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| (Empty) |
| 1 /* | |
| 2 * rtp_decoder.c | |
| 3 * | |
| 4 * decoder structures and functions for SRTP pcap decoder | |
| 5 * | |
| 6 * Example: | |
| 7 * $ wget --no-check-certificate https://raw.githubusercontent.com/gteissier/srt
p-decrypt/master/marseillaise-srtp.pcap | |
| 8 * $ ./test/rtp_decoder -a -t 0 -e 128 -b aSBrbm93IGFsbCB5b3VyIGxpdHRsZSBzZWNyZX
Rz \ | |
| 9 * < ~/marseillaise-srtp.pcap | text2pcap -t "%M:%S." -u 10000,10000 - - > ./
marseillaise-rtp.pcap | |
| 10 * | |
| 11 * Bernardo Torres <bernardo@torresautomacao.com.br> | |
| 12 * | |
| 13 * Some structure and code from https://github.com/gteissier/srtp-decrypt | |
| 14 */ | |
| 15 /* | |
| 16 * | |
| 17 * Copyright (c) 2001-2006 Cisco Systems, Inc. | |
| 18 * All rights reserved. | |
| 19 * | |
| 20 * Redistribution and use in source and binary forms, with or without | |
| 21 * modification, are permitted provided that the following conditions | |
| 22 * are met: | |
| 23 * | |
| 24 * Redistributions of source code must retain the above copyright | |
| 25 * notice, this list of conditions and the following disclaimer. | |
| 26 * | |
| 27 * Redistributions in binary form must reproduce the above | |
| 28 * copyright notice, this list of conditions and the following | |
| 29 * disclaimer in the documentation and/or other materials provided | |
| 30 * with the distribution. | |
| 31 * | |
| 32 * Neither the name of the Cisco Systems, Inc. nor the names of its | |
| 33 * contributors may be used to endorse or promote products derived | |
| 34 * from this software without specific prior written permission. | |
| 35 * | |
| 36 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
| 37 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
| 38 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS | |
| 39 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE | |
| 40 * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, | |
| 41 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES | |
| 42 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR | |
| 43 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
| 44 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, | |
| 45 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | |
| 46 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED | |
| 47 * OF THE POSSIBILITY OF SUCH DAMAGE. | |
| 48 * | |
| 49 */ | |
| 50 #include "getopt_s.h" /* for local getopt() */ | |
| 51 #include <assert.h> /* for assert() */ | |
| 52 | |
| 53 #include <pcap.h> | |
| 54 #include "rtp_decoder.h" | |
| 55 | |
| 56 #define MAX_KEY_LEN 96 | |
| 57 #define MAX_FILTER 256 | |
| 58 | |
| 59 int | |
| 60 main (int argc, char *argv[]) { | |
| 61 char errbuf[PCAP_ERRBUF_SIZE]; | |
| 62 bpf_u_int32 pcap_net = 0; | |
| 63 pcap_t *pcap_handle; | |
| 64 #if BEW | |
| 65 struct sockaddr_in local; | |
| 66 #endif | |
| 67 sec_serv_t sec_servs = sec_serv_none; | |
| 68 int c; | |
| 69 int key_size = 128; | |
| 70 int tag_size = 8; | |
| 71 int gcm_on = 0; | |
| 72 char *input_key = NULL; | |
