void RTMFPReceiving::run() {
if(!pPacket) {
ERROR("RTMFPReceiving on session %u with a null packet",id);
return;
}
if(!RTMFP::Decode(decoder,*pPacket)) {
ERROR("Decrypt error on session %u",id);
return;
}
waitHandle();
}
bool RTMFPCookieComputing::run(Exception& ex) {
// First execution is for the DH computing if pDH == null, else it's to compute Diffie-Hellman keys
if (!_diffieHellman.initialized())
return _diffieHellman.initialize(ex);
// Compute Diffie-Hellman secret
_diffieHellman.computeSecret(ex,initiatorKey.data(),initiatorKey.size(),_sharedSecret);
if (ex)
return false;
if (packet.size() > 0) {
ex.set(Exception::CRYPTO, "RTMFPCookieComputing already executed");
return false;
}
// string hex;
// DEBUG("Shared Secret : ", Util::FormatHex(_sharedSecret.data(), _sharedSecret.size(), hex));
// It's our key public part
int size = _diffieHellman.publicKeySize(ex);
if (size<0) {
if (!ex)
ex.set(Exception::CRYPTO, "DH public key not initialized");
return false;
}
packet.write7BitLongValue(size+11);
UInt32 noncePos = packet.size();
packet.writeRaw(EXPAND_DATA_SIZE("\x03\x1A\x00\x00\x02\x1E\x00"));
UInt8 byte2 = DH_KEY_SIZE-size;
if(byte2>2) {
CRITIC("Generation DH key with less of 126 bytes!");
byte2=2;
}
packet.write8(0x81);
packet.write8(2-byte2);
packet.write8(0x0D);
packet.write8(0x02);
if (size>2000)
ERROR("RTMFP diffie hellman public key with an error size key of ",size) // TODO remove this log one time fixed!
_diffieHellman.readPublicKey(ex,packet.buffer(size));
packet.write8(0x58);
// Compute Keys
RTMFP::ComputeAsymetricKeys(_sharedSecret,initiatorNonce.data(),initiatorNonce.size(),packet.data()+noncePos,size+11,decryptKey,encryptKey);
waitHandle();
return true;
}
void run() {
setPriority(Thread::PRIO_LOW);
do {
waitHandle();
} while(sleep(2000)!=STOP);
}
