^] | 271 | if (srtp_test(big_policy, 0) == srtp_err_status_ok) { |
| 272 | printf("passed\n\n"); |
| 273 | } else{ |
| 274 | printf("failed\n"); |
| 275 | exit(1); |
| 276 | } |
| 277 | printf("testing srtp_protect and srtp_unprotect with big policy and encrypted extensions headers\n"); |
| 278 | if (srtp_test(big_policy, 1) == srtp_err_status_ok) { |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 279 | printf("passed\n\n"); |
| 280 | } else{ |
| 281 | printf("failed\n"); |
| 282 | exit(1); |
| 283 | } |
| 284 | status = srtp_dealloc_big_policy(big_policy); |
| 285 | if (status) { |
| 286 | printf("unexpected failure with error code %d\n", status); |
| 287 | exit(1); |
| 288 | } |
| 289 | |
| 290 | /* run test on wildcard policy */ |
| 291 | printf("testing srtp_protect and srtp_unprotect on " |
| 292 | "wildcard ssrc policy\n"); |
Joachim Bauch | 99a7482 | 2015-11-17 00:08:19 +0100 | [diff] [blame^] | 293 | if (srtp_test(&wildcard_policy, 0) == srtp_err_status_ok) { |
| 294 | printf("passed\n\n"); |
| 295 | } else{ |
| 296 | printf("failed\n"); |
| 297 | exit(1); |
| 298 | } |
| 299 | printf("testing srtp_protect and srtp_unprotect on " |
| 300 | "wildcard ssrc policy and encrypted extensions headers\n"); |
| 301 | if (srtp_test(&wildcard_policy, 1) == srtp_err_status_ok) { |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 302 | printf("passed\n\n"); |
| 303 | } else{ |
| 304 | printf("failed\n"); |
| 305 | exit(1); |
| 306 | } |
| 307 | |
| 308 | /* |
| 309 | * run validation test against the reference packets - note |
| 310 | * that this test only covers the default policy |
| 311 | */ |
| 312 | printf("testing srtp_protect and srtp_unprotect against " |
| 313 | "reference packets\n"); |
| 314 | if (srtp_validate() == srtp_err_status_ok) { |
| 315 | printf("passed\n\n"); |
| 316 | } else{ |
| 317 | printf("failed\n"); |
| 318 | exit(1); |
| 319 | } |
Joachim Bauch | 99a7482 | 2015-11-17 00:08:19 +0100 | [diff] [blame^] | 320 | printf("testing srtp_protect and srtp_unprotect against " |
| 321 | "reference packets with encrypted extensions headers\n"); |
| 322 | if (srtp_validate_encrypted_extensions_headers() == srtp_err_status_ok) |
| 323 | printf("passed\n\n"); |
| 324 | else { |
| 325 | printf("failed\n"); |
| 326 | exit(1); |
| 327 | } |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 328 | |
jfigus | a14b5a0 | 2013-03-29 12:24:12 -0400 | [diff] [blame] | 329 | //FIXME: need to get this working with the OpenSSL AES module |
| 330 | #ifndef OPENSSL |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 331 | /* |
| 332 | * run validation test against the reference packets for |
| 333 | * AES-256 |
| 334 | */ |
| 335 | printf("testing srtp_protect and srtp_unprotect against " |
| 336 | "reference packets (AES-256)\n"); |
| 337 | if (srtp_validate_aes_256() == srtp_err_status_ok) { |
| 338 | printf("passed\n\n"); |
| 339 | } else{ |
| 340 | printf("failed\n"); |
| 341 | exit(1); |
| 342 | } |
jfigus | a14b5a0 | 2013-03-29 12:24:12 -0400 | [diff] [blame] | 343 | #endif |
Jonathan Lennox | 5df951a | 2010-05-20 20:55:54 +0000 | [diff] [blame] | 344 | |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 345 | /* |
| 346 | * test the function srtp_remove_stream() |
| 347 | */ |
| 348 | printf("testing srtp_remove_stream()..."); |
| 349 | if (srtp_test_remove_stream() == srtp_err_status_ok) { |
| 350 | printf("passed\n"); |
| 351 | } else{ |
| 352 | printf("failed\n"); |
| 353 | exit(1); |
| 354 | } |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 355 | } |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 356 | |
| 357 | if (do_timing_test) { |
| 358 | const srtp_policy_t **policy = policy_array; |
| 359 | |
| 360 | /* loop over policies, run timing test for each */ |
| 361 | while (*policy != NULL) { |
| 362 | srtp_print_policy(*policy); |
| 363 | srtp_do_timing(*policy); |
| 364 | policy++; |
| 365 | } |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 366 | } |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 367 | |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 368 | if (do_rejection_test) { |
| 369 | const srtp_policy_t **policy = policy_array; |
| 370 | |
| 371 | /* loop over policies, run rejection timing test for each */ |
| 372 | while (*policy != NULL) { |
| 373 | srtp_print_policy(*policy); |
| 374 | srtp_do_rejection_timing(*policy); |
| 375 | policy++; |
| 376 | } |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 377 | } |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 378 | |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 379 | if (do_codec_timing) { |
| 380 | srtp_policy_t policy; |
| 381 | int ignore; |
| 382 | double mips = mips_estimate(1000000000, &ignore); |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 383 | |
Joachim Bauch | 99a7482 | 2015-11-17 00:08:19 +0100 | [diff] [blame^] | 384 | memset(&policy, 0, sizeof(policy)); |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 385 | srtp_crypto_policy_set_rtp_default(&policy.rtp); |
| 386 | srtp_crypto_policy_set_rtcp_default(&policy.rtcp); |
| 387 | policy.ssrc.type = ssrc_specific; |
| 388 | policy.ssrc.value = 0xdecafbad; |
| 389 | policy.key = test_key; |
| 390 | policy.ekt = NULL; |
| 391 | policy.window_size = 128; |
| 392 | policy.allow_repeat_tx = 0; |
| 393 | policy.next = NULL; |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 394 | |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 395 | printf("mips estimate: %e\n", mips); |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 396 | |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 397 | printf("testing srtp processing time for voice codecs:\n"); |
| 398 | printf("codec\t\tlength (octets)\t\tsrtp instructions/second\n"); |
| 399 | printf("G.711\t\t%d\t\t\t%e\n", 80, |
| 400 | (double)mips * (80 * 8) / |
| 401 | srtp_bits_per_second(80, &policy) / .01 ); |
| 402 | printf("G.711\t\t%d\t\t\t%e\n", 160, |
| 403 | (double)mips * (160 * 8) / |
| 404 | srtp_bits_per_second(160, &policy) / .02); |
| 405 | printf("G.726-32\t%d\t\t\t%e\n", 40, |
| 406 | (double)mips * (40 * 8) / |
| 407 | srtp_bits_per_second(40, &policy) / .01 ); |
| 408 | printf("G.726-32\t%d\t\t\t%e\n", 80, |
| 409 | (double)mips * (80 * 8) / |
| 410 | srtp_bits_per_second(80, &policy) / .02); |
| 411 | printf("G.729\t\t%d\t\t\t%e\n", 10, |
| 412 | (double)mips * (10 * 8) / |
| 413 | srtp_bits_per_second(10, &policy) / .01 ); |
| 414 | printf("G.729\t\t%d\t\t\t%e\n", 20, |
| 415 | (double)mips * (20 * 8) / |
| 416 | srtp_bits_per_second(20, &policy) / .02 ); |
| 417 | printf("Wideband\t%d\t\t\t%e\n", 320, |
| 418 | (double)mips * (320 * 8) / |
| 419 | srtp_bits_per_second(320, &policy) / .01 ); |
| 420 | printf("Wideband\t%d\t\t\t%e\n", 640, |
| 421 | (double)mips * (640 * 8) / |
| 422 | srtp_bits_per_second(640, &policy) / .02 ); |
| 423 | } |
Jonathan Lennox | dfb3084 | 2010-05-15 04:52:01 +0000 | [diff] [blame] | 424 | |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 425 | status = srtp_shutdown(); |
| 426 | if (status) { |
| 427 | printf("error: srtp shutdown failed with error code %d\n", status); |
| 428 | exit(1); |
| 429 | } |
| 430 | |
| 431 | return 0; |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 432 | } |
| 433 | |
| 434 | |
| 435 | |
| 436 | /* |
| 437 | * srtp_create_test_packet(len, ssrc) returns a pointer to a |
| 438 | * (malloced) example RTP packet whose data field has the length given |
| 439 | * by pkt_octet_len and the SSRC value ssrc. The total length of the |
| 440 | * packet is twelve octets longer, since the header is at the |
| 441 | * beginning. There is room at the end of the packet for a trailer, |
| 442 | * and the four octets following the packet are filled with 0xff |
| 443 | * values to enable testing for overwrites. |
| 444 | * |
| 445 | * note that the location of the test packet can (and should) be |
| 446 | * deallocated with the free() call once it is no longer needed. |
| 447 | */ |
| 448 | |
| 449 | srtp_hdr_t * |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 450 | srtp_create_test_packet (int pkt_octet_len, uint32_t ssrc) |
| 451 | { |
| 452 | int i; |
| 453 | uint8_t *buffer; |
| 454 | srtp_hdr_t *hdr; |
| 455 | int bytes_in_hdr = 12; |
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 | /* allocate memory for test packet */ |
| 458 | hdr = (srtp_hdr_t*)malloc(pkt_octet_len + bytes_in_hdr |
| 459 | + SRTP_MAX_TRAILER_LEN + 4); |
| 460 | if (!hdr) { |
| 461 | return NULL; |
| 462 | } |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 463 | |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 464 | hdr->version = 2; /* RTP version two */ |
| 465 | hdr->p = 0; /* no padding needed */ |
| 466 | hdr->x = 0; /* no header extension */ |
| 467 | hdr->cc = 0; /* no CSRCs */ |
| 468 | hdr->m = 0; /* marker bit */ |
| 469 | hdr->pt = 0xf; /* payload type */ |
| 470 | hdr->seq = htons(0x1234); /* sequence number */ |
| 471 | hdr->ts = htonl(0xdecafbad); /* timestamp */ |
| 472 | hdr->ssrc = htonl(ssrc); /* synch. source */ |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 473 | |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 474 | buffer = (uint8_t*)hdr; |
| 475 | buffer += bytes_in_hdr; |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 476 | |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 477 | /* set RTP data to 0xab */ |
| 478 | for (i = 0; i < pkt_octet_len; i++) { |
| 479 | *buffer++ = 0xab; |
| 480 | } |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 481 | |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 482 | /* set post-data value to 0xffff to enable overrun checking */ |
| 483 | for (i = 0; i < SRTP_MAX_TRAILER_LEN + 4; i++) { |
| 484 | *buffer++ = 0xff; |
| 485 | } |
| 486 | |
| 487 | return hdr; |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 488 | } |
| 489 | |
Joachim Bauch | 99a7482 | 2015-11-17 00:08:19 +0100 | [diff] [blame^] | 490 | srtp_hdr_t * |
| 491 | srtp_create_test_packet_ext_hdr(int pkt_octet_len, uint32_t ssrc) { |
| 492 | int i; |
| 493 | uint8_t *buffer; |
| 494 | srtp_hdr_t *hdr; |
| 495 | int bytes_in_hdr = 12; |
| 496 | uint8_t extension_header[12] = { |
| 497 | /* one-byte header */ |
| 498 | 0xbe, 0xde, |
| 499 | /* size */ |
| 500 | 0x00, 0x02, |
| 501 | /* id 1, length 1 (i.e. 2 bytes) */ |
| 502 | 0x11, |
| 503 | /* payload */ |
| 504 | 0xca, |
| 505 | 0xfe, |
| 506 | /* padding */ |
| 507 | 0x00, |
| 508 | /* id 2, length 0 (i.e. 1 byte) */ |
| 509 | 0x20, |
| 510 | /* payload */ |
| 511 | 0xba, |
| 512 | /* padding */ |
| 513 | 0x00, |
| 514 | 0x00 |
| 515 | }; |
| 516 | |
| 517 | /* allocate memory for test packet */ |
| 518 | hdr = (srtp_hdr_t*) malloc(pkt_octet_len + bytes_in_hdr |
| 519 | + sizeof(extension_header) + SRTP_MAX_TRAILER_LEN + 4); |
| 520 | if (!hdr) |
| 521 | return NULL; |
| 522 | |
| 523 | hdr->version = 2; /* RTP version two */ |
| 524 | hdr->p = 0; /* no padding needed */ |
| 525 | hdr->x = 1; /* no header extension */ |
| 526 | hdr->cc = 0; /* no CSRCs */ |
| 527 | hdr->m = 0; /* marker bit */ |
| 528 | hdr->pt = 0xf; /* payload type */ |
| 529 | hdr->seq = htons(0x1234); /* sequence number */ |