| 73 int b64_input = 0; | |
| 74 char key[MAX_KEY_LEN]; | |
| 75 struct bpf_program fp; | |
| 76 char filter_exp[MAX_FILTER] = ""; | |
| 77 rtp_decoder_t dec; | |
| 78 srtp_policy_t policy; | |
| 79 err_status_t status; | |
| 80 int len; | |
| 81 int expected_len; | |
| 82 int do_list_mods = 0; | |
| 83 | |
| 84 fprintf(stderr, "Using %s [0x%x]\n", srtp_get_version_string(), srtp_get_versi
on()); | |
| 85 | |
| 86 /* initialize srtp library */ | |
| 87 status = srtp_init(); | |
| 88 if (status) { | |
| 89 fprintf(stderr, "error: srtp initialization failed with error code %d\n", st
atus); | |
| 90 exit(1); | |
| 91 } | |
| 92 | |
| 93 /* check args */ | |
| 94 while (1) { | |
| 95 c = getopt_s(argc, argv, "b:k:gt:ae:ld:f:"); | |
| 96 if (c == -1) { | |
| 97 break; | |
| 98 } | |
| 99 switch (c) { | |
| 100 case 'b': | |
| 101 b64_input = 1; | |
| 102 /* fall thru */ | |
| 103 case 'k': | |
| 104 input_key = optarg_s; | |
| 105 break; | |
| 106 case 'e': | |
| 107 key_size = atoi(optarg_s); | |
| 108 if (key_size != 128 && key_size != 256) { | |
| 109 fprintf(stderr, "error: encryption key size must be 128 or 256 (%d)\n",
key_size); | |
| 110 exit(1); | |
| 111 } | |
| 112 input_key = malloc(key_size); | |
| 113 sec_servs |= sec_serv_conf; | |
| 114 break; | |
| 115 case 't': | |
| 116 tag_size = atoi(optarg_s); | |
| 117 if (tag_size != 8 && tag_size != 16) { | |
| 118 fprintf(stderr, "error: GCM tag size must be 8 or 16 (%d)\n", tag_size); | |
| 119 //exit(1); | |
| 120 } | |
| 121 break; | |
| 122 case 'a': | |
| 123 sec_servs |= sec_serv_auth; | |
| 124 break; | |
| 125 case 'g': | |
| 126 gcm_on = 1; | |
| 127 sec_servs |= sec_serv_auth; | |
| 128 break; | |
| 129 case 'd': | |
| 130 status = crypto_kernel_set_debug_module(optarg_s, 1); | |
| 131 if (status) { | |
| 132 fprintf(stderr, "error: set debug module (%s) failed\n", optarg_s); | |
| 133 exit(1); | |
| 134 } | |
| 135 break; | |
| 136 case 'f': | |
| 137 if(strlen(optarg_s) > MAX_FILTER){ | |
| 138 fprintf(stderr, "error: filter bigger than %d characters\n", MAX_FILTER)
; | |
| 139 exit(1); | |
| 140 } | |
| 141 fprintf(stderr, "Setting filter as %s\n", optarg_s); | |
| 142 strcpy(filter_exp, optarg_s); | |
| 143 break; | |
| 144 case 'l': | |
| 145 do_list_mods = 1; | |
| 146 break; | |
| 147 default: | |
| 148 usage(argv[0]); | |
| 149 } | |
| 150 } | |
| 151 | |
| 152 if (do_list_mods) { | |
| 153 status = crypto_kernel_list_debug_modules(); | |
| 154 if (status) { | |
| 155 fprintf(stderr, "error: list of debug modules failed\n"); | |
| 156 exit(1); | |
| 157 } | |
| 158 return 0; | |
| 159 } | |
| 160 | |
| 161 if ((sec_servs && !input_key) || (!sec_servs && input_key)) { | |
| 162 /* | |
| 163 * a key must be provided if and only if security services have | |
| 164 * been requested | |
| 165 */ | |
| 166 if(input_key == NULL){ | |
| 167 fprintf(stderr, "key not provided\n"); | |
| 168 } | |
| 169 if(!sec_servs){ | |
| 170 fprintf(stderr, "no secservs\n"); | |
| 171 } | |
| 172 fprintf(stderr, "provided\n"); | |
| 173 usage(argv[0]); | |
| 174 } | |
