Revert of Change WebRTC SslCipher to be exposed as number only.

talk/session/media/srtpfilter.cc

 /*
  * libjingle
  * Copyright 2009 Google Inc.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are met:
  *
  *  1. Redistributions of source code must retain the above copyright notice,
  *     this list of conditions and the following disclaimer.
  *  2. Redistributions in binary form must reproduce the above copyright notice,
@@ skipping 55 matching lines @@
 extern "C" debug_module_t mod_aes_icm;
 extern "C" debug_module_t mod_aes_hmac;
 #endif
 #else
 // SrtpFilter needs that constant.
 #define SRTP_MASTER_KEY_LEN 30
 #endif  // HAVE_SRTP
 
 namespace cricket {
 
+const char CS_AES_CM_128_HMAC_SHA1_80[] = "AES_CM_128_HMAC_SHA1_80";
+const char CS_AES_CM_128_HMAC_SHA1_32[] = "AES_CM_128_HMAC_SHA1_32";
 const int SRTP_MASTER_KEY_BASE64_LEN = SRTP_MASTER_KEY_LEN * 4 / 3;
 const int SRTP_MASTER_KEY_KEY_LEN = 16;
 const int SRTP_MASTER_KEY_SALT_LEN = 14;
 
 #ifndef HAVE_SRTP
 
 // This helper function is used on systems that don't (yet) have SRTP,
 // to log that the functions that require it won't do anything.
 namespace {
 bool SrtpNotAvailable(const char *func) {
@@ skipping 568 matching lines @@
     return false;
   }
 
   if (!Init()) {
     return false;
   }
 
   srtp_policy_t policy;
   memset(&policy, 0, sizeof(policy));
 
-  if (cs == rtc::CS_AES_CM_128_HMAC_SHA1_80) {
+  if (cs == CS_AES_CM_128_HMAC_SHA1_80) {
     crypto_policy_set_aes_cm_128_hmac_sha1_80(&policy.rtp);
     crypto_policy_set_aes_cm_128_hmac_sha1_80(&policy.rtcp);
-  } else if (cs == rtc::CS_AES_CM_128_HMAC_SHA1_32) {
+  } else if (cs == CS_AES_CM_128_HMAC_SHA1_32) {
     crypto_policy_set_aes_cm_128_hmac_sha1_32(&policy.rtp);   // rtp is 32,
     crypto_policy_set_aes_cm_128_hmac_sha1_80(&policy.rtcp);  // rtcp still 80
   } else {
     LOG(LS_WARNING) << "Failed to create SRTP session: unsupported"
                     << " cipher_suite " << cs.c_str();
     return false;
   }
 
   if (!key || len != SRTP_MASTER_KEY_LEN) {
     LOG(LS_WARNING) << "Failed to create SRTP session: invalid key";
@@ skipping 250 matching lines @@
   SrtpNotAvailable(__FUNCTION__);
 }
 
 void SrtpStat::HandleSrtpResult(const SrtpStat::FailureKey& key) {
   SrtpNotAvailable(__FUNCTION__);
 }
 
 #endif  // HAVE_SRTP
 
 }  // namespace cricket