| 530 | hdr->ts = htonl(0xdecafbad); /* timestamp */ |
| 531 | hdr->ssrc = htonl(ssrc); /* synch. source */ |
| 532 | |
| 533 | buffer = (uint8_t *)hdr; |
| 534 | buffer += bytes_in_hdr; |
| 535 | |
| 536 | memcpy(buffer, extension_header, sizeof(extension_header)); |
| 537 | buffer += sizeof(extension_header); |
| 538 | |
| 539 | /* set RTP data to 0xab */ |
| 540 | for (i=0; i < pkt_octet_len; i++) |
| 541 | *buffer++ = 0xab; |
| 542 | |
| 543 | /* set post-data value to 0xffff to enable overrun checking */ |
| 544 | for (i=0; i < SRTP_MAX_TRAILER_LEN+4; i++) |
| 545 | *buffer++ = 0xff; |
| 546 | |
| 547 | return hdr; |
| 548 | } |
| 549 | |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 550 | void |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 551 | srtp_do_timing (const srtp_policy_t *policy) |
| 552 | { |
| 553 | int len; |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 554 | |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 555 | /* |
| 556 | * note: the output of this function is formatted so that it |
| 557 | * can be used in gnuplot. '#' indicates a comment, and "\r\n" |
| 558 | * terminates a record |
| 559 | */ |
| 560 | |
| 561 | printf("# testing srtp throughput:\r\n"); |
| 562 | printf("# mesg length (octets)\tthroughput (megabits per second)\r\n"); |
| 563 | |
| 564 | for (len = 16; len <= 2048; len *= 2) { |
| 565 | printf("%d\t\t\t%f\r\n", len, |
| 566 | srtp_bits_per_second(len, policy) / 1.0E6); |
| 567 | } |
| 568 | |
| 569 | /* these extra linefeeds let gnuplot know that a dataset is done */ |
| 570 | printf("\r\n\r\n"); |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 571 | |
| 572 | } |
| 573 | |
| 574 | void |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 575 | srtp_do_rejection_timing (const srtp_policy_t *policy) |
| 576 | { |
| 577 | int len; |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 578 | |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 579 | /* |
| 580 | * note: the output of this function is formatted so that it |
| 581 | * can be used in gnuplot. '#' indicates a comment, and "\r\n" |
| 582 | * terminates a record |
| 583 | */ |
| 584 | |
| 585 | printf("# testing srtp rejection throughput:\r\n"); |
| 586 | printf("# mesg length (octets)\trejections per second\r\n"); |
| 587 | |
| 588 | for (len = 8; len <= 2048; len *= 2) { |
| 589 | printf("%d\t\t\t%e\r\n", len, srtp_rejections_per_second(len, policy)); |
| 590 | } |
| 591 | |
| 592 | /* these extra linefeeds let gnuplot know that a dataset is done */ |
| 593 | printf("\r\n\r\n"); |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 594 | |
| 595 | } |
| 596 | |
| 597 | |
| 598 | #define MAX_MSG_LEN 1024 |
| 599 | |
| 600 | double |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 601 | srtp_bits_per_second (int msg_len_octets, const srtp_policy_t *policy) |
| 602 | { |
| 603 | srtp_t srtp; |
| 604 | srtp_hdr_t *mesg; |
| 605 | int i; |
| 606 | clock_t timer; |
| 607 | int num_trials = 100000; |
| 608 | int len; |
| 609 | uint32_t ssrc; |
| 610 | srtp_err_status_t status; |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 611 | |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 612 | /* |
| 613 | * allocate and initialize an srtp session |
| 614 | */ |
| 615 | status = srtp_create(&srtp, policy); |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 616 | if (status) { |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 617 | printf("error: srtp_create() failed with error code %d\n", status); |
| 618 | exit(1); |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 619 | } |
| 620 | |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 621 | /* |
| 622 | * if the ssrc is unspecified, use a predetermined one |
| 623 | */ |
| 624 | if (policy->ssrc.type != ssrc_specific) { |
| 625 | ssrc = 0xdeadbeef; |
| 626 | } else { |
| 627 | ssrc = policy->ssrc.value; |
Jonathan Lennox | 75b3687 | 2010-05-21 00:30:21 +0000 | [diff] [blame] | 628 | } |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 629 | |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 630 | /* |
| 631 | * create a test packet |
| 632 | */ |
| 633 | mesg = srtp_create_test_packet(msg_len_octets, ssrc); |
| 634 | if (mesg == NULL) { |
| 635 | return 0.0; /* indicate failure by returning zero */ |
Jonathan Lennox | 80c4c83 | 2010-05-17 19:30:28 +0000 | [diff] [blame] | 636 | |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 637 | } |
| 638 | timer = clock(); |
| 639 | for (i = 0; i < num_trials; i++) { |
| 640 | len = msg_len_octets + 12; /* add in rtp header length */ |
| 641 | |
| 642 | /* srtp protect message */ |
| 643 | status = srtp_protect(srtp, mesg, &len); |
| 644 | if (status) { |
| 645 | printf("error: srtp_protect() failed with error code %d\n", status); |
| 646 | exit(1); |
| 647 | } |
| 648 | |
| 649 | /* increment message number */ |
| 650 | { |
| 651 | /* hack sequence to avoid problems with macros for htons/ntohs on some systems */ |
| 652 | short new_seq = ntohs(mesg->seq) + 1; |
| 653 | mesg->seq = htons(new_seq); |
| 654 | } |
| 655 | } |
| 656 | timer = clock() - timer; |
| 657 | |
| 658 | free(mesg); |
| 659 | |
| 660 | status = srtp_dealloc(srtp); |
| 661 | if (status) { |
| 662 | printf("error: srtp_dealloc() failed with error code %d\n", status); |
| 663 | exit(1); |
| 664 | } |
| 665 | |
| 666 | return (double)(msg_len_octets) * 8 * |
| 667 | num_trials * CLOCKS_PER_SEC / timer; |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 668 | } |
| 669 | |
| 670 | double |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 671 | srtp_rejections_per_second (int msg_len_octets, const srtp_policy_t *policy) |
| 672 | { |
| 673 | srtp_ctx_t *srtp; |
| 674 | srtp_hdr_t *mesg; |
| 675 | int i; |
| 676 | int len; |
| 677 | clock_t timer; |
| 678 | int num_trials = 1000000; |
| 679 | uint32_t ssrc = policy->ssrc.value; |
| 680 | srtp_err_status_t status; |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 681 | |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 682 | /* |
| 683 | * allocate and initialize an srtp session |
| 684 | */ |
| 685 | status = srtp_create(&srtp, policy); |
| 686 | if (status) { |
| 687 | printf("error: srtp_create() failed with error code %d\n", status); |
| 688 | exit(1); |
| 689 | } |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 690 | |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 691 | mesg = srtp_create_test_packet(msg_len_octets, ssrc); |
| 692 | if (mesg == NULL) { |
| 693 | return 0.0; /* indicate failure by returning zero */ |
| 694 | |
| 695 | } |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 696 | len = msg_len_octets; |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 697 | srtp_protect(srtp, (srtp_hdr_t*)mesg, &len); |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 698 | |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 699 | timer = clock(); |
| 700 | for (i = 0; i < num_trials; i++) { |
| 701 | len = msg_len_octets; |
| 702 | srtp_unprotect(srtp, (srtp_hdr_t*)mesg, &len); |
| 703 | } |
| 704 | timer = clock() - timer; |
Jonathan Lennox | 80c4c83 | 2010-05-17 19:30:28 +0000 | [diff] [blame] | 705 | |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 706 | free(mesg); |
Jonathan Lennox | 80c4c83 | 2010-05-17 19:30:28 +0000 | [diff] [blame] | 707 | |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 708 | status = srtp_dealloc(srtp); |
| 709 | if (status) { |
| 710 | printf("error: srtp_dealloc() failed with error code %d\n", status); |
| 711 | exit(1); |
| 712 | } |
| 713 | |
| 714 | return (double)num_trials * CLOCKS_PER_SEC / timer; |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 715 | } |
| 716 | |
| 717 | |
| 718 | void |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 719 | err_check (srtp_err_status_t s) |
| 720 | { |
| 721 | if (s == srtp_err_status_ok) { |
| 722 | return; |
| 723 | } else{ |
| 724 | fprintf(stderr, "error: unexpected srtp failure (code %d)\n", s); |
| 725 | } |
| 726 | exit(1); |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 727 | } |
| 728 | |
jfigus | 857009c | 2014-11-05 11:17:43 -0500 | [diff] [blame] | 729 | srtp_err_status_t |
Joachim Bauch | 99a7482 | 2015-11-17 00:08:19 +0100 | [diff] [blame^] | 730 | srtp_test (const srtp_policy_t *policy, int extension_header) |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 731 | { |
| 732 | int i; |
| 733 | srtp_t srtp_sender; |
| 734 | srtp_t srtp_rcvr; |
| 735 | srtp_err_status_t status = srtp_err_status_ok; |
| 736 | srtp_hdr_t *hdr, *hdr2; |
| 737 | uint8_t hdr_enc[64]; |
| 738 | uint8_t *pkt_end; |
| 739 | int msg_len_octets, msg_len_enc; |
| 740 | int len; |
| 741 | int tag_length = policy->rtp.auth_tag_len; |
| 742 | uint32_t ssrc; |
| 743 | srtp_policy_t *rcvr_policy; |
Joachim Bauch | 99a7482 | 2015-11-17 00:08:19 +0100 | [diff] [blame^] | 744 | srtp_policy_t tmp_policy; |
| 745 | int header = 1; |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 746 | |
Joachim Bauch | 99a7482 | 2015-11-17 00:08:19 +0100 | [diff] [blame^] | 747 | if (extension_header) { |
| 748 | memcpy(&tmp_policy, policy, sizeof(srtp_policy_t)); |
| 749 | tmp_policy.enc_xtn_hdr = &header; |
| 750 | tmp_policy.enc_xtn_hdr_count = 1; |
| 751 | err_check(srtp_create(&srtp_sender, &tmp_policy)); |
| 752 | } else { |
| 753 | err_check(srtp_create(&srtp_sender, policy)); |
| 754 | } |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 755 | |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 756 | /* print out policy */ |
| 757 | err_check(srtp_session_print_policy(srtp_sender)); |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 758 | |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 759 | /* |
| 760 | * initialize data buffer, using the ssrc in the policy unless that |
| 761 | * value is a wildcard, in which case we'll just use an arbitrary |
| 762 | * one |
| 763 | */ |
| 764 | if (policy->ssrc.type != ssrc_specific) { |
| 765 | ssrc = 0xdecafbad; |
| 766 | } else{ |
| 767 | ssrc = policy->ssrc.value; |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 768 | } |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 769 | msg_len_octets = 28; |
Joachim Bauch | 99a7482 | 2015-11-17 00:08:19 +0100 | [diff] [blame^] | 770 | if (extension_header) { |
| 771 | hdr = srtp_create_test_packet_ext_hdr(msg_len_octets, ssrc); |
| 772 | hdr2 = srtp_create_test_packet_ext_hdr(msg_len_octets, ssrc); |
| 773 | } else { |
| 774 | hdr = srtp_create_test_packet(msg_len_octets, ssrc); |
| 775 | hdr2 = srtp_create_test_packet(msg_len_octets, ssrc); |
| 776 | } |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 777 | |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 778 | if (hdr == NULL) { |
Joachim Bauch | 99a7482 | 2015-11-17 00:08:19 +0100 | [diff] [blame^] | 779 | free(hdr2); |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 780 | return srtp_err_status_alloc_fail; |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 781 | } |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 782 | if (hdr2 == NULL) { |
| 783 | free(hdr); |
| 784 | return srtp_err_status_alloc_fail; |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 785 | } |
| 786 | |