| 175 | |
| 176 | |
| 177 | |
| 178 /* report security services selected on the command line */ | |
| 179 fprintf(stderr, "security services: "); | |
| 180 if (sec_servs & sec_serv_conf) | |
| 181 fprintf(stderr, "confidentiality "); | |
| 182 if (sec_servs & sec_serv_auth) | |
| 183 fprintf(stderr, "message authentication"); | |
| 184 if (sec_servs == sec_serv_none) | |
| 185 fprintf(stderr, "none"); | |
| 186 fprintf(stderr, "\n"); | |
| 187 | |
| 188 /* set up the srtp policy and master key */ | |
| 189 memset(&policy, 0, sizeof(policy)); | |
| 190 if (sec_servs) { | |
| 191 /* | |
| 192 * create policy structure, using the default mechanisms but | |
| 193 * with only the security services requested on the command line, | |
| 194 * using the right SSRC value | |
| 195 */ | |
| 196 switch (sec_servs) { | |
| 197 case sec_serv_conf_and_auth: | |
| 198 if (gcm_on) { | |
| 199 #ifdef OPENSSL | |
| 200 switch (key_size) { | |
| 201 case 128: | |
| 202 crypto_policy_set_aes_gcm_128_8_auth(&policy.rtp); | |
| 203 crypto_policy_set_aes_gcm_128_8_auth(&policy.rtcp); | |
| 204 break; | |
| 205 case 256: | |
| 206 crypto_policy_set_aes_gcm_256_8_auth(&policy.rtp); | |
| 207 crypto_policy_set_aes_gcm_256_8_auth(&policy.rtcp); | |
| 208 break; | |
| 209 } | |
| 210 #else | |
| 211 fprintf(stderr, "error: GCM mode only supported when using the OpenSSL c
rypto engine.\n"); | |
| 212 return 0; | |
| 213 #endif | |
| 214 } else { | |
| 215 switch (key_size) { | |
| 216 case 128: | |
| 217 crypto_policy_set_rtp_default(&policy.rtp); | |
| 218 crypto_policy_set_rtcp_default(&policy.rtcp); | |
| 219 break; | |
| 220 case 256: | |
| 221 crypto_policy_set_aes_cm_256_hmac_sha1_80(&policy.rtp); | |
| 222 crypto_policy_set_rtcp_default(&policy.rtcp); | |
| 223 break; | |
| 224 } | |
| 225 } | |
| 226 break; | |
| 227 case sec_serv_conf: | |
| 228 if (gcm_on) { | |
| 229 fprintf(stderr, "error: GCM mode must always be used with auth enabled
\n"); | |
| 230 return -1; | |
| 231 } else { | |
| 232 switch (key_size) { | |
| 233 case 128: | |
| 234 crypto_policy_set_aes_cm_128_null_auth(&policy.rtp); | |
| 235 crypto_policy_set_rtcp_default(&policy.rtcp); | |
| 236 break; | |
| 237 case 256: | |
| 238 crypto_policy_set_aes_cm_256_null_auth(&policy.rtp); | |
| 239 crypto_policy_set_rtcp_default(&policy.rtcp); | |
| 240 break; | |
| 241 } | |
| 242 } | |
| 243 break; | |
| 244 case sec_serv_auth: | |
| 245 if (gcm_on) { | |
| 246 #ifdef OPENSSL | |
| 247 switch (key_size) { | |
| 248 case 128: | |
| 249 crypto_policy_set_aes_gcm_128_8_only_auth(&policy.rtp); | |
| 250 crypto_policy_set_aes_gcm_128_8_only_auth(&policy.rtcp); | |
| 251 break; | |
| 252 case 256: | |
| 253 crypto_policy_set_aes_gcm_256_8_only_auth(&policy.rtp); | |
| 254 crypto_policy_set_aes_gcm_256_8_only_auth(&policy.rtcp); | |
| 255 break; | |
| 256 } | |
| 257 #else | |
| 258 printf("error: GCM mode only supported when using the OpenSSL crypto eng
ine.\n"); | |
| 259 return 0; | |
| 260 #endif | |
| 261 } else { | |
| 262 crypto_policy_set_null_cipher_hmac_sha1_80(&policy.rtp); | |
