1. Covert channels in ssl session negotiation headers;merrill;Proceedings of the International Conference on Security and Management (SAM) The Steering Committee of The World Congress in Computer Science Computer,0
2. IP covert timing channels
3. Covert channels in trans-port layer security;heinz;Proceedings of the European Interdisciplinary Cybersecurity Conference,0
4. Keyboards and covert channels;shah;USENIX Security Symposium,0