Marcus Sundberg | 5c40da8 | 2005-10-08 18:15:00 +0000 | [diff] [blame] | 787 | /* set message length */ |
| 788 | len = msg_len_octets; |
Joachim Bauch | 99a7482 | 2015-11-17 00:08:19 +0100 | [diff] [blame^] | 789 | if (extension_header) { |
| 790 | len += 12; |
| 791 | } |
Marcus Sundberg | 5c40da8 | 2005-10-08 18:15:00 +0000 | [diff] [blame] | 792 | |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 793 | debug_print(mod_driver, "before protection:\n%s", |
| 794 | srtp_packet_to_string(hdr, len)); |
| 795 | |
| 796 | #if PRINT_REFERENCE_PACKET |
| 797 | debug_print(mod_driver, "reference packet before protection:\n%s", |
| 798 | octet_string_hex_string((uint8_t*)hdr, len)); |
| 799 | #endif |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 800 | err_check(srtp_protect(srtp_sender, hdr, &len)); |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 801 | |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 802 | debug_print(mod_driver, "after protection:\n%s", |
| 803 | srtp_packet_to_string(hdr, len)); |
| 804 | #if PRINT_REFERENCE_PACKET |
| 805 | debug_print(mod_driver, "after protection:\n%s", |
| 806 | octet_string_hex_string((uint8_t*)hdr, len)); |
| 807 | #endif |
| 808 | |
| 809 | /* save protected message and length */ |
| 810 | memcpy(hdr_enc, hdr, len); |
| 811 | msg_len_enc = len; |
| 812 | |
| 813 | /* |
| 814 | * check for overrun of the srtp_protect() function |
| 815 | * |
| 816 | * The packet is followed by a value of 0xfffff; if the value of the |
| 817 | * data following the packet is different, then we know that the |
| 818 | * protect function is overwriting the end of the packet. |
| 819 | */ |
| 820 | pkt_end = (uint8_t*)hdr + sizeof(srtp_hdr_t) |
| 821 | + msg_len_octets + tag_length; |
Joachim Bauch | 99a7482 | 2015-11-17 00:08:19 +0100 | [diff] [blame^] | 822 | if (extension_header) { |
| 823 | pkt_end += 12; |
| 824 | } |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 825 | for (i = 0; i < 4; i++) { |
| 826 | if (pkt_end[i] != 0xff) { |
| 827 | fprintf(stdout, "overwrite in srtp_protect() function " |
| 828 | "(expected %x, found %x in trailing octet %d)\n", |
| 829 | 0xff, ((uint8_t*)hdr)[i], i); |
| 830 | free(hdr); |
| 831 | free(hdr2); |
| 832 | return srtp_err_status_algo_fail; |
| 833 | } |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 834 | } |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 835 | |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 836 | /* |
| 837 | * if the policy includes confidentiality, check that ciphertext is |
| 838 | * different than plaintext |
| 839 | * |
| 840 | * Note that this check will give false negatives, with some small |
| 841 | * probability, especially if the packets are short. For that |
| 842 | * reason, we skip this check if the plaintext is less than four |
| 843 | * octets long. |
| 844 | */ |
| 845 | if ((policy->rtp.sec_serv & sec_serv_conf) && (msg_len_octets >= 4)) { |
| 846 | printf("testing that ciphertext is distinct from plaintext..."); |
| 847 | status = srtp_err_status_algo_fail; |
| 848 | for (i = 12; i < msg_len_octets + 12; i++) { |
| 849 | if (((uint8_t*)hdr)[i] != ((uint8_t*)hdr2)[i]) { |
| 850 | status = srtp_err_status_ok; |
| 851 | } |
| 852 | } |
| 853 | if (status) { |
| 854 | printf("failed\n"); |
| 855 | free(hdr); |
| 856 | free(hdr2); |
| 857 | return status; |
| 858 | } |
| 859 | printf("passed\n"); |
| 860 | } |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 861 | |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 862 | /* |
| 863 | * if the policy uses a 'wildcard' ssrc, then we need to make a copy |
| 864 | * of the policy that changes the direction to inbound |
| 865 | * |
| 866 | * we always copy the policy into the rcvr_policy, since otherwise |
| 867 | * the compiler would fret about the constness of the policy |
| 868 | */ |
| 869 | rcvr_policy = (srtp_policy_t*)malloc(sizeof(srtp_policy_t)); |
| 870 | if (rcvr_policy == NULL) { |
| 871 | free(hdr); |
| 872 | free(hdr2); |
| 873 | return srtp_err_status_alloc_fail; |
| 874 | } |
Joachim Bauch | 99a7482 | 2015-11-17 00:08:19 +0100 | [diff] [blame^] | 875 | if (extension_header) { |
| 876 | memcpy(rcvr_policy, &tmp_policy, sizeof(srtp_policy_t)); |
| 877 | if (tmp_policy.ssrc.type == ssrc_any_outbound) { |
| 878 | rcvr_policy->ssrc.type = ssrc_any_inbound; |
| 879 | } |
| 880 | } else { |
| 881 | memcpy(rcvr_policy, policy, sizeof(srtp_policy_t)); |
| 882 | if (policy->ssrc.type == ssrc_any_outbound) { |
| 883 | rcvr_policy->ssrc.type = ssrc_any_inbound; |
| 884 | } |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 885 | } |
| 886 | |
| 887 | err_check(srtp_create(&srtp_rcvr, rcvr_policy)); |
| 888 | |
| 889 | err_check(srtp_unprotect(srtp_rcvr, hdr, &len)); |
| 890 | |
| 891 | debug_print(mod_driver, "after unprotection:\n%s", |
| 892 | srtp_packet_to_string(hdr, len)); |
| 893 | |
| 894 | /* verify that the unprotected packet matches the origial one */ |
| 895 | for (i = 0; i < msg_len_octets; i++) { |
| 896 | if (((uint8_t*)hdr)[i] != ((uint8_t*)hdr2)[i]) { |
| 897 | fprintf(stdout, "mismatch at octet %d\n", i); |
| 898 | status = srtp_err_status_algo_fail; |
| 899 | } |
| 900 | } |
| 901 | if (status) { |
| 902 | free(hdr); |
| 903 | free(hdr2); |
| 904 | free(rcvr_policy); |
| 905 | return status; |
| 906 | } |
| 907 | |
| 908 | /* |
| 909 | * if the policy includes authentication, then test for false positives |
| 910 | */ |
| 911 | if (policy->rtp.sec_serv & sec_serv_auth) { |
| 912 | char *data = ((char*)hdr) + 12; |
| 913 | |
| 914 | printf("testing for false positives in replay check..."); |
| 915 | |
| 916 | /* set message length */ |
| 917 | len = msg_len_enc; |
| 918 | |
| 919 | /* unprotect a second time - should fail with a replay error */ |
| 920 | status = srtp_unprotect(srtp_rcvr, hdr_enc, &len); |
| 921 | if (status != srtp_err_status_replay_fail) { |
| 922 | printf("failed with error code %d\n", status); |
| 923 | free(hdr); |
| 924 | free(hdr2); |
| 925 | free(rcvr_policy); |
| 926 | return status; |
| 927 | } else { |
| 928 | printf("passed\n"); |
| 929 | } |
| 930 | |
| 931 | printf("testing for false positives in auth check..."); |
| 932 | |
| 933 | /* increment sequence number in header */ |
| 934 | hdr->seq++; |
| 935 | |
| 936 | /* set message length */ |
| 937 | len = msg_len_octets; |
Joachim Bauch | 99a7482 | 2015-11-17 00:08:19 +0100 | [diff] [blame^] | 938 | if (extension_header) { |
| 939 | len += 12; |
| 940 | } |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 941 | |
| 942 | /* apply protection */ |
| 943 | err_check(srtp_protect(srtp_sender, hdr, &len)); |
| 944 | |
| 945 | /* flip bits in packet */ |
| 946 | data[0] ^= 0xff; |
| 947 | |
| 948 | /* unprotect, and check for authentication failure */ |
| 949 | status = srtp_unprotect(srtp_rcvr, hdr, &len); |
| 950 | if (status != srtp_err_status_auth_fail) { |
| 951 | printf("failed\n"); |
| 952 | free(hdr); |
| 953 | free(hdr2); |
| 954 | free(rcvr_policy); |
| 955 | return status; |
| 956 | } else { |
| 957 | printf("passed\n"); |
| 958 | } |
| 959 | |
| 960 | } |
| 961 | |
| 962 | err_check(srtp_dealloc(srtp_sender)); |
| 963 | err_check(srtp_dealloc(srtp_rcvr)); |
| 964 | |
| 965 | free(hdr); |
| 966 | free(hdr2); |
| 967 | free(rcvr_policy); |
| 968 | return srtp_err_status_ok; |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 969 | } |
| 970 | |
| 971 | |
jfigus | 857009c | 2014-11-05 11:17:43 -0500 | [diff] [blame] | 972 | srtp_err_status_t |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 973 | srtcp_test (const srtp_policy_t *policy) |
| 974 | { |
| 975 | int i; |
| 976 | srtp_t srtcp_sender; |
| 977 | srtp_t srtcp_rcvr; |
| 978 | srtp_err_status_t status = srtp_err_status_ok; |
| 979 | srtp_hdr_t *hdr, *hdr2; |
| 980 | uint8_t hdr_enc[64]; |
| 981 | uint8_t *pkt_end; |
| 982 | int msg_len_octets, msg_len_enc; |
| 983 | int len; |
| 984 | int tag_length = policy->rtp.auth_tag_len; |
| 985 | uint32_t ssrc; |
| 986 | srtp_policy_t *rcvr_policy; |
David McGrew | 9c70f29 | 2006-05-03 19:38:38 +0000 | [diff] [blame] | 987 | |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 988 | err_check(srtp_create(&srtcp_sender, policy)); |
David McGrew | 9c70f29 | 2006-05-03 19:38:38 +0000 | [diff] [blame] | 989 | |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 990 | /* print out policy */ |
| 991 | err_check(srtp_session_print_policy(srtcp_sender)); |
David McGrew | 9c70f29 | 2006-05-03 19:38:38 +0000 | [diff] [blame] | 992 | |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 993 | /* |
| 994 | * initialize data buffer, using the ssrc in the policy unless that |
| 995 | * value is a wildcard, in which case we'll just use an arbitrary |
| 996 | * one |
| 997 | */ |
| 998 | if (policy->ssrc.type != ssrc_specific) { |
| 999 | ssrc = 0xdecafbad; |
| 1000 | } else{ |
| 1001 | ssrc = policy->ssrc.value; |
David McGrew | 9c70f29 | 2006-05-03 19:38:38 +0000 | [diff] [blame] | 1002 | } |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 1003 | msg_len_octets = 28; |
| 1004 | hdr = srtp_create_test_packet(msg_len_octets, ssrc); |
David McGrew | 9c70f29 | 2006-05-03 19:38:38 +0000 | [diff] [blame] | 1005 | |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 1006 | if (hdr == NULL) { |
| 1007 | return srtp_err_status_alloc_fail; |
David McGrew | 9c70f29 | 2006-05-03 19:38:38 +0000 | [diff] [blame] | 1008 | } |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 1009 | hdr2 = srtp_create_test_packet(msg_len_octets, ssrc); |
| 1010 | if (hdr2 == NULL) { |
| 1011 | free(hdr); |
| 1012 | return srtp_err_status_alloc_fail; |
David McGrew | 9c70f29 | 2006-05-03 19:38:38 +0000 | [diff] [blame] | 1013 | } |
| 1014 | |
David McGrew | 9c70f29 | 2006-05-03 19:38:38 +0000 | [diff] [blame] | 1015 | /* set message length */ |
| 1016 | len = msg_len_octets; |
| 1017 | |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 1018 | debug_print(mod_driver, "before protection:\n%s", |
| 1019 | srtp_packet_to_string(hdr, len)); |
| 1020 | |
| 1021 | #if PRINT_REFERENCE_PACKET |
| 1022 | debug_print(mod_driver, "reference packet before protection:\n%s", |
| 1023 | octet_string_hex_string((uint8_t*)hdr, len)); |
| 1024 | #endif |
David McGrew | 9c70f29 | 2006-05-03 19:38:38 +0000 | [diff] [blame] | 1025 | err_check(srtp_protect_rtcp(srtcp_sender, hdr, &len)); |
David McGrew | 9c70f29 | 2006-05-03 19:38:38 +0000 | [diff] [blame] | 1026 | |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 1027 | debug_print(mod_driver, "after protection:\n%s", |
| 1028 | srtp_packet_to_string(hdr, len)); |
| 1029 | #if PRINT_REFERENCE_PACKET |
| 1030 | debug_print(mod_driver, "after protection:\n%s", |
| 1031 | octet_string_hex_string((uint8_t*)hdr, len)); |
| 1032 | #endif |
| 1033 | |
| 1034 | /* save protected message and length */ |
| 1035 | memcpy(hdr_enc, hdr, len); |
| 1036 | msg_len_enc = len; |
| 1037 | |
| 1038 | /* |
| 1039 | * check for overrun of the srtp_protect() function |
| 1040 | * |
| 1041 | * The packet is followed by a value of 0xfffff; if the value of the |
| 1042 | * data following the packet is different, then we know that the |
| 1043 | * protect function is overwriting the end of the packet. |
