don't include remote ident hash to SYN packet if no signature

libi2pd/Streaming.cpp

@@ -955,11 +955,19 @@ namespace stream
 			if (m_Status == eStreamStatusNew && !m_SendStreamID && m_RemoteIdentity)
 			{
 				// first SYN packet
+				if (m_DontSign)
+				{
+					// remote ident is useless without signature, don't include it
+					packet[size] = 0; size++; // NACK count
+				}
+				else
+				{	
 					packet[size] = 8;
 					size++; // NACK count
 					memcpy (packet + size, m_RemoteIdentity->GetIdentHash (), 32);
 					size += 32;
 				}	
+			}
 			else
 			{	
 				packet[size] = 0;