102     bool WriteHeader(const PairingPacketHeader* header, std::string_view payload);
106     bool ReadHeader(PairingPacketHeader* header);
108     void CreateHeader(PairingPacketHeader* header, adb::proto::PairingPacket::Type type,
204 bool PairingConnectionCtx::WriteHeader(const PairingPacketHeader* header,  in WriteHeader()  argument
206     PairingPacketHeader network_header = *header;  in WriteHeader()
218 bool PairingConnectionCtx::ReadHeader(PairingPacketHeader* header) {  in ReadHeader()  argument
226     header->version = *p;  in ReadHeader()
228     if (header->version < kMinSupportedKeyHeaderVersion ||  in ReadHeader()
229         header->version > kMaxSupportedKeyHeaderVersion) {  in ReadHeader()
231                    << " them=" << header->version << ")";  in ReadHeader()
239     header->type = *p;  in ReadHeader()
242     header->payload = ntohl(*(reinterpret_cast<uint32_t*>(p)));  in ReadHeader()
243     if (header->payload == 0 || header->payload > kMaxPayloadSize) {  in ReadHeader()
244         LOG(ERROR) << "header payload not within a safe payload size (size=" << header->payload  in ReadHeader()
252 void PairingConnectionCtx::CreateHeader(PairingPacketHeader* header,  in CreateHeader()  argument
255     header->version = kCurrentKeyHeaderVersion;  in CreateHeader()
257     header->type = type8;  in CreateHeader()
258     header->payload = payload_size;  in CreateHeader()
300     PairingPacketHeader header;  in DoExchangeMsgs()  local
301     CreateHeader(&header, adb::proto::PairingPacket::SPAKE2_MSG, payload);  in DoExchangeMsgs()
304     if (!WriteHeader(&header,  in DoExchangeMsgs()
311     if (!ReadHeader(&header)) {  in DoExchangeMsgs()
315     if (!CheckHeaderType(adb::proto::PairingPacket::SPAKE2_MSG, header.type)) {  in DoExchangeMsgs()
321     auto their_msg = tls_->ReadFully(header.payload);  in DoExchangeMsgs()
365     PairingPacketHeader header;  in DoExchangePeerInfo()  local
366     if (!ReadHeader(&header)) {  in DoExchangePeerInfo()
371     if (!CheckHeaderType(adb::proto::PairingPacket::PEER_INFO, header.type)) {  in DoExchangePeerInfo()
376     buf = tls_->ReadFully(header.payload);  in DoExchangePeerInfo()