| 1044 | */ |
| 1045 | pkt_end = (uint8_t*)hdr + sizeof(srtp_hdr_t) |
| 1046 | + msg_len_octets + tag_length; |
| 1047 | for (i = 0; i < 4; i++) { |
| 1048 | if (pkt_end[i] != 0xff) { |
| 1049 | fprintf(stdout, "overwrite in srtp_protect_rtcp() function " |
| 1050 | "(expected %x, found %x in trailing octet %d)\n", |
| 1051 | 0xff, ((uint8_t*)hdr)[i], i); |
| 1052 | free(hdr); |
| 1053 | free(hdr2); |
| 1054 | return srtp_err_status_algo_fail; |
| 1055 | } |
David McGrew | 9c70f29 | 2006-05-03 19:38:38 +0000 | [diff] [blame] | 1056 | } |
David McGrew | 9c70f29 | 2006-05-03 19:38:38 +0000 | [diff] [blame] | 1057 | |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 1058 | /* |
| 1059 | * if the policy includes confidentiality, check that ciphertext is |
| 1060 | * different than plaintext |
| 1061 | * |
| 1062 | * Note that this check will give false negatives, with some small |
| 1063 | * probability, especially if the packets are short. For that |
| 1064 | * reason, we skip this check if the plaintext is less than four |
| 1065 | * octets long. |
| 1066 | */ |
| 1067 | if ((policy->rtp.sec_serv & sec_serv_conf) && (msg_len_octets >= 4)) { |
| 1068 | printf("testing that ciphertext is distinct from plaintext..."); |
| 1069 | status = srtp_err_status_algo_fail; |
| 1070 | for (i = 12; i < msg_len_octets + 12; i++) { |
| 1071 | if (((uint8_t*)hdr)[i] != ((uint8_t*)hdr2)[i]) { |
| 1072 | status = srtp_err_status_ok; |
| 1073 | } |
| 1074 | } |
| 1075 | if (status) { |
| 1076 | printf("failed\n"); |
| 1077 | free(hdr); |
| 1078 | free(hdr2); |
| 1079 | return status; |
| 1080 | } |
| 1081 | printf("passed\n"); |
| 1082 | } |
David McGrew | 9c70f29 | 2006-05-03 19:38:38 +0000 | [diff] [blame] | 1083 | |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 1084 | /* |
| 1085 | * if the policy uses a 'wildcard' ssrc, then we need to make a copy |
| 1086 | * of the policy that changes the direction to inbound |
| 1087 | * |
| 1088 | * we always copy the policy into the rcvr_policy, since otherwise |
| 1089 | * the compiler would fret about the constness of the policy |
| 1090 | */ |
| 1091 | rcvr_policy = (srtp_policy_t*)malloc(sizeof(srtp_policy_t)); |
| 1092 | if (rcvr_policy == NULL) { |
| 1093 | return srtp_err_status_alloc_fail; |
| 1094 | } |
| 1095 | memcpy(rcvr_policy, policy, sizeof(srtp_policy_t)); |
| 1096 | if (policy->ssrc.type == ssrc_any_outbound) { |
| 1097 | rcvr_policy->ssrc.type = ssrc_any_inbound; |
| 1098 | } |
| 1099 | |
| 1100 | err_check(srtp_create(&srtcp_rcvr, rcvr_policy)); |
| 1101 | |
| 1102 | err_check(srtp_unprotect_rtcp(srtcp_rcvr, hdr, &len)); |
| 1103 | |
| 1104 | debug_print(mod_driver, "after unprotection:\n%s", |
| 1105 | srtp_packet_to_string(hdr, len)); |
| 1106 | |
| 1107 | /* verify that the unprotected packet matches the origial one */ |
| 1108 | for (i = 0; i < msg_len_octets; i++) { |
| 1109 | if (((uint8_t*)hdr)[i] != ((uint8_t*)hdr2)[i]) { |
| 1110 | fprintf(stdout, "mismatch at octet %d\n", i); |
| 1111 | status = srtp_err_status_algo_fail; |
| 1112 | } |
| 1113 | } |
| 1114 | if (status) { |
| 1115 | free(hdr); |
| 1116 | free(hdr2); |
| 1117 | free(rcvr_policy); |
| 1118 | return status; |
| 1119 | } |
| 1120 | |
| 1121 | /* |
| 1122 | * if the policy includes authentication, then test for false positives |
| 1123 | */ |
| 1124 | if (policy->rtp.sec_serv & sec_serv_auth) { |
| 1125 | char *data = ((char*)hdr) + 12; |
| 1126 | |
| 1127 | printf("testing for false positives in replay check..."); |
| 1128 | |
| 1129 | /* set message length */ |
| 1130 | len = msg_len_enc; |
| 1131 | |
| 1132 | /* unprotect a second time - should fail with a replay error */ |
| 1133 | status = srtp_unprotect_rtcp(srtcp_rcvr, hdr_enc, &len); |
| 1134 | if (status != srtp_err_status_replay_fail) { |
| 1135 | printf("failed with error code %d\n", status); |
| 1136 | free(hdr); |
| 1137 | free(hdr2); |
| 1138 | free(rcvr_policy); |
| 1139 | return status; |
| 1140 | } else { |
| 1141 | printf("passed\n"); |
| 1142 | } |
| 1143 | |
| 1144 | printf("testing for false positives in auth check..."); |
| 1145 | |
| 1146 | /* increment sequence number in header */ |
| 1147 | hdr->seq++; |
| 1148 | |
| 1149 | /* set message length */ |
| 1150 | len = msg_len_octets; |
| 1151 | |
| 1152 | /* apply protection */ |
| 1153 | err_check(srtp_protect_rtcp(srtcp_sender, hdr, &len)); |
| 1154 | |
| 1155 | /* flip bits in packet */ |
| 1156 | data[0] ^= 0xff; |
| 1157 | |
| 1158 | /* unprotect, and check for authentication failure */ |
| 1159 | status = srtp_unprotect_rtcp(srtcp_rcvr, hdr, &len); |
| 1160 | if (status != srtp_err_status_auth_fail) { |
| 1161 | printf("failed\n"); |
| 1162 | free(hdr); |
| 1163 | free(hdr2); |
| 1164 | free(rcvr_policy); |
| 1165 | return status; |
| 1166 | } else { |
| 1167 | printf("passed\n"); |
| 1168 | } |
| 1169 | |
| 1170 | } |
| 1171 | |
| 1172 | err_check(srtp_dealloc(srtcp_sender)); |
| 1173 | err_check(srtp_dealloc(srtcp_rcvr)); |
| 1174 | |
| 1175 | free(hdr); |
| 1176 | free(hdr2); |
| 1177 | free(rcvr_policy); |
| 1178 | return srtp_err_status_ok; |
David McGrew | 9c70f29 | 2006-05-03 19:38:38 +0000 | [diff] [blame] | 1179 | } |
| 1180 | |
| 1181 | |
jfigus | 857009c | 2014-11-05 11:17:43 -0500 | [diff] [blame] | 1182 | srtp_err_status_t |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 1183 | srtp_session_print_policy (srtp_t srtp) |
| 1184 | { |
| 1185 | char *serv_descr[4] = { |
| 1186 | "none", |
| 1187 | "confidentiality", |
| 1188 | "authentication", |
| 1189 | "confidentiality and authentication" |
| 1190 | }; |
| 1191 | char *direction[3] = { |
| 1192 | "unknown", |
| 1193 | "outbound", |
| 1194 | "inbound" |
| 1195 | }; |
| 1196 | srtp_stream_t stream; |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 1197 | |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 1198 | /* sanity checking */ |
| 1199 | if (srtp == NULL) { |
| 1200 | return srtp_err_status_fail; |
| 1201 | } |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 1202 | |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 1203 | /* if there's a template stream, print it out */ |
| 1204 | if (srtp->stream_template != NULL) { |
| 1205 | stream = srtp->stream_template; |
| 1206 | printf("# SSRC: any %s\r\n" |
| 1207 | "# rtp cipher: %s\r\n" |
| 1208 | "# rtp auth: %s\r\n" |
| 1209 | "# rtp services: %s\r\n" |
| 1210 | "# rtcp cipher: %s\r\n" |
| 1211 | "# rtcp auth: %s\r\n" |
| 1212 | "# rtcp services: %s\r\n" |
| 1213 | "# window size: %lu\r\n" |
| 1214 | "# tx rtx allowed:%s\r\n", |
| 1215 | direction[stream->direction], |
| 1216 | stream->rtp_cipher->type->description, |
| 1217 | stream->rtp_auth->type->description, |
| 1218 | serv_descr[stream->rtp_services], |
| 1219 | stream->rtcp_cipher->type->description, |
| 1220 | stream->rtcp_auth->type->description, |
| 1221 | serv_descr[stream->rtcp_services], |
jfigus | de8deb3 | 2014-11-25 12:58:11 -0500 | [diff] [blame] | 1222 | srtp_rdbx_get_window_size(&stream->rtp_rdbx), |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 1223 | stream->allow_repeat_tx ? "true" : "false"); |
Joachim Bauch | 99a7482 | 2015-11-17 00:08:19 +0100 | [diff] [blame^] | 1224 | |
| 1225 | printf("# Encrypted extension headers: "); |
| 1226 | if (stream->enc_xtn_hdr && stream->enc_xtn_hdr_count > 0) { |
| 1227 | int* enc_xtn_hdr = stream->enc_xtn_hdr; |
| 1228 | int count = stream->enc_xtn_hdr_count; |
| 1229 | while (count > 0) { |
| 1230 | printf("%d ", *enc_xtn_hdr); |
| 1231 | enc_xtn_hdr++; |
| 1232 | count--; |
| 1233 | } |
| 1234 | printf("\n"); |
| 1235 | } else { |
| 1236 | printf("none\n"); |
| 1237 | } |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 1238 | } |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 1239 | |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 1240 | /* loop over streams in session, printing the policy of each */ |
| 1241 | stream = srtp->stream_list; |
| 1242 | while (stream != NULL) { |
| 1243 | if (stream->rtp_services > sec_serv_conf_and_auth) { |
| 1244 | return srtp_err_status_bad_param; |
| 1245 | } |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 1246 | |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 1247 | printf("# SSRC: 0x%08x\r\n" |
| 1248 | "# rtp cipher: %s\r\n" |
| 1249 | "# rtp auth: %s\r\n" |
| 1250 | "# rtp services: %s\r\n" |
| 1251 | "# rtcp cipher: %s\r\n" |
| 1252 | "# rtcp auth: %s\r\n" |
| 1253 | "# rtcp services: %s\r\n" |
| 1254 | "# window size: %lu\r\n" |
| 1255 | "# tx rtx allowed:%s\r\n", |
| 1256 | stream->ssrc, |
| 1257 | stream->rtp_cipher->type->description, |
| 1258 | stream->rtp_auth->type->description, |
| 1259 | serv_descr[stream->rtp_services], |
| 1260 | stream->rtcp_cipher->type->description, |
| 1261 | stream->rtcp_auth->type->description, |
| 1262 | serv_descr[stream->rtcp_services], |
jfigus | de8deb3 | 2014-11-25 12:58:11 -0500 | [diff] [blame] | 1263 | srtp_rdbx_get_window_size(&stream->rtp_rdbx), |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 1264 | stream->allow_repeat_tx ? "true" : "false"); |
| 1265 | |
Joachim Bauch | 99a7482 | 2015-11-17 00:08:19 +0100 | [diff] [blame^] | 1266 | printf("# Encrypted extension headers: "); |
| 1267 | if (stream->enc_xtn_hdr && stream->enc_xtn_hdr_count > 0) { |
| 1268 | int* enc_xtn_hdr = stream->enc_xtn_hdr; |
| 1269 | int count = stream->enc_xtn_hdr_count; |
| 1270 | while (count > 0) { |
| 1271 | printf("%d ", *enc_xtn_hdr); |
| 1272 | enc_xtn_hdr++; |
| 1273 | count--; |
| 1274 | } |
| 1275 | printf("\n"); |
| 1276 | } else { |
| 1277 | printf("none\n"); |
| 1278 | } |
| 1279 | |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 1280 | /* advance to next stream in the list */ |
| 1281 | stream = stream->next; |
| 1282 | } |
| 1283 | return srtp_err_status_ok; |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 1284 | } |
| 1285 | |
jfigus | 857009c | 2014-11-05 11:17:43 -0500 | [diff] [blame] | 1286 | srtp_err_status_t |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 1287 | srtp_print_policy (const srtp_policy_t *policy) |
| 1288 | { |
| 1289 | srtp_err_status_t status; |
| 1290 | srtp_t session; |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 1291 | |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 1292 | status = srtp_create(&session, policy); |
| 1293 | if (status) { |
| 1294 | return status; |
| 1295 | } |
| 1296 | status = srtp_session_print_policy(session); |
| 1297 | if (status) { |
| 1298 | return status; |
| 1299 | } |
| 1300 | status = srtp_dealloc(session); |
| 1301 | if (status) { |
| 1302 | return status; |
| 1303 | } |
| 1304 | return srtp_err_status_ok; |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 1305 | } |
| 1306 | |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 1307 | /* |
| 1308 | * srtp_print_packet(...) is for debugging only |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 1309 | * it prints an RTP packet to the stdout |
| 1310 | * |
| 1311 | * note that this function is *not* threadsafe |
| 1312 | */ |
| 1313 | |
| 1314 | #include <stdio.h> |
| 1315 | |
| 1316 | #define MTU 2048 |
| 1317 | |
| 1318 | char packet_string[MTU]; |
| 1319 | |
