@inproceedings{ccs/WangRLXCWZ15, author = {Qian Wang and Kui Ren and Guancheng Li and Chenbo Xia and Xiaobing Chen and Zhibo Wang and Qin Zou}, title = {Walls Have Ears! Opportunistically Communicating Secret Messages Over the Wiretap Channel: from Theory to Practice}, booktitle = {{ACM} {SIGSAC} Conference on Computer and Communications Security, Denver, CO, USA, October 12-16, 2015}, pages = {376--387}, year = {2015} }