| 263 crypto_policy_set_rtcp_default(&policy.rtcp); | |
| 264 } | |
| 265 break; | |
| 266 default: | |
| 267 fprintf(stderr, "error: unknown security service requested\n"); | |
| 268 return -1; | |
| 269 } | |
| 270 | |
| 271 policy.key = (uint8_t *) key; | |
| 272 policy.ekt = NULL; | |
| 273 policy.next = NULL; | |
| 274 policy.window_size = 128; | |
| 275 policy.allow_repeat_tx = 0; | |
| 276 policy.rtp.sec_serv = sec_servs; | |
| 277 policy.rtcp.sec_serv = sec_servs; //sec_serv_none; /* we don't do RTCP anyw
ay */ | |
| 278 fprintf(stderr, "setting tag len %d\n", tag_size); | |
| 279 policy.rtp.auth_tag_len = tag_size; | |
| 280 | |
| 281 if (gcm_on && tag_size != 8) { | |
| 282 fprintf(stderr, "setted tag len %d\n", tag_size); | |
| 283 policy.rtp.auth_tag_len = tag_size; | |
| 284 } | |
| 285 | |
| 286 /* | |
| 287 * read key from hexadecimal or base64 on command line into an octet string | |
| 288 */ | |
| 289 if (b64_input) { | |
| 290 int pad; | |
| 291 expected_len = policy.rtp.cipher_key_len*4/3; | |
| 292 len = base64_string_to_octet_string(key, &pad, input_key, expected_len); | |
| 293 if (pad != 0) { | |
| 294 fprintf(stderr, "error: padding in base64 unexpected\n"); | |
| 295 exit(1); | |
| 296 } | |
| 297 } else { | |
| 298 expected_len = policy.rtp.cipher_key_len*2; | |
| 299 len = hex_string_to_octet_string(key, input_key, expected_len); | |
| 300 } | |
| 301 /* check that hex string is the right length */ | |
| 302 if (len < expected_len) { | |
| 303 fprintf(stderr, | |
| 304 "error: too few digits in key/salt " | |
| 305 "(should be %d digits, found %d)\n", | |
| 306 expected_len, len); | |
| 307 exit(1); | |
| 308 } | |
| 309 if (strlen(input_key) > policy.rtp.cipher_key_len*2) { | |
| 310 fprintf(stderr, | |
| 311 "error: too many digits in key/salt " | |
| 312 "(should be %d hexadecimal digits, found %u)\n", | |
| 313 policy.rtp.cipher_key_len*2, (unsigned)strlen(input_key)); | |
| 314 exit(1); | |
| 315 } | |
| 316 | |
| 317 fprintf(stderr, "set master key/salt to %s/", octet_string_hex_string(key, 1
6)); | |
| 318 fprintf(stderr, "%s\n", octet_string_hex_string(key+16, 14)); | |
| 319 | |
| 320 } else { | |
| 321 /* | |
| 322 * we're not providing security services, so set the policy to the | |
| 323 * null policy | |
| 324 * | |
| 325 * Note that this policy does not conform to the SRTP | |
| 326 * specification, since RTCP authentication is required. However, | |
| 327 * the effect of this policy is to turn off SRTP, so that this | |
| 328 * application is now a vanilla-flavored RTP application. | |
| 329 */ | |
| 330 policy.key = (uint8_t *)key; | |
| 331 policy.ssrc.type = ssrc_specific; | |
| 332 policy.rtp.cipher_type = NULL_CIPHER; | |
| 333 policy.rtp.cipher_key_len = 0; | |
| 334 policy.rtp.auth_type = NULL_AUTH; | |
| 335 policy.rtp.auth_key_len = 0; | |
| 336 policy.rtp.auth_tag_len = 0; | |
| 337 policy.rtp.sec_serv = sec_serv_none; | |
| 338 policy.rtcp.cipher_type = NULL_CIPHER; | |
| 339 policy.rtcp.cipher_key_len = 0; | |
| 340 policy.rtcp.auth_type = NULL_AUTH; | |
| 341 policy.rtcp.auth_key_len = 0; | |