| 1320 | char * |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 1321 | srtp_packet_to_string (srtp_hdr_t *hdr, int pkt_octet_len) |
| 1322 | { |
| 1323 | int octets_in_rtp_header = 12; |
| 1324 | uint8_t *data = ((uint8_t*)hdr) + octets_in_rtp_header; |
| 1325 | int hex_len = pkt_octet_len - octets_in_rtp_header; |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 1326 | |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 1327 | /* sanity checking */ |
| 1328 | if ((hdr == NULL) || (pkt_octet_len > MTU)) { |
| 1329 | return NULL; |
| 1330 | } |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 1331 | |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 1332 | /* write packet into string */ |
| 1333 | sprintf(packet_string, |
| 1334 | "(s)rtp packet: {\n" |
| 1335 | " version:\t%d\n" |
| 1336 | " p:\t\t%d\n" |
| 1337 | " x:\t\t%d\n" |
| 1338 | " cc:\t\t%d\n" |
| 1339 | " m:\t\t%d\n" |
| 1340 | " pt:\t\t%x\n" |
| 1341 | " seq:\t\t%x\n" |
| 1342 | " ts:\t\t%x\n" |
| 1343 | " ssrc:\t%x\n" |
| 1344 | " data:\t%s\n" |
| 1345 | "} (%d octets in total)\n", |
| 1346 | hdr->version, |
| 1347 | hdr->p, |
| 1348 | hdr->x, |
| 1349 | hdr->cc, |
| 1350 | hdr->m, |
| 1351 | hdr->pt, |
| 1352 | hdr->seq, |
| 1353 | hdr->ts, |
| 1354 | hdr->ssrc, |
| 1355 | octet_string_hex_string(data, hex_len), |
| 1356 | pkt_octet_len); |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 1357 | |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 1358 | return packet_string; |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 1359 | } |
| 1360 | |
| 1361 | /* |
| 1362 | * mips_estimate() is a simple function to estimate the number of |
| 1363 | * instructions per second that the host can perform. note that this |
| 1364 | * function can be grossly wrong; you may want to have a manual sanity |
| 1365 | * check of its output! |
| 1366 | * |
| 1367 | * the 'ignore' pointer is there to convince the compiler to not just |
| 1368 | * optimize away the function |
| 1369 | */ |
| 1370 | |
| 1371 | double |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 1372 | mips_estimate (int num_trials, int *ignore) |
| 1373 | { |
| 1374 | clock_t t; |
| 1375 | volatile int i, sum; |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 1376 | |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 1377 | sum = 0; |
| 1378 | t = clock(); |
| 1379 | for (i = 0; i < num_trials; i++) { |
| 1380 | sum += i; |
| 1381 | } |
| 1382 | t = clock() - t; |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 1383 | |
| 1384 | /* printf("%d\n", sum); */ |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 1385 | *ignore = sum; |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 1386 | |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 1387 | return (double)num_trials * CLOCKS_PER_SEC / t; |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 1388 | } |
| 1389 | |
| 1390 | |
| 1391 | /* |
| 1392 | * srtp_validate() verifies the correctness of libsrtp by comparing |
| 1393 | * some computed packets against some pre-computed reference values. |
| 1394 | * These packets were made with the default SRTP policy. |
| 1395 | */ |
| 1396 | |
| 1397 | |
jfigus | 857009c | 2014-11-05 11:17:43 -0500 | [diff] [blame] | 1398 | srtp_err_status_t |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 1399 | srtp_validate () |
| 1400 | { |
| 1401 | uint8_t srtp_plaintext_ref[28] = { |
| 1402 | 0x80, 0x0f, 0x12, 0x34, 0xde, 0xca, 0xfb, 0xad, |
| 1403 | 0xca, 0xfe, 0xba, 0xbe, 0xab, 0xab, 0xab, 0xab, |
| 1404 | 0xab, 0xab, 0xab, 0xab, 0xab, 0xab, 0xab, 0xab, |
| 1405 | 0xab, 0xab, 0xab, 0xab |
| 1406 | }; |
| 1407 | uint8_t srtp_plaintext[38] = { |
| 1408 | 0x80, 0x0f, 0x12, 0x34, 0xde, 0xca, 0xfb, 0xad, |
| 1409 | 0xca, 0xfe, 0xba, 0xbe, 0xab, 0xab, 0xab, 0xab, |
| 1410 | 0xab, 0xab, 0xab, 0xab, 0xab, 0xab, 0xab, 0xab, |
| 1411 | 0xab, 0xab, 0xab, 0xab, 0x00, 0x00, 0x00, 0x00, |
| 1412 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 |
| 1413 | }; |
| 1414 | uint8_t srtp_ciphertext[38] = { |
| 1415 | 0x80, 0x0f, 0x12, 0x34, 0xde, 0xca, 0xfb, 0xad, |
| 1416 | 0xca, 0xfe, 0xba, 0xbe, 0x4e, 0x55, 0xdc, 0x4c, |
| 1417 | 0xe7, 0x99, 0x78, 0xd8, 0x8c, 0xa4, 0xd2, 0x15, |
| 1418 | 0x94, 0x9d, 0x24, 0x02, 0xb7, 0x8d, 0x6a, 0xcc, |
| 1419 | 0x99, 0xea, 0x17, 0x9b, 0x8d, 0xbb |
| 1420 | }; |
| 1421 | srtp_t srtp_snd, srtp_recv; |
| 1422 | srtp_err_status_t status; |
| 1423 | int len; |
| 1424 | srtp_policy_t policy; |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 1425 | |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 1426 | /* |
| 1427 | * create a session with a single stream using the default srtp |
| 1428 | * policy and with the SSRC value 0xcafebabe |
| 1429 | */ |
Joachim Bauch | 99a7482 | 2015-11-17 00:08:19 +0100 | [diff] [blame^] | 1430 | memset(&policy, 0, sizeof(policy)); |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 1431 | srtp_crypto_policy_set_rtp_default(&policy.rtp); |
| 1432 | srtp_crypto_policy_set_rtcp_default(&policy.rtcp); |
| 1433 | policy.ssrc.type = ssrc_specific; |
| 1434 | policy.ssrc.value = 0xcafebabe; |
| 1435 | policy.key = test_key; |
| 1436 | policy.ekt = NULL; |
| 1437 | policy.window_size = 128; |
| 1438 | policy.allow_repeat_tx = 0; |
| 1439 | policy.next = NULL; |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 1440 | |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 1441 | status = srtp_create(&srtp_snd, &policy); |
| 1442 | if (status) { |
| 1443 | return status; |
| 1444 | } |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 1445 | |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 1446 | /* |
| 1447 | * protect plaintext, then compare with ciphertext |
| 1448 | */ |
| 1449 | len = 28; |
| 1450 | status = srtp_protect(srtp_snd, srtp_plaintext, &len); |
| 1451 | if (status || (len != 38)) { |
| 1452 | return srtp_err_status_fail; |
| 1453 | } |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 1454 | |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 1455 | debug_print(mod_driver, "ciphertext:\n %s", |
| 1456 | octet_string_hex_string(srtp_plaintext, len)); |
| 1457 | debug_print(mod_driver, "ciphertext reference:\n %s", |
| 1458 | octet_string_hex_string(srtp_ciphertext, len)); |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 1459 | |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 1460 | if (octet_string_is_eq(srtp_plaintext, srtp_ciphertext, len)) { |
| 1461 | return srtp_err_status_fail; |
| 1462 | } |
Jonathan Lennox | 80c4c83 | 2010-05-17 19:30:28 +0000 | [diff] [blame] | 1463 | |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 1464 | /* |
| 1465 | * create a receiver session context comparable to the one created |
| 1466 | * above - we need to do this so that the replay checking doesn't |
| 1467 | * complain |
| 1468 | */ |
| 1469 | status = srtp_create(&srtp_recv, &policy); |
| 1470 | if (status) { |
| 1471 | return status; |
| 1472 | } |
Jonathan Lennox | 80c4c83 | 2010-05-17 19:30:28 +0000 | [diff] [blame] | 1473 | |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 1474 | /* |
| 1475 | * unprotect ciphertext, then compare with plaintext |
| 1476 | */ |
| 1477 | status = srtp_unprotect(srtp_recv, srtp_ciphertext, &len); |
| 1478 | if (status || (len != 28)) { |
| 1479 | return status; |
| 1480 | } |
| 1481 | |
| 1482 | if (octet_string_is_eq(srtp_ciphertext, srtp_plaintext_ref, len)) { |
| 1483 | return srtp_err_status_fail; |
| 1484 | } |
| 1485 | |
| 1486 | status = srtp_dealloc(srtp_snd); |
| 1487 | if (status) { |
| 1488 | return status; |
| 1489 | } |
| 1490 | |
| 1491 | status = srtp_dealloc(srtp_recv); |
| 1492 | if (status) { |
| 1493 | return status; |
| 1494 | } |
| 1495 | |
| 1496 | return srtp_err_status_ok; |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 1497 | } |
| 1498 | |
Joachim Bauch | 99a7482 | 2015-11-17 00:08:19 +0100 | [diff] [blame^] | 1499 | /* |
| 1500 | * Test vectors taken from RFC 6904, Appendix A |
| 1501 | */ |
| 1502 | srtp_err_status_t |
| 1503 | srtp_validate_encrypted_extensions_headers() { |
| 1504 | unsigned char test_key_ext_headers[30] = { |
| 1505 | 0xe1, 0xf9, 0x7a, 0x0d, 0x3e, 0x01, 0x8b, 0xe0, |
| 1506 | 0xd6, 0x4f, 0xa3, 0x2c, 0x06, 0xde, 0x41, 0x39, |
| 1507 | 0x0e, 0xc6, 0x75, 0xad, 0x49, 0x8a, 0xfe, 0xeb, |
| 1508 | 0xb6, 0x96, 0x0b, 0x3a, 0xab, 0xe6 |
| 1509 | }; |
| 1510 | uint8_t srtp_plaintext_ref[56] = { |
| 1511 | 0x90, 0x0f, 0x12, 0x34, 0xde, 0xca, 0xfb, 0xad, |
| 1512 | 0xca, 0xfe, 0xba, 0xbe, 0xBE, 0xDE, 0x00, 0x06, |
| 1513 | 0x17, 0x41, 0x42, 0x73, 0xA4, 0x75, 0x26, 0x27, |
| 1514 | 0x48, 0x22, 0x00, 0x00, 0xC8, 0x30, 0x8E, 0x46, |
| 1515 | 0x55, 0x99, 0x63, 0x86, 0xB3, 0x95, 0xFB, 0x00, |
| 1516 | 0xab, 0xab, 0xab, 0xab, 0xab, 0xab, 0xab, 0xab, |
| 1517 | 0xab, 0xab, 0xab, 0xab, 0xab, 0xab, 0xab, 0xab |
| 1518 | }; |
| 1519 | uint8_t srtp_plaintext[66] = { |
| 1520 | 0x90, 0x0f, 0x12, 0x34, 0xde, 0xca, 0xfb, 0xad, |
| 1521 | 0xca, 0xfe, 0xba, 0xbe, 0xBE, 0xDE, 0x00, 0x06, |
| 1522 | 0x17, 0x41, 0x42, 0x73, 0xA4, 0x75, 0x26, 0x27, |
| 1523 | 0x48, 0x22, 0x00, 0x00, 0xC8, 0x30, 0x8E, 0x46, |
| 1524 | 0x55, 0x99, 0x63, 0x86, 0xB3, 0x95, 0xFB, 0x00, |
| 1525 | 0xab, 0xab, 0xab, 0xab, 0xab, 0xab, 0xab, 0xab, |
| 1526 | 0xab, 0xab, 0xab, 0xab, 0xab, 0xab, 0xab, 0xab, |
| 1527 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 1528 | 0x00, 0x00 |
| 1529 | }; |
| 1530 | uint8_t srtp_ciphertext[66] = { |
| 1531 | 0x90, 0x0f, 0x12, 0x34, 0xde, 0xca, 0xfb, 0xad, |
| 1532 | 0xca, 0xfe, 0xba, 0xbe, 0xBE, 0xDE, 0x00, 0x06, |
| 1533 | 0x17, 0x58, 0x8A, 0x92, 0x70, 0xF4, 0xE1, 0x5E, |
| 1534 | 0x1C, 0x22, 0x00, 0x00, 0xC8, 0x30, 0x95, 0x46, |
| 1535 | 0xA9, 0x94, 0xF0, 0xBC, 0x54, 0x78, 0x97, 0x00, |
| 1536 | 0x4e, 0x55, 0xdc, 0x4c, 0xe7, 0x99, 0x78, 0xd8, |
| 1537 | 0x8c, 0xa4, 0xd2, 0x15, 0x94, 0x9d, 0x24, 0x02, |
| 1538 | 0x5a, 0x46, 0xb3, 0xca, 0x35, 0xc5, 0x35, 0xa8, |
| 1539 | 0x91, 0xc7 |
| 1540 | }; |
| 1541 | srtp_t srtp_snd, srtp_recv; |
| 1542 | srtp_err_status_t status; |
| 1543 | int len; |
| 1544 | srtp_policy_t policy; |
| 1545 | int headers[3] = {1, 3, 4}; |
| 1546 | |
| 1547 | /* |
| 1548 | * create a session with a single stream using the default srtp |
| 1549 | * policy and with the SSRC value 0xcafebabe |
| 1550 | */ |
| 1551 | memset(&policy, 0, sizeof(policy)); |
| 1552 | srtp_crypto_policy_set_rtp_default(&policy.rtp); |
| 1553 | srtp_crypto_policy_set_rtcp_default(&policy.rtcp); |
| 1554 | policy.ssrc.type = ssrc_specific; |
| 1555 | policy.ssrc.value = 0xcafebabe; |
| 1556 | policy.key = test_key_ext_headers; |
| 1557 | policy.ekt = NULL; |
| 1558 | policy.window_size = 128; |
| 1559 | policy.allow_repeat_tx = 0; |
| 1560 | policy.enc_xtn_hdr = headers; |
| 1561 | policy.enc_xtn_hdr_count = sizeof(headers) / sizeof(headers[0]); |
| 1562 | policy.next = NULL; |
| 1563 | |
| 1564 | status = srtp_create(&srtp_snd, &policy); |
| 1565 | if (status) |
| 1566 | return status; |
| 1567 | |
| 1568 | /* |
| 1569 | * protect plaintext, then compare with ciphertext |
| 1570 | */ |
| 1571 | len = sizeof(srtp_plaintext_ref); |
| 1572 | status = srtp_protect(srtp_snd, srtp_plaintext, &len); |
| 1573 | if (status || (len != sizeof(srtp_plaintext))) |
