An eavesdropper listening in catches only noise, since the signal is hidden below the noise level & it will take years for the eavesdropper to break the encryption key.
By Chana Ya’ar
Two Israeli university professors and a PhD candidate have created a concept for “stealthy fiber optic communications.”
Developed by Ben Gurion University of the Negev’s Prof. Dan Sadot and Prof. Ze’ev Zalevsky of Bar Ilan University together with PhD student Tomer Yeminy, the new encryption method enables stealthy transmission of any optical communications signal.
Currently in the patenting process, the new encryption method spreads the transmission below the noise level in both time and frequency domains. Continue Reading »