| 342 policy.rtcp.auth_tag_len = 0; | |
| 343 policy.rtcp.sec_serv = sec_serv_none; | |
| 344 policy.window_size = 0; | |
| 345 policy.allow_repeat_tx = 0; | |
| 346 policy.ekt = NULL; | |
| 347 policy.next = NULL; | |
| 348 } | |
| 349 | |
| 350 pcap_handle = pcap_open_offline("-", errbuf); | |
| 351 | |
| 352 if (!pcap_handle) { | |
| 353 fprintf(stderr, "libpcap failed to open file '%s'\n", errbuf); | |
| 354 exit(1); | |
| 355 } | |
| 356 assert(pcap_handle != NULL); | |
| 357 if ((pcap_compile(pcap_handle, &fp, filter_exp, 1, pcap_net)) == -1){ | |
| 358 fprintf(stderr, "Couldn't parse filter %s: %s\n", filter_exp, | |
| 359 pcap_geterr(pcap_handle)); | |
| 360 return (2); | |
| 361 } | |
| 362 if (pcap_setfilter(pcap_handle, &fp) == -1){ | |
| 363 fprintf(stderr, "couldn't install filter %s: %s\n", filter_exp, | |
| 364 pcap_geterr(pcap_handle)); | |
| 365 return (2); | |
| 366 } | |
| 367 dec = rtp_decoder_alloc(); | |
| 368 if (dec == NULL) { | |
| 369 fprintf(stderr, "error: malloc() failed\n"); | |
| 370 exit(1); | |
| 371 } | |
| 372 fprintf(stderr, "Starting decoder\n"); | |
| 373 rtp_decoder_init(dec, policy); | |
| 374 | |
| 375 pcap_loop(pcap_handle, 0, rtp_decoder_handle_pkt, (u_char *)dec); | |
| 376 | |
| 377 rtp_decoder_deinit_srtp(dec); | |
| 378 rtp_decoder_dealloc(dec); | |
| 379 | |
| 380 status = srtp_shutdown(); | |
| 381 if (status) { | |
| 382 fprintf(stderr, "error: srtp shutdown failed with error code %d\n", status); | |
| 383 exit(1); | |
| 384 } | |
| 385 | |
| 386 return 0; | |
| 387 } | |
| 388 | |
| 389 | |
| 390 void | |
| 391 usage(char *string) { | |
| 392 | |
| 393 fprintf(stderr, "usage: %s [-d <debug>]* [[-k][-b] <key> [-a][-e]]\n" | |
| 394 "or %s -l\n" | |
| 395 "where -a use message authentication\n" | |
| 396 " -e <key size> use encryption (use 128 or 256 for key size)\n" | |
| 397 " -g Use AES-GCM mode (must be used with -e)\n" | |
| 398 " -t <tag size> Tag size to use in GCM mode (use 8 or 16)\n" | |
| 399 " -k <key> sets the srtp master key given in hexadecimal\n" | |
| 400 " -b <key> sets the srtp master key given in base64\n" | |
| 401 " -l list debug modules\n" | |
| 402 " -f \"<pcap filter>\" to filter only the desired SRTP packets\n" | |
| 403 " -d <debug> turn on debugging for module <debug>\n", | |
| 404 string, string); | |
| 405 exit(1); | |
| 406 | |
| 407 } | |
| 408 | |
| 409 rtp_decoder_t | |
| 410 rtp_decoder_alloc(void) { | |
| 411 return (rtp_decoder_t)malloc(sizeof(rtp_decoder_ctx_t)); | |
| 412 } | |
| 413 | |
| 414 void | |
| 415 rtp_decoder_dealloc(rtp_decoder_t rtp_ctx) { | |
| 416 free(rtp_ctx); | |
| 417 } | |
| 418 | |
| 419 err_status_t | |
| 420 rtp_decoder_init_srtp(rtp_decoder_t decoder, unsigned int ssrc) { | |
| 421 decoder->policy.ssrc.value = htonl(ssrc); | |
| 422 return srtp_create(&decoder->srtp_ctx, &decoder->policy); | |
| 423 } | |
| 424 | |
| 425 int | |
| 426 rtp_decoder_deinit_srtp(rtp_decoder_t decoder) { | |
| 427 return srtp_dealloc(decoder->srtp_ctx); | |
| 428 } | |
| 429 | |
| 430 int | |