| 1574 | return srtp_err_status_fail; |
| 1575 | |
| 1576 | debug_print(mod_driver, "ciphertext:\n %s", |
| 1577 | srtp_octet_string_hex_string(srtp_plaintext, len)); |
| 1578 | debug_print(mod_driver, "ciphertext reference:\n %s", |
| 1579 | srtp_octet_string_hex_string(srtp_ciphertext, len)); |
| 1580 | |
| 1581 | if (octet_string_is_eq(srtp_plaintext, srtp_ciphertext, len)) |
| 1582 | return srtp_err_status_fail; |
| 1583 | |
| 1584 | /* |
| 1585 | * create a receiver session context comparable to the one created |
| 1586 | * above - we need to do this so that the replay checking doesn't |
| 1587 | * complain |
| 1588 | */ |
| 1589 | status = srtp_create(&srtp_recv, &policy); |
| 1590 | if (status) |
| 1591 | return status; |
| 1592 | |
| 1593 | /* |
| 1594 | * unprotect ciphertext, then compare with plaintext |
| 1595 | */ |
| 1596 | status = srtp_unprotect(srtp_recv, srtp_ciphertext, &len); |
| 1597 | if (status || (len != 28)) |
| 1598 | return status; |
| 1599 | |
| 1600 | if (octet_string_is_eq(srtp_ciphertext, srtp_plaintext_ref, len)) |
| 1601 | return srtp_err_status_fail; |
| 1602 | |
| 1603 | status = srtp_dealloc(srtp_snd); |
| 1604 | if (status) |
| 1605 | return status; |
| 1606 | |
| 1607 | status = srtp_dealloc(srtp_recv); |
| 1608 | if (status) |
| 1609 | return status; |
| 1610 | |
| 1611 | return srtp_err_status_ok; |
| 1612 | } |
| 1613 | |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 1614 | |
Jonathan Lennox | 5df951a | 2010-05-20 20:55:54 +0000 | [diff] [blame] | 1615 | /* |
| 1616 | * srtp_validate_aes_256() verifies the correctness of libsrtp by comparing |
| 1617 | * some computed packets against some pre-computed reference values. |
| 1618 | * These packets were made with the AES-CM-256/HMAC-SHA-1-80 policy. |
| 1619 | */ |
| 1620 | |
| 1621 | |
jfigus | 857009c | 2014-11-05 11:17:43 -0500 | [diff] [blame] | 1622 | srtp_err_status_t |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 1623 | srtp_validate_aes_256 () |
| 1624 | { |
| 1625 | unsigned char aes_256_test_key[46] = { |
| 1626 | 0xf0, 0xf0, 0x49, 0x14, 0xb5, 0x13, 0xf2, 0x76, |
| 1627 | 0x3a, 0x1b, 0x1f, 0xa1, 0x30, 0xf1, 0x0e, 0x29, |
| 1628 | 0x98, 0xf6, 0xf6, 0xe4, 0x3e, 0x43, 0x09, 0xd1, |
| 1629 | 0xe6, 0x22, 0xa0, 0xe3, 0x32, 0xb9, 0xf1, 0xb6, |
Jonathan Lennox | 5df951a | 2010-05-20 20:55:54 +0000 | [diff] [blame] | 1630 | |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 1631 | 0x3b, 0x04, 0x80, 0x3d, 0xe5, 0x1e, 0xe7, 0xc9, |
| 1632 | 0x64, 0x23, 0xab, 0x5b, 0x78, 0xd2 |
| 1633 | }; |
| 1634 | uint8_t srtp_plaintext_ref[28] = { |
| 1635 | 0x80, 0x0f, 0x12, 0x34, 0xde, 0xca, 0xfb, 0xad, |
| 1636 | 0xca, 0xfe, 0xba, 0xbe, 0xab, 0xab, 0xab, 0xab, |
| 1637 | 0xab, 0xab, 0xab, 0xab, 0xab, 0xab, 0xab, 0xab, |
| 1638 | 0xab, 0xab, 0xab, 0xab |
| 1639 | }; |
| 1640 | uint8_t srtp_plaintext[38] = { |
| 1641 | 0x80, 0x0f, 0x12, 0x34, 0xde, 0xca, 0xfb, 0xad, |
| 1642 | 0xca, 0xfe, 0xba, 0xbe, 0xab, 0xab, 0xab, 0xab, |
| 1643 | 0xab, 0xab, 0xab, 0xab, 0xab, 0xab, 0xab, 0xab, |
| 1644 | 0xab, 0xab, 0xab, 0xab, 0x00, 0x00, 0x00, 0x00, |
| 1645 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 |
| 1646 | }; |
| 1647 | uint8_t srtp_ciphertext[38] = { |
| 1648 | 0x80, 0x0f, 0x12, 0x34, 0xde, 0xca, 0xfb, 0xad, |
| 1649 | 0xca, 0xfe, 0xba, 0xbe, 0xf1, 0xd9, 0xde, 0x17, |
| 1650 | 0xff, 0x25, 0x1f, 0xf1, 0xaa, 0x00, 0x77, 0x74, |
| 1651 | 0xb0, 0xb4, 0xb4, 0x0d, 0xa0, 0x8d, 0x9d, 0x9a, |
| 1652 | 0x5b, 0x3a, 0x55, 0xd8, 0x87, 0x3b |
| 1653 | }; |
| 1654 | srtp_t srtp_snd, srtp_recv; |
| 1655 | srtp_err_status_t status; |
| 1656 | int len; |
| 1657 | srtp_policy_t policy; |
Jonathan Lennox | 5df951a | 2010-05-20 20:55:54 +0000 | [diff] [blame] | 1658 | |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 1659 | /* |
| 1660 | * create a session with a single stream using the default srtp |
| 1661 | * policy and with the SSRC value 0xcafebabe |
| 1662 | */ |
Joachim Bauch | 99a7482 | 2015-11-17 00:08:19 +0100 | [diff] [blame^] | 1663 | memset(&policy, 0, sizeof(policy)); |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 1664 | srtp_crypto_policy_set_aes_cm_256_hmac_sha1_80(&policy.rtp); |
| 1665 | srtp_crypto_policy_set_aes_cm_256_hmac_sha1_80(&policy.rtcp); |
| 1666 | policy.ssrc.type = ssrc_specific; |
| 1667 | policy.ssrc.value = 0xcafebabe; |
| 1668 | policy.key = aes_256_test_key; |
| 1669 | policy.ekt = NULL; |
| 1670 | policy.window_size = 128; |
| 1671 | policy.allow_repeat_tx = 0; |
| 1672 | policy.next = NULL; |
Jonathan Lennox | 5df951a | 2010-05-20 20:55:54 +0000 | [diff] [blame] | 1673 | |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 1674 | status = srtp_create(&srtp_snd, &policy); |
| 1675 | if (status) { |
| 1676 | return status; |
| 1677 | } |
Jonathan Lennox | 5df951a | 2010-05-20 20:55:54 +0000 | [diff] [blame] | 1678 | |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 1679 | /* |
| 1680 | * protect plaintext, then compare with ciphertext |
| 1681 | */ |
| 1682 | len = 28; |
| 1683 | status = srtp_protect(srtp_snd, srtp_plaintext, &len); |
| 1684 | if (status || (len != 38)) { |
| 1685 | return srtp_err_status_fail; |
| 1686 | } |
Jonathan Lennox | 5df951a | 2010-05-20 20:55:54 +0000 | [diff] [blame] | 1687 | |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 1688 | debug_print(mod_driver, "ciphertext:\n %s", |
| 1689 | octet_string_hex_string(srtp_plaintext, len)); |
| 1690 | debug_print(mod_driver, "ciphertext reference:\n %s", |
| 1691 | octet_string_hex_string(srtp_ciphertext, len)); |
Jonathan Lennox | 5df951a | 2010-05-20 20:55:54 +0000 | [diff] [blame] | 1692 | |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 1693 | if (octet_string_is_eq(srtp_plaintext, srtp_ciphertext, len)) { |
| 1694 | return srtp_err_status_fail; |
| 1695 | } |
Jonathan Lennox | 5df951a | 2010-05-20 20:55:54 +0000 | [diff] [blame] | 1696 | |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 1697 | /* |
| 1698 | * create a receiver session context comparable to the one created |
| 1699 | * above - we need to do this so that the replay checking doesn't |
| 1700 | * complain |
| 1701 | */ |
| 1702 | status = srtp_create(&srtp_recv, &policy); |
| 1703 | if (status) { |
| 1704 | return status; |
| 1705 | } |
Jonathan Lennox | 5df951a | 2010-05-20 20:55:54 +0000 | [diff] [blame] | 1706 | |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 1707 | /* |
| 1708 | * unprotect ciphertext, then compare with plaintext |
| 1709 | */ |
| 1710 | status = srtp_unprotect(srtp_recv, srtp_ciphertext, &len); |
| 1711 | if (status || (len != 28)) { |
| 1712 | return status; |
| 1713 | } |
| 1714 | |
| 1715 | if (octet_string_is_eq(srtp_ciphertext, srtp_plaintext_ref, len)) { |
| 1716 | return srtp_err_status_fail; |
| 1717 | } |
| 1718 | |
| 1719 | status = srtp_dealloc(srtp_snd); |
| 1720 | if (status) { |
| 1721 | return status; |
| 1722 | } |
| 1723 | |
| 1724 | status = srtp_dealloc(srtp_recv); |
| 1725 | if (status) { |
| 1726 | return status; |
| 1727 | } |
| 1728 | |
| 1729 | return srtp_err_status_ok; |
Jonathan Lennox | 5df951a | 2010-05-20 20:55:54 +0000 | [diff] [blame] | 1730 | } |
| 1731 | |
| 1732 | |
jfigus | 857009c | 2014-11-05 11:17:43 -0500 | [diff] [blame] | 1733 | srtp_err_status_t |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 1734 | srtp_create_big_policy (srtp_policy_t **list) |
| 1735 | { |
| 1736 | extern const srtp_policy_t *policy_array[]; |
| 1737 | srtp_policy_t *p, *tmp; |
| 1738 | int i = 0; |
| 1739 | uint32_t ssrc = 0; |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 1740 | |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 1741 | /* sanity checking */ |
| 1742 | if ((list == NULL) || (policy_array[0] == NULL)) { |
| 1743 | return srtp_err_status_bad_param; |
| 1744 | } |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 1745 | |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 1746 | /* |
| 1747 | * loop over policy list, mallocing a new list and copying values |
| 1748 | * into it (and incrementing the SSRC value as we go along) |
| 1749 | */ |
| 1750 | tmp = NULL; |
| 1751 | while (policy_array[i] != NULL) { |
| 1752 | p = (srtp_policy_t*)malloc(sizeof(srtp_policy_t)); |
| 1753 | if (p == NULL) { |
| 1754 | return srtp_err_status_bad_param; |
| 1755 | } |
| 1756 | memcpy(p, policy_array[i], sizeof(srtp_policy_t)); |
| 1757 | p->ssrc.type = ssrc_specific; |
| 1758 | p->ssrc.value = ssrc++; |
| 1759 | p->next = tmp; |
| 1760 | tmp = p; |
| 1761 | i++; |
| 1762 | } |
| 1763 | *list = p; |
| 1764 | |
| 1765 | return srtp_err_status_ok; |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 1766 | } |
| 1767 | |
jfigus | 857009c | 2014-11-05 11:17:43 -0500 | [diff] [blame] | 1768 | srtp_err_status_t |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 1769 | srtp_dealloc_big_policy (srtp_policy_t *list) |
| 1770 | { |
| 1771 | srtp_policy_t *p, *next; |
Jonathan Lennox | 80c4c83 | 2010-05-17 19:30:28 +0000 | [diff] [blame] | 1772 | |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 1773 | for (p = list; p != NULL; p = next) { |
| 1774 | next = p->next; |
| 1775 | free(p); |
| 1776 | } |
Jonathan Lennox | 80c4c83 | 2010-05-17 19:30:28 +0000 | [diff] [blame] | 1777 | |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 1778 | return srtp_err_status_ok; |
Jonathan Lennox | 80c4c83 | 2010-05-17 19:30:28 +0000 | [diff] [blame] | 1779 | } |
| 1780 | |
| 1781 | |
jfigus | 857009c | 2014-11-05 11:17:43 -0500 | [diff] [blame] | 1782 | srtp_err_status_t |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 1783 | srtp_test_remove_stream () |
| 1784 | { |
| 1785 | srtp_err_status_t status; |
| 1786 | srtp_policy_t *policy_list, policy; |
| 1787 | srtp_t session; |
| 1788 | srtp_stream_t stream; |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 1789 | |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 1790 | /* |
| 1791 | * srtp_get_stream() is a libSRTP internal function that we declare |
| 1792 | * here so that we can use it to verify the correct operation of the |
| 1793 | * library |
| 1794 | */ |
| 1795 | 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] | 1796 | |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 1797 | |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 1798 | status = srtp_create_big_policy(&policy_list); |
| 1799 | if (status) { |
| 1800 | return status; |
| 1801 | } |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 1802 | |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 1803 | status = srtp_create(&session, policy_list); |
| 1804 | if (status) { |
| 1805 | return status; |
| 1806 | } |
Jonathan Lennox | 80c4c83 | 2010-05-17 19:30:28 +0000 | [diff] [blame] | 1807 | |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 1808 | /* |
| 1809 | * check for false positives by trying to remove a stream that's not |
| 1810 | * in the session |
| 1811 | */ |
| 1812 | status = srtp_remove_stream(session, htonl(0xaaaaaaaa)); |
| 1813 | if (status != srtp_err_status_no_ctx) { |
| 1814 | return srtp_err_status_fail; |
| 1815 | } |
Jonathan Lennox | 80c4c83 | 2010-05-17 19:30:28 +0000 | [diff] [blame] | 1816 | |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 1817 | /* |
