public/rtphone
2
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

- improved SRTP support

Browse Source
This commit is contained in:
Dmytro Bogovych
2025-08-25 17:30:28 +03:00
parent e6cb2a22f7
commit d4a47807d8
9 changed files with 267 additions and 105 deletions
Download Patch File Download Diff File Expand all files Collapse all files

26
src/engine/endpoint/EP_AudioProvider.cpp
View File

@@ -303,26 +303,12 @@ std::string AudioProvider::createCryptoAttribute(SrtpSuite suite)
if (!mActiveStream)
return "";
// Use tag 1 - it is ok, as we use only single crypto attribute
int srtpTag = 1;
// Print key to base64 string
PByteBuffer keyBuffer = mActiveStream->srtp().outgoingKey(suite).first;
resip::Data d(keyBuffer->data(), keyBuffer->size());
resip::Data keyText = d.base64encode();
// Create "crypto" attribute value
char buffer[512];
const char* suiteName = NULL;
switch (suite)
{
case SRTP_AES_128_AUTH_80: suiteName = SRTP_SUITE_NAME_1; break;
case SRTP_AES_256_AUTH_80: suiteName = SRTP_SUITE_NAME_2; break;
default: assert(0);
}
sprintf(buffer, "%d %s inline:%s", srtpTag, suiteName, keyText.c_str());
return buffer;
return std::format("{} {} inline:{}", 1, toString(suite), keyText.c_str());
}
SrtpSuite AudioProvider::processCryptoAttribute(const resip::Data& value, ByteBuffer& key)
@@ -343,15 +329,7 @@ SrtpSuite AudioProvider::processCryptoAttribute(const resip::Data& value, ByteBu
resip::Data rawkey = keyText.base64decode();
key = ByteBuffer(rawkey.c_str(), rawkey.size());
// Open srtp
SrtpSuite result = SRTP_NONE;
if (strcmp(suite, SRTP_SUITE_NAME_1) == 0)
result = SRTP_AES_128_AUTH_80;
else
if (strcmp(suite, SRTP_SUITE_NAME_2) == 0)
result = SRTP_AES_256_AUTH_80;
return result;
return toSrtpSuite(suite);
}
void AudioProvider::findRfc2833(const resip::SdpContents::Session::Medium::CodecContainer& codecs)