| 431 rtp_decoder_init(rtp_decoder_t dcdr, srtp_policy_t policy){ | |
| 432 dcdr->rtp_offset = DEFAULT_RTP_OFFSET; | |
| 433 dcdr->srtp_ctx = NULL; | |
| 434 dcdr->start_tv.tv_usec = 0; | |
| 435 dcdr->start_tv.tv_sec = 0; | |
| 436 dcdr->frame_nr = -1; | |
| 437 dcdr->policy = policy; | |
| 438 dcdr->policy.ssrc.type = ssrc_specific; | |
| 439 return 0; | |
| 440 } | |
| 441 | |
| 442 /* | |
| 443 * decodes key as base64 | |
| 444 */ | |
| 445 | |
| 446 void hexdump(const void *ptr, size_t size) { | |
| 447 int i, j; | |
| 448 const unsigned char *cptr = ptr; | |
| 449 | |
| 450 for (i = 0; i < size; i += 16) { | |
| 451 fprintf(stdout, "%04x ", i); | |
| 452 for (j = 0; j < 16 && i+j < size; j++) { | |
| 453 fprintf(stdout, "%02x ", cptr[i+j]); | |
| 454 } | |
| 455 fprintf(stdout, "\n"); | |
| 456 } | |
| 457 } | |
| 458 | |
| 459 void | |
| 460 rtp_decoder_handle_pkt(u_char *arg, const struct pcap_pkthdr *hdr, | |
| 461 const u_char *bytes){ | |
| 462 rtp_decoder_t dcdr = (rtp_decoder_t)arg; | |
| 463 int pktsize; | |
| 464 struct timeval delta; | |
| 465 int octets_recvd; | |
| 466 err_status_t status; | |
| 467 dcdr->frame_nr++; | |
| 468 | |
| 469 if (dcdr->start_tv.tv_sec == 0 && dcdr->start_tv.tv_sec == 0) { | |
| 470 dcdr->start_tv = hdr->ts; | |
| 471 } | |
| 472 | |
| 473 if (hdr->caplen < dcdr->rtp_offset) { | |
| 474 return; | |
| 475 } | |
| 476 const void *rtp_packet = bytes + dcdr->rtp_offset; | |
| 477 | |
| 478 memcpy((void *)&dcdr->message, rtp_packet, hdr->caplen - dcdr->rtp_offset); | |
| 479 pktsize = hdr->caplen - dcdr->rtp_offset; | |
| 480 octets_recvd = pktsize; | |
| 481 | |
| 482 if (octets_recvd == -1) { | |
| 483 return; | |
| 484 } | |
| 485 | |
| 486 /* verify rtp header */ | |
| 487 if (dcdr->message.header.version != 2) { | |
| 488 return; //return -1; | |
| 489 } | |
| 490 if(dcdr->srtp_ctx == NULL){ | |
| 491 status = rtp_decoder_init_srtp(dcdr, dcdr->message.header.ssrc); | |
| 492 if (status) { | |
| 493 exit(1); | |
| 494 } | |
| 495 } | |
| 496 if(dcdr->srtp_ctx != NULL){ | |
| 497 } | |
| 498 status = srtp_unprotect(dcdr->srtp_ctx, &dcdr->message, &octets_recvd); | |
| 499 if (status){ | |
| 500 return; | |
| 501 } | |
| 502 timersub(&hdr->ts, &dcdr->start_tv, &delta); | |
| 503 fprintf(stdout, "%02ld:%02ld.%06lu\n", delta.tv_sec/60, delta.tv_sec%60, delta
.tv_usec); | |
| 504 hexdump(&dcdr->message, pktsize); | |
| 505 } | |
| 506 | |
| 507 void rtp_print_error(err_status_t status, char *message){ | |
| 508 fprintf(stderr, | |
| 509 "error: %s %d%s\n", message, status, | |
| 510 status == err_status_replay_fail ? " (replay check failed)" : | |
| 511 status == err_status_bad_param ? " (bad param)" : | |
| 512 status == err_status_no_ctx ? " (no context)" : | |
| 513 status == err_status_cipher_fail ? " (cipher failed)" : | |
| 514 status == err_status_key_expired ? " (key expired)" : | |
| 515 status == err_status_auth_fail ? " (auth check failed)" : ""); | |
| 516 } | |
| OLD | NEW |
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Chromium Code Reviews
Issue 2344973002:
Update libsrtp to version 2.0 (Closed)