| 1818 | * check for false negatives by removing stream 0x1, then |
| 1819 | * searching for streams 0x0 and 0x2 |
| 1820 | */ |
| 1821 | status = srtp_remove_stream(session, htonl(0x1)); |
| 1822 | if (status != srtp_err_status_ok) { |
| 1823 | return srtp_err_status_fail; |
| 1824 | } |
| 1825 | stream = srtp_get_stream(session, htonl(0x0)); |
| 1826 | if (stream == NULL) { |
| 1827 | return srtp_err_status_fail; |
| 1828 | } |
| 1829 | stream = srtp_get_stream(session, htonl(0x2)); |
| 1830 | if (stream == NULL) { |
| 1831 | return srtp_err_status_fail; |
| 1832 | } |
Jonathan Lennox | ad741b2 | 2010-05-27 19:23:05 +0000 | [diff] [blame] | 1833 | |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 1834 | status = srtp_dealloc(session); |
| 1835 | if (status != srtp_err_status_ok) { |
| 1836 | return status; |
| 1837 | } |
Jonathan Lennox | ad741b2 | 2010-05-27 19:23:05 +0000 | [diff] [blame] | 1838 | |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 1839 | status = srtp_dealloc_big_policy(policy_list); |
| 1840 | if (status != srtp_err_status_ok) { |
| 1841 | return status; |
| 1842 | } |
Jonathan Lennox | ad741b2 | 2010-05-27 19:23:05 +0000 | [diff] [blame] | 1843 | |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 1844 | /* Now test adding and removing a single stream */ |
Joachim Bauch | 99a7482 | 2015-11-17 00:08:19 +0100 | [diff] [blame^] | 1845 | memset(&policy, 0, sizeof(policy)); |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 1846 | srtp_crypto_policy_set_rtp_default(&policy.rtp); |
| 1847 | srtp_crypto_policy_set_rtcp_default(&policy.rtcp); |
| 1848 | policy.ssrc.type = ssrc_specific; |
| 1849 | policy.ssrc.value = 0xcafebabe; |
| 1850 | policy.key = test_key; |
| 1851 | policy.ekt = NULL; |
| 1852 | policy.window_size = 128; |
| 1853 | policy.allow_repeat_tx = 0; |
| 1854 | policy.next = NULL; |
Jonathan Lennox | ad741b2 | 2010-05-27 19:23:05 +0000 | [diff] [blame] | 1855 | |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 1856 | status = srtp_create(&session, NULL); |
| 1857 | if (status != srtp_err_status_ok) { |
| 1858 | return status; |
| 1859 | } |
| 1860 | |
| 1861 | status = srtp_add_stream(session, &policy); |
| 1862 | if (status != srtp_err_status_ok) { |
| 1863 | return status; |
| 1864 | } |
| 1865 | |
| 1866 | status = srtp_remove_stream(session, htonl(0xcafebabe)); |
| 1867 | if (status != srtp_err_status_ok) { |
| 1868 | return status; |
| 1869 | } |
| 1870 | |
| 1871 | status = srtp_dealloc(session); |
| 1872 | if (status != srtp_err_status_ok) { |
| 1873 | return status; |
| 1874 | } |
| 1875 | |
| 1876 | return srtp_err_status_ok; |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 1877 | } |
| 1878 | |
| 1879 | /* |
| 1880 | * srtp policy definitions - these definitions are used above |
| 1881 | */ |
| 1882 | |
jfigus | 8c36da2 | 2013-10-01 16:41:19 -0400 | [diff] [blame] | 1883 | unsigned char test_key[46] = { |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 1884 | 0xe1, 0xf9, 0x7a, 0x0d, 0x3e, 0x01, 0x8b, 0xe0, |
| 1885 | 0xd6, 0x4f, 0xa3, 0x2c, 0x06, 0xde, 0x41, 0x39, |
| 1886 | 0x0e, 0xc6, 0x75, 0xad, 0x49, 0x8a, 0xfe, 0xeb, |
jfigus | 8c36da2 | 2013-10-01 16:41:19 -0400 | [diff] [blame] | 1887 | 0xb6, 0x96, 0x0b, 0x3a, 0xab, 0xe6, 0xc1, 0x73, |
| 1888 | 0xc3, 0x17, 0xf2, 0xda, 0xbe, 0x35, 0x77, 0x93, |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 1889 | 0xb6, 0x96, 0x0b, 0x3a, 0xab, 0xe6 |
| 1890 | }; |
| 1891 | |
| 1892 | |
| 1893 | const srtp_policy_t default_policy = { |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 1894 | { ssrc_any_outbound, 0 }, /* SSRC */ |
| 1895 | { /* SRTP policy */ |
| 1896 | SRTP_AES_128_ICM, /* cipher type */ |
| 1897 | 30, /* cipher key length in octets */ |
| 1898 | SRTP_HMAC_SHA1, /* authentication func type */ |
| 1899 | 16, /* auth key length in octets */ |
| 1900 | 10, /* auth tag length in octets */ |
| 1901 | sec_serv_conf_and_auth /* security services flag */ |
| 1902 | }, |
| 1903 | { /* SRTCP policy */ |
| 1904 | SRTP_AES_128_ICM, /* cipher type */ |
| 1905 | 30, /* cipher key length in octets */ |
| 1906 | SRTP_HMAC_SHA1, /* authentication func type */ |
| 1907 | 16, /* auth key length in octets */ |
| 1908 | 10, /* auth tag length in octets */ |
| 1909 | sec_serv_conf_and_auth /* security services flag */ |
| 1910 | }, |
| 1911 | test_key, |
| 1912 | NULL, /* indicates that EKT is not in use */ |
| 1913 | 128, /* replay window size */ |
| 1914 | 0, /* retransmission not allowed */ |
Joachim Bauch | 99a7482 | 2015-11-17 00:08:19 +0100 | [diff] [blame^] | 1915 | NULL, /* no encrypted extension headers */ |
| 1916 | 0, /* list of encrypted extension headers is empty */ |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 1917 | NULL |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 1918 | }; |
| 1919 | |
| 1920 | const srtp_policy_t aes_only_policy = { |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 1921 | { ssrc_any_outbound, 0 }, /* SSRC */ |
| 1922 | { |
| 1923 | SRTP_AES_128_ICM, /* cipher type */ |
| 1924 | 30, /* cipher key length in octets */ |
| 1925 | SRTP_NULL_AUTH, /* authentication func type */ |
| 1926 | 0, /* auth key length in octets */ |
| 1927 | 0, /* auth tag length in octets */ |
| 1928 | sec_serv_conf /* security services flag */ |
| 1929 | }, |
| 1930 | { |
| 1931 | SRTP_AES_128_ICM, /* cipher type */ |
| 1932 | 30, /* cipher key length in octets */ |
| 1933 | SRTP_NULL_AUTH, /* authentication func type */ |
| 1934 | 0, /* auth key length in octets */ |
| 1935 | 0, /* auth tag length in octets */ |
| 1936 | sec_serv_conf /* security services flag */ |
| 1937 | }, |
| 1938 | test_key, |
| 1939 | NULL, /* indicates that EKT is not in use */ |
| 1940 | 128, /* replay window size */ |
| 1941 | 0, /* retransmission not allowed */ |
Joachim Bauch | 99a7482 | 2015-11-17 00:08:19 +0100 | [diff] [blame^] | 1942 | NULL, /* no encrypted extension headers */ |
| 1943 | 0, /* list of encrypted extension headers is empty */ |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 1944 | NULL |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 1945 | }; |
| 1946 | |
| 1947 | const srtp_policy_t hmac_only_policy = { |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 1948 | { ssrc_any_outbound, 0 }, /* SSRC */ |
| 1949 | { |
| 1950 | SRTP_NULL_CIPHER, /* cipher type */ |
| 1951 | 0, /* cipher key length in octets */ |
| 1952 | SRTP_HMAC_SHA1, /* authentication func type */ |
| 1953 | 20, /* auth key length in octets */ |
| 1954 | 4, /* auth tag length in octets */ |
| 1955 | sec_serv_auth /* security services flag */ |
| 1956 | }, |
| 1957 | { |
| 1958 | SRTP_NULL_CIPHER, /* cipher type */ |
| 1959 | 0, /* cipher key length in octets */ |
| 1960 | SRTP_HMAC_SHA1, /* authentication func type */ |
| 1961 | 20, /* auth key length in octets */ |
| 1962 | 4, /* auth tag length in octets */ |
| 1963 | sec_serv_auth /* security services flag */ |
| 1964 | }, |
| 1965 | test_key, |
| 1966 | NULL, /* indicates that EKT is not in use */ |
| 1967 | 128, /* replay window size */ |
| 1968 | 0, /* retransmission not allowed */ |
Joachim Bauch | 99a7482 | 2015-11-17 00:08:19 +0100 | [diff] [blame^] | 1969 | NULL, /* no encrypted extension headers */ |
| 1970 | 0, /* list of encrypted extension headers is empty */ |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 1971 | NULL |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 1972 | }; |
| 1973 | |
jfigus | 8c36da2 | 2013-10-01 16:41:19 -0400 | [diff] [blame] | 1974 | #ifdef OPENSSL |
| 1975 | const srtp_policy_t aes128_gcm_8_policy = { |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 1976 | { ssrc_any_outbound, 0 }, /* SSRC */ |
| 1977 | { /* SRTP policy */ |
| 1978 | SRTP_AES_128_GCM, /* cipher type */ |
| 1979 | SRTP_AES_128_GCM_KEYSIZE_WSALT, /* cipher key length in octets */ |
| 1980 | SRTP_NULL_AUTH, /* authentication func type */ |
| 1981 | 0, /* auth key length in octets */ |
| 1982 | 8, /* auth tag length in octets */ |
| 1983 | sec_serv_conf_and_auth /* security services flag */ |
jfigus | 8c36da2 | 2013-10-01 16:41:19 -0400 | [diff] [blame] | 1984 | }, |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 1985 | { /* SRTCP policy */ |
| 1986 | SRTP_AES_128_GCM, /* cipher type */ |
| 1987 | SRTP_AES_128_GCM_KEYSIZE_WSALT, /* cipher key length in octets */ |
| 1988 | SRTP_NULL_AUTH, /* authentication func type */ |
| 1989 | 0, /* auth key length in octets */ |
| 1990 | 8, /* auth tag length in octets */ |
| 1991 | sec_serv_conf_and_auth /* security services flag */ |
jfigus | 8c36da2 | 2013-10-01 16:41:19 -0400 | [diff] [blame] | 1992 | }, |
| 1993 | test_key, |
| 1994 | NULL, /* indicates that EKT is not in use */ |
| 1995 | 128, /* replay window size */ |
| 1996 | 0, /* retransmission not allowed */ |
Joachim Bauch | 99a7482 | 2015-11-17 00:08:19 +0100 | [diff] [blame^] | 1997 | NULL, /* no encrypted extension headers */ |
| 1998 | 0, /* list of encrypted extension headers is empty */ |
jfigus | 8c36da2 | 2013-10-01 16:41:19 -0400 | [diff] [blame] | 1999 | NULL |
| 2000 | }; |
| 2001 | |
| 2002 | const srtp_policy_t aes128_gcm_8_cauth_policy = { |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 2003 | { ssrc_any_outbound, 0 }, /* SSRC */ |
| 2004 | { /* SRTP policy */ |
| 2005 | SRTP_AES_128_GCM, /* cipher type */ |
| 2006 | SRTP_AES_128_GCM_KEYSIZE_WSALT, /* cipher key length in octets */ |
| 2007 | SRTP_NULL_AUTH, /* authentication func type */ |
| 2008 | 0, /* auth key length in octets */ |
| 2009 | 8, /* auth tag length in octets */ |
| 2010 | sec_serv_conf_and_auth /* security services flag */ |
jfigus | 8c36da2 | 2013-10-01 16:41:19 -0400 | [diff] [blame] | 2011 | }, |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 2012 | { /* SRTCP policy */ |
| 2013 | SRTP_AES_128_GCM, /* cipher type */ |
| 2014 | SRTP_AES_128_GCM_KEYSIZE_WSALT, /* cipher key length in octets */ |
| 2015 | SRTP_NULL_AUTH, /* authentication func type */ |
| 2016 | 0, /* auth key length in octets */ |
| 2017 | 8, /* auth tag length in octets */ |
| 2018 | sec_serv_auth /* security services flag */ |
jfigus | 8c36da2 | 2013-10-01 16:41:19 -0400 | [diff] [blame] | 2019 | }, |
| 2020 | test_key, |
| 2021 | NULL, /* indicates that EKT is not in use */ |
| 2022 | 128, /* replay window size */ |
| 2023 | 0, /* retransmission not allowed */ |
Joachim Bauch | 99a7482 | 2015-11-17 00:08:19 +0100 | [diff] [blame^] | 2024 | NULL, /* no encrypted extension headers */ |
| 2025 | 0, /* list of encrypted extension headers is empty */ |
jfigus | 8c36da2 | 2013-10-01 16:41:19 -0400 | [diff] [blame] | 2026 | NULL |
| 2027 | }; |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 2028 | |
jfigus | 8c36da2 | 2013-10-01 16:41:19 -0400 | [diff] [blame] | 2029 | const srtp_policy_t aes256_gcm_8_policy = { |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 2030 | { ssrc_any_outbound, 0 }, /* SSRC */ |
| 2031 | { /* SRTP policy */ |
| 2032 | SRTP_AES_256_GCM, /* cipher type */ |
| 2033 | SRTP_AES_256_GCM_KEYSIZE_WSALT, /* cipher key length in octets */ |
| 2034 | SRTP_NULL_AUTH, /* authentication func type */ |
| 2035 | 0, /* auth key length in octets */ |
| 2036 | 8, /* auth tag length in octets */ |
| 2037 | sec_serv_conf_and_auth /* security services flag */ |
jfigus | 8c36da2 | 2013-10-01 16:41:19 -0400 | [diff] [blame] | 2038 | }, |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 2039 | { /* SRTCP policy */ |
| 2040 | SRTP_AES_256_GCM, /* cipher type */ |
| 2041 | SRTP_AES_256_GCM_KEYSIZE_WSALT, /* cipher key length in octets */ |
| 2042 | SRTP_NULL_AUTH, /* authentication func type */ |
| 2043 | 0, /* auth key length in octets */ |
| 2044 | 8, /* auth tag length in octets */ |
| 2045 | sec_serv_conf_and_auth /* security services flag */ |
jfigus | 8c36da2 | 2013-10-01 16:41:19 -0400 | [diff] [blame] | 2046 | }, |
| 2047 | test_key, |
| 2048 | NULL, /* indicates that EKT is not in use */ |
| 2049 | 128, /* replay window size */ |
| 2050 | 0, /* retransmission not allowed */ |
Joachim Bauch | 99a7482 | 2015-11-17 00:08:19 +0100 | [diff] [blame^] | 2051 | NULL, /* no encrypted extension headers */ |
| 2052 | 0, /* list of encrypted extension headers is empty */ |
jfigus | 8c36da2 | 2013-10-01 16:41:19 -0400 | [diff] [blame] | 2053 | NULL |
| 2054 | }; |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 2055 | |
jfigus | 8c36da2 | 2013-10-01 16:41:19 -0400 | [diff] [blame] | 2056 | const srtp_policy_t aes256_gcm_8_cauth_policy = { |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 2057 | { ssrc_any_outbound, 0 }, /* SSRC */ |
| 2058 | { /* SRTP policy */ |
| 2059 | SRTP_AES_256_GCM, /* cipher type */ |
| 2060 | SRTP_AES_256_GCM_KEYSIZE_WSALT, /* cipher key length in octets */ |
| 2061 | SRTP_NULL_AUTH, /* authentication func type */ |
| 2062 | 0, /* auth key length in octets */ |
| 2063 | 8, /* auth tag length in octets */ |
| 2064 | sec_serv_conf_and_auth /* security services flag */ |
jfigus | 8c36da2 | 2013-10-01 16:41:19 -0400 | [diff] [blame] | 2065 | }, |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 2066 | { /* SRTCP policy */ |
| 2067 | SRTP_AES_256_GCM, /* cipher type */ |
| 2068 | SRTP_AES_256_GCM_KEYSIZE_WSALT, /* cipher key length in octets */ |
| 2069 | SRTP_NULL_AUTH, /* authentication func type */ |
| 2070 | 0, /* auth key length in octets */ |
| 2071 | 8, /* auth tag length in octets */ |
| 2072 | sec_serv_auth /* security services flag */ |
jfigus | 8c36da2 | 2013-10-01 16:41:19 -0400 | [diff] [blame] | 2073 | }, |
| 2074 | test_key, |
| 2075 | NULL, /* indicates that EKT is not in use */ |
| 2076 | 128, /* replay window size */ |
| 2077 | 0, /* retransmission not allowed */ |
Joachim Bauch | 99a7482 | 2015-11-17 00:08:19 +0100 | [diff] [blame^] | 2078 | NULL, /* no encrypted extension headers */ |
| 2079 | 0, /* list of encrypted extension headers is empty */ |
jfigus | 8c36da2 | 2013-10-01 16:41:19 -0400 | [diff] [blame] | 2080 | NULL |
| 2081 | }; |
| 2082 | #endif |
| 2083 | |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 2084 | const srtp_policy_t null_policy = { |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 2085 | { ssrc_any_outbound, 0 }, /* SSRC */ |
| 2086 | { |
| 2087 | SRTP_NULL_CIPHER, /* cipher type */ |
| 2088 | 0, /* cipher key length in octets */ |
| 2089 | SRTP_NULL_AUTH, /* authentication func type */ |
| 2090 | 0, /* auth key length in octets */ |
| 2091 | 0, /* auth tag length in octets */ |
| 2092 | sec_serv_none /* security services flag */ |
| 2093 | }, |
| 2094 | { |
| 2095 | SRTP_NULL_CIPHER, /* cipher type */ |
| 2096 | 0, /* cipher key length in octets */ |
| 2097 | SRTP_NULL_AUTH, /* authentication func type */ |
| 2098 | 0, /* auth key length in octets */ |
| 2099 | 0, /* auth tag length in octets */ |
| 2100 | sec_serv_none /* security services flag */ |
| 2101 | }, |
| 2102 | test_key, |
| 2103 | NULL, /* indicates that EKT is not in use */ |
| 2104 | 128, /* replay window size */ |
| 2105 | 0, /* retransmission not allowed */ |
Joachim Bauch | 99a7482 | 2015-11-17 00:08:19 +0100 | [diff] [blame^] | 2106 | NULL, /* no encrypted extension headers */ |
| 2107 | 0, /* list of encrypted extension headers is empty */ |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 2108 | NULL |
David McGrew | 79870d6 | 2007-06-15 18:17:39 +0000 | [diff] [blame] | 2109 | }; |
| 2110 | |
Jonathan Lennox | 5df951a | 2010-05-20 20:55:54 +0000 | [diff] [blame] | 2111 | unsigned char test_256_key[46] = { |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 2112 | 0xf0, 0xf0, 0x49, 0x14, 0xb5, 0x13, 0xf2, 0x76, |
| 2113 | 0x3a, 0x1b, 0x1f, 0xa1, 0x30, 0xf1, 0x0e, 0x29, |
| 2114 | 0x98, 0xf6, 0xf6, 0xe4, 0x3e, 0x43, 0x09, 0xd1, |
| 2115 | 0xe6, 0x22, 0xa0, 0xe3, 0x32, 0xb9, 0xf1, 0xb6, |
Jonathan Lennox | 5df951a | 2010-05-20 20:55:54 +0000 | [diff] [blame] | 2116 | |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 2117 | 0x3b, 0x04, 0x80, 0x3d, 0xe5, 0x1e, 0xe7, 0xc9, |
| 2118 | 0x64, 0x23, 0xab, 0x5b, 0x78, 0xd2 |
Jonathan Lennox | 5df951a | 2010-05-20 20:55:54 +0000 | [diff] [blame] | 2119 | }; |
| 2120 | |
| 2121 | const srtp_policy_t aes_256_hmac_policy = { |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 2122 | { ssrc_any_outbound, 0 }, /* SSRC */ |
| 2123 | { /* SRTP policy */ |
| 2124 | SRTP_AES_ICM, /* cipher type */ |
| 2125 | 46, /* cipher key length in octets */ |
| 2126 | SRTP_HMAC_SHA1, /* authentication func type */ |
| 2127 | 20, /* auth key length in octets */ |
| 2128 | 10, /* auth tag length in octets */ |
| 2129 | sec_serv_conf_and_auth /* security services flag */ |
| 2130 | }, |
| 2131 | { /* SRTCP policy */ |
| 2132 | SRTP_AES_ICM, /* cipher type */ |
| 2133 | 46, /* cipher key length in octets */ |
| 2134 | SRTP_HMAC_SHA1, /* authentication func type */ |
| 2135 | 20, /* auth key length in octets */ |
| 2136 | 10, /* auth tag length in octets */ |
| 2137 | sec_serv_conf_and_auth /* security services flag */ |
| 2138 | }, |
| 2139 | test_256_key, |
| 2140 | NULL, /* indicates that EKT is not in use */ |
| 2141 | 128, /* replay window size */ |
| 2142 | 0, /* retransmission not allowed */ |
Joachim Bauch | 99a7482 | 2015-11-17 00:08:19 +0100 | [diff] [blame^] | 2143 | NULL, /* no encrypted extension headers */ |
| 2144 | 0, /* list of encrypted extension headers is empty */ |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 2145 | NULL |
Jonathan Lennox | 5df951a | 2010-05-20 20:55:54 +0000 | [diff] [blame] | 2146 | }; |
| 2147 | |
David McGrew | 79870d6 | 2007-06-15 18:17:39 +0000 | [diff] [blame] | 2148 | uint8_t ekt_test_key[16] = { |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 2149 | 0x77, 0x26, 0x9d, 0xac, 0x16, 0xa3, 0x28, 0xca, |
| 2150 | 0x8e, 0xc9, 0x68, 0x4b, 0xcc, 0xc4, 0xd2, 0x1b |
David McGrew | 79870d6 | 2007-06-15 18:17:39 +0000 | [diff] [blame] | 2151 | }; |
| 2152 | |
| 2153 | #include "ekt.h" |
| 2154 | |
jfigus | c5887e7 | 2014-11-06 09:46:18 -0500 | [diff] [blame] | 2155 | srtp_ekt_policy_ctx_t ekt_test_policy = { |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 2156 | 0xa5a5, /* SPI */ |
| 2157 | SRTP_EKT_CIPHER_AES_128_ECB, |
| 2158 | ekt_test_key, |
| 2159 | NULL |
David McGrew | 79870d6 | 2007-06-15 18:17:39 +0000 | [diff] [blame] | 2160 | }; |
| 2161 | |
| 2162 | const srtp_policy_t hmac_only_with_ekt_policy = { |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 2163 | { ssrc_any_outbound, 0 }, /* SSRC */ |
| 2164 | { |
| 2165 | SRTP_NULL_CIPHER, /* cipher type */ |
| 2166 | 0, /* cipher key length in octets */ |
| 2167 | SRTP_HMAC_SHA1, /* authentication func type */ |
| 2168 | 20, /* auth key length in octets */ |
| 2169 | 4, /* auth tag length in octets */ |
| 2170 | sec_serv_auth /* security services flag */ |
| 2171 | }, |
| 2172 | { |
| 2173 | SRTP_NULL_CIPHER, /* cipher type */ |
| 2174 | 0, /* cipher key length in octets */ |
| 2175 | SRTP_HMAC_SHA1, /* authentication func type */ |
| 2176 | 20, /* auth key length in octets */ |
| 2177 | 4, /* auth tag length in octets */ |
| 2178 | sec_serv_auth /* security services flag */ |
| 2179 | }, |
| 2180 | test_key, |
| 2181 | &ekt_test_policy, /* indicates that EKT is not in use */ |
| 2182 | 128, /* replay window size */ |
| 2183 | 0, /* retransmission not allowed */ |
Joachim Bauch | 99a7482 | 2015-11-17 00:08:19 +0100 | [diff] [blame^] | 2184 | NULL, /* no encrypted extension headers */ |
| 2185 | 0, /* list of encrypted extension headers is empty */ |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 2186 | NULL |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 2187 | }; |
| 2188 | |
| 2189 | |
| 2190 | /* |
| 2191 | * an array of pointers to the policies listed above |
| 2192 | * |
| 2193 | * This array is used to test various aspects of libSRTP for |
| 2194 | * different cryptographic policies. The order of the elements |
| 2195 | * matters - the timing test generates output that can be used |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 2196 | * in a plot (see the gnuplot script file 'timing'). If you |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 2197 | * add to this list, you should do it at the end. |
| 2198 | */ |
| 2199 | |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 2200 | const srtp_policy_t * |
| 2201 | policy_array[] = { |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 2202 | &hmac_only_policy, |
| 2203 | &aes_only_policy, |
| 2204 | &default_policy, |
jfigus | 8c36da2 | 2013-10-01 16:41:19 -0400 | [diff] [blame] | 2205 | #ifdef OPENSSL |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 2206 | &aes128_gcm_8_policy, |
| 2207 | &aes128_gcm_8_cauth_policy, |
| 2208 | &aes256_gcm_8_policy, |
| 2209 | &aes256_gcm_8_cauth_policy, |
jfigus | 8c36da2 | 2013-10-01 16:41:19 -0400 | [diff] [blame] | 2210 | #endif |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 2211 | &null_policy, |
| 2212 | &aes_256_hmac_policy, |
| 2213 | &hmac_only_with_ekt_policy, |
| 2214 | NULL |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 2215 | }; |
| 2216 | |
| 2217 | const srtp_policy_t wildcard_policy = { |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 2218 | { ssrc_any_outbound, 0 }, /* SSRC */ |
| 2219 | { /* SRTP policy */ |
| 2220 | SRTP_AES_128_ICM, /* cipher type */ |
| 2221 | 30, /* cipher key length in octets */ |
| 2222 | SRTP_HMAC_SHA1, /* authentication func type */ |
| 2223 | 16, /* auth key length in octets */ |
| 2224 | 10, /* auth tag length in octets */ |
| 2225 | sec_serv_conf_and_auth /* security services flag */ |
| 2226 | }, |
| 2227 | { /* SRTCP policy */ |
| 2228 | SRTP_AES_128_ICM, /* cipher type */ |
| 2229 | 30, /* cipher key length in octets */ |
| 2230 | SRTP_HMAC_SHA1, /* authentication func type */ |
| 2231 | 16, /* auth key length in octets */ |
| 2232 | 10, /* auth tag length in octets */ |
| 2233 | sec_serv_conf_and_auth /* security services flag */ |
| 2234 | }, |
| 2235 | test_key, |
| 2236 | NULL, |
| 2237 | 128, /* replay window size */ |
| 2238 | 0, /* retransmission not allowed */ |
Joachim Bauch | 99a7482 | 2015-11-17 00:08:19 +0100 | [diff] [blame^] | 2239 | NULL, /* no encrypted extension headers */ |
| 2240 | 0, /* list of encrypted extension headers is empty */ |
jfigus | 67b9c73 | 2014-11-20 10:17:21 -0500 | [diff] [blame] | 2241 | NULL |
Cullen Jennings | 235513a | 2005-09-21 22:51:36 +0000 | [diff] [blame] | 2242 | }; |